/
sdk.test.ts
424 lines (375 loc) · 13.9 KB
/
sdk.test.ts
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
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
/*
* Copyright The OpenTelemetry 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
*
* https://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.
*/
import {
context,
propagation,
ProxyTracerProvider,
trace,
diag,
DiagLogLevel,
} from '@opentelemetry/api';
import { metrics, NoopMeterProvider } from '@opentelemetry/api-metrics';
import {
AsyncHooksContextManager,
AsyncLocalStorageContextManager,
} from '@opentelemetry/context-async-hooks';
import { CompositePropagator } from '@opentelemetry/core';
import { ConsoleMetricExporter, MeterProvider } from '@opentelemetry/sdk-metrics-base';
import { NodeTracerProvider } from '@opentelemetry/sdk-trace-node';
import { awsEc2Detector } from '@opentelemetry/resource-detector-aws';
import { resetIsAvailableCache } from '@opentelemetry/resource-detector-gcp';
import { Resource } from '@opentelemetry/resources';
import {
assertCloudResource,
assertHostResource,
assertServiceResource,
} from './util/resource-assertions';
import {
ConsoleSpanExporter,
SimpleSpanProcessor,
} from '@opentelemetry/sdk-trace-base';
import * as assert from 'assert';
import {
BASE_PATH,
HEADER_NAME,
HEADER_VALUE,
HOST_ADDRESS,
SECONDARY_HOST_ADDRESS,
} from 'gcp-metadata';
import * as nock from 'nock';
import * as semver from 'semver';
import * as Sinon from 'sinon';
import { NodeSDK } from '../src';
const HEADERS = {
[HEADER_NAME.toLowerCase()]: HEADER_VALUE,
};
const INSTANCE_PATH = BASE_PATH + '/instance';
const INSTANCE_ID_PATH = BASE_PATH + '/instance/id';
const PROJECT_ID_PATH = BASE_PATH + '/project/project-id';
const ZONE_PATH = BASE_PATH + '/instance/zone';
const CLUSTER_NAME_PATH = BASE_PATH + '/instance/attributes/cluster-name';
const AWS_HOST = 'http://' + awsEc2Detector.AWS_IDMS_ENDPOINT;
const AWS_TOKEN_PATH = awsEc2Detector.AWS_INSTANCE_TOKEN_DOCUMENT_PATH;
const AWS_IDENTITY_PATH = awsEc2Detector.AWS_INSTANCE_IDENTITY_DOCUMENT_PATH;
const AWS_HOST_PATH = awsEc2Detector.AWS_INSTANCE_HOST_DOCUMENT_PATH;
const AWS_METADATA_TTL_HEADER = awsEc2Detector.AWS_METADATA_TTL_HEADER;
const AWS_METADATA_TOKEN_HEADER = awsEc2Detector.AWS_METADATA_TOKEN_HEADER;
const mockedTokenResponse = 'my-token';
const mockedIdentityResponse = {
instanceId: 'my-instance-id',
instanceType: 'my-instance-type',
accountId: 'my-account-id',
region: 'my-region',
availabilityZone: 'my-zone',
};
const mockedHostResponse = 'my-hostname';
const DefaultContextManager = semver.gte(process.version, '14.8.0')
? AsyncLocalStorageContextManager
: AsyncHooksContextManager;
describe('Node SDK', () => {
let ctxManager: any;
let propagator: any;
let delegate: any;
before(() => {
nock.disableNetConnect();
});
beforeEach(() => {
context.disable();
trace.disable();
propagation.disable();
metrics.disable();
ctxManager = context['_getContextManager']();
propagator = propagation['_getGlobalPropagator']();
delegate = (trace.getTracerProvider() as ProxyTracerProvider).getDelegate();
});
describe('Basic Registration', () => {
it('should not register any unconfigured SDK components', async () => {
const sdk = new NodeSDK({
autoDetectResources: false,
});
await sdk.start();
assert.strictEqual(context['_getContextManager'](), ctxManager, 'context manager should not change');
assert.strictEqual(propagation['_getGlobalPropagator'](), propagator, 'propagator should not change');
assert.strictEqual((trace.getTracerProvider() as ProxyTracerProvider).getDelegate(), delegate, 'tracer provider should not have changed');
assert.ok(metrics.getMeterProvider() instanceof NoopMeterProvider);
});
it('should register a tracer provider if an exporter is provided', async () => {
const sdk = new NodeSDK({
traceExporter: new ConsoleSpanExporter(),
