From bebfa73e07a860e5f9202cd55d760b9abe2b5f6e Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Thu, 15 Aug 2024 03:54:05 +0000 Subject: [PATCH] Bump github.com/prometheus/client_golang from 1.19.1 to 1.20.0 Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.19.1 to 1.20.0. - [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/v1.19.1...v1.20.0) --- updated-dependencies: - dependency-name: github.com/prometheus/client_golang dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] --- go.mod | 2 +- go.sum | 6 +- .../prometheus/client_golang/NOTICE | 5 - .../client_golang/prometheus/go_collector.go | 55 ++--- .../prometheus/go_collector_latest.go | 19 +- .../client_golang/prometheus/histogram.go | 226 +++++++++++++++++- .../internal/go_collector_options.go | 2 + .../client_golang/prometheus/metric.go | 2 +- .../prometheus/process_collector.go | 27 ++- .../prometheus/process_collector_other.go | 14 ++ .../client_golang/prometheus/registry.go | 17 +- .../client_golang/prometheus/summary.go | 42 ++++ .../client_golang/prometheus/vec.go | 2 +- vendor/modules.txt | 2 +- 14 files changed, 353 insertions(+), 68 deletions(-) diff --git a/go.mod b/go.mod index 932d86c7..5f9c7b9d 100644 --- a/go.mod +++ b/go.mod @@ -11,7 +11,7 @@ require ( github.com/iancoleman/strcase v0.3.0 github.com/onsi/ginkgo v1.16.5 github.com/onsi/gomega v1.34.1 - github.com/prometheus/client_golang v1.19.1 + github.com/prometheus/client_golang v1.20.0 github.com/prometheus/client_model v0.6.1 github.com/prometheus/common v0.55.0 github.com/sirupsen/logrus v1.9.3 diff --git a/go.sum b/go.sum index 8963c2bc..495825ae 100644 --- a/go.sum +++ b/go.sum @@ -70,6 +70,8 @@ github.com/iancoleman/strcase v0.3.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q= github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8= github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= +github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA= +github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw= github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE= github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk= @@ -102,8 +104,8 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/poy/eachers v0.0.0-20181020210610-23942921fe77/go.mod h1:x1vqpbcMW9T/KRcQ4b48diSiSVtYgvwQ5xzDByEg4WE= -github.com/prometheus/client_golang v1.19.1 h1:wZWJDwK+NameRJuPGDhlnFgx8e8HN3XHQeLaYJFJBOE= -github.com/prometheus/client_golang v1.19.1/go.mod h1:mP78NwGzrVks5S2H6ab8+ZZGJLZUq1hoULYBAYBw1Ho= +github.com/prometheus/client_golang v1.20.0 h1:jBzTZ7B099Rg24tny+qngoynol8LtVYlA2bqx3vEloI= +github.com/prometheus/client_golang v1.20.0/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE= github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E= github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY= github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc= diff --git a/vendor/github.com/prometheus/client_golang/NOTICE b/vendor/github.com/prometheus/client_golang/NOTICE index dd878a30..b9cc55ab 100644 --- a/vendor/github.com/prometheus/client_golang/NOTICE +++ b/vendor/github.com/prometheus/client_golang/NOTICE @@ -16,8 +16,3 @@ Go support for Protocol Buffers - Google's data interchange format http://github.com/golang/protobuf/ Copyright 2010 The Go Authors See source code for license details. - -Support for streaming Protocol Buffer messages for the Go language (golang). -https://github.com/matttproud/golang_protobuf_extensions -Copyright 2013 Matt T. Proud -Licensed under the Apache License, Version 2.0 diff --git a/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go b/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go index ad9a71a5..520cbd7d 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go @@ -22,13 +22,13 @@ import ( // goRuntimeMemStats provides the metrics initially provided by runtime.ReadMemStats. // From Go 1.17 those similar (and better) statistics are provided by runtime/metrics, so // while eval closure works on runtime.MemStats, the struct from Go 1.17+ is -// populated using runtime/metrics. +// populated using runtime/metrics. Those are the defaults we can't alter. func goRuntimeMemStats() memStatsMetrics { return memStatsMetrics{ { desc: NewDesc( memstatNamespace("alloc_bytes"), - "Number of bytes allocated and still in use.", + "Number of bytes allocated in heap and currently in use. Equals to /memory/classes/heap/objects:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.Alloc) }, @@ -36,7 +36,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("alloc_bytes_total"), - "Total number of bytes allocated, even if freed.", + "Total number of bytes allocated in heap until now, even if released already. Equals to /gc/heap/allocs:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.TotalAlloc) }, @@ -44,23 +44,16 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("sys_bytes"), - "Number of bytes obtained from system.", + "Number of bytes obtained from system. Equals to /memory/classes/total:byte.