mirror of
https://github.com/n8n-io/n8n.git
synced 2024-11-10 14:44:05 -08:00
52f740b9e8
* add typedi * convert ActiveWorkflowRunner into an injectable service * convert ExternalHooks into an injectable service * convert InternalHooks into an injectable service * convert LoadNodesAndCredentials into an injectable service * convert NodeTypes and CredentialTypes into an injectable service * convert ActiveExecutions into an injectable service * convert WaitTracker into an injectable service * convert Push into an injectable service * convert ActiveWebhooks and TestWebhooks into an injectable services * handle circular references, and log errors when a circular dependency is found
803 lines
27 KiB
TypeScript
803 lines
27 KiB
TypeScript
/* eslint-disable @typescript-eslint/no-unsafe-argument */
|
|
/* eslint-disable no-restricted-syntax */
|
|
/* eslint-disable no-console */
|
|
/* eslint-disable @typescript-eslint/no-non-null-assertion */
|
|
/* eslint-disable @typescript-eslint/no-unsafe-member-access */
|
|
/* eslint-disable @typescript-eslint/restrict-template-expressions */
|
|
/* eslint-disable @typescript-eslint/no-shadow */
|
|
/* eslint-disable @typescript-eslint/no-floating-promises */
|
|
/* eslint-disable @typescript-eslint/no-unsafe-assignment */
|
|
/* eslint-disable @typescript-eslint/prefer-optional-chain */
|
|
/* eslint-disable no-param-reassign */
|
|
/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
|
|
/* eslint-disable @typescript-eslint/no-unused-vars */
|
|
import type { IProcessMessage } from 'n8n-core';
|
|
import { BinaryDataManager, WorkflowExecute } from 'n8n-core';
|
|
|
|
import type {
|
|
ExecutionError,
|
|
IDeferredPromise,
|
|
IExecuteResponsePromiseData,
|
|
IRun,
|
|
WorkflowExecuteMode,
|
|
WorkflowHooks,
|
|
} from 'n8n-workflow';
|
|
import {
|
|
ErrorReporterProxy as ErrorReporter,
|
|
LoggerProxy as Logger,
|
|
Workflow,
|
|
WorkflowOperationError,
|
|
} from 'n8n-workflow';
|
|
|
|
import PCancelable from 'p-cancelable';
|
|
import { join as pathJoin } from 'path';
|
|
import { fork } from 'child_process';
|
|
|
|
import { ActiveExecutions } from '@/ActiveExecutions';
|
|
import config from '@/config';
|
|
import * as Db from '@/Db';
|
|
import { ExternalHooks } from '@/ExternalHooks';
|
|
import type {
|
|
IExecutionFlattedDb,
|
|
IProcessMessageDataHook,
|
|
IWorkflowExecutionDataProcess,
|
|
IWorkflowExecutionDataProcessWithExecution,
|
|
} from '@/Interfaces';
|
|
import { NodeTypes } from '@/NodeTypes';
|
|
import * as Queue from '@/Queue';
|
|
import * as ResponseHelper from '@/ResponseHelper';
|
|
import * as WebhookHelpers from '@/WebhookHelpers';
|
|
import * as WorkflowHelpers from '@/WorkflowHelpers';
|
|
import * as WorkflowExecuteAdditionalData from '@/WorkflowExecuteAdditionalData';
|
|
import { generateFailedExecutionFromError } from '@/WorkflowHelpers';
|
|
import { initErrorHandling } from '@/ErrorReporting';
|
|
import { PermissionChecker } from '@/UserManagement/PermissionChecker';
|
|
import { Push } from '@/push';
|
|
import { eventBus } from './eventbus';
|
|
import { recoverExecutionDataFromEventLogMessages } from './eventbus/MessageEventBus/recoverEvents';
|
|
import { Container } from 'typedi';
|
|
import { InternalHooks } from './InternalHooks';
|
|
|
|
export class WorkflowRunner {
|
|
activeExecutions: ActiveExecutions;
|
|
|
|
push: Push;
|
|
|
|
jobQueue: Queue.JobQueue;
|
|
|
|
