use istio client-go library instead of knative (#1661)
use istio client-go library instead of knative bump kubernetes dependency version change code coverage to codecov
This commit is contained in:
zryfish
163
vendor/k8s.io/apiserver/pkg/storage/value/metrics.go
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vendored
163
vendor/k8s.io/apiserver/pkg/storage/value/metrics.go
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vendored
@@ -1,5 +1,5 @@
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/*
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Copyright 2017 The Kubernetes Authors.
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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@@ -21,6 +21,10 @@ import (
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"time"
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"github.com/prometheus/client_golang/prometheus"
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"google.golang.org/grpc/status"
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"k8s.io/component-base/metrics"
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"k8s.io/component-base/metrics/legacyregistry"
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)
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const (
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@@ -28,53 +32,101 @@ const (
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subsystem = "storage"
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)
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/*
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* By default, all the following metrics are defined as falling under
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* ALPHA stability level https://github.com/kubernetes/enhancements/blob/master/keps/sig-instrumentation/20190404-kubernetes-control-plane-metrics-stability.md#stability-classes)
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*
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* Promoting the stability level of the metric is a responsibility of the component owner, since it
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* involves explicitly acknowledging support for the metric across multiple releases, in accordance with
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* the metric stability policy.
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*/
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var (
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transformerLatencies = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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transformerLatencies = metrics.NewHistogramVec(
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&metrics.HistogramOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "transformation_duration_seconds",
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Help: "Latencies in seconds of value transformation operations.",
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// In-process transformations (ex. AES CBC) complete on the order of 20 microseconds. However, when
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// external KMS is involved latencies may climb into milliseconds.
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Buckets: prometheus.ExponentialBuckets(5e-6, 2, 14),
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"transformation_type"},
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)
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deprecatedTransformerLatencies = metrics.NewHistogramVec(
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&metrics.HistogramOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "transformation_latencies_microseconds",
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Help: "Latencies in microseconds of value transformation operations.",
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Help: "(Deprecated) Latencies in microseconds of value transformation operations.",
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// In-process transformations (ex. AES CBC) complete on the order of 20 microseconds. However, when
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// external KMS is involved latencies may climb into milliseconds.
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Buckets: prometheus.ExponentialBuckets(5, 2, 14),
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},
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[]string{"transformation_type"},
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)
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transformerFailuresTotal = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "transformation_failures_total",
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Help: "Total number of failed transformation operations.",
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Buckets: prometheus.ExponentialBuckets(5, 2, 14),
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"transformation_type"},
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)
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envelopeTransformationCacheMissTotal = prometheus.NewCounter(
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prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "envelope_transformation_cache_misses_total",
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Help: "Total number of cache misses while accessing key decryption key(KEK).",
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transformerOperationsTotal = metrics.NewCounterVec(
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&metrics.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "transformation_operations_total",
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Help: "Total number of transformations.",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"transformation_type", "transformer_prefix", "status"},
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)
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deprecatedTransformerFailuresTotal = metrics.NewCounterVec(
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&metrics.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "transformation_failures_total",
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Help: "(Deprecated) Total number of failed transformation operations.",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"transformation_type"},
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)
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envelopeTransformationCacheMissTotal = metrics.NewCounter(
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&metrics.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "envelope_transformation_cache_misses_total",
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Help: "Total number of cache misses while accessing key decryption key(KEK).",
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StabilityLevel: metrics.ALPHA,
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},
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)
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dataKeyGenerationLatencies = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "data_key_generation_latencies_microseconds",
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Help: "Latencies in microseconds of data encryption key(DEK) generation operations.",
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Buckets: prometheus.ExponentialBuckets(5, 2, 14),
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dataKeyGenerationLatencies = metrics.NewHistogram(
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&metrics.HistogramOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "data_key_generation_duration_seconds",
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Help: "Latencies in seconds of data encryption key(DEK) generation operations.",
