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rebase: bump github.com/prometheus/client_golang from 1.12.1 to 1.12.2

Browse Source 
Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.12.1 to 1.12.2.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.12.1...v1.12.2)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
This commit is contained in:
dependabot[bot] 2022-05-16 20:14:56 +00:00 committed by mergify[bot]
parent 6470cf3343
commit 4007283a5d
10 changed files with 321 additions and 105 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
go.mod
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@ -22,7 +22,7 @@ require (
github.com/onsi/ginkgo v1.16.5
github.com/onsi/gomega v1.19.0
github.com/pborman/uuid v1.2.1
github.com/prometheus/client_golang v1.12.1
github.com/prometheus/client_golang v1.12.2
github.com/stretchr/testify v1.7.1
golang.org/x/crypto v0.0.0-20220214200702-86341886e292
golang.org/x/sys v0.0.0-20220209214540-3681064d5158

3
go.sum
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@ -967,8 +967,9 @@ github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5Fsn
github.com/prometheus/client_golang v1.4.0/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
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 h1:ZiaPsmm9uiBeaSMRznKsCDNtPCS0T3JVDGF+06gjBzk=
github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
github.com/prometheus/client_golang v1.12.2 h1:51L9cDoUHVrXx4zWYlcLQIZ+d+VXHgqnYKkIuq4g/34=
github.com/prometheus/client_golang v1.12.2/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190115171406-56726106282f/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=

24
vendor/github.com/prometheus/client_golang/prometheus/collectors/collectors.go generated vendored
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@ -14,3 +14,27 @@
// Package collectors provides implementations of prometheus.Collector to
// conveniently collect process and Go-related metrics.
package collectors
import "github.com/prometheus/client_golang/prometheus"
// NewBuildInfoCollector returns a collector collecting a single metric
// "go_build_info" with the constant value 1 and three labels "path", "version",
// and "checksum". Their label values contain the main module path, version, and
// checksum, respectively. The labels will only have meaningful values if the
// binary is built with Go module support and from source code retrieved from
// the source repository (rather than the local file system). This is usually
// accomplished by building from outside of GOPATH, specifying the full address
// of the main package, e.g. "GO111MODULE=on go run
// github.com/prometheus/client_golang/examples/random". If built without Go
// module support, all label values will be "unknown". If built with Go module
// support but using the source code from the local file system, the "path" will
// be set appropriately, but "checksum" will be empty and "version" will be
// "(devel)".
//
// This collector uses only the build information for the main module. See
// https://github.com/povilasv/prommod for an example of a collector for the
// module dependencies.
func NewBuildInfoCollector() prometheus.Collector {
//nolint:staticcheck // Ignore SA1019 until v2.
return prometheus.NewBuildInfoCollector()
}

26
vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector.go → vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector_go116.go generated vendored
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@ -11,6 +11,9 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !go1.17
// +build !go1.17
package collectors
import "github.com/prometheus/client_golang/prometheus"
@ -42,28 +45,5 @@ import "github.com/prometheus/client_golang/prometheus"
// NOTE: The problem is solved in Go 1.15, see
// https://github.com/golang/go/issues/19812 for the related Go issue.
func NewGoCollector() prometheus.Collector {
//nolint:staticcheck // Ignore SA1019 until v2.
return prometheus.NewGoCollector()
}
// NewBuildInfoCollector returns a collector collecting a single metric
// "go_build_info" with the constant value 1 and three labels "path", "version",
// and "checksum". Their label values contain the main module path, version, and
// checksum, respectively. The labels will only have meaningful values if the
// binary is built with Go module support and from source code retrieved from
// the source repository (rather than the local file system). This is usually
// accomplished by building from outside of GOPATH, specifying the full address
// of the main package, e.g. "GO111MODULE=on go run
// github.com/prometheus/client_golang/examples/random". If built without Go
// module support, all label values will be "unknown". If built with Go module
// support but using the source code from the local file system, the "path" will
// be set appropriately, but "checksum" will be empty and "version" will be
// "(devel)".
