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Upgrade versions of vendored libs

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This commit is contained in:
eleksir
2024-08-03 21:26:21 +03:00
parent 9bac4fb257
commit b6f8cf9155
812 changed files with 56387 additions and 31548 deletions
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26
vendor/github.com/prometheus/client_golang/prometheus/counter.go generated vendored
View File

@@ -20,6 +20,7 @@ import (
"time"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/types/known/timestamppb"
)
// Counter is a Metric that represents a single numerical value that only ever
@@ -66,7 +67,7 @@ type CounterVecOpts struct {
CounterOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Contraint
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
@@ -90,8 +91,12 @@ func NewCounter(opts CounterOpts) Counter {
nil,
opts.ConstLabels,
)
result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: time.Now}
if opts.now == nil {
opts.now = time.Now
}
result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: opts.now}
result.init(result) // Init self-collection.
result.createdTs = timestamppb.New(opts.now())
return result
}
@@ -106,10 +111,12 @@ type counter struct {
selfCollector
desc *Desc
createdTs *timestamppb.Timestamp
labelPairs []*dto.LabelPair
exemplar atomic.Value // Containing nil or a *dto.Exemplar.
now func() time.Time // To mock out time.Now() for testing.
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
func (c *counter) Desc() *Desc {
@@ -159,8 +166,7 @@ func (c *counter) Write(out *dto.Metric) error {
exemplar = e.(*dto.Exemplar)
}
val := c.get()
return populateMetric(CounterValue, val, c.labelPairs, exemplar, out)
return populateMetric(CounterValue, val, c.labelPairs, exemplar, out, c.createdTs)
}
func (c *counter) updateExemplar(v float64, l Labels) {
@@ -200,13 +206,17 @@ func (v2) NewCounterVec(opts CounterVecOpts) *CounterVec {
opts.VariableLabels,
opts.ConstLabels,
)
if opts.now == nil {
opts.now = time.Now
}
return &CounterVec{
MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
if len(lvs) != len(desc.variableLabels) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), lvs))
if len(lvs) != len(desc.variableLabels.names) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
}
result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: time.Now}
result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: opts.now}
result.init(result) // Init self-collection.
result.createdTs = timestamppb.New(opts.now())
return result
}),
}

32
vendor/github.com/prometheus/client_golang/prometheus/desc.go generated vendored
View File

@@ -18,12 +18,12 @@ import (
"sort"
"strings"
"github.com/prometheus/client_golang/prometheus/internal"
"github.com/cespare/xxhash/v2"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/common/model"
"google.golang.org/protobuf/proto"
"github.com/prometheus/client_golang/prometheus/internal"
)
// Desc is the descriptor used by every Prometheus Metric. It is essentially
@@ -52,7 +52,7 @@ type Desc struct {
constLabelPairs []*dto.LabelPair
// variableLabels contains names of labels and normalization function for
// which the metric maintains variable values.
variableLabels ConstrainedLabels
variableLabels *compiledLabels
// id is a hash of the values of the ConstLabels and fqName. This
// must be unique among all registered descriptors and can therefore be
// used as an identifier of the descriptor.
@@ -93,7 +93,7 @@ func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, const
d := &Desc{
fqName: fqName,
help: help,
variableLabels: variableLabels.constrainedLabels(),
variableLabels: variableLabels.compile(),
}
if !model.IsValidMetricName(model.LabelValue(fqName)) {
d.err = fmt.Errorf("%q is not a valid metric name", fqName)
@@ -103,7 +103,7 @@ func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, const
// their sorted label names) plus the fqName (at position 0).
labelValues := make([]string, 1, len(constLabels)+1)
labelValues[0] = fqName
labelNames := make([]string, 0, len(constLabels)+len(d.variableLabels))
labelNames := make([]string, 0, len(constLabels)+len(d.variableLabels.names))
labelNameSet := map[string]struct{}{}
// First add only the const label names and sort them...
for labelName := range constLabels {
@@ -128,13 +128,13 @@ func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, const
// Now add the variable label names, but prefix them with something that
// cannot be in a regular label name. That prevents matching the label
// dimension with a different mix between preset and variable labels.
for _, label := range d.variableLabels {
if !checkLabelName(label.Name) {
d.err = fmt.Errorf("%q is not a valid label name for metric %q", label.Name, fqName)
for _, label := range d.variableLabels.names {
if !checkLabelName(label) {
d.err = fmt.Errorf("%q is not a valid label name for metric %q", label, fqName)
return d
}
labelNames = append(labelNames, "$"+label.Name)
labelNameSet[label.Name] = struct{}{}
labelNames = append(labelNames, "$"+label)
labelNameSet[label] = struct{}{}
}
if len(labelNames) != len(labelNameSet) {
d.err = fmt.Errorf("duplicate label names in constant and variable labels for metric %q", fqName)
@@ -189,11 +189,19 @@ func (d *Desc) String() string {
fmt.Sprintf("%s=%q", lp.GetName(), lp.GetValue()),
)
}
vlStrings := make([]string, 0, len(d.variableLabels.names))
for _, vl := range d.variableLabels.names {
if fn, ok := d.variableLabels.labelConstraints[vl]; ok && fn != nil {
vlStrings = append(vlStrings, fmt.Sprintf("c(%s)", vl))
} else {
vlStrings = append(vlStrings, vl)
}
}
return fmt.Sprintf(
"Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: %v}",
"Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: {%s}}",
d.fqName,
d.help,
strings.Join(lpStrings, ","),
d.variableLabels,
strings.Join(vlStrings, ","),
)
}

2
vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go generated vendored
View File

@@ -48,7 +48,7 @@ func (e *expvarCollector) Collect(ch chan<- Metric) {
continue
}
var v interface{}
labels := make([]string, len(desc.variableLabels))
labels := make([]string, len(desc.variableLabels.names))
if err := json.Unmarshal([]byte(expVar.String()), &v); err != nil {
ch <- NewInvalidMetric(desc, err)
continue

8
vendor/github.com/prometheus/client_golang/prometheus/gauge.go generated vendored
View File

@@ -62,7 +62,7 @@ type GaugeVecOpts struct {
GaugeOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Contraint
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
@@ -135,7 +135,7 @@ func (g *gauge) Sub(val float64) {
func (g *gauge) Write(out *dto.Metric) error {
val := math.Float64frombits(atomic.LoadUint64(&g.valBits))
return populateMetric(GaugeValue, val, g.labelPairs, nil, out)
return populateMetric(GaugeValue, val, g.labelPairs, nil, out, nil)
}
// GaugeVec is a Collector that bundles a set of Gauges that all share the same
@@ -166,8 +166,8 @@ func (v2) NewGaugeVec(opts GaugeVecOpts) *GaugeVec {
)
return &GaugeVec{
MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
if len(lvs) != len(desc.variableLabels) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), lvs))
if len(lvs) != len(desc.variableLabels.names) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
}
result := &gauge{desc: desc, labelPairs: MakeLabelPairs(desc, lvs)}
result.init(result) // Init self-collection.

176
vendor/github.com/prometheus/client_golang/prometheus/histogram.go generated vendored
View File

@@ -25,6 +25,7 @@ import (
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/timestamppb"
)
// nativeHistogramBounds for the frac of observed values. Only relevant for
@@ -391,7 +392,7 @@ type HistogramOpts struct {
// zero, it is replaced by default buckets. The default buckets are
// DefBuckets if no buckets for a native histogram (see below) are used,
// otherwise the default is no buckets. (In other words, if you want to
// use both reguler buckets and buckets for a native histogram, you have
// use both regular buckets and buckets for a native histogram, you have
// to define the regular buckets here explicitly.)
Buckets []float64
@@ -401,7 +402,7 @@ type HistogramOpts struct {
// Histogram by a Prometheus server with that feature enabled (requires
// Prometheus v2.40+). Sparse buckets are exponential buckets covering
// the whole float64 range (with the exception of the “zero” bucket, see
// SparseBucketsZeroThreshold below). From any one bucket to the next,
// NativeHistogramZeroThreshold below). From any one bucket to the next,
// the width of the bucket grows by a constant
// factor. NativeHistogramBucketFactor provides an upper bound for this
// factor (exception see below). The smaller
@@ -413,8 +414,8 @@ type HistogramOpts struct {
// and 2, same as between 2 and 4, and 4 and 8, etc.).
//
// Details about the actually used factor: The factor is calculated as
// 2^(2^n), where n is an integer number between (and including) -8 and
// 4. n is chosen so that the resulting factor is the largest that is
// 2^(2^-n), where n is an integer number between (and including) -4 and
// 8. n is chosen so that the resulting factor is the largest that is
// still smaller or equal to NativeHistogramBucketFactor. Note that the
// smallest possible factor is therefore approx. 1.00271 (i.e. 2^(2^-8)
// ). If NativeHistogramBucketFactor is greater than 1 but smaller than
@@ -428,12 +429,12 @@ type HistogramOpts struct {
// a major version bump.
NativeHistogramBucketFactor float64
// All observations with an absolute value of less or equal
// NativeHistogramZeroThreshold are accumulated into a “zero”
// bucket. For best results, this should be close to a bucket
// boundary. This is usually the case if picking a power of two. If
// NativeHistogramZeroThreshold are accumulated into a “zero” bucket.
// For best results, this should be close to a bucket boundary. This is
// usually the case if picking a power of two. If
// NativeHistogramZeroThreshold is left at zero,
// DefSparseBucketsZeroThreshold is used as the threshold. To configure
// a zero bucket with an actual threshold of zero (i.e. only
// DefNativeHistogramZeroThreshold is used as the threshold. To
// configure a zero bucket with an actual threshold of zero (i.e. only
// observations of precisely zero will go into the zero bucket), set
// NativeHistogramZeroThreshold to the NativeHistogramZeroThresholdZero
// constant (or any negative float value).
@@ -446,26 +447,37 @@ type HistogramOpts struct {
// Histogram are sufficiently wide-spread. In particular, this could be
// used as a DoS attack vector. Where the observed values depend on
// external inputs, it is highly recommended to set a
// NativeHistogramMaxBucketNumber.) Once the set
// NativeHistogramMaxBucketNumber.) Once the set
// NativeHistogramMaxBucketNumber is exceeded, the following strategy is
// enacted: First, if the last reset (or the creation) of the histogram
// is at least NativeHistogramMinResetDuration ago, then the whole
// histogram is reset to its initial state (including regular
// buckets). If less time has passed, or if
// NativeHistogramMinResetDuration is zero, no reset is
// performed. Instead, the zero threshold is increased sufficiently to
// reduce the number of buckets to or below
// NativeHistogramMaxBucketNumber, but not to more than
// NativeHistogramMaxZeroThreshold. Thus, if
// NativeHistogramMaxZeroThreshold is already at or below the current
// zero threshold, nothing happens at this step. After that, if the
// number of buckets still exceeds NativeHistogramMaxBucketNumber, the
// resolution of the histogram is reduced by doubling the width of the
// sparse buckets (up to a growth factor between one bucket to the next
// of 2^(2^4) = 65536, see above).
// enacted:
// - First, if the last reset (or the creation) of the histogram is at
// least NativeHistogramMinResetDuration ago, then the whole
// histogram is reset to its initial state (including regular
// buckets).
// - If less time has passed, or if NativeHistogramMinResetDuration is
// zero, no reset is performed. Instead, the zero threshold is
// increased sufficiently to reduce the number of buckets to or below
// NativeHistogramMaxBucketNumber, but not to more than
// NativeHistogramMaxZeroThreshold. Thus, if
// NativeHistogramMaxZeroThreshold is already at or below the current
// zero threshold, nothing happens at this step.
// - After that, if the number of buckets still exceeds
// NativeHistogramMaxBucketNumber, the resolution of the histogram is
// reduced by doubling the width of the sparse buckets (up to a
// growth factor between one bucket to the next of 2^(2^4) = 65536,
// see above).
// - Any increased zero threshold or reduced resolution is reset back
// to their original values once NativeHistogramMinResetDuration has
// passed (since the last reset or the creation of the histogram).
NativeHistogramMaxBucketNumber uint32
NativeHistogramMinResetDuration time.Duration
NativeHistogramMaxZeroThreshold float64
// now is for testing purposes, by default it's time.Now.
now func() time.Time
// afterFunc is for testing purposes, by default it's time.AfterFunc.
afterFunc func(time.Duration, func()) *time.Timer
}
// HistogramVecOpts bundles the options to create a HistogramVec metric.
@@ -475,7 +487,7 @@ type HistogramVecOpts struct {
HistogramOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Contraint
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
@@ -499,12 +511,12 @@ func NewHistogram(opts HistogramOpts) Histogram {
}
func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogram {
if len(desc.variableLabels) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), labelValues))
if len(desc.variableLabels.names) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, labelValues))
}
for _, n := range desc.variableLabels {
if n.Name == bucketLabel {
for _, n := range desc.variableLabels.names {
if n == bucketLabel {
panic(errBucketLabelNotAllowed)
}
}
@@ -514,6 +526,12 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr
}
}
if opts.now == nil {
opts.now = time.Now
}
if opts.afterFunc == nil {
opts.afterFunc = time.AfterFunc
}
h := &histogram{
desc: desc,
upperBounds: opts.Buckets,
@@ -521,8 +539,9 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr
nativeHistogramMaxBuckets: opts.NativeHistogramMaxBucketNumber,
nativeHistogramMaxZeroThreshold: opts.NativeHistogramMaxZeroThreshold,
nativeHistogramMinResetDuration: opts.NativeHistogramMinResetDuration,
lastResetTime: time.Now(),
now: time.Now,
lastResetTime: opts.now(),
now: opts.now,
afterFunc: opts.afterFunc,
}
if len(h.upperBounds) == 0 && opts.NativeHistogramBucketFactor <= 1 {
h.upperBounds = DefBuckets
@@ -639,8 +658,8 @@ func (hc *histogramCounts) observe(v float64, bucket int, doSparse bool) {
if frac == 0.5 {
key--
}
div := 1 << -schema
key = (key + div - 1) / div
offset := (1 << -schema) - 1
key = (key + offset) >> -schema
}
if isInf {
key++
@@ -701,9 +720,18 @@ type histogram struct {
nativeHistogramMaxZeroThreshold float64
nativeHistogramMaxBuckets uint32
nativeHistogramMinResetDuration time.Duration
lastResetTime time.Time // Protected by mtx.
// lastResetTime is protected by mtx. It is also used as created timestamp.
lastResetTime time.Time
// resetScheduled is protected by mtx. It is true if a reset is
// scheduled for a later time (when nativeHistogramMinResetDuration has
// passed).
resetScheduled bool
now func() time.Time // To mock out time.Now() for testing.
// now is for testing purposes, by default it's time.Now.
now func() time.Time
// afterFunc is for testing purposes, by default it's time.AfterFunc.
afterFunc func(time.Duration, func()) *time.Timer
}
func (h *histogram) Desc() *Desc {
@@ -742,9 +770,10 @@ func (h *histogram) Write(out *dto.Metric) error {
waitForCooldown(count, coldCounts)
his := &dto.Histogram{
Bucket: make([]*dto.Bucket, len(h.upperBounds)),
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
Bucket: make([]*dto.Bucket, len(h.upperBounds)),
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
CreatedTimestamp: timestamppb.New(h.lastResetTime),
}
out.Histogram = his
out.Label = h.labelPairs
@@ -782,6 +811,16 @@ func (h *histogram) Write(out *dto.Metric) error {
his.ZeroCount = proto.Uint64(zeroBucket)
his.NegativeSpan, his.NegativeDelta = makeBuckets(&coldCounts.nativeHistogramBucketsNegative)
his.PositiveSpan, his.PositiveDelta = makeBuckets(&coldCounts.nativeHistogramBucketsPositive)
// Add a no-op span to a histogram without observations and with
// a zero threshold of zero. Otherwise, a native histogram would
// look like a classic histogram to scrapers.
if *his.ZeroThreshold == 0 && *his.ZeroCount == 0 && len(his.PositiveSpan) == 0 && len(his.NegativeSpan) == 0 {
his.PositiveSpan = []*dto.BucketSpan{{
Offset: proto.Int32(0),
Length: proto.Uint32(0),
}}
}
}
addAndResetCounts(hotCounts, coldCounts)
return nil
@@ -817,7 +856,7 @@ func (h *histogram) observe(v float64, bucket int) {
}
}
// limitSparsebuckets applies a strategy to limit the number of populated sparse
// limitBuckets applies a strategy to limit the number of populated sparse
// buckets. It's generally best effort, and there are situations where the
// number can go higher (if even the lowest resolution isn't enough to reduce
// the number sufficiently, or if the provided counts aren't fully updated yet
@@ -848,26 +887,39 @@ func (h *histogram) limitBuckets(counts *histogramCounts, value float64, bucket
if h.maybeReset(hotCounts, coldCounts, coldIdx, value, bucket) {
return
}
// One of the other strategies will happen. To undo what they will do as
// soon as enough time has passed to satisfy
// h.nativeHistogramMinResetDuration, schedule a reset at the right time
// if we haven't done so already.
if h.nativeHistogramMinResetDuration > 0 && !h.resetScheduled {
h.resetScheduled = true
h.afterFunc(h.nativeHistogramMinResetDuration-h.now().Sub(h.lastResetTime), h.reset)
}
if h.maybeWidenZeroBucket(hotCounts, coldCounts) {
return
}
h.doubleBucketWidth(hotCounts, coldCounts)
}
// maybeReset resests the whole histogram if at least h.nativeHistogramMinResetDuration
// has been passed. It returns true if the histogram has been reset. The caller
// must have locked h.mtx.
func (h *histogram) maybeReset(hot, cold *histogramCounts, coldIdx uint64, value float64, bucket int) bool {
// maybeReset resets the whole histogram if at least
// h.nativeHistogramMinResetDuration has been passed. It returns true if the
// histogram has been reset. The caller must have locked h.mtx.
func (h *histogram) maybeReset(
hot, cold *histogramCounts, coldIdx uint64, value float64, bucket int,
) bool {
// We are using the possibly mocked h.now() rather than
// time.Since(h.lastResetTime) to enable testing.
if h.nativeHistogramMinResetDuration == 0 || h.now().Sub(h.lastResetTime) < h.nativeHistogramMinResetDuration {
if h.nativeHistogramMinResetDuration == 0 || // No reset configured.
h.resetScheduled || // Do not interefere if a reset is already scheduled.
h.now().Sub(h.lastResetTime) < h.nativeHistogramMinResetDuration {
return false
}
// Completely reset coldCounts.
h.resetCounts(cold)
// Repeat the latest observation to not lose it completely.
cold.observe(value, bucket, true)
// Make coldCounts the new hot counts while ressetting countAndHotIdx.
// Make coldCounts the new hot counts while resetting countAndHotIdx.
n := atomic.SwapUint64(&h.countAndHotIdx, (coldIdx<<63)+1)
count := n & ((1 << 63) - 1)
waitForCooldown(count, hot)
@@ -877,6 +929,29 @@ func (h *histogram) maybeReset(hot, cold *histogramCounts, coldIdx uint64, value
return true
}
// reset resets the whole histogram. It locks h.mtx itself, i.e. it has to be
// called without having locked h.mtx.
func (h *histogram) reset() {
h.mtx.Lock()
defer h.mtx.Unlock()
n := atomic.LoadUint64(&h.countAndHotIdx)
hotIdx := n >> 63
coldIdx := (^n) >> 63
hot := h.counts[hotIdx]
cold := h.counts[coldIdx]
// Completely reset coldCounts.
h.resetCounts(cold)
// Make coldCounts the new hot counts while resetting countAndHotIdx.
n = atomic.SwapUint64(&h.countAndHotIdx, coldIdx<<63)
count := n & ((1 << 63) - 1)
waitForCooldown(count, hot)
// Finally, reset the formerly hot counts, too.
h.resetCounts(hot)
h.lastResetTime = h.now()
h.resetScheduled = false
}
// maybeWidenZeroBucket widens the zero bucket until it includes the existing
// buckets closest to the zero bucket (which could be two, if an equidistant
// negative and a positive bucket exists, but usually it's only one bucket to be
@@ -1176,6 +1251,7 @@ type constHistogram struct {
sum float64
buckets map[float64]uint64
labelPairs []*dto.LabelPair
createdTs *timestamppb.Timestamp
}
func (h *constHistogram) Desc() *Desc {
@@ -1183,7 +1259,9 @@ func (h *constHistogram) Desc() *Desc {
}
func (h *constHistogram) Write(out *dto.Metric) error {
his := &dto.Histogram{}
his := &dto.Histogram{
CreatedTimestamp: h.createdTs,
}
buckets := make([]*dto.Bucket, 0, len(h.buckets))
@@ -1230,7 +1308,7 @@ func NewConstHistogram(
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
return &constHistogram{
@@ -1324,7 +1402,7 @@ func makeBuckets(buckets *sync.Map) ([]*dto.BucketSpan, []int64) {
// Multiple spans with only small gaps in between are probably
// encoded more efficiently as one larger span with a few empty
// buckets. Needs some research to find the sweet spot. For now,
// we assume that gaps of one ore two buckets should not create
// we assume that gaps of one or two buckets should not create
// a new span.
iDelta := int32(i - nextI)
if n == 0 || iDelta > 2 {

2
vendor/github.com/prometheus/client_golang/prometheus/internal/difflib.go generated vendored
View File

@@ -14,7 +14,7 @@
// It provides tools to compare sequences of strings and generate textual diffs.
//
// Maintaining `GetUnifiedDiffString` here because original repository
// (https://github.com/pmezard/go-difflib) is no loger maintained.
// (https://github.com/pmezard/go-difflib) is no longer maintained.
package internal
import (

60
vendor/github.com/prometheus/client_golang/prometheus/labels.go generated vendored
View File

@@ -32,19 +32,15 @@ import (
// create a Desc.
type Labels map[string]string
// LabelConstraint normalizes label values.
type LabelConstraint func(string) string
// ConstrainedLabels represents a label name and its constrain function
// to normalize label values. This type is commonly used when constructing
// metric vector Collectors.
type ConstrainedLabel struct {
Name string
Constraint func(string) string
}
func (cl ConstrainedLabel) Constrain(v string) string {
if cl.Constraint == nil {
return v
}
return cl.Constraint(v)
Constraint LabelConstraint
}
// ConstrainableLabels is an interface that allows creating of labels that can
@@ -58,7 +54,7 @@ func (cl ConstrainedLabel) Constrain(v string) string {
// },
// })
type ConstrainableLabels interface {
constrainedLabels() ConstrainedLabels
compile() *compiledLabels
labelNames() []string
}
@@ -67,8 +63,20 @@ type ConstrainableLabels interface {
// metric vector Collectors.
type ConstrainedLabels []ConstrainedLabel
func (cls ConstrainedLabels) constrainedLabels() ConstrainedLabels {
return cls
func (cls ConstrainedLabels) compile() *compiledLabels {
compiled := &compiledLabels{
names: make([]string, len(cls)),
labelConstraints: map[string]LabelConstraint{},
}
for i, label := range cls {
compiled.names[i] = label.Name
if label.Constraint != nil {
compiled.labelConstraints[label.Name] = label.Constraint
}
}
return compiled
}
func (cls ConstrainedLabels) labelNames() []string {
@@ -92,18 +100,36 @@ func (cls ConstrainedLabels) labelNames() []string {
// }
type UnconstrainedLabels []string
func (uls UnconstrainedLabels) constrainedLabels() ConstrainedLabels {
constrainedLabels := make([]ConstrainedLabel, len(uls))
for i, l := range uls {
constrainedLabels[i] = ConstrainedLabel{Name: l}
func (uls UnconstrainedLabels) compile() *compiledLabels {
return &compiledLabels{
names: uls,
}
return constrainedLabels
}
func (uls UnconstrainedLabels) labelNames() []string {
return uls
}
type compiledLabels struct {
names []string
labelConstraints map[string]LabelConstraint
}
func (cls *compiledLabels) compile() *compiledLabels {
return cls
}
func (cls *compiledLabels) labelNames() []string {
return cls.names
}
func (cls *compiledLabels) constrain(labelName, value string) string {
if fn, ok := cls.labelConstraints[labelName]; ok && fn != nil {
return fn(value)
}
return value
}
// reservedLabelPrefix is a prefix which is not legal in user-supplied
// label names.
const reservedLabelPrefix = "__"
@@ -139,6 +165,8 @@ func validateValuesInLabels(labels Labels, expectedNumberOfValues int) error {
func validateLabelValues(vals []string, expectedNumberOfValues int) error {
if len(vals) != expectedNumberOfValues {
// The call below makes vals escape, copy them to avoid that.
vals := append([]string(nil), vals...)
return fmt.Errorf(
"%w: expected %d label values but got %d in %#v",
errInconsistentCardinality, expectedNumberOfValues,

3
vendor/github.com/prometheus/client_golang/prometheus/metric.go generated vendored
View File

@@ -92,6 +92,9 @@ type Opts struct {
// machine_role metric). See also
// https://prometheus.io/docs/instrumenting/writing_exporters/#target-labels-not-static-scraped-labels
ConstLabels Labels
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
// BuildFQName joins the given three name components by "_". Empty name

4
vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go generated vendored
View File

@@ -11,8 +11,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !windows && !js
// +build !windows,!js
//go:build !windows && !js && !wasip1
// +build !windows,!js,!wasip1
package prometheus

26
vendor/github.com/prometheus/client_golang/prometheus/process_collector_wasip1.go generated vendored Normal file
View File

@@ -0,0 +1,26 @@
// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build wasip1
// +build wasip1
package prometheus
func canCollectProcess() bool {
return false
}
func (*processCollector) processCollect(chan<- Metric) {
// noop on this platform
return
}

6
vendor/github.com/prometheus/client_golang/prometheus/registry.go generated vendored
View File

@@ -548,7 +548,7 @@ func (r *Registry) Gather() ([]*dto.MetricFamily, error) {
goroutineBudget--
runtime.Gosched()
}
// Once both checkedMetricChan and uncheckdMetricChan are closed
// Once both checkedMetricChan and uncheckedMetricChan are closed
// and drained, the contraption above will nil out cmc and umc,
// and then we can leave the collect loop here.
if cmc == nil && umc == nil {
@@ -963,9 +963,9 @@ func checkDescConsistency(
// Is the desc consistent with the content of the metric?
lpsFromDesc := make([]*dto.LabelPair, len(desc.constLabelPairs), len(dtoMetric.Label))
copy(lpsFromDesc, desc.constLabelPairs)
for _, l := range desc.variableLabels {
for _, l := range desc.variableLabels.names {
lpsFromDesc = append(lpsFromDesc, &dto.LabelPair{
Name: proto.String(l.Name),
Name: proto.String(l),
})
}
if len(lpsFromDesc) != len(dtoMetric.Label) {

41
vendor/github.com/prometheus/client_golang/prometheus/summary.go generated vendored
View File

