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feat: retrieve specific log stream of a container #1724

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merged 1 commit into from
Dec 30, 2024

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knight42
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What type of PR is this?

/kind feature

What this PR does / why we need it:

Per kubernetes/kubernetes#127360 (comment), I am going to make crictl be able to fetch a specific log stream of a container.

BTW it turns out that crictl reads the log file directly (without any communication with apiserver or kubelet), so this change actually doesn't depend on k8s 1.32 APIs.

Which issue(s) this PR fixes:

None

Special notes for your reviewer:

Does this PR introduce a user-facing change?

`crictl logs` now is able to fetch a specific log stream of a container with the introducted `--stream` flag.

@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 Dec 14, 2024
@k8s-ci-robot k8s-ci-robot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Dec 14, 2024
@knight42
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/cc @kannon92 @SergeyKanzhelev @thockin

cmd/crictl/logs.go Outdated Show resolved Hide resolved
@feiskyer
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@knight42 could you fix the lint errors?

Signed-off-by: Jian Zeng <anonymousknight96@gmail.com>
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@knight42 could you fix the lint errors?

Sure! Please take another look.

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@feiskyer The test failure appears to be irrelevant. Could you please rerun the test? It seems I am unable to do so on my end.

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Thanks addressing the lint issues

Rerun works now

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Dec 30, 2024
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: feiskyer, knight42

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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 Dec 30, 2024
@k8s-ci-robot k8s-ci-robot merged commit 9a6db87 into kubernetes-sigs:master Dec 30, 2024
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@knight42 knight42 deleted the feat/log-stream branch December 30, 2024 03:02
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4 participants