constructor() {
|
|
this.push = Container.get(Push);
|
|
this.activeExecutions = Container.get(ActiveExecutions);
|
|
}
|
|
|
|
/**
|
|
* The process did send a hook message so execute the appropriate hook
|
|
*/
|
|
processHookMessage(workflowHooks: WorkflowHooks, hookData: IProcessMessageDataHook) {
|
|
// eslint-disable-next-line @typescript-eslint/no-floating-promises
|
|
workflowHooks.executeHookFunctions(hookData.hook, hookData.parameters);
|
|
}
|
|
|
|
/**
|
|
* The process did error
|
|
*/
|
|
async processError(
|
|
error: ExecutionError,
|
|
startedAt: Date,
|
|
executionMode: WorkflowExecuteMode,
|
|
executionId: string,
|
|
hooks?: WorkflowHooks,
|
|
) {
|
|
ErrorReporter.error(error);
|
|
|
|
const fullRunData: IRun = {
|
|
data: {
|
|
resultData: {
|
|
error: {
|
|
...error,
|
|
message: error.message,
|
|
stack: error.stack,
|
|
},
|
|
runData: {},
|
|
},
|
|
},
|
|
finished: false,
|
|
mode: executionMode,
|
|
startedAt,
|
|
stoppedAt: new Date(),
|
|
status: 'error',
|
|
};
|
|
|
|
// The following will attempt to recover runData from event logs
|
|
// Note that this will only work as long as the event logs actually contain the events from this workflow execution
|
|
// Since processError is run almost immediately after the workflow execution has failed, it is likely that the event logs
|
|
// does contain those messages.
|
|
try {
|
|
// Search for messages for this executionId in event logs
|
|
const eventLogMessages = await eventBus.getEventsByExecutionId(executionId);
|
|
// Attempt to recover more better runData from these messages (but don't update the execution db entry yet)
|
|
if (eventLogMessages.length > 0) {
|
|
const eventLogExecutionData = await recoverExecutionDataFromEventLogMessages(
|
|
executionId,
|
|
eventLogMessages,
|
|
false,
|
|
);
|
|
if (eventLogExecutionData) {
|
|
fullRunData.data.resultData.runData = eventLogExecutionData.resultData.runData;
|
|
fullRunData.status = 'crashed';
|
|
}
|
|
}
|
|
|
|
const executionFlattedData = await Db.collections.Execution.findOneBy({ id: executionId });
|
|
|
|
void Container.get(InternalHooks).onWorkflowCrashed(
|
|
executionId,
|
|
executionMode,
|
|
executionFlattedData?.workflowData,
|
|
);
|
|
} catch {
|
|
// Ignore errors
|
|
}
|
|
|
|
// Remove from active execution with empty data. That will
|
|
// set the execution to failed.
|
|
this.activeExecutions.remove(executionId, fullRunData);
|
|
|
|
if (hooks) {
|
|
await hooks.executeHookFunctions('workflowExecuteAfter', [fullRunData]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Run the workflow
|
|
*
|
|
* @param {boolean} [loadStaticData] If set will the static data be loaded from
|
|
* the workflow and added to input data
|
|
*/
|
|
async run(
|
|
data: IWorkflowExecutionDataProcess,
|
|
loadStaticData?: boolean,
|
|
realtime?: boolean,
|
|
executionId?: string,
|
|
responsePromise?: IDeferredPromise<IExecuteResponsePromiseData>,
|
|
): Promise<string> {
|
|
const executionsMode = config.getEnv('executions.mode');
|
|
const executionsProcess = config.getEnv('executions.process');
|
|
|
|
await initErrorHandling();
|
|
|
|
if (executionsMode === 'queue') {
|
|
const queue = await Queue.getInstance();
|
|
this.jobQueue = queue.getBullObjectInstance();
|
|
}
|
|
|
|
if (executionsMode === 'queue' && data.executionMode !== 'manual') {
|
|
// Do not run "manual" executions in bull because sending events to the
|