autoDetectResources: false,
});
await sdk.start();
assert.ok(metrics.getMeterProvider() instanceof NoopMeterProvider);
assert.ok(
context['_getContextManager']() instanceof DefaultContextManager
);
assert.ok(
propagation['_getGlobalPropagator']() instanceof CompositePropagator
);
const apiTracerProvider = trace.getTracerProvider() as ProxyTracerProvider;
assert.ok(apiTracerProvider.getDelegate() instanceof NodeTracerProvider);
});
it('should register a tracer provider if a span processor is provided', async () => {
const exporter = new ConsoleSpanExporter();
const spanProcessor = new SimpleSpanProcessor(exporter);
const sdk = new NodeSDK({
spanProcessor,
autoDetectResources: false,
});
await sdk.start();
assert.ok(metrics.getMeterProvider() instanceof NoopMeterProvider);
assert.ok(
context['_getContextManager']() instanceof DefaultContextManager
);
assert.ok(
propagation['_getGlobalPropagator']() instanceof CompositePropagator
);
const apiTracerProvider = trace.getTracerProvider() as ProxyTracerProvider;
assert.ok(apiTracerProvider.getDelegate() instanceof NodeTracerProvider);
});
it('should register a meter provider if an exporter is provided', async () => {
const exporter = new ConsoleMetricExporter();
const sdk = new NodeSDK({
metricExporter: exporter,
autoDetectResources: false,
});
await sdk.start();
assert.strictEqual(context['_getContextManager'](), ctxManager, 'context manager should not change');
assert.strictEqual(propagation['_getGlobalPropagator'](), propagator, 'propagator should not change');
assert.strictEqual((trace.getTracerProvider() as ProxyTracerProvider).getDelegate(), delegate, 'tracer provider should not have changed');
assert.ok(metrics.getMeterProvider() instanceof MeterProvider);
});
});
describe('detectResources', async () => {
beforeEach(() => {
nock.disableNetConnect();
process.env.OTEL_RESOURCE_ATTRIBUTES =
'service.instance.id=627cc493,service.name=my-service,service.namespace=default,service.version=0.0.1';
});
afterEach(() => {
nock.cleanAll();
nock.enableNetConnect();
delete process.env.OTEL_RESOURCE_ATTRIBUTES;
});
// GCP detector only works in 10+
(semver.satisfies(process.version, '>=10') ? describe : describe.skip)(
'in GCP environment',
() => {
after(() => {
resetIsAvailableCache();
});
it('returns a merged resource', async () => {
const sdk = new NodeSDK({
autoDetectResources: true,
});
const gcpScope = nock(HOST_ADDRESS)
.get(INSTANCE_PATH)
.reply(200, {}, HEADERS)
.get(INSTANCE_ID_PATH)
.reply(200, () => 452003179927758, HEADERS)
.get(PROJECT_ID_PATH)
.reply(200, () => 'my-project-id', HEADERS)
.get(ZONE_PATH)
.reply(200, () => 'project/zone/my-zone', HEADERS)
.get(CLUSTER_NAME_PATH)
.reply(404);
const gcpSecondaryScope = nock(SECONDARY_HOST_ADDRESS)
.get(INSTANCE_PATH)
.reply(200, {}, HEADERS);
const awsScope = nock(AWS_HOST)
.persist()
.put(AWS_TOKEN_PATH)
.matchHeader(AWS_METADATA_TTL_HEADER, '60')
.replyWithError({ code: 'ENOTFOUND' });
await sdk.detectResources();
const resource = sdk['_resource'];
awsScope.done();
gcpSecondaryScope.done();
gcpScope.done();
assertCloudResource(resource, {
provider: 'gcp',
accountId: 'my-project-id',
zone: 'my-zone',
});
assertHostResource(resource, { id: '452003179927758' });
assertServiceResource(resource, {
instanceId: '627cc493',
name: 'my-service',
namespace: 'default',
version: '0.0.1',
});
});
}
);
describe('in AWS environment', () => {
it('returns a merged resource', async () => {
const sdk = new NodeSDK({
autoDetectResources: true,
});
const awsScope = nock(AWS_HOST)
.persist()
.put(AWS_TOKEN_PATH)
.matchHeader(AWS_METADATA_TTL_HEADER, '60')
.reply(200, () => mockedTokenResponse)
.get(AWS_IDENTITY_PATH)
.matchHeader(AWS_METADATA_TOKEN_HEADER, mockedTokenResponse)
.reply(200, () => mockedIdentityResponse)
.get(AWS_HOST_PATH)
.matchHeader(AWS_METADATA_TOKEN_HEADER, mockedTokenResponse)
