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🐛 Prevent source.Channel from shutting down immediately #1345

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charith-elastic
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Because of an incorrectly used context, source.Channel gets shutdown almost immediately before it gets a chance to process any events. More details can be found in #1343.

Also fixes a minor bug in source.Channel where the destination append operation wasn't protected by a lock as it used to.

Fixes #1343

@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Jan 18, 2021
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Hi @charith-elastic. Thanks for your PR.

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@k8s-ci-robot k8s-ci-robot added the needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. label Jan 18, 2021
@k8s-ci-robot k8s-ci-robot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Jan 18, 2021
watchStartCtx, cancel := context.WithTimeout(ctx, c.CacheSyncTimeout)
defer cancel()
if err := watch.src.Start(watchStartCtx, watch.handler, c.Queue, watch.predicates...); err != nil {
if err := watch.src.Start(ctx, watch.handler, c.Queue, watch.predicates...); err != nil {
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Unfortunately, what we do today is the correct behaviour for source.Kind, it has a different interpretation of the purpose of its ctx argument. Let's merge this as source.Channel doesn't work at all currently, I will open a n issue so we can clarify our interface definitions and update one or the other accordingly

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(This change will break the waitForSync functionality I believe)

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/lgtm
/approve

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jan 19, 2021
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alvaroaleman, charith-elastic

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Jan 19, 2021
@k8s-ci-robot k8s-ci-robot merged commit 73c52e8 into kubernetes-sigs:master Jan 19, 2021
alvaroaleman added a commit to alvaroaleman/ci-tools that referenced this pull request Feb 3, 2021
We need kubernetes-sigs/controller-runtime#1345,
otherwise souce.Channel doesn't do anything which renders the
promotion_job_creator useless as it never gets triggered.
This was referenced Mar 15, 2021
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source.Channel gets shutdown almost immediately and never processes any events
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