Publish a response event from worker

Introduction

This section describes how to publish a new response event to rs-worker-manager with an AMQP message from worker after receiving a request from the rs-worker-manager microservice.

AMQP API

How to

The Regards AMQP API concept describes how AMQP interfaces must be handled to submit events or to subscribe to events.

Exchange

Responses have to be published to REGARDS RabbitMQ exchange:

Exchange (type topic)	Virtual host
regards.worker.manager.response	regards.multitenant.manager

Request content

Headers

Parameter	Type	Description
regards.tenant	String	Tenant name depends on REGARDS instance project configuration.
regards.request.id	String	Request identifier.

Example of headers of an response event message

"regards.tenant": "tenant"
"regards.request.id": "requestId"

request identifier

This identifier is the correlation identifier that is provided in submission requests from the rs-worker-manager microservice.

Body

{
  "status": "...",
  "messages": [
    "xxx",
    "yyy"
  ],
  "additionalHeaders": {
    "key1": "value1",
    "key2": "value2"
  },
  "content": "..."
}

Parameter	Type	Description
status	String	Response status (RUNNING, INVALID_CONTENT, ERROR, SUCCESS)
messages	List of String	Messages provided by the worker
additionalHeaders	List of key/value	Additional headers for this event
content	byte	The content supplied by the worker in response will be used in the case of a workflow of workers as the body of the message sent to the next worker.