Promoting Matrix to Beta 🎉 🎓

[pritidesai]

Changes

Matrix was introduced in Tekton Pipelines 0.38. We have introduced a lot of testing around matrix feature including unit/e2e/integration tests based on the feedback from the users and community. Matrix unblocks variety of use cases migrating from Travis/Jenkins.

This is a very crucial feature for many end-users while allowing to maintain clean, concise, and flexible catalog of pipelines.

Part of #5265 and #6110

We have accomplished most of the checklist except producing task results. The implementation for this feature is nearly done and opening a PR soon.

Submitter Checklist

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

• Has Docs if any changes are user facing, including updates to minimum requirements e.g. Kubernetes version bumps
• Has Tests included if any functionality added or changed
• Follows the commit message standard
• Meets the Tekton contributor standards (including functionality, content, code)
• Has a kind label. You can add one by adding a comment on this PR that contains /kind <type>. Valid types are bug, cleanup, design, documentation, feature, flake, misc, question, tep
• Release notes block below has been updated with any user facing changes (API changes, bug fixes, changes requiring upgrade notices or deprecation warnings). See some examples of good release notes.
• Release notes contains the string "action required" if the change requires additional action from users switching to the new release

Release Notes

Matrix feature is promoted to beta and possible to utilize with enable-api-fields set to beta.

[pritidesai]

/kind feature

[tekton-robot]

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/pipeline/v1beta1/pipeline_validation.go	98.8%	98.8%	-0.0

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/apis/pipeline/v1beta1/pipeline_validation.go	98.8%	98.8%	-0.0

[JeromeJu]

Thanks a lot @pritidesai . Excited to have this feature promotion!
/assign
Would we want this to be added to the current milestone?

[Yongxuanzhang]

/assign

[JeromeJu]

/assign @afrittoli @jerop @vdemeester

[jerop]

'The step "echo" in TaskRun "matrixed-pr-sp4hz-platforms-and-browsers-dag-0"
failed to pull the image "". The pod errored with the message: "Back-off pulling
image "alpine"."'

/test pull-tekton-pipeline-beta-integration-tests

[jerop]

thank you @pritidesai 😻

/lgtm

/test pull-tekton-pipeline-build-tests

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jerop, vdemeester, Yongxuanzhang

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• OWNERS [Yongxuanzhang,jerop,vdemeester]

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[jerop]

/test pull-tekton-pipeline-build-tests