//
// This collector uses only the build information for the main module. See
// https://github.com/povilasv/prommod for an example of a collector for the
// module dependencies.
func NewBuildInfoCollector() prometheus.Collector {
//nolint:staticcheck // Ignore SA1019 until v2.
return prometheus.NewBuildInfoCollector()
}

91
vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector_latest.go generated vendored Normal file
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@ -0,0 +1,91 @@
// Copyright 2021 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 go1.17
// +build go1.17
package collectors
import "github.com/prometheus/client_golang/prometheus"
//nolint:staticcheck // Ignore SA1019 until v2.
type goOptions = prometheus.GoCollectorOptions
type goOption func(o *goOptions)
type GoCollectionOption uint32
const (
// GoRuntimeMemStatsCollection represents the metrics represented by runtime.MemStats structure such as
// go_memstats_alloc_bytes
// go_memstats_alloc_bytes_total
// go_memstats_sys_bytes
// go_memstats_lookups_total
// go_memstats_mallocs_total
// go_memstats_frees_total
// go_memstats_heap_alloc_bytes
// go_memstats_heap_sys_bytes
// go_memstats_heap_idle_bytes
// go_memstats_heap_inuse_bytes
// go_memstats_heap_released_bytes
// go_memstats_heap_objects
// go_memstats_stack_inuse_bytes
// go_memstats_stack_sys_bytes
// go_memstats_mspan_inuse_bytes
// go_memstats_mspan_sys_bytes
// go_memstats_mcache_inuse_bytes
// go_memstats_mcache_sys_bytes
// go_memstats_buck_hash_sys_bytes
// go_memstats_gc_sys_bytes
// go_memstats_other_sys_bytes
// go_memstats_next_gc_bytes
// so the metrics known from pre client_golang v1.12.0, except skipped go_memstats_gc_cpu_fraction (see
// https://github.com/prometheus/client_golang/issues/842#issuecomment-861812034 for explanation.
//
// NOTE that this mode represents runtime.MemStats statistics, but they are
// actually implemented using new runtime/metrics package.
// Deprecated: Use GoRuntimeMetricsCollection instead going forward.
GoRuntimeMemStatsCollection GoCollectionOption = 1 << iota
// GoRuntimeMetricsCollection is the new set of metrics represented by runtime/metrics package and follows
// consistent naming. The exposed metric set depends on Go version, but it is controlled against
// unexpected cardinality. This set has overlapping information with GoRuntimeMemStatsCollection, just with
// new names. GoRuntimeMetricsCollection is what is recommended for using going forward.
GoRuntimeMetricsCollection
)
// WithGoCollections allows enabling different collections for Go collector on top of base metrics
// like go_goroutines, go_threads, go_gc_duration_seconds, go_memstats_last_gc_time_seconds, go_info.
//
// Check GoRuntimeMemStatsCollection and GoRuntimeMetricsCollection for more details. You can use none,
// one or more collections at once. For example:
// WithGoCollections(GoRuntimeMemStatsCollection | GoRuntimeMetricsCollection) means both GoRuntimeMemStatsCollection
// metrics and GoRuntimeMetricsCollection will be exposed.
//
// The current default is GoRuntimeMemStatsCollection, so the compatibility mode with
// client_golang pre v1.12 (move to runtime/metrics).
func WithGoCollections(flags GoCollectionOption) goOption {
return func(o *goOptions) {
o.EnabledCollections = uint32(flags)
}
}
// NewGoCollector returns a collector that exports metrics about the current Go
// process using debug.GCStats using runtime/metrics.
func NewGoCollector(opts ...goOption) prometheus.Collector {
//nolint:staticcheck // Ignore SA1019 until v2.
promPkgOpts := make([]func(o *prometheus.GoCollectorOptions), len(opts))
for i, opt := range opts {
promPkgOpts[i] = opt
}
//nolint:staticcheck // Ignore SA1019 until v2.
return prometheus.NewGoCollector(promPkgOpts...)