.reply(200, () => mockedHostResponse);
await sdk.detectResources();
const resource: Resource = sdk['_resource'];
awsScope.done();
assertCloudResource(resource, {
provider: 'aws',
accountId: 'my-account-id',
region: 'my-region',
zone: 'my-zone',
});
assertHostResource(resource, {
id: 'my-instance-id',
hostType: 'my-instance-type',
name: 'my-hostname',
hostName: 'my-hostname',
});
assertServiceResource(resource, {
instanceId: '627cc493',
name: 'my-service',
namespace: 'default',
version: '0.0.1',
});
});
});
describe('in no environment', () => {
it('should return empty resource', async () => {
const scope = nock(AWS_HOST).put(AWS_TOKEN_PATH).replyWithError({
code: 'ENOTFOUND',
});
const sdk = new NodeSDK({
autoDetectResources: true,
});
await sdk.detectResources({
detectors: [awsEc2Detector],
});
const resource: Resource = sdk['_resource'];
assert.ok(resource);
assert.deepStrictEqual(resource, Resource.empty());
scope.done();
});
});
describe('with a buggy detector', () => {
it('returns a merged resource', async () => {
const sdk = new NodeSDK({
autoDetectResources: true,
});
const stub = Sinon.stub(awsEc2Detector, 'detect').throws();
await sdk.detectResources();
const resource = sdk['_resource'];
assertServiceResource(resource, {
instanceId: '627cc493',
name: 'my-service',
namespace: 'default',
version: '0.0.1',
});
stub.restore();
});
});
describe('with a debug logger', () => {
// Local functions to test if a mocked method is ever called with a specific argument or regex matching for an argument.
// Needed because of race condition with parallel detectors.
const callArgsContains = (
mockedFunction: sinon.SinonSpy,
arg: any
): boolean => {
return mockedFunction.getCalls().some(call => {
return call.args.some(callarg => arg === callarg);
});
};
const callArgsMatches = (
mockedFunction: sinon.SinonSpy,
regex: RegExp
): boolean => {
return mockedFunction.getCalls().some(call => {
return call.args.some(callArgs => regex.test(callArgs.toString()));
});
};
it('prints detected resources and debug messages to the logger', async () => {
const sdk = new NodeSDK({
autoDetectResources: true,
});
// This test depends on the env detector to be functioning as intended
const mockedLoggerMethod = Sinon.fake();
const mockedVerboseLoggerMethod = Sinon.fake();
diag.setLogger(
{
debug: mockedLoggerMethod,
verbose: mockedVerboseLoggerMethod,
} as any,
DiagLogLevel.VERBOSE
);
await sdk.detectResources();
// Test for AWS and GCP Detector failure
assert.ok(
callArgsContains(
mockedLoggerMethod,
'GcpDetector failed: GCP Metadata unavailable.'
)
);
assert.ok(
callArgsContains(
mockedLoggerMethod,
'AwsEc2Detector failed: Nock: Disallowed net connect for "169.254.169.254:80/latest/api/token"'
)
);
// Test that the Env Detector successfully found its resource and populated it with the right values.
assert.ok(
callArgsContains(mockedLoggerMethod, 'EnvDetector found resource.')
);
// Regex formatting accounts for whitespace variations in util.inspect output over different node versions
assert.ok(
callArgsMatches(
mockedVerboseLoggerMethod,
/{\s+'service\.instance\.id':\s+'627cc493',\s+'service\.name':\s+'my-service',\s+'service\.namespace':\s+'default',\s+'service\.version':\s+'0\.0\.1'\s+}\s*/
)
);
});
describe('with a faulty environment variable', () => {
beforeEach(() => {
process.env.OTEL_RESOURCE_ATTRIBUTES = 'bad=~attribute';
});
it('prints correct error messages when EnvDetector has an invalid variable', async () => {
const sdk = new NodeSDK({
autoDetectResources: true,
});
const mockedLoggerMethod = Sinon.fake();
diag.setLogger(
{
debug: mockedLoggerMethod,
} as any,
DiagLogLevel.DEBUG
);
await sdk.detectResources();
assert.ok(
callArgsContains(
mockedLoggerMethod,
'EnvDetector failed: Attribute value should be a ASCII string with a length not exceed 255 characters.'
)
);
});
});
});
});
});