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kubeadm: add support for patching a "kubeletconfiguration" target #110405

Merged
merged 5 commits into from
Jun 7, 2022
Merged

kubeadm: add support for patching a "kubeletconfiguration" target #110405

merged 5 commits into from
Jun 7, 2022

Commits on Jun 6, 2022

  1. kubeadm: pass io.Writer and "patches dir" to WriteConfigToDisk() 

    With phases/kubelet/WriteConfigToDisk() about to support patches
it is required that the function accepts an io.Writer
where the PatchManager can output to and also a patch directory.

Modify all call sites of the function WriteConfigToDisk()
to properly prepare an pass an io.Writer and patches dir to it.
This results in command phases for init/join/upgrade to pass
the root io.Writer (usually stdout) and the patchesDir populated
either via the config file or --patches flag.
    @neolit123
    neolit123 committed Jun 6, 2022
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  2. kubeadm: apply patches to the kubelet config before writing it to disk 

    In phases/kubelet/WriteConfigToDisk() create a patch
manager for the root patches directory and apply
the user patches with a target "kubeletconfiguration".
    @neolit123
    neolit123 committed Jun 6, 2022
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  3. kubeadm: add unit tests for patching a "kubeletconfiguration" target

    @neolit123
    neolit123 committed Jun 6, 2022
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  4. kubeadm: document "kubeletconfiguration" as a patch target 

    Document the "kubeletconfiguration" as a patch target in the
v1beta3 API Init/JoinConfiguration.Patches struct
and also for the --patches flag.
    @neolit123
    neolit123 committed Jun 6, 2022
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  5. kubeadm: allow passing the --patches flag to init/join/node phases 

    Allow passing the --patches flag to init/join/node phases
relevant to the kubelet writing the config file on disk.
    @neolit123
    neolit123 committed Jun 6, 2022
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