}

10
vendor/github.com/prometheus/client_golang/prometheus/go_collector.go generated vendored
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@ -197,14 +197,6 @@ func goRuntimeMemStats() memStatsMetrics {
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.NextGC) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("gc_cpu_fraction"),
"The fraction of this program's available CPU time used by the GC since the program started.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return ms.GCCPUFraction },
valType: GaugeValue,
},
}
}
@ -268,7 +260,6 @@ func (c *baseGoCollector) Collect(ch chan<- Metric) {
quantiles[0.0] = stats.PauseQuantiles[0].Seconds()
ch <- MustNewConstSummary(c.gcDesc, uint64(stats.NumGC), stats.PauseTotal.Seconds(), quantiles)
ch <- MustNewConstMetric(c.gcLastTimeDesc, GaugeValue, float64(stats.LastGC.UnixNano())/1e9)
ch <- MustNewConstMetric(c.goInfoDesc, GaugeValue, 1)
}
@ -278,6 +269,7 @@ func memstatNamespace(s string) string {
// memStatsMetrics provide description, evaluator, runtime/metrics name, and
// value type for memstat metrics.
// TODO(bwplotka): Remove with end Go 1.16 EOL and replace with runtime/metrics.Description
type memStatsMetrics []struct {
desc *Desc
eval func(*runtime.MemStats) float64

17
vendor/github.com/prometheus/client_golang/prometheus/go_collector_go116.go generated vendored
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@ -40,13 +40,28 @@ type goCollector struct {
//
// Deprecated: Use collectors.NewGoCollector instead.
func NewGoCollector() Collector {
msMetrics := goRuntimeMemStats()
msMetrics = append(msMetrics, struct {
desc *Desc
eval func(*runtime.MemStats) float64
valType ValueType
}{
// This metric is omitted in Go1.17+, see https://github.com/prometheus/client_golang/issues/842#issuecomment-861812034
desc: NewDesc(
memstatNamespace("gc_cpu_fraction"),
"The fraction of this program's available CPU time used by the GC since the program started.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return ms.GCCPUFraction },
valType: GaugeValue,
})
return &goCollector{
base: newBaseGoCollector(),
msLast: &runtime.MemStats{},
msRead: runtime.ReadMemStats,
msMaxWait: time.Second,
msMaxAge: 5 * time.Minute,
msMetrics: goRuntimeMemStats(),
msMetrics: msMetrics,
}
}

237
vendor/github.com/prometheus/client_golang/prometheus/go_collector_go117.go → vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go generated vendored
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@ -25,11 +25,71 @@ import (
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
"github.com/prometheus/client_golang/prometheus/internal"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/client_golang/prometheus/internal"
)
const (
goGCHeapTinyAllocsObjects = "/gc/heap/tiny/allocs:objects"
goGCHeapAllocsObjects = "/gc/heap/allocs:objects"
goGCHeapFreesObjects = "/gc/heap/frees:objects"
goGCHeapAllocsBytes = "/gc/heap/allocs:bytes"
goGCHeapObjects = "/gc/heap/objects:objects"
goGCHeapGoalBytes = "/gc/heap/goal:bytes"
goMemoryClassesTotalBytes = "/memory/classes/total:bytes"
goMemoryClassesHeapObjectsBytes = "/memory/classes/heap/objects:bytes"
goMemoryClassesHeapUnusedBytes = "/memory/classes/heap/unused:bytes"
goMemoryClassesHeapReleasedBytes = "/memory/classes/heap/released:bytes"
goMemoryClassesHeapFreeBytes = "/memory/classes/heap/free:bytes"
goMemoryClassesHeapStacksBytes = "/memory/classes/heap/stacks:bytes"
goMemoryClassesOSStacksBytes = "/memory/classes/os-stacks:bytes"
goMemoryClassesMetadataMSpanInuseBytes = "/memory/classes/metadata/mspan/inuse:bytes"
goMemoryClassesMetadataMSPanFreeBytes = "/memory/classes/metadata/mspan/free:bytes"
goMemoryClassesMetadataMCacheInuseBytes = "/memory/classes/metadata/mcache/inuse:bytes"
goMemoryClassesMetadataMCacheFreeBytes = "/memory/classes/metadata/mcache/free:bytes"
goMemoryClassesProfilingBucketsBytes = "/memory/classes/profiling/buckets:bytes"
goMemoryClassesMetadataOtherBytes = "/memory/classes/metadata/other:bytes"
goMemoryClassesOtherBytes = "/memory/classes/other:bytes"
)
// runtime/metrics names required for runtimeMemStats like logic.
