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kubeadm upgrade docs #4689

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Description

@mhausenblas

This is a...

  • Feature Request
  • Bug Report

Problem:

When kubernetes/kubernetes#48899 lands we want docs for it.

Proposed Solution:

Write some end-user facing docs/walkthroughs for kubeadm upgrade.

Page to Update:
New page? Not sure where to put it.

Activity

  1. luxas commented on Aug 8, 2017

    @luxas
    Member

    Sounds good to me to do this proactively! :)
    I'd be happy with having you write a WIP PR for this early on based on some runs with a binary from my fork (I can provide one easily for you)

    The sooner we start to write docs, the better. Often this is left to the last minute, which is a bad habit.

  2. mhausenblas commented on Aug 8, 2017

    @mhausenblas
    Author

    Awesome, yes, let's do it. Please advise for a starting point @luxas …

  3. added a commit that references this issue on Sep 29, 2017
  4. castrojo commented on Sep 29, 2017

    @castrojo
    Member

    The first step has the user curling a kubeadm binary. I asked if just waiting for the kubernetes repo to be updated to 1.8 and running the packaged version would work:

    luxas: Problem statement: an `apt-get upgrade` before pulls down a new kubelet for an old API, which is not supported
    jorge: that sounds like it would actually break
    luxas: Yes
    luxas: hence we need to do CLI only first, upgrade the control plane, and then upgrade the node
    lucas: updating the _kubeadm deb_ would reconfigure the kubelet to become unresponsive as well :disappointed:
    

    Perhaps we should be more explicit in telling the user that they need to get the kubeadm binary out of band first and NOT just do an apt update/dist-upgrade even though kubeadm 1.8 will be sitting in the repo.

  5. luxas commented on Oct 2, 2017

    @luxas
    Member

    @castrojo Feel free to improve the wording of the guide :)

  6. fejta-bot commented on Jan 6, 2018

    @fejta-bot

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  7. added
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