def backend_modify(cc, args):
db_backends = cc.storage_backend.list()
backend_entry = next(
(b for b in db_backends if ((b.name == args.backend_name_or_uuid) or (
b.uuid == args.backend_name_or_uuid))), None)
if not backend_entry:
raise exc.CommandError("Backend %s is not found." %
args.backend_name_or_uuid)
# filter out arg noise: Only relevant fields
allowed_fields = ['services', 'ceph_conf']
# filter the args.passed to backend creation
fields = dict((k, v) for (k, v) in vars(args).items()
if k in allowed_fields and not (v is None))
# Load command line attributes to pass to backend modify
# REST API will ignore the cruft
attr_dict = dict(
s.split('=') for s in vars(args).get('attributes', []) if '=' in s)
# non-capability, backend specific attributes
backend = backend_entry.backend
if backend in constants.SB_SUPPORTED:
backend_attrs = getattr(eval('storage_' + backend.replace("-", "_")),
'PATCH_ATTRIBUTES')
allowed_fields += backend_attrs
for k, v in attr_dict.items():
if k in backend_attrs:
fields[k] = v
# Move tha rest of the attributes to the capabilities, used for hiera data
# overrides
capabilities = {}
for k, v in attr_dict.items():
if k not in allowed_fields:
capabilities[k] = v
patch = []
patch = utils.dict_to_patch(fields)
patch.append({
'path': '/capabilities',
'value': jsonutils.dumps(capabilities),
'op': 'replace'
})
try:
backend_client = getattr(cc, 'storage_' + backend.replace("-", "_"))
backend_entry = backend_client.update(backend_entry.uuid, patch)
except exc.HTTPNotFound:
raise exc.CommandError('Storage %s not found: %s' %
(backend, backend_entry.uuid))
backend_show(cc, backend_entry.uuid)
def do_service_disable(cc, args):
"""Disable optional service"""
values = {'enabled': False}
patch = utils.dict_to_patch(values)
try:
response = cc.sm_service.update(args.service, patch)
except exc.HTTPNotFound:
raise exc.CommandError('service not recognized: %s' % args.service)
except exc.Forbidden:
raise exc.CommandError("Not authorized. The requested action "
"requires 'admin' level")