Update dependencies

This commit is contained in:
eleksir
2026-02-10 20:54:39 +03:00
parent f2fc168abe
commit 170d0d0ed4
559 changed files with 66718 additions and 72415 deletions

View File

@@ -22,9 +22,9 @@ import (
"strings"
"sync"
"github.com/prometheus/common/model"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/common/model"
)
// enhancedWriter has all the enhanced write functions needed here. bufio.Writer
@@ -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.
@@ -96,38 +108,38 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
n, err = w.WriteString("# HELP ")
written += n
if err != nil {
return
return written, err
}
n, err = w.WriteString(name)
n, err = writeName(w, name)
written += n
if err != nil {
return
return written, err
}
err = w.WriteByte(' ')
written++
if err != nil {
return
return written, err
}
n, err = writeEscapedString(w, *in.Help, false)
written += n
if err != nil {
return
return written, err
}
err = w.WriteByte('\n')
written++
if err != nil {
return
return written, err
}
}
n, err = w.WriteString("# TYPE ")
written += n
if err != nil {
return
return written, err
}
n, err = w.WriteString(name)
n, err = writeName(w, name)
written += n
if err != nil {
return
return written, err
}
metricType := in.GetType()
switch metricType {
@@ -139,14 +151,17 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
n, err = w.WriteString(" summary\n")
case dto.MetricType_UNTYPED:
n, err = w.WriteString(" untyped\n")
case dto.MetricType_HISTOGRAM:
case dto.MetricType_HISTOGRAM, dto.MetricType_GAUGE_HISTOGRAM:
// The classic Prometheus text format has no notion of a gauge
// histogram. We render a gauge histogram in the same way as a
// regular histogram.
n, err = w.WriteString(" histogram\n")
default:
return written, fmt.Errorf("unknown metric type %s", metricType.String())
}
written += n
if err != nil {
return
return written, err
}
// Finally the samples, one line for each.
@@ -196,7 +211,7 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
)
written += n
if err != nil {
return
return written, err
}
}
n, err = writeSample(
@@ -205,13 +220,13 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
)
written += n
if err != nil {
return
return written, err
}
n, err = writeSample(
w, name, "_count", metric, "", 0,
float64(metric.Summary.GetSampleCount()),
)
case dto.MetricType_HISTOGRAM:
case dto.MetricType_HISTOGRAM, dto.MetricType_GAUGE_HISTOGRAM:
if metric.Histogram == nil {
return written, fmt.Errorf(
"expected histogram in metric %s %s", name, metric,
@@ -219,28 +234,36 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
}
infSeen := false
for _, b := range metric.Histogram.Bucket {
v := b.GetCumulativeCountFloat()
if v == 0 {
v = float64(b.GetCumulativeCount())
}
n, err = writeSample(
w, name, "_bucket", metric,
model.BucketLabel, b.GetUpperBound(),
float64(b.GetCumulativeCount()),
v,
)
written += n
if err != nil {
return
return written, err
}
if math.IsInf(b.GetUpperBound(), +1) {
infSeen = true
}
}
if !infSeen {
v := metric.Histogram.GetSampleCountFloat()
if v == 0 {
v = float64(metric.Histogram.GetSampleCount())
}
n, err = writeSample(
w, name, "_bucket", metric,
model.BucketLabel, math.Inf(+1),
float64(metric.Histogram.GetSampleCount()),
v,
)
written += n
if err != nil {
return
return written, err
}
}
n, err = writeSample(
@@ -249,12 +272,13 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
)
written += n
if err != nil {
return
return written, err
}
n, err = writeSample(
w, name, "_count", metric, "", 0,
float64(metric.Histogram.GetSampleCount()),
)
v := metric.Histogram.GetSampleCountFloat()
if v == 0 {
v = float64(metric.Histogram.GetSampleCount())
}
n, err = writeSample(w, name, "_count", metric, "", 0, v)
default:
return written, fmt.Errorf(
"unexpected type in metric %s %s", name, metric,
@@ -262,10 +286,10 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
}
written += n
if err != nil {
return
return written, err
}
}
return
return written, err
}
// writeSample writes a single sample in text format to w, given the metric
@@ -280,21 +304,9 @@ 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 +342,64 @@ 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.LegacyValidation.IsValidMetricName(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 +506,27 @@ 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.LegacyValidation.IsValidMetricName(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
}