@@ -26,6 +26,7 @@ import (
"github.com/beorn7/perks/quantile"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/timestamppb"
)
// quantileLabel is used for the label that defines the quantile in a
@@ -145,6 +146,9 @@ type SummaryOpts struct {
// is the internal buffer size of the underlying package
// "github.com/bmizerany/perks/quantile").
BufCap uint32
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
// SummaryVecOpts bundles the options to create a SummaryVec metric.
@@ -154,7 +158,7 @@ type SummaryVecOpts struct {
SummaryOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Contraint
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
@@ -188,12 +192,12 @@ func NewSummary(opts SummaryOpts) Summary {
}
func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
if len(desc.variableLabels) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), labelValues))
if len(desc.variableLabels.names) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, labelValues))
}
for _, n := range desc.variableLabels {
if n.Name == quantileLabel {
for _, n := range desc.variableLabels.names {
if n == quantileLabel {
panic(errQuantileLabelNotAllowed)
}
}
@@ -222,6 +226,9 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
opts.BufCap = DefBufCap
}
if opts.now == nil {
opts.now = time.Now
}
if len(opts.Objectives) == 0 {
// Use the lock-free implementation of a Summary without objectives.
s := &noObjectivesSummary{
@@ -230,6 +237,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
counts: [2]*summaryCounts{{}, {}},
}
s.init(s) // Init self-collection.
s.createdTs = timestamppb.New(opts.now())
return s
}
@@ -245,7 +253,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
coldBuf: make([]float64, 0, opts.BufCap),
streamDuration: opts.MaxAge / time.Duration(opts.AgeBuckets),
}
s.headStreamExpTime = time.Now().Add(s.streamDuration)
s.headStreamExpTime = opts.now().Add(s.streamDuration)
s.hotBufExpTime = s.headStreamExpTime
for i := uint32(0); i < opts.AgeBuckets; i++ {
@@ -259,6 +267,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
sort.Float64s(s.sortedObjectives)
s.init(s) // Init self-collection.
s.createdTs = timestamppb.New(opts.now())
return s
}
@@ -286,6 +295,8 @@ type summary struct {
headStream *quantile.Stream
headStreamIdx int
headStreamExpTime, hotBufExpTime time.Time
createdTs *timestamppb.Timestamp
}
func (s *summary) Desc() *Desc {
@@ -307,7 +318,9 @@ func (s *summary) Observe(v float64) {
}
func (s *summary) Write(out *dto.Metric) error {
sum := &dto.Summary{}
sum := &dto.Summary{
CreatedTimestamp: s.createdTs,
}
qs := make([]*dto.Quantile, 0, len(s.objectives))
s.bufMtx.Lock()
@@ -440,6 +453,8 @@ type noObjectivesSummary struct {
counts [2]*summaryCounts
labelPairs []*dto.LabelPair
createdTs *timestamppb.Timestamp
}
func (s *noObjectivesSummary) Desc() *Desc {
@@ -490,8 +505,9 @@ func (s *noObjectivesSummary) Write(out *dto.Metric) error {
}
sum := &dto.Summary{
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
CreatedTimestamp: s.createdTs,
}
out.Summary = sum
@@ -681,6 +697,7 @@ type constSummary struct {
sum float64
quantiles map[float64]float64
labelPairs []*dto.LabelPair
createdTs *timestamppb.Timestamp
}
func (s *constSummary) Desc() *Desc {
@@ -688,7 +705,9 @@ func (s *constSummary) Desc() *Desc {
}
func (s *constSummary) Write(out *dto.Metric) error {
sum := &dto.Summary{}
sum := &dto.Summary{
CreatedTimestamp: s.createdTs,
}
qs := make([]*dto.Quantile, 0, len(s.quantiles))
sum.SampleCount = proto.Uint64(s.count)
@@ -737,7 +756,7 @@ func NewConstSummary(
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
return &constSummary{

55
vendor/github.com/prometheus/client_golang/prometheus/value.go generated vendored
View File

@@ -14,6 +14,7 @@
package prometheus
import (
"errors"
"fmt"
"sort"
"time"
@@ -91,7 +92,7 @@ func (v *valueFunc) Desc() *Desc {
}
func (v *valueFunc) Write(out *dto.Metric) error {
return populateMetric(v.valType, v.function(), v.labelPairs, nil, out)
return populateMetric(v.valType, v.function(), v.labelPairs, nil, out, nil)
}
// NewConstMetric returns a metric with one fixed value that cannot be
@@ -105,12 +106,12 @@ func NewConstMetric(desc *Desc, valueType ValueType, value float64, labelValues
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
metric := &dto.Metric{}
if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric); err != nil {
if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric, nil); err != nil {
return nil, err
}
@@ -130,6 +131,43 @@ func MustNewConstMetric(desc *Desc, valueType ValueType, value float64, labelVal
return m
}
// NewConstMetricWithCreatedTimestamp does the same thing as NewConstMetric, but generates Counters
// with created timestamp set and returns an error for other metric types.
func NewConstMetricWithCreatedTimestamp(desc *Desc, valueType ValueType, value float64, ct time.Time, labelValues ...string) (Metric, error) {
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
switch valueType {
case CounterValue:
break
default:
return nil, errors.New("created timestamps are only supported for counters")
}
metric := &dto.Metric{}
if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric, timestamppb.New(ct)); err != nil {
return nil, err
}
return &constMetric{
desc: desc,
metric: metric,
}, nil
}
// MustNewConstMetricWithCreatedTimestamp is a version of NewConstMetricWithCreatedTimestamp that panics where
// NewConstMetricWithCreatedTimestamp would have returned an error.
func MustNewConstMetricWithCreatedTimestamp(desc *Desc, valueType ValueType, value float64, ct time.Time, labelValues ...string) Metric {
m, err := NewConstMetricWithCreatedTimestamp(desc, valueType, value, ct, labelValues...)
if err != nil {
panic(err)
}
return m
}
type constMetric struct {
desc *Desc
metric *dto.Metric
@@ -153,11 +191,12 @@ func populateMetric(
labelPairs []*dto.LabelPair,
e *dto.Exemplar,
m *dto.Metric,
ct *timestamppb.Timestamp,
) error {
m.Label = labelPairs
switch t {
case CounterValue:
m.Counter = &dto.Counter{Value: proto.Float64(v), Exemplar: e}
m.Counter = &dto.Counter{Value: proto.Float64(v), Exemplar: e, CreatedTimestamp: ct}
case GaugeValue:
m.Gauge = &dto.Gauge{Value: proto.Float64(v)}
case UntypedValue:
@@ -176,19 +215,19 @@ func populateMetric(
// This function is only needed for custom Metric implementations. See MetricVec
// example.
func MakeLabelPairs(desc *Desc, labelValues []string) []*dto.LabelPair {
totalLen := len(desc.variableLabels) + len(desc.constLabelPairs)
totalLen := len(desc.variableLabels.names) + len(desc.constLabelPairs)
if totalLen == 0 {
// Super fast path.
return nil
}
if len(desc.variableLabels) == 0 {
if len(desc.variableLabels.names) == 0 {
// Moderately fast path.
return desc.constLabelPairs
}
labelPairs := make([]*dto.LabelPair, 0, totalLen)
for i, l := range desc.variableLabels {
for i, l := range desc.variableLabels.names {
labelPairs = append(labelPairs, &dto.LabelPair{
Name: proto.String(l.Name),
Name: proto.String(l),
Value: proto.String(labelValues[i]),
})
}

91
vendor/github.com/prometheus/client_golang/prometheus/vec.go generated vendored
View File

@@ -73,6 +73,7 @@ func NewMetricVec(desc *Desc, newMetric func(lvs ...string) Metric) *MetricVec {
// See also the CounterVec example.
func (m *MetricVec) DeleteLabelValues(lvs ...string) bool {
lvs = constrainLabelValues(m.desc, lvs, m.curry)
h, err := m.hashLabelValues(lvs)
if err != nil {
return false
@@ -92,7 +93,9 @@ func (m *MetricVec) DeleteLabelValues(lvs ...string) bool {
// This method is used for the same purpose as DeleteLabelValues(...string). See
// there for pros and cons of the two methods.
func (m *MetricVec) Delete(labels Labels) bool {
labels = constrainLabels(m.desc, labels)
labels, closer := constrainLabels(m.desc, labels)
defer closer()
h, err := m.hashLabels(labels)
if err != nil {
return false
@@ -108,7 +111,9 @@ func (m *MetricVec) Delete(labels Labels) bool {
// Note that curried labels will never be matched if deleting from the curried vector.
// To match curried labels with DeletePartialMatch, it must be called on the base vector.
func (m *MetricVec) DeletePartialMatch(labels Labels) int {
labels = constrainLabels(m.desc, labels)
labels, closer := constrainLabels(m.desc, labels)
defer closer()
return m.metricMap.deleteByLabels(labels, m.curry)
}
@@ -147,11 +152,11 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
oldCurry = m.curry
iCurry int
)
for i, label := range m.desc.variableLabels {
val, ok := labels[label.Name]
for i, labelName := range m.desc.variableLabels.names {
val, ok := labels[labelName]
if iCurry < len(oldCurry) && oldCurry[iCurry].index == i {
if ok {
return nil, fmt.Errorf("label name %q is already curried", label.Name)
return nil, fmt.Errorf("label name %q is already curried", labelName)
}
newCurry = append(newCurry, oldCurry[iCurry])
iCurry++
@@ -159,7 +164,10 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
if !ok {
continue // Label stays uncurried.
}
newCurry = append(newCurry, curriedLabelValue{i, label.Constrain(val)})
newCurry = append(newCurry, curriedLabelValue{
i,
m.desc.variableLabels.constrain(labelName, val),
})
}
}
if l := len(oldCurry) + len(labels) - len(newCurry); l > 0 {
@@ -228,7 +236,9 @@ func (m *MetricVec) GetMetricWithLabelValues(lvs ...string) (Metric, error) {
// around MetricVec, implementing a vector for a specific Metric implementation,
// for example GaugeVec.
func (m *MetricVec) GetMetricWith(labels Labels) (Metric, error) {
labels = constrainLabels(m.desc, labels)
labels, closer := constrainLabels(m.desc, labels)
defer closer()
h, err := m.hashLabels(labels)
if err != nil {
return nil, err
@@ -238,7 +248,7 @@ func (m *MetricVec) GetMetricWith(labels Labels) (Metric, error) {
}
func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
if err := validateLabelValues(vals, len(m.desc.variableLabels)-len(m.curry)); err != nil {
if err := validateLabelValues(vals, len(m.desc.variableLabels.names)-len(m.curry)); err != nil {
return 0, err
}
@@ -247,7 +257,7 @@ func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
curry = m.curry
iVals, iCurry int
)
for i := 0; i < len(m.desc.variableLabels); i++ {
for i := 0; i < len(m.desc.variableLabels.names); i++ {
if iCurry < len(curry) && curry[iCurry].index == i {
h = m.hashAdd(h, curry[iCurry].value)
iCurry++
@@ -261,7 +271,7 @@ func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
}
func (m *MetricVec) hashLabels(labels Labels) (uint64, error) {
if err := validateValuesInLabels(labels, len(m.desc.variableLabels)-len(m.curry)); err != nil {
if err := validateValuesInLabels(labels, len(m.desc.variableLabels.names)-len(m.curry)); err != nil {
return 0, err
}
@@ -270,17 +280,17 @@ func (m *MetricVec) hashLabels(labels Labels) (uint64, error) {
curry = m.curry
iCurry int
)
for i, label := range m.desc.variableLabels {
val, ok := labels[label.Name]
for i, labelName := range m.desc.variableLabels.names {
val, ok := labels[labelName]
if iCurry < len(curry) && curry[iCurry].index == i {
if ok {
return 0, fmt.Errorf("label name %q is already curried", label.Name)
return 0, fmt.Errorf("label name %q is already curried", labelName)
}
h = m.hashAdd(h, curry[iCurry].value)
iCurry++
} else {
if !ok {
return 0, fmt.Errorf("label name %q missing in label map", label.Name)
return 0, fmt.Errorf("label name %q missing in label map", labelName)
}
h = m.hashAdd(h, val)
}
@@ -458,7 +468,7 @@ func valueMatchesVariableOrCurriedValue(targetValue string, index int, values []
func matchPartialLabels(desc *Desc, values []string, labels Labels, curry []curriedLabelValue) bool {
for l, v := range labels {
// Check if the target label exists in our metrics and get the index.
varLabelIndex, validLabel := indexOf(l, desc.variableLabels.labelNames())
varLabelIndex, validLabel := indexOf(l, desc.variableLabels.names)
if validLabel {
// Check the value of that label against the target value.
// We don't consider curried values in partial matches.
@@ -602,7 +612,7 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
return false
}
iCurry := 0
for i, k := range desc.variableLabels {
for i, k := range desc.variableLabels.names {
if iCurry < len(curry) && curry[iCurry].index == i {
if values[i] != curry[iCurry].value {
return false
@@ -610,7 +620,7 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
iCurry++
continue
}
if values[i] != labels[k.Name] {
if values[i] != labels[k] {
return false
}
}
@@ -620,13 +630,13 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
func extractLabelValues(desc *Desc, labels Labels, curry []curriedLabelValue) []string {
labelValues := make([]string, len(labels)+len(curry))
iCurry := 0
for i, k := range desc.variableLabels {
for i, k := range desc.variableLabels.names {
if iCurry < len(curry) && curry[iCurry].index == i {
labelValues[i] = curry[iCurry].value
iCurry++
continue
}
labelValues[i] = labels[k.Name]
labelValues[i] = labels[k]
}
return labelValues
}
@@ -646,19 +656,37 @@ func inlineLabelValues(lvs []string, curry []curriedLabelValue) []string {
return labelValues
}
func constrainLabels(desc *Desc, labels Labels) Labels {
constrainedValues := make(Labels, len(labels))
for l, v := range labels {
if i, ok := indexOf(l, desc.variableLabels.labelNames()); ok {
constrainedValues[l] = desc.variableLabels[i].Constrain(v)
continue
}
constrainedValues[l] = v
var labelsPool = &sync.Pool{
New: func() interface{} {
return make(Labels)
},
}
func constrainLabels(desc *Desc, labels Labels) (Labels, func()) {
if len(desc.variableLabels.labelConstraints) == 0 {
// Fast path when there's no constraints
return labels, func() {}
}
constrainedLabels := labelsPool.Get().(Labels)
for l, v := range labels {
constrainedLabels[l] = desc.variableLabels.constrain(l, v)
}
return constrainedLabels, func() {
for k := range constrainedLabels {
delete(constrainedLabels, k)
}
labelsPool.Put(constrainedLabels)
}
return constrainedValues
}
func constrainLabelValues(desc *Desc, lvs []string, curry []curriedLabelValue) []string {
if len(desc.variableLabels.labelConstraints) == 0 {
// Fast path when there's no constraints
return lvs
}
constrainedValues := make([]string, len(lvs))
var iCurry, iLVs int
for i := 0; i < len(lvs)+len(curry); i++ {
@@ -667,8 +695,11 @@ func constrainLabelValues(desc *Desc, lvs []string, curry []curriedLabelValue) [
continue
}
if i < len(desc.variableLabels) {
constrainedValues[iLVs] = desc.variableLabels[i].Constrain(lvs[iLVs])
if i < len(desc.variableLabels.names) {
constrainedValues[iLVs] = desc.variableLabels.constrain(
desc.variableLabels.names[i],
lvs[iLVs],
)
} else {
constrainedValues[iLVs] = lvs[iLVs]
}

377
vendor/github.com/prometheus/client_model/go/metrics.pb.go generated vendored
View File

@@ -215,8 +215,9 @@ type Counter struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Value *float64 `protobuf:"fixed64,1,opt,name=value" json:"value,omitempty"`
Exemplar *Exemplar `protobuf:"bytes,2,opt,name=exemplar" json:"exemplar,omitempty"`
Value *float64 `protobuf:"fixed64,1,opt,name=value" json:"value,omitempty"`
Exemplar *Exemplar `protobuf:"bytes,2,opt,name=exemplar" json:"exemplar,omitempty"`
CreatedTimestamp *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=created_timestamp,json=createdTimestamp" json:"created_timestamp,omitempty"`
}
func (x *Counter) Reset() {
@@ -265,6 +266,13 @@ func (x *Counter) GetExemplar() *Exemplar {
return nil
}
func (x *Counter) GetCreatedTimestamp() *timestamppb.Timestamp {
if x != nil {
return x.CreatedTimestamp
}
return nil
}
type Quantile struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -325,9 +333,10 @@ type Summary struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
SampleCount *uint64 `protobuf:"varint,1,opt,name=sample_count,json=sampleCount" json:"sample_count,omitempty"`
SampleSum *float64 `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"`
Quantile []*Quantile `protobuf:"bytes,3,rep,name=quantile" json:"quantile,omitempty"`
SampleCount *uint64 `protobuf:"varint,1,opt,name=sample_count,json=sampleCount" json:"sample_count,omitempty"`
SampleSum *float64 `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"`
Quantile []*Quantile `protobuf:"bytes,3,rep,name=quantile" json:"quantile,omitempty"`
CreatedTimestamp *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=created_timestamp,json=createdTimestamp" json:"created_timestamp,omitempty"`
}
func (x *Summary) Reset() {
@@ -383,6 +392,13 @@ func (x *Summary) GetQuantile() []*Quantile {
return nil
}
func (x *Summary) GetCreatedTimestamp() *timestamppb.Timestamp {
if x != nil {
return x.CreatedTimestamp
}
return nil
}
type Untyped struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -439,7 +455,8 @@ type Histogram struct {
SampleCountFloat *float64 `protobuf:"fixed64,4,opt,name=sample_count_float,json=sampleCountFloat" json:"sample_count_float,omitempty"` // Overrides sample_count if > 0.
SampleSum *float64 `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"`
// Buckets for the conventional histogram.
Bucket []*Bucket `protobuf:"bytes,3,rep,name=bucket" json:"bucket,omitempty"` // Ordered in increasing order of upper_bound, +Inf bucket is optional.
Bucket []*Bucket `protobuf:"bytes,3,rep,name=bucket" json:"bucket,omitempty"` // Ordered in increasing order of upper_bound, +Inf bucket is optional.
CreatedTimestamp *timestamppb.Timestamp `protobuf:"bytes,15,opt,name=created_timestamp,json=createdTimestamp" json:"created_timestamp,omitempty"`
// schema defines the bucket schema. Currently, valid numbers are -4 <= n <= 8.
// They are all for base-2 bucket schemas, where 1 is a bucket boundary in each case, and
// then each power of two is divided into 2^n logarithmic buckets.
@@ -457,12 +474,17 @@ type Histogram struct {
NegativeDelta []int64 `protobuf:"zigzag64,10,rep,name=negative_delta,json=negativeDelta" json:"negative_delta,omitempty"` // Count delta of each bucket compared to previous one (or to zero for 1st bucket).
NegativeCount []float64 `protobuf:"fixed64,11,rep,name=negative_count,json=negativeCount" json:"negative_count,omitempty"` // Absolute count of each bucket.
// Positive buckets for the native histogram.
// Use a no-op span (offset 0, length 0) for a native histogram without any
// observations yet and with a zero_threshold of 0. Otherwise, it would be
// indistinguishable from a classic histogram.
PositiveSpan []*BucketSpan `protobuf:"bytes,12,rep,name=positive_span,json=positiveSpan" json:"positive_span,omitempty"`
// Use either "positive_delta" or "positive_count", the former for
// regular histograms with integer counts, the latter for float
// histograms.
PositiveDelta []int64 `protobuf:"zigzag64,13,rep,name=positive_delta,json=positiveDelta" json:"positive_delta,omitempty"` // Count delta of each bucket compared to previous one (or to zero for 1st bucket).
PositiveCount []float64 `protobuf:"fixed64,14,rep,name=positive_count,json=positiveCount" json:"positive_count,omitempty"` // Absolute count of each bucket.
// Only used for native histograms. These exemplars MUST have a timestamp.
Exemplars []*Exemplar `protobuf:"bytes,16,rep,name=exemplars" json:"exemplars,omitempty"`
}
func (x *Histogram) Reset() {
@@ -525,6 +547,13 @@ func (x *Histogram) GetBucket() []*Bucket {
return nil
}
func (x *Histogram) GetCreatedTimestamp() *timestamppb.Timestamp {
if x != nil {
return x.CreatedTimestamp
}
return nil
}
func (x *Histogram) GetSchema() int32 {
if x != nil && x.Schema != nil {
return *x.Schema
@@ -595,6 +624,13 @@ func (x *Histogram) GetPositiveCount() []float64 {
return nil
}
func (x *Histogram) GetExemplars() []*Exemplar {
if x != nil {
return x.Exemplars
}
return nil
}
// A Bucket of a conventional histogram, each of which is treated as
// an individual counter-like time series by Prometheus.
type Bucket struct {
@@ -896,6 +932,7 @@ type MetricFamily struct {
Help *string `protobuf:"bytes,2,opt,name=help" json:"help,omitempty"`
Type *MetricType `protobuf:"varint,3,opt,name=type,enum=io.prometheus.client.MetricType" json:"type,omitempty"`
Metric []*Metric `protobuf:"bytes,4,rep,name=metric" json:"metric,omitempty"`
Unit *string `protobuf:"bytes,5,opt,name=unit" json:"unit,omitempty"`
}
func (x *MetricFamily) Reset() {
@@ -958,6 +995,13 @@ func (x *MetricFamily) GetMetric() []*Metric {
return nil
}
func (x *MetricFamily) GetUnit() string {
if x != nil && x.Unit != nil {
return *x.Unit
}
return ""
}
var File_io_prometheus_client_metrics_proto protoreflect.FileDescriptor
var file_io_prometheus_client_metrics_proto_rawDesc = []byte{
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}
var (
@@ -1137,26 +1200,30 @@ var file_io_prometheus_client_metrics_proto_goTypes = []interface{}{
}
var file_io_prometheus_client_metrics_proto_depIdxs = []int32{
10, // 0: io.prometheus.client.Counter.exemplar:type_name -> io.prometheus.client.Exemplar
4, // 1: io.prometheus.client.Summary.quantile:type_name -> io.prometheus.client.Quantile
8, // 2: io.prometheus.client.Histogram.bucket:type_name -> io.prometheus.client.Bucket
9, // 3: io.prometheus.client.Histogram.negative_span:type_name -> io.prometheus.client.BucketSpan
9, // 4: io.prometheus.client.Histogram.positive_span:type_name -> io.prometheus.client.BucketSpan
10, // 5: io.prometheus.client.Bucket.exemplar:type_name -> io.prometheus.client.Exemplar
1, // 6: io.prometheus.client.Exemplar.label:type_name -> io.prometheus.client.LabelPair
13, // 7: io.prometheus.client.Exemplar.timestamp:type_name -> google.protobuf.Timestamp
1, // 8: io.prometheus.client.Metric.label:type_name -> io.prometheus.client.LabelPair
2, // 9: io.prometheus.client.Metric.gauge:type_name -> io.prometheus.client.Gauge
3, // 10: io.prometheus.client.Metric.counter:type_name -> io.prometheus.client.Counter
5, // 11: io.prometheus.client.Metric.summary:type_name -> io.prometheus.client.Summary
6, // 12: io.prometheus.client.Metric.untyped:type_name -> io.prometheus.client.Untyped
7, // 13: io.prometheus.client.Metric.histogram:type_name -> io.prometheus.client.Histogram
0, // 14: io.prometheus.client.MetricFamily.type:type_name -> io.prometheus.client.MetricType
11, // 15: io.prometheus.client.MetricFamily.metric:type_name -> io.prometheus.client.Metric
16, // [16:16] is the sub-list for method output_type
16, // [16:16] is the sub-list for method input_type
16, // [16:16] is the sub-list for extension type_name
16, // [16:16] is the sub-list for extension extendee
0, // [0:16] is the sub-list for field type_name
13, // 1: io.prometheus.client.Counter.created_timestamp:type_name -> google.protobuf.Timestamp
4, // 2: io.prometheus.client.Summary.quantile:type_name -> io.prometheus.client.Quantile
13, // 3: io.prometheus.client.Summary.created_timestamp:type_name -> google.protobuf.Timestamp
8, // 4: io.prometheus.client.Histogram.bucket:type_name -> io.prometheus.client.Bucket
13, // 5: io.prometheus.client.Histogram.created_timestamp:type_name -> google.protobuf.Timestamp
9, // 6: io.prometheus.client.Histogram.negative_span:type_name -> io.prometheus.client.BucketSpan
9, // 7: io.prometheus.client.Histogram.positive_span:type_name -> io.prometheus.client.BucketSpan
10, // 8: io.prometheus.client.Histogram.exemplars:type_name -> io.prometheus.client.Exemplar
10, // 9: io.prometheus.client.Bucket.exemplar:type_name -> io.prometheus.client.Exemplar
1, // 10: io.prometheus.client.Exemplar.label:type_name -> io.prometheus.client.LabelPair
13, // 11: io.prometheus.client.Exemplar.timestamp:type_name -> google.protobuf.Timestamp
1, // 12: io.prometheus.client.Metric.label:type_name -> io.prometheus.client.LabelPair
2, // 13: io.prometheus.client.Metric.gauge:type_name -> io.prometheus.client.Gauge
3, // 14: io.prometheus.client.Metric.counter:type_name -> io.prometheus.client.Counter
5, // 15: io.prometheus.client.Metric.summary:type_name -> io.prometheus.client.Summary
6, // 16: io.prometheus.client.Metric.untyped:type_name -> io.prometheus.client.Untyped
7, // 17: io.prometheus.client.Metric.histogram:type_name -> io.prometheus.client.Histogram
0, // 18: io.prometheus.client.MetricFamily.type:type_name -> io.prometheus.client.MetricType
11, // 19: io.prometheus.client.MetricFamily.metric:type_name -> io.prometheus.client.Metric
20, // [20:20] is the sub-list for method output_type
20, // [20:20] is the sub-list for method input_type
20, // [20:20] is the sub-list for extension type_name
20, // [20:20] is the sub-list for extension extendee
0, // [0:20] is the sub-list for field type_name
}
func init() { file_io_prometheus_client_metrics_proto_init() }

31
vendor/github.com/prometheus/common/expfmt/decode.go generated vendored
View File

@@ -14,6 +14,7 @@
package expfmt
import (
"bufio"
"fmt"
"io"
"math"
@@ -21,8 +22,8 @@ import (
"net/http"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/encoding/protodelim"
"github.com/matttproud/golang_protobuf_extensions/pbutil"
"github.com/prometheus/common/model"
)
@@ -44,7 +45,7 @@ func ResponseFormat(h http.Header) Format {
mediatype, params, err := mime.ParseMediaType(ct)
if err != nil {
return FmtUnknown
return fmtUnknown
}
const textType = "text/plain"
@@ -52,42 +53,44 @@ func ResponseFormat(h http.Header) Format {
switch mediatype {
case ProtoType:
if p, ok := params["proto"]; ok && p != ProtoProtocol {
return FmtUnknown
return fmtUnknown
}
if e, ok := params["encoding"]; ok && e != "delimited" {
return FmtUnknown
return fmtUnknown
}
return FmtProtoDelim
return fmtProtoDelim
case textType:
if v, ok := params["version"]; ok && v != TextVersion {
return FmtUnknown
return fmtUnknown
}
return FmtText
return fmtText
}
return FmtUnknown
return fmtUnknown
}
// NewDecoder returns a new decoder based on the given input format.
// If the input format does not imply otherwise, a text format decoder is returned.
func NewDecoder(r io.Reader, format Format) Decoder {
switch format {
case FmtProtoDelim:
return &protoDecoder{r: r}
switch format.FormatType() {
case TypeProtoDelim:
return &protoDecoder{r: bufio.NewReader(r)}
}
return &textDecoder{r: r}
}
// protoDecoder implements the Decoder interface for protocol buffers.
type protoDecoder struct {
r io.Reader
r protodelim.Reader
}
// Decode implements the Decoder interface.
func (d *protoDecoder) Decode(v *dto.MetricFamily) error {
_, err := pbutil.ReadDelimited(d.r, v)
if err != nil {
opts := protodelim.UnmarshalOptions{
MaxSize: -1,
}
if err := opts.UnmarshalFrom(d.r, v); err != nil {
return err
}
if !model.IsValidMetricName(model.LabelValue(v.GetName())) {

87
vendor/github.com/prometheus/common/expfmt/encode.go generated vendored
View File

