go.etcd.io/etcd@v3.3.27+incompatible/clientv3/example_maintenence_test.go (about)

     1  // Copyright 2016 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 clientv3_test
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  	"log"
    21  
    22  	"github.com/coreos/etcd/clientv3"
    23  )
    24  
    25  func ExampleMaintenance_status() {
    26  	for _, ep := range endpoints {
    27  		cli, err := clientv3.New(clientv3.Config{
    28  			Endpoints:   []string{ep},
    29  			DialTimeout: dialTimeout,
    30  		})
    31  		if err != nil {
    32  			log.Fatal(err)
    33  		}
    34  		defer cli.Close()
    35  
    36  		resp, err := cli.Status(context.Background(), ep)
    37  		if err != nil {
    38  			log.Fatal(err)
    39  		}
    40  		fmt.Printf("endpoint: %s / Leader: %v\n", ep, resp.Header.MemberId == resp.Leader)
    41  	}
    42  	// endpoint: localhost:2379 / Leader: false
    43  	// endpoint: localhost:22379 / Leader: false
    44  	// endpoint: localhost:32379 / Leader: true
    45  }
    46  
    47  func ExampleMaintenance_defragment() {
    48  	for _, ep := range endpoints {
    49  		cli, err := clientv3.New(clientv3.Config{
    50  			Endpoints:   []string{ep},
    51  			DialTimeout: dialTimeout,
    52  		})
    53  		if err != nil {
    54  			log.Fatal(err)
    55  		}
    56  		defer cli.Close()
    57  
    58  		if _, err = cli.Defragment(context.TODO(), ep); err != nil {
    59  			log.Fatal(err)
    60  		}
    61  	}
    62  }