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[atomic-devel] Running docker-storage-setup from a UI


I am working on this:


which is basically a UI inside Cockpit for docker-storage-setup.

I am not super far along, but I am getting to the point where the UI
will need to actually run docker-storage-setup.

- My basic idea is to write a new /etc/sysconfig/docker-storage-setup
  file and then run docker-storage-setup.  Is that the best approach for
  a UI?

- Docker-storage-setup needs to run non-interactively, but I think it
  can't do that right now, and asks confirmation for various things.
  Would it be acceptable to add a "--force-wipe" option to d-s-s, and
  maybe others?  I can do that at the same time as I write the code for
  the UI.

- Just showing the contents of /etc/sysconfig/docker-storage-setup in
  the UI as the current state of things is not really correct, since
  docker-storage-setup might not have run since it was last changed, or
  it might have failed.

  So I am thinking there could be something like

    # docker-storage-setup status
    /dev/vda: ok, shared with OS
    /dev/sda: ok
    /dev/sdb: Not yet set up!

    The Docker storage pool is not fully set up.  Run
    "docker-storage-setup" to complete the set up.

  This would output information about how things should be, and how they
  actually are.  (With an option for machine readable output.)  The
  above would be for VG="" and DEVS="/dev/sda /dev/sdb" where there was
  some sort of problem with /dev/sdb.

  The machine readable output could maybe look like

    # docker-storage-setup status -M

  Or should we go full JSON right away?

What do you think?  Am I heading down the wrong path?  If nobody stops
me, I'll hopefully make some PRs soon for this, and we can discuss the
details there.

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