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tektoncd
Feature: EventListener response customization
Would be great to be able customize the response the EventListener returns to invokers.
Currently it always returns JSON like this:
{"eventListener":"my-listener-v1","namespace":"tekton-pipelines","eventID":"hg6ps"}
Use case
When integrating w/ interactive tools like Slack slash commands, the response returned by the EventListener is directly consumed by the caller (slack) and displayed to the user as feedback. It generally looks like this:
Would be good to be able to bind some CEL filters to an EventListenerResponder that would qualify it as the thing that is responsible for formulating both a status code AND content type + content to be returned to the caller. Maybe the mechanism could work similar to how the webhook interceptors work.
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Issues go stale after 90d of inactivity.
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/lifecycle stale
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Stale issues rot after 30d of inactivity.
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/lifecycle rotten
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@tekton-robot: Closing this issue.
In response to this:
Rotten issues close after 30d of inactivity. Reopen the issue with
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@bitsofinfo: Reopened this issue.
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/reopen
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Rotten issues close after 30d of inactivity.
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@tekton-robot: Closing this issue.
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@bitsofinfo: Reopened this issue.
In response to this:
/reopen
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This would definitely be a helpful feature for us when integrating with slack as well.
Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale with a justification.
Stale issues rot after an additional 30d of inactivity and eventually close.
If this issue is safe to close now please do so with /close with a justification.
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/lifecycle stale
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Stale issues rot after 30d of inactivity.
Mark the issue as fresh with /remove-lifecycle rotten with a justification.
Rotten issues close after an additional 30d of inactivity.
If this issue is safe to close now please do so with /close with a justification.
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/lifecycle rotten
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Rotten issues close after 30d of inactivity.
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If this issue should be exempted, mark the issue as frozen with /lifecycle frozen with a justification.
/close
Send feedback to tektoncd/plumbing.
@tekton-robot: Closing this issue.
In response to this:
Rotten issues close after 30d of inactivity. Reopen the issue with
/reopenwith a justification. Mark the issue as fresh with/remove-lifecycle rottenwith a justification. If this issue should be exempted, mark the issue as frozen with/lifecycle frozenwith a justification./close
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Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.
Any word on this? Another use case is for hooking up the EventListener to a Knative Eventing Broker. The Broker requires a response to be either empty or a single valid CloudEvent. The current response from EventListener causes the Broker to retry the event up to the limit, resulting in multiple pipeline runs per event. Only solution has been to disable retries altogether in the knative Trigger delivery spec 😞
This seems to be handled as part of https://github.com/tektoncd/triggers/pull/1548 which is released in Triggers v0.24
This is related to customizing EL's response. ATM, we do this only for CloudEvent done as part of #1439