opentelemetry-js/packages/opentelemetry-plugin-http/test/integrations/http-enable.test.ts

290 lines
9.4 KiB
TypeScript

/*!
* Copyright 2019, 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 { NoopLogger } from '@opentelemetry/core';
import { SpanKind, Span } from '@opentelemetry/types';
import * as assert from 'assert';
import * as http from 'http';
import { plugin } from '../../src/http';
import { assertSpan } from '../utils/assertSpan';
import { DummyPropagation } from '../utils/DummyPropagation';
import { httpRequest } from '../utils/httpRequest';
import * as url from 'url';
import * as utils from '../utils/utils';
import { NodeTracerRegistry } from '@opentelemetry/node';
import {
InMemorySpanExporter,
SimpleSpanProcessor,
} from '@opentelemetry/tracing';
import { HttpPluginConfig } from '../../src/types';
import { AttributeNames } from '../../src/enums/AttributeNames';
const protocol = 'http';
const serverPort = 32345;
const hostname = 'localhost';
const memoryExporter = new InMemorySpanExporter();
export const customAttributeFunction = (span: Span): void => {
span.setAttribute('span kind', SpanKind.CLIENT);
};
describe('HttpPlugin Integration tests', () => {
describe('enable()', () => {
before(function(done) {
// mandatory
if (process.env.CI) {
done();
return;
}
utils.checkInternet(isConnected => {
if (!isConnected) {
this.skip();
// don't disturb people
}
done();
});
});
const httpTextFormat = new DummyPropagation();
const logger = new NoopLogger();
const registry = new NodeTracerRegistry({
logger,
httpTextFormat,
});
registry.addSpanProcessor(new SimpleSpanProcessor(memoryExporter));
beforeEach(() => {
memoryExporter.reset();
});
before(() => {
const ignoreConfig = [
`${protocol}://${hostname}:${serverPort}/ignored/string`,
/\/ignored\/regexp$/i,
(url: string) => url.endsWith(`/ignored/function`),
];
const config: HttpPluginConfig = {
ignoreIncomingPaths: ignoreConfig,
ignoreOutgoingUrls: ignoreConfig,
applyCustomAttributesOnSpan: customAttributeFunction,
};
try {
plugin.disable();
} catch (e) {}
plugin.enable(http, registry, registry.logger, config);
});
after(() => {
plugin.disable();
});
it('should create a rootSpan for GET requests and add propagation headers', async () => {
let spans = memoryExporter.getFinishedSpans();
assert.strictEqual(spans.length, 0);
const result = await httpRequest.get(
`${protocol}://google.fr/?query=test`
);
spans = memoryExporter.getFinishedSpans();
const span = spans[0];
const validations = {
hostname: 'google.fr',
httpStatusCode: result.statusCode!,
httpMethod: 'GET',
pathname: '/',
path: '/?query=test',
resHeaders: result.resHeaders,
reqHeaders: result.reqHeaders,
component: plugin.component,
};
assert.strictEqual(spans.length, 1);
assert.ok(span.name.indexOf('GET /') >= 0);
assertSpan(span, SpanKind.CLIENT, validations);
});
it('should create a rootSpan for GET requests and add propagation headers if URL is used', async () => {
let spans = memoryExporter.getFinishedSpans();
assert.strictEqual(spans.length, 0);
const result = await httpRequest.get(
new url.URL(`${protocol}://google.fr/?query=test`)
);
spans = memoryExporter.getFinishedSpans();
const span = spans[0];
const validations = {
hostname: 'google.fr',
httpStatusCode: result.statusCode!,
httpMethod: 'GET',
pathname: '/',
path: '/?query=test',
resHeaders: result.resHeaders,
reqHeaders: result.reqHeaders,
component: plugin.component,
};
assert.strictEqual(spans.length, 1);
assert.ok(span.name.indexOf('GET /') >= 0);
assertSpan(span, SpanKind.CLIENT, validations);
});
it('should create a valid rootSpan with propagation headers for GET requests if URL and options are used', async () => {
let spans = memoryExporter.getFinishedSpans();
assert.strictEqual(spans.length, 0);
const result = await httpRequest.get(
