Client copying results annotations from previous runs lead to wrong results data

[khrm]

Expected Behavior

Pipelinerun control shouldn't allow results annotation to be ignored. It should ignore all annotations apart from the one for summaries.

Actual Behavior

Creating a pipelinerun with previous annotations leads to the result not being created. But records are updated with new taskruns.

Steps to Reproduce the Problem

1. Create a pipelinerun and wait for it to be finished irrespective of failure or success.
2. Check the annotations in the pipelinerun above. Copy those same annotations to the new pipelinerun and create it.
3. Above scenario will be observed.

How to fix this:

• Like we do for chains in tektoncd/pipeline controllers. Filtering the annotations that we don't require.
  or
• Creating a webhook in results which resolves this for us. Is it efficient? Will we require any other use-case of webhook in the future?

We shouldn't modify pipelinerun in our watcher reconcilers at all to avoid race conditions.

[khrm]

1. Solution is here: Fix filtering of Results Summary Annotation during Creation pipeline#6858

[tekton-robot]

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