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923f0aa3e7
To make it possible to alert on misconfigured etcd clusters that have missing/superfluous peers, expose the list of peers as a metric. This metric can, for example, be compared to the control-plane nodes of a kubernetes cluster.
41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
// Copyright 2018 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 membership
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import "github.com/prometheus/client_golang/prometheus"
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var (
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ClusterVersionMetrics = prometheus.NewGaugeVec(prometheus.GaugeOpts{
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Namespace: "etcd",
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Subsystem: "cluster",
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Name: "version",
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Help: "Which version is running. 1 for 'cluster_version' label with current cluster version",
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},
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[]string{"cluster_version"})
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knownPeers = prometheus.NewGaugeVec(prometheus.GaugeOpts{
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Namespace: "etcd",
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Subsystem: "network",
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Name: "known_peers",
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Help: "The current number of known peers.",
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},
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[]string{"Local", "Remote"},
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)
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)
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func init() {
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prometheus.MustRegister(ClusterVersionMetrics)
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prometheus.MustRegister(knownPeers)
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}
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