| // Copyright 2017 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 client_test |
| |
| import ( |
| "context" |
| "fmt" |
| "log" |
| "sort" |
| |
| "github.com/coreos/etcd/client" |
| ) |
| |
| func ExampleKeysAPI_directory() { |
| c, err := client.New(client.Config{ |
| Endpoints: exampleEndpoints, |
| Transport: exampleTransport, |
| }) |
| if err != nil { |
| log.Fatal(err) |
| } |
| kapi := client.NewKeysAPI(c) |
| |
| // Setting '/myNodes' to create a directory that will hold some keys. |
| o := client.SetOptions{Dir: true} |
| resp, err := kapi.Set(context.Background(), "/myNodes", "", &o) |
| if err != nil { |
| log.Fatal(err) |
| } |
| |
| // Add keys to /myNodes directory. |
| resp, err = kapi.Set(context.Background(), "/myNodes/key1", "value1", nil) |
| if err != nil { |
| log.Fatal(err) |
| } |
| resp, err = kapi.Set(context.Background(), "/myNodes/key2", "value2", nil) |
| if err != nil { |
| log.Fatal(err) |
| } |
| |
| // fetch directory |
| resp, err = kapi.Get(context.Background(), "/myNodes", nil) |
| if err != nil { |
| log.Fatal(err) |
| } |
| // print directory keys |
| sort.Sort(resp.Node.Nodes) |
| for _, n := range resp.Node.Nodes { |
| fmt.Printf("Key: %q, Value: %q\n", n.Key, n.Value) |
| } |
| |
| // Output: |
| // Key: "/myNodes/key1", Value: "value1" |
| // Key: "/myNodes/key2", Value: "value2" |
| } |
| |
| func ExampleKeysAPI_setget() { |
| c, err := client.New(client.Config{ |
| Endpoints: exampleEndpoints, |
| Transport: exampleTransport, |
| }) |
| if err != nil { |
| log.Fatal(err) |
| } |
| kapi := client.NewKeysAPI(c) |
| |
| // Set key "/foo" to value "bar". |
| resp, err := kapi.Set(context.Background(), "/foo", "bar", nil) |
| if err != nil { |
| log.Fatal(err) |
| } |
| // Get key "/foo" |
| resp, err = kapi.Get(context.Background(), "/foo", nil) |
| if err != nil { |
| log.Fatal(err) |
| } |
| |
| fmt.Printf("%q key has %q value\n", resp.Node.Key, resp.Node.Value) |
| |
| // Output: "/foo" key has "bar" value |
| } |