@@ -18,10 +18,13 @@ import (
"io"
"net/http"
"github.com/matttproud/golang_protobuf_extensions/pbutil"
"github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg"
"google.golang.org/protobuf/encoding/protodelim"
"google.golang.org/protobuf/encoding/prototext"
"github.com/prometheus/common/model"
"github.com/munnerz/goautoneg"
dto "github.com/prometheus/client_model/go"
)
@@ -60,23 +63,32 @@ func (ec encoderCloser) Close() error {
// as the support is still experimental. To include the option to negotiate
// FmtOpenMetrics, use NegotiateOpenMetrics.
func Negotiate(h http.Header) Format {
escapingScheme := Format(fmt.Sprintf("; escaping=%s", Format(model.NameEscapingScheme.String())))
for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) {
if escapeParam := ac.Params[model.EscapingKey]; escapeParam != "" {
switch Format(escapeParam) {
case model.AllowUTF8, model.EscapeUnderscores, model.EscapeDots, model.EscapeValues:
escapingScheme = Format(fmt.Sprintf("; escaping=%s", escapeParam))
default:
// If the escaping parameter is unknown, ignore it.
}
}
ver := ac.Params["version"]
if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
switch ac.Params["encoding"] {
case "delimited":
return FmtProtoDelim
return fmtProtoDelim + escapingScheme
case "text":
return FmtProtoText
return fmtProtoText + escapingScheme
case "compact-text":
return FmtProtoCompact
return fmtProtoCompact + escapingScheme
}
}
if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
return FmtText
return fmtText + escapingScheme
}
}
return FmtText
return fmtText + escapingScheme
}
// NegotiateIncludingOpenMetrics works like Negotiate but includes
@@ -84,29 +96,40 @@ func Negotiate(h http.Header) Format {
// temporary and will disappear once FmtOpenMetrics is fully supported and as
// such may be negotiated by the normal Negotiate function.
func NegotiateIncludingOpenMetrics(h http.Header) Format {
escapingScheme := Format(fmt.Sprintf("; escaping=%s", Format(model.NameEscapingScheme.String())))
for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) {
if escapeParam := ac.Params[model.EscapingKey]; escapeParam != "" {
switch Format(escapeParam) {
case model.AllowUTF8, model.EscapeUnderscores, model.EscapeDots, model.EscapeValues:
escapingScheme = Format(fmt.Sprintf("; escaping=%s", escapeParam))
default:
// If the escaping parameter is unknown, ignore it.
}
}
ver := ac.Params["version"]
if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
switch ac.Params["encoding"] {
case "delimited":
return FmtProtoDelim
return fmtProtoDelim + escapingScheme
case "text":
return FmtProtoText
return fmtProtoText + escapingScheme
case "compact-text":
return FmtProtoCompact
return fmtProtoCompact + escapingScheme
}
}
if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
return FmtText
return fmtText + escapingScheme
}
if ac.Type+"/"+ac.SubType == OpenMetricsType && (ver == OpenMetricsVersion_0_0_1 || ver == OpenMetricsVersion_1_0_0 || ver == "") {
if ver == OpenMetricsVersion_1_0_0 {
return FmtOpenMetrics_1_0_0
switch ver {
case OpenMetricsVersion_1_0_0:
return fmtOpenMetrics_1_0_0 + escapingScheme
default:
return fmtOpenMetrics_0_0_1 + escapingScheme
}
return FmtOpenMetrics_0_0_1
}
}
return FmtText
return fmtText + escapingScheme
}
// NewEncoder returns a new encoder based on content type negotiation. All
@@ -115,44 +138,54 @@ func NegotiateIncludingOpenMetrics(h http.Header) Format {
// for FmtOpenMetrics, but a future (breaking) release will add the Close method
// to the Encoder interface directly. The current version of the Encoder
// interface is kept for backwards compatibility.
func NewEncoder(w io.Writer, format Format) Encoder {
switch format {
case FmtProtoDelim:
// In cases where the Format does not allow for UTF-8 names, the global
// NameEscapingScheme will be applied.
//
// NewEncoder can be called with additional options to customize the OpenMetrics text output.
// For example:
// NewEncoder(w, FmtOpenMetrics_1_0_0, WithCreatedLines())
//
// Extra options are ignored for all other formats.
func NewEncoder(w io.Writer, format Format, options ...EncoderOption) Encoder {
escapingScheme := format.ToEscapingScheme()
switch format.FormatType() {
case TypeProtoDelim:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := pbutil.WriteDelimited(w, v)
_, err := protodelim.MarshalTo(w, v)
return err
},
close: func() error { return nil },
}
case FmtProtoCompact:
case TypeProtoCompact:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := fmt.Fprintln(w, v.String())
_, err := fmt.Fprintln(w, model.EscapeMetricFamily(v, escapingScheme).String())
return err
},
close: func() error { return nil },
}
case FmtProtoText:
case TypeProtoText:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := fmt.Fprintln(w, prototext.Format(v))
_, err := fmt.Fprintln(w, prototext.Format(model.EscapeMetricFamily(v, escapingScheme)))
return err
},
close: func() error { return nil },
}
case FmtText:
case TypeTextPlain:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := MetricFamilyToText(w, v)
_, err := MetricFamilyToText(w, model.EscapeMetricFamily(v, escapingScheme))
return err
},
close: func() error { return nil },
}
case FmtOpenMetrics_0_0_1, FmtOpenMetrics_1_0_0:
case TypeOpenMetrics:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := MetricFamilyToOpenMetrics(w, v)
_, err := MetricFamilyToOpenMetrics(w, model.EscapeMetricFamily(v, escapingScheme), options...)
return err
},
close: func() error {

154
vendor/github.com/prometheus/common/expfmt/expfmt.go generated vendored
View File

@@ -14,30 +14,164 @@
// Package expfmt contains tools for reading and writing Prometheus metrics.
package expfmt
import (
"fmt"
"strings"
"github.com/prometheus/common/model"
)
// Format specifies the HTTP content type of the different wire protocols.
type Format string
// Constants to assemble the Content-Type values for the different wire protocols.
// Constants to assemble the Content-Type values for the different wire
// protocols. The Content-Type strings here are all for the legacy exposition
// formats, where valid characters for metric names and label names are limited.
// Support for arbitrary UTF-8 characters in those names is already partially
// implemented in this module (see model.ValidationScheme), but to actually use
// it on the wire, new content-type strings will have to be agreed upon and
// added here.
const (
TextVersion = "0.0.4"
ProtoType = `application/vnd.google.protobuf`
ProtoProtocol = `io.prometheus.client.MetricFamily`
ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
protoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
OpenMetricsType = `application/openmetrics-text`
OpenMetricsVersion_0_0_1 = "0.0.1"
OpenMetricsVersion_1_0_0 = "1.0.0"
// The Content-Type values for the different wire protocols.
FmtUnknown Format = `<unknown>`
FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
FmtProtoDelim Format = ProtoFmt + ` encoding=delimited`
FmtProtoText Format = ProtoFmt + ` encoding=text`
FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text`
FmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8`
FmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8`
// The Content-Type values for the different wire protocols. Note that these
// values are now unexported. If code was relying on comparisons to these
// constants, instead use FormatType().
fmtUnknown Format = `<unknown>`
fmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
fmtProtoDelim Format = protoFmt + ` encoding=delimited`
fmtProtoText Format = protoFmt + ` encoding=text`
fmtProtoCompact Format = protoFmt + ` encoding=compact-text`
fmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8`
fmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8`
)
const (
hdrContentType = "Content-Type"
hdrAccept = "Accept"
)
// FormatType is a Go enum representing the overall category for the given
// Format. As the number of Format permutations increases, doing basic string
// comparisons are not feasible, so this enum captures the most useful
// high-level attribute of the Format string.
type FormatType int
const (
TypeUnknown FormatType = iota
TypeProtoCompact
TypeProtoDelim
TypeProtoText
TypeTextPlain
TypeOpenMetrics
)
// NewFormat generates a new Format from the type provided. Mostly used for
// tests, most Formats should be generated as part of content negotiation in
// encode.go. If a type has more than one version, the latest version will be
// returned.
func NewFormat(t FormatType) Format {
switch t {
case TypeProtoCompact:
return fmtProtoCompact
case TypeProtoDelim:
return fmtProtoDelim
case TypeProtoText:
return fmtProtoText
case TypeTextPlain:
return fmtText
case TypeOpenMetrics:
return fmtOpenMetrics_1_0_0
default:
return fmtUnknown
}
}
// NewOpenMetricsFormat generates a new OpenMetrics format matching the
// specified version number.
func NewOpenMetricsFormat(version string) (Format, error) {
if version == OpenMetricsVersion_0_0_1 {
return fmtOpenMetrics_0_0_1, nil
}
if version == OpenMetricsVersion_1_0_0 {
return fmtOpenMetrics_1_0_0, nil
}
return fmtUnknown, fmt.Errorf("unknown open metrics version string")
}
// FormatType deduces an overall FormatType for the given format.
func (f Format) FormatType() FormatType {
toks := strings.Split(string(f), ";")
params := make(map[string]string)
for i, t := range toks {
if i == 0 {
continue
}
args := strings.Split(t, "=")
if len(args) != 2 {
continue
}
params[strings.TrimSpace(args[0])] = strings.TrimSpace(args[1])
}
switch strings.TrimSpace(toks[0]) {
case ProtoType:
if params["proto"] != ProtoProtocol {
return TypeUnknown
}
switch params["encoding"] {
case "delimited":
return TypeProtoDelim
case "text":
return TypeProtoText
case "compact-text":
return TypeProtoCompact
default:
return TypeUnknown
}
case OpenMetricsType:
if params["charset"] != "utf-8" {
return TypeUnknown
}
return TypeOpenMetrics
case "text/plain":
v, ok := params["version"]
if !ok {
return TypeTextPlain
}
if v == TextVersion {
return TypeTextPlain
}
return TypeUnknown
default:
return TypeUnknown
}
}
// ToEscapingScheme returns an EscapingScheme depending on the Format. Iff the
// Format contains a escaping=allow-utf-8 term, it will select NoEscaping. If a valid
// "escaping" term exists, that will be used. Otherwise, the global default will
// be returned.
func (format Format) ToEscapingScheme() model.EscapingScheme {
for _, p := range strings.Split(string(format), ";") {
toks := strings.Split(p, "=")
if len(toks) != 2 {
continue
}
key, value := strings.TrimSpace(toks[0]), strings.TrimSpace(toks[1])
if key == model.EscapingKey {
scheme, err := model.ToEscapingScheme(value)
if err != nil {
return model.NameEscapingScheme
}
return scheme
}
}
return model.NameEscapingScheme
}

283
vendor/github.com/prometheus/common/expfmt/openmetrics_create.go generated vendored
View File

@@ -22,11 +22,47 @@ import (
"strconv"
"strings"
"google.golang.org/protobuf/types/known/timestamppb"
"github.com/prometheus/common/model"
dto "github.com/prometheus/client_model/go"
)
type encoderOption struct {
withCreatedLines bool
withUnit bool
}
type EncoderOption func(*encoderOption)
// WithCreatedLines is an EncoderOption that configures the OpenMetrics encoder
// to include _created lines (See
// https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#counter-1).
// Created timestamps can improve the accuracy of series reset detection, but
// come with a bandwidth cost.
//
// At the time of writing, created timestamp ingestion is still experimental in
// Prometheus and need to be enabled with the feature-flag
// `--feature-flag=created-timestamp-zero-ingestion`, and breaking changes are
// still possible. Therefore, it is recommended to use this feature with caution.
func WithCreatedLines() EncoderOption {
return func(t *encoderOption) {
t.withCreatedLines = true
}
}
// WithUnit is an EncoderOption enabling a set unit to be written to the output
// and to be added to the metric name, if it's not there already, as a suffix.
// Without opting in this way, the unit will not be added to the metric name and,
// on top of that, the unit will not be passed onto the output, even if it
// were declared in the *dto.MetricFamily struct, i.e. even if in.Unit !=nil.
func WithUnit() EncoderOption {
return func(t *encoderOption) {
t.withUnit = true
}
}
// MetricFamilyToOpenMetrics converts a MetricFamily proto message into the
// OpenMetrics text format and writes the resulting lines to 'out'. It returns
// the number of bytes written and any error encountered. The output will have
@@ -35,6 +71,18 @@ import (
// sanity checks. If the input contains duplicate metrics or invalid metric or
// label names, the conversion will result in invalid text format output.
//
// If metric names conform to the legacy validation pattern, they will be placed
// outside the brackets in the traditional way, like `foo{}`. If the metric name
// fails the legacy validation check, it will be placed quoted inside the
// brackets: `{"foo"}`. As stated above, the input is assumed to be santized and
// no error will be thrown in this case.
//
// Similar to metric names, if label names conform to the legacy validation
// pattern, they will be unquoted as normal, like `foo{bar="baz"}`. If the label
// name fails the legacy validation check, it will be quoted:
// `foo{"bar"="baz"}`. As stated above, the input is assumed to be santized and
// no error will be thrown in this case.
//
// This function fulfills the type 'expfmt.encoder'.
//
// Note that OpenMetrics requires a final `# EOF` line. Since this function acts
@@ -47,20 +95,34 @@ import (
// Prometheus to OpenMetrics or vice versa:
//
// - Counters are expected to have the `_total` suffix in their metric name. In
// the output, the suffix will be truncated from the `# TYPE` and `# HELP`
// line. A counter with a missing `_total` suffix is not an error. However,
// the output, the suffix will be truncated from the `# TYPE`, `# HELP` and `# UNIT`
// lines. A counter with a missing `_total` suffix is not an error. However,
// its type will be set to `unknown` in that case to avoid invalid OpenMetrics
// output.
//
// - No support for the following (optional) features: `# UNIT` line, `_created`
// line, info type, stateset type, gaugehistogram type.
// - According to the OM specs, the `# UNIT` line is optional, but if populated,
// the unit has to be present in the metric name as its suffix:
// (see https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#unit).
// However, in order to accommodate any potential scenario where such a change in the
// metric name is not desirable, the users are here given the choice of either explicitly
// opt in, in case they wish for the unit to be included in the output AND in the metric name
// as a suffix (see the description of the WithUnit function above),
// or not to opt in, in case they don't want for any of that to happen.
//
// - No support for the following (optional) features: info type,
// stateset type, gaugehistogram type.
//
// - The size of exemplar labels is not checked (i.e. it's possible to create
// exemplars that are larger than allowed by the OpenMetrics specification).
//
// - The value of Counters is not checked. (OpenMetrics doesn't allow counters
// with a `NaN` value.)
func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int, err error) {
func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily, options ...EncoderOption) (written int, err error) {
toOM := encoderOption{}
for _, option := range options {
option(&toOM)
}
name := in.GetName()
if name == "" {
return 0, fmt.Errorf("MetricFamily has no name: %s", in)
@@ -83,12 +145,15 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
}
var (
n int
metricType = in.GetType()
shortName = name
n int
metricType = in.GetType()
compliantName = name
)
if metricType == dto.MetricType_COUNTER && strings.HasSuffix(shortName, "_total") {
shortName = name[:len(name)-6]
if metricType == dto.MetricType_COUNTER && strings.HasSuffix(compliantName, "_total") {
compliantName = name[:len(name)-6]
}
if toOM.withUnit && in.Unit != nil && !strings.HasSuffix(compliantName, fmt.Sprintf("_%s", *in.Unit)) {
compliantName = compliantName + fmt.Sprintf("_%s", *in.Unit)
}
// Comments, first HELP, then TYPE.
@@ -98,7 +163,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
if err != nil {
return
}
n, err = w.WriteString(shortName)
n, err = writeName(w, compliantName)
written += n
if err != nil {
return
@@ -124,7 +189,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
if err != nil {
return
}
n, err = w.WriteString(shortName)
n, err = writeName(w, compliantName)
written += n
if err != nil {
return
@@ -151,55 +216,89 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
if err != nil {
return
}
if toOM.withUnit && in.Unit != nil {
n, err = w.WriteString("# UNIT ")
written += n
if err != nil {
return
}
n, err = writeName(w, compliantName)
written += n
if err != nil {
return
}
err = w.WriteByte(' ')
written++
if err != nil {
return
}
n, err = writeEscapedString(w, *in.Unit, true)
written += n
if err != nil {
return
}
err = w.WriteByte('\n')
written++
if err != nil {
return
}
}
var createdTsBytesWritten int
// Finally the samples, one line for each.
if metricType == dto.MetricType_COUNTER && strings.HasSuffix(name, "_total") {
compliantName = compliantName + "_total"
}
for _, metric := range in.Metric {
switch metricType {
case dto.MetricType_COUNTER:
if metric.Counter == nil {
return written, fmt.Errorf(
"expected counter in metric %s %s", name, metric,
"expected counter in metric %s %s", compliantName, metric,
)
}
// Note that we have ensured above that either the name
// ends on `_total` or that the rendered type is
// `unknown`. Therefore, no `_total` must be added here.
n, err = writeOpenMetricsSample(
w, name, "", metric, "", 0,
w, compliantName, "", metric, "", 0,
metric.Counter.GetValue(), 0, false,
metric.Counter.Exemplar,
)
if toOM.withCreatedLines && metric.Counter.CreatedTimestamp != nil {
createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "_total", metric, "", 0, metric.Counter.GetCreatedTimestamp())
n += createdTsBytesWritten
}
case dto.MetricType_GAUGE:
if metric.Gauge == nil {
return written, fmt.Errorf(
"expected gauge in metric %s %s", name, metric,
"expected gauge in metric %s %s", compliantName, metric,
)
}
n, err = writeOpenMetricsSample(
w, name, "", metric, "", 0,
w, compliantName, "", metric, "", 0,
metric.Gauge.GetValue(), 0, false,
nil,
)
case dto.MetricType_UNTYPED:
if metric.Untyped == nil {
return written, fmt.Errorf(
"expected untyped in metric %s %s", name, metric,
"expected untyped in metric %s %s", compliantName, metric,
)
}
n, err = writeOpenMetricsSample(
w, name, "", metric, "", 0,
w, compliantName, "", metric, "", 0,
metric.Untyped.GetValue(), 0, false,
nil,
)
case dto.MetricType_SUMMARY:
if metric.Summary == nil {
return written, fmt.Errorf(
"expected summary in metric %s %s", name, metric,
"expected summary in metric %s %s", compliantName, metric,
)
}
for _, q := range metric.Summary.Quantile {
n, err = writeOpenMetricsSample(
w, name, "", metric,
w, compliantName, "", metric,
model.QuantileLabel, q.GetQuantile(),
q.GetValue(), 0, false,
nil,
@@ -210,7 +309,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
}
}
n, err = writeOpenMetricsSample(
w, name, "_sum", metric, "", 0,
w, compliantName, "_sum", metric, "", 0,
metric.Summary.GetSampleSum(), 0, false,
nil,
)
@@ -219,20 +318,24 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
return
}
n, err = writeOpenMetricsSample(
w, name, "_count", metric, "", 0,
w, compliantName, "_count", metric, "", 0,
0, metric.Summary.GetSampleCount(), true,
nil,
)
if toOM.withCreatedLines && metric.Summary.CreatedTimestamp != nil {
createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "", metric, "", 0, metric.Summary.GetCreatedTimestamp())
n += createdTsBytesWritten
}
case dto.MetricType_HISTOGRAM:
if metric.Histogram == nil {
return written, fmt.Errorf(
"expected histogram in metric %s %s", name, metric,
"expected histogram in metric %s %s", compliantName, metric,
)
}
infSeen := false
for _, b := range metric.Histogram.Bucket {
n, err = writeOpenMetricsSample(
w, name, "_bucket", metric,
w, compliantName, "_bucket", metric,
model.BucketLabel, b.GetUpperBound(),
0, b.GetCumulativeCount(), true,
b.Exemplar,
@@ -247,7 +350,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
}
if !infSeen {
n, err = writeOpenMetricsSample(
w, name, "_bucket", metric,
w, compliantName, "_bucket", metric,
model.BucketLabel, math.Inf(+1),
0, metric.Histogram.GetSampleCount(), true,
nil,
@@ -258,7 +361,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
}
}
n, err = writeOpenMetricsSample(
w, name, "_sum", metric, "", 0,
w, compliantName, "_sum", metric, "", 0,
metric.Histogram.GetSampleSum(), 0, false,
nil,
)
@@ -267,13 +370,17 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
return
}
n, err = writeOpenMetricsSample(
w, name, "_count", metric, "", 0,
w, compliantName, "_count", metric, "", 0,
0, metric.Histogram.GetSampleCount(), true,
nil,
)
if toOM.withCreatedLines && metric.Histogram.CreatedTimestamp != nil {
createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "", metric, "", 0, metric.Histogram.GetCreatedTimestamp())
n += createdTsBytesWritten
}
default:
return written, fmt.Errorf(
"unexpected type in metric %s %s", name, metric,
"unexpected type in metric %s %s", compliantName, metric,
)
}
written += n
@@ -303,21 +410,9 @@ func writeOpenMetricsSample(
floatValue float64, intValue uint64, useIntValue bool,
exemplar *dto.Exemplar,
) (int, error) {
var written int
n, err := w.WriteString(name)
written += n
if err != nil {
return written, err
}
if suffix != "" {
n, err = w.WriteString(suffix)
written += n
if err != nil {
return written, err
}
}
n, err = writeOpenMetricsLabelPairs(
w, metric.Label, additionalLabelName, additionalLabelValue,
written := 0
n, err := writeOpenMetricsNameAndLabelPairs(
w, name+suffix, metric.Label, additionalLabelName, additionalLabelValue,
)
written += n
if err != nil {
@@ -350,7 +445,7 @@ func writeOpenMetricsSample(
return written, err
}
}
if exemplar != nil {
if exemplar != nil && len(exemplar.Label) > 0 {
n, err = writeExemplar(w, exemplar)
written += n
if err != nil {
@@ -365,27 +460,58 @@ func writeOpenMetricsSample(
return written, nil
}
// writeOpenMetricsLabelPairs works like writeOpenMetrics but formats the float
// in OpenMetrics style.
func writeOpenMetricsLabelPairs(
// writeOpenMetricsNameAndLabelPairs works like writeOpenMetricsSample but
// formats the float in OpenMetrics style.
func writeOpenMetricsNameAndLabelPairs(
w enhancedWriter,
name string,
in []*dto.LabelPair,
additionalLabelName string, additionalLabelValue float64,
) (int, error) {
if len(in) == 0 && additionalLabelName == "" {
return 0, nil
}
var (
written int
separator byte = '{'
written int
separator byte = '{'
metricInsideBraces = false
)
if name != "" {
// If the name does not pass the legacy validity check, we must put the
// metric name inside the braces, quoted.
if !model.IsValidLegacyMetricName(model.LabelValue(name)) {
metricInsideBraces = true
err := w.WriteByte(separator)
written++
if err != nil {
return written, err
}
separator = ','
}
n, err := writeName(w, name)
written += n
if err != nil {
return written, err
}
}
if len(in) == 0 && additionalLabelName == "" {
if metricInsideBraces {
err := w.WriteByte('}')
written++
if err != nil {
return written, err
}
}
return written, nil
}
for _, lp := range in {
err := w.WriteByte(separator)
written++
if err != nil {
return written, err
}
n, err := w.WriteString(lp.GetName())
n, err := writeName(w, lp.GetName())
written += n
if err != nil {
return written, err
@@ -442,6 +568,49 @@ func writeOpenMetricsLabelPairs(
return written, nil
}
// writeOpenMetricsCreated writes the created timestamp for a single time series
// following OpenMetrics text format to w, given the metric name, the metric proto
// message itself, optionally a suffix to be removed, e.g. '_total' for counters,
// an additional label name with a float64 value (use empty string as label name if
// not required) and the timestamp that represents the created timestamp.
// The function returns the number of bytes written and any error encountered.
func writeOpenMetricsCreated(w enhancedWriter,
name, suffixToTrim string, metric *dto.Metric,
additionalLabelName string, additionalLabelValue float64,
createdTimestamp *timestamppb.Timestamp,
) (int, error) {
written := 0
n, err := writeOpenMetricsNameAndLabelPairs(
w, strings.TrimSuffix(name, suffixToTrim)+"_created", metric.Label, additionalLabelName, additionalLabelValue,
)
written += n
if err != nil {
return written, err
}
err = w.WriteByte(' ')
written++
if err != nil {
return written, err
}
// TODO(beorn7): Format this directly from components of ts to
// avoid overflow/underflow and precision issues of the float
// conversion.
n, err = writeOpenMetricsFloat(w, float64(createdTimestamp.AsTime().UnixNano())/1e9)
written += n
if err != nil {
return written, err
}
err = w.WriteByte('\n')
written++
if err != nil {
return written, err
}
return written, nil
}
// writeExemplar writes the provided exemplar in OpenMetrics format to w. The
// function returns the number of bytes written and any error encountered.
func writeExemplar(w enhancedWriter, e *dto.Exemplar) (int, error) {
@@ -451,7 +620,7 @@ func writeExemplar(w enhancedWriter, e *dto.Exemplar) (int, error) {
if err != nil {
return written, err
}
n, err = writeOpenMetricsLabelPairs(w, e.Label, "", 0)
n, err = writeOpenMetricsNameAndLabelPairs(w, "", e.Label, "", 0)
written += n
if err != nil {
return written, err

118
vendor/github.com/prometheus/common/expfmt/text_create.go generated vendored
View File

@@ -62,6 +62,18 @@ var (
// contains duplicate metrics or invalid metric or label names, the conversion
// will result in invalid text format output.
//
// If metric names conform to the legacy validation pattern, they will be placed
// outside the brackets in the traditional way, like `foo{}`. If the metric name
// fails the legacy validation check, it will be placed quoted inside the
// brackets: `{"foo"}`. As stated above, the input is assumed to be santized and
// no error will be thrown in this case.
//
// Similar to metric names, if label names conform to the legacy validation
// pattern, they will be unquoted as normal, like `foo{bar="baz"}`. If the label
// name fails the legacy validation check, it will be quoted:
// `foo{"bar"="baz"}`. As stated above, the input is assumed to be santized and
// no error will be thrown in this case.
//
// This method fulfills the type 'prometheus.encoder'.
func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err error) {
// Fail-fast checks.
@@ -98,7 +110,7 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
if err != nil {
return
}
n, err = w.WriteString(name)
n, err = writeName(w, name)
written += n
if err != nil {
return
@@ -124,7 +136,7 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
if err != nil {
return
}
n, err = w.WriteString(name)
n, err = writeName(w, name)
written += n
if err != nil {
return
@@ -280,21 +292,9 @@ func writeSample(
additionalLabelName string, additionalLabelValue float64,
value float64,
) (int, error) {
var written int
n, err := w.WriteString(name)
written += n
if err != nil {
return written, err
}
if suffix != "" {
n, err = w.WriteString(suffix)
written += n
if err != nil {
return written, err
}
}
n, err = writeLabelPairs(
w, metric.Label, additionalLabelName, additionalLabelValue,
written := 0
n, err := writeNameAndLabelPairs(
w, name+suffix, metric.Label, additionalLabelName, additionalLabelValue,
)
written += n
if err != nil {
@@ -330,32 +330,64 @@ func writeSample(
return written, nil
}
// writeLabelPairs converts a slice of LabelPair proto messages plus the
// explicitly given additional label pair into text formatted as required by the
// text format and writes it to 'w'. An empty slice in combination with an empty
// string 'additionalLabelName' results in nothing being written. Otherwise, the
// label pairs are written, escaped as required by the text format, and enclosed
// in '{...}'. The function returns the number of bytes written and any error
// encountered.
func writeLabelPairs(
// writeNameAndLabelPairs converts a slice of LabelPair proto messages plus the
// explicitly given metric name and additional label pair into text formatted as
// required by the text format and writes it to 'w'. An empty slice in
// combination with an empty string 'additionalLabelName' results in nothing
// being written. Otherwise, the label pairs are written, escaped as required by
// the text format, and enclosed in '{...}'. The function returns the number of
// bytes written and any error encountered. If the metric name is not
// legacy-valid, it will be put inside the brackets as well. Legacy-invalid
// label names will also be quoted.
func writeNameAndLabelPairs(
w enhancedWriter,
name string,
in []*dto.LabelPair,
additionalLabelName string, additionalLabelValue float64,
) (int, error) {
if len(in) == 0 && additionalLabelName == "" {
return 0, nil
}
var (
written int
separator byte = '{'
written int
separator byte = '{'
metricInsideBraces = false
)
if name != "" {
// If the name does not pass the legacy validity check, we must put the
// metric name inside the braces.
if !model.IsValidLegacyMetricName(model.LabelValue(name)) {
metricInsideBraces = true
err := w.WriteByte(separator)
written++
if err != nil {
return written, err
}
separator = ','
}
n, err := writeName(w, name)
written += n
if err != nil {
return written, err
}
}
if len(in) == 0 && additionalLabelName == "" {
if metricInsideBraces {
err := w.WriteByte('}')
written++
if err != nil {
return written, err
}
}
return written, nil
}
for _, lp := range in {
err := w.WriteByte(separator)
written++
if err != nil {
return written, err
}
n, err := w.WriteString(lp.GetName())
n, err := writeName(w, lp.GetName())
written += n
if err != nil {
return written, err
@@ -462,3 +494,27 @@ func writeInt(w enhancedWriter, i int64) (int, error) {
numBufPool.Put(bp)
return written, err
}
// writeName writes a string as-is if it complies with the legacy naming
// scheme, or escapes it in double quotes if not.
func writeName(w enhancedWriter, name string) (int, error) {
if model.IsValidLegacyMetricName(model.LabelValue(name)) {
return w.WriteString(name)
}
var written int
var err error
err = w.WriteByte('"')
written++
if err != nil {
return written, err
}
var n int
n, err = writeEscapedString(w, name, true)
written += n
if err != nil {
return written, err
}
err = w.WriteByte('"')
written++
return written, err
}

