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[Scott Moser <smoser@xxxxxxxxxx>]

** Changed in: cloud-init
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1064665

Title:
  should have some way to indicate shutdown or reboot

Status in Init scripts for use on cloud images:
  Fix Released

Bug description:
  At [1], I put in place change like below as a way to shut down cleanly, and
  avoid the annoying messages cloud-init spews if you run /sbin/poweroff from
  inside a user-data script.

  Basically, at the end of my user-data I would do something like this:
  # delay the poweroff to avoid annoying cloud-init messages
  sh -fc 'i=0; while [ $i -lt 30 ] && i=$(($i+1)); do
      state=$(status cloud-final);
      set -- $state
      case "$2" in
        stop/*) poweroff; exit 0;;
      esac
      echo "$state [$2] after $i"
      sleep 1
    done
    echo "giving up after 30 seconds"
    poweroff' </dev/null & 

  That actually works fine, but its a bit more involved than it should be.
  I can think of 2 ways to somewhat cleanly expose this:
   cloud-init request-poweroff [type [delay]]
  where 'type' would be 'reboot', 'poweroff' ...
  and cloud-init would somehow handle making that happen "delay" seconds after
  it finished cloud-final.

  Secondly, it'd be nice to have that as a cloud-config option also.
    #cloud-config
    shutdown: reboot 30

  request-poweroff could just put a marker file in /run that would be read when
  cloud-final finished.

  [1] https://code.launchpad.net/~smoser/maas/cleaner-
  shutdown/+merge/128807

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