467 lines
11 KiB
JSON
467 lines
11 KiB
JSON
{
|
||
"nodes": [
|
||
{
|
||
"id": "0d911b91-bb9a-4177-8cd5-12ddddf1bc61",
|
||
"name": "When clicking ‘Test workflow’",
|
||
"type": "n8n-nodes-base.manualTrigger",
|
||
"position": [
|
||
580,
|
||
405
|
||
],
|
||
"parameters": {},
|
||
"typeVersion": 1
|
||
},
|
||
{
|
||
"id": "d13f78f7-4093-435f-8b38-722f4a5c7a1f",
|
||
"name": "Loop Over Items",
|
||
"type": "n8n-nodes-base.splitInBatches",
|
||
"position": [
|
||
1020,
|
||
405
|
||
],
|
||
"parameters": {
|
||
"options": {}
|
||
},
|
||
"typeVersion": 3
|
||
},
|
||
{
|
||
"id": "97d26220-a85f-4c40-b97c-b36f2d235776",
|
||
"name": "Webhook Callback Wait",
|
||
"type": "n8n-nodes-base.wait",
|
||
"position": [
|
||
1720,
|
||
445
|
||
],
|
||
"webhookId": "5cd058b4-48c8-449a-9c09-959a5b8a2b48",
|
||
"parameters": {
|
||
"resume": "webhook",
|
||
"options": {},
|
||
"httpMethod": "POST",
|
||
"responseMode": "responseNode"
|
||
},
|
||
"typeVersion": 1.1
|
||
},
|
||
{
|
||
"id": "ee02d5cb-8151-4b24-a630-77a677b1434a",
|
||
"name": "Update finishedSet",
|
||
"type": "n8n-nodes-base.code",
|
||
"position": [
|
||
1940,
|
||
445
|
||
],
|
||
"parameters": {
|
||
"jsCode": "let json = $('If All Finished').first().json;\nif (!json.finishedSet) json.finishedSet = [];\nlet finishedItemId = $('Webhook Callback Wait').item.json.body.finishedItemId;\nif (!json.finishedSet[finishedItemId]) json.finishedSet.push(finishedItemId);\nreturn [json];"
|
||
},
|
||
"typeVersion": 2
|
||
},
|
||
{
|
||
"id": "09f1cf3f-9e32-43f2-9e57-d7a33970dac4",
|
||
"name": "Initialize finishedSet",
|
||
"type": "n8n-nodes-base.set",
|
||
"position": [
|
||
1240,
|
||
285
|
||
],
|
||
"parameters": {
|
||
"options": {},
|
||
"assignments": {
|
||
"assignments": [
|
||
{
|
||
"id": "193ab8f1-0e23-491c-914e-b8b26b0160f7",
|
||
"name": "finishedSet",
|
||
"type": "array",
|
||
"value": "[]"
|
||
}
|
||
]
|
||
}
|
||
},
|
||
"executeOnce": true,
|
||
"typeVersion": 3.4
|
||
},
|
||
{
|
||
"id": "105d8f64-8ade-4e02-8722-587a35f2b046",
|
||
"name": "Simulate Multi-Item for Parallel Processing",
|
||
"type": "n8n-nodes-base.code",
|
||
"position": [
|
||
780,
|
||
405
|
||
],
|
||
"parameters": {
|
||
"jsCode": "return [\n {requestId: 'req4567'},\n {requestId: 'req8765'},\n {requestId: 'req1234'}\n];"
|
||
},
|
||
"typeVersion": 2
|
||
},
|
||
{
|
||
"id": "c5f72fa0-693e-4134-910f-8fd0767861d1",
|
||
"name": "If All Finished",
|
||
"type": "n8n-nodes-base.if",
|
||
"position": [
|
||
1460,
|
||
285
|
||
],
|
||
"parameters": {
|
||
"options": {},
|
||
"conditions": {
|
||
"options": {
|
||
"version": 1,
|
||
"leftValue": "",
|
||
"caseSensitive": true,
|
||
"typeValidation": "strict"
|
||
},
|
||
"combinator": "and",
|
||
"conditions": [
|
||
{
|
||
"id": "385c3149-3623-4dd2-9022-770c32f82421",
