mirror of
https://github.com/kubernetes-sigs/prometheus-adapter.git
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vendor: revendor
This commit is contained in:
Sergiusz Urbaniak
parent
269295a414
commit
9f0440be0f
669 changed files with 58447 additions and 20021 deletions
82
vendor/k8s.io/apiserver/pkg/util/flowcontrol/metrics/metrics.go
generated
vendored
82
vendor/k8s.io/apiserver/pkg/util/flowcontrol/metrics/metrics.go
generated
vendored
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@ -34,8 +34,8 @@ const (
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const (
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requestKind = "request_kind"
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priorityLevel = "priorityLevel"
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flowSchema = "flowSchema"
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priorityLevel = "priority_level"
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flowSchema = "flow_schema"
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phase = "phase"
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mark = "mark"
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)
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@ -84,19 +84,21 @@ func (rs Registerables) Append(more ...compbasemetrics.Registerable) Registerabl
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var (
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apiserverRejectedRequestsTotal = compbasemetrics.NewCounterVec(
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&compbasemetrics.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "rejected_requests_total",
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Help: "Number of requests rejected by API Priority and Fairness system",
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "rejected_requests_total",
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Help: "Number of requests rejected by API Priority and Fairness system",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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[]string{priorityLevel, flowSchema, "reason"},
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)
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apiserverDispatchedRequestsTotal = compbasemetrics.NewCounterVec(
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&compbasemetrics.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "dispatched_requests_total",
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Help: "Number of requests released by API Priority and Fairness system for service",
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "dispatched_requests_total",
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Help: "Number of requests released by API Priority and Fairness system for service",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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[]string{priorityLevel, flowSchema},
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)
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@ -143,58 +145,64 @@ var (
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apiserverCurrentInqueueRequests = compbasemetrics.NewGaugeVec(
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&compbasemetrics.GaugeOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "current_inqueue_requests",
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Help: "Number of requests currently pending in queues of the API Priority and Fairness system",
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "current_inqueue_requests",
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Help: "Number of requests currently pending in queues of the API Priority and Fairness system",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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[]string{priorityLevel, flowSchema},
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)
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apiserverRequestQueueLength = compbasemetrics.NewHistogramVec(
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&compbasemetrics.HistogramOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "request_queue_length_after_enqueue",
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Help: "Length of queue in the API Priority and Fairness system, as seen by each request after it is enqueued",
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Buckets: queueLengthBuckets,
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "request_queue_length_after_enqueue",
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Help: "Length of queue in the API Priority and Fairness system, as seen by each request after it is enqueued",
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Buckets: queueLengthBuckets,
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StabilityLevel: compbasemetrics.ALPHA,
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},
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[]string{priorityLevel, flowSchema},
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)
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apiserverRequestConcurrencyLimit = compbasemetrics.NewGaugeVec(
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&compbasemetrics.GaugeOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "request_concurrency_limit",
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Help: "Shared concurrency limit in the API Priority and Fairness system",
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "request_concurrency_limit",
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Help: "Shared concurrency limit in the API Priority and Fairness system",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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[]string{priorityLevel},
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)
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apiserverCurrentExecutingRequests = compbasemetrics.NewGaugeVec(
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&compbasemetrics.GaugeOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "current_executing_requests",
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Help: "Number of requests currently executing in the API Priority and Fairness system",
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "current_executing_requests",
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Help: "Number of requests currently executing in the API Priority and Fairness system",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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[]string{priorityLevel, flowSchema},
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)
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apiserverRequestWaitingSeconds = compbasemetrics.NewHistogramVec(
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&compbasemetrics.HistogramOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "request_wait_duration_seconds",
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Help: "Length of time a request spent waiting in its queue",
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Buckets: requestDurationSecondsBuckets,
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "request_wait_duration_seconds",
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Help: "Length of time a request spent waiting in its queue",
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Buckets: requestDurationSecondsBuckets,
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StabilityLevel: compbasemetrics.ALPHA,
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},
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[]string{priorityLevel, flowSchema, "execute"},
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)
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apiserverRequestExecutionSeconds = compbasemetrics.NewHistogramVec(
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&compbasemetrics.HistogramOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "request_execution_seconds",
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Help: "Duration of request execution in the API Priority and Fairness system",
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Buckets: requestDurationSecondsBuckets,
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "request_execution_seconds",
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Help: "Duration of request execution in the API Priority and Fairness system",
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Buckets: requestDurationSecondsBuckets,
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StabilityLevel: compbasemetrics.ALPHA,
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},
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[]string{priorityLevel, flowSchema},
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)
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55
vendor/k8s.io/apiserver/pkg/util/flowcontrol/metrics/sample_and_watermark.go
generated
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55
vendor/k8s.io/apiserver/pkg/util/flowcontrol/metrics/sample_and_watermark.go
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@ -64,13 +64,16 @@ func (spg SampleAndWaterMarkPairGenerator) metrics() Registerables {
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// SampleAndWaterMarkObserverGenerator creates TimedObservers that
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// populate histograms of samples and low- and high-water-marks. The
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// generator has a samplePeriod, and the histograms get an observation
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// every samplePeriod.
