50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
/*
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Copyright 2021 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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"k8s.io/apiserver/pkg/authorization/cel"
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)
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// AuthorizerMetrics specifies a set of methods that are used to register various metrics for the webhook authorizer
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type AuthorizerMetrics interface {
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// Request total and latency metrics
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RequestMetrics
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// match condition metrics
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cel.MatcherMetrics
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}
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type NoopAuthorizerMetrics struct {
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NoopRequestMetrics
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cel.NoopMatcherMetrics
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}
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type RequestMetrics interface {
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// RecordRequestTotal increments the total number of requests for the webhook authorizer
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RecordRequestTotal(ctx context.Context, code string)
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// RecordRequestLatency measures request latency in seconds for webhooks. Broken down by status code.
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RecordRequestLatency(ctx context.Context, code string, latency float64)
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}
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type NoopRequestMetrics struct{}
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func (NoopRequestMetrics) RecordRequestTotal(context.Context, string) {}
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func (NoopRequestMetrics) RecordRequestLatency(context.Context, string, float64) {}
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