-
Notifications
You must be signed in to change notification settings - Fork 367
/
iam.js
181 lines (154 loc) · 5.61 KB
/
iam.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
// Copyright 2019 Google LLC
//
// 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.
'use strict';
async function viewBucketIamMembers(bucketName) {
// [START storage_view_bucket_iam_members]
// Imports the Google Cloud client library
const {Storage} = require('@google-cloud/storage');
// Creates a client
const storage = new Storage();
/**
* TODO(developer): Uncomment the following line before running the sample.
*/
// const bucketName = 'Name of a bucket, e.g. my-bucket';
// Gets and displays the bucket's IAM policy
const results = await storage.bucket(bucketName).iam.getPolicy();
const policy = results[0].bindings;
// Displays the roles in the bucket's IAM policy
console.log(`Roles for bucket ${bucketName}:`);
policy.forEach(role => {
console.log(` Role: ${role.role}`);
console.log(` Members:`);
const members = role.members;
members.forEach(member => {
console.log(` ${member}`);
});
});
// [END storage_view_bucket_iam_members]
}
async function addBucketIamMember(bucketName, roleName, members) {
// [START storage_add_bucket_iam_member]
// Imports the Google Cloud client library
const {Storage} = require('@google-cloud/storage');
/**
* TODO(developer): Uncomment the following lines before running the sample.
*/
// const bucketName = 'Name of a bucket, e.g. my-bucket';
// const roleName = 'Role to grant, e.g. roles/storage.objectViewer';
// const members = [
// 'user:jdoe@example.com', // Example members to grant
// 'group:admins@example.com', // the new role to
// ];
// Creates a client
const storage = new Storage();
// Get a reference to a Google Cloud Storage bucket
const bucket = storage.bucket(bucketName);
// Gets and updates the bucket's IAM policy
const [policy] = await bucket.iam.getPolicy();
// Adds the new roles to the bucket's IAM policy
policy.bindings.push({
role: roleName,
members: members,
});
// Updates the bucket's IAM policy
await bucket.iam.setPolicy(policy);
console.log(
`Added the following member(s) with role ${roleName} to ${bucketName}:`
);
members.forEach(member => {
console.log(` ${member}`);
});
// [END storage_add_bucket_iam_member]
}
async function removeBucketIamMember(bucketName, roleName, members) {
// [START storage_remove_bucket_iam_member]
// Imports the Google Cloud client library
const {Storage} = require('@google-cloud/storage');
/**
* TODO(developer): Uncomment the following lines before running the sample.
*/
// const bucketName = 'Name of a bucket, e.g. my-bucket';
// const roleName = 'Role to grant, e.g. roles/storage.objectViewer';
// const members = [
// 'user:jdoe@example.com', // Example members to grant
// 'group:admins@example.com', // the new role to
// ];
// Creates a client
const storage = new Storage();
// Get a reference to a Google Cloud Storage bucket
const bucket = storage.bucket(bucketName);
// Gets and updates the bucket's IAM policy
const [policy] = await bucket.iam.getPolicy();
// Finds and updates the appropriate role-member group
const index = policy.bindings.findIndex(role => role.role === roleName);
const role = policy.bindings[index];
if (role) {
role.members = role.members.filter(
member => members.indexOf(member) === -1
);
// Updates the policy object with the new (or empty) role-member group
if (role.members.length === 0) {
policy.bindings.splice(index, 1);
} else {
policy.bindings.index = role;
}
// Updates the bucket's IAM policy
await bucket.iam.setPolicy(policy);
} else {
// No matching role-member group(s) were found
throw new Error('No matching role-member group(s) found.');
}
console.log(
`Removed the following member(s) with role ${roleName} from ${bucketName}:`
);
members.forEach(member => {
console.log(` ${member}`);
});
// [END storage_remove_bucket_iam_member]
}
require(`yargs`)
.demand(1)
.array('members')
.command(
`view-members <bucketName>`,
`Lists IAM member-role groups for a given Google Cloud Storage bucket.`,
{},
opts => viewBucketIamMembers(opts.bucketName)
)
.command(
`add-members <bucketName> <roleName> [members..]`,
`Adds one or more IAM member-role groups to a Google Cloud Storage bucket.`,
{},
opts => addBucketIamMember(opts.bucketName, opts.roleName, opts.members)
)
.command(
`remove-members <bucketName> <roleName> [members..]`,
`Removes one or more IAM member-role groups from a Google Cloud Storage bucket.`,
{},
opts => removeBucketIamMember(opts.bucketName, opts.roleName, opts.members)
)
.example(`node $0 view-members "my-bucket"`)
.example(
`node $0 add-members "my-bucket" "storage.objectViewer" "user:jdoe@example.com" "group:admins@example.com"`
)
.example(
`node $0 remove-members "my-bucket" "storage.objectViewer" "user:jdoe@example.com" "group:admins@example.com"`
)
.wrap(120)
.recommendCommands()
.epilogue(
`For more information, see https://cloud.google.com/iam/docs/overview and https://cloud.google.com/storage/docs`
)
.strict()
.help().argv;