class SegmentApiPayloadBase(base.NotificationPayloadBase):
SCHEMA = {
'id': ('segment', 'id'),
'uuid': ('segment', 'uuid'),
'name': ('segment', 'name'),
'service_type': ('segment', 'service_type'),
'description': ('segment', 'description'),
'recovery_method': ('segment', 'recovery_method'),
'enabled': ('segment', 'enabled'),
}
# Version 1.0: Initial version
# Version 1.1: Add 'enabled' field
VERSION = '1.1'
fields = {
'id': fields.IntegerField(),
'uuid': fields.UUIDField(),
'name': fields.StringField(),
'service_type': fields.StringField(),
'description': fields.StringField(nullable=True),
'recovery_method': fields.FailoverSegmentRecoveryMethodField(),
'enabled': fields.BooleanField(),
}
def __init__(self, segment, **kwargs):
super(SegmentApiPayloadBase, self).__init__(**kwargs)
self.populate_schema(segment=segment)
class FailoverSegment(base.MasakariPersistentObject, base.MasakariObject,
base.MasakariObjectDictCompat):
# 1.0, init
# 1.1, add enabled field
VERSION = '1.1'
fields = {
'id': fields.IntegerField(),
'uuid': fields.UUIDField(),
'name': fields.StringField(),
'service_type': fields.StringField(),
'enabled': fields.BooleanField(default=True),
'description': fields.StringField(nullable=True),
'recovery_method': fields.FailoverSegmentRecoveryMethodField(),
}
def obj_make_compatible(self, primitive, target_version):
super(FailoverSegment,
self).obj_make_compatible(primitive, target_version)
target_version = versionutils.convert_version_to_tuple(target_version)
if target_version < (1, 1) and 'enabled' in primitive:
del primitive['enabled']
@staticmethod
def _from_db_object(context, segment, db_segment):
for key in segment.fields:
setattr(segment, key, db_segment[key])
segment._context = context
segment.obj_reset_changes()
return segment
@base.remotable_classmethod
def get_by_id(cls, context, id):
db_inst = db.failover_segment_get_by_id(context, id)
return cls._from_db_object(context, cls(), db_inst)
@base.remotable_classmethod
def get_by_uuid(cls, context, uuid):
db_inst = db.failover_segment_get_by_uuid(context, uuid)
return cls._from_db_object(context, cls(), db_inst)
@base.remotable_classmethod
def get_by_name(cls, context, name):
db_inst = db.failover_segment_get_by_name(context, name)
return cls._from_db_object(context, cls(), db_inst)
@base.remotable
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.masakari_obj_get_changes()
if 'uuid' not in updates:
updates['uuid'] = uuidutils.generate_uuid()
LOG.debug('Generated uuid %(uuid)s for failover segment',
dict(uuid=updates['uuid']))
api_utils.notify_about_segment_api(
self._context,
self,
action=fields.EventNotificationAction.SEGMENT_CREATE,
phase=fields.EventNotificationPhase.START)
db_segment = db.failover_segment_create(self._context, updates)
api_utils.notify_about_segment_api(
self._context,
self,
action=fields.EventNotificationAction.SEGMENT_CREATE,
phase=fields.EventNotificationPhase.END)
self._from_db_object(self._context, self, db_segment)
@base.remotable
def save(self):
updates = self.masakari_obj_get_changes()
updates.pop('id', None)
api_utils.notify_about_segment_api(
self._context,
self,
action=fields.EventNotificationAction.SEGMENT_UPDATE,
phase=fields.EventNotificationPhase.START)
db_segment = db.failover_segment_update(self._context, self.uuid,
updates)
api_utils.notify_about_segment_api(
self._context,
self,
action=fields.EventNotificationAction.SEGMENT_UPDATE,
phase=fields.EventNotificationPhase.END)
self._from_db_object(self._context, self, db_segment)
@base.remotable
def destroy(self):
if not self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='destroy',
reason='already destroyed')
if not self.obj_attr_is_set('uuid'):
raise exception.ObjectActionError(action='destroy',
reason='no uuid')
api_utils.notify_about_segment_api(
self._context,
self,
action=fields.EventNotificationAction.SEGMENT_DELETE,
phase=fields.EventNotificationPhase.START)
db.failover_segment_delete(self._context, self.uuid)
api_utils.notify_about_segment_api(
self._context,
self,
action=fields.EventNotificationAction.SEGMENT_DELETE,
phase=fields.EventNotificationPhase.END)
delattr(self, base.get_attrname('id'))
def is_under_recovery(self, filters=None):
return db.is_failover_segment_under_recovery(self._context,
self.uuid,
filters=filters)
class FailoverSegment(base.MasakariPersistentObject, base.MasakariObject,
base.MasakariObjectDictCompat):
VERSION = '1.0'
fields = {
'id': fields.IntegerField(),
'uuid': fields.UUIDField(),
'name': fields.StringField(),
'service_type': fields.StringField(),
'description': fields.StringField(nullable=True),
'recovery_method': fields.FailoverSegmentRecoveryMethodField(),
}
@staticmethod
def _from_db_object(context, segment, db_segment):
for key in segment.fields:
setattr(segment, key, db_segment[key])
segment._context = context
segment.obj_reset_changes()
return segment
@base.remotable_classmethod
def get_by_id(cls, context, id):
db_inst = db.failover_segment_get_by_id(context, id)
return cls._from_db_object(context, cls(), db_inst)
@base.remotable_classmethod
def get_by_uuid(cls, context, uuid):
db_inst = db.failover_segment_get_by_uuid(context, uuid)
return cls._from_db_object(context, cls(), db_inst)
@base.remotable_classmethod
def get_by_name(cls, context, name):
db_inst = db.failover_segment_get_by_name(context, name)
return cls._from_db_object(context, cls(), db_inst)
@base.remotable
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.masakari_obj_get_changes()
if 'uuid' not in updates:
updates['uuid'] = uuidutils.generate_uuid()
LOG.debug('Generated uuid %(uuid)s for failover segment',
dict(uuid=updates['uuid']))
db_segment = db.failover_segment_create(self._context, updates)
self._from_db_object(self._context, self, db_segment)
@base.remotable
def save(self):
updates = self.masakari_obj_get_changes()
updates.pop('id', None)
db_segment = db.failover_segment_update(self._context, self.uuid,
updates)
self._from_db_object(self._context, self, db_segment)
@base.remotable
def destroy(self):
if not self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='destroy',
reason='already destroyed')
if not self.obj_attr_is_set('uuid'):
raise exception.ObjectActionError(action='destroy',
reason='no uuid')
db.failover_segment_delete(self._context, self.uuid)
delattr(self, base.get_attrname('id'))
def is_under_recovery(self, filters=None):
return db.is_failover_segment_under_recovery(self._context,
self.uuid,
filters=filters)