vendor: github.com/prometheus/client_golang v1.14.0

full diff: https://github.com/prometheus/client_golang/compare/v1.13.0...v1.14.0

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit dc52e08bb5)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-11-24 23:48:28 +01:00
parent 9b62b83429
commit 0163808dbe
No known key found for this signature in database
GPG key ID: 76698F39D527CE8C
17 changed files with 1358 additions and 237 deletions

View file

@ -69,7 +69,7 @@ require (
github.com/opencontainers/selinux v1.10.2
github.com/pelletier/go-toml v1.9.4
github.com/pkg/errors v0.9.1
github.com/prometheus/client_golang v1.13.0
github.com/prometheus/client_golang v1.14.0
github.com/rootless-containers/rootlesskit v1.1.0
github.com/sirupsen/logrus v1.9.0
github.com/spf13/cobra v1.6.1
@ -135,7 +135,7 @@ require (
github.com/mitchellh/hashstructure/v2 v2.0.2 // indirect
github.com/phayes/permbits v0.0.0-20190612203442-39d7c581d2ee // indirect
github.com/philhofer/fwd v1.0.0 // indirect
github.com/prometheus/client_model v0.2.0 // indirect
github.com/prometheus/client_model v0.3.0 // indirect
github.com/prometheus/common v0.37.0 // indirect
github.com/prometheus/procfs v0.8.0 // indirect
github.com/rexray/gocsi v1.2.2 // indirect

View file

@ -936,14 +936,15 @@ github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP
github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
github.com/prometheus/client_golang v1.11.1/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
github.com/prometheus/client_golang v1.13.0 h1:b71QUfeo5M8gq2+evJdTPfZhYMAU0uKPkyPJ7TPsloU=
github.com/prometheus/client_golang v1.13.0/go.mod h1:vTeo+zgvILHsnnj/39Ou/1fPN5nJFOEMgftOUOmlvYQ=
github.com/prometheus/client_golang v1.14.0 h1:nJdhIvne2eSX/XRAFV9PcvFFRbrjbcTUj0VP62TMhnw=
github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQgYNtG/XQE4E/Zae36Y=
github.com/prometheus/client_model v0.0.0-20171117100541-99fa1f4be8e5/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.2.0 h1:uq5h0d+GuxiXLJLNABMgp2qUWDPiLvgCzz2dUR+/W/M=
github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.3.0 h1:UBgGFHqYdG/TPFD1B1ogZywDqEkwp3fBMvqdiQ7Xew4=
github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w=
github.com/prometheus/common v0.0.0-20180110214958-89604d197083/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=

View file

@ -140,12 +140,13 @@ func (c *counter) get() float64 {
}
func (c *counter) Write(out *dto.Metric) error {
val := c.get()
// Read the Exemplar first and the value second. This is to avoid a race condition
// where users see an exemplar for a not-yet-existing observation.
var exemplar *dto.Exemplar
if e := c.exemplar.Load(); e != nil {
exemplar = e.(*dto.Exemplar)
}
val := c.get()
return populateMetric(CounterValue, val, c.labelPairs, exemplar, out)
}
@ -245,7 +246,8 @@ func (v *CounterVec) GetMetricWith(labels Labels) (Counter, error) {
// WithLabelValues works as GetMetricWithLabelValues, but panics where
// GetMetricWithLabelValues would have returned an error. Not returning an
// error allows shortcuts like
// myVec.WithLabelValues("404", "GET").Add(42)
//
// myVec.WithLabelValues("404", "GET").Add(42)
func (v *CounterVec) WithLabelValues(lvs ...string) Counter {
c, err := v.GetMetricWithLabelValues(lvs...)
if err != nil {
@ -256,7 +258,8 @@ func (v *CounterVec) WithLabelValues(lvs ...string) Counter {
// With works as GetMetricWith, but panics where GetMetricWithLabels would have
// returned an error. Not returning an error allows shortcuts like
// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42)
//
// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42)
func (v *CounterVec) With(labels Labels) Counter {
c, err := v.GetMetricWith(labels)
if err != nil {