|
||
"operator": {
|
||
"type": "number",
|
||
"operation": "gte"
|
||
},
|
||
"leftValue": "={{ $json.finishedSet.length }}",
|
||
"rightValue": "={{ $('Simulate Multi-Item for Parallel Processing').all().length }}"
|
||
}
|
||
]
|
||
}
|
||
},
|
||
"typeVersion": 2
|
||
},
|
||
{
|
||
"id": "20d16393-8573-4cc1-adc0-034f0f1def70",
|
||
"name": "Start Sub-Workflow via Webhook",
|
||
"type": "n8n-nodes-base.httpRequest",
|
||
"position": [
|
||
1180,
|
||
645
|
||
],
|
||
"parameters": {
|
||
"url": "={{ $env.WEBHOOK_URL }}/webhook/parallel-subworkflow-target",
|
||
"method": "POST",
|
||
"options": {},
|
||
"sendBody": true,
|
||
"sendHeaders": true,
|
||
"bodyParameters": {
|
||
"parameters": [
|
||
{
|
||
"name": "requestItemId",
|
||
"value": "={{ $json.requestId }}"
|
||
}
|
||
]
|
||
},
|
||
"headerParameters": {
|
||
"parameters": [
|
||
{
|
||
"name": "callbackurl",
|
||
"value": "={{ $execution.resumeUrl }}"
|
||
}
|
||
]
|
||
}
|
||
},
|
||
"typeVersion": 4.2
|
||
},
|
||
{
|
||
"id": "4ad48520-39b3-4016-a6a9-dd789c079e08",
|
||
"name": "Acknowledge Finished",
|
||
"type": "n8n-nodes-base.respondToWebhook",
|
||
"position": [
|
||
1780,
|
||
665
|
||
],
|
||
"parameters": {
|
||
"options": {}
|
||
},
|
||
"typeVersion": 1.1
|
||
},
|
||
{
|
||
"id": "ad1018a1-3b9d-4613-b23f-136763a514ba",
|
||
"name": "Sticky Note",
|
||
"type": "n8n-nodes-base.stickyNote",
|
||
"position": [
|
||
720,
|
||
605
|
||
],
|
||
"parameters": {
|
||
"color": 3,
|
||
"width": 390,
|
||
"height": 109,
|
||
"content": "### Start Multiple Sub-Workflows Asynchronously\n* Note: Callback/Webhook \"internal\" Base-URL should be configured in the n8n instance to reference the k8s service name and internal port."
|
||
},
|
||
"typeVersion": 1
|
||
},
|
||
{
|
||
"id": "f4171d39-8bfe-4e3a-9b94-87d969abda2d",
|
||
"name": "Sticky Note1",
|
||
"type": "n8n-nodes-base.stickyNote",
|
||
"position": [
|
||
1740,
|
||
365
|
||
],
|
||
"parameters": {
|
||
"color": 3,
|
||
"width": 283,
|
||
"height": 80,
|
||
"content": "### Pseudo-Synchronously Wait for All Sub-Workflows to finish"
|
||
},
|
||
"typeVersion": 1
|
||
},
|
||
{
|
||
"id": "98657cd3-968c-4d66-aea0-4e3180f8508f",
|
||
"name": "Continue Workflow (noop)",
|
||
"type": "n8n-nodes-base.noOp",
|
||
"position": [
|
||
1780,
|
||
205
|
||
],
|
||
"parameters": {},
|
||
"typeVersion": 1
|
||
},
|
||
{
|
||
"id": "5a9518ea-456e-4975-bf6f-71bf9ed0a6e1",
|
||
"name": "Sticky Note3",
|
||
"type": "n8n-nodes-base.stickyNote",
|
||
"position": [
|
||
540,
|
||
180
|
||
],
|
||
"parameters": {
|
||
"width": 1577.931818181817,
|
||
"height": 684.1818181818179,
|
||
"content": "## Main/Parent Workflow\n* This starts multiple executions of the sub-workflow in parallel and then loops until they all report back."
