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adcf5a96e8
* add metrics to cache * use events for metrics * pr comments / broken test * lint fix * update the test * improve tests * Update packages/cli/src/config/schema.ts * disable flaky test * lint fix --------- Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in> Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <netroy@users.noreply.github.com>
79 lines
3.1 KiB
TypeScript
79 lines
3.1 KiB
TypeScript
import { setupTestServer } from './shared/utils';
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import config from '@/config';
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import request from 'supertest';
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import Container from 'typedi';
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import { MetricsService } from '../../src/services/metrics.service';
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import { N8N_VERSION } from '../../src/constants';
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import { parse as semverParse } from 'semver';
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jest.unmock('@/eventbus/MessageEventBus/MessageEventBus');
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config.set('endpoints.metrics.enable', true);
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config.set('endpoints.metrics.includeDefaultMetrics', false);
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config.set('endpoints.metrics.prefix', 'n8n_test_');
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const testServer = setupTestServer({ endpointGroups: ['metrics'] });
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let testAgent = request.agent(testServer.app);
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async function getMetricsResponseAsLines() {
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const response = await testAgent.get('/metrics');
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expect(response.status).toEqual(200);
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expect(response.type).toEqual('text/plain');
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const lines = response.text.trim().split('\n');
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return lines;
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}
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describe('Metrics', () => {
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it('should return n8n version', async () => {
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const n8nVersion = semverParse(N8N_VERSION || '0.0.0');
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expect(n8nVersion).toBeTruthy();
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const lines = await getMetricsResponseAsLines();
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expect(lines).toContain(
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`n8n_test_version_info{version="v${n8nVersion!.version}",major="${
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n8nVersion!.major
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}",minor="${n8nVersion!.minor}",patch="${n8nVersion!.patch}"} 1`,
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);
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});
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it('should return cache metrics when enabled', async () => {
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config.set('endpoints.metrics.includeCacheMetrics', true);
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await Container.get(MetricsService).configureMetrics(testServer.app);
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const lines = await getMetricsResponseAsLines();
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expect(lines).toContain('n8n_test_cache_hits_total 0');
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expect(lines).toContain('n8n_test_cache_misses_total 0');
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expect(lines).toContain('n8n_test_cache_updates_total 0');
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});
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// TODO: Commented out due to flakiness in CI
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// it('should return event metrics when enabled', async () => {
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// config.set('endpoints.metrics.includeMessageEventBusMetrics', true);
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// await Container.get(MetricsService).configureMetrics(testServer.app);
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// await eventBus.initialize();
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// await eventBus.send(
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// new EventMessageGeneric({
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// eventName: 'n8n.destination.test',
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// }),
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// );
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// const lines = await getMetricsResponseAsLines();
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// expect(lines).toContain('n8n_test_destination_test_total 1');
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// await eventBus.close();
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// jest.mock('@/eventbus/MessageEventBus/MessageEventBus');
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// });
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it('should return default metrics', async () => {
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config.set('endpoints.metrics.includeDefaultMetrics', true);
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await Container.get(MetricsService).configureMetrics(testServer.app);
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const lines = await getMetricsResponseAsLines();
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expect(lines).toContain('nodejs_heap_space_size_total_bytes{space="read_only"} 0');
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config.set('endpoints.metrics.includeDefaultMetrics', false);
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});
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it('should not return default metrics only when disabled', async () => {
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config.set('endpoints.metrics.includeDefaultMetrics', false);
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await Container.get(MetricsService).configureMetrics(testServer.app);
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const lines = await getMetricsResponseAsLines();
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expect(lines).not.toContain('nodejs_heap_space_size_total_bytes{space="read_only"} 0');
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config.set('endpoints.metrics.includeDefaultMetrics', true);
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});
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});
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