• Kubernetes Submit Queue's avatar
    Merge pull request #65309 from tnozicka/add-ds-recreate-backoff · c1f7df2b
    Kubernetes Submit Queue authored
    Automatic merge from submit-queue (batch tested with PRs 62441, 66702, 67254, 67421, 65309). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
    
    Add backoff for DS's pod deletion to limit fighting with kubelet failing the pod repeatedly
    
    **What this PR does / why we need it**:
    Limits consequences of DS controller on hot loop fighting with kubelet.
    
    **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
    Fixes https://github.com/kubernetes/kubernetes/issues/65240
    
    **Release note**:
    ```release-note
    DaemonSet controller is now using backoff algorithm to avoid hot loops fighting with kubelet on pod recreation when a particular DaemonSet is misconfigured.
    ```
    
    TODO:
     - [x] Export the backoff settings as args or constants
     - [x] Add test a case
    
    /cc @mfojtik 
    (Will add more folks when it's ready, to avoid spamming them.)
    c1f7df2b
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