def save(self):
"""Save updates to this instance group."""
updates = self.obj_get_changes()
# NOTE(sbauza): We do NOT save the set of compute nodes that an
# instance group is connected to in this method. Instance groups are
# implicitly connected to compute nodes when the
# InstanceGroup.add_members() method is called, which adds the mapping
# table entries.
# So, since the only way to have hosts in the updates is to set that
# field explicitly, we prefer to raise an Exception so the developer
# knows he has to call obj_reset_changes(['hosts']) right after setting
# the field.
if 'hosts' in updates:
raise exception.InstanceGroupSaveException(field='hosts')
# NOTE(yikun): You have to provide exactly one policy on group create,
# and also there are no group update APIs, so we do NOT support
# policies update.
if 'policies' in updates:
raise exception.InstanceGroupSaveException(field='policies')
if not updates:
return
payload = dict(updates)
payload['server_group_id'] = self.uuid
db_group = self._save_in_db(self._context, self.uuid, updates)
self._from_db_object(self._context, self, db_group)
compute_utils.notify_about_server_group_update(self._context,
"update", payload)
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.obj_get_changes()
payload = dict(updates)
updates.pop('id', None)
policies = updates.pop('policies', None)
policy = updates.pop('policy', None)
rules = updates.pop('_rules', None)
members = updates.pop('members', None)
if 'uuid' not in updates:
self.uuid = uuidutils.generate_uuid()
updates['uuid'] = self.uuid
db_group = self._create_in_db(self._context, updates,
policies=policies,
members=members,
policy=policy,
rules=rules)
self._from_db_object(self._context, self, db_group)
payload['server_group_id'] = self.uuid
compute_utils.notify_about_server_group_update(self._context,
"create", payload)
compute_utils.notify_about_server_group_action(
context=self._context,
group=self,
action=fields.NotificationAction.CREATE)
def _create(self, skipcheck=False):
# NOTE(danms): This is just for the migration routine, and
# can be removed once we're no longer supporting the migration
# of instance groups from the main to api database.
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.obj_get_changes()
payload = dict(updates)
updates.pop('id', None)
policies = updates.pop('policies', None)
members = updates.pop('members', None)
if 'uuid' not in updates:
self.uuid = uuidutils.generate_uuid()
updates['uuid'] = self.uuid
if not skipcheck:
try:
db.instance_group_get(self._context, self.uuid)
raise exception.ObjectActionError(
action='create',
reason='already created in main')
except exception.InstanceGroupNotFound:
pass
db_group = self._create_in_db(self._context, updates,
policies=policies,
members=members)
self._from_db_object(self._context, self, db_group)
payload['server_group_id'] = self.uuid
compute_utils.notify_about_server_group_update(self._context,
"create", payload)
def _create(self, skipcheck=False):
# NOTE(danms): This is just for the migration routine, and
# can be removed once we're no longer supporting the migration
# of instance groups from the main to api database.
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.obj_get_changes()
payload = dict(updates)
updates.pop('id', None)
policies = updates.pop('policies', None)
members = updates.pop('members', None)
if 'uuid' not in updates:
self.uuid = uuidutils.generate_uuid()
updates['uuid'] = self.uuid
if not skipcheck:
try:
db.instance_group_get(self._context, self.uuid)
raise exception.ObjectActionError(
action='create', reason='already created in main')
except exception.InstanceGroupNotFound:
pass
db_group = self._create_in_db(self._context,
updates,
policies=policies,
members=members)
self._from_db_object(self._context, self, db_group)
payload['server_group_id'] = self.uuid
compute_utils.notify_about_server_group_update(self._context, "create",
payload)
def save(self):
"""Save updates to this instance group."""
updates = self.obj_get_changes()