|
// frontend would not be possible
|
|
executionId = await this.enqueueExecution(
|
|
data,
|
|
loadStaticData,
|
|
realtime,
|
|
executionId,
|
|
responsePromise,
|
|
);
|
|
} else if (executionsProcess === 'main') {
|
|
executionId = await this.runMainProcess(data, loadStaticData, executionId, responsePromise);
|
|
} else {
|
|
executionId = await this.runSubprocess(data, loadStaticData, executionId, responsePromise);
|
|
}
|
|
|
|
void Container.get(InternalHooks).onWorkflowBeforeExecute(executionId, data);
|
|
|
|
const postExecutePromise = this.activeExecutions.getPostExecutePromise(executionId);
|
|
|
|
const externalHooks = Container.get(ExternalHooks);
|
|
postExecutePromise
|
|
.then(async (executionData) => {
|
|
void Container.get(InternalHooks).onWorkflowPostExecute(
|
|
executionId!,
|
|
data.workflowData,
|
|
executionData,
|
|
data.userId,
|
|
);
|
|
})
|
|
.catch((error) => {
|
|
ErrorReporter.error(error);
|
|
console.error('There was a problem running internal hook "onWorkflowPostExecute"', error);
|
|
});
|
|
|
|
if (externalHooks.exists('workflow.postExecute')) {
|
|
postExecutePromise
|
|
.then(async (executionData) => {
|
|
await externalHooks.run('workflow.postExecute', [
|
|
executionData,
|
|
data.workflowData,
|
|
executionId,
|
|
]);
|
|
})
|
|
.catch((error) => {
|
|
ErrorReporter.error(error);
|
|
console.error('There was a problem running hook "workflow.postExecute"', error);
|
|
});
|
|
}
|
|
|
|
return executionId;
|
|
}
|
|
|
|
/**
|
|
* Run the workflow in current process
|
|
*
|
|
* @param {boolean} [loadStaticData] If set will the static data be loaded from
|
|
* the workflow and added to input data
|
|
*/
|
|
async runMainProcess(
|
|
data: IWorkflowExecutionDataProcess,
|
|
loadStaticData?: boolean,
|
|
restartExecutionId?: string,
|
|
responsePromise?: IDeferredPromise<IExecuteResponsePromiseData>,
|
|
): Promise<string> {
|
|
const workflowId = data.workflowData.id;
|
|
if (loadStaticData === true && workflowId) {
|
|
data.workflowData.staticData = await WorkflowHelpers.getStaticDataById(workflowId);
|
|
}
|
|
|
|
const nodeTypes = Container.get(NodeTypes);
|
|
|
|
// Soft timeout to stop workflow execution after current running node
|
|
// Changes were made by adding the `workflowTimeout` to the `additionalData`
|
|
// So that the timeout will also work for executions with nested workflows.
|
|
let executionTimeout: NodeJS.Timeout;
|
|
let workflowTimeout = config.getEnv('executions.timeout'); // initialize with default
|
|
if (data.workflowData.settings && data.workflowData.settings.executionTimeout) {
|
|
workflowTimeout = data.workflowData.settings.executionTimeout as number; // preference on workflow setting
|
|
}
|
|
|
|
if (workflowTimeout > 0) {
|
|
workflowTimeout = Math.min(workflowTimeout, config.getEnv('executions.maxTimeout'));
|
|
}
|
|
|
|
const workflow = new Workflow({
|
|
id: workflowId,
|
|
name: data.workflowData.name,
|
|
nodes: data.workflowData.nodes,
|
|
connections: data.workflowData.connections,
|
|
active: data.workflowData.active,
|
|
nodeTypes,
|
|
staticData: data.workflowData.staticData,
|
|
settings: data.workflowData.settings,
|
|
});
|
|
const additionalData = await WorkflowExecuteAdditionalData.getBase(
|
|
data.userId,
|
|
undefined,
|
|
workflowTimeout <= 0 ? undefined : Date.now() + workflowTimeout * 1000,
|
|
);
|
|
|
|
// Register the active execution
|
|