View file

@ -21,55 +21,66 @@
// All exported functions and methods are safe to be used concurrently unless
// specified otherwise.
//
// A Basic Example
// # A Basic Example
//
// As a starting point, a very basic usage example:
//
// package main
// package main
//
// import (
// "log"
// "net/http"
// import (
// "log"
// "net/http"
//
// "github.com/prometheus/client_golang/prometheus"
// "github.com/prometheus/client_golang/prometheus/promhttp"
// )
// "github.com/prometheus/client_golang/prometheus"
// "github.com/prometheus/client_golang/prometheus/promhttp"
// )
//
// var (
// cpuTemp = prometheus.NewGauge(prometheus.GaugeOpts{
// Name: "cpu_temperature_celsius",
// Help: "Current temperature of the CPU.",
// })
// hdFailures = prometheus.NewCounterVec(
// prometheus.CounterOpts{
// Name: "hd_errors_total",
// Help: "Number of hard-disk errors.",
// },
// []string{"device"},
// )
// )
// type metrics struct {
// cpuTemp prometheus.Gauge
// hdFailures *prometheus.CounterVec
// }
//
// func init() {
// // Metrics have to be registered to be exposed:
// prometheus.MustRegister(cpuTemp)
// prometheus.MustRegister(hdFailures)
// }
// func NewMetrics(reg prometheus.Registerer) *metrics {
// m := &metrics{
// cpuTemp: prometheus.NewGauge(prometheus.GaugeOpts{
// Name: "cpu_temperature_celsius",
// Help: "Current temperature of the CPU.",
// }),
// hdFailures: prometheus.NewCounterVec(
// prometheus.CounterOpts{
// Name: "hd_errors_total",
// Help: "Number of hard-disk errors.",
// },
// []string{"device"},
// ),
// }
// reg.MustRegister(m.cpuTemp)
// reg.MustRegister(m.hdFailures)
// return m
// }
//
// func main() {
// cpuTemp.Set(65.3)
// hdFailures.With(prometheus.Labels{"device":"/dev/sda"}).Inc()
// func main() {
// // Create a non-global registry.
// reg := prometheus.NewRegistry()
//
// // The Handler function provides a default handler to expose metrics
// // via an HTTP server. "/metrics" is the usual endpoint for that.
// http.Handle("/metrics", promhttp.Handler())
// log.Fatal(http.ListenAndServe(":8080", nil))
// }
// // Create new metrics and register them using the custom registry.
// m := NewMetrics(reg)
// // Set values for the new created metrics.
// m.cpuTemp.Set(65.3)
// m.hdFailures.With(prometheus.Labels{"device":"/dev/sda"}).Inc()
//
// // Expose metrics and custom registry via an HTTP server
// // using the HandleFor function. "/metrics" is the usual endpoint for that.
// http.Handle("/metrics", promhttp.HandlerFor(reg, promhttp.HandlerOpts{Registry: reg}))
// log.Fatal(http.ListenAndServe(":8080", nil))
// }
//
// This is a complete program that exports two metrics, a Gauge and a Counter,
// the latter with a label attached to turn it into a (one-dimensional) vector.
// It register the metrics using a custom registry and exposes them via an HTTP server
// on the /metrics endpoint.
//
// Metrics
// # Metrics
//
// The number of exported identifiers in this package might appear a bit
// overwhelming. However, in addition to the basic plumbing shown in the example
@ -100,7 +111,7 @@
// To create instances of Metrics and their vector versions, you need a suitable
// …Opts struct, i.e. GaugeOpts, CounterOpts, SummaryOpts, or HistogramOpts.
//
// Custom Collectors and constant Metrics
// # Custom Collectors and constant Metrics
//
// While you could create your own implementations of Metric, most likely you
// will only ever implement the Collector interface on your own. At a first
@ -141,7 +152,7 @@
// a metric, GaugeFunc, CounterFunc, or UntypedFunc might be interesting
// shortcuts.
//
// Advanced Uses of the Registry
// # Advanced Uses of the Registry
//
// While MustRegister is the by far most common way of registering a Collector,
// sometimes you might want to handle the errors the registration might cause.
@ -176,23 +187,23 @@
// NewProcessCollector). With a custom registry, you are in control and decide
// yourself about the Collectors to register.
//
// HTTP Exposition
// # HTTP Exposition
//
// The Registry implements the Gatherer interface. The caller of the Gather
// method can then expose the gathered metrics in some way. Usually, the metrics
// are served via HTTP on the /metrics endpoint. That's happening in the example
// above. The tools to expose metrics via HTTP are in the promhttp sub-package.
//
// Pushing to the Pushgateway
// # Pushing to the Pushgateway
//
// Function for pushing to the Pushgateway can be found in the push sub-package.
//
// Graphite Bridge
// # Graphite Bridge
//
// Functions and examples to push metrics from a Gatherer to Graphite can be
// found in the graphite sub-package.
//
// Other Means of Exposition
// # Other Means of Exposition
//
// More ways of exposing metrics can easily be added by following the approaches
// of the existing implementations.

