Update deps
This commit is contained in:
45
vendor/github.com/prometheus/common/model/metric.go
generated
vendored
45
vendor/github.com/prometheus/common/model/metric.go
generated
vendored
@@ -14,9 +14,11 @@
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package model
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import (
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"errors"
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"fmt"
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"regexp"
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"sort"
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"strconv"
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"strings"
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"unicode/utf8"
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@@ -26,13 +28,13 @@ import (
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var (
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// NameValidationScheme determines the method of name validation to be used by
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// all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8 mode
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// in isolation from other components that don't support UTF-8 may result in
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// bugs or other undefined behavior. This value is intended to be set by
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// UTF-8-aware binaries as part of their startup. To avoid need for locking,
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// this value should be set once, ideally in an init(), before multiple
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// goroutines are started.
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NameValidationScheme = LegacyValidation
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// all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8
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// mode in isolation from other components that don't support UTF-8 may result
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// in bugs or other undefined behavior. This value can be set to
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// LegacyValidation during startup if a binary is not UTF-8-aware binaries. To
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// avoid need for locking, this value should be set once, ideally in an
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// init(), before multiple goroutines are started.
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NameValidationScheme = UTF8Validation
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// NameEscapingScheme defines the default way that names will be escaped when
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// presented to systems that do not support UTF-8 names. If the Content-Type
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@@ -269,10 +271,6 @@ func metricNeedsEscaping(m *dto.Metric) bool {
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return false
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}
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const (
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lowerhex = "0123456789abcdef"
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)
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// EscapeName escapes the incoming name according to the provided escaping
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// scheme. Depending on the rules of escaping, this may cause no change in the
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// string that is returned. (Especially NoEscaping, which by definition is a
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@@ -307,7 +305,7 @@ func EscapeName(name string, scheme EscapingScheme) string {
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} else if isValidLegacyRune(b, i) {
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escaped.WriteRune(b)
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} else {
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escaped.WriteRune('_')
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escaped.WriteString("__")
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}
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}
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return escaped.String()
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@@ -317,21 +315,15 @@ func EscapeName(name string, scheme EscapingScheme) string {
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}
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escaped.WriteString("U__")
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for i, b := range name {
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if isValidLegacyRune(b, i) {
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if b == '_' {
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escaped.WriteString("__")
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} else if isValidLegacyRune(b, i) {
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escaped.WriteRune(b)
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} else if !utf8.ValidRune(b) {
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escaped.WriteString("_FFFD_")
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} else if b < 0x100 {
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} else {
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escaped.WriteRune('_')
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for s := 4; s >= 0; s -= 4 {
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escaped.WriteByte(lowerhex[b>>uint(s)&0xF])
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}
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escaped.WriteRune('_')
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} else if b < 0x10000 {
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escaped.WriteRune('_')
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for s := 12; s >= 0; s -= 4 {
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escaped.WriteByte(lowerhex[b>>uint(s)&0xF])
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}
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escaped.WriteString(strconv.FormatInt(int64(b), 16))
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escaped.WriteRune('_')
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}
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}
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@@ -389,8 +381,9 @@ func UnescapeName(name string, scheme EscapingScheme) string {
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// We think we are in a UTF-8 code, process it.
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var utf8Val uint
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for j := 0; i < len(escapedName); j++ {
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// This is too many characters for a utf8 value.
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if j > 4 {
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// This is too many characters for a utf8 value based on the MaxRune
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// value of '\U0010FFFF'.
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if j >= 6 {
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return name
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}
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// Found a closing underscore, convert to a rune, check validity, and append.
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@@ -443,7 +436,7 @@ func (e EscapingScheme) String() string {
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func ToEscapingScheme(s string) (EscapingScheme, error) {
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if s == "" {
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return NoEscaping, fmt.Errorf("got empty string instead of escaping scheme")
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return NoEscaping, errors.New("got empty string instead of escaping scheme")
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}
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switch s {
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case AllowUTF8:
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