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Buckets: prometheus.ExponentialBuckets(5e-6, 2, 14),
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StabilityLevel: metrics.ALPHA,
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},
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)
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dataKeyGenerationFailuresTotal = prometheus.NewCounter(
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prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "data_key_generation_failures_total",
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Help: "Total number of failed data encryption key(DEK) generation operations.",
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deprecatedDataKeyGenerationLatencies = metrics.NewHistogram(
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&metrics.HistogramOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "data_key_generation_latencies_microseconds",
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Help: "(Deprecated) Latencies in microseconds of data encryption key(DEK) generation operations.",
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Buckets: prometheus.ExponentialBuckets(5, 2, 14),
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StabilityLevel: metrics.ALPHA,
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},
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)
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dataKeyGenerationFailuresTotal = metrics.NewCounter(
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&metrics.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "data_key_generation_failures_total",
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Help: "Total number of failed data encryption key(DEK) generation operations.",
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StabilityLevel: metrics.ALPHA,
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},
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)
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)
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@@ -83,23 +135,29 @@ var registerMetrics sync.Once
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func RegisterMetrics() {
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registerMetrics.Do(func() {
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prometheus.MustRegister(transformerLatencies)
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prometheus.MustRegister(transformerFailuresTotal)
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prometheus.MustRegister(envelopeTransformationCacheMissTotal)
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prometheus.MustRegister(dataKeyGenerationLatencies)
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prometheus.MustRegister(dataKeyGenerationFailuresTotal)
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legacyregistry.MustRegister(transformerLatencies)
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legacyregistry.MustRegister(deprecatedTransformerLatencies)
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legacyregistry.MustRegister(transformerOperationsTotal)
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legacyregistry.MustRegister(deprecatedTransformerFailuresTotal)
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legacyregistry.MustRegister(envelopeTransformationCacheMissTotal)
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legacyregistry.MustRegister(dataKeyGenerationLatencies)
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legacyregistry.MustRegister(deprecatedDataKeyGenerationLatencies)
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legacyregistry.MustRegister(dataKeyGenerationFailuresTotal)
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})
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}
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// RecordTransformation records latencies and count of TransformFromStorage and TransformToStorage operations.
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func RecordTransformation(transformationType string, start time.Time, err error) {
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if err != nil {
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transformerFailuresTotal.WithLabelValues(transformationType).Inc()
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return
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}
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// Note that transformation_failures_total metric is deprecated, use transformation_operations_total instead.
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func RecordTransformation(transformationType, transformerPrefix string, start time.Time, err error) {
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transformerOperationsTotal.WithLabelValues(transformationType, transformerPrefix, status.Code(err).String()).Inc()
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since := sinceInMicroseconds(start)
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transformerLatencies.WithLabelValues(transformationType).Observe(float64(since))
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switch {
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case err == nil:
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transformerLatencies.WithLabelValues(transformationType).Observe(sinceInSeconds(start))
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deprecatedTransformerLatencies.WithLabelValues(transformationType).Observe(sinceInMicroseconds(start))
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default:
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deprecatedTransformerFailuresTotal.WithLabelValues(transformationType).Inc()
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}
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}
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// RecordCacheMiss records a miss on Key Encryption Key(KEK) - call to KMS was required to decrypt KEK.
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@@ -114,11 +172,16 @@ func RecordDataKeyGeneration(start time.Time, err error) {
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return
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}
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since := sinceInMicroseconds(start)
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dataKeyGenerationLatencies.Observe(float64(since))
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dataKeyGenerationLatencies.Observe(sinceInSeconds(start))
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deprecatedDataKeyGenerationLatencies.Observe(sinceInMicroseconds(start))
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}
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func sinceInMicroseconds(start time.Time) int64 {
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elapsedNanoseconds := time.Since(start).Nanoseconds()
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return elapsedNanoseconds / int64(time.Microsecond)
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// sinceInMicroseconds gets the time since the specified start in microseconds.
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func sinceInMicroseconds(start time.Time) float64 {
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return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
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}
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// sinceInSeconds gets the time since the specified start in seconds.
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func sinceInSeconds(start time.Time) float64 {
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return time.Since(start).Seconds()
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}
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