View file

@ -210,7 +210,8 @@ func (v *GaugeVec) GetMetricWith(labels Labels) (Gauge, error) {
// WithLabelValues works as GetMetricWithLabelValues, but panics where
// GetMetricWithLabelValues would have returned an error. Not returning an
// error allows shortcuts like
// myVec.WithLabelValues("404", "GET").Add(42)
//
// myVec.WithLabelValues("404", "GET").Add(42)
func (v *GaugeVec) WithLabelValues(lvs ...string) Gauge {
g, err := v.GetMetricWithLabelValues(lvs...)
if err != nil {
@ -221,7 +222,8 @@ func (v *GaugeVec) WithLabelValues(lvs ...string) Gauge {
// With works as GetMetricWith, but panics where GetMetricWithLabels would have
// returned an error. Not returning an error allows shortcuts like
// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42)
//
// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42)
func (v *GaugeVec) With(labels Labels) Gauge {
g, err := v.GetMetricWith(labels)
if err != nil {

File diff suppressed because it is too large Load diff

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@ -0,0 +1,60 @@
// Copyright (c) 2015 Björn Rabenstein
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// The code in this package is copy/paste to avoid a dependency. Hence this file
// carries the copyright of the original repo.
// https://github.com/beorn7/floats
package internal
import (
"math"
)
// minNormalFloat64 is the smallest positive normal value of type float64.
var minNormalFloat64 = math.Float64frombits(0x0010000000000000)
// AlmostEqualFloat64 returns true if a and b are equal within a relative error
// of epsilon. See http://floating-point-gui.de/errors/comparison/ for the
// details of the applied method.
func AlmostEqualFloat64(a, b, epsilon float64) bool {
if a == b {
return true
}
absA := math.Abs(a)
absB := math.Abs(b)
diff := math.Abs(a - b)
if a == 0 || b == 0 || absA+absB < minNormalFloat64 {
return diff < epsilon*minNormalFloat64
}
return diff/math.Min(absA+absB, math.MaxFloat64) < epsilon
}
// AlmostEqualFloat64s is the slice form of AlmostEqualFloat64.
func AlmostEqualFloat64s(a, b []float64, epsilon float64) bool {
if len(a) != len(b) {
return false
}
for i := range a {
if !AlmostEqualFloat64(a[i], b[i], epsilon) {
return false
}
}
return true
}

View file

@ -201,12 +201,15 @@ func (m *SequenceMatcher) isBJunk(s string) bool {
// If IsJunk is not defined:
//
// Return (i,j,k) such that a[i:i+k] is equal to b[j:j+k], where
// alo <= i <= i+k <= ahi
// blo <= j <= j+k <= bhi
//
// alo <= i <= i+k <= ahi
// blo <= j <= j+k <= bhi
//
// and for all (i',j',k') meeting those conditions,
// k >= k'
// i <= i'
// and if i == i', j <= j'
//
// k >= k'
// i <= i'
// and if i == i', j <= j'
//
// In other words, of all maximal matching blocks, return one that
// starts earliest in a, and of all those maximal matching blocks that

View file

@ -25,7 +25,8 @@ import (
// Labels represents a collection of label name -> value mappings. This type is
// commonly used with the With(Labels) and GetMetricWith(Labels) methods of
// metric vector Collectors, e.g.:
// myVec.With(Labels{"code": "404", "method": "GET"}).Add(42)
//
// myVec.With(Labels{"code": "404", "method": "GET"}).Add(42)
//
// The other use-case is the specification of constant label pairs in Opts or to
// create a Desc.

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@ -187,7 +187,7 @@ func (m *withExemplarsMetric) Write(pb *dto.Metric) error {
} else {
// The +Inf bucket should be explicitly added if there is an exemplar for it, similar to non-const histogram logic in https://github.com/prometheus/client_golang/blob/main/prometheus/histogram.go#L357-L365.
b := &dto.Bucket{
CumulativeCount: proto.Uint64(pb.Histogram.Bucket[len(pb.Histogram.GetBucket())-1].GetCumulativeCount()),
CumulativeCount: proto.Uint64(pb.Histogram.GetSampleCount()),
UpperBound: proto.Float64(math.Inf(1)),
Exemplar: e,
}

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@ -73,12 +73,11 @@ func InstrumentRoundTripperCounter(counter *prometheus.CounterVec, next http.Rou
return func(r *http.Request) (*http.Response, error) {
resp, err := next.RoundTrip(r)
if err == nil {
exemplarAdd(
addWithExemplar(
counter.With(labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)),
1,
rtOpts.getExemplarFn(r.Context()),
)
counter.With(labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)).Inc()
}
return resp, err
}
@ -117,7 +116,7 @@ func InstrumentRoundTripperDuration(obs prometheus.ObserverVec, next http.RoundT
start := time.Now()
resp, err := next.RoundTrip(r)
if err == nil {
exemplarObserve(
observeWithExemplar(
obs.With(labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)),
time.Since(start).Seconds(),
rtOpts.getExemplarFn(r.Context()),