const executionId = await this.activeExecutions.add(data, undefined, restartExecutionId);
|
|
additionalData.executionId = executionId;
|
|
|
|
Logger.verbose(
|
|
`Execution for workflow ${data.workflowData.name} was assigned id ${executionId}`,
|
|
{ executionId },
|
|
);
|
|
let workflowExecution: PCancelable<IRun>;
|
|
|
|
try {
|
|
Logger.verbose(
|
|
`Execution for workflow ${data.workflowData.name} was assigned id ${executionId}`,
|
|
{ executionId },
|
|
);
|
|
|
|
additionalData.hooks = WorkflowExecuteAdditionalData.getWorkflowHooksMain(
|
|
data,
|
|
executionId,
|
|
true,
|
|
);
|
|
|
|
try {
|
|
await PermissionChecker.check(workflow, data.userId);
|
|
} catch (error) {
|
|
ErrorReporter.error(error);
|
|
// Create a failed execution with the data for the node
|
|
// save it and abort execution
|
|
const failedExecution = generateFailedExecutionFromError(
|
|
data.executionMode,
|
|
error,
|
|
error.node,
|
|
);
|
|
additionalData.hooks
|
|
.executeHookFunctions('workflowExecuteAfter', [failedExecution])
|
|
.then(() => {
|
|
this.activeExecutions.remove(executionId, failedExecution);
|
|
});
|
|
return executionId;
|
|
}
|
|
|
|
additionalData.hooks.hookFunctions.sendResponse = [
|
|
async (response: IExecuteResponsePromiseData): Promise<void> => {
|
|
if (responsePromise) {
|
|
responsePromise.resolve(response);
|
|
}
|
|
},
|
|
];
|
|
|
|
additionalData.setExecutionStatus = WorkflowExecuteAdditionalData.setExecutionStatus.bind({
|
|
executionId,
|
|
});
|
|
|
|
additionalData.sendMessageToUI = WorkflowExecuteAdditionalData.sendMessageToUI.bind({
|
|
sessionId: data.sessionId,
|
|
});
|
|
|
|
if (data.executionData !== undefined) {
|
|
Logger.debug(`Execution ID ${executionId} had Execution data. Running with payload.`, {
|
|
executionId,
|
|
});
|
|
const workflowExecute = new WorkflowExecute(
|
|
additionalData,
|
|
data.executionMode,
|
|
data.executionData,
|
|
);
|
|
workflowExecution = workflowExecute.processRunExecutionData(workflow);
|
|
} else if (
|
|
data.runData === undefined ||
|
|
data.startNodes === undefined ||
|
|
data.startNodes.length === 0 ||
|
|
data.destinationNode === undefined
|
|
) {
|
|
Logger.debug(`Execution ID ${executionId} will run executing all nodes.`, { executionId });
|
|
// Execute all nodes
|
|
|
|
let startNode;
|
|
if (
|
|
data.startNodes?.length === 1 &&
|
|
Object.keys(data.pinData ?? {}).includes(data.startNodes[0])
|
|
) {
|
|
startNode = workflow.getNode(data.startNodes[0]) ?? undefined;
|
|
}
|
|
|
|
// Can execute without webhook so go on
|
|
const workflowExecute = new WorkflowExecute(additionalData, data.executionMode);
|
|
workflowExecution = workflowExecute.run(
|
|
workflow,
|
|
startNode,
|
|
data.destinationNode,
|
|
data.pinData,
|
|
);
|
|
} else {
|
|
Logger.debug(`Execution ID ${executionId} is a partial execution.`, { executionId });
|
|
// Execute only the nodes between start and destination nodes
|
|
const workflowExecute = new WorkflowExecute(additionalData, data.executionMode);
|
|
workflowExecution = workflowExecute.runPartialWorkflow(
|
|
workflow,
|
|
data.runData,
|
|
data.startNodes,
|
|
data.destinationNode,
|
|
data.pinData,
|
|
);
|
|
}
|
|
|
|
this.activeExecutions.attachWorkflowExecution(executionId, workflowExecution);
|
|
|
|
if (workflowTimeout > 0) {
|
|
const timeout = Math.min(workflowTimeout, config.getEnv('executions.maxTimeout')) * 1000; // as seconds
|
|
