mirror of
https://github.com/etcd-io/etcd.git
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94 lines
2.2 KiB
Go
94 lines
2.2 KiB
Go
// Copyright 2017 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package client_test
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import (
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"context"
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"fmt"
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"log"
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"sort"
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"go.etcd.io/etcd/client"
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)
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func ExampleKeysAPI_directory() {
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c, err := client.New(client.Config{
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Endpoints: exampleEndpoints,
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Transport: exampleTransport,
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})
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if err != nil {
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log.Fatal(err)
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}
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kapi := client.NewKeysAPI(c)
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// Setting '/myNodes' to create a directory that will hold some keys.
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o := client.SetOptions{Dir: true}
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resp, err := kapi.Set(context.Background(), "/myNodes", "", &o)
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if err != nil {
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log.Fatal(err)
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}
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// Add keys to /myNodes directory.
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resp, err = kapi.Set(context.Background(), "/myNodes/key1", "value1", nil)
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if err != nil {
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log.Fatal(err)
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}
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resp, err = kapi.Set(context.Background(), "/myNodes/key2", "value2", nil)
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if err != nil {
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log.Fatal(err)
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}
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// fetch directory
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resp, err = kapi.Get(context.Background(), "/myNodes", nil)
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if err != nil {
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log.Fatal(err)
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}
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// print directory keys
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sort.Sort(resp.Node.Nodes)
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for _, n := range resp.Node.Nodes {
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fmt.Printf("Key: %q, Value: %q\n", n.Key, n.Value)
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}
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// Output:
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// Key: "/myNodes/key1", Value: "value1"
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// Key: "/myNodes/key2", Value: "value2"
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}
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func ExampleKeysAPI_setget() {
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c, err := client.New(client.Config{
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Endpoints: exampleEndpoints,
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Transport: exampleTransport,
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})
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if err != nil {
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log.Fatal(err)
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}
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kapi := client.NewKeysAPI(c)
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// Set key "/foo" to value "bar".
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resp, err := kapi.Set(context.Background(), "/foo", "bar", nil)
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if err != nil {
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log.Fatal(err)
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}
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// Get key "/foo"
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resp, err = kapi.Get(context.Background(), "/foo", nil)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("%q key has %q value\n", resp.Node.Key, resp.Node.Value)
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// Output: "/foo" key has "bar" value
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}
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