8
vendor/github.com/prometheus/common/expfmt/text_parse.go generated vendored
View File

@@ -16,6 +16,7 @@ package expfmt
import (
"bufio"
"bytes"
"errors"
"fmt"
"io"
"math"
@@ -24,8 +25,9 @@ import (
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/common/model"
"google.golang.org/protobuf/proto"
"github.com/prometheus/common/model"
)
// A stateFn is a function that represents a state in a state machine. By
@@ -112,7 +114,7 @@ func (p *TextParser) TextToMetricFamilies(in io.Reader) (map[string]*dto.MetricF
// stream. Turn this error into something nicer and more
// meaningful. (io.EOF is often used as a signal for the legitimate end
// of an input stream.)
if p.err == io.EOF {
if p.err != nil && errors.Is(p.err, io.EOF) {
p.parseError("unexpected end of input stream")
}
return p.metricFamiliesByName, p.err
@@ -146,7 +148,7 @@ func (p *TextParser) startOfLine() stateFn {
// which is not an error but the signal that we are done.
// Any other error that happens to align with the start of
// a line is still an error.
if p.err == io.EOF {
if errors.Is(p.err, io.EOF) {
p.err = nil
}
return nil

67
vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt generated vendored
View File

@@ -1,67 +0,0 @@
PACKAGE
package goautoneg
import "bitbucket.org/ww/goautoneg"
HTTP Content-Type Autonegotiation.
The functions in this package implement the behaviour specified in
http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
Copyright (c) 2011, Open Knowledge Foundation Ltd.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
Neither the name of the Open Knowledge Foundation Ltd. nor the
names of its contributors may be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
FUNCTIONS
func Negotiate(header string, alternatives []string) (content_type string)
Negotiate the most appropriate content_type given the accept header
and a list of alternatives.
func ParseAccept(header string) (accept []Accept)
Parse an Accept Header string returning a sorted list
of clauses
TYPES
type Accept struct {
Type, SubType string
Q float32
Params map[string]string
}
Structure to represent a clause in an HTTP Accept Header
SUBDIRECTORIES
.hg

160
vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go generated vendored
View File

@@ -1,160 +0,0 @@
/*
Copyright (c) 2011, Open Knowledge Foundation Ltd.
All rights reserved.
HTTP Content-Type Autonegotiation.
The functions in this package implement the behaviour specified in
http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
Neither the name of the Open Knowledge Foundation Ltd. nor the
names of its contributors may be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package goautoneg
import (
"sort"
"strconv"
"strings"
)
// Structure to represent a clause in an HTTP Accept Header
type Accept struct {
Type, SubType string
Q float64
Params map[string]string
}
// For internal use, so that we can use the sort interface
type accept_slice []Accept
func (accept accept_slice) Len() int {
slice := []Accept(accept)
return len(slice)
}
func (accept accept_slice) Less(i, j int) bool {
slice := []Accept(accept)
ai, aj := slice[i], slice[j]
if ai.Q > aj.Q {
return true
}
if ai.Type != "*" && aj.Type == "*" {
return true
}
if ai.SubType != "*" && aj.SubType == "*" {
return true
}
return false
}
func (accept accept_slice) Swap(i, j int) {
slice := []Accept(accept)
slice[i], slice[j] = slice[j], slice[i]
}
// Parse an Accept Header string returning a sorted list
// of clauses
func ParseAccept(header string) (accept []Accept) {
parts := strings.Split(header, ",")
accept = make([]Accept, 0, len(parts))
for _, part := range parts {
part := strings.Trim(part, " ")
a := Accept{}
a.Params = make(map[string]string)
a.Q = 1.0
mrp := strings.Split(part, ";")
media_range := mrp[0]
sp := strings.Split(media_range, "/")
a.Type = strings.Trim(sp[0], " ")
switch {
case len(sp) == 1 && a.Type == "*":
a.SubType = "*"
case len(sp) == 2:
a.SubType = strings.Trim(sp[1], " ")
default:
continue
}
if len(mrp) == 1 {
accept = append(accept, a)
continue
}
for _, param := range mrp[1:] {
sp := strings.SplitN(param, "=", 2)
if len(sp) != 2 {
continue
}
token := strings.Trim(sp[0], " ")
if token == "q" {
a.Q, _ = strconv.ParseFloat(sp[1], 32)
} else {
a.Params[token] = strings.Trim(sp[1], " ")
}
}
accept = append(accept, a)
}
slice := accept_slice(accept)
sort.Sort(slice)
return
}
// Negotiate the most appropriate content_type given the accept header
// and a list of alternatives.
func Negotiate(header string, alternatives []string) (content_type string) {
asp := make([][]string, 0, len(alternatives))
for _, ctype := range alternatives {
asp = append(asp, strings.SplitN(ctype, "/", 2))
}
for _, clause := range ParseAccept(header) {
for i, ctsp := range asp {
if clause.Type == ctsp[0] && clause.SubType == ctsp[1] {
content_type = alternatives[i]
return
}
if clause.Type == ctsp[0] && clause.SubType == "*" {
content_type = alternatives[i]
return
}
if clause.Type == "*" && clause.SubType == "*" {
content_type = alternatives[i]
return
}
}
}
return
}

31
vendor/github.com/prometheus/common/model/alert.go generated vendored
View File

@@ -75,7 +75,12 @@ func (a *Alert) ResolvedAt(ts time.Time) bool {
// Status returns the status of the alert.
func (a *Alert) Status() AlertStatus {
if a.Resolved() {
return a.StatusAt(time.Now())
}
// StatusAt returns the status of the alert at the given timestamp.
func (a *Alert) StatusAt(ts time.Time) AlertStatus {
if a.ResolvedAt(ts) {
return AlertResolved
}
return AlertFiring
@@ -90,13 +95,13 @@ func (a *Alert) Validate() error {
return fmt.Errorf("start time must be before end time")
}
if err := a.Labels.Validate(); err != nil {
return fmt.Errorf("invalid label set: %s", err)
return fmt.Errorf("invalid label set: %w", err)
}
if len(a.Labels) == 0 {
return fmt.Errorf("at least one label pair required")
}
if err := a.Annotations.Validate(); err != nil {
return fmt.Errorf("invalid annotations: %s", err)
return fmt.Errorf("invalid annotations: %w", err)
}
return nil
}
@@ -127,6 +132,17 @@ func (as Alerts) HasFiring() bool {
return false
}
// HasFiringAt returns true iff one of the alerts is not resolved
// at the time ts.
func (as Alerts) HasFiringAt(ts time.Time) bool {
for _, a := range as {
if !a.ResolvedAt(ts) {
return true
}
}
return false
}
// Status returns StatusFiring iff at least one of the alerts is firing.
func (as Alerts) Status() AlertStatus {
if as.HasFiring() {
@@ -134,3 +150,12 @@ func (as Alerts) Status() AlertStatus {
}
return AlertResolved
}
// StatusAt returns StatusFiring iff at least one of the alerts is firing
// at the time ts.
func (as Alerts) StatusAt(ts time.Time) AlertStatus {
if as.HasFiringAt(ts) {
return AlertFiring
}
return AlertResolved
}

22
vendor/github.com/prometheus/common/model/labels.go generated vendored
View File

@@ -97,17 +97,25 @@ var LabelNameRE = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]*$")
// therewith.
type LabelName string
// IsValid is true iff the label name matches the pattern of LabelNameRE. This
// method, however, does not use LabelNameRE for the check but a much faster
// hardcoded implementation.
// IsValid returns true iff name matches the pattern of LabelNameRE for legacy
// names, and iff it's valid UTF-8 if NameValidationScheme is set to
// UTF8Validation. For the legacy matching, it does not use LabelNameRE for the
// check but a much faster hardcoded implementation.
func (ln LabelName) IsValid() bool {
if len(ln) == 0 {
return false
}
for i, b := range ln {
if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) {
return false
switch NameValidationScheme {
case LegacyValidation:
for i, b := range ln {
if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) {
return false
}
}
case UTF8Validation:
return utf8.ValidString(string(ln))
default:
panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme))
}
return true
}
@@ -164,7 +172,7 @@ func (l LabelNames) String() string {
// A LabelValue is an associated value for a LabelName.
type LabelValue string
// IsValid returns true iff the string is a valid UTF8.
// IsValid returns true iff the string is a valid UTF-8.
func (lv LabelValue) IsValid() bool {
return utf8.ValidString(string(lv))
}

11
vendor/github.com/prometheus/common/model/labelset.go generated vendored
View File

@@ -17,7 +17,6 @@ import (
"encoding/json"
"fmt"
"sort"
"strings"
)
// A LabelSet is a collection of LabelName and LabelValue pairs. The LabelSet
@@ -129,16 +128,6 @@ func (l LabelSet) Merge(other LabelSet) LabelSet {
return result
}
func (l LabelSet) String() string {
lstrs := make([]string, 0, len(l))
for l, v := range l {
lstrs = append(lstrs, fmt.Sprintf("%s=%q", l, v))
}
sort.Strings(lstrs)
return fmt.Sprintf("{%s}", strings.Join(lstrs, ", "))
}
// Fingerprint returns the LabelSet's fingerprint.
func (ls LabelSet) Fingerprint() Fingerprint {
return labelSetToFingerprint(ls)

45
vendor/github.com/prometheus/common/model/labelset_string.go generated vendored Normal file
View File

@@ -0,0 +1,45 @@
// Copyright 2024 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build go1.21
package model
import (
"bytes"
"slices"
"strconv"
)
// String will look like `{foo="bar", more="less"}`. Names are sorted alphabetically.
func (l LabelSet) String() string {
var lna [32]string // On stack to avoid memory allocation for sorting names.
labelNames := lna[:0]
for name := range l {
labelNames = append(labelNames, string(name))
}
slices.Sort(labelNames)
var bytea [1024]byte // On stack to avoid memory allocation while building the output.
b := bytes.NewBuffer(bytea[:0])
b.WriteByte('{')
for i, name := range labelNames {
if i > 0 {
b.WriteString(", ")
}
b.WriteString(name)
b.WriteByte('=')
b.Write(strconv.AppendQuote(b.AvailableBuffer(), string(l[LabelName(name)])))
}
b.WriteByte('}')
return b.String()
}

39
vendor/github.com/prometheus/common/model/labelset_string_go120.go generated vendored Normal file
View File

@@ -0,0 +1,39 @@
// Copyright 2024 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !go1.21
package model
import (
"fmt"
"sort"
"strings"
)
// String was optimized using functions not available for go 1.20
// or lower. We keep the old implementation for compatibility with client_golang.
// Once client golang drops support for go 1.20 (scheduled for August 2024), this
// file can be removed.
func (l LabelSet) String() string {
labelNames := make([]string, 0, len(l))
for name := range l {
labelNames = append(labelNames, string(name))
}
sort.Strings(labelNames)
lstrs := make([]string, 0, len(l))
for _, name := range labelNames {
lstrs = append(lstrs, fmt.Sprintf("%s=%q", name, l[LabelName(name)]))
}
return fmt.Sprintf("{%s}", strings.Join(lstrs, ", "))
}

28
vendor/github.com/prometheus/common/model/metadata.go generated vendored Normal file
View File

@@ -0,0 +1,28 @@
// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package model
// MetricType represents metric type values.
type MetricType string
const (
MetricTypeCounter = MetricType("counter")
MetricTypeGauge = MetricType("gauge")
MetricTypeHistogram = MetricType("histogram")
MetricTypeGaugeHistogram = MetricType("gaugehistogram")
MetricTypeSummary = MetricType("summary")
MetricTypeInfo = MetricType("info")
MetricTypeStateset = MetricType("stateset")
MetricTypeUnknown = MetricType("unknown")
)

369
vendor/github.com/prometheus/common/model/metric.go generated vendored
View File

@@ -18,15 +18,84 @@ import (
"regexp"
"sort"
"strings"
"unicode/utf8"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/proto"
)
var (
// MetricNameRE is a regular expression matching valid metric
// names. Note that the IsValidMetricName function performs the same
// check but faster than a match with this regular expression.
MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`)
// NameValidationScheme determines the method of name validation to be used by
// all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8 mode
// in isolation from other components that don't support UTF-8 may result in
// bugs or other undefined behavior. This value is intended to be set by
// UTF-8-aware binaries as part of their startup. To avoid need for locking,
// this value should be set once, ideally in an init(), before multiple
// goroutines are started.
NameValidationScheme = LegacyValidation
// NameEscapingScheme defines the default way that names will be
// escaped when presented to systems that do not support UTF-8 names. If the
// Content-Type "escaping" term is specified, that will override this value.
NameEscapingScheme = ValueEncodingEscaping
)
// ValidationScheme is a Go enum for determining how metric and label names will
// be validated by this library.
type ValidationScheme int
const (
// LegacyValidation is a setting that requirets that metric and label names
// conform to the original Prometheus character requirements described by
// MetricNameRE and LabelNameRE.
LegacyValidation ValidationScheme = iota
// UTF8Validation only requires that metric and label names be valid UTF-8
// strings.
UTF8Validation
)
type EscapingScheme int
const (
// NoEscaping indicates that a name will not be escaped. Unescaped names that
// do not conform to the legacy validity check will use a new exposition
// format syntax that will be officially standardized in future versions.
NoEscaping EscapingScheme = iota
// UnderscoreEscaping replaces all legacy-invalid characters with underscores.
UnderscoreEscaping
// DotsEscaping is similar to UnderscoreEscaping, except that dots are
// converted to `_dot_` and pre-existing underscores are converted to `__`.
DotsEscaping
// ValueEncodingEscaping prepends the name with `U__` and replaces all invalid
// characters with the unicode value, surrounded by underscores. Single
// underscores are replaced with double underscores.
ValueEncodingEscaping
)
const (
// EscapingKey is the key in an Accept or Content-Type header that defines how
// metric and label names that do not conform to the legacy character
// requirements should be escaped when being scraped by a legacy prometheus
// system. If a system does not explicitly pass an escaping parameter in the
// Accept header, the default NameEscapingScheme will be used.
EscapingKey = "escaping"
// Possible values for Escaping Key:
AllowUTF8 = "allow-utf-8" // No escaping required.
EscapeUnderscores = "underscores"
EscapeDots = "dots"
EscapeValues = "values"
)
// MetricNameRE is a regular expression matching valid metric
// names. Note that the IsValidMetricName function performs the same
// check but faster than a match with this regular expression.
var MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`)
// A Metric is similar to a LabelSet, but the key difference is that a Metric is
// a singleton and refers to one and only one stream of samples.
type Metric LabelSet
@@ -86,17 +155,303 @@ func (m Metric) FastFingerprint() Fingerprint {
return LabelSet(m).FastFingerprint()
}
// IsValidMetricName returns true iff name matches the pattern of MetricNameRE.
// IsValidMetricName returns true iff name matches the pattern of MetricNameRE
// for legacy names, and iff it's valid UTF-8 if the UTF8Validation scheme is
// selected.
func IsValidMetricName(n LabelValue) bool {
switch NameValidationScheme {
case LegacyValidation:
return IsValidLegacyMetricName(n)
case UTF8Validation:
if len(n) == 0 {
return false
}
return utf8.ValidString(string(n))
default:
panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme))
}
}
// IsValidLegacyMetricName is similar to IsValidMetricName but always uses the
// legacy validation scheme regardless of the value of NameValidationScheme.
// This function, however, does not use MetricNameRE for the check but a much
// faster hardcoded implementation.
func IsValidMetricName(n LabelValue) bool {
func IsValidLegacyMetricName(n LabelValue) bool {
if len(n) == 0 {
return false
}
for i, b := range n {
if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0)) {
if !isValidLegacyRune(b, i) {
return false
}
}
return true
}
// EscapeMetricFamily escapes the given metric names and labels with the given
// escaping scheme. Returns a new object that uses the same pointers to fields
// when possible and creates new escaped versions so as not to mutate the
// input.
func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricFamily {
if v == nil {
return nil
}
if scheme == NoEscaping {
return v
}
out := &dto.MetricFamily{
Help: v.Help,
Type: v.Type,
Unit: v.Unit,
}
// If the name is nil, copy as-is, don't try to escape.
if v.Name == nil || IsValidLegacyMetricName(LabelValue(v.GetName())) {
out.Name = v.Name
} else {
out.Name = proto.String(EscapeName(v.GetName(), scheme))
}
for _, m := range v.Metric {
if !metricNeedsEscaping(m) {
out.Metric = append(out.Metric, m)
continue
}
escaped := &dto.Metric{
Gauge: m.Gauge,
Counter: m.Counter,
Summary: m.Summary,
Untyped: m.Untyped,
Histogram: m.Histogram,
TimestampMs: m.TimestampMs,
}
for _, l := range m.Label {
if l.GetName() == MetricNameLabel {
if l.Value == nil || IsValidLegacyMetricName(LabelValue(l.GetValue())) {
escaped.Label = append(escaped.Label, l)
continue
}
escaped.Label = append(escaped.Label, &dto.LabelPair{
Name: proto.String(MetricNameLabel),
Value: proto.String(EscapeName(l.GetValue(), scheme)),
})
continue
}
if l.Name == nil || IsValidLegacyMetricName(LabelValue(l.GetName())) {
escaped.Label = append(escaped.Label, l)
continue
}
escaped.Label = append(escaped.Label, &dto.LabelPair{
Name: proto.String(EscapeName(l.GetName(), scheme)),
Value: l.Value,
})
}
out.Metric = append(out.Metric, escaped)
}
return out
}
func metricNeedsEscaping(m *dto.Metric) bool {
for _, l := range m.Label {
if l.GetName() == MetricNameLabel && !IsValidLegacyMetricName(LabelValue(l.GetValue())) {
return true
}
if !IsValidLegacyMetricName(LabelValue(l.GetName())) {
return true
}
}
return false
}
const (
lowerhex = "0123456789abcdef"
)
// EscapeName escapes the incoming name according to the provided escaping
// scheme. Depending on the rules of escaping, this may cause no change in the
// string that is returned. (Especially NoEscaping, which by definition is a
// noop). This function does not do any validation of the name.
func EscapeName(name string, scheme EscapingScheme) string {
if len(name) == 0 {
return name
}
var escaped strings.Builder
switch scheme {
case NoEscaping:
return name
case UnderscoreEscaping:
if IsValidLegacyMetricName(LabelValue(name)) {
return name
}
for i, b := range name {
if isValidLegacyRune(b, i) {
escaped.WriteRune(b)
} else {
escaped.WriteRune('_')
}
}
return escaped.String()
case DotsEscaping:
// Do not early return for legacy valid names, we still escape underscores.
for i, b := range name {
if b == '_' {
escaped.WriteString("__")
} else if b == '.' {
escaped.WriteString("_dot_")
} else if isValidLegacyRune(b, i) {
escaped.WriteRune(b)
} else {
escaped.WriteRune('_')
}
}
return escaped.String()
case ValueEncodingEscaping:
if IsValidLegacyMetricName(LabelValue(name)) {
return name
}
escaped.WriteString("U__")
for i, b := range name {
if isValidLegacyRune(b, i) {
escaped.WriteRune(b)
} else if !utf8.ValidRune(b) {
escaped.WriteString("_FFFD_")
} else if b < 0x100 {
escaped.WriteRune('_')
for s := 4; s >= 0; s -= 4 {
escaped.WriteByte(lowerhex[b>>uint(s)&0xF])
}
escaped.WriteRune('_')
} else if b < 0x10000 {
escaped.WriteRune('_')
for s := 12; s >= 0; s -= 4 {
escaped.WriteByte(lowerhex[b>>uint(s)&0xF])
}
escaped.WriteRune('_')
}
}
return escaped.String()
default:
panic(fmt.Sprintf("invalid escaping scheme %d", scheme))
}
}
// lower function taken from strconv.atoi
func lower(c byte) byte {
return c | ('x' - 'X')
}
// UnescapeName unescapes the incoming name according to the provided escaping
// scheme if possible. Some schemes are partially or totally non-roundtripable.
// If any error is enountered, returns the original input.
func UnescapeName(name string, scheme EscapingScheme) string {
if len(name) == 0 {
return name
}
switch scheme {
case NoEscaping:
return name
case UnderscoreEscaping:
// It is not possible to unescape from underscore replacement.
return name
case DotsEscaping:
name = strings.ReplaceAll(name, "_dot_", ".")
name = strings.ReplaceAll(name, "__", "_")
return name
case ValueEncodingEscaping:
escapedName, found := strings.CutPrefix(name, "U__")
if !found {
return name
}
var unescaped strings.Builder
TOP:
for i := 0; i < len(escapedName); i++ {
// All non-underscores are treated normally.
if escapedName[i] != '_' {
unescaped.WriteByte(escapedName[i])
continue
}
i++
if i >= len(escapedName) {
return name
}
// A double underscore is a single underscore.
if escapedName[i] == '_' {
unescaped.WriteByte('_')
continue
}
// We think we are in a UTF-8 code, process it.
var utf8Val uint
for j := 0; i < len(escapedName); j++ {
// This is too many characters for a utf8 value.
if j > 4 {
return name
}
// Found a closing underscore, convert to a rune, check validity, and append.
if escapedName[i] == '_' {
utf8Rune := rune(utf8Val)
if !utf8.ValidRune(utf8Rune) {
return name
}
unescaped.WriteRune(utf8Rune)
continue TOP
}
r := lower(escapedName[i])
utf8Val *= 16
if r >= '0' && r <= '9' {
utf8Val += uint(r) - '0'
} else if r >= 'a' && r <= 'f' {
utf8Val += uint(r) - 'a' + 10
} else {
return name
}
i++
}
// Didn't find closing underscore, invalid.
return name
}
return unescaped.String()
default:
panic(fmt.Sprintf("invalid escaping scheme %d", scheme))
}
}
func isValidLegacyRune(b rune, i int) bool {
return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0)
}
func (e EscapingScheme) String() string {
switch e {
case NoEscaping:
return AllowUTF8
case UnderscoreEscaping:
return EscapeUnderscores
case DotsEscaping:
return EscapeDots
case ValueEncodingEscaping:
return EscapeValues
default:
panic(fmt.Sprintf("unknown format scheme %d", e))
}
}
func ToEscapingScheme(s string) (EscapingScheme, error) {
if s == "" {
return NoEscaping, fmt.Errorf("got empty string instead of escaping scheme")
}
switch s {
case AllowUTF8:
return NoEscaping, nil
case EscapeUnderscores:
return UnderscoreEscaping, nil
case EscapeDots:
return DotsEscaping, nil
case EscapeValues:
return ValueEncodingEscaping, nil
default:
return NoEscaping, fmt.Errorf("unknown format scheme " + s)
}
}

6
vendor/github.com/prometheus/common/model/signature.go generated vendored
View File

@@ -22,10 +22,8 @@ import (
// when calculating their combined hash value (aka signature aka fingerprint).
const SeparatorByte byte = 255
var (
// cache the signature of an empty label set.
emptyLabelSignature = hashNew()
)
// cache the signature of an empty label set.
var emptyLabelSignature = hashNew()
// LabelsToSignature returns a quasi-unique signature (i.e., fingerprint) for a
// given label set. (Collisions are possible but unlikely if the number of label

2
vendor/github.com/prometheus/common/model/silence.go generated vendored
View File

@@ -81,7 +81,7 @@ func (s *Silence) Validate() error {
}
for _, m := range s.Matchers {
if err := m.Validate(); err != nil {
return fmt.Errorf("invalid matcher: %s", err)
return fmt.Errorf("invalid matcher: %w", err)
}
}
if s.StartsAt.IsZero() {

16
vendor/github.com/prometheus/common/model/value.go generated vendored
View File

@@ -21,14 +21,12 @@ import (
"strings"
)
var (
// ZeroSample is the pseudo zero-value of Sample used to signal a
// non-existing sample. It is a Sample with timestamp Earliest, value 0.0,
// and metric nil. Note that the natural zero value of Sample has a timestamp
// of 0, which is possible to appear in a real Sample and thus not suitable
// to signal a non-existing Sample.
ZeroSample = Sample{Timestamp: Earliest}
)
// ZeroSample is the pseudo zero-value of Sample used to signal a
// non-existing sample. It is a Sample with timestamp Earliest, value 0.0,
// and metric nil. Note that the natural zero value of Sample has a timestamp
// of 0, which is possible to appear in a real Sample and thus not suitable
// to signal a non-existing Sample.
var ZeroSample = Sample{Timestamp: Earliest}
// Sample is a sample pair associated with a metric. A single sample must either
// define Value or Histogram but not both. Histogram == nil implies the Value
@@ -274,7 +272,7 @@ func (s *Scalar) UnmarshalJSON(b []byte) error {
value, err := strconv.ParseFloat(f, 64)
if err != nil {
return fmt.Errorf("error parsing sample value: %s", err)
return fmt.Errorf("error parsing sample value: %w", err)
}
s.Value = SampleValue(value)
return nil

14
vendor/github.com/prometheus/common/model/value_float.go generated vendored
View File

@@ -20,14 +20,12 @@ import (
"strconv"
)
var (
// ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a
// non-existing sample pair. It is a SamplePair with timestamp Earliest and
// value 0.0. Note that the natural zero value of SamplePair has a timestamp
// of 0, which is possible to appear in a real SamplePair and thus not
// suitable to signal a non-existing SamplePair.
ZeroSamplePair = SamplePair{Timestamp: Earliest}
)
// ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a
// non-existing sample pair. It is a SamplePair with timestamp Earliest and
// value 0.0. Note that the natural zero value of SamplePair has a timestamp
// of 0, which is possible to appear in a real SamplePair and thus not
// suitable to signal a non-existing SamplePair.
var ZeroSamplePair = SamplePair{Timestamp: Earliest}
// A SampleValue is a representation of a value for a given sample at a given
// time.