# NOTE(sbauza): We do NOT save the set of compute nodes that an
# instance group is connected to in this method. Instance groups are
# implicitly connected to compute nodes when the
# InstanceGroup.add_members() method is called, which adds the mapping
# table entries.
# So, since the only way to have hosts in the updates is to set that
# field explicitly, we prefer to raise an Exception so the developer
# knows he has to call obj_reset_changes(['hosts']) right after setting
# the field.
if 'hosts' in updates:
raise exception.InstanceGroupSaveException(field='hosts')
if not updates:
return
payload = dict(updates)
payload['server_group_id'] = self.uuid
try:
db_group = self._save_in_db(self._context, self.uuid, updates)
except exception.InstanceGroupNotFound:
db.instance_group_update(self._context, self.uuid, updates)
db_group = db.instance_group_get(self._context, self.uuid)
self._from_db_object(self._context, self, db_group)
compute_utils.notify_about_server_group_update(self._context, "update",
payload)
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.obj_get_changes()
payload = dict(updates)
updates.pop('id', None)
policies = updates.pop('policies', None)
members = updates.pop('members', None)
if 'uuid' not in updates:
self.uuid = uuidutils.generate_uuid()
updates['uuid'] = self.uuid
db_group = self._create_in_db(self._context,
updates,
policies=policies,
members=members)
self._from_db_object(self._context, self, db_group)
payload['server_group_id'] = self.uuid
compute_utils.notify_about_server_group_update(self._context, "create",
payload)
compute_utils.notify_about_server_group_action(
context=self._context,
group=self,
action=fields.NotificationAction.CREATE)
def add_members(cls, context, group_uuid, instance_uuids):
payload = {'server_group_id': group_uuid,
'instance_uuids': instance_uuids}
members = db.instance_group_members_add(context, group_uuid,
instance_uuids)
compute_utils.notify_about_server_group_update(context,
"addmember", payload)
return list(members)
def add_members(cls, context, group_uuid, instance_uuids):
payload = {'server_group_id': group_uuid,
'instance_uuids': instance_uuids}
members = db.instance_group_members_add(context, group_uuid,
instance_uuids)
compute_utils.notify_about_server_group_update(context,
"addmember", payload)
return list(members)
def destroy(self):
payload = {'server_group_id': self.uuid}
try:
self._destroy_in_db(self._context, self.uuid)
except exception.InstanceGroupNotFound:
db.instance_group_delete(self._context, self.uuid)
self.obj_reset_changes()
compute_utils.notify_about_server_group_update(self._context,
"delete", payload)
def destroy(self):
payload = {'server_group_id': self.uuid}
try:
self._destroy_in_db(self._context, self.uuid)
except exception.InstanceGroupNotFound:
db.instance_group_delete(self._context, self.uuid)
self.obj_reset_changes()
compute_utils.notify_about_server_group_update(self._context,
"delete", payload)
def add_members(cls, context, group_uuid, instance_uuids):
payload = {'server_group_id': group_uuid,
'instance_uuids': instance_uuids}
members = cls._add_members_in_db(context, group_uuid,
instance_uuids)
members = [member['instance_uuid'] for member in members]
compute_utils.notify_about_server_group_update(context,
"addmember", payload)
compute_utils.notify_about_server_group_add_member(context, group_uuid)
return list(members)
def destroy(self):
payload = {'server_group_id': self.uuid}
self._destroy_in_db(self._context, self.uuid)
self.obj_reset_changes()
compute_utils.notify_about_server_group_update(self._context, "delete",
payload)
compute_utils.notify_about_server_group_action(
context=self._context,
group=self,
action=fields.NotificationAction.DELETE)
def destroy(self):
payload = {'server_group_id': self.uuid}
self._destroy_in_db(self._context, self.uuid)
self.obj_reset_changes()
compute_utils.notify_about_server_group_update(self._context,
"delete", payload)
compute_utils.notify_about_server_group_action(
context=self._context,
group=self,
action=fields.NotificationAction.DELETE)
def add_members(cls, context, group_uuid, instance_uuids):
payload = {'server_group_id': group_uuid,
'instance_uuids': instance_uuids}
members = cls._add_members_in_db(context, group_uuid,
instance_uuids)
members = [member['instance_uuid'] for member in members]
compute_utils.notify_about_server_group_update(context,
"addmember", payload)
compute_utils.notify_about_server_group_add_member(context, group_uuid)
return list(members)
def add_members(cls, context, group_uuid, instance_uuids):
payload = {'server_group_id': group_uuid,
'instance_uuids': instance_uuids}
try:
members = cls._add_members_in_db(context, group_uuid,
instance_uuids)
members = [member['instance_uuid'] for member in members]
except exception.InstanceGroupNotFound:
members = db.instance_group_members_add(context, group_uuid,
instance_uuids)
compute_utils.notify_about_server_group_update(context,
"addmember", payload)
return list(members)
def add_members(cls, context, group_uuid, instance_uuids):
payload = {'server_group_id': group_uuid,
'instance_uuids': instance_uuids}
try:
members = cls._add_members_in_db(context, group_uuid,
instance_uuids)
members = [member['instance_uuid'] for member in members]
except exception.InstanceGroupNotFound:
members = db.instance_group_members_add(context, group_uuid,
instance_uuids)
compute_utils.notify_about_server_group_update(context,
"addmember", payload)
return list(members)
def save(self):
"""Save updates to this instance group."""
updates = self.obj_get_changes()
if not updates:
return
payload = dict(updates)
payload['server_group_id'] = self.uuid
db.instance_group_update(self._context, self.uuid, updates)
db_inst = db.instance_group_get(self._context, self.uuid)
self._from_db_object(self._context, self, db_inst)
compute_utils.notify_about_server_group_update(self._context,
"update", payload)
def save(self):
"""Save updates to this instance group."""
updates = self.obj_get_changes()
if not updates:
return
payload = dict(updates)
payload['server_group_id'] = self.uuid
db.instance_group_update(self._context, self.uuid, updates)
db_inst = db.instance_group_get(self._context, self.uuid)
self._from_db_object(self._context, self, db_inst)
compute_utils.notify_about_server_group_update(self._context, "update",
payload)
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.obj_get_changes()
payload = dict(updates)
updates.pop('id', None)
policies = updates.pop('policies', None)
members = updates.pop('members', None)
db_inst = db.instance_group_create(self._context, updates,
policies=policies,
members=members)
self._from_db_object(self._context, self, db_inst)
payload['server_group_id'] = self.uuid
compute_utils.notify_about_server_group_update(self._context,
"create", payload)
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.obj_get_changes()
payload = dict(updates)
updates.pop('id', None)
policies = updates.pop('policies', None)
members = updates.pop('members', None)
db_inst = db.instance_group_create(self._context, updates,
policies=policies,
members=members)
self._from_db_object(self._context, self, db_inst)
payload['server_group_id'] = self.uuid
compute_utils.notify_about_server_group_update(self._context,
"create", payload)
def destroy(self):
payload = {'server_group_id': self.uuid}
db.instance_group_delete(self._context, self.uuid)
self.obj_reset_changes()
compute_utils.notify_about_server_group_update(self._context, "delete",
payload)
def destroy(self):
payload = {'server_group_id': self.uuid}
db.instance_group_delete(self._context, self.uuid)
self.obj_reset_changes()
compute_utils.notify_about_server_group_update(self._context,
"delete", payload)