executionTimeout = setTimeout(() => {
|
|
this.activeExecutions.stopExecution(executionId, 'timeout');
|
|
}, timeout);
|
|
}
|
|
|
|
workflowExecution
|
|
.then((fullRunData) => {
|
|
clearTimeout(executionTimeout);
|
|
if (workflowExecution.isCanceled) {
|
|
fullRunData.finished = false;
|
|
}
|
|
fullRunData.status = this.activeExecutions.getStatus(executionId);
|
|
this.activeExecutions.remove(executionId, fullRunData);
|
|
})
|
|
.catch((error) => {
|
|
this.processError(
|
|
error,
|
|
new Date(),
|
|
data.executionMode,
|
|
executionId,
|
|
additionalData.hooks,
|
|
);
|
|
});
|
|
} catch (error) {
|
|
await this.processError(
|
|
error,
|
|
new Date(),
|
|
data.executionMode,
|
|
executionId,
|
|
additionalData.hooks,
|
|
);
|
|
|
|
throw error;
|
|
}
|
|
|
|
return executionId;
|
|
}
|
|
|
|
async enqueueExecution(
|
|
data: IWorkflowExecutionDataProcess,
|
|
loadStaticData?: boolean,
|
|
realtime?: boolean,
|
|
restartExecutionId?: string,
|
|
responsePromise?: IDeferredPromise<IExecuteResponsePromiseData>,
|
|
): Promise<string> {
|
|
// TODO: If "loadStaticData" is set to true it has to load data new on worker
|
|
|
|
// Register the active execution
|
|
const executionId = await this.activeExecutions.add(data, undefined, restartExecutionId);
|
|
if (responsePromise) {
|
|
this.activeExecutions.attachResponsePromise(executionId, responsePromise);
|
|
}
|
|
|
|
const jobData: Queue.JobData = {
|
|
executionId,
|
|
loadStaticData: !!loadStaticData,
|
|
};
|
|
|
|
let priority = 100;
|
|
if (realtime === true) {
|
|
// Jobs which require a direct response get a higher priority
|
|
priority = 50;
|
|
}
|
|
// TODO: For realtime jobs should probably also not do retry or not retry if they are older than x seconds.
|
|
// Check if they get retried by default and how often.
|
|
const jobOptions = {
|
|
priority,
|
|
removeOnComplete: true,
|
|
removeOnFail: true,
|
|
};
|
|
let job: Queue.Job;
|
|
let hooks: WorkflowHooks;
|
|
try {
|
|
job = await this.jobQueue.add(jobData, jobOptions);
|
|
|
|
console.log(`Started with job ID: ${job.id.toString()} (Execution ID: ${executionId})`);
|
|
|
|
hooks = WorkflowExecuteAdditionalData.getWorkflowHooksWorkerMain(
|
|
data.executionMode,
|
|
executionId,
|
|
data.workflowData,
|
|
{ retryOf: data.retryOf ? data.retryOf.toString() : undefined },
|
|
);
|
|
|
|
// Normally also workflow should be supplied here but as it only used for sending
|
|
// data to editor-UI is not needed.
|
|
hooks.executeHookFunctions('workflowExecuteBefore', []);
|
|
} catch (error) {
|
|
// We use "getWorkflowHooksWorkerExecuter" as "getWorkflowHooksWorkerMain" does not contain the
|
|
// "workflowExecuteAfter" which we require.
|
|
const hooks = WorkflowExecuteAdditionalData.getWorkflowHooksWorkerExecuter(
|
|
data.executionMode,
|
|
executionId,
|
|
data.workflowData,
|
|
{ retryOf: data.retryOf ? data.retryOf.toString() : undefined },
|
|
);
|
|
await this.processError(error, new Date(), data.executionMode, executionId, hooks);
|
|
throw error;
|
|
}
|
|
|
|
const workflowExecution: PCancelable<IRun> = new PCancelable(
|
|
async (resolve, reject, onCancel) => {
|
|
onCancel.shouldReject = false;
|
|
onCancel(async () => {
|
|
const queue = await Queue.getInstance();
|
|
await queue.stopJob(job);
|
|
|
|
// We use "getWorkflowHooksWorkerExecuter" as "getWorkflowHooksWorkerMain" does not contain the
|
|
// "workflowExecuteAfter" which we require.
