On upgrade to ocata ncc fails to register its placement api

[David Ames]

On upgrade from Newton to Ocata the nova-cloud-controller charm fails to register its placement API

A subsequent config-changed hook run fixes the issue.

[David Ames (thedac)]

I suspect this is the fix. Testing now.

diff --git a/hooks/nova_cc_utils.py b/hooks/nova_cc_utils.py
index 3f09fe6..494771c 100644
--- a/hooks/nova_cc_utils.py
+++ b/hooks/nova_cc_utils.py
@@ -1023,7 +1023,7 @@ def determine_endpoints(public_url, internal_url, admin_url):
     '''Generates a dictionary containing all relevant endpoints to be
     passed to keystone as relation settings.'''
     region = config('region')
- os_rel = os_release('nova-common')
+ os_rel = os_release('nova-common', reset_cache=True)
     cmp_os_rel = CompareOpenStackReleases(os_rel)

     nova_public_url = ('%s:%s/v2/$(tenant_id)s' %

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/501489

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/501489
Committed: https://git.openstack.org/cgit/openstack/charm-nova-cloud-controller/commit/?id=0681179aa30ce3b94c1cfe72e92474830642ce15
Submitter: Jenkins
Branch: master

commit 0681179aa30ce3b94c1cfe72e92474830642ce15
Author: David Ames <email address hidden>
Date: Wed Sep 6 15:56:27 2017 -0700

    Reset os_release after an upgrade

    determine_endpoints was failing to recognize the new OS release after an
    upgrade. Specifically newton --> ocata failed to register the
    placement api.

    Reset os_release after an upgrade.

    Change-Id: I04ae30aea435c8c39f58d1a814d070a057bb5ce0
    Closes-Bug: #1715505