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.Sys) }, valType: GaugeValue, - }, { - desc: NewDesc( - memstatNamespace("lookups_total"), - "Total number of pointer lookups.", - nil, nil, - ), - eval: func(ms *runtime.MemStats) float64 { return float64(ms.Lookups) }, - valType: CounterValue, }, { desc: NewDesc( memstatNamespace("mallocs_total"), - "Total number of mallocs.", + // TODO(bwplotka): We could add go_memstats_heap_objects, probably useful for discovery. Let's gather more feedback, kind of a waste of bytes for everybody for compatibility reasons to keep both, and we can't really rename/remove useful metric. + "Total number of heap objects allocated, both live and gc-ed. Semantically a counter version for go_memstats_heap_objects gauge. Equals to /gc/heap/allocs:objects + /gc/heap/tiny/allocs:objects.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.Mallocs) }, @@ -68,7 +61,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("frees_total"), - "Total number of frees.", + "Total number of heap objects frees. Equals to /gc/heap/frees:objects + /gc/heap/tiny/allocs:objects.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.Frees) }, @@ -76,7 +69,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_alloc_bytes"), - "Number of heap bytes allocated and still in use.", + "Number of heap bytes allocated and currently in use, same as go_memstats_alloc_bytes. Equals to /memory/classes/heap/objects:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapAlloc) }, @@ -84,7 +77,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_sys_bytes"), - "Number of heap bytes obtained from system.", + "Number of heap bytes obtained from system. Equals to /memory/classes/heap/objects:bytes + /memory/classes/heap/unused:bytes + /memory/classes/heap/released:bytes + /memory/classes/heap/free:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapSys) }, @@ -92,7 +85,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_idle_bytes"), - "Number of heap bytes waiting to be used.", + "Number of heap bytes waiting to be used. Equals to /memory/classes/heap/released:bytes + /memory/classes/heap/free:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapIdle) }, @@ -100,7 +93,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_inuse_bytes"), - "Number of heap bytes that are in use.", + "Number of heap bytes that are in use. Equals to /memory/classes/heap/objects:bytes + /memory/classes/heap/unused:bytes", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapInuse) }, @@ -108,7 +101,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_released_bytes"), - "Number of heap bytes released to OS.", + "Number of heap bytes released to OS. Equals to /memory/classes/heap/released:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapReleased) }, @@ -116,7 +109,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_objects"), - "Number of allocated objects.", + "Number of currently allocated objects. Equals to /gc/heap/objects:objects.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapObjects) }, @@ -124,7 +117,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("stack_inuse_bytes"), - "Number of bytes in use by the stack allocator.", + "Number of bytes obtained from system for stack allocator in non-CGO environments. Equals to /memory/classes/heap/stacks:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackInuse) }, @@ -132,7 +125,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("stack_sys_bytes"), - "Number of bytes obtained from system for stack allocator.", + "Number of bytes obtained from system for stack allocator. Equals to /memory/classes/heap/stacks:bytes + /memory/classes/os-stacks:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackSys) }, @@ -140,7 +133,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("mspan_inuse_bytes"), - "Number of bytes in use by mspan structures.", + "Number of bytes in use by mspan structures. Equals to /memory/classes/metadata/mspan/inuse:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanInuse) }, @@ -148,7 +141,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("mspan_sys_bytes"), - "Number of bytes used for mspan structures obtained from system.", + "Number of bytes used for mspan structures obtained from system. Equals to /memory/classes/metadata/mspan/inuse:bytes + /memory/classes/metadata/mspan/free:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanSys) }, @@ -156,7 +149,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("mcache_inuse_bytes"), - "Number of bytes in use by mcache structures.", + "Number of bytes in use by mcache structures. Equals to /memory/classes/metadata/mcache/inuse:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheInuse) }, @@ -164,7 +157,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("mcache_sys_bytes"), - "Number of bytes used for mcache structures obtained from system.", + "Number of bytes used for mcache structures obtained from system. Equals to /memory/classes/metadata/mcache/inuse:bytes + /memory/classes/metadata/mcache/free:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheSys) }, @@ -172,7 +165,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("buck_hash_sys_bytes"), - "Number of bytes used by the profiling bucket hash table.", + "Number of bytes used by the profiling bucket hash table. Equals to /memory/classes/profiling/buckets:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.BuckHashSys) }, @@ -180,7 +173,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("gc_sys_bytes"), - "Number of bytes used for garbage collection system metadata.", + "Number of bytes used for garbage collection system metadata. Equals to /memory/classes/metadata/other:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.GCSys) }, @@ -188,7 +181,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("other_sys_bytes"), - "Number of bytes used for other system allocations.", + "Number of bytes used for other system allocations. Equals to /memory/classes/other:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.OtherSys) }, @@ -196,7 +189,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("next_gc_bytes"), - "Number of heap bytes when next garbage collection will take place.", + "Number of heap bytes when next garbage collection will take place. Equals to /gc/heap/goal:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.NextGC) }, @@ -225,7 +218,7 @@ func newBaseGoCollector() baseGoCollector { nil, nil), gcDesc: NewDesc( "go_gc_duration_seconds", - "A summary of the pause duration of garbage collection cycles.", + "A summary of the wall-time pause (stop-the-world) duration in garbage collection cycles.", nil, nil), gcLastTimeDesc: NewDesc( "go_memstats_last_gc_time_seconds", diff --git a/vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go b/vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go index 2d8d9f64..51174641 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go @@ -17,6 +17,7 @@ package prometheus import ( + "fmt" "math" "runtime" "runtime/metrics" @@ -153,7 +154,8 @@ func defaultGoCollectorOptions() internal.GoCollectorOptions { "/gc/heap/frees-by-size:bytes": goGCHeapFreesBytes, }, RuntimeMetricRules: []internal.GoCollectorRule{ - //{Matcher: regexp.MustCompile("")}, + // Recommended metrics we want by default from runtime/metrics. + {Matcher: internal.GoCollectorDefaultRuntimeMetrics}, }, } } @@ -203,6 +205,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector { // to fail here. This condition is tested in TestExpectedRuntimeMetrics. continue } + help := attachOriginalName(d.Description.Description, d.Name) sampleBuf = append(sampleBuf, metrics.Sample{Name: d.Name}) sampleMap[d.Name] = &sampleBuf[len(sampleBuf)-1] @@ -214,7 +217,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector { m = newBatchHistogram( NewDesc( BuildFQName(namespace, subsystem, name), - d.Description.Description, + help, nil, nil, ), @@ -226,7 +229,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector { Namespace: namespace, Subsystem: subsystem, Name: name, - Help: d.Description.Description, + Help: help, }, ) } else { @@ -234,7 +237,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector { Namespace: namespace, Subsystem: subsystem, Name: name, - Help: d.Description.Description, + Help: help, }) } metricSet = append(metricSet, m) @@ -284,6 +287,10 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector { } } +func attachOriginalName(desc, origName