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// every samplePeriod. The sampling windows are quantized based on
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// the monotonic rather than wall-clock times. The `t0` field is
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// there so to provide a baseline for monotonic clock differences.
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type SampleAndWaterMarkObserverGenerator struct {
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*sampleAndWaterMarkObserverGenerator
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}
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type sampleAndWaterMarkObserverGenerator struct {
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clock clock.PassiveClock
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t0 time.Time
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samplePeriod time.Duration
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samples *compbasemetrics.HistogramVec
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waterMarks *compbasemetrics.HistogramVec
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@ -83,6 +86,7 @@ func NewSampleAndWaterMarkHistogramsGenerator(clock clock.PassiveClock, samplePe
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return SampleAndWaterMarkObserverGenerator{
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&sampleAndWaterMarkObserverGenerator{
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clock: clock,
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t0: clock.Now(),
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samplePeriod: samplePeriod,
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samples: compbasemetrics.NewHistogramVec(sampleOpts, labelNames),
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waterMarks: compbasemetrics.NewHistogramVec(waterMarkOpts, append([]string{labelNameMark}, labelNames...)),
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@ -90,7 +94,7 @@ func NewSampleAndWaterMarkHistogramsGenerator(clock clock.PassiveClock, samplePe
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}
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func (swg *sampleAndWaterMarkObserverGenerator) quantize(when time.Time) int64 {
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return when.UnixNano() / int64(swg.samplePeriod)
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return int64(when.Sub(swg.t0) / swg.samplePeriod)
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}
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// Generate makes a new TimedObserver
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@ -156,31 +160,46 @@ func (saw *sampleAndWaterMarkHistograms) SetX1(x1 float64) {
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}
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func (saw *sampleAndWaterMarkHistograms) innerSet(updateXOrX1 func()) {
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saw.Lock()
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when := saw.clock.Now()
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whenInt := saw.quantize(when)
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acc := saw.sampleAndWaterMarkAccumulator
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wellOrdered := !when.Before(acc.lastSet)
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if wellOrdered {
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var when time.Time
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var whenInt int64
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var acc sampleAndWaterMarkAccumulator
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var wellOrdered bool
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func() {
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saw.Lock()
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defer saw.Unlock()
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when = saw.clock.Now()
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whenInt = saw.quantize(when)
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acc = saw.sampleAndWaterMarkAccumulator
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wellOrdered = !when.Before(acc.lastSet)
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updateXOrX1()
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saw.relX = saw.x / saw.x1
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if acc.lastSetInt < whenInt {
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saw.loRelX, saw.hiRelX = acc.relX, acc.relX
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saw.lastSetInt = whenInt
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if wellOrdered {
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if acc.lastSetInt < whenInt {
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saw.loRelX, saw.hiRelX = acc.relX, acc.relX
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saw.lastSetInt = whenInt
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}
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saw.lastSet = when
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}
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// `wellOrdered` should always be true because we are using
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// monotonic clock readings and they never go backwards. Yet
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// very small backwards steps (under 1 microsecond) have been
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// observed
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// (https://github.com/kubernetes/kubernetes/issues/96459).
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// In the backwards case, treat the current reading as if it
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// had occurred at time `saw.lastSet` and log an error. It
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// would be wrong to update `saw.lastSet` in this case because
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// that plants a time bomb for future updates to
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// `saw.lastSetInt`.
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if saw.relX < saw.loRelX {
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saw.loRelX = saw.relX
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} else if saw.relX > saw.hiRelX {
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saw.hiRelX = saw.relX
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}
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saw.lastSet = when
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}
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saw.Unlock()
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}()
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if !wellOrdered {
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lastSetS := acc.lastSet.Format(time.RFC3339Nano)
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whenS := when.Format(time.RFC3339Nano)
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klog.Fatalf("Time went backwards from %s to %s for labelValues=%#+v", lastSetS, whenS, saw.labelValues)
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panic(append([]string{lastSetS, whenS}, saw.labelValues...))
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lastSetS := acc.lastSet.String()
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whenS := when.String()
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klog.Errorf("Time went backwards from %s to %s for labelValues=%#+v", lastSetS, whenS, saw.labelValues)
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}
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for acc.lastSetInt < whenInt {
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saw.samples.WithLabelValues(saw.labelValues...).Observe(acc.relX)
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