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79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
/*
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Copyright 2024 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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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package clustertrustbundlepublisher
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import (
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"errors"
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"strconv"
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"sync"
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"time"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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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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// clustertrustbundlePublisher - subsystem name used by clustertrustbundle_publisher
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const (
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clustertrustbundlePublisher = "clustertrustbundle_publisher"
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)
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var (
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syncCounter = metrics.NewCounterVec(
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&metrics.CounterOpts{
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Subsystem: clustertrustbundlePublisher,
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Name: "sync_total",
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Help: "Number of syncs that occurred in cluster trust bundle publisher.",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"code"},
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)
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syncLatency = metrics.NewHistogramVec(
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&metrics.HistogramOpts{
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Subsystem: clustertrustbundlePublisher,
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Name: "sync_duration_seconds",
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Help: "The time it took to sync a cluster trust bundle.",
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Buckets: metrics.ExponentialBuckets(0.001, 2, 15),
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"code"},
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)
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)
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func recordMetrics(start time.Time, err error) {
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code := "500"
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if err == nil {
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code = "200"
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} else {
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var statusErr apierrors.APIStatus
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if errors.As(err, &statusErr) && statusErr.Status().Code != 0 {
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code = strconv.Itoa(int(statusErr.Status().Code))
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}
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}
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syncLatency.WithLabelValues(code).Observe(time.Since(start).Seconds())
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syncCounter.WithLabelValues(code).Inc()
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}
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var once sync.Once
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func registerMetrics() {
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once.Do(func() {
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legacyregistry.MustRegister(syncCounter)
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legacyregistry.MustRegister(syncLatency)
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})
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}
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