|
|
const hooksWorker = WorkflowExecuteAdditionalData.getWorkflowHooksWorkerExecuter(
|
|
data.executionMode,
|
|
executionId,
|
|
data.workflowData,
|
|
{ retryOf: data.retryOf ? data.retryOf.toString() : undefined },
|
|
);
|
|
|
|
const error = new WorkflowOperationError('Workflow-Execution has been canceled!');
|
|
await this.processError(error, new Date(), data.executionMode, executionId, hooksWorker);
|
|
|
|
reject(error);
|
|
});
|
|
|
|
const jobData: Promise<Queue.JobResponse> = job.finished();
|
|
|
|
const queueRecoveryInterval = config.getEnv('queue.bull.queueRecoveryInterval');
|
|
|
|
const racingPromises: Array<Promise<Queue.JobResponse | object>> = [jobData];
|
|
|
|
let clearWatchdogInterval;
|
|
if (queueRecoveryInterval > 0) {
|
|
/** ***********************************************
|
|
* Long explanation about what this solves: *
|
|
* This only happens in a very specific scenario *
|
|
* when Redis crashes and recovers shortly *
|
|
* but during this time, some execution(s) *
|
|
* finished. The end result is that the main *
|
|
* process will wait indefinitely and never *
|
|
* get a response. This adds an active polling to*
|
|
* the queue that allows us to identify that the *
|
|
* execution finished and get information from *
|
|
* the database. *
|
|
************************************************ */
|
|
let watchDogInterval: NodeJS.Timeout | undefined;
|
|
|
|
const watchDog: Promise<object> = new Promise((res) => {
|
|
watchDogInterval = setInterval(async () => {
|
|
const currentJob = await this.jobQueue.getJob(job.id);
|
|
// When null means job is finished (not found in queue)
|
|
if (currentJob === null) {
|
|
// Mimic worker's success message
|
|
res({ success: true });
|
|
}
|
|
}, queueRecoveryInterval * 1000);
|
|
});
|
|
|
|
racingPromises.push(watchDog);
|
|
|
|
clearWatchdogInterval = () => {
|
|
if (watchDogInterval) {
|
|
clearInterval(watchDogInterval);
|
|
watchDogInterval = undefined;
|
|
}
|
|
};
|
|
}
|
|
|
|
try {
|
|
await Promise.race(racingPromises);
|
|
if (clearWatchdogInterval !== undefined) {
|
|
clearWatchdogInterval();
|
|
}
|
|
} catch (error) {
|
|
ErrorReporter.error(error);
|
|
// We use "getWorkflowHooksWorkerExecuter" as "getWorkflowHooksWorkerMain" does not contain the
|
|
// "workflowExecuteAfter" which we require.
|
|
const hooks = WorkflowExecuteAdditionalData.getWorkflowHooksWorkerExecuter(
|
|
data.executionMode,
|
|
executionId,
|
|
data.workflowData,
|
|
{ retryOf: data.retryOf ? data.retryOf.toString() : undefined },
|
|
);
|
|
Logger.error(`Problem with execution ${executionId}: ${error.message}. Aborting.`);
|
|
if (clearWatchdogInterval !== undefined) {
|
|
clearWatchdogInterval();
|
|
}
|
|
await this.processError(error, new Date(), data.executionMode, executionId, hooks);
|
|
|
|
reject(error);
|
|
}
|
|
|
|
const executionDb = (await Db.collections.Execution.findOneBy({
|
|
id: executionId,
|
|
})) as IExecutionFlattedDb;
|
|
const fullExecutionData = ResponseHelper.unflattenExecutionData(executionDb);
|
|
const runData = {
|
|
data: fullExecutionData.data,
|
|
finished: fullExecutionData.finished,
|
|
mode: fullExecutionData.mode,
|
|
startedAt: fullExecutionData.startedAt,
|
|
stoppedAt: fullExecutionData.stoppedAt,
|
|
} as IRun;
|
|
|
|
this.activeExecutions.remove(executionId, runData);
|
|
// Normally also static data should be supplied here but as it only used for sending
|
|
// data to editor-UI is not needed.
|
|
hooks.executeHookFunctions('workflowExecuteAfter', [runData]);
|
|
try {
|
|
// Check if this execution data has to be removed from database
|
|
// based on workflow settings.
|
|
let saveDataErrorExecution = config.getEnv('executions.saveDataOnError') as string;
|
|
let saveDataSuccessExecution = config.getEnv('executions.saveDataOnSuccess') as string;
|
|
if (data.workflowData.settings !== undefined) {
|
|
saveDataErrorExecution =
|
|
(data.workflowData.settings.saveDataErrorExecution as string) ||
|
|
saveDataErrorExecution;
|
|
saveDataSuccessExecution =
|
|
(data.workflowData.settings.saveDataSuccessExecution as string) ||
|
|
saveDataSuccessExecution;
|
|
}
|
|
|
|
const workflowDidSucceed = !runData.data.resultData.error;
|
|
if (
|
|
(workflowDidSucceed && saveDataSuccessExecution === 'none') ||
|
|
(!workflowDidSucceed && saveDataErrorExecution === 'none')
|
|
) {
|
|
await Db.collections.Execution.delete(executionId);
|
|
await BinaryDataManager.getInstance().markDataForDeletionByExecutionId(executionId);
|
|
}
|
|
// eslint-disable-next-line id-denylist
|
|
} catch (err) {
|
|
// We don't want errors here to crash n8n. Just log and proceed.
