1 // Copyright 2018 The etcd Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package membership 16 17 import "github.com/prometheus/client_golang/prometheus" 18 19 var ( 20 ClusterVersionMetrics = prometheus.NewGaugeVec(prometheus.GaugeOpts{ 21 Namespace: "etcd", 22 Subsystem: "cluster", 23 Name: "version", 24 Help: "Which version is running. 1 for 'cluster_version' label with current cluster version", 25 }, 26 []string{"cluster_version"}) 27 ) 28 29 func init() { 30 prometheus.MustRegister(ClusterVersionMetrics) 31 } 32