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>

vendor.mod

@@ -61,8 +61,8 @@ require (
 	github.com/miekg/pkcs11 v1.1.1 // indirect
 	github.com/moby/sys/symlink v0.2.0 // indirect
 	github.com/opencontainers/runc v1.1.3 // indirect
-	github.com/prometheus/client_golang v1.13.0 // indirect
+	github.com/prometheus/client_golang v1.14.0 // 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/rivo/uniseg v0.2.0 // indirect

vendor.sum

@@ -333,14 +333,15 @@ github.com/prometheus/client_golang v1.1.0/go.mod h1:I1FGZT9+L76gKKOs5djB6ezCbFQ
 github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
 github.com/prometheus/client_golang v1.11.0/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 v1.14.0 h1:nJdhIvne2eSX/XRAFV9PcvFFRbrjbcTUj0VP62TMhnw=
-github.com/prometheus/client_golang v1.13.0/go.mod h1:vTeo+zgvILHsnnj/39Ou/1fPN5nJFOEMgftOUOmlvYQ=
+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 v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.6.0/go.mod h1:eBmuwkDJBwy6iBfxCBob6t6dR6ENT/y+J+Zk0j9GMYc=

vendor/github.com/prometheus/client_golang/prometheus/counter.go

@@ -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)
 }
@@ -245,6 +246,7 @@ 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)
 func (v *CounterVec) WithLabelValues(lvs ...string) Counter {
 	c, err := v.GetMetricWithLabelValues(lvs...)
@@ -256,6 +258,7 @@ 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)
 func (v *CounterVec) With(labels Labels) Counter {
 	c, err := v.GetMetricWith(labels)

vendor/github.com/prometheus/client_golang/prometheus/doc.go

@@ -21,7 +21,7 @@
 // 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:
 //
@@ -35,41 +35,52 @@
 //		"github.com/prometheus/client_golang/prometheus/promhttp"
 //	)
 //
-//    var (
+//	type metrics struct {
-//    	cpuTemp = prometheus.NewGauge(prometheus.GaugeOpts{
+//		cpuTemp  prometheus.Gauge
+//	  hdFailures *prometheus.CounterVec
+//	}
+//
+//	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(
+//	    hdFailures: prometheus.NewCounterVec(
 //	      prometheus.CounterOpts{
 //	        Name: "hd_errors_total",
 //	        Help: "Number of hard-disk errors.",
 //	      },
 //	      []string{"device"},
-//    	)
+//	    ),
-//    )
+//	  }
-//
+//	  reg.MustRegister(m.cpuTemp)
-//    func init() {
+//	  reg.MustRegister(m.hdFailures)
-//    	// Metrics have to be registered to be exposed:
+//	  return m
-//    	prometheus.MustRegister(cpuTemp)
-//    	prometheus.MustRegister(hdFailures)
 //	}
 //
 //	func main() {
-//    	cpuTemp.Set(65.3)
+//	  // Create a non-global registry.
-//    	hdFailures.With(prometheus.Labels{"device":"/dev/sda"}).Inc()
+//	  reg := prometheus.NewRegistry()
 //
-//    	// The Handler function provides a default handler to expose metrics
+//	  // Create new metrics and register them using the custom registry.
-//    	// via an HTTP server. "/metrics" is the usual endpoint for that.
+//	  m := NewMetrics(reg)
-//    	http.Handle("/metrics", promhttp.Handler())
+//	  // 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.

vendor/github.com/prometheus/client_golang/prometheus/gauge.go

@@ -210,6 +210,7 @@ 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)
 func (v *GaugeVec) WithLabelValues(lvs ...string) Gauge {
 	g, err := v.GetMetricWithLabelValues(lvs...)
@@ -221,6 +222,7 @@ 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)
 func (v *GaugeVec) With(labels Labels) Gauge {
 	g, err := v.GetMetricWith(labels)

vendor/github.com/prometheus/client_golang/prometheus/internal/almost_equal.go

@@ -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
+}

vendor/github.com/prometheus/client_golang/prometheus/internal/difflib.go

@@ -201,9 +201,12 @@ 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
+//
 // and for all (i',j',k') meeting those conditions,
+//
 //	k >= k'
 //	i <= i'
 //	and if i == i', j <= j'

vendor/github.com/prometheus/client_golang/prometheus/labels.go

@@ -25,6 +25,7 @@ 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)
 //
 // The other use-case is the specification of constant label pairs in Opts or to

vendor/github.com/prometheus/client_golang/prometheus/metric.go

@@ -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,
 				}

vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_client.go

@@ -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()),

vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go

@@ -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()),

vendor/github.com/prometheus/client_golang/prometheus/registry.go

@@ -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
+// them into MetricFamilies for exposition. It implements Registerer, Gatherer,
-// Gatherer. The zero value is not usable. Create instances with NewRegistry or
+// and Collector. The zero value is not usable. Create instances with
-// NewPedanticRegistry.
+// 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.

vendor/github.com/prometheus/client_golang/prometheus/summary.go

@@ -603,6 +603,7 @@ 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)
 func (v *SummaryVec) WithLabelValues(lvs ...string) Observer {
 	s, err := v.GetMetricWithLabelValues(lvs...)
@@ -614,6 +615,7 @@ 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)
 func (v *SummaryVec) With(labels Labels) Observer {
 	s, err := v.GetMetricWith(labels)
@@ -701,6 +703,7 @@ 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}
 //
 // NewConstSummary returns an error if the length of labelValues is not

vendor/github.com/prometheus/client_golang/prometheus/timer.go

@@ -25,6 +25,7 @@ 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()

vendor/github.com/prometheus/client_model/go/metrics.pb.go

@@ -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 (
+	// 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{
@@ -37,6 +44,7 @@ var MetricType_name = map[int32]string{
 	2: "SUMMARY",
 	3: "UNTYPED",
 	4: "HISTOGRAM",
+	5: "GAUGE_HISTOGRAM",
 }
 
 var MetricType_value = map[string]int32{
@@ -45,6 +53,7 @@ var MetricType_value = map[string]int32{
 	"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 {
@@ -346,8 +355,33 @@ func (m *Untyped) GetValue() float64 {
 
 type Histogram struct {
 	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) }
+func init() {
-
+	proto.RegisterFile("io/prometheus/client/metrics.proto", fileDescriptor_d1e5ddb18987a258)
-var fileDescriptor_6039342a2ba47b72 = []byte{
+}
-	// 665 bytes of a gzipped FileDescriptorProto
+
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x54, 0xcd, 0x6e, 0xd3, 0x4c,
+var fileDescriptor_d1e5ddb18987a258 = []byte{
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+	// 896 bytes of a gzipped FileDescriptorProto
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 }

vendor/modules.txt

@@ -200,12 +200,12 @@ github.com/opencontainers/runc/libcontainer/user
 # 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