clean_indata = clean_indata['userDefinedData']
return clean_indata
- def _validate_new_data(self, session, item, indata, id=None):
+ def _check_dependencies_on_descriptor(self, session, item, descriptor_id):
+ """
+ Check that the descriptor to be deleded is not a dependency of others
+ :param session: client session information
+ :param item: can be vnfds, nsds
+ :param descriptor_id: id of descriptor to be deleted
+ :return: None or raises exception
+ """
+ if item == "vnfds":
+ _filter = {"constituent-vnfd.ANYINDEX.vnfd-id-ref": descriptor_id}
+ if self.get_item_list(session, "nsds", _filter):
+ raise EngineException("There are nsd that depends on this VNFD", http_code=HTTPStatus.CONFLICT)
+ elif item == "nsds":
+ _filter = {"nsdId": descriptor_id}
+ if self.get_item_list(session, "nsrs", _filter):
+ raise EngineException("There are nsr that depends on this NSD", http_code=HTTPStatus.CONFLICT)
+
+ def _check_descriptor_dependencies(self, session, item, descriptor):
+ """
+ Check that the dependent descriptors exist on a new descriptor or edition
+ :param session: client session information
+ :param item: can be nsds, nsrs
+ :param descriptor: descriptor to be inserted or edit
+ :return: None or raises exception
+ """
+ if item == "nsds":
+ if not descriptor.get("constituent-vnfd"):
+ return
+ for vnf in descriptor["constituent-vnfd"]:
+ vnfd_id = vnf["vnfd-id-ref"]
+ if not self.get_item_list(session, "vnfds", {"id": vnfd_id}):
+ raise EngineException("Descriptor error at 'constituent-vnfd':'vnfd-id-ref'='{}' references a non "
+ "existing vnfd".format(vnfd_id), http_code=HTTPStatus.CONFLICT)
+ elif item == "nsrs":
+ if not descriptor.get("nsdId"):
+ return
+ nsd_id = descriptor["nsdId"]
+ if not self.get_item_list(session, "nsds", {"id": nsd_id}):
+ raise EngineException("Descriptor error at nsdId='{}' references a non exist nsd".format(nsd_id),
+ http_code=HTTPStatus.CONFLICT)
+
+ def _validate_new_data(self, session, item, indata, id=None, force=False):
if item == "users":
if not indata.get("username"):
raise EngineException("missing 'username'", HTTPStatus.UNPROCESSABLE_ENTITY)
HTTPStatus.CONFLICT)
# TODO validate with pyangbind
+ if item == "nsds" and not force:
+ self._check_descriptor_dependencies(session, "nsds", indata)
elif item == "userDefinedData":
# TODO validate userDefinedData is a keypair values
pass
raise EngineException("name '{}' already exists for {}".format(indata["name"], item),
HTTPStatus.CONFLICT)
+ def _check_ns_operation(self, session, nsr, operation, indata):
+ """
+ Check that user has enter right parameters for the operation
+ :param session:
+ :param operation: it can be: instantiate, terminate, action, TODO: update, heal
+ :param indata: descriptor with the parameters of the operation
+ :return: None
+ """
+ if operation == "action":
+ if indata.get("vnf_member_index"):
+ indata["member_vnf_index"] = indata.pop("vnf_member_index") # for backward compatibility
+ for vnf in nsr["nsd"]["constituent-vnfd"]:
+ if indata["member_vnf_index"] == vnf["member-vnf-index"]:
+ # TODO get vnfd, check primitives
+ break
+ else:
+ raise EngineException("Invalid parameter member_vnf_index='{}' is not one of the nsd "
+ "constituent-vnfd".format(indata["member_vnf_index"]))
+
def _format_new_data(self, session, item, indata):
now = time()
if not "_admin" in indata:
raise EngineException(
"Invalid query string '{}'. Index '{}' out of range".format(k, kitem_old))
- def new_item(self, session, item, indata={}, kwargs=None, headers={}):
+ def new_item(self, session, item, indata={}, kwargs=None, headers={}, force=False):
"""
Creates a new entry into database. For nsds and vnfds it creates an almost empty DISABLED entry,
that must be completed with a call to method upload_content
:param indata: data to be inserted
:param kwargs: used to override the indata descriptor
:param headers: http request headers
+ :param force: If True avoid some dependence checks
:return: _id: identity of the inserted data.
