def save(self, update_fields=None, force_update=False, *args, **kwargs):
"""
This method implements three purposes.
1. Implements the functionality originally done by django (e.g. setting id on self)
2. Modify the Ceph state-machine in a sane way.
3. Providing a RESTful API.
"""
insert = self._state.adding # there seems to be no id field.
if insert and not force_update:
raise ValidationError('Cannot create Ceph cluster.')
diff, original = self.get_modified_fields(update_fields=update_fields)
for key, value in diff.items():
if key == 'keyring_file_path':
ClusterConf(self.config_file_path).keyring_file_path = value
elif key == 'keyring_user':
ClusterConf(self.config_file_path).keyring.set_user_name(
self.fsid, value)
elif key == 'osd_flags':
api = self.mon_api(self.fsid)
for flag in set(original.osd_flags) - set(value):
api.osd_unset(flag)
for flag in set(value) - set(original.osd_flags):
api.osd_set(flag)
else:
logger.warning(
'Tried to set "{}" to "{}" on rbd "{}", which is not '
'supported'.format(key, value, self.config_file_path))
super(CephCluster, self).save(*args, **kwargs)
def check_ceph_api(fsid):
try:
cluster = ClusterConf.from_fsid(fsid)
except LookupError:
raise UnavailableModule(Reason.OPENATTIC_CEPH_NO_CLUSTER_FOUND,
{'fsid': fsid})
def test_connection(client):
if not client.connected():
raise UnavailableModule(Reason.OPENATTIC_CEPH_NO_CONNECTION, {
'fsid': fsid,
'cluster_name': cluster.name
})
try:
call_librados(fsid, test_connection, 'cluster connection test')
except ExternalCommandError as e:
raise UnavailableModule(Reason.OPENATTIC_CEPH_NO_CLUSTER_FOUND, {
'fsid': fsid,
'message': str(e),
'cluster_name': cluster.name,
})
def status(params):
configs = ClusterConf.all_configs()
for conf in configs:
check_keyring_permission(conf.keyring)
check_ceph_api(conf.fsid)
def keyring_candidates(self):
return [{
"file-path": keyring.file_name,
"user-names": keyring.available_user_names
} for keyring in ClusterConf(self.config_file_path).keyring_candidates]
def get_all_objects(context, query):
return map(CephCluster.from_cluster_conf, ClusterConf.all_configs())