Charm doesn't reacts to new ceph units

[Jorge Niedbalski]

[Environment]

No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.2 LTS
Release: 14.04
Codename: trusty

[Deployment]

    cinder:
      branch: lp:~openstack-charmers/charms/trusty/cinder/next
      constraints: mem=1G
      options:
        openstack-origin: cloud:trusty-kilo
        block-device: 'None'
        glance-api-version: 1

    cinder-ceph:
      branch: lp:charms/cinder-ceph

    ceph:
      branch: lp:~openstack-charmers/charms/trusty/ceph/next
      num_units: 3
      constraints: mem=1G
      options:
        monitor-count: 3
        fsid: 6547bd3e-1397-11e2-82e5-53567c8d32dc
        monitor-secret: AQCXrnZQwI7KGBAAiPofmKEXKxu5bUzoYLVkbQ==
        osd-devices: /dev/vdb
        osd-reformat: 'yes'
        ephemeral-unmount: /mnt
  relations:

[ Reproduction ]

1) After deployment, all the cinder units have a correct ceph mon settings:

root@juju-niedbalski2-machine-32:/home/ubuntu# more /etc/ceph/ceph.conf
###############################################################################
# [ WARNING ]
# cinder configuration file maintained by Juju
# local changes may be overwritten.
###############################################################################
[global]
auth_supported = cephx
 keyring = /etc/ceph/$cluster.$name.keyring
 mon host = 10.5.0.163 10.5.0.164 10.5.0.165
log to syslog = none
 err to syslog = none
 clog to syslog = none

2) After raising 'juju add-unit -n 3 ceph', the new 3 ceph units are not correctly added to the cinder units and
the file /etc/ceph/ceph.conf remains unchanged.

[Workaround]

$ juju remove-relation cinder cinder-ceph
$ juju add-relation cinder cinder-ceph

[James Page (james-page)]

I think this might be due to the changes made to the charm to support the ceph pool broker; the configuration file is not always written out and I think it should be.

[James Page (james-page)]

Confirmed; new monitors are not correctly written to the ceph.conf file.

[James Page (james-page)]

I suspect this will also impact nova-compute and glance - so raising tasks there as well

[James Page (james-page)]

nova-compute is not impacted - but glance is.

[James Page (james-page)]

Its possible that the proposed fixes for bug 1453940 will also resolve this problem.

[Edward Hope-Morley (hopem)]

Since the fix for bug 1453940 has now landed, please retest and let us know if the problem still exists.

[Launchpad Janitor (janitor)]

[Expired for cinder-ceph (Juju Charms Collection) because there has been no activity for 60 days.]

[Launchpad Janitor (janitor)]

[Expired for glance (Juju Charms Collection) because there has been no activity for 60 days.]