mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
114 lines
2.7 KiB
Go
114 lines
2.7 KiB
Go
// Copyright 2016 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 clientv3_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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"go.etcd.io/etcd/clientv3"
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)
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func ExampleAuth() {
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cli, err := clientv3.New(clientv3.Config{
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Endpoints: endpoints,
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DialTimeout: dialTimeout,
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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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defer cli.Close()
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if _, err = cli.RoleAdd(context.TODO(), "root"); err != nil {
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log.Fatal(err)
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}
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if _, err = cli.UserAdd(context.TODO(), "root", "123"); err != nil {
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log.Fatal(err)
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}
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if _, err = cli.UserGrantRole(context.TODO(), "root", "root"); err != nil {
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log.Fatal(err)
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}
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if _, err = cli.RoleAdd(context.TODO(), "r"); err != nil {
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log.Fatal(err)
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}
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if _, err = cli.RoleGrantPermission(
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context.TODO(),
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"r", // role name
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"foo", // key
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"zoo", // range end
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clientv3.PermissionType(clientv3.PermReadWrite),
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); err != nil {
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log.Fatal(err)
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}
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if _, err = cli.UserAdd(context.TODO(), "u", "123"); err != nil {
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log.Fatal(err)
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}
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if _, err = cli.UserGrantRole(context.TODO(), "u", "r"); err != nil {
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log.Fatal(err)
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}
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if _, err = cli.AuthEnable(context.TODO()); err != nil {
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log.Fatal(err)
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}
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cliAuth, err := clientv3.New(clientv3.Config{
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Endpoints: endpoints,
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DialTimeout: dialTimeout,
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Username: "u",
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Password: "123",
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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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defer cliAuth.Close()
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if _, err = cliAuth.Put(context.TODO(), "foo1", "bar"); err != nil {
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log.Fatal(err)
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}
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_, err = cliAuth.Txn(context.TODO()).
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If(clientv3.Compare(clientv3.Value("zoo1"), ">", "abc")).
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Then(clientv3.OpPut("zoo1", "XYZ")).
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Else(clientv3.OpPut("zoo1", "ABC")).
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Commit()
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fmt.Println(err)
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// now check the permission with the root account
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rootCli, err := clientv3.New(clientv3.Config{
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Endpoints: endpoints,
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DialTimeout: dialTimeout,
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Username: "root",
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Password: "123",
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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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defer rootCli.Close()
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resp, err := rootCli.RoleGet(context.TODO(), "r")
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("user u permission: key %q, range end %q\n", resp.Perm[0].Key, resp.Perm[0].RangeEnd)
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if _, err = rootCli.AuthDisable(context.TODO()); err != nil {
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log.Fatal(err)
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}
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// Output: etcdserver: permission denied
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// user u permission: key "foo", range end "zoo"
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}
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