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@ -28,7 +28,9 @@ import (
// magicString is used for the hacky label test in checkLabels. Remove once fixed.
const magicString = "zZgWfBxLqvG8kc8IMv3POi2Bb0tZI3vAnBx+gBaFi9FyPzB/CzKUer1yufDa"
func exemplarObserve(obs prometheus.Observer, val float64, labels map[string]string) {
// observeWithExemplar is a wrapper for [prometheus.ExemplarAdder.ExemplarObserver],
// which falls back to [prometheus.Observer.Observe] if no labels are provided.
func observeWithExemplar(obs prometheus.Observer, val float64, labels map[string]string) {
if labels == nil {
obs.Observe(val)
return
@ -36,7 +38,9 @@ func exemplarObserve(obs prometheus.Observer, val float64, labels map[string]str
obs.(prometheus.ExemplarObserver).ObserveWithExemplar(val, labels)
}
func exemplarAdd(obs prometheus.Counter, val float64, labels map[string]string) {
// addWithExemplar is a wrapper for [prometheus.ExemplarAdder.AddWithExemplar],
// which falls back to [prometheus.Counter.Add] if no labels are provided.
func addWithExemplar(obs prometheus.Counter, val float64, labels map[string]string) {
if labels == nil {
obs.Add(val)
return
@ -91,7 +95,7 @@ func InstrumentHandlerDuration(obs prometheus.ObserverVec, next http.Handler, op
d := newDelegator(w, nil)
next.ServeHTTP(d, r)
exemplarObserve(
observeWithExemplar(
obs.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
time.Since(now).Seconds(),
hOpts.getExemplarFn(r.Context()),
@ -103,7 +107,7 @@ func InstrumentHandlerDuration(obs prometheus.ObserverVec, next http.Handler, op
now := time.Now()
next.ServeHTTP(w, r)
exemplarObserve(
observeWithExemplar(
obs.With(labels(code, method, r.Method, 0, hOpts.extraMethods...)),
time.Since(now).Seconds(),
hOpts.getExemplarFn(r.Context()),
@ -141,7 +145,7 @@ func InstrumentHandlerCounter(counter *prometheus.CounterVec, next http.Handler,
d := newDelegator(w, nil)
next.ServeHTTP(d, r)
exemplarAdd(
addWithExemplar(
counter.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
1,
hOpts.getExemplarFn(r.Context()),
@ -151,7 +155,7 @@ func InstrumentHandlerCounter(counter *prometheus.CounterVec, next http.Handler,
return func(w http.ResponseWriter, r *http.Request) {
next.ServeHTTP(w, r)
exemplarAdd(
addWithExemplar(
counter.With(labels(code, method, r.Method, 0, hOpts.extraMethods...)),
1,
hOpts.getExemplarFn(r.Context()),
@ -192,7 +196,7 @@ func InstrumentHandlerTimeToWriteHeader(obs prometheus.ObserverVec, next http.Ha
return func(w http.ResponseWriter, r *http.Request) {
now := time.Now()
d := newDelegator(w, func(status int) {
exemplarObserve(
observeWithExemplar(
obs.With(labels(code, method, r.Method, status, hOpts.extraMethods...)),
time.Since(now).Seconds(),
hOpts.getExemplarFn(r.Context()),
@ -233,7 +237,7 @@ func InstrumentHandlerRequestSize(obs prometheus.ObserverVec, next http.Handler,
d := newDelegator(w, nil)
next.ServeHTTP(d, r)
size := computeApproximateRequestSize(r)
exemplarObserve(
observeWithExemplar(
obs.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
float64(size),
hOpts.getExemplarFn(r.Context()),
@ -244,7 +248,7 @@ func InstrumentHandlerRequestSize(obs prometheus.ObserverVec, next http.Handler,
return func(w http.ResponseWriter, r *http.Request) {
next.ServeHTTP(w, r)
size := computeApproximateRequestSize(r)
exemplarObserve(
observeWithExemplar(
obs.With(labels(code, method, r.Method, 0, hOpts.extraMethods...)),
float64(size),
hOpts.getExemplarFn(r.Context()),
@ -282,7 +286,7 @@ func InstrumentHandlerResponseSize(obs prometheus.ObserverVec, next http.Handler
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
d := newDelegator(w, nil)
next.ServeHTTP(d, r)
exemplarObserve(
observeWithExemplar(
obs.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
float64(d.Written()),
hOpts.getExemplarFn(r.Context()),

