go.etcd.io/etcd@v3.3.27+incompatible/clientv3/example_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 "log" 20 "os" 21 "time" 22 23 "github.com/coreos/etcd/clientv3" 24 "github.com/coreos/etcd/pkg/transport" 25 26 "google.golang.org/grpc/grpclog" 27 ) 28 29 var ( 30 dialTimeout = 5 * time.Second 31 requestTimeout = 10 * time.Second 32 endpoints = []string{"localhost:2379", "localhost:22379", "localhost:32379"} 33 ) 34 35 func Example() { 36 clientv3.SetLogger(grpclog.NewLoggerV2(os.Stderr, os.Stderr, os.Stderr)) 37 38 cli, err := clientv3.New(clientv3.Config{ 39 Endpoints: endpoints, 40 DialTimeout: dialTimeout, 41 }) 42 if err != nil { 43 log.Fatal(err) 44 } 45 defer cli.Close() // make sure to close the client 46 47 _, err = cli.Put(context.TODO(), "foo", "bar") 48 if err != nil { 49 log.Fatal(err) 50 } 51 } 52 53 func ExampleConfig_withTLS() { 54 tlsInfo := transport.TLSInfo{ 55 CertFile: "/tmp/test-certs/test-name-1.pem", 56 KeyFile: "/tmp/test-certs/test-name-1-key.pem", 57 TrustedCAFile: "/tmp/test-certs/trusted-ca.pem", 58 } 59 tlsConfig, err := tlsInfo.ClientConfig() 60 if err != nil { 61 log.Fatal(err) 62 } 63 cli, err := clientv3.New(clientv3.Config{ 64 Endpoints: endpoints, 65 DialTimeout: dialTimeout, 66 TLS: tlsConfig, 67 }) 68 if err != nil { 69 log.Fatal(err) 70 } 71 defer cli.Close() // make sure to close the client 72 73 _, err = cli.Put(context.TODO(), "foo", "bar") 74 if err != nil { 75 log.Fatal(err) 76 } 77 }