string) string { + return fmt.Sprintf("%s Sourced from %s", desc, origName) +} + // Describe returns all descriptions of the collector. func (c *goCollector) Describe(ch chan<- *Desc) { c.base.Describe(ch) @@ -376,13 +383,13 @@ func unwrapScalarRMValue(v metrics.Value) float64 { // // This should never happen because we always populate our metric // set from the runtime/metrics package. - panic("unexpected unsupported metric") + panic("unexpected bad kind metric") default: // Unsupported metric kind. // // This should never happen because we check for this during initialization // and flag and filter metrics whose kinds we don't understand. - panic("unexpected unsupported metric kind") + panic(fmt.Sprintf("unexpected unsupported metric: %v", v.Kind())) } } diff --git a/vendor/github.com/prometheus/client_golang/prometheus/histogram.go b/vendor/github.com/prometheus/client_golang/prometheus/histogram.go index b5c8bcb3..8d35f2d8 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/histogram.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/histogram.go @@ -440,7 +440,7 @@ type HistogramOpts struct { // constant (or any negative float value). NativeHistogramZeroThreshold float64 - // The remaining fields define a strategy to limit the number of + // The next three fields define a strategy to limit the number of // populated sparse buckets. If NativeHistogramMaxBucketNumber is left // at zero, the number of buckets is not limited. (Note that this might // lead to unbounded memory consumption if the values observed by the @@ -473,6 +473,22 @@ type HistogramOpts struct { NativeHistogramMinResetDuration time.Duration NativeHistogramMaxZeroThreshold float64 + // NativeHistogramMaxExemplars limits the number of exemplars + // that are kept in memory for each native histogram. If you leave it at + // zero, a default value of 10 is used. If no exemplars should be kept specifically + // for native histograms, set it to a negative value. (Scrapers can + // still use the exemplars exposed for classic buckets, which are managed + // independently.) + NativeHistogramMaxExemplars int + // NativeHistogramExemplarTTL is only checked once + // NativeHistogramMaxExemplars is exceeded. In that case, the + // oldest exemplar is removed if it is older than NativeHistogramExemplarTTL. + // Otherwise, the older exemplar in the pair of exemplars that are closest + // together (on an exponential scale) is removed. + // If NativeHistogramExemplarTTL is left at its zero value, a default value of + // 5m is used. To always delete the oldest exemplar, set it to a negative value. + NativeHistogramExemplarTTL time.Duration + // now is for testing purposes, by default it's time.Now. now func() time.Time @@ -532,6 +548,7 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr if opts.afterFunc == nil { opts.afterFunc = time.AfterFunc } + h := &histogram{ desc: desc, upperBounds: opts.Buckets, @@ -556,6 +573,7 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr h.nativeHistogramZeroThreshold = DefNativeHistogramZeroThreshold } // Leave h.nativeHistogramZeroThreshold at 0 otherwise. h.nativeHistogramSchema = pickSchema(opts.NativeHistogramBucketFactor) + h.nativeExemplars = makeNativeExemplars(opts.NativeHistogramExemplarTTL, opts.NativeHistogramMaxExemplars) } for i, upperBound := range h.upperBounds { if i < len(h.upperBounds)-1 { @@ -725,7 +743,8 @@ type histogram struct { // resetScheduled is protected by mtx. It is true if a reset is // scheduled for a later time (when nativeHistogramMinResetDuration has // passed). - resetScheduled bool + resetScheduled bool + nativeExemplars nativeExemplars // now is for testing purposes, by default it's time.Now. now func() time.Time @@ -742,6 +761,9 @@ func (h *histogram) Observe(v float64) { h.observe(v, h.findBucket(v)) } +// ObserveWithExemplar should not be called in a high-frequency setting +// for a native histogram with configured exemplars. For this case, +// the implementation isn't lock-free and might suffer from lock contention. func (h *histogram) ObserveWithExemplar(v float64, e Labels) { i := h.findBucket(v) h.observe(v, i) @@ -821,6 +843,15 @@ func (h *histogram) Write(out *dto.Metric) error { Length: proto.Uint32(0), }} } + + // If exemplars are not configured, the cap will be 0. + // So append is not needed in this case. + if cap(h.nativeExemplars.exemplars) > 0 { + h.nativeExemplars.Lock() + his.Exemplars = append(his.Exemplars, h.nativeExemplars.exemplars...) + h.nativeExemplars.Unlock() + } + } addAndResetCounts(hotCounts, coldCounts) return nil @@ -1091,8 +1122,10 @@ func (h *histogram) resetCounts(counts *histogramCounts) { deleteSyncMap(&counts.nativeHistogramBucketsPositive) } -// updateExemplar replaces the exemplar for the provided bucket. With empty -// labels, it's a no-op. It panics if any of the labels is invalid. +// updateExemplar replaces the exemplar for the provided classic bucket. +// With empty labels, it's a no-op. It panics if any of the labels is invalid. +// If histogram is native, the exemplar will be cached into nativeExemplars, +// which has a limit, and will remove one exemplar when limit is reached. func (h *histogram) updateExemplar(v float64, bucket int, l Labels) { if l == nil { return @@ -1102,6 +1135,10 @@ func (h *histogram) updateExemplar(v float64, bucket int, l Labels) { panic(err) } h.exemplars[bucket].Store(e) + doSparse := h.nativeHistogramSchema > math.MinInt32 && !math.IsNaN(v) + if doSparse { + h.nativeExemplars.addExemplar(e) + } } // HistogramVec is a Collector that bundles a set of Histograms that all share the @@ -1336,6 +1373,48 @@ func MustNewConstHistogram( return m } +// NewConstHistogramWithCreatedTimestamp does the same thing as NewConstHistogram but sets the created timestamp. +func NewConstHistogramWithCreatedTimestamp( + desc *Desc, + count uint64, + sum float64, + buckets map[float64]uint64, + ct time.Time, + labelValues ...string, +) (Metric, error) { + if desc.err != nil { + return nil, desc.err + } + if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil { + return nil, err + } + return &constHistogram{ + desc: desc, + count: count, + sum: sum, + buckets: buckets, + labelPairs: MakeLabelPairs(desc, labelValues), + createdTs: timestamppb.New(ct), + }, nil +} + +// MustNewConstHistogramWithCreatedTimestamp is a version of NewConstHistogramWithCreatedTimestamp that panics where +// NewConstHistogramWithCreatedTimestamp would have returned an error. +func MustNewConstHistogramWithCreatedTimestamp( + desc *Desc, + count uint64, + sum float64, + buckets map[float64]uint64, + ct time.Time, + labelValues ...string, +) Metric { + m, err := NewConstHistogramWithCreatedTimestamp(desc, count, sum, buckets, ct, labelValues...) + if err != nil { + panic(err) + } + return m +} + type buckSort []*dto.Bucket func (s buckSort) Len() int { @@ -1575,3 +1654,142 @@ func addAndResetCounts(hot, cold *histogramCounts) { atomic.AddUint64(&hot.nativeHistogramZeroBucket, atomic.LoadUint64(&cold.nativeHistogramZeroBucket)) atomic.StoreUint64(&cold.nativeHistogramZeroBucket, 0) } + +type nativeExemplars struct { + sync.Mutex + + ttl time.Duration + exemplars []*dto.Exemplar +} + +func makeNativeExemplars(ttl time.Duration, maxCount int) nativeExemplars { + if ttl == 0 { + ttl = 5 * time.Minute + } + + if maxCount == 0 { + maxCount = 10 + } + + if maxCount < 0 { + maxCount = 0 + } + + return nativeExemplars{ + ttl: ttl, + exemplars: make([]*dto.Exemplar, 0, maxCount), + } +} + +func (n *nativeExemplars) addExemplar(e *dto.Exemplar) { + if cap(n.exemplars) == 0 { + return + } + + n.Lock() + defer n.Unlock() + + // The index where to insert the new exemplar. + var nIdx int = -1 + + // When the number of exemplars has not yet exceeded or + // is equal to cap(n.exemplars), then + // insert the new exemplar directly. + if len(n.exemplars) < cap(n.exemplars) { + for nIdx = 0; nIdx < len(n.exemplars); nIdx++ { + if *e.Value < *n.exemplars[nIdx].Value { + break + } + } + n.exemplars = append(n.exemplars[:nIdx], append([]*dto.Exemplar{e}, n.exemplars[nIdx:]...)...) + return + } + + // When the number of exemplars exceeds the limit, remove one exemplar. + var ( + rIdx int // The index where to remove the old exemplar. + + ot = time.Now() // Oldest timestamp seen. + otIdx = -1 // Index of the exemplar with the oldest timestamp. + + md = -1.0 // Logarithm of the delta of the closest pair of exemplars. + mdIdx = -1 // Index of the older exemplar within the closest pair. + cLog float64 // Logarithm of the current exemplar. + pLog float64 // Logarithm of the previous exemplar. + ) + + for i, exemplar := range n.exemplars { + // Find the exemplar with the oldest timestamp. + if otIdx == -1 || exemplar.Timestamp.AsTime().Before(ot) { + ot = exemplar.Timestamp.AsTime() + otIdx = i + } + + // Find the index at which to insert new the exemplar. + if *e.Value <= *exemplar.Value && nIdx == -1 { + nIdx = i + } + + // Find the two