View file

@ -252,9 +252,12 @@ func (errs MultiError) MaybeUnwrap() error {
}
// Registry registers Prometheus collectors, collects their metrics, and gathers
// them into MetricFamilies for exposition. It implements both Registerer and
// Gatherer. The zero value is not usable. Create instances with NewRegistry or
// NewPedanticRegistry.
// them into MetricFamilies for exposition. It implements Registerer, Gatherer,
// and Collector. The zero value is not usable. Create instances with
// NewRegistry or NewPedanticRegistry.
//
// Registry implements Collector to allow it to be used for creating groups of
// metrics. See the Grouping example for how this can be done.
type Registry struct {
mtx sync.RWMutex
collectorsByID map[uint64]Collector // ID is a hash of the descIDs.
@ -556,6 +559,31 @@ func (r *Registry) Gather() ([]*dto.MetricFamily, error) {
return internal.NormalizeMetricFamilies(metricFamiliesByName), errs.MaybeUnwrap()
}
// Describe implements Collector.
func (r *Registry) Describe(ch chan<- *Desc) {
r.mtx.RLock()
defer r.mtx.RUnlock()
// Only report the checked Collectors; unchecked collectors don't report any
// Desc.
for _, c := range r.collectorsByID {
c.Describe(ch)
}
}
// Collect implements Collector.
func (r *Registry) Collect(ch chan<- Metric) {
r.mtx.RLock()
defer r.mtx.RUnlock()
for _, c := range r.collectorsByID {
c.Collect(ch)
}
for _, c := range r.uncheckedCollectors {
c.Collect(ch)
}
}
// WriteToTextfile calls Gather on the provided Gatherer, encodes the result in the
// Prometheus text format, and writes it to a temporary file. Upon success, the
// temporary file is renamed to the provided filename.

View file

@ -603,7 +603,8 @@ func (v *SummaryVec) GetMetricWith(labels Labels) (Observer, error) {
// WithLabelValues works as GetMetricWithLabelValues, but panics where
// GetMetricWithLabelValues would have returned an error. Not returning an
// error allows shortcuts like
// myVec.WithLabelValues("404", "GET").Observe(42.21)
//
// myVec.WithLabelValues("404", "GET").Observe(42.21)
func (v *SummaryVec) WithLabelValues(lvs ...string) Observer {
s, err := v.GetMetricWithLabelValues(lvs...)
if err != nil {
@ -614,7 +615,8 @@ func (v *SummaryVec) WithLabelValues(lvs ...string) Observer {
// With works as GetMetricWith, but panics where GetMetricWithLabels would have
// returned an error. Not returning an error allows shortcuts like
// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Observe(42.21)
//
// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Observe(42.21)
func (v *SummaryVec) With(labels Labels) Observer {
s, err := v.GetMetricWith(labels)
if err != nil {
@ -701,7 +703,8 @@ func (s *constSummary) Write(out *dto.Metric) error {
//
// quantiles maps ranks to quantile values. For example, a median latency of
// 0.23s and a 99th percentile latency of 0.56s would be expressed as:
// map[float64]float64{0.5: 0.23, 0.99: 0.56}
//
// map[float64]float64{0.5: 0.23, 0.99: 0.56}
//
// NewConstSummary returns an error if the length of labelValues is not
// consistent with the variable labels in Desc or if Desc is invalid.

View file

@ -25,11 +25,12 @@ type Timer struct {
// NewTimer creates a new Timer. The provided Observer is used to observe a
// duration in seconds. Timer is usually used to time a function call in the
// following way:
// func TimeMe() {
// timer := NewTimer(myHistogram)
// defer timer.ObserveDuration()
// // Do actual work.
// }
//
// func TimeMe() {
// timer := NewTimer(myHistogram)
// defer timer.ObserveDuration()
// // Do actual work.
// }
func NewTimer(o Observer) *Timer {
return &Timer{
begin: time.Now(),