var rmForMemStats = []string{goGCHeapTinyAllocsObjects,
goGCHeapAllocsObjects,
goGCHeapFreesObjects,
goGCHeapAllocsBytes,
goGCHeapObjects,
goGCHeapGoalBytes,
goMemoryClassesTotalBytes,
goMemoryClassesHeapObjectsBytes,
goMemoryClassesHeapUnusedBytes,
goMemoryClassesHeapReleasedBytes,
goMemoryClassesHeapFreeBytes,
goMemoryClassesHeapStacksBytes,
goMemoryClassesOSStacksBytes,
goMemoryClassesMetadataMSpanInuseBytes,
goMemoryClassesMetadataMSPanFreeBytes,
goMemoryClassesMetadataMCacheInuseBytes,
goMemoryClassesMetadataMCacheFreeBytes,
goMemoryClassesProfilingBucketsBytes,
goMemoryClassesMetadataOtherBytes,
goMemoryClassesOtherBytes,
}
func bestEffortLookupRM(lookup []string) []metrics.Description {
ret := make([]metrics.Description, 0, len(lookup))
for _, rm := range metrics.All() {
for _, m := range lookup {
if m == rm.Name {
ret = append(ret, rm)
}
}
}
return ret
}
type goCollector struct {
opt GoCollectorOptions
base baseGoCollector
// mu protects updates to all fields ensuring a consistent
@ -51,12 +111,46 @@ type goCollector struct {
msMetrics memStatsMetrics
}
const (
// Those are not exposed due to need to move Go collector to another package in v2.
// See issue https://github.com/prometheus/client_golang/issues/1030.
goRuntimeMemStatsCollection uint32 = 1 << iota
goRuntimeMetricsCollection
)
// GoCollectorOptions should not be used be directly by anything, except `collectors` package.
// Use it via collectors package instead. See issue
// https://github.com/prometheus/client_golang/issues/1030.
//
// Deprecated: Use collectors.WithGoCollections
type GoCollectorOptions struct {
// EnabledCollection sets what type of collections collector should expose on top of base collection.
// By default it's goMemStatsCollection | goRuntimeMetricsCollection.
EnabledCollections uint32
}
func (c GoCollectorOptions) isEnabled(flag uint32) bool {
return c.EnabledCollections&flag != 0
}
const defaultGoCollections = goRuntimeMemStatsCollection
// NewGoCollector is the obsolete version of collectors.NewGoCollector.
// See there for documentation.
//
// Deprecated: Use collectors.NewGoCollector instead.
func NewGoCollector() Collector {
descriptions := metrics.All()
func NewGoCollector(opts ...func(o *GoCollectorOptions)) Collector {
opt := GoCollectorOptions{EnabledCollections: defaultGoCollections}
for _, o := range opts {
o(&opt)
}
var descriptions []metrics.Description
if opt.isEnabled(goRuntimeMetricsCollection) {
descriptions = metrics.All()
} else if opt.isEnabled(goRuntimeMemStatsCollection) {
descriptions = bestEffortLookupRM(rmForMemStats)
}
// Collect all histogram samples so that we can get their buckets.
// The API guarantees that the buckets are always fixed for the lifetime
@ -67,7 +161,11 @@ func NewGoCollector() Collector {
histograms = append(histograms, metrics.Sample{Name: d.Name})
}
}
metrics.Read(histograms)
if len(histograms) > 0 {
metrics.Read(histograms)
}
bucketsMap := make(map[string][]float64)
for i := range histograms {
bucketsMap[histograms[i].Name] = histograms[i].Value.Float64Histogram().Buckets
@ -83,7 +181,7 @@ func NewGoCollector() Collector {
if !ok {
// Just ignore this metric; we can't do anything with it here.