new url.URL(`${protocol}://google.fr/?query=test`),
{ headers: { 'x-foo': 'foo' } }
);
spans = memoryExporter.getFinishedSpans();
const span = spans[0];
const validations = {
hostname: 'google.fr',
httpStatusCode: result.statusCode!,
httpMethod: 'GET',
pathname: '/',
path: '/?query=test',
resHeaders: result.resHeaders,
reqHeaders: result.reqHeaders,
component: plugin.component,
};
assert.strictEqual(spans.length, 1);
assert.ok(span.name.indexOf('GET /') >= 0);
assert.strictEqual(result.reqHeaders['x-foo'], 'foo');
assert.strictEqual(span.attributes[AttributeNames.HTTP_FLAVOR], '1.1');
assert.strictEqual(
span.attributes[AttributeNames.NET_TRANSPORT],
AttributeNames.IP_TCP
);
assertSpan(span, SpanKind.CLIENT, validations);
});
it('custom attributes should show up on client spans', async () => {
const result = await httpRequest.get(`${protocol}://google.fr/`);
const spans = memoryExporter.getFinishedSpans();
const span = spans[0];
const validations = {
hostname: 'google.fr',
httpStatusCode: result.statusCode!,
httpMethod: 'GET',
pathname: '/',
resHeaders: result.resHeaders,
reqHeaders: result.reqHeaders,
component: plugin.component,
};
assert.strictEqual(spans.length, 1);
assert.ok(span.name.indexOf('GET /') >= 0);
assert.strictEqual(span.attributes['span kind'], SpanKind.CLIENT);
assertSpan(span, SpanKind.CLIENT, validations);
});
it('should create a span for GET requests and add propagation headers with Expect headers', async () => {
let spans = memoryExporter.getFinishedSpans();
assert.strictEqual(spans.length, 0);
const options = Object.assign(
{ headers: { Expect: '100-continue' } },
url.parse(`${protocol}://google.fr/`)
);
const result = await httpRequest.get(options);
spans = memoryExporter.getFinishedSpans();
const span = spans[0];
const validations = {
hostname: 'google.fr',
httpStatusCode: 301,
httpMethod: 'GET',
pathname: '/',
resHeaders: result.resHeaders,
reqHeaders: result.reqHeaders,
component: plugin.component,
};
assert.strictEqual(spans.length, 1);
assert.ok(span.name.indexOf('GET /') >= 0);
try {
assertSpan(span, SpanKind.CLIENT, validations);
} catch (error) {
// temporary redirect is also correct
validations.httpStatusCode = 307;
assertSpan(span, SpanKind.CLIENT, validations);
}
});
for (const headers of [
{ Expect: '100-continue', 'user-agent': 'http-plugin-test' },
{ 'user-agent': 'http-plugin-test' },
]) {
it(`should create a span for GET requests and add propagation when using the following signature: get(url, options, callback) and following headers: ${JSON.stringify(
headers
)}`, done => {
let validations: {
hostname: string;
httpStatusCode: number;
httpMethod: string;
pathname: string;
reqHeaders: http.OutgoingHttpHeaders;
resHeaders: http.IncomingHttpHeaders;
};
let data = '';
const spans = memoryExporter.getFinishedSpans();
assert.strictEqual(spans.length, 0);
const options = { headers };
const req = http.get(
`${protocol}://google.fr/`,
options,
(resp: http.IncomingMessage) => {
const res = (resp as unknown) as http.IncomingMessage & {
req: http.IncomingMessage;
};
resp.on('data', chunk => {
data += chunk;
});
resp.on('end', () => {
validations = {
hostname: 'google.fr',
httpStatusCode: 301,
httpMethod: 'GET',
pathname: '/',
resHeaders: resp.headers,
/* tslint:disable:no-any */
reqHeaders: (res.req as any).getHeaders
? (res.req as any).getHeaders()
: (res.req as any)._headers,
/* tslint:enable:no-any */
};
});
}
);
req.on('close', () => {
const spans = memoryExporter.getFinishedSpans();
assert.strictEqual(spans.length, 1);
assert.ok(spans[0].name.indexOf('GET /') >= 0);
assert.ok(data);
assert.ok(validations.reqHeaders[DummyPropagation.TRACE_CONTEXT_KEY]);
assert.ok(validations.reqHeaders[DummyPropagation.SPAN_CONTEXT_KEY]);
done();
});
});
}
});
});