View file

@ -1,5 +1,5 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: metrics.proto
// source: io/prometheus/client/metrics.proto
package io_prometheus_client
@ -24,11 +24,18 @@ const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
type MetricType int32
const (
MetricType_COUNTER MetricType = 0
MetricType_GAUGE MetricType = 1
MetricType_SUMMARY MetricType = 2
MetricType_UNTYPED MetricType = 3
// COUNTER must use the Metric field "counter".
MetricType_COUNTER MetricType = 0
// GAUGE must use the Metric field "gauge".
MetricType_GAUGE MetricType = 1
// SUMMARY must use the Metric field "summary".
MetricType_SUMMARY MetricType = 2
// UNTYPED must use the Metric field "untyped".
MetricType_UNTYPED MetricType = 3
// HISTOGRAM must use the Metric field "histogram".
MetricType_HISTOGRAM MetricType = 4
// GAUGE_HISTOGRAM must use the Metric field "histogram".
MetricType_GAUGE_HISTOGRAM MetricType = 5
)
var MetricType_name = map[int32]string{
@ -37,14 +44,16 @@ var MetricType_name = map[int32]string{
2: "SUMMARY",
3: "UNTYPED",
4: "HISTOGRAM",
5: "GAUGE_HISTOGRAM",
}
var MetricType_value = map[string]int32{
"COUNTER": 0,
"GAUGE": 1,
"SUMMARY": 2,
"UNTYPED": 3,
"HISTOGRAM": 4,
"COUNTER": 0,
"GAUGE": 1,
"SUMMARY": 2,
"UNTYPED": 3,
"HISTOGRAM": 4,
"GAUGE_HISTOGRAM": 5,
}
func (x MetricType) Enum() *MetricType {
@ -67,7 +76,7 @@ func (x *MetricType) UnmarshalJSON(data []byte) error {
}
func (MetricType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{0}
return fileDescriptor_d1e5ddb18987a258, []int{0}
}
type LabelPair struct {
@ -82,7 +91,7 @@ func (m *LabelPair) Reset() { *m = LabelPair{} }
func (m *LabelPair) String() string { return proto.CompactTextString(m) }
func (*LabelPair) ProtoMessage() {}
func (*LabelPair) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{0}
return fileDescriptor_d1e5ddb18987a258, []int{0}
}
func (m *LabelPair) XXX_Unmarshal(b []byte) error {
@ -128,7 +137,7 @@ func (m *Gauge) Reset() { *m = Gauge{} }
func (m *Gauge) String() string { return proto.CompactTextString(m) }
func (*Gauge) ProtoMessage() {}
func (*Gauge) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{1}
return fileDescriptor_d1e5ddb18987a258, []int{1}
}
func (m *Gauge) XXX_Unmarshal(b []byte) error {
@ -168,7 +177,7 @@ func (m *Counter) Reset() { *m = Counter{} }
func (m *Counter) String() string { return proto.CompactTextString(m) }
func (*Counter) ProtoMessage() {}
func (*Counter) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{2}
return fileDescriptor_d1e5ddb18987a258, []int{2}
}
func (m *Counter) XXX_Unmarshal(b []byte) error {
@ -215,7 +224,7 @@ func (m *Quantile) Reset() { *m = Quantile{} }
func (m *Quantile) String() string { return proto.CompactTextString(m) }
func (*Quantile) ProtoMessage() {}
func (*Quantile) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{3}
return fileDescriptor_d1e5ddb18987a258, []int{3}
}
func (m *Quantile) XXX_Unmarshal(b []byte) error {
@ -263,7 +272,7 @@ func (m *Summary) Reset() { *m = Summary{} }
func (m *Summary) String() string { return proto.CompactTextString(m) }
func (*Summary) ProtoMessage() {}
func (*Summary) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{4}
return fileDescriptor_d1e5ddb18987a258, []int{4}
}
func (m *Summary) XXX_Unmarshal(b []byte) error {
@ -316,7 +325,7 @@ func (m *Untyped) Reset() { *m = Untyped{} }
func (m *Untyped) String() string { return proto.CompactTextString(m) }
func (*Untyped) ProtoMessage() {}
func (*Untyped) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{5}
return fileDescriptor_d1e5ddb18987a258, []int{5}
}
func (m *Untyped) XXX_Unmarshal(b []byte) error {
@ -345,9 +354,34 @@ func (m *Untyped) GetValue() float64 {
}
type Histogram struct {
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"`
Bucket []*Bucket `protobuf:"bytes,3,rep,name=bucket" json:"bucket,omitempty"`
SampleCount *uint64 `protobuf:"varint,1,opt,name=sample_count,json=sampleCount" json:"sample_count,omitempty"`
SampleCountFloat *float64 `protobuf:"fixed64,4,opt,name=sample_count_float,json=sampleCountFloat" json:"sample_count_float,omitempty"`
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"`
// 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.
// Or in other words, each bucket boundary is the previous boundary times 2^(2^-n).
// In the future, more bucket schemas may be added using numbers < -4 or > 8.