|
||
},
|
||
"typeVersion": 1
|
||
},
|
||
{
|
||
"id": "13ad3423-c3bf-4144-b76d-03daa8877bed",
|
||
"name": "Sticky Note2",
|
||
"type": "n8n-nodes-base.stickyNote",
|
||
"position": [
|
||
560,
|
||
900
|
||
],
|
||
"parameters": {
|
||
"width": 1477.331211260329,
|
||
"height": 189.2194473140495,
|
||
"content": "### Sub-Workflow\n**Cut/Paste this into a separate workflow, and activate it!!!**"
|
||
},
|
||
"typeVersion": 1
|
||
},
|
||
{
|
||
"id": "e92865b0-b3e9-4195-ae16-5c199875a04b",
|
||
"name": "Wait",
|
||
"type": "n8n-nodes-base.wait",
|
||
"position": [
|
||
1440,
|
||
940
|
||
],
|
||
"webhookId": "2d62e5c2-ad4a-4e90-a075-7ca5212e015a",
|
||
"parameters": {},
|
||
"typeVersion": 1.1
|
||
},
|
||
{
|
||
"id": "710456c8-394d-4c45-8d8e-16e0a4095dc3",
|
||
"name": "Call Resume on Parent Workflow",
|
||
"type": "n8n-nodes-base.httpRequest",
|
||
"notes": "The callback resumes the parent workflow and reports which item finished. There could be a race condition if the parent workflow was just resumed by a different sub-workflow but hasn't entered a webhook-wait again yet. The delay and retry mitigates for the possibility that multiple subtasks complete and call back at once.",
|
||
"position": [
|
||
1660,
|
||
940
|
||
],
|
||
"parameters": {
|
||
"url": "={{ $('Webhook').item.json.headers.callbackurl }}",
|
||
"method": "POST",
|
||
"options": {},
|
||
"sendBody": true,
|
||
"bodyParameters": {
|
||
"parameters": [
|
||
{
|
||
"name": "finishedItemId",
|
||
"value": "={{ $('Webhook').item.json.body.requestItemId }}"
|
||
}
|
||
]
|
||
}
|
||
},
|
||
"retryOnFail": true,
|
||
"typeVersion": 4.2,
|
||
"waitBetweenTries": 3000
|
||
},
|
||
{
|
||
"id": "2ee41b1a-89f0-4d2f-b2ff-74aef5baaa70",
|
||
"name": "Respond to Webhook",
|
||
"type": "n8n-nodes-base.respondToWebhook",
|
||
"position": [
|
||
1220,
|
||
940
|
||
],
|
||
"parameters": {
|
||
"options": {},
|
||
"respondWith": "json",
|
||
"responseBody": "={{ \n{\n \"finishedItemId\": $json.body.requestItemId\n}\n}}"
|
||
},
|
||
"typeVersion": 1.1
|
||
},
|
||
{
|
||
"id": "04445a9a-61f9-468e-8589-3eeb403f2553",
|
||
"name": "Webhook",
|
||
"type": "n8n-nodes-base.webhook",
|
||
"position": [
|
||
1000,
|
||
940
|
||
],
|
||
"webhookId": "14776b45-77d7-4220-808f-2d0a38bec4de",
|
||
"parameters": {
|
||
"path": "parallel-subworkflow-target",
|
||
"options": {},
|
||
"httpMethod": "POST",
|
||
"responseMode": "responseNode"
|
||
},
|
||
"typeVersion": 2
|
||
}
|
||
],
|
||
"pinData": {},
|
||
"connections": {
|
||
"Wait": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Call Resume on Parent Workflow",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Webhook": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Respond to Webhook",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"If All Finished": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Continue Workflow (noop)",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
],
|
||
[
|
||
{
|
||
"node": "Webhook Callback Wait",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Loop Over Items": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Initialize finishedSet",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
],
|
||
[
|
||
{
|
||
"node": "Start Sub-Workflow via Webhook",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Respond to Webhook": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Wait",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Update finishedSet": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Acknowledge Finished",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Acknowledge Finished": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "If All Finished",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Webhook Callback Wait": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Update finishedSet",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Initialize finishedSet": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "If All Finished",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Start Sub-Workflow via Webhook": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Loop Over Items",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"When clicking ‘Test workflow’": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Simulate Multi-Item for Parallel Processing",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Simulate Multi-Item for Parallel Processing": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Loop Over Items",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
}
|
||
}
|
||
} |