[release-v1.3.x] fix: allow finalizer updates on completed TaskRun and PipelineRuns #9025
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Similar to issue tektoncd#8824 for PipelineRuns, the webhook was denying finalizer updates on completed TaskRuns. The validation webhook was blocking all updates when TaskRun.IsDone() returned true, preventing tools like Tekton Chains from clearing finalizers. To ensure we don't have old obj default drift, we are adding a fast path check for spec equality and are normalizing the old spec with current defaults before comparison. Then we allow updates when only finalizers differ and reject spec changes. This mirrors the fix applied to PipelineRun validation.
fixes issue tektoncd#8824 where webhook denied finalizer updates on completed PipelineRuns. The validation webhook was blocking all updates when PipelineRun.IsDone() returned true, preventing from clearing finalizers to make sure that we don't have old obj default drift we are adding a fast path check for spec equality and are normalizing the old spec with current defaults before comparison. Then we allow updates when only finalizers differ and reject spec changes Signed-off-by: Vibhav Bobade <vibhav.bobde@gmail.com>
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added strings package import to v1/pipelinerun_validation_test.go and v1beta1/pipelinerun_validation_test.go replaced all t.Context() calls with context.Background() in test files (this method doesn't exist in the testing package) removed TestPipelineRunTaskRunSpecTimeout_Validate from both v1 and v1beta1 test files as it referenced a non-existent Timeout field in PipelineTaskRunSpec
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The following is the coverage report on the affected files.
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Changes
Manual cherry pick of #9011
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/kind <type>. Valid types are bug, cleanup, design, documentation, feature, flake, misc, question, tepRelease Notes