openstack overcloud update stack should be powered by a mistral workflow

[Dougal Matthews]

Currently the command `openstack overcloud update stack` has it's logic shared between python-tripleoclient and tripleo-common. It should be converted into a Mistral workflow (and probably action) that python-tripleoclient then uses.

[Dougal Matthews (d0ugal)]

As it currently stands, there is no good way to do a minor update if you have updated via the GUI. You would need to manually download the plan swift and the mistral environment and pass that information into `openstack overcloud update`

[Dougal Matthews (d0ugal)]

This bug is related: https://bugs.launchpad.net/tripleo/+bug/1626128

The current command is broken. A fix for this bug could resolve it at the same time, but potentially a quick fix is needed first for 1626128

[Julie Pichon (jpichon)]

https://review.openstack.org/#/c/379516/

[Emilien Macchi (emilienm)]

Moving it to Ocata 1. It doesn't seem critical for RC3.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/381351

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/379516
Committed: https://git.openstack.org/cgit/openstack/tripleo-common/commit/?id=960bc9ea2940632573d60f1c8c70ea6e400c698b
Submitter: Jenkins
Branch: master

commit 960bc9ea2940632573d60f1c8c70ea6e400c698b
Author: Brad P. Crochet <email address hidden>
Date: Thu Sep 29 10:43:29 2016 -0400

    Implement stack update as mistral actions

    This is the first step to making package updates available as a mistral
    action.

    Change-Id: I8a1f2dbffa19c2d8c93684562d2fb16aef6667db
    Closes-Bug: #1614928

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/381351
Committed: https://git.openstack.org/cgit/openstack/python-tripleoclient/commit/?id=7a31915c49aa3bd4f7f24586f30778781b91b892
Submitter: Jenkins
Branch: master

commit 7a31915c49aa3bd4f7f24586f30778781b91b892
Author: Brad P. Crochet <email address hidden>
Date: Mon Oct 3 12:52:54 2016 -0400

    Migrate overcloud update to a mistral workflow

    This moves the package update to using a mistral workflow.

    Change-Id: I5176746ca4843202a385206289be66f7e6450f48
    Depends-On: I8a1f2dbffa19c2d8c93684562d2fb16aef6667db
    Closes-Bug: #1614928

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/python-tripleoclient 6.0.0 release.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/tripleo-common 5.8.0 release.