10
vendor/github.com/prometheus/procfs/.golangci.yml generated vendored
View File

@@ -1,8 +1,16 @@
---
linters:
enable:
- errcheck
- godot
- gosimple
- govet
- ineffassign
- misspell
- revive
- staticcheck
- testifylint
- unused
linter-settings:
godot:
@@ -10,3 +18,5 @@ linter-settings:
exclude:
# Ignore "See: URL"
- 'See:'
misspell:
locale: US

3
vendor/github.com/prometheus/procfs/MAINTAINERS.md generated vendored
View File

@@ -1,2 +1,3 @@
* Johannes 'fish' Ziemke <github@freigeist.org> @discordianfish
* Paul Gier <pgier@redhat.com> @pgier
* Paul Gier <paulgier@gmail.com> @pgier
* Ben Kochie <superq@gmail.com> @SuperQ

40
vendor/github.com/prometheus/procfs/Makefile.common generated vendored
View File

@@ -49,23 +49,23 @@ endif
GOTEST := $(GO) test
GOTEST_DIR :=
ifneq ($(CIRCLE_JOB),)
ifneq ($(shell which gotestsum),)
ifneq ($(shell command -v gotestsum 2> /dev/null),)
GOTEST_DIR := test-results
GOTEST := gotestsum --junitfile $(GOTEST_DIR)/unit-tests.xml --
endif
endif
PROMU_VERSION ?= 0.14.0
PROMU_VERSION ?= 0.17.0
PROMU_URL := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
SKIP_GOLANGCI_LINT :=
GOLANGCI_LINT :=
GOLANGCI_LINT_OPTS ?=
GOLANGCI_LINT_VERSION ?= v1.49.0
# golangci-lint only supports linux, darwin and windows platforms on i386/amd64.
GOLANGCI_LINT_VERSION ?= v1.59.0
# golangci-lint only supports linux, darwin and windows platforms on i386/amd64/arm64.
# windows isn't included here because of the path separator being different.
ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))
ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386))
ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386 arm64))
# If we're in CI and there is an Actions file, that means the linter
# is being run in Actions, so we don't need to run it here.
ifneq (,$(SKIP_GOLANGCI_LINT))
@@ -91,6 +91,8 @@ BUILD_DOCKER_ARCHS = $(addprefix common-docker-,$(DOCKER_ARCHS))
PUBLISH_DOCKER_ARCHS = $(addprefix common-docker-publish-,$(DOCKER_ARCHS))
TAG_DOCKER_ARCHS = $(addprefix common-docker-tag-latest-,$(DOCKER_ARCHS))
SANITIZED_DOCKER_IMAGE_TAG := $(subst +,-,$(DOCKER_IMAGE_TAG))
ifeq ($(GOHOSTARCH),amd64)
ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux freebsd darwin windows))
# Only supported on amd64
@@ -167,16 +169,20 @@ common-vet:
common-lint: $(GOLANGCI_LINT)
ifdef GOLANGCI_LINT
@echo ">> running golangci-lint"
# 'go list' needs to be executed before staticcheck to prepopulate the modules cache.
# Otherwise staticcheck might fail randomly for some reason not yet explained.
$(GO) list -e -compiled -test=true -export=false -deps=true -find=false -tags= -- ./... > /dev/null
$(GOLANGCI_LINT) run $(GOLANGCI_LINT_OPTS) $(pkgs)
endif
.PHONY: common-lint-fix
common-lint-fix: $(GOLANGCI_LINT)
ifdef GOLANGCI_LINT
@echo ">> running golangci-lint fix"
$(GOLANGCI_LINT) run --fix $(GOLANGCI_LINT_OPTS) $(pkgs)
endif
.PHONY: common-yamllint
common-yamllint:
@echo ">> running yamllint on all YAML files in the repository"
ifeq (, $(shell which yamllint))
ifeq (, $(shell command -v yamllint 2> /dev/null))
@echo "yamllint not installed so skipping"
else
yamllint .
@@ -202,10 +208,14 @@ common-tarball: promu
@echo ">> building release tarball"
$(PROMU) tarball --prefix $(PREFIX) $(BIN_DIR)
.PHONY: common-docker-repo-name
common-docker-repo-name:
@echo "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)"
.PHONY: common-docker $(BUILD_DOCKER_ARCHS)
common-docker: $(BUILD_DOCKER_ARCHS)
$(BUILD_DOCKER_ARCHS): common-docker-%:
docker build -t "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" \
docker build -t "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(SANITIZED_DOCKER_IMAGE_TAG)" \
-f $(DOCKERFILE_PATH) \
--build-arg ARCH="$*" \
--build-arg OS="linux" \
@@ -214,19 +224,19 @@ $(BUILD_DOCKER_ARCHS): common-docker-%:
.PHONY: common-docker-publish $(PUBLISH_DOCKER_ARCHS)
common-docker-publish: $(PUBLISH_DOCKER_ARCHS)
$(PUBLISH_DOCKER_ARCHS): common-docker-publish-%:
docker push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)"
docker push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(SANITIZED_DOCKER_IMAGE_TAG)"
DOCKER_MAJOR_VERSION_TAG = $(firstword $(subst ., ,$(shell cat VERSION)))
.PHONY: common-docker-tag-latest $(TAG_DOCKER_ARCHS)
common-docker-tag-latest: $(TAG_DOCKER_ARCHS)
$(TAG_DOCKER_ARCHS): common-docker-tag-latest-%:
docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:latest"
docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:v$(DOCKER_MAJOR_VERSION_TAG)"
docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(SANITIZED_DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:latest"
docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(SANITIZED_DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:v$(DOCKER_MAJOR_VERSION_TAG)"
.PHONY: common-docker-manifest
common-docker-manifest:
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest create -a "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" $(foreach ARCH,$(DOCKER_ARCHS),$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$(ARCH):$(DOCKER_IMAGE_TAG))
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)"
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest create -a "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(SANITIZED_DOCKER_IMAGE_TAG)" $(foreach ARCH,$(DOCKER_ARCHS),$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$(ARCH):$(SANITIZED_DOCKER_IMAGE_TAG))
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(SANITIZED_DOCKER_IMAGE_TAG)"
.PHONY: promu
promu: $(PROMU)

4
vendor/github.com/prometheus/procfs/README.md generated vendored
View File

@@ -51,11 +51,11 @@ ensure the `fixtures` directory is up to date by removing the existing directory
extracting the ttar file using `make fixtures/.unpacked` or just `make test`.
```bash
rm -rf fixtures
rm -rf testdata/fixtures
make test
```
Next, make the required changes to the extracted files in the `fixtures` directory. When
the changes are complete, run `make update_fixtures` to create a new `fixtures.ttar` file
based on the updated `fixtures` directory. And finally, verify the changes using
`git diff fixtures.ttar`.
`git diff testdata/fixtures.ttar`.

6
vendor/github.com/prometheus/procfs/arp.go generated vendored
View File

@@ -55,7 +55,7 @@ type ARPEntry struct {
func (fs FS) GatherARPEntries() ([]ARPEntry, error) {
data, err := os.ReadFile(fs.proc.Path("net/arp"))
if err != nil {
return nil, fmt.Errorf("error reading arp %q: %w", fs.proc.Path("net/arp"), err)
return nil, fmt.Errorf("%w: error reading arp %s: %w", ErrFileRead, fs.proc.Path("net/arp"), err)
}
return parseARPEntries(data)
@@ -78,11 +78,11 @@ func parseARPEntries(data []byte) ([]ARPEntry, error) {
} else if width == expectedDataWidth {
entry, err := parseARPEntry(columns)
if err != nil {
return []ARPEntry{}, fmt.Errorf("failed to parse ARP entry: %w", err)
return []ARPEntry{}, fmt.Errorf("%w: Failed to parse ARP entry: %v: %w", ErrFileParse, entry, err)
}
entries = append(entries, entry)
} else {
return []ARPEntry{}, fmt.Errorf("%d columns were detected, but %d were expected", width, expectedDataWidth)
return []ARPEntry{}, fmt.Errorf("%w: %d columns found, but expected %d: %w", ErrFileParse, width, expectedDataWidth, err)
}
}

10
vendor/github.com/prometheus/procfs/buddyinfo.go generated vendored
View File

@@ -55,18 +55,18 @@ func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) {
parts := strings.Fields(line)
if len(parts) < 4 {
return nil, fmt.Errorf("invalid number of fields when parsing buddyinfo")
return nil, fmt.Errorf("%w: Invalid number of fields, found: %v", ErrFileParse, parts)
}
node := strings.TrimRight(parts[1], ",")
zone := strings.TrimRight(parts[3], ",")
node := strings.TrimSuffix(parts[1], ",")
zone := strings.TrimSuffix(parts[3], ",")
arraySize := len(parts[4:])
if bucketCount == -1 {
bucketCount = arraySize
} else {
if bucketCount != arraySize {
return nil, fmt.Errorf("mismatch in number of buddyinfo buckets, previous count %d, new count %d", bucketCount, arraySize)
return nil, fmt.Errorf("%w: mismatch in number of buddyinfo buckets, previous count %d, new count %d", ErrFileParse, bucketCount, arraySize)
}
}
@@ -74,7 +74,7 @@ func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) {
for i := 0; i < arraySize; i++ {
sizes[i], err = strconv.ParseFloat(parts[i+4], 64)
if err != nil {
return nil, fmt.Errorf("invalid value in buddyinfo: %w", err)
return nil, fmt.Errorf("%w: Invalid valid in buddyinfo: %f: %w", ErrFileParse, sizes[i], err)
}
}

19
vendor/github.com/prometheus/procfs/cpuinfo.go generated vendored
View File

@@ -79,7 +79,7 @@ func parseCPUInfoX86(info []byte) ([]CPUInfo, error) {
// find the first "processor" line
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: Cannot parse line: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
v, err := strconv.ParseUint(field[1], 0, 32)
@@ -192,9 +192,10 @@ func parseCPUInfoARM(info []byte) ([]CPUInfo, error) {
scanner := bufio.NewScanner(bytes.NewReader(info))
firstLine := firstNonEmptyLine(scanner)
match, _ := regexp.MatchString("^[Pp]rocessor", firstLine)
match, err := regexp.MatchString("^[Pp]rocessor", firstLine)
if !match || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: Cannot parse line: %q: %w", ErrFileParse, firstLine, err)
}
field := strings.SplitN(firstLine, ": ", 2)
cpuinfo := []CPUInfo{}
@@ -258,7 +259,7 @@ func parseCPUInfoS390X(info []byte) ([]CPUInfo, error) {
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "vendor_id") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: Cannot parse line: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
cpuinfo := []CPUInfo{}
@@ -283,7 +284,7 @@ func parseCPUInfoS390X(info []byte) ([]CPUInfo, error) {
if strings.HasPrefix(line, "processor") {
match := cpuinfoS390XProcessorRegexp.FindStringSubmatch(line)
if len(match) < 2 {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
cpu := commonCPUInfo
v, err := strconv.ParseUint(match[1], 0, 32)
@@ -343,7 +344,7 @@ func parseCPUInfoMips(info []byte) ([]CPUInfo, error) {
// find the first "processor" line
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "system type") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
cpuinfo := []CPUInfo{}
@@ -385,7 +386,7 @@ func parseCPUInfoLoong(info []byte) ([]CPUInfo, error) {
// find the first "processor" line
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "system type") || !strings.Contains(firstLine, ":") {
return nil, errors.New("invalid cpuinfo file: " + firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
cpuinfo := []CPUInfo{}
@@ -421,7 +422,7 @@ func parseCPUInfoPPC(info []byte) ([]CPUInfo, error) {
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
v, err := strconv.ParseUint(field[1], 0, 32)
@@ -466,7 +467,7 @@ func parseCPUInfoRISCV(info []byte) ([]CPUInfo, error) {
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
v, err := strconv.ParseUint(field[1], 0, 32)

7
vendor/github.com/prometheus/procfs/crypto.go generated vendored
View File

@@ -55,12 +55,13 @@ func (fs FS) Crypto() ([]Crypto, error) {
path := fs.proc.Path("crypto")
b, err := util.ReadFileNoStat(path)
if err != nil {
return nil, fmt.Errorf("error reading crypto %q: %w", path, err)
return nil, fmt.Errorf("%w: Cannot read file %v: %w", ErrFileRead, b, err)
}
crypto, err := parseCrypto(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("error parsing crypto %q: %w", path, err)
return nil, fmt.Errorf("%w: Cannot parse %v: %w", ErrFileParse, crypto, err)
}
return crypto, nil
@@ -83,7 +84,7 @@ func parseCrypto(r io.Reader) ([]Crypto, error) {
kv := strings.Split(text, ":")
if len(kv) != 2 {
return nil, fmt.Errorf("malformed crypto line: %q", text)
return nil, fmt.Errorf("%w: Cannot parse line: %q", ErrFileParse, text)
}
k := strings.TrimSpace(kv[0])

11
vendor/github.com/prometheus/procfs/fs.go generated vendored
View File

@@ -20,7 +20,8 @@ import (
// FS represents the pseudo-filesystem sys, which provides an interface to
// kernel data structures.
type FS struct {
proc fs.FS
proc fs.FS
isReal bool
}
// DefaultMountPoint is the common mount point of the proc filesystem.
@@ -39,5 +40,11 @@ func NewFS(mountPoint string) (FS, error) {
if err != nil {
return FS{}, err
}
return FS{fs}, nil
isReal, err := isRealProc(mountPoint)
if err != nil {
return FS{}, err
}
return FS{fs, isReal}, nil
}

23
vendor/github.com/prometheus/procfs/fs_statfs_notype.go generated vendored Normal file
View File

@@ -0,0 +1,23 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !freebsd && !linux
// +build !freebsd,!linux
package procfs
// isRealProc returns true on architectures that don't have a Type argument
// in their Statfs_t struct
func isRealProc(mountPoint string) (bool, error) {
return true, nil
}

33
vendor/github.com/prometheus/procfs/fs_statfs_type.go generated vendored Normal file
View File

@@ -0,0 +1,33 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build freebsd || linux
// +build freebsd linux
package procfs
import (
"syscall"
)
// isRealProc determines whether supplied mountpoint is really a proc filesystem.
func isRealProc(mountPoint string) (bool, error) {
stat := syscall.Statfs_t{}
err := syscall.Statfs(mountPoint, &stat)
if err != nil {
return false, err
}
// 0x9fa0 is PROC_SUPER_MAGIC: https://elixir.bootlin.com/linux/v6.1/source/include/uapi/linux/magic.h#L87
return stat.Type == 0x9fa0, nil
}

6
vendor/github.com/prometheus/procfs/fscache.go generated vendored
View File

@@ -236,7 +236,7 @@ func (fs FS) Fscacheinfo() (Fscacheinfo, error) {
m, err := parseFscacheinfo(bytes.NewReader(b))
if err != nil {
return Fscacheinfo{}, fmt.Errorf("failed to parse Fscacheinfo: %w", err)
return Fscacheinfo{}, fmt.Errorf("%w: Cannot parse %v: %w", ErrFileParse, m, err)
}
return *m, nil
@@ -245,7 +245,7 @@ func (fs FS) Fscacheinfo() (Fscacheinfo, error) {
func setFSCacheFields(fields []string, setFields ...*uint64) error {
var err error
if len(fields) < len(setFields) {
return fmt.Errorf("Insufficient number of fields, expected %v, got %v", len(setFields), len(fields))
return fmt.Errorf("%w: Expected %d, but got %d: %w", ErrFileParse, len(setFields), len(fields), err)
}
for i := range setFields {
@@ -263,7 +263,7 @@ func parseFscacheinfo(r io.Reader) (*Fscacheinfo, error) {
for s.Scan() {
fields := strings.Fields(s.Text())
if len(fields) < 2 {
return nil, fmt.Errorf("malformed Fscacheinfo line: %q", s.Text())
return nil, fmt.Errorf("%w: malformed Fscacheinfo line: %q", ErrFileParse, s.Text())
}
switch fields[0] {

15
vendor/github.com/prometheus/procfs/internal/util/parse.go generated vendored
View File

@@ -64,6 +64,21 @@ func ParsePInt64s(ss []string) ([]*int64, error) {
return us, nil
}
// Parses a uint64 from given hex in string.
func ParseHexUint64s(ss []string) ([]*uint64, error) {
us := make([]*uint64, 0, len(ss))
for _, s := range ss {
u, err := strconv.ParseUint(s, 16, 64)
if err != nil {
return nil, err
}
us = append(us, &u)
}
return us, nil
}
// ReadUintFromFile reads a file and attempts to parse a uint64 from it.
func ReadUintFromFile(path string) (uint64, error) {
data, err := os.ReadFile(path)

7
vendor/github.com/prometheus/procfs/ipvs.go generated vendored
View File

@@ -221,15 +221,16 @@ func parseIPPort(s string) (net.IP, uint16, error) {
case 46:
ip = net.ParseIP(s[1:40])
if ip == nil {
return nil, 0, fmt.Errorf("invalid IPv6 address: %s", s[1:40])
return nil, 0, fmt.Errorf("%w: Invalid IPv6 addr %s: %w", ErrFileParse, s[1:40], err)
}
default:
return nil, 0, fmt.Errorf("unexpected IP:Port: %s", s)
return nil, 0, fmt.Errorf("%w: Unexpected IP:Port %s: %w", ErrFileParse, s, err)
}
portString := s[len(s)-4:]
if len(portString) != 4 {
return nil, 0, fmt.Errorf("unexpected port string format: %s", portString)
return nil, 0,
fmt.Errorf("%w: Unexpected port string format %s: %w", ErrFileParse, portString, err)
}
port, err := strconv.ParseUint(portString, 16, 16)
if err != nil {

4
vendor/github.com/prometheus/procfs/loadavg.go generated vendored
View File

@@ -44,14 +44,14 @@ func parseLoad(loadavgBytes []byte) (*LoadAvg, error) {
loads := make([]float64, 3)
parts := strings.Fields(string(loadavgBytes))
if len(parts) < 3 {
return nil, fmt.Errorf("malformed loadavg line: too few fields in loadavg string: %q", string(loadavgBytes))
return nil, fmt.Errorf("%w: Malformed line %q", ErrFileParse, string(loadavgBytes))
}
var err error
for i, load := range parts[0:3] {
loads[i], err = strconv.ParseFloat(load, 64)
if err != nil {
return nil, fmt.Errorf("could not parse load %q: %w", load, err)
return nil, fmt.Errorf("%w: Cannot parse load: %f: %w", ErrFileParse, loads[i], err)
}
}
return &LoadAvg{

62
vendor/github.com/prometheus/procfs/mdstat.go generated vendored
View File

@@ -23,7 +23,7 @@ import (
var (
statusLineRE = regexp.MustCompile(`(\d+) blocks .*\[(\d+)/(\d+)\] \[([U_]+)\]`)
recoveryLineBlocksRE = regexp.MustCompile(`\((\d+)/\d+\)`)
recoveryLineBlocksRE = regexp.MustCompile(`\((\d+/\d+)\)`)
recoveryLinePctRE = regexp.MustCompile(`= (.+)%`)
recoveryLineFinishRE = regexp.MustCompile(`finish=(.+)min`)
recoveryLineSpeedRE = regexp.MustCompile(`speed=(.+)[A-Z]`)
@@ -50,6 +50,8 @@ type MDStat struct {
BlocksTotal int64
// Number of blocks on the device that are in sync.
BlocksSynced int64
// Number of blocks on the device that need to be synced.
BlocksToBeSynced int64
// progress percentage of current sync
BlocksSyncedPct float64
// estimated finishing time for current sync (in minutes)
@@ -70,7 +72,7 @@ func (fs FS) MDStat() ([]MDStat, error) {
}
mdstat, err := parseMDStat(data)
if err != nil {
return nil, fmt.Errorf("error parsing mdstat %q: %w", fs.proc.Path("mdstat"), err)
return nil, fmt.Errorf("%w: Cannot parse %v: %w", ErrFileParse, fs.proc.Path("mdstat"), err)
}
return mdstat, nil
}
@@ -90,13 +92,13 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
deviceFields := strings.Fields(line)
if len(deviceFields) < 3 {
return nil, fmt.Errorf("not enough fields in mdline (expected at least 3): %s", line)
return nil, fmt.Errorf("%w: Expected 3+ lines, got %q", ErrFileParse, line)
}
mdName := deviceFields[0] // mdx
state := deviceFields[2] // active or inactive
if len(lines) <= i+3 {
return nil, fmt.Errorf("error parsing %q: too few lines for md device", mdName)
return nil, fmt.Errorf("%w: Too few lines for md device: %q", ErrFileParse, mdName)
}
// Failed disks have the suffix (F) & Spare disks have the suffix (S).
@@ -105,7 +107,7 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
active, total, down, size, err := evalStatusLine(lines[i], lines[i+1])
if err != nil {
return nil, fmt.Errorf("error parsing md device lines: %w", err)
return nil, fmt.Errorf("%w: Cannot parse md device lines: %v: %w", ErrFileParse, active, err)
}
syncLineIdx := i + 2
@@ -115,7 +117,8 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
// If device is syncing at the moment, get the number of currently
// synced bytes, otherwise that number equals the size of the device.
syncedBlocks := size
blocksSynced := size
blocksToBeSynced := size
speed := float64(0)
finish := float64(0)
pct := float64(0)
@@ -136,11 +139,11 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
// Handle case when resync=PENDING or resync=DELAYED.
if strings.Contains(lines[syncLineIdx], "PENDING") ||
strings.Contains(lines[syncLineIdx], "DELAYED") {
syncedBlocks = 0
blocksSynced = 0
} else {
syncedBlocks, pct, finish, speed, err = evalRecoveryLine(lines[syncLineIdx])
blocksSynced, blocksToBeSynced, pct, finish, speed, err = evalRecoveryLine(lines[syncLineIdx])
if err != nil {
return nil, fmt.Errorf("error parsing sync line in md device %q: %w", mdName, err)
return nil, fmt.Errorf("%w: Cannot parse sync line in md device: %q: %w", ErrFileParse, mdName, err)
}
}
}
@@ -154,7 +157,8 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
DisksSpare: spare,
DisksTotal: total,
BlocksTotal: size,
BlocksSynced: syncedBlocks,
BlocksSynced: blocksSynced,
BlocksToBeSynced: blocksToBeSynced,
BlocksSyncedPct: pct,
BlocksSyncedFinishTime: finish,
BlocksSyncedSpeed: speed,
@@ -168,13 +172,13 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
func evalStatusLine(deviceLine, statusLine string) (active, total, down, size int64, err error) {
statusFields := strings.Fields(statusLine)
if len(statusFields) < 1 {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q", statusLine)
return 0, 0, 0, 0, fmt.Errorf("%w: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
}
sizeStr := statusFields[0]
size, err = strconv.ParseInt(sizeStr, 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
return 0, 0, 0, 0, fmt.Errorf("%w: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
}
if strings.Contains(deviceLine, "raid0") || strings.Contains(deviceLine, "linear") {
@@ -189,65 +193,71 @@ func evalStatusLine(deviceLine, statusLine string) (active, total, down, size in
matches := statusLineRE.FindStringSubmatch(statusLine)
if len(matches) != 5 {
return 0, 0, 0, 0, fmt.Errorf("couldn't find all the substring matches: %s", statusLine)
return 0, 0, 0, 0, fmt.Errorf("%w: Could not fild all substring matches %s: %w", ErrFileParse, statusLine, err)
}
total, err = strconv.ParseInt(matches[2], 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
return 0, 0, 0, 0, fmt.Errorf("%w: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
}
active, err = strconv.ParseInt(matches[3], 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
return 0, 0, 0, 0, fmt.Errorf("%w: Unexpected active %d: %w", ErrFileParse, active, err)
}
down = int64(strings.Count(matches[4], "_"))
return active, total, down, size, nil
}
func evalRecoveryLine(recoveryLine string) (syncedBlocks int64, pct float64, finish float64, speed float64, err error) {
func evalRecoveryLine(recoveryLine string) (blocksSynced int64, blocksToBeSynced int64, pct float64, finish float64, speed float64, err error) {
matches := recoveryLineBlocksRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return 0, 0, 0, 0, fmt.Errorf("unexpected recoveryLine: %s", recoveryLine)
return 0, 0, 0, 0, 0, fmt.Errorf("%w: Unexpected recoveryLine blocks %s: %w", ErrFileParse, recoveryLine, err)
}
syncedBlocks, err = strconv.ParseInt(matches[1], 10, 64)
blocks := strings.Split(matches[1], "/")
blocksSynced, err = strconv.ParseInt(blocks[0], 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("error parsing int from recoveryLine %q: %w", recoveryLine, err)
return 0, 0, 0, 0, 0, fmt.Errorf("%w: Unable to parse recovery blocks synced %q: %w", ErrFileParse, matches[1], err)
}
blocksToBeSynced, err = strconv.ParseInt(blocks[1], 10, 64)
if err != nil {
return blocksSynced, 0, 0, 0, 0, fmt.Errorf("%w: Unable to parse recovery to be synced blocks %q: %w", ErrFileParse, matches[2], err)
}
// Get percentage complete
matches = recoveryLinePctRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return syncedBlocks, 0, 0, 0, fmt.Errorf("unexpected recoveryLine matching percentage: %s", recoveryLine)
return blocksSynced, blocksToBeSynced, 0, 0, 0, fmt.Errorf("%w: Unexpected recoveryLine matching percentage %s", ErrFileParse, recoveryLine)
}
pct, err = strconv.ParseFloat(strings.TrimSpace(matches[1]), 64)
if err != nil {
return syncedBlocks, 0, 0, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
return blocksSynced, blocksToBeSynced, 0, 0, 0, fmt.Errorf("%w: Error parsing float from recoveryLine %q", ErrFileParse, recoveryLine)
}
// Get time expected left to complete
matches = recoveryLineFinishRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return syncedBlocks, pct, 0, 0, fmt.Errorf("unexpected recoveryLine matching est. finish time: %s", recoveryLine)
return blocksSynced, blocksToBeSynced, pct, 0, 0, fmt.Errorf("%w: Unexpected recoveryLine matching est. finish time: %s", ErrFileParse, recoveryLine)
}
finish, err = strconv.ParseFloat(matches[1], 64)
if err != nil {
return syncedBlocks, pct, 0, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
return blocksSynced, blocksToBeSynced, pct, 0, 0, fmt.Errorf("%w: Unable to parse float from recoveryLine: %q", ErrFileParse, recoveryLine)
}
// Get recovery speed
matches = recoveryLineSpeedRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return syncedBlocks, pct, finish, 0, fmt.Errorf("unexpected recoveryLine matching speed: %s", recoveryLine)
return blocksSynced, blocksToBeSynced, pct, finish, 0, fmt.Errorf("%w: Unexpected recoveryLine value: %s", ErrFileParse, recoveryLine)
}
speed, err = strconv.ParseFloat(matches[1], 64)
if err != nil {
return syncedBlocks, pct, finish, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
return blocksSynced, blocksToBeSynced, pct, finish, 0, fmt.Errorf("%w: Error parsing float from recoveryLine: %q: %w", ErrFileParse, recoveryLine, err)
}
return syncedBlocks, pct, finish, speed, nil
return blocksSynced, blocksToBeSynced, pct, finish, speed, nil
}
func evalComponentDevices(deviceFields []string) []string {