|
|
console.log('Error removing saved execution from database. More details: ', err);
|
|
}
|
|
|
|
resolve(runData);
|
|
},
|
|
);
|
|
|
|
workflowExecution.catch(() => {
|
|
// We `reject` this promise if the execution fails
|
|
// but the error is handled already by processError
|
|
// So we're just preventing crashes here.
|
|
});
|
|
|
|
this.activeExecutions.attachWorkflowExecution(executionId, workflowExecution);
|
|
return executionId;
|
|
}
|
|
|
|
/**
|
|
* Run the workflow
|
|
*
|
|
* @param {boolean} [loadStaticData] If set will the static data be loaded from
|
|
* the workflow and added to input data
|
|
*/
|
|
async runSubprocess(
|
|
data: IWorkflowExecutionDataProcess,
|
|
loadStaticData?: boolean,
|
|
restartExecutionId?: string,
|
|
responsePromise?: IDeferredPromise<IExecuteResponsePromiseData>,
|
|
): Promise<string> {
|
|
const workflowId = data.workflowData.id;
|
|
let startedAt = new Date();
|
|
const subprocess = fork(pathJoin(__dirname, 'WorkflowRunnerProcess.js'));
|
|
|
|
if (loadStaticData === true && workflowId) {
|
|
data.workflowData.staticData = await WorkflowHelpers.getStaticDataById(workflowId);
|
|
}
|
|
|
|
// Register the active execution
|
|
const executionId = await this.activeExecutions.add(data, subprocess, restartExecutionId);
|
|
|
|
(data as unknown as IWorkflowExecutionDataProcessWithExecution).executionId = executionId;
|
|
|
|
const workflowHooks = WorkflowExecuteAdditionalData.getWorkflowHooksMain(data, executionId);
|
|
|
|
try {
|
|
// Send all data to subprocess it needs to run the workflow
|
|
subprocess.send({ type: 'startWorkflow', data } as IProcessMessage);
|
|
} catch (error) {
|
|
await this.processError(error, new Date(), data.executionMode, executionId, workflowHooks);
|
|
return executionId;
|
|
}
|
|
|
|
// Start timeout for the execution
|
|
let executionTimeout: NodeJS.Timeout;
|
|
let workflowTimeout = config.getEnv('executions.timeout'); // initialize with default
|
|
if (data.workflowData.settings && data.workflowData.settings.executionTimeout) {
|
|
workflowTimeout = data.workflowData.settings.executionTimeout as number; // preference on workflow setting
|
|
}
|
|
|
|
const processTimeoutFunction = (timeout: number) => {
|
|
this.activeExecutions.stopExecution(executionId, 'timeout');
|
|
executionTimeout = setTimeout(() => subprocess.kill(), Math.max(timeout * 0.2, 5000)); // minimum 5 seconds
|
|
};
|
|
|
|
if (workflowTimeout > 0) {
|
|
workflowTimeout = Math.min(workflowTimeout, config.getEnv('executions.maxTimeout')) * 1000; // as seconds
|
|
// Start timeout already now but give process at least 5 seconds to start.
|
|
// Without it could would it be possible that the workflow executions times out before it even got started if
|
|
// the timeout time is very short as the process start time can be quite long.
|
|
executionTimeout = setTimeout(
|
|
processTimeoutFunction,
|
|
Math.max(5000, workflowTimeout),
|
|
workflowTimeout,
|
|
);
|
|
}
|
|
|
|
// Create a list of child spawned executions
|
|
// If after the child process exits we have
|
|
// outstanding executions, we remove them
|
|
const childExecutionIds: string[] = [];
|
|
|
|
// Listen to data from the subprocess
|
|
subprocess.on('message', async (message: IProcessMessage) => {
|
|
Logger.debug(
|
|
`Received child process message of type ${message.type} for execution ID ${executionId}.`,
|
|
{ executionId },
|
|
);
|
|
if (message.type === 'start') {
|
|
// Now that the execution actually started set the timeout again so that does not time out to early.
