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TEP-0059: Remove scope-when-expressions-to-task feature flag #4715

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merged 1 commit into from
Mar 29, 2022

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@jerop jerop commented Mar 29, 2022

Changes

In TEP-0007: Conditions Beta, we introduced when expressions to guard execution of Tasks in Pipelines. To align with Conditions, we set scope of when expressions to the guarded Task and its dependent Tasks.

In TEP-0059: Skipping Strategies, we proposed changing the scope of when expressions to the guarded Task only. This was implemented in #4085. We provided a feature flag, scope-when-expressions-to-task, to support migration. It defaulted to false for 9 months per our Beta API compatibility policy, meaning that we continued to guard the Task and its dependent Tasks. Then in #4580, we flipped the flag to true to guard the Task only by default.

In this change, we remove the scope-when-expressions-to-task flag and complete the migration.

Closes #4461.

Submitter Checklist

As the author of this PR, please check off the items in this checklist:

  • Docs included if any changes are user facing
  • Tests included if any functionality added or changed
  • Follows the commit message standard
  • Meets the Tekton contributor standards (including functionality, content, code)
  • Release notes block below has been filled in or deleted (only if no user facing changes)

Release Notes

The `scope-when-expressions-to-task` feature flag has been removed. 

@tekton-robot tekton-robot added release-note Denotes a PR that will be considered when it comes time to generate release notes. do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. labels Mar 29, 2022
@tekton-robot tekton-robot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label Mar 29, 2022
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The following is the coverage report on the affected files.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File Old Coverage New Coverage Delta
pkg/apis/config/feature_flags.go 88.5% 88.0% -0.5

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The following is the coverage report on the affected files.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File Old Coverage New Coverage Delta
pkg/apis/config/feature_flags.go 88.5% 88.0% -0.5

@jerop jerop marked this pull request as ready for review March 29, 2022 11:07
@tekton-robot tekton-robot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Mar 29, 2022
@jerop jerop added this to the Pipelines v0.35 milestone Mar 29, 2022
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/lgtm

pkg/reconciler/pipelinerun/pipelinerun_test.go Outdated Show resolved Hide resolved
@tekton-robot tekton-robot added the lgtm Indicates that a PR is ready to be merged. label Mar 29, 2022
In [TEP-0007: Conditions Beta][tep-0007], we introduced `when` expressions to guard
execution of `Tasks` in `Pipelines`. To align with `Conditions`, we set scope of
`when` expressions to the guarded `Task` and its dependent `Tasks`.

In [TEP-0059: Skipping Strategies][tep-0059], we proposed changing the scope of
`when` expressions to the guarded `Task` only. This was implemented in tektoncd#4085.
We provided a feature flag, `scope-when-expressions-to-task`, to support migration.
It defaulted to `false` for 9 months per our [Beta API compatibility policy][policy],
meaning that we continued to guard the `Task` and its dependent `Tasks`. Then in tektoncd#4580,
we flipped the flag to `true` to guard the `Task` only by default.

In this change, we remove the `scope-when-expressions-to-task` flag and complete the
migration.

Closes tektoncd#4461.

[tep-0007]: https:/tektoncd/community/blob/main/teps/0007-conditions-beta.md
[tep-0059]: https:/tektoncd/community/blob/main/teps/0059-skipping-strategies.md
[policy]: https:/tektoncd/pipeline/blob/main/api_compatibility_policy.md
@tekton-robot tekton-robot removed the lgtm Indicates that a PR is ready to be merged. label Mar 29, 2022
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The following is the coverage report on the affected files.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File Old Coverage New Coverage Delta
pkg/apis/config/feature_flags.go 88.5% 88.0% -0.5

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/lgtm

@tekton-robot tekton-robot added the lgtm Indicates that a PR is ready to be merged. label Mar 29, 2022
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@dibyom dibyom left a comment

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Nice cleanup!

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dibyom

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@tekton-robot tekton-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Mar 29, 2022
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jerop commented Mar 29, 2022

zone: 'us-central1'>] finished with error: All cluster resources were brought up, but: only 2 nodes out of 3 have registered; this is likely due to Nodes failing to start correctly; check VM Serial logs for errors, try re-creating the cluster or contact support if that doesn't work.

/test pull-tekton-pipeline-integration-tests

@tekton-robot tekton-robot merged commit 97fe2fd into tektoncd:main Mar 29, 2022
@jerop jerop deleted the tep-0059-final branch June 11, 2022 01:44
l-qing added a commit to l-qing/tekton-operator that referenced this pull request Jun 26, 2024
This feature flag has been completely removed in v0.35.

Ref: tektoncd/pipeline#4715
l-qing added a commit to l-qing/tekton-operator that referenced this pull request Jun 26, 2024
This feature flag has been completely removed in v0.35.

Ref: tektoncd/pipeline#4715
l-qing added a commit to l-qing/pipeline that referenced this pull request Jun 26, 2024
This feature flag has been completely removed in v0.35.

Ref: tektoncd#4715
l-qing added a commit to l-qing/pipeline that referenced this pull request Jun 27, 2024
This feature flag has been completely removed in v0.35.

Ref: tektoncd#4715
l-qing added a commit to l-qing/tekton-operator that referenced this pull request Jul 3, 2024
This feature flag has been completely removed in v0.35.

Ref: tektoncd/pipeline#4715
tekton-robot pushed a commit to tektoncd/operator that referenced this pull request Jul 3, 2024
This feature flag has been completely removed in v0.35.

Ref: tektoncd/pipeline#4715
tekton-robot pushed a commit that referenced this pull request Jul 3, 2024
This feature flag has been completely removed in v0.35.

Ref: #4715
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Scope of when expressions
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