// If a user decides to use the latest version of Go, we don't want
// to fail here. This condition is tested elsewhere.
// to fail here. This condition is tested in TestExpectedRuntimeMetrics.
continue
}
@ -123,12 +221,18 @@ func NewGoCollector() Collector {
}
metricSet = append(metricSet, m)
}
var msMetrics memStatsMetrics
if opt.isEnabled(goRuntimeMemStatsCollection) {
msMetrics = goRuntimeMemStats()
}
return &goCollector{
opt: opt,
base: newBaseGoCollector(),
rmSampleBuf: sampleBuf,
rmSampleMap: sampleMap,
rmMetrics: metricSet,
msMetrics: goRuntimeMemStats(),
msMetrics: msMetrics,
}
}
@ -163,40 +267,47 @@ func (c *goCollector) Collect(ch chan<- Metric) {
c.mu.Lock()
defer c.mu.Unlock()
// Populate runtime/metrics sample buffer.
metrics.Read(c.rmSampleBuf)
if len(c.rmSampleBuf) > 0 {
// Populate runtime/metrics sample buffer.
metrics.Read(c.rmSampleBuf)
}
// Update all our metrics from rmSampleBuf.
for i, sample := range c.rmSampleBuf {
// N.B. switch on concrete type because it's significantly more efficient
// than checking for the Counter and Gauge interface implementations. In
// this case, we control all the types here.
switch m := c.rmMetrics[i].(type) {
case *counter:
// Guard against decreases. This should never happen, but a failure
// to do so will result in a panic, which is a harsh consequence for
// a metrics collection bug.
v0, v1 := m.get(), unwrapScalarRMValue(sample.Value)
if v1 > v0 {
m.Add(unwrapScalarRMValue(sample.Value) - m.get())
if c.opt.isEnabled(goRuntimeMetricsCollection) {
// Collect all our metrics from rmSampleBuf.
for i, sample := range c.rmSampleBuf {
// N.B. switch on concrete type because it's significantly more efficient
// than checking for the Counter and Gauge interface implementations. In
// this case, we control all the types here.
switch m := c.rmMetrics[i].(type) {
case *counter:
// Guard against decreases. This should never happen, but a failure
// to do so will result in a panic, which is a harsh consequence for
// a metrics collection bug.
v0, v1 := m.get(), unwrapScalarRMValue(sample.Value)
if v1 > v0 {
m.Add(unwrapScalarRMValue(sample.Value) - m.get())
}
m.Collect(ch)
case *gauge:
m.Set(unwrapScalarRMValue(sample.Value))
m.Collect(ch)
case *batchHistogram:
m.update(sample.Value.Float64Histogram(), c.exactSumFor(sample.Name))
m.Collect(ch)
default:
panic("unexpected metric type")
}
m.Collect(ch)
case *gauge:
m.Set(unwrapScalarRMValue(sample.Value))
m.Collect(ch)
case *batchHistogram:
m.update(sample.Value.Float64Histogram(), c.exactSumFor(sample.Name))
m.Collect(ch)
default:
panic("unexpected metric type")
}
}
// ms is a dummy MemStats that we populate ourselves so that we can
// populate the old metrics from it.
var ms runtime.MemStats
memStatsFromRM(&ms, c.rmSampleMap)
for _, i := range c.msMetrics {
ch <- MustNewConstMetric(i.desc, i.valType, i.eval(&ms))
// populate the old metrics from it if goMemStatsCollection is enabled.
if c.opt.isEnabled(goRuntimeMemStatsCollection) {
var ms runtime.MemStats
memStatsFromRM(&ms, c.rmSampleMap)
for _, i := range c.msMetrics {
ch <- MustNewConstMetric(i.desc, i.valType, i.eval(&ms))
}
}
}
@ -261,35 +372,30 @@ func memStatsFromRM(ms *runtime.MemStats, rm map[string]*metrics.Sample) {
// while having Mallocs - Frees still represent a live object count.
