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What type of PR is this?

/kind feature

What this PR does / why we need it:

Adds a warning message when cgroup_parent field is empty in the pod config.json. This will ensure that users does not assume that the correct cgroup driver is used always.

akhil@akhil-ThinkPad-L14:~/W/d/containerd $ sudo crictl runp pod.json
WARN[0000] cgroup_parent is not set. Use `runtime-config` to get the runtime cgroup driver

Which issue(s) this PR fixes:

Change as mentioned in #1867 (comment)

Special notes for your reviewer:

Does this PR introduce a user-facing change?

A warning message when the cgroup_parent field is left empty in the pod config.json.

@k8s-ci-robot k8s-ci-robot added kind/feature Categorizes issue or PR as related to a new feature. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. labels Jul 22, 2025
@k8s-ci-robot k8s-ci-robot added the size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. label Jul 22, 2025
Signed-off-by: Akhil Mohan <akhilerm@gmail.com>
@akhilerm akhilerm force-pushed the update-cgroup-driver-flag branch from 7ab2e90 to 532ecbc Compare July 22, 2025 02:14
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/cc @saschagrunert @SergeyKanzhelev

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@SergeyKanzhelev SergeyKanzhelev left a comment

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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 Jul 22, 2025
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: akhilerm, saschagrunert, SergeyKanzhelev

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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 Jul 23, 2025
@k8s-ci-robot k8s-ci-robot merged commit 790b60a into kubernetes-sigs:master Jul 23, 2025
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4 participants