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https://github.com/camunda-community-hub/zeebe-cloudevents-router
Zeebe CloudEvents Router
https://github.com/camunda-community-hub/zeebe-cloudevents-router
camunda camunda-8 camunda-platform-8 cloudevents knative zeebe
Last synced: about 2 months ago
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Zeebe CloudEvents Router
- Host: GitHub
- URL: https://github.com/camunda-community-hub/zeebe-cloudevents-router
- Owner: camunda-community-hub
- License: apache-2.0
- Created: 2020-05-05T13:43:31.000Z (over 4 years ago)
- Default Branch: main
- Last Pushed: 2024-08-28T21:53:50.000Z (5 months ago)
- Last Synced: 2024-08-29T21:56:09.312Z (5 months ago)
- Topics: camunda, camunda-8, camunda-platform-8, cloudevents, knative, zeebe
- Language: Java
- Homepage:
- Size: 248 KB
- Stars: 15
- Watchers: 5
- Forks: 5
- Open Issues: 7
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
Awesome Lists containing this project
README
[](https://github.com/camunda-community-hub/community) [](https://github.com/Camunda-Community-Hub/community/blob/main/extension-lifecycle.md#incubating-) 
# Zeebe Knative / CloudEvents Worker
This project focuses on providing a bridge between [Zeebe](http://zeebe.io/) + [BPMN](https://www.bpmn.org/) to [Knative](https://knative.dev/) and [CloudEvents](https://cloudevents.io/) to provide CloudEvents orchestration using Zeebe Workflows.
# Service Task Properties
Properties
- HOST
- TYPE
- MODE:
- EMIT_ONLY:
- WAIT_FOR_CLOUD_EVENT:
- WAIT_TYPE: Cloud Event Type to wait
The worker has two modes:
- EMIT ONLY: It will emit a CloudEvent and complete the Job
- WAIT FOR CLOUD EVENT: It will wait to receive CloudEvent with a specific Type which will be correlated by the workflow and job key to complete the Service Task.
# Endpoints
The worker exposes HTTP Endpoints to receive CloudEvents that can be propagated to workflows.
- / POST - > Receive CloudEvent via HTTP that will map to a Job
- /message POST -> Receive a CloudEvent that will be forwarded as a BPMN Message for an Intermediate Catch Event
You can always access the Open API UI here: http://localhost:8080/swagger-ui.html
# Examples
## EMIT and WAIT
> zbctl deploy emit-wait.bpmn --insecure
>
> zbctl create instance EMIT_WAIT --insecure
>
> curl -X POST localhost:8080/ -H "Content-Type: application/json" -H "Ce-Id: 536808d3" -H "Ce-Type: " -H "Ce-Source: curl" -H "Ce-Subject: ::" -d '{"name":"salaboy"}' -v
>
## EMIT and CONTINUE:
> zbctl deploy emit-and-continue.bpmn --insecure
> zbctl create instance EMIT_AND_CONTINUE --variables "{\"myVarId\" : \"123\"}" --insecure
> curl -X POST localhost:8080/message -H "Content-Type: application/json" -H "Ce-Id: 536808d3" -H "Ce-Type: CloudEvent Response" -H "Ce-Source: curl" -H "CorrelationKey: 123" -d '{"name":"salaboy"}' -v
## TICKETS
Deploy workflow
> zbctl deploy tickets.bpmn --insecure
Register Tickets.Purchase event to Start Workflow
> curl -X POST http://localhost:8080/workflows -H "Content-Type: application/json" -d '{"cloudEventType" : "Tickets.Purchase", "processDefinitionKey" : "2251799813690282"}'
Send Tickets.Purchase to start a workflow
> curl -X POST http://localhost:8080/workflow -H "Content-Type: application/json" -H "Ce-Id: 536808d33" -H "Ce-Type: Tickets.Purchase" -H "Ce-Source: curl" -d '{"sessionId":"5" }'
# Secrets and Secrets Managers
This project can be used with `External Secrets` to fetch credentials from external services from cloud provider specific Secret Managers.
In order to install `External Secrets` you can follow the project setup instructions:
[https://github.com/godaddy/kubernetes-external-secrets](https://github.com/godaddy/kubernetes-external-secrets)
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