65 lines
1.9 KiB
Go
65 lines
1.9 KiB
Go
/*
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Copyright 2022 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/apimachinery/pkg/runtime/schema"
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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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type RequestBodyVerb string
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const (
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Patch RequestBodyVerb = "patch"
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Delete RequestBodyVerb = "delete"
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Update RequestBodyVerb = "update"
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Create RequestBodyVerb = "create"
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DeleteCollection RequestBodyVerb = "delete_collection"
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)
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var (
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RequestBodySizes = metrics.NewHistogramVec(
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&metrics.HistogramOpts{
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Subsystem: "apiserver",
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Name: "request_body_size_bytes",
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Help: "Apiserver request body size in bytes broken out by resource and verb.",
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// we use 0.05 KB as the smallest bucket with 0.1 KB increments up to the
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// apiserver limit.
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Buckets: metrics.LinearBuckets(50000, 100000, 31),
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"group", "resource", "verb"},
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)
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)
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var registerMetrics sync.Once
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// Register all metrics.
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func Register() {
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registerMetrics.Do(func() {
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legacyregistry.MustRegister(RequestBodySizes)
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})
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}
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func RecordRequestBodySize(ctx context.Context, groupResource schema.GroupResource, verb RequestBodyVerb, size int) {
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RequestBodySizes.WithContext(ctx).WithLabelValues(groupResource.Group, groupResource.Resource, string(verb)).Observe(float64(size))
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}
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