🎉 Cloud Events for Runs, Overrides for TaskRuns, and lots of fixes 🎉

Installation one-liner

kubectl apply -f https://storage.googleapis.com/tekton-releases/pipeline/previous/v0.34.0/release.yaml

Attestation

The Rekor UUID for this release is 1a84bc03f5f849d177185512d5578da724982ad33457852a1da2e93f259e7fb7

Obtain the attestation:

REKOR_UUID=1a84bc03f5f849d177185512d5578da724982ad33457852a1da2e93f259e7fb7
rekor-cli get --uuid $REKOR_UUID --format json | jq -r .Attestation | base64 --decode | jq

Verify that all container images in the attestation are in the release file:

RELEASE_FILE=https://storage.googleapis.com/tekton-releases/pipeline/previous/v0.34.0/release.yaml
REKOR_UUID=1a84bc03f5f849d177185512d5578da724982ad33457852a1da2e93f259e7fb7

# Obtains the list of images with sha from the attestation
REKOR_ATTESTATION_IMAGES=$(rekor-cli get --uuid "$REKOR_UUID" --format json | jq -r .Attestation | base64 --decode | jq -r '.subject[]|.name + ":v0.34.0@sha256:" + .digest.sha256')

# Download the release file
curl "$RELEASE_FILE" > release.yaml

# For each image in the attestation, match it to the release file
for image in $REKOR_ATTESTATION_IMAGES; do
  printf $image; grep -q $image release.yaml && echo " ===> ok" || echo " ===> no match";
done

Changes

Features

✨ TEP-0090: Matrix - Context Variables (#4689)
Parameters in Matrix support Context Variables. Note that Matrix is not yet fully functional.
✨ Implement CloudEvents for Runs (#4663)
Tekton Pipelines can now generate CloudEvents for Runs.
This feature is disabled by default. It can by enable by setting a sink URL and flipping the new feature flag "send-cloudevents-for-runs" to "true"
✨ Add CloudEvents for Run definitions (#4659)
CloudEvents for Run have been defined, but they are not sent yet.
✨ TEP-0090: Matrix - API Change and Feature Flag (#4600)
Added syntax support for Matrix as an alpha feature. It is still in a very early stage of development and is not yet fully functional.
✨ Implement Step and Sidecar Overrides for TaskRun (#4598)
✨ Add functions to merge step/sidecar overrides (#4617)

Backwards incompatible changes

In current release:

🚨 Change Default Metrics Level for Taskrun and Pipelinerun (#4630)
The Level for taskrun and pipelinerun metrics will change in this release. By default, taskrun and pipelinerun metrics have these values:
```
 metrics.taskrun.level: "task"
 metrics.taskrun.duration-type: "histogram"
 metrics.pipelinerun.level: "pipeline"
 metrics.pipelinerun.duration-type: "histogram"
```
🚨 If an annotation or label is present in both Pipeline and PipelineRun, the value in the Run type takes precedence (same for Task and TaskRun) (#4638)

Fixes

🐛 TEP-0090: Add validation for PipelineTask context variables (#4684)
🐛 Update getNextTasks to support Run retries (#4647)
schedule Runs with remaining retries
🐛 Update IsFailure method to reflect Run retries (#4625)
Runs that have remaining retries are not failed
🐛 set the param type based on the default value (#4608)
Set the type of the param based on the default value when the type is not specified or cannot be inferred from the default value.
🐛 workspace-in-sidecar flakey test fix (#4634)
🐛 Add log line to debg workspace-in-sidecar example (#4646)
🐛 Fix Task(Run)/Pipeline(Run) metadata propagation (#4638)
Fix Task(Run)/Pipeline(Run) metadata propagation, If an annotation or label is present in both Pipeline and PipelineRun, the value in the
Run type takes precedence (same for Task and TaskRun)
🐛 Change Default Metrics Level for Taskrun and Pipelinerun (#4630)
The Level for taskrun and pipelinerun metrics will change in this release. By default, taskrun and pipelinerun metrics have these values:
```
 metrics.taskrun.level: "task"
 metrics.taskrun.duration-type: "histogram"
 metrics.pipelinerun.level: "pipeline"
 metrics.pipelinerun.duration-type: "histogram"
```

Misc

🔨 refactor reconcile pipeline TaskSpecMetadata test (#4693)
🔨 refactor create helpers in reconcile pr tests (#4682)
🔨 TEP-0090: Refactor Pipeline Workspaces Validation (#4670)
🔨 clean up reconcile unit test to use YAML parser (#4637)
🔨 test reconcile on cancelled refactor (#4628)
🔨 refactor TestReconcile_PipelineSpecTaskSpec result (#4627)
🔨 TEP-0058: Graceful Termination - is deprecated (#4612)
Reminder that PipelineRunCancelled was deprecated in v0.25. Earliest removal date is March 2022.
🔨 Build tekton pipelines with golang 1.17 (#4639)
Tekton is now built using golang 1.17.7
🔨 PipelineRunState cleanup: tests + comments (#4667)
🔨 Remove unused windows dockerfiles (#4644)
🔨 cleanup - refactor taskRunStatus and runStatus unit tests (#4632)
🔨 Replace remaining implementations of TestClock (#4624)
🔨 refactor TestReconcile_PipelineSpecTaskSpec objects (#4622)
🔨 clean up TestReconcile_CloudEvents YAML parsing (#4619)
🔨 cleaning up a unit test InvalidPipelineRuns to use YAML parser (#4616)
🔨 Replace Clock package with k8s Clock package (#4607)
🔨 Remove broken link in development doc (#4602)
🔨 Add GetStatusCondition for Run (#4658)
🔨 TEP-0090: Pipeline Context Variables - Fix Validation Tests (#4685)
🔨 Add hostAliases to podTemplate doc (#4683)
🔨 go.mod: bump containerd dependency to 1.5.10 (#4649)
🔨 TEP-0090: Refactor execution status validation (#4635)
🔨 Remove lengthly operations from hermetic tests 🧪 (#4590)

Docs

📖 TEP-0090: Matrix - Update API definition (#4601)
📖 Update the release cheatsheet to the new release drafter (#4677)
📖 Update API reference docs for TaskRun (#4662)
📖 Add links to docs and examples for 4 minor releases (#4650)
📖 Add links to docs and examples for v0.33.0 (#4595)
📖 Update taskrun code example links in the documentation (#4692)

Thanks

Thanks to these contributors who contributed to v0.34.0!

❤️ @Yongxuanzhang
❤️ @afrittoli
❤️ @arshchimni
❤️ @bobcatfish
❤️ @jbpratt
❤️ @jerop
❤️ @khrm
❤️ @lbernick
❤️ @pritidesai
❤️ @sbwsg
❤️ @vdemeester
❤️ @xchapter7x

Extra shout-out for awesome release notes:

😍 @afrittoli
😍 @arshchimni
😍 @jbpratt
😍 @jerop
😍 @khrm
😍 @lbernick
😍 @pritidesai
😍 @sbwsg
😍 @vdemeester
😍 @xchapter7x

tektoncd/pipeline v0.34.0 Tekton Pipeline release v0.34.0 "Caracal Ruby" on GitHub