39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
// Copyright 2020 The Kubernetes Authors.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package api
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import (
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"k8s.io/component-base/metrics"
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)
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var (
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metricFreshness = metrics.NewHistogramVec(
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&metrics.HistogramOpts{
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Namespace: "metrics_server",
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Subsystem: "api",
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Name: "metric_freshness_seconds",
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Help: "Freshness of metrics exported",
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Buckets: metrics.ExponentialBuckets(1, 1.364, 20),
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},
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[]string{},
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)
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)
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// RegisterAPIMetrics registers a histogram metric for the freshness of
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// exported metrics.
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func RegisterAPIMetrics(registrationFunc func(metrics.Registerable) error) error {
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return registrationFunc(metricFreshness)
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}
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