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🐛 Start web hooks first#1690

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🐛 Start web hooks first#1690
k8s-ci-robot merged 2 commits intokubernetes-sigs:release-0.10from
fabriziopandini:start-webhooks-first

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@fabriziopandini fabriziopandini commented Oct 11, 2021

This PR test a simpler and possible cleaner solution to #1685.
We should test how this impact start time

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@fabriziopandini fabriziopandini changed the title [WIP] 🐛Start web hooks first [WIP] 🐛 Start web hooks first Oct 11, 2021
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fabriziopandini commented Oct 11, 2021 •
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NOTE: starting the webhooks in CAPI (where we have about 15 to 20 webhooks) takes about 100ms; as a side effect this start cache faster in case they requires conversion

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vincepri commented Oct 11, 2021

This seems cleaner than the other PR, +1 on merging

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alvaroaleman commented Oct 11, 2021

I like the approach. Any chance we could test this?

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vincepri commented Oct 11, 2021

@alvaroaleman When I first moved the code to run webhooks first there wasn't a nice way to do it from the outside.

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fabriziopandini commented Oct 11, 2021

I will take a look about tests tomorrow morning, at least this is a chance to learn this part as well

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alvaroaleman commented Oct 12, 2021

@alvaroaleman When I first moved the code to run webhooks first there wasn't a nice way to do it from the outside.

Maybe just set up a manager with a webhook and a runnable that does a http request to the webhook in its Start()? It is a bit annoying because if we race like before it will flake and not reliably fail, but I guess that is unavoidable when it comes to race conditions that are not data races?

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fabriziopandini commented Oct 12, 2021

While investigating unit tests, we are testing this with CAPI and we just found some problems in https://storage.googleapis.com/kubernetes-jenkins/pr-logs/pull/kubernetes-sigs_cluster-a[…]ager/capi-controller-manager-5d857f645f-wpv8v/manager.log

It seems we still have deadlock with the health probes. If the health probes are not started our conversion webhook won’t be accessible as the Pod doesn’t get ready.
@sbueringer is working to a fix for this

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sbueringer commented Oct 12, 2021

Fix seems to work:

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fabriziopandini commented Oct 12, 2021

I have a test ensuring webhook start before cache.
What is missing is adding to the test that health should start before cache too

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fabriziopandini commented Oct 29, 2021

@vincepri should I close this one given the work on #1695 ?

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vincepri commented Oct 29, 2021

Let's close it once/if the other one merges, this fix can probably be rebased on top of release-0.10

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k8s-ci-robot commented Nov 4, 2021

@fabriziopandini: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

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@fabriziopandini fabriziopandini changed the base branch from master to release-0.10 November 4, 2021 21:52
@k8s-ci-robot k8s-ci-robot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Nov 4, 2021
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fabriziopandini commented Nov 4, 2021

/retest

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fabriziopandini commented Nov 4, 2021

@vincepri rebased on to of the release 0.10 branch

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sbueringer commented Nov 5, 2021 •
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@fabriziopandini Can you please include the change in: https://github.com/fabriziopandini/controller-runtime/pull/1 ?

The problem is that otherwise we'll have the same deadlock just with the healthprobes.

I would then take this version and rebase my 2 test PRs in CAPI to run all our tests with and without leader election

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start healhprobes sync
708d539 
Co-authored-by: Stefan Büringer <buringerst@vmware.com>
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fabriziopandini commented Nov 5, 2021

@fabriziopandini Can you please include the change in: fabriziopandini#1 ?

Done!

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sbueringer commented Nov 5, 2021 •
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Thx! Tests are running here:

P.S. I might need a few tries, just refactored those branches back to use CR release-0.10 instead of main.

UPDATE: tests are all green

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sbueringer commented Nov 9, 2021

@fabriziopandini WDYT, ready for review/squash/un-wip? :)

@fabriziopandini fabriziopandini changed the title [WIP] 🐛 Start web hooks first 🐛 Start web hooks first Nov 10, 2021
@k8s-ci-robot k8s-ci-robot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Nov 10, 2021
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fabriziopandini commented Nov 10, 2021

Removed WIP, given #1690 (comment)
two commits make sense for me but happy to squash if people prefer this way

@vincepri @alvaroaleman PTAL

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/lgtm
/milestone v0.10

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k8s-ci-robot commented Nov 10, 2021

@vincepri: The provided milestone is not valid for this repository. Milestones in this repository: [1.0.0, Next, v0.10.x, v0.5.x, v0.6.x, v0.7.x, v0.8.x, v0.9.x]

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@vincepri vincepri added this to the v0.10.x milestone Nov 10, 2021
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k8s-ci-robot commented Nov 10, 2021

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: fabriziopandini, vincepri

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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 Nov 10, 2021
@k8s-ci-robot k8s-ci-robot merged commit f8472ce into kubernetes-sigs:release-0.10 Nov 10, 2021
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@fabriziopandini fabriziopandini deleted the start-webhooks-first branch November 15, 2021 12:57
@jmendesky jmendesky mentioned this pull request Aug 31, 2022
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