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Fix issue in enabling evented pleg feature gate #120942

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merged 1 commit into from
Oct 19, 2023
Merged

Fix issue in enabling evented pleg feature gate #120942

merged 1 commit into from
Oct 19, 2023

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sairameshv
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@sairameshv sairameshv commented Sep 29, 2023 •
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What type of PR is this?

/kind bug
/kind flake

What this PR does / why we need it:

After enabling the evented pleg feature gate in the kubelet,

  • GetNewerThan() call isn't blocking until the pod status/cache is updated and returning the empty pod status.
  • Hence, whenever the SyncLoop ADD/UPDATE/RECONCILE functions are executed multiple times in a very less time interval, the Kubelet calls multiple CreateContainer CRI apis that results in the creation of duplicate containers within a given pod.
  • The initially created conainer keeps Running and the later container keeps Exiting and hence resulting the pod in CrashLoopBackOff state forever.

Which issue(s) this PR fixes:

Fixes #120941 #120140 #121003

Does this PR introduce a user-facing change?

Fixed a regression in the Kubelet's behavior while creating a container when the `EventedPLEG` feature gate is enabled

@k8s-ci-robot k8s-ci-robot added release-note-none Denotes a PR that doesn't merit a release note. kind/bug Categorizes issue or PR as related to a bug. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. kind/flake Categorizes issue or PR as related to a flaky test. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. do-not-merge/needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. needs-triage Indicates an issue or PR lacks a `triage/foo` label and requires one. needs-priority Indicates a PR lacks a `priority/foo` label and requires one. area/kubelet sig/node Categorizes an issue or PR as relevant to SIG Node. and removed do-not-merge/needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. labels Sep 29, 2023
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/cc @harche @mrunalp

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/test pull-kubernetes-node-crio-cgrpv1-evented-pleg-e2e

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harche commented Sep 29, 2023

/test

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@harche: The /test command needs one or more targets.
The following commands are available to trigger required jobs:

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harche commented Sep 29, 2023

/test ?

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@harche: The following commands are available to trigger required jobs:

  • /test pull-cadvisor-e2e-kubernetes
  • /test pull-kubernetes-conformance-kind-ga-only-parallel
  • /test pull-kubernetes-coverage-unit
  • /test pull-kubernetes-dependencies
  • /test pull-kubernetes-dependencies-go-canary
  • /test pull-kubernetes-e2e-gce
  • /test pull-kubernetes-e2e-gce-100-performance
  • /test pull-kubernetes-e2e-gce-big-performance
  • /test pull-kubernetes-e2e-gce-canary
  • /test pull-kubernetes-e2e-gce-cos
  • /test pull-kubernetes-e2e-gce-cos-canary
  • /test pull-kubernetes-e2e-gce-cos-no-stage
  • /test pull-kubernetes-e2e-gce-network-proxy-http-connect
  • /test pull-kubernetes-e2e-gce-scale-performance-manual
  • /test pull-kubernetes-e2e-kind
  • /test pull-kubernetes-e2e-kind-ipv6
  • /test pull-kubernetes-integration
  • /test pull-kubernetes-integration-go-canary
  • /test pull-kubernetes-kubemark-e2e-gce-scale
  • /test pull-kubernetes-node-e2e-containerd
  • /test pull-kubernetes-typecheck
  • /test pull-kubernetes-unit
  • /test pull-kubernetes-unit-go-canary
  • /test pull-kubernetes-update
  • /test pull-kubernetes-verify
  • /test pull-kubernetes-verify-go-canary

The following commands are available to trigger optional jobs:

