80 lines
2.5 KiB
Go
80 lines
2.5 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 metrics
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import (
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"context"
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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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subsystem = "apiserver"
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statuscode = "code"
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)
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var registerMetricsOnce sync.Once
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var (
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// streamTranslatorRequestsTotal counts the number of requests that were handled by
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// the StreamTranslatorProxy (RemoteCommand subprotocol).
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streamTranslatorRequestsTotal = metrics.NewCounterVec(
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&metrics.CounterOpts{
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Subsystem: subsystem,
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Name: "stream_translator_requests_total",
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Help: "Total number of requests that were handled by the StreamTranslatorProxy, which processes streaming RemoteCommand/V5",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{statuscode},
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)
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// streamTunnelRequestsTotal counts the number of requests that were handled by
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// the StreamTunnelProxy (PortForward subprotocol).
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streamTunnelRequestsTotal = metrics.NewCounterVec(
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&metrics.CounterOpts{
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Subsystem: subsystem,
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Name: "stream_tunnel_requests_total",
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Help: "Total number of requests that were handled by the StreamTunnelProxy, which processes streaming PortForward/V2",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{statuscode},
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)
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)
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func Register() {
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registerMetricsOnce.Do(func() {
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legacyregistry.MustRegister(streamTranslatorRequestsTotal)
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legacyregistry.MustRegister(streamTunnelRequestsTotal)
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})
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}
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func ResetForTest() {
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streamTranslatorRequestsTotal.Reset()
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streamTunnelRequestsTotal.Reset()
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}
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// IncStreamTranslatorRequest increments the # of requests handled by the StreamTranslatorProxy.
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func IncStreamTranslatorRequest(ctx context.Context, status string) {
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streamTranslatorRequestsTotal.WithContext(ctx).WithLabelValues(status).Add(1)
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}
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// IncStreamTunnelRequest increments the # of requests handled by the StreamTunnelProxy.
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func IncStreamTunnelRequest(ctx context.Context, status string) {
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streamTunnelRequestsTotal.WithContext(ctx).WithLabelValues(status).Add(1)
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}
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