github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/pkg/etcd/metrics.go (about)

     1  // Copyright 2021 PingCAP, Inc.
     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  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package etcd
    15  
    16  import "github.com/prometheus/client_golang/prometheus"
    17  
    18  var etcdRequestCounter = prometheus.NewCounterVec(
    19  	prometheus.CounterOpts{
    20  		Namespace: "ticdc",
    21  		Subsystem: "etcd",
    22  		Name:      "request_count",
    23  		Help:      "request counter of etcd operation",
    24  	}, []string{"type"})
    25  
    26  var etcdStateGauge = prometheus.NewGaugeVec(
    27  	prometheus.GaugeOpts{
    28  		Namespace: "ticdc",
    29  		Subsystem: "etcd",
    30  		Name:      "etcd_client",
    31  		Help:      "Etcd client states.",
    32  	}, []string{"type"})
    33  
    34  // InitMetrics registers the etcd request counter.
    35  func InitMetrics(registry *prometheus.Registry) {
    36  	prometheus.MustRegister(etcdStateGauge)
    37  	registry.MustRegister(etcdRequestCounter)
    38  }