  • /test check-dependency-stats
  • /test pull-ci-kubernetes-unit-windows
  • /test pull-crio-cgroupv1-node-e2e-eviction
  • /test pull-crio-cgroupv1-node-e2e-features
  • /test pull-crio-cgroupv1-node-e2e-hugepages
  • /test pull-crio-cgroupv1-node-e2e-resource-managers
  • /test pull-e2e-gce-cloud-provider-disabled
  • /test pull-kubernetes-conformance-image-test
  • /test pull-kubernetes-conformance-kind-ga-only
  • /test pull-kubernetes-conformance-kind-ipv6-parallel
  • /test pull-kubernetes-cos-cgroupv1-containerd-node-e2e
  • /test pull-kubernetes-cos-cgroupv1-containerd-node-e2e-features
  • /test pull-kubernetes-cos-cgroupv2-containerd-node-e2e
  • /test pull-kubernetes-cos-cgroupv2-containerd-node-e2e-eviction
  • /test pull-kubernetes-cos-cgroupv2-containerd-node-e2e-features
  • /test pull-kubernetes-cos-cgroupv2-containerd-node-e2e-serial
  • /test pull-kubernetes-cross
  • /test pull-kubernetes-e2e-autoscaling-hpa-cm
  • /test pull-kubernetes-e2e-autoscaling-hpa-cpu
  • /test pull-kubernetes-e2e-capz-azure-disk
  • /test pull-kubernetes-e2e-capz-azure-disk-vmss
  • /test pull-kubernetes-e2e-capz-azure-file
  • /test pull-kubernetes-e2e-capz-azure-file-vmss
  • /test pull-kubernetes-e2e-capz-conformance
  • /test pull-kubernetes-e2e-capz-windows-alpha-feature-vpa
  • /test pull-kubernetes-e2e-capz-windows-alpha-features
  • /test pull-kubernetes-e2e-capz-windows-master
  • /test pull-kubernetes-e2e-capz-windows-serial-slow-hpa
  • /test pull-kubernetes-e2e-containerd-gce
  • /test pull-kubernetes-e2e-ec2
  • /test pull-kubernetes-e2e-ec2-conformance
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  • /test pull-kubernetes-e2e-gce-device-plugin-gpu
  • /test pull-kubernetes-e2e-gce-kubelet-credential-provider
  • /test pull-kubernetes-e2e-gce-network-proxy-grpc
  • /test pull-kubernetes-e2e-gce-serial
  • /test pull-kubernetes-e2e-gce-storage-disruptive
  • /test pull-kubernetes-e2e-gce-storage-slow
  • /test pull-kubernetes-e2e-gce-storage-snapshot
  • /test pull-kubernetes-e2e-gci-gce-autoscaling
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  • /test pull-kubernetes-e2e-gci-gce-ipvs
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  • /test pull-kubernetes-e2e-kind-alpha-features
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  • /test pull-kubernetes-kind-text-logging
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  • /test pull-kubernetes-node-arm64-e2e-containerd-serial-ec2
  • /test pull-kubernetes-node-arm64-ubuntu-serial-gce
  • /test pull-kubernetes-node-crio-cgrpv1-evented-pleg-e2e
  • /test pull-kubernetes-node-crio-cgrpv2-e2e
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  • /test pull-kubernetes-node-e2e-containerd-1-7-dra
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  • /test pull-kubernetes-node-e2e-containerd-ec2
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  • /test pull-kubernetes-node-e2e-containerd-kubetest2
  • /test pull-kubernetes-node-e2e-containerd-serial-ec2
  • /test pull-kubernetes-node-e2e-containerd-sidecar-containers
  • /test pull-kubernetes-node-e2e-containerd-standalone-mode
  • /test pull-kubernetes-node-e2e-containerd-standalone-mode-all-alpha
  • /test pull-kubernetes-node-e2e-crio-dra
  • /test pull-kubernetes-node-kubelet-credential-provider
  • /test pull-kubernetes-node-kubelet-serial-containerd
  • /test pull-kubernetes-node-kubelet-serial-containerd-alpha-features
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  • /test pull-kubernetes-node-kubelet-serial-cpu-manager
  • /test pull-kubernetes-node-kubelet-serial-cpu-manager-kubetest2
  • /test pull-kubernetes-node-kubelet-serial-crio-cgroupv1
  • /test pull-kubernetes-node-kubelet-serial-crio-cgroupv2
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  • /test pull-kubernetes-node-kubelet-serial-pod-disruption-conditions
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  • /test pull-kubernetes-node-swap-fedora
  • /test pull-kubernetes-node-swap-fedora-serial
  • /test pull-kubernetes-node-swap-ubuntu-serial
  • /test pull-kubernetes-unit-experimental
  • /test pull-kubernetes-verify-strict-lint
  • /test pull-publishing-bot-validate

Use /test all to run the following jobs that were automatically triggered:

  • pull-kubernetes-conformance-kind-ga-only-parallel
  • pull-kubernetes-dependencies
  • pull-kubernetes-e2e-ec2
  • pull-kubernetes-e2e-ec2-conformance
  • pull-kubernetes-e2e-gce
  • pull-kubernetes-e2e-kind
  • pull-kubernetes-e2e-kind-ipv6
  • pull-kubernetes-integration
  • pull-kubernetes-linter-hints
  • pull-kubernetes-node-e2e-containerd
  • pull-kubernetes-typecheck
  • pull-kubernetes-unit
  • pull-kubernetes-verify
  • pull-kubernetes-verify-strict-lint

In response to this:

/test ?