220
vendor/github.com/prometheus/procfs/meminfo.go generated vendored
View File

@@ -126,6 +126,7 @@ type Meminfo struct {
VmallocUsed *uint64
// largest contiguous block of vmalloc area which is free
VmallocChunk *uint64
Percpu *uint64
HardwareCorrupted *uint64
AnonHugePages *uint64
ShmemHugePages *uint64
@@ -140,6 +141,55 @@ type Meminfo struct {
DirectMap4k *uint64
DirectMap2M *uint64
DirectMap1G *uint64
// The struct fields below are the byte-normalized counterparts to the
// existing struct fields. Values are normalized using the optional
// unit field in the meminfo line.
MemTotalBytes *uint64
MemFreeBytes *uint64
MemAvailableBytes *uint64
BuffersBytes *uint64
CachedBytes *uint64
SwapCachedBytes *uint64
ActiveBytes *uint64
InactiveBytes *uint64
ActiveAnonBytes *uint64
InactiveAnonBytes *uint64
ActiveFileBytes *uint64
InactiveFileBytes *uint64
UnevictableBytes *uint64
MlockedBytes *uint64
SwapTotalBytes *uint64
SwapFreeBytes *uint64
DirtyBytes *uint64
WritebackBytes *uint64
AnonPagesBytes *uint64
MappedBytes *uint64
ShmemBytes *uint64
SlabBytes *uint64
SReclaimableBytes *uint64
SUnreclaimBytes *uint64
KernelStackBytes *uint64
PageTablesBytes *uint64
NFSUnstableBytes *uint64
BounceBytes *uint64
WritebackTmpBytes *uint64
CommitLimitBytes *uint64
CommittedASBytes *uint64
VmallocTotalBytes *uint64
VmallocUsedBytes *uint64
VmallocChunkBytes *uint64
PercpuBytes *uint64
HardwareCorruptedBytes *uint64
AnonHugePagesBytes *uint64
ShmemHugePagesBytes *uint64
ShmemPmdMappedBytes *uint64
CmaTotalBytes *uint64
CmaFreeBytes *uint64
HugepagesizeBytes *uint64
DirectMap4kBytes *uint64
DirectMap2MBytes *uint64
DirectMap1GBytes *uint64
}
// Meminfo returns an information about current kernel/system memory statistics.
@@ -152,7 +202,7 @@ func (fs FS) Meminfo() (Meminfo, error) {
m, err := parseMemInfo(bytes.NewReader(b))
if err != nil {
return Meminfo{}, fmt.Errorf("failed to parse meminfo: %w", err)
return Meminfo{}, fmt.Errorf("%w: %w", ErrFileParse, err)
}
return *m, nil
@@ -162,114 +212,176 @@ func parseMemInfo(r io.Reader) (*Meminfo, error) {
var m Meminfo
s := bufio.NewScanner(r)
for s.Scan() {
// Each line has at least a name and value; we ignore the unit.
fields := strings.Fields(s.Text())
if len(fields) < 2 {
return nil, fmt.Errorf("malformed meminfo line: %q", s.Text())
}
var val, valBytes uint64
v, err := strconv.ParseUint(fields[1], 0, 64)
val, err := strconv.ParseUint(fields[1], 0, 64)
if err != nil {
return nil, err
}
switch len(fields) {
case 2:
// No unit present, use the parsed the value as bytes directly.
valBytes = val
case 3:
// Unit present in optional 3rd field, convert it to
// bytes. The only unit supported within the Linux
// kernel is `kB`.
if fields[2] != "kB" {
return nil, fmt.Errorf("%w: Unsupported unit in optional 3rd field %q", ErrFileParse, fields[2])
}
valBytes = 1024 * val
default:
return nil, fmt.Errorf("%w: Malformed line %q", ErrFileParse, s.Text())
}
switch fields[0] {
case "MemTotal:":
m.MemTotal = &v
m.MemTotal = &val
m.MemTotalBytes = &valBytes
case "MemFree:":
m.MemFree = &v
m.MemFree = &val
m.MemFreeBytes = &valBytes
case "MemAvailable:":
m.MemAvailable = &v
m.MemAvailable = &val
m.MemAvailableBytes = &valBytes
case "Buffers:":
m.Buffers = &v
m.Buffers = &val
m.BuffersBytes = &valBytes
case "Cached:":
m.Cached = &v
m.Cached = &val
m.CachedBytes = &valBytes
case "SwapCached:":
m.SwapCached = &v
m.SwapCached = &val
m.SwapCachedBytes = &valBytes
case "Active:":
m.Active = &v
m.Active = &val
m.ActiveBytes = &valBytes
case "Inactive:":
m.Inactive = &v
m.Inactive = &val
m.InactiveBytes = &valBytes
case "Active(anon):":
m.ActiveAnon = &v
m.ActiveAnon = &val
m.ActiveAnonBytes = &valBytes
case "Inactive(anon):":
m.InactiveAnon = &v
m.InactiveAnon = &val
m.InactiveAnonBytes = &valBytes
case "Active(file):":
m.ActiveFile = &v
m.ActiveFile = &val
m.ActiveFileBytes = &valBytes
case "Inactive(file):":
m.InactiveFile = &v
m.InactiveFile = &val
m.InactiveFileBytes = &valBytes
case "Unevictable:":
m.Unevictable = &v
m.Unevictable = &val
m.UnevictableBytes = &valBytes
case "Mlocked:":
m.Mlocked = &v
m.Mlocked = &val
m.MlockedBytes = &valBytes
case "SwapTotal:":
m.SwapTotal = &v
m.SwapTotal = &val
m.SwapTotalBytes = &valBytes
case "SwapFree:":
m.SwapFree = &v
m.SwapFree = &val
m.SwapFreeBytes = &valBytes
case "Dirty:":
m.Dirty = &v
m.Dirty = &val
m.DirtyBytes = &valBytes
case "Writeback:":
m.Writeback = &v
m.Writeback = &val
m.WritebackBytes = &valBytes
case "AnonPages:":
m.AnonPages = &v
m.AnonPages = &val
m.AnonPagesBytes = &valBytes
case "Mapped:":
m.Mapped = &v
m.Mapped = &val
m.MappedBytes = &valBytes
case "Shmem:":
m.Shmem = &v
m.Shmem = &val
m.ShmemBytes = &valBytes
case "Slab:":
m.Slab = &v
m.Slab = &val
m.SlabBytes = &valBytes
case "SReclaimable:":
m.SReclaimable = &v
m.SReclaimable = &val
m.SReclaimableBytes = &valBytes
case "SUnreclaim:":
m.SUnreclaim = &v
m.SUnreclaim = &val
m.SUnreclaimBytes = &valBytes
case "KernelStack:":
m.KernelStack = &v
m.KernelStack = &val
m.KernelStackBytes = &valBytes
case "PageTables:":
m.PageTables = &v
m.PageTables = &val
m.PageTablesBytes = &valBytes
case "NFS_Unstable:":
m.NFSUnstable = &v
m.NFSUnstable = &val
m.NFSUnstableBytes = &valBytes
case "Bounce:":
m.Bounce = &v
m.Bounce = &val
m.BounceBytes = &valBytes
case "WritebackTmp:":
m.WritebackTmp = &v
m.WritebackTmp = &val
m.WritebackTmpBytes = &valBytes
case "CommitLimit:":
m.CommitLimit = &v
m.CommitLimit = &val
m.CommitLimitBytes = &valBytes
case "Committed_AS:":
m.CommittedAS = &v
m.CommittedAS = &val
m.CommittedASBytes = &valBytes
case "VmallocTotal:":
m.VmallocTotal = &v
m.VmallocTotal = &val
m.VmallocTotalBytes = &valBytes
case "VmallocUsed:":
m.VmallocUsed = &v
m.VmallocUsed = &val
m.VmallocUsedBytes = &valBytes
case "VmallocChunk:":
m.VmallocChunk = &v
m.VmallocChunk = &val
m.VmallocChunkBytes = &valBytes
case "Percpu:":
m.Percpu = &val
m.PercpuBytes = &valBytes
case "HardwareCorrupted:":
m.HardwareCorrupted = &v
m.HardwareCorrupted = &val
m.HardwareCorruptedBytes = &valBytes
case "AnonHugePages:":
m.AnonHugePages = &v
m.AnonHugePages = &val
m.AnonHugePagesBytes = &valBytes
case "ShmemHugePages:":
m.ShmemHugePages = &v
m.ShmemHugePages = &val
m.ShmemHugePagesBytes = &valBytes
case "ShmemPmdMapped:":
m.ShmemPmdMapped = &v
m.ShmemPmdMapped = &val
m.ShmemPmdMappedBytes = &valBytes
case "CmaTotal:":
m.CmaTotal = &v
m.CmaTotal = &val
m.CmaTotalBytes = &valBytes
case "CmaFree:":
m.CmaFree = &v
m.CmaFree = &val
m.CmaFreeBytes = &valBytes
case "HugePages_Total:":
m.HugePagesTotal = &v
m.HugePagesTotal = &val
case "HugePages_Free:":
m.HugePagesFree = &v
m.HugePagesFree = &val
case "HugePages_Rsvd:":
m.HugePagesRsvd = &v
m.HugePagesRsvd = &val
case "HugePages_Surp:":
m.HugePagesSurp = &v
m.HugePagesSurp = &val
case "Hugepagesize:":
m.Hugepagesize = &v
m.Hugepagesize = &val
m.HugepagesizeBytes = &valBytes
case "DirectMap4k:":
m.DirectMap4k = &v
m.DirectMap4k = &val
m.DirectMap4kBytes = &valBytes
case "DirectMap2M:":
m.DirectMap2M = &v
m.DirectMap2M = &val
m.DirectMap2MBytes = &valBytes
case "DirectMap1G:":
m.DirectMap1G = &v
m.DirectMap1G = &val
m.DirectMap1GBytes = &valBytes
}
}

10
vendor/github.com/prometheus/procfs/mountinfo.go generated vendored
View File

@@ -78,11 +78,11 @@ func parseMountInfoString(mountString string) (*MountInfo, error) {
mountInfo := strings.Split(mountString, " ")
mountInfoLength := len(mountInfo)
if mountInfoLength < 10 {
return nil, fmt.Errorf("couldn't find enough fields in mount string: %s", mountString)
return nil, fmt.Errorf("%w: Too few fields in mount string: %s", ErrFileParse, mountString)
}
if mountInfo[mountInfoLength-4] != "-" {
return nil, fmt.Errorf("couldn't find separator in expected field: %s", mountInfo[mountInfoLength-4])
return nil, fmt.Errorf("%w: couldn't find separator in expected field: %s", ErrFileParse, mountInfo[mountInfoLength-4])
}
mount := &MountInfo{
@@ -98,18 +98,18 @@ func parseMountInfoString(mountString string) (*MountInfo, error) {
mount.MountID, err = strconv.Atoi(mountInfo[0])
if err != nil {
return nil, fmt.Errorf("failed to parse mount ID")
return nil, fmt.Errorf("%w: mount ID: %q", ErrFileParse, mount.MountID)
}
mount.ParentID, err = strconv.Atoi(mountInfo[1])
if err != nil {
return nil, fmt.Errorf("failed to parse parent ID")
return nil, fmt.Errorf("%w: parent ID: %q", ErrFileParse, mount.ParentID)
}
// Has optional fields, which is a space separated list of values.
// Example: shared:2 master:7
if mountInfo[6] != "" {
mount.OptionalFields, err = mountOptionsParseOptionalFields(mountInfo[6 : mountInfoLength-4])
if err != nil {
return nil, err
return nil, fmt.Errorf("%w: %w", ErrFileParse, err)
}
}
return mount, nil

116
vendor/github.com/prometheus/procfs/mountstats.go generated vendored
View File

@@ -44,6 +44,14 @@ const (
fieldTransport11TCPLen = 13
fieldTransport11UDPLen = 10
// kernel version >= 4.14 MaxLen
// See: https://elixir.bootlin.com/linux/v6.4.8/source/net/sunrpc/xprtrdma/xprt_rdma.h#L393
fieldTransport11RDMAMaxLen = 28
// kernel version <= 4.2 MinLen
// See: https://elixir.bootlin.com/linux/v4.2.8/source/net/sunrpc/xprtrdma/xprt_rdma.h#L331
fieldTransport11RDMAMinLen = 20
)
// A Mount is a device mount parsed from /proc/[pid]/mountstats.
@@ -80,7 +88,7 @@ type MountStatsNFS struct {
// Statistics broken down by filesystem operation.
Operations []NFSOperationStats
// Statistics about the NFS RPC transport.
Transport NFSTransportStats
Transport []NFSTransportStats
}
// mountStats implements MountStats.
@@ -231,6 +239,33 @@ type NFSTransportStats struct {
// A running counter, incremented on each request as the current size of the
// pending queue.
CumulativePendingQueue uint64
// Stats below only available with stat version 1.1.
// Transport over RDMA
// accessed when sending a call
ReadChunkCount uint64
WriteChunkCount uint64
ReplyChunkCount uint64
TotalRdmaRequest uint64
// rarely accessed error counters
PullupCopyCount uint64
HardwayRegisterCount uint64
FailedMarshalCount uint64
BadReplyCount uint64
MrsRecovered uint64
MrsOrphaned uint64
MrsAllocated uint64
EmptySendctxQ uint64
// accessed when receiving a reply
TotalRdmaReply uint64
FixupCopyCount uint64
ReplyWaitsForSend uint64
LocalInvNeeded uint64
NomsgCallCount uint64
BcallCount uint64
}
// parseMountStats parses a /proc/[pid]/mountstats file and returns a slice
@@ -264,7 +299,7 @@ func parseMountStats(r io.Reader) ([]*Mount, error) {
if len(ss) > deviceEntryLen {
// Only NFSv3 and v4 are supported for parsing statistics
if m.Type != nfs3Type && m.Type != nfs4Type {
return nil, fmt.Errorf("cannot parse MountStats for fstype %q", m.Type)
return nil, fmt.Errorf("%w: Cannot parse MountStats for %q", ErrFileParse, m.Type)
}
statVersion := strings.TrimPrefix(ss[8], statVersionPrefix)
@@ -288,7 +323,7 @@ func parseMountStats(r io.Reader) ([]*Mount, error) {
// device [device] mounted on [mount] with fstype [type]
func parseMount(ss []string) (*Mount, error) {
if len(ss) < deviceEntryLen {
return nil, fmt.Errorf("invalid device entry: %v", ss)
return nil, fmt.Errorf("%w: Invalid device %q", ErrFileParse, ss)
}
// Check for specific words appearing at specific indices to ensure
@@ -306,7 +341,7 @@ func parseMount(ss []string) (*Mount, error) {
for _, f := range format {
if ss[f.i] != f.s {
return nil, fmt.Errorf("invalid device entry: %v", ss)
return nil, fmt.Errorf("%w: Invalid device %q", ErrFileParse, ss)
}
}
@@ -343,7 +378,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
switch ss[0] {
case fieldOpts:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS stats: %v", ErrFileParse, ss)
}
if stats.Opts == nil {
stats.Opts = map[string]string{}
@@ -358,7 +393,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
}
case fieldAge:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS stats: %v", ErrFileParse, ss)
}
// Age integer is in seconds
d, err := time.ParseDuration(ss[1] + "s")
@@ -369,7 +404,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
stats.Age = d
case fieldBytes:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS stats: %v", ErrFileParse, ss)
}
bstats, err := parseNFSBytesStats(ss[1:])
if err != nil {
@@ -379,7 +414,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
stats.Bytes = *bstats
case fieldEvents:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS events: %v", ErrFileParse, ss)
}
estats, err := parseNFSEventsStats(ss[1:])
if err != nil {
@@ -389,7 +424,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
stats.Events = *estats
case fieldTransport:
if len(ss) < 3 {
return nil, fmt.Errorf("not enough information for NFS transport stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS transport stats: %v", ErrFileParse, ss)
}
tstats, err := parseNFSTransportStats(ss[1:], statVersion)
@@ -397,7 +432,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
return nil, err
}
stats.Transport = *tstats
stats.Transport = append(stats.Transport, *tstats)
}
// When encountering "per-operation statistics", we must break this
@@ -428,7 +463,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
// integer fields.
func parseNFSBytesStats(ss []string) (*NFSBytesStats, error) {
if len(ss) != fieldBytesLen {
return nil, fmt.Errorf("invalid NFS bytes stats: %v", ss)
return nil, fmt.Errorf("%w: Invalid NFS bytes stats: %v", ErrFileParse, ss)
}
ns := make([]uint64, 0, fieldBytesLen)
@@ -457,7 +492,7 @@ func parseNFSBytesStats(ss []string) (*NFSBytesStats, error) {
// integer fields.
func parseNFSEventsStats(ss []string) (*NFSEventsStats, error) {
if len(ss) != fieldEventsLen {
return nil, fmt.Errorf("invalid NFS events stats: %v", ss)
return nil, fmt.Errorf("%w: invalid NFS events stats: %v", ErrFileParse, ss)
}
ns := make([]uint64, 0, fieldEventsLen)
@@ -521,7 +556,7 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
}
if len(ss) < minFields {
return nil, fmt.Errorf("invalid NFS per-operations stats: %v", ss)
return nil, fmt.Errorf("%w: invalid NFS per-operations stats: %v", ErrFileParse, ss)
}
// Skip string operation name for integers
@@ -534,7 +569,6 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
ns = append(ns, n)
}
opStats := NFSOperationStats{
Operation: strings.TrimSuffix(ss[0], ":"),
Requests: ns[0],
@@ -572,10 +606,10 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
} else if protocol == "udp" {
expectedLength = fieldTransport10UDPLen
} else {
return nil, fmt.Errorf("invalid NFS protocol \"%s\" in stats 1.0 statement: %v", protocol, ss)
return nil, fmt.Errorf("%w: Invalid NFS protocol \"%s\" in stats 1.0 statement: %v", ErrFileParse, protocol, ss)
}
if len(ss) != expectedLength {
return nil, fmt.Errorf("invalid NFS transport stats 1.0 statement: %v", ss)
return nil, fmt.Errorf("%w: Invalid NFS transport stats 1.0 statement: %v", ErrFileParse, ss)
}
case statVersion11:
var expectedLength int
@@ -583,14 +617,17 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
expectedLength = fieldTransport11TCPLen
} else if protocol == "udp" {
expectedLength = fieldTransport11UDPLen
} else if protocol == "rdma" {
expectedLength = fieldTransport11RDMAMinLen
} else {
return nil, fmt.Errorf("invalid NFS protocol \"%s\" in stats 1.1 statement: %v", protocol, ss)
return nil, fmt.Errorf("%w: invalid NFS protocol \"%s\" in stats 1.1 statement: %v", ErrFileParse, protocol, ss)
}
if len(ss) != expectedLength {
return nil, fmt.Errorf("invalid NFS transport stats 1.1 statement: %v", ss)
if (len(ss) != expectedLength && (protocol == "tcp" || protocol == "udp")) ||
(protocol == "rdma" && len(ss) < expectedLength) {
return nil, fmt.Errorf("%w: invalid NFS transport stats 1.1 statement: %v, protocol: %v", ErrFileParse, ss, protocol)
}
default:
return nil, fmt.Errorf("unrecognized NFS transport stats version: %q", statVersion)
return nil, fmt.Errorf("%w: Unrecognized NFS transport stats version: %q, protocol: %v", ErrFileParse, statVersion, protocol)
}
// Allocate enough for v1.1 stats since zero value for v1.1 stats will be okay
@@ -600,7 +637,9 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
// Note: slice length must be set to length of v1.1 stats to avoid a panic when
// only v1.0 stats are present.
// See: https://github.com/prometheus/node_exporter/issues/571.
ns := make([]uint64, fieldTransport11TCPLen)
//
// Note: NFS Over RDMA slice length is fieldTransport11RDMAMaxLen
ns := make([]uint64, fieldTransport11RDMAMaxLen+3)
for i, s := range ss {
n, err := strconv.ParseUint(s, 10, 64)
if err != nil {
@@ -618,9 +657,14 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
// we set them to 0 here.
if protocol == "udp" {
ns = append(ns[:2], append(make([]uint64, 3), ns[2:]...)...)
} else if protocol == "tcp" {
ns = append(ns[:fieldTransport11TCPLen], make([]uint64, fieldTransport11RDMAMaxLen-fieldTransport11TCPLen+3)...)
} else if protocol == "rdma" {
ns = append(ns[:fieldTransport10TCPLen], append(make([]uint64, 3), ns[fieldTransport10TCPLen:]...)...)
}
return &NFSTransportStats{
// NFS xprt over tcp or udp
Protocol: protocol,
Port: ns[0],
Bind: ns[1],
@@ -632,8 +676,32 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
BadTransactionIDs: ns[7],
CumulativeActiveRequests: ns[8],
CumulativeBacklog: ns[9],
MaximumRPCSlotsUsed: ns[10],
CumulativeSendingQueue: ns[11],
CumulativePendingQueue: ns[12],
// NFS xprt over tcp or udp
// And statVersion 1.1
MaximumRPCSlotsUsed: ns[10],
CumulativeSendingQueue: ns[11],
CumulativePendingQueue: ns[12],
// NFS xprt over rdma
// And stat Version 1.1
ReadChunkCount: ns[13],
WriteChunkCount: ns[14],
ReplyChunkCount: ns[15],
TotalRdmaRequest: ns[16],
PullupCopyCount: ns[17],
HardwayRegisterCount: ns[18],
FailedMarshalCount: ns[19],
BadReplyCount: ns[20],
MrsRecovered: ns[21],
MrsOrphaned: ns[22],
MrsAllocated: ns[23],
EmptySendctxQ: ns[24],
TotalRdmaReply: ns[25],
FixupCopyCount: ns[26],
ReplyWaitsForSend: ns[27],
LocalInvNeeded: ns[28],
NomsgCallCount: ns[29],
BcallCount: ns[30],
}, nil
}

91
vendor/github.com/prometheus/procfs/net_conntrackstat.go generated vendored
View File

@@ -18,7 +18,6 @@ import (
"bytes"
"fmt"
"io"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/util"
@@ -28,9 +27,13 @@ import (
// and contains netfilter conntrack statistics at one CPU core.
type ConntrackStatEntry struct {
Entries uint64
Searched uint64
Found uint64
New uint64
Invalid uint64
Ignore uint64
Delete uint64
DeleteList uint64
Insert uint64
InsertFailed uint64
Drop uint64
@@ -55,7 +58,7 @@ func readConntrackStat(path string) ([]ConntrackStatEntry, error) {
stat, err := parseConntrackStat(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to read conntrack stats from %q: %w", path, err)
return nil, fmt.Errorf("%w: Cannot read file: %v: %w", ErrFileRead, path, err)
}
return stat, nil
@@ -81,73 +84,35 @@ func parseConntrackStat(r io.Reader) ([]ConntrackStatEntry, error) {
// Parses a ConntrackStatEntry from given array of fields.
func parseConntrackStatEntry(fields []string) (*ConntrackStatEntry, error) {
if len(fields) != 17 {
return nil, fmt.Errorf("invalid conntrackstat entry, missing fields")
}
entry := &ConntrackStatEntry{}
entries, err := parseConntrackStatField(fields[0])
entries, err := util.ParseHexUint64s(fields)
if err != nil {
return nil, err
return nil, fmt.Errorf("%w: Cannot parse entry: %d: %w", ErrFileParse, entries, err)
}
entry.Entries = entries
found, err := parseConntrackStatField(fields[2])
if err != nil {
return nil, err
numEntries := len(entries)
if numEntries < 16 || numEntries > 17 {
return nil,
fmt.Errorf("%w: invalid conntrackstat entry, invalid number of fields: %d", ErrFileParse, numEntries)
}
entry.Found = found
invalid, err := parseConntrackStatField(fields[4])
if err != nil {
return nil, err
stats := &ConntrackStatEntry{
Entries: *entries[0],
Searched: *entries[1],
Found: *entries[2],
New: *entries[3],
Invalid: *entries[4],
Ignore: *entries[5],
Delete: *entries[6],
DeleteList: *entries[7],
Insert: *entries[8],
InsertFailed: *entries[9],
Drop: *entries[10],
EarlyDrop: *entries[11],
}
entry.Invalid = invalid
ignore, err := parseConntrackStatField(fields[5])
if err != nil {
return nil, err
// Ignore missing search_restart on Linux < 2.6.35.
if numEntries == 17 {
stats.SearchRestart = *entries[16]
}
entry.Ignore = ignore
insert, err := parseConntrackStatField(fields[8])
if err != nil {
return nil, err
}
entry.Insert = insert
insertFailed, err := parseConntrackStatField(fields[9])
if err != nil {
return nil, err
}
entry.InsertFailed = insertFailed
drop, err := parseConntrackStatField(fields[10])
if err != nil {
return nil, err
}
entry.Drop = drop
earlyDrop, err := parseConntrackStatField(fields[11])
if err != nil {
return nil, err
}
entry.EarlyDrop = earlyDrop
searchRestart, err := parseConntrackStatField(fields[16])
if err != nil {
return nil, err
}
entry.SearchRestart = searchRestart
return entry, nil
}
// Parses a uint64 from given hex in string.
func parseConntrackStatField(field string) (uint64, error) {
val, err := strconv.ParseUint(field, 16, 64)
if err != nil {
return 0, fmt.Errorf("couldn't parse %q field: %w", field, err)
}
return val, err
return stats, nil
}

58
vendor/github.com/prometheus/procfs/net_ip_socket.go generated vendored
View File

@@ -50,10 +50,13 @@ type (
// UsedSockets shows the total number of parsed lines representing the
// number of used sockets.
UsedSockets uint64
// Drops shows the total number of dropped packets of all UPD sockets.
Drops *uint64
}
// netIPSocketLine represents the fields parsed from a single line
// in /proc/net/{t,u}dp{,6}. Fields which are not used by IPSocket are skipped.
// Drops is non-nil for udp{,6}, but nil for tcp{,6}.
// For the proc file format details, see https://linux.die.net/man/5/proc.
netIPSocketLine struct {
Sl uint64
@@ -66,6 +69,7 @@ type (
RxQueue uint64
UID uint64
Inode uint64
Drops *uint64
}
)
@@ -77,13 +81,14 @@ func newNetIPSocket(file string) (NetIPSocket, error) {
defer f.Close()
var netIPSocket NetIPSocket
isUDP := strings.Contains(file, "udp")
lr := io.LimitReader(f, readLimit)
s := bufio.NewScanner(lr)
s.Scan() // skip first line with headers
for s.Scan() {
fields := strings.Fields(s.Text())
line, err := parseNetIPSocketLine(fields)
line, err := parseNetIPSocketLine(fields, isUDP)
if err != nil {
return nil, err
}
@@ -104,19 +109,25 @@ func newNetIPSocketSummary(file string) (*NetIPSocketSummary, error) {
defer f.Close()
var netIPSocketSummary NetIPSocketSummary
var udpPacketDrops uint64
isUDP := strings.Contains(file, "udp")
lr := io.LimitReader(f, readLimit)
s := bufio.NewScanner(lr)
s.Scan() // skip first line with headers
for s.Scan() {
fields := strings.Fields(s.Text())
line, err := parseNetIPSocketLine(fields)
line, err := parseNetIPSocketLine(fields, isUDP)
if err != nil {
return nil, err
}
netIPSocketSummary.TxQueueLength += line.TxQueue
netIPSocketSummary.RxQueueLength += line.RxQueue
netIPSocketSummary.UsedSockets++
if isUDP {
udpPacketDrops += *line.Drops
netIPSocketSummary.Drops = &udpPacketDrops
}
}
if err := s.Err(); err != nil {
return nil, err
@@ -130,7 +141,7 @@ func parseIP(hexIP string) (net.IP, error) {
var byteIP []byte
byteIP, err := hex.DecodeString(hexIP)
if err != nil {
return nil, fmt.Errorf("cannot parse address field in socket line %q", hexIP)
return nil, fmt.Errorf("%w: Cannot parse socket field in %q: %w", ErrFileParse, hexIP, err)
}
switch len(byteIP) {
case 4:
@@ -144,16 +155,17 @@ func parseIP(hexIP string) (net.IP, error) {
}
return i, nil
default:
return nil, fmt.Errorf("Unable to parse IP %s", hexIP)
return nil, fmt.Errorf("%w: Unable to parse IP %s: %v", ErrFileParse, hexIP, nil)
}
}
// parseNetIPSocketLine parses a single line, represented by a list of fields.
func parseNetIPSocketLine(fields []string) (*netIPSocketLine, error) {
func parseNetIPSocketLine(fields []string, isUDP bool) (*netIPSocketLine, error) {
line := &netIPSocketLine{}
if len(fields) < 10 {
return nil, fmt.Errorf(
"cannot parse net socket line as it has less then 10 columns %q",
"%w: Less than 10 columns found %q",
ErrFileParse,
strings.Join(fields, " "),
)
}
@@ -162,64 +174,74 @@ func parseNetIPSocketLine(fields []string) (*netIPSocketLine, error) {
// sl
s := strings.Split(fields[0], ":")
if len(s) != 2 {
return nil, fmt.Errorf("cannot parse sl field in socket line %q", fields[0])
return nil, fmt.Errorf("%w: Unable to parse sl field in line %q", ErrFileParse, fields[0])
}
if line.Sl, err = strconv.ParseUint(s[0], 0, 64); err != nil {
return nil, fmt.Errorf("cannot parse sl value in socket line: %w", err)
return nil, fmt.Errorf("%w: Unable to parse sl field in %q: %w", ErrFileParse, line.Sl, err)
}
// local_address
l := strings.Split(fields[1], ":")
if len(l) != 2 {
return nil, fmt.Errorf("cannot parse local_address field in socket line %q", fields[1])
return nil, fmt.Errorf("%w: Unable to parse local_address field in %q", ErrFileParse, fields[1])
}
if line.LocalAddr, err = parseIP(l[0]); err != nil {
return nil, err
}
if line.LocalPort, err = strconv.ParseUint(l[1], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse local_address port value in socket line: %w", err)
return nil, fmt.Errorf("%w: Unable to parse local_address port value line %q: %w", ErrFileParse, line.LocalPort, err)
}
// remote_address
r := strings.Split(fields[2], ":")
if len(r) != 2 {
return nil, fmt.Errorf("cannot parse rem_address field in socket line %q", fields[1])
return nil, fmt.Errorf("%w: Unable to parse rem_address field in %q", ErrFileParse, fields[1])
}
if line.RemAddr, err = parseIP(r[0]); err != nil {
return nil, err
}
if line.RemPort, err = strconv.ParseUint(r[1], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse rem_address port value in socket line: %w", err)
return nil, fmt.Errorf("%w: Cannot parse rem_address port value in %q: %w", ErrFileParse, line.RemPort, err)
}
// st
if line.St, err = strconv.ParseUint(fields[3], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse st value in socket line: %w", err)
return nil, fmt.Errorf("%w: Cannot parse st value in %q: %w", ErrFileParse, line.St, err)
}
// tx_queue and rx_queue
q := strings.Split(fields[4], ":")
if len(q) != 2 {
return nil, fmt.Errorf(
"cannot parse tx/rx queues in socket line as it has a missing colon %q",
"%w: Missing colon for tx/rx queues in socket line %q",
ErrFileParse,
fields[4],
)
}
if line.TxQueue, err = strconv.ParseUint(q[0], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse tx_queue value in socket line: %w", err)
return nil, fmt.Errorf("%w: Cannot parse tx_queue value in %q: %w", ErrFileParse, line.TxQueue, err)
}
if line.RxQueue, err = strconv.ParseUint(q[1], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse rx_queue value in socket line: %w", err)
return nil, fmt.Errorf("%w: Cannot parse trx_queue value in %q: %w", ErrFileParse, line.RxQueue, err)
}
// uid
if line.UID, err = strconv.ParseUint(fields[7], 0, 64); err != nil {
return nil, fmt.Errorf("cannot parse uid value in socket line: %w", err)
return nil, fmt.Errorf("%w: Cannot parse UID value in %q: %w", ErrFileParse, line.UID, err)
}
// inode
if line.Inode, err = strconv.ParseUint(fields[9], 0, 64); err != nil {
return nil, fmt.Errorf("cannot parse inode value in socket line: %w", err)
return nil, fmt.Errorf("%w: Cannot parse inode value in %q: %w", ErrFileParse, line.Inode, err)
}
// drops
if isUDP {
drops, err := strconv.ParseUint(fields[12], 0, 64)
if err != nil {
return nil, fmt.Errorf("%w: Cannot parse drops value in %q: %w", ErrFileParse, drops, err)
}
line.Drops = &drops
}
return line, nil

