Add workflow runner (#6458)
- add workflow runner module
- add an endpoint to trigger a workflow via api
- improve error handling for serverless functions
## Testing
- create 2 serverless functions
- create a workflow
- create this workflow Version
```
{
"type": "MANUAL",
"input": {"b": "bb"},
"nextAction": {
"name": "step_1",
"displayName": "Code",
"type": "CODE",
"valid": true,
"settings": {
"serverlessFunctionId": "Serverless function 1 Id",
"errorHandlingOptions": {
"retryOnFailure": {
"value": false
},
"continueOnFailure": {
"value": false
}
}
},
"nextAction": {
"name": "step_1",
"displayName": "Code",
"type": "CODE",
"valid": true,
"settings": {
"serverlessFunctionId": "Serverless function 1 Id",
"errorHandlingOptions": {
"retryOnFailure": {
"value": false
},
"continueOnFailure": {
"value": false
}
}
},
"nextAction": {
"name": "step_1",
"displayName": "Code",
"type": "CODE",
"valid": true,
"settings": {
"serverlessFunctionId": "Serverless function 2 Id",
"errorHandlingOptions": {
"retryOnFailure": {
"value": false
},
"continueOnFailure": {
"value": false
}
}
}
}
}
}
}
`
``
- call
```
mutation Trigger {
triggerWorkflow(workflowVersionId: "WORKFLOW_VERSION_ID") {
result
}
}
```
- try when errors are injected in serverless function