Schema *int32 `protobuf:"zigzag32,5,opt,name=schema" json:"schema,omitempty"`
ZeroThreshold *float64 `protobuf:"fixed64,6,opt,name=zero_threshold,json=zeroThreshold" json:"zero_threshold,omitempty"`
ZeroCount *uint64 `protobuf:"varint,7,opt,name=zero_count,json=zeroCount" json:"zero_count,omitempty"`
ZeroCountFloat *float64 `protobuf:"fixed64,8,opt,name=zero_count_float,json=zeroCountFloat" json:"zero_count_float,omitempty"`
// Negative buckets for the native histogram.
NegativeSpan []*BucketSpan `protobuf:"bytes,9,rep,name=negative_span,json=negativeSpan" json:"negative_span,omitempty"`
// Use either "negative_delta" or "negative_count", the former for
// regular histograms with integer counts, the latter for float
// histograms.
NegativeDelta []int64 `protobuf:"zigzag64,10,rep,name=negative_delta,json=negativeDelta" json:"negative_delta,omitempty"`
NegativeCount []float64 `protobuf:"fixed64,11,rep,name=negative_count,json=negativeCount" json:"negative_count,omitempty"`
// Positive buckets for the native 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"`
PositiveCount []float64 `protobuf:"fixed64,14,rep,name=positive_count,json=positiveCount" json:"positive_count,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
@ -357,7 +391,7 @@ func (m *Histogram) Reset() { *m = Histogram{} }
func (m *Histogram) String() string { return proto.CompactTextString(m) }
func (*Histogram) ProtoMessage() {}
func (*Histogram) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{6}
return fileDescriptor_d1e5ddb18987a258, []int{6}
}
func (m *Histogram) XXX_Unmarshal(b []byte) error {
@ -385,6 +419,13 @@ func (m *Histogram) GetSampleCount() uint64 {
return 0
}
func (m *Histogram) GetSampleCountFloat() float64 {
if m != nil && m.SampleCountFloat != nil {
return *m.SampleCountFloat
}
return 0
}
func (m *Histogram) GetSampleSum() float64 {
if m != nil && m.SampleSum != nil {
return *m.SampleSum
@ -399,8 +440,81 @@ func (m *Histogram) GetBucket() []*Bucket {
return nil
}
func (m *Histogram) GetSchema() int32 {
if m != nil && m.Schema != nil {
return *m.Schema
}
return 0
}
func (m *Histogram) GetZeroThreshold() float64 {
if m != nil && m.ZeroThreshold != nil {
return *m.ZeroThreshold
}
return 0
}
func (m *Histogram) GetZeroCount() uint64 {
if m != nil && m.ZeroCount != nil {
return *m.ZeroCount
}
return 0
}
func (m *Histogram) GetZeroCountFloat() float64 {
if m != nil && m.ZeroCountFloat != nil {
return *m.ZeroCountFloat
}
return 0
}
func (m *Histogram) GetNegativeSpan() []*BucketSpan {
if m != nil {
return m.NegativeSpan
}
return nil
}
func (m *Histogram) GetNegativeDelta() []int64 {
if m != nil {
return m.NegativeDelta
}
return nil
}
func (m *Histogram) GetNegativeCount() []float64 {
if m != nil {
return m.NegativeCount
}
return nil
}
func (m *Histogram) GetPositiveSpan() []*BucketSpan {
if m != nil {
return m.PositiveSpan
}
return nil
}
func (m *Histogram) GetPositiveDelta() []int64 {
if m != nil {
return m.PositiveDelta
}
return nil
}
func (m *Histogram) GetPositiveCount() []float64 {
if m != nil {
return m.PositiveCount
}
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 {
CumulativeCount *uint64 `protobuf:"varint,1,opt,name=cumulative_count,json=cumulativeCount" json:"cumulative_count,omitempty"`
CumulativeCountFloat *float64 `protobuf:"fixed64,4,opt,name=cumulative_count_float,json=cumulativeCountFloat" json:"cumulative_count_float,omitempty"`
UpperBound *float64 `protobuf:"fixed64,2,opt,name=upper_bound,json=upperBound" json:"upper_bound,omitempty"`
Exemplar *Exemplar `protobuf:"bytes,3,opt,name=exemplar" json:"exemplar,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
@ -412,7 +526,7 @@ func (m *Bucket) Reset() { *m = Bucket{} }
func (m *Bucket) String() string { return proto.CompactTextString(m) }
func (*Bucket) ProtoMessage() {}
func (*Bucket) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{7}
return fileDescriptor_d1e5ddb18987a258, []int{7}
}
func (m *Bucket) XXX_Unmarshal(b []byte) error {
@ -440,6 +554,13 @@ func (m *Bucket) GetCumulativeCount() uint64 {
return 0
}
func (m *Bucket) GetCumulativeCountFloat() float64 {
if m != nil && m.CumulativeCountFloat != nil {
return *m.CumulativeCountFloat
}
return 0
}
func (m *Bucket) GetUpperBound() float64 {
if m != nil && m.UpperBound != nil {
return *m.UpperBound
@ -454,6 +575,59 @@ func (m *Bucket) GetExemplar() *Exemplar {
return nil
}
