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// Copyright 2016 The etcd Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package clientv3_test
import (
"context"
"fmt"
"log"
"go.etcd.io/etcd/client/v3"
)
func mockCluster_memberList() {
fmt.Println("members: 3")
}
func ExampleCluster_memberList() {
forUnitTestsRunInMockedContext(mockCluster_memberList, func() {
cli, err := clientv3.New(clientv3.Config{
Endpoints: exampleEndpoints(),
DialTimeout: dialTimeout,
})
if err != nil {
log.Fatal(err)
}
defer cli.Close()
resp, err := cli.MemberList(context.Background())
if err != nil {
log.Fatal(err)
}
fmt.Println("members:", len(resp.Members))
})
// Output: members: 3
}
func mockCluster_memberAdd() {
fmt.Println("added member.PeerURLs: [http://localhost:32380]")
fmt.Println("members count: 4")
}
func ExampleCluster_memberAdd() {
forUnitTestsRunInMockedContext(mockCluster_memberAdd, func() {
cli, err := clientv3.New(clientv3.Config{
Endpoints: exampleEndpoints(),
DialTimeout: dialTimeout,
})
if err != nil {
log.Fatal(err)
}
defer cli.Close()
// Add member 1:
mresp, err := cli.MemberAdd(context.Background(), []string{"http://localhost:32380"})
if err != nil {
log.Fatal(err)
}
fmt.Println("added member.PeerURLs:", mresp.Member.PeerURLs)
fmt.Println("members count:", len(mresp.Members))
// Restore original cluster state
_, err = cli.MemberRemove(context.Background(), mresp.Member.ID)
if err != nil {
log.Fatal(err)
}
})
// Output:
// added member.PeerURLs: [http://localhost:32380]
// members count: 4
}
func mockCluster_memberAddAsLearner() {
fmt.Println("members count: 4")
fmt.Println("added member.IsLearner: true")
}
func ExampleCluster_memberAddAsLearner() {
forUnitTestsRunInMockedContext(mockCluster_memberAddAsLearner, func() {
cli, err := clientv3.New(clientv3.Config{
Endpoints: exampleEndpoints(),
DialTimeout: dialTimeout,
})
if err != nil {
log.Fatal(err)
}
defer cli.Close()
mresp, err := cli.MemberAddAsLearner(context.Background(), []string{"http://localhost:32381"})
if err != nil {
log.Fatal(err)
}
// Restore original cluster state
_, err = cli.MemberRemove(context.Background(), mresp.Member.ID)
if err != nil {
log.Fatal(err)
}
fmt.Println("members count:", len(mresp.Members))
fmt.Println("added member.IsLearner:", mresp.Member.IsLearner)
})
// Output:
// members count: 4
// added member.IsLearner: true
}
func mockCluster_memberRemove() {}
func ExampleCluster_memberRemove() {
forUnitTestsRunInMockedContext(mockCluster_memberRemove, func() {
cli, err := clientv3.New(clientv3.Config{
Endpoints: exampleEndpoints(),
DialTimeout: dialTimeout,
})
if err != nil {
log.Fatal(err)
}
defer cli.Close()
resp, err := cli.MemberList(context.Background())
if err != nil {
log.Fatal(err)
}
_, err = cli.MemberRemove(context.Background(), resp.Members[0].ID)
if err != nil {
log.Fatal(err)
}
// Restore original cluster:
_, err = cli.MemberAdd(context.Background(), resp.Members[0].PeerURLs)
if err != nil {
log.Fatal(err)
}
})
}
func mockCluster_memberUpdate() {}
func ExampleCluster_memberUpdate() {
forUnitTestsRunInMockedContext(mockCluster_memberUpdate, func() {
cli, err := clientv3.New(clientv3.Config{
Endpoints: exampleEndpoints(),
DialTimeout: dialTimeout,
})
if err != nil {
log.Fatal(err)
}
defer cli.Close()
resp, err := cli.MemberList(context.Background())
if err != nil {
log.Fatal(err)
}
peerURLs := []string{"http://localhost:12380"}
_, err = cli.MemberUpdate(context.Background(), resp.Members[0].ID, peerURLs)
if err != nil {
log.Fatal(err)
}
// Restore to mitigate impact on other tests:
_, err = cli.MemberUpdate(context.Background(), resp.Members[0].ID, resp.Members[0].PeerURLs)
if err != nil {
log.Fatal(err)
}
})
// Output:
}
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