4
vendor/github.com/prometheus/procfs/net_protocols.go generated vendored
View File

@@ -131,7 +131,7 @@ func (ps NetProtocolStats) parseLine(rawLine string) (*NetProtocolStatLine, erro
} else if fields[6] == disabled {
line.Slab = false
} else {
return nil, fmt.Errorf("unable to parse capability for protocol: %s", line.Name)
return nil, fmt.Errorf("%w: capability for protocol: %s", ErrFileParse, line.Name)
}
line.ModuleName = fields[7]
@@ -173,7 +173,7 @@ func (pc *NetProtocolCapabilities) parseCapabilities(capabilities []string) erro
} else if capabilities[i] == "n" {
*capabilityFields[i] = false
} else {
return fmt.Errorf("unable to parse capability block for protocol: position %d", i)
return fmt.Errorf("%w: capability block for protocol: position %d", ErrFileParse, i)
}
}
return nil

143
vendor/github.com/prometheus/procfs/net_route.go generated vendored Normal file
View File

@@ -0,0 +1,143 @@
// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"bytes"
"fmt"
"io"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/util"
)
const (
blackholeRepresentation string = "*"
blackholeIfaceName string = "blackhole"
routeLineColumns int = 11
)
// A NetRouteLine represents one line from net/route.
type NetRouteLine struct {
Iface string
Destination uint32
Gateway uint32
Flags uint32
RefCnt uint32
Use uint32
Metric uint32
Mask uint32
MTU uint32
Window uint32
IRTT uint32
}
func (fs FS) NetRoute() ([]NetRouteLine, error) {
return readNetRoute(fs.proc.Path("net", "route"))
}
func readNetRoute(path string) ([]NetRouteLine, error) {
b, err := util.ReadFileNoStat(path)
if err != nil {
return nil, err
}
routelines, err := parseNetRoute(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to read net route from %s: %w", path, err)
}
return routelines, nil
}
func parseNetRoute(r io.Reader) ([]NetRouteLine, error) {
var routelines []NetRouteLine
scanner := bufio.NewScanner(r)
scanner.Scan()
for scanner.Scan() {
fields := strings.Fields(scanner.Text())
routeline, err := parseNetRouteLine(fields)
if err != nil {
return nil, err
}
routelines = append(routelines, *routeline)
}
return routelines, nil
}
func parseNetRouteLine(fields []string) (*NetRouteLine, error) {
if len(fields) != routeLineColumns {
return nil, fmt.Errorf("invalid routeline, num of digits: %d", len(fields))
}
iface := fields[0]
if iface == blackholeRepresentation {
iface = blackholeIfaceName
}
destination, err := strconv.ParseUint(fields[1], 16, 32)
if err != nil {
return nil, err
}
gateway, err := strconv.ParseUint(fields[2], 16, 32)
if err != nil {
return nil, err
}
flags, err := strconv.ParseUint(fields[3], 10, 32)
if err != nil {
return nil, err
}
refcnt, err := strconv.ParseUint(fields[4], 10, 32)
if err != nil {
return nil, err
}
use, err := strconv.ParseUint(fields[5], 10, 32)
if err != nil {
return nil, err
}
metric, err := strconv.ParseUint(fields[6], 10, 32)
if err != nil {
return nil, err
}
mask, err := strconv.ParseUint(fields[7], 16, 32)
if err != nil {
return nil, err
}
mtu, err := strconv.ParseUint(fields[8], 10, 32)
if err != nil {
return nil, err
}
window, err := strconv.ParseUint(fields[9], 10, 32)
if err != nil {
return nil, err
}
irtt, err := strconv.ParseUint(fields[10], 10, 32)
if err != nil {
return nil, err
}
routeline := &NetRouteLine{
Iface: iface,
Destination: uint32(destination),
Gateway: uint32(gateway),
Flags: uint32(flags),
RefCnt: uint32(refcnt),
Use: uint32(use),
Metric: uint32(metric),
Mask: uint32(mask),
MTU: uint32(mtu),
Window: uint32(window),
IRTT: uint32(irtt),
}
return routeline, nil
}

9
vendor/github.com/prometheus/procfs/net_sockstat.go generated vendored
View File

@@ -16,7 +16,6 @@ package procfs
import (
"bufio"
"bytes"
"errors"
"fmt"
"io"
"strings"
@@ -70,7 +69,7 @@ func readSockstat(name string) (*NetSockstat, error) {
stat, err := parseSockstat(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to read sockstats from %q: %w", name, err)
return nil, fmt.Errorf("%w: sockstats from %q: %w", ErrFileRead, name, err)
}
return stat, nil
@@ -84,13 +83,13 @@ func parseSockstat(r io.Reader) (*NetSockstat, error) {
// Expect a minimum of a protocol and one key/value pair.
fields := strings.Split(s.Text(), " ")
if len(fields) < 3 {
return nil, fmt.Errorf("malformed sockstat line: %q", s.Text())
return nil, fmt.Errorf("%w: Malformed sockstat line: %q", ErrFileParse, s.Text())
}
// The remaining fields are key/value pairs.
kvs, err := parseSockstatKVs(fields[1:])
if err != nil {
return nil, fmt.Errorf("error parsing sockstat key/value pairs from %q: %w", s.Text(), err)
return nil, fmt.Errorf("%w: sockstat key/value pairs from %q: %w", ErrFileParse, s.Text(), err)
}
// The first field is the protocol. We must trim its colon suffix.
@@ -119,7 +118,7 @@ func parseSockstat(r io.Reader) (*NetSockstat, error) {
// parseSockstatKVs parses a string slice into a map of key/value pairs.
func parseSockstatKVs(kvs []string) (map[string]int, error) {
if len(kvs)%2 != 0 {
return nil, errors.New("odd number of fields in key/value pairs")
return nil, fmt.Errorf("%w:: Odd number of fields in key/value pairs %q", ErrFileParse, kvs)
}
// Iterate two values at a time to gather key/value pairs.

9
vendor/github.com/prometheus/procfs/net_softnet.go generated vendored
View File

@@ -64,7 +64,7 @@ func (fs FS) NetSoftnetStat() ([]SoftnetStat, error) {
entries, err := parseSoftnet(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to parse /proc/net/softnet_stat: %w", err)
return nil, fmt.Errorf("%w: /proc/net/softnet_stat: %w", ErrFileParse, err)
}
return entries, nil
@@ -76,13 +76,14 @@ func parseSoftnet(r io.Reader) ([]SoftnetStat, error) {
s := bufio.NewScanner(r)
var stats []SoftnetStat
cpuIndex := 0
for s.Scan() {
columns := strings.Fields(s.Text())
width := len(columns)
softnetStat := SoftnetStat{}
if width < minColumns {
return nil, fmt.Errorf("%d columns were detected, but at least %d were expected", width, minColumns)
return nil, fmt.Errorf("%w: detected %d columns, but expected at least %d", ErrFileParse, width, minColumns)
}
// Linux 2.6.23 https://elixir.bootlin.com/linux/v2.6.23/source/net/core/dev.c#L2347
@@ -127,9 +128,13 @@ func parseSoftnet(r io.Reader) ([]SoftnetStat, error) {
softnetStat.SoftnetBacklogLen = us[0]
softnetStat.Index = us[1]
} else {
// For older kernels, create the Index based on the scan line number.
softnetStat.Index = uint32(cpuIndex)
}
softnetStat.Width = width
stats = append(stats, softnetStat)
cpuIndex++
}
return stats, nil

119
vendor/github.com/prometheus/procfs/net_tls_stat.go generated vendored Normal file
View File

@@ -0,0 +1,119 @@
// Copyright 2023 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"fmt"
"os"
"strconv"
"strings"
)
// TLSStat struct represents data in /proc/net/tls_stat.
// See https://docs.kernel.org/networking/tls.html#statistics
type TLSStat struct {
// number of TX sessions currently installed where host handles cryptography
TLSCurrTxSw int
// number of RX sessions currently installed where host handles cryptography
TLSCurrRxSw int
// number of TX sessions currently installed where NIC handles cryptography
TLSCurrTxDevice int
// number of RX sessions currently installed where NIC handles cryptography
TLSCurrRxDevice int
//number of TX sessions opened with host cryptography
TLSTxSw int
//number of RX sessions opened with host cryptography
TLSRxSw int
// number of TX sessions opened with NIC cryptography
TLSTxDevice int
// number of RX sessions opened with NIC cryptography
TLSRxDevice int
// record decryption failed (e.g. due to incorrect authentication tag)
TLSDecryptError int
// number of RX resyncs sent to NICs handling cryptography
TLSRxDeviceResync int
// number of RX records which had to be re-decrypted due to TLS_RX_EXPECT_NO_PAD mis-prediction. Note that this counter will also increment for non-data records.
TLSDecryptRetry int
// number of data RX records which had to be re-decrypted due to TLS_RX_EXPECT_NO_PAD mis-prediction.
TLSRxNoPadViolation int
}
// NewTLSStat reads the tls_stat statistics.
func NewTLSStat() (TLSStat, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
return TLSStat{}, err
}
return fs.NewTLSStat()
}
// NewTLSStat reads the tls_stat statistics.
func (fs FS) NewTLSStat() (TLSStat, error) {
file, err := os.Open(fs.proc.Path("net/tls_stat"))
if err != nil {
return TLSStat{}, err
}
defer file.Close()
var (
tlsstat = TLSStat{}
s = bufio.NewScanner(file)
)
for s.Scan() {
fields := strings.Fields(s.Text())
if len(fields) != 2 {
return TLSStat{}, fmt.Errorf("%w: %q line %q", ErrFileParse, file.Name(), s.Text())
}
name := fields[0]
value, err := strconv.Atoi(fields[1])
if err != nil {
return TLSStat{}, err
}
switch name {
case "TlsCurrTxSw":
tlsstat.TLSCurrTxSw = value
case "TlsCurrRxSw":
tlsstat.TLSCurrRxSw = value
case "TlsCurrTxDevice":
tlsstat.TLSCurrTxDevice = value
case "TlsCurrRxDevice":
tlsstat.TLSCurrRxDevice = value
case "TlsTxSw":
tlsstat.TLSTxSw = value
case "TlsRxSw":
tlsstat.TLSRxSw = value
case "TlsTxDevice":
tlsstat.TLSTxDevice = value
case "TlsRxDevice":
tlsstat.TLSRxDevice = value
case "TlsDecryptError":
tlsstat.TLSDecryptError = value
case "TlsRxDeviceResync":
tlsstat.TLSRxDeviceResync = value
case "TlsDecryptRetry":
tlsstat.TLSDecryptRetry = value
case "TlsRxNoPadViolation":
tlsstat.TLSRxNoPadViolation = value
}
}
return tlsstat, s.Err()
}

16
vendor/github.com/prometheus/procfs/net_unix.go generated vendored
View File

@@ -108,14 +108,14 @@ func parseNetUNIX(r io.Reader) (*NetUNIX, error) {
line := s.Text()
item, err := nu.parseLine(line, hasInode, minFields)
if err != nil {
return nil, fmt.Errorf("failed to parse /proc/net/unix data %q: %w", line, err)
return nil, fmt.Errorf("%w: /proc/net/unix encountered data %q: %w", ErrFileParse, line, err)
}
nu.Rows = append(nu.Rows, item)
}
if err := s.Err(); err != nil {
return nil, fmt.Errorf("failed to scan /proc/net/unix data: %w", err)
return nil, fmt.Errorf("%w: /proc/net/unix encountered data: %w", ErrFileParse, err)
}
return &nu, nil
@@ -126,7 +126,7 @@ func (u *NetUNIX) parseLine(line string, hasInode bool, min int) (*NetUNIXLine,
l := len(fields)
if l < min {
return nil, fmt.Errorf("expected at least %d fields but got %d", min, l)
return nil, fmt.Errorf("%w: expected at least %d fields but got %d", ErrFileParse, min, l)
}
// Field offsets are as follows:
@@ -136,29 +136,29 @@ func (u *NetUNIX) parseLine(line string, hasInode bool, min int) (*NetUNIXLine,
users, err := u.parseUsers(fields[1])
if err != nil {
return nil, fmt.Errorf("failed to parse ref count %q: %w", fields[1], err)
return nil, fmt.Errorf("%w: ref count %q: %w", ErrFileParse, fields[1], err)
}
flags, err := u.parseFlags(fields[3])
if err != nil {
return nil, fmt.Errorf("failed to parse flags %q: %w", fields[3], err)
return nil, fmt.Errorf("%w: Unable to parse flags %q: %w", ErrFileParse, fields[3], err)
}
typ, err := u.parseType(fields[4])
if err != nil {
return nil, fmt.Errorf("failed to parse type %q: %w", fields[4], err)
return nil, fmt.Errorf("%w: Failed to parse type %q: %w", ErrFileParse, fields[4], err)
}
state, err := u.parseState(fields[5])
if err != nil {
return nil, fmt.Errorf("failed to parse state %q: %w", fields[5], err)
return nil, fmt.Errorf("%w: Failed to parse state %q: %w", ErrFileParse, fields[5], err)
}
var inode uint64
if hasInode {
inode, err = u.parseInode(fields[6])
if err != nil {
return nil, fmt.Errorf("failed to parse inode %q: %w", fields[6], err)
return nil, fmt.Errorf("%w failed to parse inode %q: %w", ErrFileParse, fields[6], err)
}
}

182
vendor/github.com/prometheus/procfs/net_wireless.go generated vendored Normal file
View File

@@ -0,0 +1,182 @@
// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"bytes"
"fmt"
"io"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/util"
)
// Wireless models the content of /proc/net/wireless.
type Wireless struct {
Name string
// Status is the current 4-digit hex value status of the interface.
Status uint64
// QualityLink is the link quality.
QualityLink int
// QualityLevel is the signal gain (dBm).
QualityLevel int
// QualityNoise is the signal noise baseline (dBm).
QualityNoise int
// DiscardedNwid is the number of discarded packets with wrong nwid/essid.
DiscardedNwid int
// DiscardedCrypt is the number of discarded packets with wrong code/decode (WEP).
DiscardedCrypt int
// DiscardedFrag is the number of discarded packets that can't perform MAC reassembly.
DiscardedFrag int
// DiscardedRetry is the number of discarded packets that reached max MAC retries.
DiscardedRetry int
// DiscardedMisc is the number of discarded packets for other reasons.
DiscardedMisc int
// MissedBeacon is the number of missed beacons/superframe.
MissedBeacon int
}
// Wireless returns kernel wireless statistics.
func (fs FS) Wireless() ([]*Wireless, error) {
b, err := util.ReadFileNoStat(fs.proc.Path("net/wireless"))
if err != nil {
return nil, err
}
m, err := parseWireless(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("%w: wireless: %w", ErrFileParse, err)
}
return m, nil
}
// parseWireless parses the contents of /proc/net/wireless.
/*
Inter-| sta-| Quality | Discarded packets | Missed | WE
face | tus | link level noise | nwid crypt frag retry misc | beacon | 22
eth1: 0000 5. -256. -10. 0 1 0 3 0 0
eth2: 0000 5. -256. -20. 0 2 0 4 0 0
*/
func parseWireless(r io.Reader) ([]*Wireless, error) {
var (
interfaces []*Wireless
scanner = bufio.NewScanner(r)
)
for n := 0; scanner.Scan(); n++ {
// Skip the 2 header lines.
if n < 2 {
continue
}
line := scanner.Text()
parts := strings.Split(line, ":")
if len(parts) != 2 {
return nil, fmt.Errorf("%w: expected 2 parts after splitting line by ':', got %d for line %q", ErrFileParse, len(parts), line)
}
name := strings.TrimSpace(parts[0])
stats := strings.Fields(parts[1])
if len(stats) < 10 {
return nil, fmt.Errorf("%w: invalid number of fields in line %d, expected 10+, got %d: %q", ErrFileParse, n, len(stats), line)
}
status, err := strconv.ParseUint(stats[0], 16, 16)
if err != nil {
return nil, fmt.Errorf("%w: invalid status in line %d: %q", ErrFileParse, n, line)
}
qlink, err := strconv.Atoi(strings.TrimSuffix(stats[1], "."))
if err != nil {
return nil, fmt.Errorf("%w: parse Quality:link as integer %q: %w", ErrFileParse, qlink, err)
}
qlevel, err := strconv.Atoi(strings.TrimSuffix(stats[2], "."))
if err != nil {
return nil, fmt.Errorf("%w: Quality:level as integer %q: %w", ErrFileParse, qlevel, err)
}
qnoise, err := strconv.Atoi(strings.TrimSuffix(stats[3], "."))
if err != nil {
return nil, fmt.Errorf("%w: Quality:noise as integer %q: %w", ErrFileParse, qnoise, err)
}
dnwid, err := strconv.Atoi(stats[4])
if err != nil {
return nil, fmt.Errorf("%w: Discarded:nwid as integer %q: %w", ErrFileParse, dnwid, err)
}
dcrypt, err := strconv.Atoi(stats[5])
if err != nil {
return nil, fmt.Errorf("%w: Discarded:crypt as integer %q: %w", ErrFileParse, dcrypt, err)
}
dfrag, err := strconv.Atoi(stats[6])
if err != nil {
return nil, fmt.Errorf("%w: Discarded:frag as integer %q: %w", ErrFileParse, dfrag, err)
}
dretry, err := strconv.Atoi(stats[7])
if err != nil {
return nil, fmt.Errorf("%w: Discarded:retry as integer %q: %w", ErrFileParse, dretry, err)
}
dmisc, err := strconv.Atoi(stats[8])
if err != nil {
return nil, fmt.Errorf("%w: Discarded:misc as integer %q: %w", ErrFileParse, dmisc, err)
}
mbeacon, err := strconv.Atoi(stats[9])
if err != nil {
return nil, fmt.Errorf("%w: Missed:beacon as integer %q: %w", ErrFileParse, mbeacon, err)
}
w := &Wireless{
Name: name,
Status: status,
QualityLink: qlink,
QualityLevel: qlevel,
QualityNoise: qnoise,
DiscardedNwid: dnwid,
DiscardedCrypt: dcrypt,
DiscardedFrag: dfrag,
DiscardedRetry: dretry,
DiscardedMisc: dmisc,
MissedBeacon: mbeacon,
}
interfaces = append(interfaces, w)
}
if err := scanner.Err(); err != nil {
return nil, fmt.Errorf("%w: Failed to scan /proc/net/wireless: %w", ErrFileRead, err)
}
return interfaces, nil
}

2
vendor/github.com/prometheus/procfs/net_xfrm.go generated vendored
View File

@@ -115,7 +115,7 @@ func (fs FS) NewXfrmStat() (XfrmStat, error) {
fields := strings.Fields(s.Text())
if len(fields) != 2 {
return XfrmStat{}, fmt.Errorf("couldn't parse %q line %q", file.Name(), s.Text())
return XfrmStat{}, fmt.Errorf("%w: %q line %q", ErrFileParse, file.Name(), s.Text())
}
name := fields[0]

25
vendor/github.com/prometheus/procfs/netstat.go generated vendored
View File

@@ -15,7 +15,6 @@ package procfs
import (
"bufio"
"io"
"os"
"path/filepath"
"strconv"
@@ -38,12 +37,7 @@ func (fs FS) NetStat() ([]NetStat, error) {
var netStatsTotal []NetStat
for _, filePath := range statFiles {
file, err := os.Open(filePath)
if err != nil {
return nil, err
}
procNetstat, err := parseNetstat(file)
procNetstat, err := parseNetstat(filePath)
if err != nil {
return nil, err
}
@@ -56,14 +50,17 @@ func (fs FS) NetStat() ([]NetStat, error) {
// parseNetstat parses the metrics from `/proc/net/stat/` file
// and returns a NetStat structure.
func parseNetstat(r io.Reader) (NetStat, error) {
var (
scanner = bufio.NewScanner(r)
netStat = NetStat{
Stats: make(map[string][]uint64),
}
)
func parseNetstat(filePath string) (NetStat, error) {
netStat := NetStat{
Stats: make(map[string][]uint64),
}
file, err := os.Open(filePath)
if err != nil {
return netStat, err
}
defer file.Close()
scanner := bufio.NewScanner(file)
scanner.Scan()
// First string is always a header for stats

39
vendor/github.com/prometheus/procfs/proc.go generated vendored
View File

@@ -15,13 +15,13 @@ package procfs
import (
"bytes"
"errors"
"fmt"
"io"
"os"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/fs"
"github.com/prometheus/procfs/internal/util"
)
@@ -30,12 +30,18 @@ type Proc struct {
// The process ID.
PID int
fs fs.FS
fs FS
}
// Procs represents a list of Proc structs.
type Procs []Proc
var (
ErrFileParse = errors.New("Error Parsing File")
ErrFileRead = errors.New("Error Reading File")
ErrMountPoint = errors.New("Error Accessing Mount point")
)
func (p Procs) Len() int { return len(p) }
func (p Procs) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
func (p Procs) Less(i, j int) bool { return p[i].PID < p[j].PID }
@@ -43,7 +49,7 @@ func (p Procs) Less(i, j int) bool { return p[i].PID < p[j].PID }
// Self returns a process for the current process read via /proc/self.
func Self() (Proc, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
if err != nil || errors.Unwrap(err) == ErrMountPoint {
return Proc{}, err
}
return fs.Self()
@@ -92,7 +98,7 @@ func (fs FS) Proc(pid int) (Proc, error) {
if _, err := os.Stat(fs.proc.Path(strconv.Itoa(pid))); err != nil {
return Proc{}, err
}
return Proc{PID: pid, fs: fs.proc}, nil
return Proc{PID: pid, fs: fs}, nil
}
// AllProcs returns a list of all currently available processes.
@@ -105,7 +111,7 @@ func (fs FS) AllProcs() (Procs, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return Procs{}, fmt.Errorf("could not read %q: %w", d.Name(), err)
return Procs{}, fmt.Errorf("%w: Cannot read file: %v: %w", ErrFileRead, names, err)
}
p := Procs{}
@@ -114,7 +120,7 @@ func (fs FS) AllProcs() (Procs, error) {
if err != nil {
continue
}
p = append(p, Proc{PID: int(pid), fs: fs.proc})
p = append(p, Proc{PID: int(pid), fs: fs})
}
return p, nil
@@ -131,7 +137,7 @@ func (p Proc) CmdLine() ([]string, error) {
return []string{}, nil
}
return strings.Split(string(bytes.TrimRight(data, string("\x00"))), string(byte(0))), nil
return strings.Split(string(bytes.TrimRight(data, "\x00")), "\x00"), nil
}
// Wchan returns the wchan (wait channel) of a process.
@@ -206,7 +212,7 @@ func (p Proc) FileDescriptors() ([]uintptr, error) {
for i, n := range names {
fd, err := strconv.ParseInt(n, 10, 32)
if err != nil {
return nil, fmt.Errorf("could not parse fd %q: %w", n, err)
return nil, fmt.Errorf("%w: Cannot parse line: %v: %w", ErrFileParse, i, err)
}
fds[i] = uintptr(fd)
}
@@ -237,6 +243,19 @@ func (p Proc) FileDescriptorTargets() ([]string, error) {
// FileDescriptorsLen returns the number of currently open file descriptors of
// a process.
func (p Proc) FileDescriptorsLen() (int, error) {
// Use fast path if available (Linux v6.2): https://github.com/torvalds/linux/commit/f1f1f2569901
if p.fs.isReal {
stat, err := os.Stat(p.path("fd"))
if err != nil {
return 0, err
}
size := stat.Size()
if size > 0 {
return int(size), nil
}
}
fds, err := p.fileDescriptors()
if err != nil {
return 0, err
@@ -278,14 +297,14 @@ func (p Proc) fileDescriptors() ([]string, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return nil, fmt.Errorf("could not read %q: %w", d.Name(), err)
return nil, fmt.Errorf("%w: Cannot read file: %v: %w", ErrFileRead, names, err)
}
return names, nil
}
func (p Proc) path(pa ...string) string {
return p.fs.Path(append([]string{strconv.Itoa(p.PID)}, pa...)...)
return p.fs.proc.Path(append([]string{strconv.Itoa(p.PID)}, pa...)...)
}
// FileDescriptorsInfo retrieves information about all file descriptors of

4
vendor/github.com/prometheus/procfs/proc_cgroup.go generated vendored
View File

@@ -51,7 +51,7 @@ func parseCgroupString(cgroupStr string) (*Cgroup, error) {
fields := strings.SplitN(cgroupStr, ":", 3)
if len(fields) < 3 {
return nil, fmt.Errorf("at least 3 fields required, found %d fields in cgroup string: %s", len(fields), cgroupStr)
return nil, fmt.Errorf("%w: 3+ fields required, found %d fields in cgroup string: %s", ErrFileParse, len(fields), cgroupStr)
}
cgroup := &Cgroup{
@@ -60,7 +60,7 @@ func parseCgroupString(cgroupStr string) (*Cgroup, error) {
}
cgroup.HierarchyID, err = strconv.Atoi(fields[0])
if err != nil {
return nil, fmt.Errorf("failed to parse hierarchy ID")
return nil, fmt.Errorf("%w: hierarchy ID: %q", ErrFileParse, cgroup.HierarchyID)
}
if fields[1] != "" {
ssNames := strings.Split(fields[1], ",")

8
vendor/github.com/prometheus/procfs/proc_cgroups.go generated vendored
View File

@@ -46,7 +46,7 @@ func parseCgroupSummaryString(CgroupSummaryStr string) (*CgroupSummary, error) {
fields := strings.Fields(CgroupSummaryStr)
// require at least 4 fields
if len(fields) < 4 {
return nil, fmt.Errorf("at least 4 fields required, found %d fields in cgroup info string: %s", len(fields), CgroupSummaryStr)
return nil, fmt.Errorf("%w: 4+ fields required, found %d fields in cgroup info string: %s", ErrFileParse, len(fields), CgroupSummaryStr)
}
CgroupSummary := &CgroupSummary{
@@ -54,15 +54,15 @@ func parseCgroupSummaryString(CgroupSummaryStr string) (*CgroupSummary, error) {
}
CgroupSummary.Hierarchy, err = strconv.Atoi(fields[1])
if err != nil {
return nil, fmt.Errorf("failed to parse hierarchy ID")
return nil, fmt.Errorf("%w: Unable to parse hierarchy ID from %q", ErrFileParse, fields[1])
}
CgroupSummary.Cgroups, err = strconv.Atoi(fields[2])
if err != nil {
return nil, fmt.Errorf("failed to parse Cgroup Num")
return nil, fmt.Errorf("%w: Unable to parse Cgroup Num from %q", ErrFileParse, fields[2])
}
CgroupSummary.Enabled, err = strconv.Atoi(fields[3])
if err != nil {
return nil, fmt.Errorf("failed to parse Enabled")
return nil, fmt.Errorf("%w: Unable to parse Enabled from %q", ErrFileParse, fields[3])
}
return CgroupSummary, nil
}

10
vendor/github.com/prometheus/procfs/proc_fdinfo.go generated vendored
View File

@@ -26,6 +26,7 @@ var (
rPos = regexp.MustCompile(`^pos:\s+(\d+)$`)
rFlags = regexp.MustCompile(`^flags:\s+(\d+)$`)
rMntID = regexp.MustCompile(`^mnt_id:\s+(\d+)$`)
rIno = regexp.MustCompile(`^ino:\s+(\d+)$`)
rInotify = regexp.MustCompile(`^inotify`)
rInotifyParts = regexp.MustCompile(`^inotify\s+wd:([0-9a-f]+)\s+ino:([0-9a-f]+)\s+sdev:([0-9a-f]+)(?:\s+mask:([0-9a-f]+))?`)
)
@@ -40,6 +41,8 @@ type ProcFDInfo struct {
Flags string
// Mount point ID
MntID string
// Inode number
Ino string
// List of inotify lines (structured) in the fdinfo file (kernel 3.8+ only)
InotifyInfos []InotifyInfo
}
@@ -51,7 +54,7 @@ func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) {
return nil, err
}
var text, pos, flags, mntid string
var text, pos, flags, mntid, ino string
var inotify []InotifyInfo
scanner := bufio.NewScanner(bytes.NewReader(data))
@@ -63,6 +66,8 @@ func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) {
flags = rFlags.FindStringSubmatch(text)[1]
} else if rMntID.MatchString(text) {
mntid = rMntID.FindStringSubmatch(text)[1]
} else if rIno.MatchString(text) {
ino = rIno.FindStringSubmatch(text)[1]
} else if rInotify.MatchString(text) {
newInotify, err := parseInotifyInfo(text)
if err != nil {
@@ -77,6 +82,7 @@ func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) {
Pos: pos,
Flags: flags,
MntID: mntid,
Ino: ino,
InotifyInfos: inotify,
}
@@ -111,7 +117,7 @@ func parseInotifyInfo(line string) (*InotifyInfo, error) {
}
return i, nil
}
return nil, fmt.Errorf("invalid inode entry: %q", line)
return nil, fmt.Errorf("%w: invalid inode entry: %q", ErrFileParse, line)
}
// ProcFDInfos represents a list of ProcFDInfo structs.