// Unfortunately, MemStats doesn't actually export a large allocation count,
// so it's impossible to pull this number out directly.
tinyAllocs := lookupOrZero("/gc/heap/tiny/allocs:objects")
ms.Mallocs = lookupOrZero("/gc/heap/allocs:objects") + tinyAllocs
ms.Frees = lookupOrZero("/gc/heap/frees:objects") + tinyAllocs
tinyAllocs := lookupOrZero(goGCHeapTinyAllocsObjects)
ms.Mallocs = lookupOrZero(goGCHeapAllocsObjects) + tinyAllocs
ms.Frees = lookupOrZero(goGCHeapFreesObjects) + tinyAllocs
ms.TotalAlloc = lookupOrZero("/gc/heap/allocs:bytes")
ms.Sys = lookupOrZero("/memory/classes/total:bytes")
ms.TotalAlloc = lookupOrZero(goGCHeapAllocsBytes)
ms.Sys = lookupOrZero(goMemoryClassesTotalBytes)
ms.Lookups = 0 // Already always zero.
ms.HeapAlloc = lookupOrZero("/memory/classes/heap/objects:bytes")
ms.HeapAlloc = lookupOrZero(goMemoryClassesHeapObjectsBytes)
ms.Alloc = ms.HeapAlloc
ms.HeapInuse = ms.HeapAlloc + lookupOrZero("/memory/classes/heap/unused:bytes")
ms.HeapReleased = lookupOrZero("/memory/classes/heap/released:bytes")
ms.HeapIdle = ms.HeapReleased + lookupOrZero("/memory/classes/heap/free:bytes")
ms.HeapInuse = ms.HeapAlloc + lookupOrZero(goMemoryClassesHeapUnusedBytes)
ms.HeapReleased = lookupOrZero(goMemoryClassesHeapReleasedBytes)
ms.HeapIdle = ms.HeapReleased + lookupOrZero(goMemoryClassesHeapFreeBytes)
ms.HeapSys = ms.HeapInuse + ms.HeapIdle
ms.HeapObjects = lookupOrZero("/gc/heap/objects:objects")
ms.StackInuse = lookupOrZero("/memory/classes/heap/stacks:bytes")
ms.StackSys = ms.StackInuse + lookupOrZero("/memory/classes/os-stacks:bytes")
ms.MSpanInuse = lookupOrZero("/memory/classes/metadata/mspan/inuse:bytes")
ms.MSpanSys = ms.MSpanInuse + lookupOrZero("/memory/classes/metadata/mspan/free:bytes")
ms.MCacheInuse = lookupOrZero("/memory/classes/metadata/mcache/inuse:bytes")
ms.MCacheSys = ms.MCacheInuse + lookupOrZero("/memory/classes/metadata/mcache/free:bytes")
ms.BuckHashSys = lookupOrZero("/memory/classes/profiling/buckets:bytes")
ms.GCSys = lookupOrZero("/memory/classes/metadata/other:bytes")
ms.OtherSys = lookupOrZero("/memory/classes/other:bytes")
ms.NextGC = lookupOrZero("/gc/heap/goal:bytes")
// N.B. LastGC is omitted because runtime.GCStats already has this.
// See https://github.com/prometheus/client_golang/issues/842#issuecomment-861812034
// for more details.
