68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
/*
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Copyright 2020 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 rest
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import (
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"sync"
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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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namespace = "kube_apiserver"
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subsystem = "pod_logs"
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usageEnforce = "enforce_tls"
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usageSkipAllowed = "skip_tls_allowed"
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usageSkipDenied = "skip_tls_denied"
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)
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var (
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// podLogsUsage counts and categorizes how the insecure backend skip TLS option is used and allowed.
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podLogsUsage = 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: "pods_logs_insecure_backend_total",
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Help: "Total number of requests for pods/logs sliced by usage type: enforce_tls, skip_tls_allowed, skip_tls_denied",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"usage"},
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)
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// podLogsTLSFailure counts how many attempts to get pod logs fail on tls verification
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podLogsTLSFailure = 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: "pods_logs_backend_tls_failure_total",
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Help: "Total number of requests for pods/logs that failed due to kubelet server TLS verification",
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StabilityLevel: metrics.ALPHA,
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},
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)
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)
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var registerMetricsOnce sync.Once
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func registerMetrics() {
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registerMetricsOnce.Do(func() {
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legacyregistry.MustRegister(podLogsUsage)
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legacyregistry.MustRegister(podLogsTLSFailure)
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})
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}
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