Comment 2 for bug 1504689

Reviewed: https://review.openstack.org/233319
Committed: https://git.openstack.org/cgit/openstack/magnum/commit/?id=23ee8f5711b642617e739c963eee3aeec460e012
Submitter: Jenkins
Branch: master

commit 23ee8f5711b642617e739c963eee3aeec460e012
Author: Hongbin Lu <email address hidden>
Date: Fri Oct 9 21:55:27 2015 -0400

    Fix a 409 failure on bay-update

    The error is caused by change of user_token on bay-update. In
    particular, when a bay is created, magnum pass user token to heat
    as a parameter. Heat in term pass the token to each bay node via
    user_data. When a bay is scaled up/down, another token is generated
    and passed to heat, which changes the user_data of each bay nodes.
    As a result, heat have to replace all the bay nodes to update the
    user_data, which cause the error.

    Change-Id: If3c3a0d435893d4fa4ed96f7ffd3c414200770f8
    Closes-Bug: #1504689