mirror of https://github.com/k3s-io/k3s
43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
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// Copyright 2015 The etcd 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 auth
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import (
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"github.com/prometheus/client_golang/prometheus"
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"sync"
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)
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var (
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currentAuthRevision = prometheus.NewGaugeFunc(prometheus.GaugeOpts{
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Namespace: "etcd_debugging",
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Subsystem: "auth",
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Name: "revision",
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Help: "The current revision of auth store.",
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},
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func() float64 {
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reportCurrentAuthRevMu.RLock()
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defer reportCurrentAuthRevMu.RUnlock()
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return reportCurrentAuthRev()
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},
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)
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// overridden by auth store initialization
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reportCurrentAuthRevMu sync.RWMutex
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reportCurrentAuthRev = func() float64 { return 0 }
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)
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func init() {
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prometheus.MustRegister(currentAuthRevision)
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}
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