-
Notifications
You must be signed in to change notification settings - Fork 0
/
gcp-inventory.js
338 lines (317 loc) · 10.6 KB
/
gcp-inventory.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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
"use strict";
// Imports the Google Cloud client libraries
const Resource = require('@google-cloud/resource');
const Compute = require('@google-cloud/compute');
const Storage = require('@google-cloud/storage');
// Imports needed because Cloud client libraries do not support IAM listing
const google = require('googleapis');
const cloudResourceManager = google.cloudresourcemanager('v1beta1');
// Imports other libraries
const fs = require('fs');
const getenv = require('getenv');
const email = require("emailjs");
// Imports environment variables
const TMP_DIR = getenv('TMP_DIR');
const GCP_BUCKET = getenv('GCP_BUCKET');
const SMTP_USER = getenv('SMTP_USER');
const SMTP_PASSWORD = getenv('SMTP_PASSWORD');
const SMTP_HOST = getenv('SMTP_HOST');
const SMTP_PORT = getenv('SMTP_PORT');
const SMTP_FROM = getenv('SMTP_FROM');
const SMTP_TO = getenv('SMTP_TO');
// Creates output write stream
const csvFileName = 'gcp-inventory-' + new Date().toISOString() + '.csv';
const tmpCsv = TMP_DIR + '/' + csvFileName;
const writer = fs.createWriteStream(tmpCsv);
// Creates clients
const resourceClient = new Resource({});
const storage = new Storage();
// Runs the audit
(async function runAudit() {
writer.write('GCP INVENTORY\n');
const projects = await getProjects();
await listVMs(projects);
await listDisks(projects);
await listSnapshots(projects);
await listFirewalls(projects);
await listIams(projects);
await uploadFileToBucket();
sendFileByEmail()
})();
// Lists current projects
function getProjects() {
return resourceClient
.getProjects()
.then(results => {
const projects = results[0];
//console.log(JSON.stringify(projects, null, 2));
return projects;
})
.catch(err => {
console.error('ERROR:', err);
});
}
// List VMs for projects
function listVMs(projects) {
const vmPromises = [];
for (let i = 0; i < projects.length; i++) {
const project = projects[i].metadata;
const projectId = project.projectId;
const projectStatus = project.lifecycleState;
const gce = new Compute({
projectId: projectId
});
const vmPromise = gce.getVMs({
}).then(function(data) {
const vms = data[0];
if(vms) {
for(let i = 0; i < vms.length; i++) {
const vm = vms[i].metadata;
const vmName = vm.name;
const zone = vm.zone.split('/').pop();
const vmMachineType = vm.machineType;
// ASSUMPTION: Only one network interface
const networkInterface = vm.networkInterfaces[0];
const vnInternalIP = networkInterface.networkIP;
const vmExternalIP = networkInterface.accessConfigs[0].natIP;
const vmStatus = vm.status;
if(!listVMs.vmHeaderPrinted) {
writer.write(',\n');
writer.write('VMs\n');
writer.write('projectId,projectStatus,vmName,zone,vmMachineType,vnInternalIP,vmExternalIP,vmStatus\n');
listVMs.vmHeaderPrinted = true;
}
writer.write(projectId + ',' + projectStatus + ',' + vmName + ',' + zone + ',' + vmMachineType + ',' + vnInternalIP + ',' + vmExternalIP + ',' + vmStatus + '\n');
}
}
}).catch((e) => {
// generate audit even if some APIs are not available for certain projects
});
vmPromises.push(vmPromise);
}
return Promise.all(vmPromises);
}
function listDisks(projects) {
const diskPromises = [];
for (let i = 0; i < projects.length; i++) {
const project = projects[i].metadata;
const projectId = project.projectId;
const gce = new Compute({
projectId: projectId
});
const diskPromise = gce.getDisks({
}).then(function(data) {
const disks = data[0];
if(disks) {
for(let i = 0; i < disks.length; i++) {
const disk = disks[i].metadata;
const diskName = disk.name;
const zone = disk.zone.split('/').pop();
const diskSize = disk.sizeGb;
const diskType = disk.type.split('/').pop();
const diskStatus = disk.status;
if(!listDisks.disksHeaderPrinted) {
writer.write(',\n');
writer.write('DISKS\n');
writer.write('projectId,diskName,zone,diskSize,diskType,diskStatus\n');
listDisks.disksHeaderPrinted = true;
}
writer.write(projectId + ',' + diskName + ',' + zone + ',' + diskSize + ',' + diskType + ',' + diskStatus + '\n');
}
}
}).catch((e) => {
// generate audit even if some APIs are not available for certain projects
});
diskPromises.push(diskPromise);
}
return Promise.all(diskPromises);
}
function listSnapshots(projects) {
const snapshotPromises = [];
for (let i = 0; i < projects.length; i++) {
const project = projects[i].metadata;
const projectId = project.projectId;
const gce = new Compute({
projectId: projectId
});
const snapshotPromise = gce.getSnapshots({
maxResults: 10,
orderBy: 'creationTimestamp desc'
}).then(function(data) {
const snapshots = data[0];
if(snapshots) {
for(let i = 0; i < snapshots.length; i++) {
const snapshot = snapshots[i].metadata;
if(!listSnapshots.snapshotsHeaderPrinted) {
writer.write(',\n');
writer.write('SNAPSHOTS\n');
