Redis¶

Redis event-source subscribes to Redis publisher and helps sensor trigger workloads.

Event Structure¶

The structure of an event dispatched by the event-source over the eventbus looks like following,

    {
        "context": {
          "type": "type_of_event_source",
          "specversion": "cloud_events_version",
          "source": "name_of_the_event_source",
          "id": "unique_event_id",
          "time": "event_time",
          "datacontenttype": "type_of_data",
          "subject": "name_of_the_configuration_within_event_source"
        },
        "data": {
           "channel": "Subscription channel",
           "pattern": "Message pattern",
           "body": "message body" // string
        }
    }

Specification¶

Redis event-source specification is available here.

Setup¶

Follow the documentation to set up Redis database.

Create the event source by running the following command.

kubectl apply -n argo-events -f https://raw.githubusercontent.com/argoproj/argo-events/stable/examples/event-sources/redis.yaml

Create the sensor by running the following command.

kubectl apply -n argo-events -f https://raw.githubusercontent.com/argoproj/argo-events/stable/examples/sensors/redis.yaml

Log into redis pod using kubectl.

kubectl -n argo-events exec -it <redis-pod-name> -c <redis-container-name> -- /bin/bash

Run redis-cli and publish a message on FOO channel.
```
PUBLISH FOO hello
```
Once a message is published, an argo workflow will be triggered. Run argo list to find the workflow.

Troubleshoot¶

Please read the FAQ.