ms.LastGC = 0
ms.HeapObjects = lookupOrZero(goGCHeapObjects)
ms.StackInuse = lookupOrZero(goMemoryClassesHeapStacksBytes)
ms.StackSys = ms.StackInuse + lookupOrZero(goMemoryClassesOSStacksBytes)
ms.MSpanInuse = lookupOrZero(goMemoryClassesMetadataMSpanInuseBytes)
ms.MSpanSys = ms.MSpanInuse + lookupOrZero(goMemoryClassesMetadataMSPanFreeBytes)
ms.MCacheInuse = lookupOrZero(goMemoryClassesMetadataMCacheInuseBytes)
ms.MCacheSys = ms.MCacheInuse + lookupOrZero(goMemoryClassesMetadataMCacheFreeBytes)
ms.BuckHashSys = lookupOrZero(goMemoryClassesProfilingBucketsBytes)
ms.GCSys = lookupOrZero(goMemoryClassesMetadataOtherBytes)
ms.OtherSys = lookupOrZero(goMemoryClassesOtherBytes)
ms.NextGC = lookupOrZero(goGCHeapGoalBytes)
// N.B. GCCPUFraction is intentionally omitted. This metric is not useful,
// and often misleading due to the fact that it's an average over the lifetime
@ -324,6 +430,11 @@ type batchHistogram struct {
// buckets must always be from the runtime/metrics package, following
// the same conventions.
func newBatchHistogram(desc *Desc, buckets []float64, hasSum bool) *batchHistogram {
// We need to remove -Inf values. runtime/metrics keeps them around.
// But -Inf bucket should not be allowed for prometheus histograms.
if buckets[0] == math.Inf(-1) {
buckets = buckets[1:]
}
h := &batchHistogram{
desc: desc,
buckets: buckets,
@ -382,8 +493,10 @@ func (h *batchHistogram) Write(out *dto.Metric) error {
for i, count := range h.counts {
totalCount += count
if !h.hasSum {
// N.B. This computed sum is an underestimate.
sum += h.buckets[i] * float64(count)
if count != 0 {
// N.B. This computed sum is an underestimate.
sum += h.buckets[i] * float64(count)
}
}
// Skip the +Inf bucket, but only for the bucket list.

14
vendor/github.com/prometheus/client_golang/prometheus/internal/go_runtime_metrics.go generated vendored
View File

@ -62,7 +62,7 @@ func RuntimeMetricsToProm(d *metrics.Description) (string, string, string, bool)
// other data.
name = strings.ReplaceAll(name, "-", "_")
name = name + "_" + unit
if d.Cumulative {
if d.Cumulative && d.Kind != metrics.KindFloat64Histogram {
name = name + "_total"
}
@ -84,12 +84,12 @@ func RuntimeMetricsToProm(d *metrics.Description) (string, string, string, bool)
func RuntimeMetricsBucketsForUnit(buckets []float64, unit string) []float64 {
switch unit {
case "bytes":
// Rebucket as powers of 2.
return rebucketExp(buckets, 2)
// Re-bucket as powers of 2.
return reBucketExp(buckets, 2)
case "seconds":
// Rebucket as powers of 10 and then merge all buckets greater
// Re-bucket as powers of 10 and then merge all buckets greater
// than 1 second into the +Inf bucket.
b := rebucketExp(buckets, 10)
b := reBucketExp(buckets, 10)
for i := range b {
if b[i] <= 1 {
continue
@ -103,11 +103,11 @@ func RuntimeMetricsBucketsForUnit(buckets []float64, unit string) []float64 {
return buckets
}
// rebucketExp takes a list of bucket boundaries (lower bound inclusive) and
// reBucketExp takes a list of bucket boundaries (lower bound inclusive) and
// downsamples the buckets to those a multiple of base apart. The end result
// is a roughly exponential (in many cases, perfectly exponential) bucketing
// scheme.
func rebucketExp(buckets []float64, base float64) []float64 {
func reBucketExp(buckets []float64, base float64) []float64 {
bucket := buckets[0]
var newBuckets []float64
// We may see a -Inf here, in which case, add it and skip it

2
vendor/modules.txt vendored
View File

@ -473,7 +473,7 @@ github.com/pkg/errors
# github.com/pmezard/go-difflib v1.0.0
## explicit
github.com/pmezard/go-difflib/difflib
# github.com/prometheus/client_golang v1.12.1
# github.com/prometheus/client_golang v1.12.2
## explicit; go 1.13
github.com/prometheus/client_golang/prometheus
github.com/prometheus/client_golang/prometheus/collectors