Based on discussion with Openstack Charmers, this is a bug, but not in a way I described.
The charm should check if 'source' changed (comparing to what is configured in sources.list), and only if there is a change it should trigger the apt-get update/upgarde mantra.
Based on discussion with Openstack Charmers, this is a bug, but not in a way I described.
The charm should check if 'source' changed (comparing to what is configured in sources.list), and only if there is a change it should trigger the apt-get update/upgarde mantra.