// A BucketSpan defines a number of consecutive buckets in a native
// histogram with their offset. Logically, it would be more
// straightforward to include the bucket counts in the Span. However,
// the protobuf representation is more compact in the way the data is
// structured here (with all the buckets in a single array separate
// from the Spans).
type BucketSpan struct {
Offset *int32 `protobuf:"zigzag32,1,opt,name=offset" json:"offset,omitempty"`
Length *uint32 `protobuf:"varint,2,opt,name=length" json:"length,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *BucketSpan) Reset() { *m = BucketSpan{} }
func (m *BucketSpan) String() string { return proto.CompactTextString(m) }
func (*BucketSpan) ProtoMessage() {}
func (*BucketSpan) Descriptor() ([]byte, []int) {
return fileDescriptor_d1e5ddb18987a258, []int{8}
}
func (m *BucketSpan) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_BucketSpan.Unmarshal(m, b)
}
func (m *BucketSpan) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_BucketSpan.Marshal(b, m, deterministic)
}
func (m *BucketSpan) XXX_Merge(src proto.Message) {
xxx_messageInfo_BucketSpan.Merge(m, src)
}
func (m *BucketSpan) XXX_Size() int {
return xxx_messageInfo_BucketSpan.Size(m)
}
func (m *BucketSpan) XXX_DiscardUnknown() {
xxx_messageInfo_BucketSpan.DiscardUnknown(m)
}
var xxx_messageInfo_BucketSpan proto.InternalMessageInfo
func (m *BucketSpan) GetOffset() int32 {
if m != nil && m.Offset != nil {
return *m.Offset
}
return 0
}
func (m *BucketSpan) GetLength() uint32 {
if m != nil && m.Length != nil {
return *m.Length
}
return 0
}
type Exemplar struct {
Label []*LabelPair `protobuf:"bytes,1,rep,name=label" json:"label,omitempty"`
Value *float64 `protobuf:"fixed64,2,opt,name=value" json:"value,omitempty"`
@ -467,7 +641,7 @@ func (m *Exemplar) Reset() { *m = Exemplar{} }
func (m *Exemplar) String() string { return proto.CompactTextString(m) }
func (*Exemplar) ProtoMessage() {}
func (*Exemplar) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{8}
return fileDescriptor_d1e5ddb18987a258, []int{9}
}
func (m *Exemplar) XXX_Unmarshal(b []byte) error {
@ -526,7 +700,7 @@ func (m *Metric) Reset() { *m = Metric{} }
func (m *Metric) String() string { return proto.CompactTextString(m) }
func (*Metric) ProtoMessage() {}
func (*Metric) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{9}
return fileDescriptor_d1e5ddb18987a258, []int{10}
}
func (m *Metric) XXX_Unmarshal(b []byte) error {
@ -610,7 +784,7 @@ func (m *MetricFamily) Reset() { *m = MetricFamily{} }
func (m *MetricFamily) String() string { return proto.CompactTextString(m) }
func (*MetricFamily) ProtoMessage() {}
func (*MetricFamily) Descriptor() ([]byte, []int) {
return fileDescriptor_6039342a2ba47b72, []int{10}
return fileDescriptor_d1e5ddb18987a258, []int{11}
}
func (m *MetricFamily) XXX_Unmarshal(b []byte) error {
@ -669,55 +843,72 @@ func init() {
proto.RegisterType((*Untyped)(nil), "io.prometheus.client.Untyped")
proto.RegisterType((*Histogram)(nil), "io.prometheus.client.Histogram")
proto.RegisterType((*Bucket)(nil), "io.prometheus.client.Bucket")
proto.RegisterType((*BucketSpan)(nil), "io.prometheus.client.BucketSpan")
proto.RegisterType((*Exemplar)(nil), "io.prometheus.client.Exemplar")
proto.RegisterType((*Metric)(nil), "io.prometheus.client.Metric")
proto.RegisterType((*MetricFamily)(nil), "io.prometheus.client.MetricFamily")
}
func init() { proto.RegisterFile("metrics.proto", fileDescriptor_6039342a2ba47b72) }
var fileDescriptor_6039342a2ba47b72 = []byte{
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func init() {
proto.RegisterFile("io/prometheus/client/metrics.proto", fileDescriptor_d1e5ddb18987a258)
}
var fileDescriptor_d1e5ddb18987a258 = []byte{
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}

4
vendor/modules.txt vendored
View file

@ -740,12 +740,12 @@ github.com/philhofer/fwd
# github.com/pkg/errors v0.9.1
## explicit
github.com/pkg/errors
# github.com/prometheus/client_golang v1.13.0
# github.com/prometheus/client_golang v1.14.0
## explicit; go 1.17
github.com/prometheus/client_golang/prometheus
github.com/prometheus/client_golang/prometheus/internal
github.com/prometheus/client_golang/prometheus/promhttp
# github.com/prometheus/client_model v0.2.0
# github.com/prometheus/client_model v0.3.0
## explicit; go 1.9
github.com/prometheus/client_model/go
# github.com/prometheus/common v0.37.0