closest exemplars and pick the one the with older timestamp. + pLog = cLog + cLog = math.Log(exemplar.GetValue()) + if i == 0 { + continue + } + diff := math.Abs(cLog - pLog) + if md == -1 || diff < md { + md = diff + if n.exemplars[i].Timestamp.AsTime().Before(n.exemplars[i-1].Timestamp.AsTime()) { + mdIdx = i + } else { + mdIdx = i - 1 + } + } + + } + + // If all existing exemplar are smaller than new exemplar, + // then the exemplar should be inserted at the end. + if nIdx == -1 { + nIdx = len(n.exemplars) + } + + if otIdx != -1 && e.Timestamp.AsTime().Sub(ot) > n.ttl { + rIdx = otIdx + } else { + // In the previous for loop, when calculating the closest pair of exemplars, + // we did not take into account the newly inserted exemplar. + // So we need to calculate with the newly inserted exemplar again. + elog := math.Log(e.GetValue()) + if nIdx > 0 { + diff := math.Abs(elog - math.Log(n.exemplars[nIdx-1].GetValue())) + if diff < md { + md = diff + mdIdx = nIdx + if n.exemplars[nIdx-1].Timestamp.AsTime().Before(e.Timestamp.AsTime()) { + mdIdx = nIdx - 1 + } + } + } + if nIdx < len(n.exemplars) { + diff := math.Abs(math.Log(n.exemplars[nIdx].GetValue()) - elog) + if diff < md { + mdIdx = nIdx + if n.exemplars[nIdx].Timestamp.AsTime().Before(e.Timestamp.AsTime()) { + mdIdx = nIdx + } + } + } + rIdx = mdIdx + } + + // Adjust the slice according to rIdx and nIdx. + switch { + case rIdx == nIdx: + n.exemplars[nIdx] = e + case rIdx < nIdx: + n.exemplars = append(n.exemplars[:rIdx], append(n.exemplars[rIdx+1:nIdx], append([]*dto.Exemplar{e}, n.exemplars[nIdx:]...)...)...) + case rIdx > nIdx: + n.exemplars = append(n.exemplars[:nIdx], append([]*dto.Exemplar{e}, append(n.exemplars[nIdx:rIdx], n.exemplars[rIdx+1:]...)...)...) + } +} diff --git a/vendor/github.com/prometheus/client_golang/prometheus/internal/go_collector_options.go b/vendor/github.com/prometheus/client_golang/prometheus/internal/go_collector_options.go index 723b45d6..a4fa6eab 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/internal/go_collector_options.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/internal/go_collector_options.go @@ -30,3 +30,5 @@ type GoCollectorOptions struct { RuntimeMetricSumForHist map[string]string RuntimeMetricRules []GoCollectorRule } + +var GoCollectorDefaultRuntimeMetrics = regexp.MustCompile(`/gc/gogc:percent|/gc/gomemlimit:bytes|/sched/gomaxprocs:threads`) diff --git a/vendor/github.com/prometheus/client_golang/prometheus/metric.go b/vendor/github.com/prometheus/client_golang/prometheus/metric.go index f018e572..9d9b81ab 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/metric.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/metric.go @@ -234,7 +234,7 @@ func NewMetricWithExemplars(m Metric, exemplars ...Exemplar) (Metric, error) { ) for i, e := range exemplars { ts := e.Timestamp - if ts == (time.Time{}) { + if ts.IsZero() { ts = now } exs[i], err = newExemplar(e.Value, ts, e.Labels) diff --git a/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go b/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go index 8548dd18..efbc3ea8 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go @@ -22,14 +22,15 @@ import ( ) type processCollector struct { - collectFn func(chan<- Metric) - pidFn func() (int, error) - reportErrors bool - cpuTotal *Desc - openFDs, maxFDs *Desc - vsize, maxVsize *Desc - rss *Desc - startTime *Desc + collectFn func(chan<- Metric) + pidFn func() (int, error) + reportErrors bool + cpuTotal *Desc + openFDs, maxFDs *Desc + vsize, maxVsize *Desc + rss *Desc + startTime *Desc + inBytes, outBytes *Desc } // ProcessCollectorOpts defines the behavior of a process metrics collector @@ -100,6 +101,16 @@ func NewProcessCollector(opts ProcessCollectorOpts) Collector { "Start time of the process since unix epoch in seconds.", nil, nil, ), + inBytes: NewDesc( + ns+"process_network_receive_bytes_total", + "Number of bytes received by the process over the network.", + nil, nil, + ), + outBytes: NewDesc( + ns+"process_network_transmit_bytes_total", + "Number of bytes sent by the process over the network.", + nil, nil, + ), } if opts.PidFn == nil { diff --git a/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go b/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go index 8c1136ce..14d56d2d 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go @@ -63,4 +63,18 @@ func (c *processCollector) processCollect(ch chan<- Metric) { } else { c.reportError(ch, nil, err) } + + if netstat, err := p.Netstat(); err == nil { + var inOctets, outOctets float64 + if netstat.IpExt.InOctets != nil { + inOctets = *netstat.IpExt.InOctets + } + if netstat.IpExt.OutOctets != nil { + outOctets = *netstat.IpExt.OutOctets + } + ch <- MustNewConstMetric(c.inBytes, CounterValue, inOctets) + ch <- MustNewConstMetric(c.outBytes, CounterValue, outOctets) + } else { + c.reportError(ch, nil, err) + } } diff --git a/vendor/github.com/prometheus/client_golang/prometheus/registry.go b/vendor/github.com/prometheus/client_golang/prometheus/registry.go index 5e2ced25..c6fd2f58 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/registry.