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feat: Add global event bus (#4860)
* fix branch * fix deserialize, add filewriter * add catchAll eventGroup/Name * adding simple Redis sender and receiver to eventbus * remove native node threads * improve eventbus * refactor and simplify * more refactoring and syslog client * more refactor, improved endpoints and eventbus * remove local broker and receivers from mvp * destination de/serialization * create MessageEventBusDestinationEntity * db migrations, load destinations at startup * add delete destination endpoint * pnpm merge and circular import fix * delete destination fix * trigger log file shuffle after size reached * add environment variables for eventbus * reworking event messages * serialize to thread fix * some refactor and lint fixing * add emit to eventbus * cleanup and fix sending unsent * quicksave frontend trial * initial EventTree vue component * basic log streaming settings in vue * http request code merge * create destination settings modals * fix eventmessage options types * credentials are loaded * fix and clean up frontend code * move request code to axios * update lock file * merge fix * fix redis build * move destination interfaces into workflow pkg * revive sentry as destination * migration fixes and frontend cleanup * N8N-5777 / N8N-5789 N8N-5788 * N8N-5784 * N8N-5782 removed event levels * N8N-5790 sentry destination cleanup * N8N-5786 and refactoring * N8N-5809 and refactor/cleanup * UI fixes and anonymize renaming * N8N-5837 * N8N-5834 * fix no-items UI issues * remove card / settings label in modal * N8N-5842 fix * disable webhook auth for now and update ui * change sidebar to tabs * remove payload option * extend audit events with more user data * N8N-5853 and UI revert to sidebar * remove redis destination * N8N-5864 / N8N-5868 / N8N-5867 / N8N-5865 * ui and licensing fixes * add node events and info bubbles to frontend * ui wording changes * frontend tests * N8N-5896 and ee rename * improves backend tests * merge fix * fix backend test * make linter happy * remove unnecessary cfg / limit actions to owners * fix multiple sentry DSN and anon bug * eslint fix * more tests and fixes * merge fix * fix workflow audit events * remove 'n8n.workflow.execution.error' event * merge fix * lint fix * lint fix * review fixes * fix merge * prettier fixes * merge * review changes * use loggerproxy * remove catch from internal hook promises * fix tests * lint fix * include review PR changes * review changes * delete duplicate lines from a bad merge * decouple log-streaming UI options from public API * logstreaming -> log-streaming for consistency * do not make unnecessary api calls when log streaming is disabled * prevent sentryClient.close() from being called if init failed * fix the e2e test for log-streaming * review changes * cleanup * use `private` for one last private property * do not use node prefix package names.. just yet * remove unused import * fix the tests because there is a folder called `events`, tsc-alias is messing up all imports for native events module. https://github.com/justkey007/tsc-alias/issues/152 Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>
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packages/workflow/src/MessageEventBus.ts
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168
packages/workflow/src/MessageEventBus.ts
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import { INodeCredentials } from './Interfaces';
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// ===============================
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// General Enums And Interfaces
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// ===============================
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export enum EventMessageTypeNames {
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generic = '$$EventMessage',
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audit = '$$EventMessageAudit',
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user = '$$EventMessageUser',
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confirm = '$$EventMessageConfirm',
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workflow = '$$EventMessageWorkflow',
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node = '$$EventMessageNode',
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}
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export enum MessageEventBusDestinationTypeNames {
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abstract = '$$AbstractMessageEventBusDestination',
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webhook = '$$MessageEventBusDestinationWebhook',
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sentry = '$$MessageEventBusDestinationSentry',
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syslog = '$$MessageEventBusDestinationSyslog',
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}
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// ===============================
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// Event Destination Interfaces
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// ===============================
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export interface MessageEventBusDestinationOptions {
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__type?: MessageEventBusDestinationTypeNames;
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id?: string;
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label?: string;
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enabled?: boolean;
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subscribedEvents?: string[];
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credentials?: INodeCredentials;
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anonymizeAuditMessages?: boolean;
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}
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export interface MessageEventBusDestinationWebhookParameterItem {
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parameters: Array<{
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name: string;
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value: string | number | boolean | null | undefined;
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}>;
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}
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export interface MessageEventBusDestinationWebhookParameterOptions {
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batch?: {
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batchSize?: number;
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batchInterval?: number;
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};
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allowUnauthorizedCerts?: boolean;
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queryParameterArrays?: 'indices' | 'brackets' | 'repeat';
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redirect?: {
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followRedirects?: boolean;
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maxRedirects?: number;
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};
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response?: {
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response?: {
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fullResponse?: boolean;
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neverError?: boolean;
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responseFormat?: string;
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outputPropertyName?: string;
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};
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};
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proxy?: {
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protocol: 'https' | 'http';
