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feat(core): Add Prometheus metrics for n8n events and api invocations (experimental) (#5177)

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* create prometheus metrics from events

* feat(core): Add more Prometheus metrics (experimental) (#5187)

* refactor(core): Add Prometheus labels to relevant metrics

* feat(core): Add more Prometheus metrics (experimental)

* add 'v' prefix to value of version label

Co-authored-by: Cornelius Suermann <cornelius@n8n.io>
This commit is contained in:
Michael Auerswald
2023-01-19 12:11:31 +01:00
committed by GitHub
parent 4ebf40c7a2
commit 9b032d68bc
11 changed files with 257 additions and 24 deletions
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9
packages/cli/src/eventbus/MessageEventBus/MessageEventBus.ts
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@@ -6,7 +6,10 @@ import { MessageEventBusLogWriter } from '../MessageEventBusWriter/MessageEventB
import EventEmitter from 'events';
import config from '@/config';
import * as Db from '@/Db';
import { messageEventBusDestinationFromDb } from '../MessageEventBusDestination/Helpers.ee';
import {
messageEventBusDestinationFromDb,
incrementPrometheusMetric,
} from '../MessageEventBusDestination/Helpers.ee';
import uniqby from 'lodash.uniqby';
import { EventMessageConfirmSource } from '../EventMessageClasses/EventMessageConfirm';
import {
@@ -205,6 +208,10 @@ class MessageEventBus extends EventEmitter {
}
private async emitMessage(msg: EventMessageTypes) {
if (config.getEnv('endpoints.metrics.enable')) {
await incrementPrometheusMetric(msg);
}
// generic emit for external modules to capture events
// this is for internal use ONLY and not for use with custom destinations!
this.emit('message', msg);