|
|
startedAt = new Date();
|
|
if (workflowTimeout > 0) {
|
|
clearTimeout(executionTimeout);
|
|
executionTimeout = setTimeout(processTimeoutFunction, workflowTimeout, workflowTimeout);
|
|
}
|
|
} else if (message.type === 'end') {
|
|
clearTimeout(executionTimeout);
|
|
this.activeExecutions.remove(executionId, message.data.runData);
|
|
} else if (message.type === 'sendResponse') {
|
|
if (responsePromise) {
|
|
responsePromise.resolve(WebhookHelpers.decodeWebhookResponse(message.data.response));
|
|
}
|
|
} else if (message.type === 'sendMessageToUI') {
|
|
// eslint-disable-next-line @typescript-eslint/no-unsafe-call
|
|
WorkflowExecuteAdditionalData.sendMessageToUI.bind({ sessionId: data.sessionId })(
|
|
message.data.source,
|
|
message.data.message,
|
|
);
|
|
} else if (message.type === 'processError') {
|
|
clearTimeout(executionTimeout);
|
|
const executionError = message.data.executionError as ExecutionError;
|
|
await this.processError(
|
|
executionError,
|
|
startedAt,
|
|
data.executionMode,
|
|
executionId,
|
|
workflowHooks,
|
|
);
|
|
} else if (message.type === 'processHook') {
|
|
this.processHookMessage(workflowHooks, message.data as IProcessMessageDataHook);
|
|
} else if (message.type === 'timeout') {
|
|
// Execution timed out and its process has been terminated
|
|
const timeoutError = new WorkflowOperationError('Workflow execution timed out!');
|
|
|
|
// No need to add hook here as the subprocess takes care of calling the hooks
|
|
this.processError(timeoutError, startedAt, data.executionMode, executionId);
|
|
} else if (message.type === 'startExecution') {
|
|
const executionId = await this.activeExecutions.add(message.data.runData);
|
|
childExecutionIds.push(executionId);
|
|
subprocess.send({ type: 'executionId', data: { executionId } } as IProcessMessage);
|
|
} else if (message.type === 'finishExecution') {
|
|
const executionIdIndex = childExecutionIds.indexOf(message.data.executionId);
|
|
if (executionIdIndex !== -1) {
|
|
childExecutionIds.splice(executionIdIndex, 1);
|
|
}
|
|
|
|
// eslint-disable-next-line @typescript-eslint/await-thenable
|
|
this.activeExecutions.remove(message.data.executionId, message.data.result);
|
|
}
|
|
});
|
|
|
|
// Also get informed when the processes does exit especially when it did crash or timed out
|
|
subprocess.on('exit', async (code, signal) => {
|
|
if (signal === 'SIGTERM') {
|
|
Logger.debug(`Subprocess for execution ID ${executionId} timed out.`, { executionId });
|
|
// Execution timed out and its process has been terminated
|
|
const timeoutError = new WorkflowOperationError('Workflow execution timed out!');
|
|
|
|
await this.processError(
|
|
timeoutError,
|
|
startedAt,
|
|
data.executionMode,
|
|
executionId,
|
|
workflowHooks,
|
|
);
|
|
} else if (code !== 0) {
|
|
Logger.debug(
|
|
`Subprocess for execution ID ${executionId} finished with error code ${code}.`,
|
|
{ executionId },
|
|
);
|
|
// Process did exit with error code, so something went wrong.
|
|
const executionError = new WorkflowOperationError(
|
|
'Workflow execution process crashed for an unknown reason!',
|
|
);
|
|
|
|
await this.processError(
|
|
executionError,
|
|
startedAt,
|
|
data.executionMode,
|
|
executionId,
|
|
workflowHooks,
|
|
);
|
|
}
|
|
|
|
for (const executionId of childExecutionIds) {
|
|
// When the child process exits, if we still have
|
|
// pending child executions, we mark them as finished
|
|
// They will display as unknown to the user
|
|
// Instead of pending forever as executing when it
|
|
// actually isn't anymore.
|
|
// eslint-disable-next-line @typescript-eslint/await-thenable, no-await-in-loop
|
|
this.activeExecutions.remove(executionId);
|
|
}
|
|
|
|
clearTimeout(executionTimeout);
|
|
});
|
|
|
|
return executionId;
|
|
}
|
|
}
|