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host: string;
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port: number;
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};
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timeout?: number;
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}
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export interface MessageEventBusDestinationWebhookOptions
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extends MessageEventBusDestinationOptions {
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url: string;
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responseCodeMustMatch?: boolean;
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expectedStatusCode?: number;
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method?: string;
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authentication?: 'predefinedCredentialType' | 'genericCredentialType' | 'none';
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sendQuery?: boolean;
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sendHeaders?: boolean;
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genericAuthType?: string;
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nodeCredentialType?: string;
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specifyHeaders?: string;
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specifyQuery?: string;
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jsonQuery?: string;
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jsonHeaders?: string;
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headerParameters?: MessageEventBusDestinationWebhookParameterItem;
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queryParameters?: MessageEventBusDestinationWebhookParameterItem;
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sendPayload?: boolean;
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options?: MessageEventBusDestinationWebhookParameterOptions;
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}
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export interface MessageEventBusDestinationSyslogOptions extends MessageEventBusDestinationOptions {
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expectedStatusCode?: number;
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host: string;
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port?: number;
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protocol?: 'udp' | 'tcp';
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facility?: number;
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app_name?: string;
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eol?: string;
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}
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export interface MessageEventBusDestinationSentryOptions extends MessageEventBusDestinationOptions {
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dsn: string;
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tracesSampleRate?: number;
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sendPayload?: boolean;
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}
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// ==================================
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// Event Destination Default Settings
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// ==================================
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export const defaultMessageEventBusDestinationOptions: MessageEventBusDestinationOptions = {
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__type: MessageEventBusDestinationTypeNames.abstract,
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id: '',
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label: 'New Event Destination',
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enabled: true,
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subscribedEvents: ['n8n.audit', 'n8n.workflow'],
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credentials: {},
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anonymizeAuditMessages: false,
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};
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export const defaultMessageEventBusDestinationSyslogOptions: MessageEventBusDestinationSyslogOptions =
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{
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...defaultMessageEventBusDestinationOptions,
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__type: MessageEventBusDestinationTypeNames.syslog,
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label: 'Syslog Server',
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expectedStatusCode: 200,
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host: '127.0.0.1',
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port: 514,
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protocol: 'tcp',
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facility: 16,
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app_name: 'n8n',
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eol: '\n',
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};
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export const defaultMessageEventBusDestinationWebhookOptions: MessageEventBusDestinationWebhookOptions =
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{
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...defaultMessageEventBusDestinationOptions,
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__type: MessageEventBusDestinationTypeNames.webhook,
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credentials: {},
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label: 'Webhook Endpoint',
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expectedStatusCode: 200,
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responseCodeMustMatch: false,
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url: 'https://',
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method: 'POST',
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authentication: 'none',
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sendQuery: false,
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sendHeaders: false,
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genericAuthType: '',
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nodeCredentialType: '',
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specifyHeaders: '',
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specifyQuery: '',
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jsonQuery: '',
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jsonHeaders: '',
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headerParameters: { parameters: [] },
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queryParameters: { parameters: [] },
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sendPayload: true,
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options: {},
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};
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export const defaultMessageEventBusDestinationSentryOptions: MessageEventBusDestinationSentryOptions =
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{
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...defaultMessageEventBusDestinationOptions,
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__type: MessageEventBusDestinationTypeNames.sentry,
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label: 'Sentry DSN',
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dsn: 'https://',
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sendPayload: true,
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};
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