def from_json(cls: Type, data: dict) -> 'ClientKeyringSpec':
c = data.copy()
if 'placement' in c:
c['placement'] = PlacementSpec.from_json(c['placement'])
_cls = cls(**c)
_cls.validate()
return _cls
def _from_json_impl(cls, json_drive_group):
# type: (dict) -> DriveGroupSpec
"""
Initialize 'Drive group' structure
:param json_drive_group: A valid json string with a Drive Group
specification
"""
args = {}
# legacy json (pre Octopus)
if 'host_pattern' in json_drive_group and 'placement' not in json_drive_group:
json_drive_group['placement'] = {'host_pattern': json_drive_group['host_pattern']}
del json_drive_group['host_pattern']
try:
args['placement'] = PlacementSpec.from_json(json_drive_group.pop('placement'))
except KeyError:
raise DriveGroupValidationError('OSD spec needs a `placement` key.')
args['service_type'] = json_drive_group.pop('service_type', 'osd')
# service_id was not required in early octopus.
args['service_id'] = json_drive_group.pop('service_id', '')
# spec: was not mandatory in octopus
if 'spec' in json_drive_group:
args.update(cls._drive_group_spec_from_json(json_drive_group.pop('spec')))
else:
args.update(cls._drive_group_spec_from_json(json_drive_group))
return cls(**args)
def _from_json_impl(cls, json_drive_group):
# type: (dict) -> DriveGroupSpec
"""
Initialize 'Drive group' structure
:param json_drive_group: A valid json string with a Drive Group
specification
"""
# legacy json (pre Octopus)
if 'host_pattern' in json_drive_group and 'placement' not in json_drive_group:
json_drive_group['placement'] = {'host_pattern': json_drive_group['host_pattern']}
del json_drive_group['host_pattern']
for applied_filter in list(json_drive_group.keys()):
if applied_filter not in cls._supported_features:
raise DriveGroupValidationError(
"Feature <{}> is not supported".format(applied_filter))
for key in ('block_wal_size', 'block_db_size', 'journal_size'):
if key in json_drive_group:
if isinstance(json_drive_group[key], six.string_types):
from ceph.deployment.drive_selection import SizeMatcher
json_drive_group[key] = SizeMatcher.str_to_byte(json_drive_group[key])
if 'placement' in json_drive_group:
json_drive_group['placement'] = PlacementSpec.from_json(json_drive_group['placement'])
try:
args = {k: (DeviceSelection.from_json(v) if k.endswith('_devices') else v) for k, v in
json_drive_group.items()}
if not args:
raise DriveGroupValidationError("Didn't find Drivegroup specs")
return DriveGroupSpec(**args)
except (KeyError, TypeError) as e:
raise DriveGroupValidationError(str(e))