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/registry.go @@ -314,16 +314,17 @@ func (r *Registry) Register(c Collector) error { if dimHash != desc.dimHash { return fmt.Errorf("a previously registered descriptor with the same fully-qualified name as %s has different label names or a different help string", desc) } - } else { - // ...then check the new descriptors already seen. - if dimHash, exists := newDimHashesByName[desc.fqName]; exists { - if dimHash != desc.dimHash { - return fmt.Errorf("descriptors reported by collector have inconsistent label names or help strings for the same fully-qualified name, offender is %s", desc) - } - } else { - newDimHashesByName[desc.fqName] = desc.dimHash + continue + } + + // ...then check the new descriptors already seen. + if dimHash, exists := newDimHashesByName[desc.fqName]; exists { + if dimHash != desc.dimHash { + return fmt.Errorf("descriptors reported by collector have inconsistent label names or help strings for the same fully-qualified name, offender is %s", desc) } + continue } + newDimHashesByName[desc.fqName] = desc.dimHash } // A Collector yielding no Desc at all is considered unchecked. if len(newDescIDs) == 0 { diff --git a/vendor/github.com/prometheus/client_golang/prometheus/summary.go b/vendor/github.com/prometheus/client_golang/prometheus/summary.go index 14627044..1ab0e479 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/summary.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/summary.go @@ -783,3 +783,45 @@ func MustNewConstSummary( } return m } + +// NewConstSummaryWithCreatedTimestamp does the same thing as NewConstSummary but sets the created timestamp. +func NewConstSummaryWithCreatedTimestamp( + desc *Desc, + count uint64, + sum float64, + quantiles map[float64]float64, + ct time.Time, + labelValues ...string, +) (Metric, error) { + if desc.err != nil { + return nil, desc.err + } + if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil { + return nil, err + } + return &constSummary{ + desc: desc, + count: count, + sum: sum, + quantiles: quantiles, + labelPairs: MakeLabelPairs(desc, labelValues), + createdTs: timestamppb.New(ct), + }, nil +} + +// MustNewConstSummaryWithCreatedTimestamp is a version of NewConstSummaryWithCreatedTimestamp that panics where +// NewConstSummaryWithCreatedTimestamp would have returned an error. +func MustNewConstSummaryWithCreatedTimestamp( + desc *Desc, + count uint64, + sum float64, + quantiles map[float64]float64, + ct time.Time, + labelValues ...string, +) Metric { + m, err := NewConstSummaryWithCreatedTimestamp(desc, count, sum, quantiles, ct, labelValues...) + if err != nil { + panic(err) + } + return m +} diff --git a/vendor/github.com/prometheus/client_golang/prometheus/vec.go b/vendor/github.com/prometheus/client_golang/prometheus/vec.go index 955cfd59..2c808eec 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/vec.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/vec.go @@ -507,7 +507,7 @@ func (m *metricMap) getOrCreateMetricWithLabelValues( return metric } -// getOrCreateMetricWithLabelValues retrieves the metric by hash and label value +// getOrCreateMetricWithLabels retrieves the metric by hash and label value // or creates it and returns the new one. // // This function holds the mutex. diff --git a/vendor/modules.txt b/vendor/modules.txt index 475cf00b..8d9ed15b 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -91,7 +91,7 @@ github.com/onsi/gomega/matchers/support/goraph/edge github.com/onsi/gomega/matchers/support/goraph/node github.com/onsi/gomega/matchers/support/goraph/util github.com/onsi/gomega/types -# github.com/prometheus/client_golang v1.19.1 +# github.com/prometheus/client_golang v1.20.0 ## explicit; go 1.20 github.com/prometheus/client_golang/prometheus github.com/prometheus/client_golang/prometheus/internal