writer.write('projectId,snapshotName,snapshotCreationTimestamp,snapshotDiskSizeGb,snapshotStatus\n');
listSnapshots.snapshotsHeaderPrinted = true;
}
writer.write(projectId + ',' + snapshot.name + ',' + snapshot.creationTimestamp + ',' + snapshot.diskSizeGb + ',' + snapshot.status + '\n');
}
}
}).catch((e) => {
// generate audit even if some APIs are not available for certain projects
});
snapshotPromises.push(snapshotPromise);
}
return Promise.all(snapshotPromises);
}
function listFirewalls(projects) {
const firewallPromises = [];
for(let i = 0; i < projects.length; i++) {
const project = projects[i].metadata;
const projectId = project.projectId;
const gce = new Compute({
projectId: projectId
});
const firewallPromise = gce.getFirewalls({
}).then(function(data) {
const firewalls = data[0];
if(firewalls) {
for(let i = 0; i < firewalls.length; i++) {
const firewall = firewalls[i].metadata;
const firewallNetwork = firewall.network.split('/').pop();
let firewallAllow = '';
const allowed = firewall.allowed;
for(let i = 0; i < allowed.length; i++) {
if(i > 0) {
firewallAllow += ';';
}
const ipProtocol = allowed[i].IPProtocol
const ports = allowed[i].ports;
if(ports) {
for(let i = 0; ports && i < ports.length; i++) {
if(i > 0) {
firewallAllow += ';';
}
firewallAllow += ipProtocol + ':' + ports[i]
}
} else {
firewallAllow += allowed[i].IPProtocol;
}
}
if(!listFirewalls.firewallsHeaderPrinted) {
writer.write(',\n');
writer.write('FIREWALL RULES\n');
writer.write('projectId,firewallName,firewallNetwork,firewallDirection,firewallPriority,firewallAllow\n');
listFirewalls.firewallsHeaderPrinted = true;
}
writer.write(projectId + ',' + firewall.name + ',' + firewallNetwork + ',' + firewall.direction + ',' + firewall.priority + ',' + firewallAllow + '\n');
}
}
}).catch((e) => {
// generate audir even if some APIs are not available for certain projects
});
firewallPromises.push(firewallPromise);
}
return Promise.all(firewallPromises);
}
// Uploads a local file to a bucket
function uploadFileToBucket() {
return storage
.bucket(GCP_BUCKET)
.upload(tmpCsv)
.then(() => {
console.log(`${tmpCsv} uploaded to ${GCP_BUCKET}.`);
})
.catch(err => {
console.error('ERROR:', err);
});
}
// List IAMs for all projects. The promise based client API does not expose this so we are forced to wrap callbacks, yuck!
function listIams(projects) {
return new Promise(function(resolve,reject) {
const iamPromises = [];
authorize().then(function(authClient) {
for(let i = 0; i < projects.length; i++) {
const project = projects[i].metadata;
const projectId = project.projectId;
const request = {
resource_: 'projects/' + projectId,
auth: authClient,
};
const iamPromise = new Promise(function(resolve,reject) {
cloudResourceManager.organizations.getIamPolicy(request, function(err, response) {
if (err) {
console.error(err);
// Even if there is an error we resolve the promise to make sure we get as many IAMs as possible
// (Promise.all will return as soon as it gets a rejection)
resolve(err);
}
const userRoles = [];
const bindings = response.bindings;
for(let i = 0; i < bindings.length; i++) {
const role = bindings[i].role.split('/').pop();
const members = bindings[i].members;
for(let i = 0; i < members.length; i++) {
const user = members[i];
if(userRoles[user]) {
userRoles[user] += '; ' + role;
} else {
userRoles[user] = role;
}
}
}
for (const [key, value] of Object.entries(userRoles)) {
const account = key.split(':');
const userType = account[0];
const user = account[1];
const role = value;
if(!listIams.iamsHeaderPrinted) {
writer.write(',\n');
writer.write('IAM - USERS AND ROLES\n');
writer.write('projectId,userType,user,role\n');
listIams.iamsHeaderPrinted = true;
}
writer.write(projectId + ',' + userType + ',' + user + ',' + role + '\n');
}
resolve(response);
});
});
iamPromises.push(iamPromise);
}
Promise.all(iamPromises).then(function(results) {
resolve(results)
});
});
});
}
// authorize GCP API. Needed just because the promise based client API does not support IAM listing
function authorize() {
return new Promise(function(resolve,reject){
google.auth.getApplicationDefault(function(err, authClient) {
if (err) {
console.error('authentication failed: ', err);
}
if (authClient.createScopedRequired && authClient.createScopedRequired()) {
const scopes = ['https://www.googleapis.com/auth/cloud-platform'];
authClient = authClient.createScoped(scopes);
}
resolve(authClient);
});
});
}
// Emails a local file
function sendFileByEmail() {
const server = email.server.connect({
user: SMTP_USER,
password: SMTP_PASSWORD,
host: SMTP_HOST,
port: SMTP_PORT,
ssl: false,
tls: false,
});
const message = {
text: "GCP Inventory",
from: SMTP_FROM,
to: SMTP_TO,
subject: "GCP Inventory",
attachment: [
{path: tmpCsv, type: 'text/csv', name:csvFileName}
]
};
server.send(message, function(err, message) { if(err) console.log(err); });
console.log(`${tmpCsv} sent to ${SMTP_TO}.`);
}