def _delete_vnf_pre(self, context, vnf_id, force_delete=False):
with context.session.begin(subtransactions=True):
nss_db = context.session.query(ns_db.NS).filter(
ns_db.NS.vnf_ids.like("%" + vnf_id + "%")).first()
if not force_delete:
if (nss_db is not None and nss_db.status
not in [constants.PENDING_DELETE, constants.ERROR]):
raise vnfm.VNFInUse(vnf_id=vnf_id)
vnf_db = self._update_vnf_status_db(context, vnf_id,
_ACTIVE_UPDATE_ERROR_DEAD,
constants.PENDING_DELETE)
else:
vnf_db = self._update_vnf_status_db_no_check(
context, vnf_id, _ACTIVE_UPDATE_ERROR_DEAD,
constants.PENDING_DELETE)
deleted_vnf_db = self._make_vnf_dict(vnf_db)
details = "VNF delete initiated" if not force_delete else \
"VNF force delete initiated"
self._cos_db_plg.create_event(context,
res_id=vnf_id,
res_type=constants.RES_TYPE_VNF,
res_state=deleted_vnf_db['status'],
evt_type=constants.RES_EVT_DELETE,
tstamp=timeutils.utcnow(),
details=details)
return deleted_vnf_db
def _delete_vnf_pre(self, context, vnf_id, force_delete=False):
with context.session.begin(subtransactions=True):
nss_db = context.session.query(ns_db.NS).filter(
ns_db.NS.vnf_ids.like("%" + vnf_id + "%")).first()
if not force_delete:
# If vnf is deleted by NFVO, then vnf_id would
# exist in the nss_db otherwise it should be queried from
# vnf db table.
if nss_db is not None:
if nss_db.status not in [
constants.PENDING_DELETE, constants.ERROR
]:
raise vnfm.VNFInUse(vnf_id=vnf_id)
else:
vnf_db = self._get_vnf_db(context, vnf_id,
_ACTIVE_UPDATE_ERROR_DEAD)
if (vnf_db is not None
and vnf_db.status == constants.PENDING_CREATE):
raise vnfm.VNFInUse(
message="Operation on PENDING_CREATE VNF is not "
"permitted.")
vnf_db = self._update_vnf_status_db(
context,
vnf_id,
_ACTIVE_UPDATE_ERROR_DEAD,
constants.PENDING_DELETE,
vnf_db=vnf_db)
else:
vnf_db = self._update_vnf_status_db_no_check(
context, vnf_id, _ACTIVE_UPDATE_ERROR_DEAD,
constants.PENDING_DELETE)
deleted_vnf_db = self._make_vnf_dict(vnf_db)
details = "VNF delete initiated" if not force_delete else \
"VNF force delete initiated"
self._cos_db_plg.create_event(context,
res_id=vnf_id,
res_type=constants.RES_TYPE_VNF,
res_state=deleted_vnf_db['status'],
evt_type=constants.RES_EVT_DELETE,
tstamp=timeutils.utcnow(),
details=details)
return deleted_vnf_db
def check_vnf_status_legality(vnf_db, vnf_id):
if vnf_db.status == constants.PENDING_DELETE:
error_reason = _("Operation on PENDING_DELETE VNF "
"is not permited. Please contact your "
"Administrator.")
raise vnfm.VNFDeleteFailed(reason=error_reason)
if vnf_db.status == constants.PENDING_UPDATE:
raise vnfm.VNFInUse(vnf_id=vnf_id)
return True
def _get_vnf_db(self, context, vnf_id, current_statuses, new_status):
try:
vnf_db = (self._model_query(context, VNF).filter(
VNF.id == vnf_id).filter(VNF.status.in_(
current_statuses)).with_lockmode('update').one())
except orm_exc.NoResultFound:
raise vnfm.VNFNotFound(vnf_id=vnf_id)
if vnf_db.status == constants.PENDING_UPDATE:
raise vnfm.VNFInUse(vnf_id=vnf_id)
vnf_db.update({'status': new_status})
return vnf_db
def _get_vnf_db(self, context, vnf_id, current_statuses, new_status):
try:
vnf_db = (self._model_query(context, VNF).filter(
VNF.id == vnf_id).filter(VNF.status.in_(
current_statuses)).with_lockmode('update').one())
except orm_exc.NoResultFound:
raise vnfm.VNFNotFound(vnf_id=vnf_id)
if vnf_db.status == constants.PENDING_DELETE:
error_reason = _("Operation on PENDING_DELETE VNF "
"is not permited. Please contact your "
"Administrator.")
raise vnfm.VNFDeleteFailed(reason=error_reason)
if vnf_db.status == constants.PENDING_UPDATE:
raise vnfm.VNFInUse(vnf_id=vnf_id)
# TODO(dkushwaha): status check/update will be moved out from here.
vnf_db.update({'status': new_status})
return vnf_db