2
vendor/github.com/prometheus/procfs/proc_interrupts.go generated vendored
View File

@@ -66,7 +66,7 @@ func parseInterrupts(r io.Reader) (Interrupts, error) {
continue
}
if len(parts) < 2 {
return nil, fmt.Errorf("not enough fields in interrupts (expected at least 2 fields but got %d): %s", len(parts), parts)
return nil, fmt.Errorf("%w: Not enough fields in interrupts (expected 2+ fields but got %d): %s", ErrFileParse, len(parts), parts)
}
intName := parts[0][:len(parts[0])-1] // remove trailing :

4
vendor/github.com/prometheus/procfs/proc_limits.go generated vendored
View File

@@ -103,7 +103,7 @@ func (p Proc) Limits() (ProcLimits, error) {
//fields := limitsMatch.Split(s.Text(), limitsFields)
fields := limitsMatch.FindStringSubmatch(s.Text())
if len(fields) != limitsFields {
return ProcLimits{}, fmt.Errorf("couldn't parse %q line %q", f.Name(), s.Text())
return ProcLimits{}, fmt.Errorf("%w: couldn't parse %q line %q", ErrFileParse, f.Name(), s.Text())
}
switch fields[1] {
@@ -154,7 +154,7 @@ func parseUint(s string) (uint64, error) {
}
i, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return 0, fmt.Errorf("couldn't parse value %q: %w", s, err)
return 0, fmt.Errorf("%w: couldn't parse value %q: %w", ErrFileParse, s, err)
}
return i, nil
}

24
vendor/github.com/prometheus/procfs/proc_maps.go generated vendored
View File

@@ -63,17 +63,17 @@ type ProcMap struct {
// parseDevice parses the device token of a line and converts it to a dev_t
// (mkdev) like structure.
func parseDevice(s string) (uint64, error) {
toks := strings.Split(s, ":")
if len(toks) < 2 {
return 0, fmt.Errorf("unexpected number of fields")
i := strings.Index(s, ":")
if i == -1 {
return 0, fmt.Errorf("%w: expected separator `:` in %s", ErrFileParse, s)
}
major, err := strconv.ParseUint(toks[0], 16, 0)
major, err := strconv.ParseUint(s[0:i], 16, 0)
if err != nil {
return 0, err
}
minor, err := strconv.ParseUint(toks[1], 16, 0)
minor, err := strconv.ParseUint(s[i+1:], 16, 0)
if err != nil {
return 0, err
}
@@ -93,17 +93,17 @@ func parseAddress(s string) (uintptr, error) {
// parseAddresses parses the start-end address.
func parseAddresses(s string) (uintptr, uintptr, error) {
toks := strings.Split(s, "-")
if len(toks) < 2 {
return 0, 0, fmt.Errorf("invalid address")
idx := strings.Index(s, "-")
if idx == -1 {
return 0, 0, fmt.Errorf("%w: expected separator `-` in %s", ErrFileParse, s)
}
saddr, err := parseAddress(toks[0])
saddr, err := parseAddress(s[0:idx])
if err != nil {
return 0, 0, err
}
eaddr, err := parseAddress(toks[1])
eaddr, err := parseAddress(s[idx+1:])
if err != nil {
return 0, 0, err
}
@@ -114,7 +114,7 @@ func parseAddresses(s string) (uintptr, uintptr, error) {
// parsePermissions parses a token and returns any that are set.
func parsePermissions(s string) (*ProcMapPermissions, error) {
if len(s) < 4 {
return nil, fmt.Errorf("invalid permissions token")
return nil, fmt.Errorf("%w: invalid permissions token", ErrFileParse)
}
perms := ProcMapPermissions{}
@@ -141,7 +141,7 @@ func parsePermissions(s string) (*ProcMapPermissions, error) {
func parseProcMap(text string) (*ProcMap, error) {
fields := strings.Fields(text)
if len(fields) < 5 {
return nil, fmt.Errorf("truncated procmap entry")
return nil, fmt.Errorf("%w: truncated procmap entry", ErrFileParse)
}
saddr, eaddr, err := parseAddresses(fields[0])

4
vendor/github.com/prometheus/procfs/proc_netstat.go generated vendored
View File

@@ -195,8 +195,8 @@ func parseProcNetstat(r io.Reader, fileName string) (ProcNetstat, error) {
// Remove trailing :.
protocol := strings.TrimSuffix(nameParts[0], ":")
if len(nameParts) != len(valueParts) {
return procNetstat, fmt.Errorf("mismatch field count mismatch in %s: %s",
fileName, protocol)
return procNetstat, fmt.Errorf("%w: mismatch field count mismatch in %s: %s",
ErrFileParse, fileName, protocol)
}
for i := 1; i < len(nameParts); i++ {
value, err := strconv.ParseFloat(valueParts[i], 64)

6
vendor/github.com/prometheus/procfs/proc_ns.go generated vendored
View File

@@ -40,7 +40,7 @@ func (p Proc) Namespaces() (Namespaces, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return nil, fmt.Errorf("failed to read contents of ns dir: %w", err)
return nil, fmt.Errorf("%w: failed to read contents of ns dir: %w", ErrFileRead, err)
}
ns := make(Namespaces, len(names))
@@ -52,13 +52,13 @@ func (p Proc) Namespaces() (Namespaces, error) {
fields := strings.SplitN(target, ":", 2)
if len(fields) != 2 {
return nil, fmt.Errorf("failed to parse namespace type and inode from %q", target)
return nil, fmt.Errorf("%w: namespace type and inode from %q", ErrFileParse, target)
}
typ := fields[0]
inode, err := strconv.ParseUint(strings.Trim(fields[1], "[]"), 10, 32)
if err != nil {
return nil, fmt.Errorf("failed to parse inode from %q: %w", fields[1], err)
return nil, fmt.Errorf("%w: inode from %q: %w", ErrFileParse, fields[1], err)
}
ns[name] = Namespace{typ, uint32(inode)}

6
vendor/github.com/prometheus/procfs/proc_psi.go generated vendored
View File

@@ -61,14 +61,14 @@ type PSIStats struct {
func (fs FS) PSIStatsForResource(resource string) (PSIStats, error) {
data, err := util.ReadFileNoStat(fs.proc.Path(fmt.Sprintf("%s/%s", "pressure", resource)))
if err != nil {
return PSIStats{}, fmt.Errorf("psi_stats: unavailable for %q: %w", resource, err)
return PSIStats{}, fmt.Errorf("%w: psi_stats: unavailable for %q: %w", ErrFileRead, resource, err)
}
return parsePSIStats(resource, bytes.NewReader(data))
return parsePSIStats(bytes.NewReader(data))
}
// parsePSIStats parses the specified file for pressure stall information.
func parsePSIStats(resource string, r io.Reader) (PSIStats, error) {
func parsePSIStats(r io.Reader) (PSIStats, error) {
psiStats := PSIStats{}
scanner := bufio.NewScanner(r)

6
vendor/github.com/prometheus/procfs/proc_smaps.go generated vendored
View File

@@ -127,7 +127,7 @@ func (s *ProcSMapsRollup) parseLine(line string) error {
}
v := strings.TrimSpace(kv[1])
v = strings.TrimRight(v, " kB")
v = strings.TrimSuffix(v, " kB")
vKBytes, err := strconv.ParseUint(v, 10, 64)
if err != nil {
@@ -135,12 +135,12 @@ func (s *ProcSMapsRollup) parseLine(line string) error {
}
vBytes := vKBytes * 1024
s.addValue(k, v, vKBytes, vBytes)
s.addValue(k, vBytes)
return nil
}
func (s *ProcSMapsRollup) addValue(k string, vString string, vUint uint64, vUintBytes uint64) {
func (s *ProcSMapsRollup) addValue(k string, vUintBytes uint64) {
switch k {
case "Rss":
s.Rss += vUintBytes

4
vendor/github.com/prometheus/procfs/proc_snmp.go generated vendored
View File

@@ -159,8 +159,8 @@ func parseSnmp(r io.Reader, fileName string) (ProcSnmp, error) {
// Remove trailing :.
protocol := strings.TrimSuffix(nameParts[0], ":")
if len(nameParts) != len(valueParts) {
return procSnmp, fmt.Errorf("mismatch field count mismatch in %s: %s",
fileName, protocol)
return procSnmp, fmt.Errorf("%w: mismatch field count mismatch in %s: %s",
ErrFileParse, fileName, protocol)
}
for i := 1; i < len(nameParts); i++ {
value, err := strconv.ParseFloat(valueParts[i], 64)

15
vendor/github.com/prometheus/procfs/proc_stat.go generated vendored
View File

@@ -18,7 +18,6 @@ import (
"fmt"
"os"
"github.com/prometheus/procfs/internal/fs"
"github.com/prometheus/procfs/internal/util"
)
@@ -111,8 +110,13 @@ type ProcStat struct {
Policy uint
// Aggregated block I/O delays, measured in clock ticks (centiseconds).
DelayAcctBlkIOTicks uint64
// Guest time of the process (time spent running a virtual CPU for a guest
// operating system), measured in clock ticks.
GuestTime int
// Guest time of the process's children, measured in clock ticks.
CGuestTime int
proc fs.FS
proc FS
}
// NewStat returns the current status information of the process.
@@ -139,7 +143,7 @@ func (p Proc) Stat() (ProcStat, error) {
)
if l < 0 || r < 0 {
return ProcStat{}, fmt.Errorf("unexpected format, couldn't extract comm %q", data)
return ProcStat{}, fmt.Errorf("%w: unexpected format, couldn't extract comm %q", ErrFileParse, data)
}
s.Comm = string(data[l+1 : r])
@@ -190,6 +194,8 @@ func (p Proc) Stat() (ProcStat, error) {
&s.RTPriority,
&s.Policy,
&s.DelayAcctBlkIOTicks,
&s.GuestTime,
&s.CGuestTime,
)
if err != nil {
return ProcStat{}, err
@@ -210,8 +216,7 @@ func (s ProcStat) ResidentMemory() int {
// StartTime returns the unix timestamp of the process in seconds.
func (s ProcStat) StartTime() (float64, error) {
fs := FS{proc: s.proc}
stat, err := fs.Stat()
stat, err := s.proc.Stat()
if err != nil {
return 0, err
}

82
vendor/github.com/prometheus/procfs/proc_status.go generated vendored
View File

@@ -15,6 +15,8 @@ package procfs
import (
"bytes"
"math/bits"
"sort"
"strconv"
"strings"
@@ -22,7 +24,7 @@ import (
)
// ProcStatus provides status information about the process,
// read from /proc/[pid]/stat.
// read from /proc/[pid]/status.
type ProcStatus struct {
// The process ID.
PID int
@@ -31,6 +33,8 @@ type ProcStatus struct {
// Thread group ID.
TGID int
// List of Pid namespace.
NSpids []uint64
// Peak virtual memory size.
VmPeak uint64 // nolint:revive
@@ -73,9 +77,12 @@ type ProcStatus struct {
NonVoluntaryCtxtSwitches uint64
// UIDs of the process (Real, effective, saved set, and filesystem UIDs)
UIDs [4]string
UIDs [4]uint64
// GIDs of the process (Real, effective, saved set, and filesystem GIDs)
GIDs [4]string
GIDs [4]uint64
// CpusAllowedList: List of cpu cores processes are allowed to run on.
CpusAllowedList []uint64
}
// NewStatus returns the current status information of the process.
@@ -107,22 +114,39 @@ func (p Proc) NewStatus() (ProcStatus, error) {
// convert kB to B
vBytes := vKBytes * 1024
s.fillStatus(k, v, vKBytes, vBytes)
err = s.fillStatus(k, v, vKBytes, vBytes)
if err != nil {
return ProcStatus{}, err
}
}
return s, nil
}
func (s *ProcStatus) fillStatus(k string, vString string, vUint uint64, vUintBytes uint64) {
func (s *ProcStatus) fillStatus(k string, vString string, vUint uint64, vUintBytes uint64) error {
switch k {
case "Tgid":
s.TGID = int(vUint)
case "Name":
s.Name = vString
case "Uid":
copy(s.UIDs[:], strings.Split(vString, "\t"))
var err error
for i, v := range strings.Split(vString, "\t") {
s.UIDs[i], err = strconv.ParseUint(v, 10, bits.UintSize)
if err != nil {
return err
}
}
case "Gid":
copy(s.GIDs[:], strings.Split(vString, "\t"))
var err error
for i, v := range strings.Split(vString, "\t") {
s.GIDs[i], err = strconv.ParseUint(v, 10, bits.UintSize)
if err != nil {
return err
}
}
case "NSpid":
s.NSpids = calcNSPidsList(vString)
case "VmPeak":
s.VmPeak = vUintBytes
case "VmSize":
@@ -161,10 +185,54 @@ func (s *ProcStatus) fillStatus(k string, vString string, vUint uint64, vUintByt
s.VoluntaryCtxtSwitches = vUint
case "nonvoluntary_ctxt_switches":
s.NonVoluntaryCtxtSwitches = vUint
case "Cpus_allowed_list":
s.CpusAllowedList = calcCpusAllowedList(vString)
}
return nil
}
// TotalCtxtSwitches returns the total context switch.
func (s ProcStatus) TotalCtxtSwitches() uint64 {
return s.VoluntaryCtxtSwitches + s.NonVoluntaryCtxtSwitches
}
func calcCpusAllowedList(cpuString string) []uint64 {
s := strings.Split(cpuString, ",")
var g []uint64
for _, cpu := range s {
// parse cpu ranges, example: 1-3=[1,2,3]
if l := strings.Split(strings.TrimSpace(cpu), "-"); len(l) > 1 {
startCPU, _ := strconv.ParseUint(l[0], 10, 64)
endCPU, _ := strconv.ParseUint(l[1], 10, 64)
for i := startCPU; i <= endCPU; i++ {
g = append(g, i)
}
} else if len(l) == 1 {
cpu, _ := strconv.ParseUint(l[0], 10, 64)
g = append(g, cpu)
}
}
sort.Slice(g, func(i, j int) bool { return g[i] < g[j] })
return g
}
func calcNSPidsList(nspidsString string) []uint64 {
s := strings.Split(nspidsString, " ")
var nspids []uint64
for _, nspid := range s {
nspid, _ := strconv.ParseUint(nspid, 10, 64)
if nspid == 0 {
continue
}
nspids = append(nspids, nspid)
}
return nspids
}

2
vendor/github.com/prometheus/procfs/proc_sys.go generated vendored
View File

@@ -44,7 +44,7 @@ func (fs FS) SysctlInts(sysctl string) ([]int, error) {
vp := util.NewValueParser(f)
values[i] = vp.Int()
if err := vp.Err(); err != nil {
return nil, fmt.Errorf("field %d in sysctl %s is not a valid int: %w", i, sysctl, err)
return nil, fmt.Errorf("%w: field %d in sysctl %s is not a valid int: %w", ErrFileParse, i, sysctl, err)
}
}
return values, nil

2
vendor/github.com/prometheus/procfs/slab.go generated vendored
View File

@@ -68,7 +68,7 @@ func parseV21SlabEntry(line string) (*Slab, error) {
l := slabSpace.ReplaceAllString(line, " ")
s := strings.Split(l, " ")
if len(s) != 16 {
return nil, fmt.Errorf("unable to parse: %q", line)
return nil, fmt.Errorf("%w: unable to parse: %q", ErrFileParse, line)
}
var err error
i := &Slab{Name: s[0]}

24
vendor/github.com/prometheus/procfs/softirqs.go generated vendored
View File

@@ -57,7 +57,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
)
if !scanner.Scan() {
return Softirqs{}, fmt.Errorf("softirqs empty")
return Softirqs{}, fmt.Errorf("%w: softirqs empty", ErrFileRead)
}
for scanner.Scan() {
@@ -74,7 +74,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Hi = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Hi[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (HI%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse %q (HI%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "TIMER:":
@@ -82,7 +82,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Timer = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Timer[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (TIMER%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse %q (TIMER%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "NET_TX:":
@@ -90,7 +90,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.NetTx = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.NetTx[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (NET_TX%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse %q (NET_TX%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "NET_RX:":
@@ -98,7 +98,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.NetRx = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.NetRx[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (NET_RX%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse %q (NET_RX%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "BLOCK:":
@@ -106,7 +106,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Block = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Block[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (BLOCK%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse %q (BLOCK%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "IRQ_POLL:":
@@ -114,7 +114,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.IRQPoll = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.IRQPoll[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (IRQ_POLL%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse %q (IRQ_POLL%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "TASKLET:":
@@ -122,7 +122,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Tasklet = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Tasklet[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (TASKLET%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse %q (TASKLET%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "SCHED:":
@@ -130,7 +130,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Sched = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Sched[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (SCHED%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse %q (SCHED%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "HRTIMER:":
@@ -138,7 +138,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.HRTimer = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.HRTimer[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (HRTIMER%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse %q (HRTIMER%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "RCU:":
@@ -146,14 +146,14 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.RCU = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.RCU[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (RCU%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse %q (RCU%d): %w", ErrFileParse, count, i, err)
}
}
}
}
if err := scanner.Err(); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse softirqs: %w", err)
return Softirqs{}, fmt.Errorf("%w: couldn't parse softirqs: %w", ErrFileParse, err)
}
return softirqs, scanner.Err()

28
vendor/github.com/prometheus/procfs/stat.go generated vendored
View File

@@ -93,10 +93,10 @@ func parseCPUStat(line string) (CPUStat, int64, error) {
&cpuStat.Guest, &cpuStat.GuestNice)
if err != nil && err != io.EOF {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %q (cpu): %w", line, err)
return CPUStat{}, -1, fmt.Errorf("%w: couldn't parse %q (cpu): %w", ErrFileParse, line, err)
}
if count == 0 {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %q (cpu): 0 elements parsed", line)
return CPUStat{}, -1, fmt.Errorf("%w: couldn't parse %q (cpu): 0 elements parsed", ErrFileParse, line)
}
cpuStat.User /= userHZ
@@ -116,7 +116,7 @@ func parseCPUStat(line string) (CPUStat, int64, error) {
cpuID, err := strconv.ParseInt(cpu[3:], 10, 64)
if err != nil {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %q (cpu/cpuid): %w", line, err)
return CPUStat{}, -1, fmt.Errorf("%w: couldn't parse %q (cpu/cpuid): %w", ErrFileParse, line, err)
}
return cpuStat, cpuID, nil
@@ -136,7 +136,7 @@ func parseSoftIRQStat(line string) (SoftIRQStat, uint64, error) {
&softIRQStat.Hrtimer, &softIRQStat.Rcu)
if err != nil {
return SoftIRQStat{}, 0, fmt.Errorf("couldn't parse %q (softirq): %w", line, err)
return SoftIRQStat{}, 0, fmt.Errorf("%w: couldn't parse %q (softirq): %w", ErrFileParse, line, err)
}
return softIRQStat, total, nil
@@ -187,6 +187,10 @@ func parseStat(r io.Reader, fileName string) (Stat, error) {
err error
)
// Increase default scanner buffer to handle very long `intr` lines.
buf := make([]byte, 0, 8*1024)
scanner.Buffer(buf, 1024*1024)
for scanner.Scan() {
line := scanner.Text()
parts := strings.Fields(scanner.Text())
@@ -197,34 +201,34 @@ func parseStat(r io.Reader, fileName string) (Stat, error) {
switch {
case parts[0] == "btime":
if stat.BootTime, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (btime): %w", parts[1], err)
return Stat{}, fmt.Errorf("%w: couldn't parse %q (btime): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "intr":
if stat.IRQTotal, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (intr): %w", parts[1], err)
return Stat{}, fmt.Errorf("%w: couldn't parse %q (intr): %w", ErrFileParse, parts[1], err)
}
numberedIRQs := parts[2:]
stat.IRQ = make([]uint64, len(numberedIRQs))
for i, count := range numberedIRQs {
if stat.IRQ[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (intr%d): %w", count, i, err)
return Stat{}, fmt.Errorf("%w: couldn't parse %q (intr%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "ctxt":
if stat.ContextSwitches, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (ctxt): %w", parts[1], err)
return Stat{}, fmt.Errorf("%w: couldn't parse %q (ctxt): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "processes":
if stat.ProcessCreated, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (processes): %w", parts[1], err)
return Stat{}, fmt.Errorf("%w: couldn't parse %q (processes): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "procs_running":
if stat.ProcessesRunning, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (procs_running): %w", parts[1], err)
return Stat{}, fmt.Errorf("%w: couldn't parse %q (procs_running): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "procs_blocked":
if stat.ProcessesBlocked, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (procs_blocked): %w", parts[1], err)
return Stat{}, fmt.Errorf("%w: couldn't parse %q (procs_blocked): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "softirq":
softIRQStats, total, err := parseSoftIRQStat(line)
@@ -247,7 +251,7 @@ func parseStat(r io.Reader, fileName string) (Stat, error) {
}
if err := scanner.Err(); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q: %w", fileName, err)
return Stat{}, fmt.Errorf("%w: couldn't parse %q: %w", ErrFileParse, fileName, err)
}
return stat, nil

8
vendor/github.com/prometheus/procfs/swaps.go generated vendored
View File

@@ -64,7 +64,7 @@ func parseSwapString(swapString string) (*Swap, error) {
swapFields := strings.Fields(swapString)
swapLength := len(swapFields)
if swapLength < 5 {
return nil, fmt.Errorf("too few fields in swap string: %s", swapString)
return nil, fmt.Errorf("%w: too few fields in swap string: %s", ErrFileParse, swapString)
}
swap := &Swap{
@@ -74,15 +74,15 @@ func parseSwapString(swapString string) (*Swap, error) {
swap.Size, err = strconv.Atoi(swapFields[2])
if err != nil {
return nil, fmt.Errorf("invalid swap size: %s", swapFields[2])
return nil, fmt.Errorf("%w: invalid swap size: %s: %w", ErrFileParse, swapFields[2], err)
}
swap.Used, err = strconv.Atoi(swapFields[3])
if err != nil {
return nil, fmt.Errorf("invalid swap used: %s", swapFields[3])
return nil, fmt.Errorf("%w: invalid swap used: %s: %w", ErrFileParse, swapFields[3], err)
}
swap.Priority, err = strconv.Atoi(swapFields[4])
if err != nil {
return nil, fmt.Errorf("invalid swap priority: %s", swapFields[4])
return nil, fmt.Errorf("%w: invalid swap priority: %s: %w", ErrFileParse, swapFields[4], err)
}
return swap, nil

11
vendor/github.com/prometheus/procfs/thread.go generated vendored
View File

@@ -45,7 +45,7 @@ func (fs FS) AllThreads(pid int) (Procs, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return Procs{}, fmt.Errorf("could not read %q: %w", d.Name(), err)
return Procs{}, fmt.Errorf("%w: could not read %q: %w", ErrFileRead, d.Name(), err)
}
t := Procs{}
@@ -54,7 +54,8 @@ func (fs FS) AllThreads(pid int) (Procs, error) {
if err != nil {
continue
}
t = append(t, Proc{PID: int(tid), fs: fsi.FS(taskPath)})
t = append(t, Proc{PID: int(tid), fs: FS{fsi.FS(taskPath), fs.isReal}})
}
return t, nil
@@ -66,13 +67,13 @@ func (fs FS) Thread(pid, tid int) (Proc, error) {
if _, err := os.Stat(taskPath); err != nil {
return Proc{}, err
}
return Proc{PID: tid, fs: fsi.FS(taskPath)}, nil
return Proc{PID: tid, fs: FS{fsi.FS(taskPath), fs.isReal}}, nil
}
// Thread returns a process for a given TID of Proc.
func (proc Proc) Thread(tid int) (Proc, error) {
tfs := fsi.FS(proc.path("task"))
if _, err := os.Stat(tfs.Path(strconv.Itoa(tid))); err != nil {
tfs := FS{fsi.FS(proc.path("task")), proc.fs.isReal}
if _, err := os.Stat(tfs.proc.Path(strconv.Itoa(tid))); err != nil {
return Proc{}, err
}
return Proc{PID: tid, fs: tfs}, nil

2
vendor/github.com/prometheus/procfs/vm.go generated vendored
View File

@@ -86,7 +86,7 @@ func (fs FS) VM() (*VM, error) {
return nil, err
}
if !file.Mode().IsDir() {
return nil, fmt.Errorf("%s is not a directory", path)
return nil, fmt.Errorf("%w: %s is not a directory", ErrFileRead, path)
}
files, err := os.ReadDir(path)

4
vendor/github.com/prometheus/procfs/zoneinfo.go generated vendored
View File

@@ -75,11 +75,11 @@ var nodeZoneRE = regexp.MustCompile(`(\d+), zone\s+(\w+)`)
func (fs FS) Zoneinfo() ([]Zoneinfo, error) {
data, err := os.ReadFile(fs.proc.Path("zoneinfo"))
if err != nil {
return nil, fmt.Errorf("error reading zoneinfo %q: %w", fs.proc.Path("zoneinfo"), err)
return nil, fmt.Errorf("%w: error reading zoneinfo %q: %w", ErrFileRead, fs.proc.Path("zoneinfo"), err)
}
zoneinfo, err := parseZoneinfo(data)
if err != nil {
return nil, fmt.Errorf("error parsing zoneinfo %q: %w", fs.proc.Path("zoneinfo"), err)
return nil, fmt.Errorf("%w: error parsing zoneinfo %q: %w", ErrFileParse, fs.proc.Path("zoneinfo"), err)
}
return zoneinfo, nil
}