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

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harche commented Sep 29, 2023

/test pull-kubernetes-node-crio-e2e

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/test pull-kubernetes-unit

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bart0sh commented Oct 1, 2023

/triage accepted
/priority important-soon
/assign @vinaykul

@k8s-ci-robot k8s-ci-robot added triage/accepted Indicates an issue or PR is ready to be actively worked on. priority/important-soon Must be staffed and worked on either currently, or very soon, ideally in time for the next release. and removed needs-triage Indicates an issue or PR lacks a `triage/foo` label and requires one. needs-priority Indicates a PR lacks a `priority/foo` label and requires one. labels Oct 1, 2023
@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Oct 18, 2023
saschagrunert
saschagrunert approved these changes Oct 19, 2023
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/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Oct 19, 2023
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LGTM label has been added.

Git tree hash: d98d6946b263b93e14f64523538f26caf51a0f6a

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mrunalp, sairameshv, saschagrunert

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/test pull-kubernetes-e2e-kind

@k8s-ci-robot k8s-ci-robot merged commit de054fb into kubernetes:master Oct 19, 2023
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@k8s-ci-robot k8s-ci-robot added this to the v1.29 milestone Oct 19, 2023
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aojea commented Oct 19, 2023

also fixes #121349

@sairameshv sairameshv mentioned this pull request Oct 19, 2023
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pacoxu commented Oct 19, 2023

Should we cherry-pick it to v1.26~v1.28? @sairameshv @saschagrunert

@sairameshv sairameshv mentioned this pull request Oct 19, 2023
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@k8s-ci-robot k8s-ci-robot added release-note Denotes a PR that will be considered when it comes time to generate release notes. and removed release-note-none Denotes a PR that doesn't merit a release note. labels Oct 19, 2023
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saschagrunert commented Oct 19, 2023 •
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Yes, I'd be in favor of that. 👍

@sairameshv sairameshv mentioned this pull request Oct 19, 2023
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@sairameshv may I ask you to edit the release note section to be a bit more concrete?

This was referenced Oct 19, 2023
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KEP xref: kubernetes/enhancements#3386

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pacoxu commented Oct 30, 2023 •
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also fixes #121349

The failing test in https://testgrid.k8s.io/presubmits-kubernetes-nonblocking#pull-kubernetes-e2e-kind-alpha-features&width=90 is not fixed.

FYI.

But currently, I still do not confirm if this is related to this issue. There are other failures there.

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also fixes #121349

The failing test in https://testgrid.k8s.io/presubmits-kubernetes-nonblocking#pull-kubernetes-e2e-kind-alpha-features&width=90 is not fixed.

FYI.

But currently, I still do not confirm if this is related to this issue. There are other failures there.

@pacoxu , I'm trying to actually figure out the issue from the e2e periodic job failures. But unfortunately, I couldn't find the related kubelet logs from the job artifacts(Ex: evented-pleg job)
Moreover, if I run the same job locally, not even once, it has failed.
So, I'm in the process of reproducing the issue.

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pacoxu commented Nov 1, 2023 •
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https://prow.k8s.io/view/gs/kubernetes-jenkins/pr-logs/pull/121477/pull-kubernetes-e2e-kind-beta-features/1719488708551380992 is a general run that is based on #121477.

  • The node cannot be ready for static pod issue. Faied in Kubernetes e2e suite: [SynchronizedBeforeSuite]
  • There are two container log for static pods like scheduler/controller-manager, and one success and the other failed for port in used.

https://prow.k8s.io/view/gs/kubernetes-jenkins/pr-logs/pull/121345/pull-kubernetes-e2e-kind-beta-features/1719259096076521472 is a run with disabled Evented PLGE FG.

  • this run failed for other reasons: the node can be ready. The SynchronizedBeforeSuite passed.

@aojea

@pacoxu pacoxu mentioned this pull request Dec 21, 2023
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@pacoxu pacoxu mentioned this pull request Jan 11, 2024
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Flaky e2e node conformance tests with enabled Evented PLEG featuregate