[Bug 1424771] Fix merged to charm-ceph-mon (master)

[OpenStack Infra]

Reviewed:  https://review.openstack.org/433864
Committed: https://git.openstack.org/cgit/openstack/charm-ceph-mon/commit/?id=2aa46934b235fda13864795d4c3ebfbcb4defd78
Submitter: Jenkins
Branch:    master

commit 2aa46934b235fda13864795d4c3ebfbcb4defd78
Author: Chris MacNaughton <chris.macnaughton at canonical.com>
Date:   Tue Feb 14 13:06:17 2017 -0600

    remove upgrade_keys
    
    This function is no longer necessary as we do
    not need to ensure that the remote units can
    create their own pools
    
    Partial-Bug: 1424771
    Change-Id: Id94c983b9631ac5a5c0a43813b2157724b148a87

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https://bugs.launchpad.net/bugs/1424771

Title:
  Excessive caps for CephX users glance, cinder, nova-compute

Status in charms.openstack:
  In Progress
Status in ceph package in Juju Charms Collection:
  In Progress
Status in ceph-mon package in Juju Charms Collection:
  In Progress
Status in cinder package in Juju Charms Collection:
  In Progress
Status in cinder-ceph package in Juju Charms Collection:
  In Progress
Status in glance package in Juju Charms Collection:
  In Progress
Status in nova-compute package in Juju Charms Collection:
  In Progress

Bug description:
  The cephx identities, which the charms generate for glance, cinder and
  nova-compute, have excessive capabilities. They allow write access to
  mons, and unrestricted access to OSDs.

  The following caps should be sufficient:

  For client.glance:
  mon = "allow r"
  osd = "allow rw pool=glance"

  For client.cinder:
  mon = "allow r"
  osd = "allow rw pool=cinder"

  For client.nova-compute:
  mon = "allow r"
  osd = "allow rwx pool=cinder"

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