"""
# in this case the input descriptor is not the data to be stored
return self.new_nsr(session, ns_request=content)
- self._validate_new_data(session, item_envelop, content)
+ self._validate_new_data(session, item_envelop, content, force)
if item in ("nsds", "vnfds"):
content = {"_admin": {"userDefinedData": content}}
self._format_new_data(session, item, content)
except ValidationError as e:
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
- def new_nslcmop(self, session, nsInstanceId, action, params):
+ def new_nslcmop(self, session, nsInstanceId, operation, params):
now = time()
_id = str(uuid4())
nslcmop = {
"operationState": "PROCESSING", # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
"statusEnteredTime": now,
"nsInstanceId": nsInstanceId,
- "lcmOperationType": action,
+ "lcmOperationType": operation,
"startTime": now,
"isAutomaticInvocation": False,
"operationParams": params,
}
return nslcmop
- def ns_action(self, session, nsInstanceId, action, indata, kwargs=None):
+ def ns_operation(self, session, nsInstanceId, operation, indata, kwargs=None):
"""
- Performs a new action over a ns
+ Performs a new operation over a ns
:param session: contains the used login username and working project
- :param nsInstanceId: _id of the nsr to perform the action
- :param action: it can be: instantiate, terminate, action, TODO: update, heal
- :param indata: descriptor with the parameters of the action
+ :param nsInstanceId: _id of the nsr to perform the operation
+ :param operation: it can be: instantiate, terminate, action, TODO: update, heal
+ :param indata: descriptor with the parameters of the operation
:param kwargs: used to override the indata descriptor
:return: id of the nslcmops
"""
try:
# Override descriptor with query string kwargs
self._update_descriptor(indata, kwargs)
- validate_input(indata, "ns_" + action, new=True)
+ validate_input(indata, "ns_" + operation, new=True)
# get ns from nsr_id
nsr = self.get_item(session, "nsrs", nsInstanceId)
if not nsr["_admin"].get("nsState") or nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
- if action == "terminate" and indata.get("autoremove"):
+ if operation == "terminate" and indata.get("autoremove"):
# NSR must be deleted
return self.del_item(session, "nsrs", nsInstanceId)
- if action != "instantiate":
+ if operation != "instantiate":
raise EngineException("ns_instance '{}' cannot be '{}' because it is not instantiated".format(
- nsInstanceId, action), HTTPStatus.CONFLICT)
+ nsInstanceId, operation), HTTPStatus.CONFLICT)
else:
- if action == "instantiate" and not indata.get("force"):
+ if operation == "instantiate" and not indata.get("force"):
raise EngineException("ns_instance '{}' cannot be '{}' because it is already instantiated".format(
- nsInstanceId, action), HTTPStatus.CONFLICT)
+ nsInstanceId, operation), HTTPStatus.CONFLICT)
indata["nsInstanceId"] = nsInstanceId
- # TODO
- nslcmop = self.new_nslcmop(session, nsInstanceId, action, indata)
+ self._check_ns_operation(session, nsr, operation, indata)
+ nslcmop = self.new_nslcmop(session, nsInstanceId, operation, indata)
self._format_new_data(session, "nslcmops", nslcmop)
_id = self.db.create("nslcmops", nslcmop)
indata["_id"] = _id
- self.msg.write("ns", action, nslcmop)
+ self.msg.write("ns", operation, nslcmop)
return _id
except ValidationError as e:
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
def del_item(self, session, item, _id, force=False):
"""
- Get complete information on an items
+ Delete item by its internal id
:param session: contains the used login username and working project
:param item: it can be: users, projects, vnfds, nsds, ...
:param _id: server id of the item
# data = self.get_item(item, _id)
filter = {"_id": _id}
self._add_delete_filter(session, item, filter)
+ if item in ("vnfds", "nsds") and not force:
+ descriptor = self.get_item(session, item, _id)
+ descriptor_id = descriptor["id"]
+ self._check_dependencies_on_descriptor(session, item, descriptor_id)
if item == "nsrs":
nsr = self.db.get_one(item, filter)
if nsr["_admin"]["nsState"] == "INSTANTIATED" and not force:
raise EngineException("nsr '{}' cannot be deleted because it is in 'INSTANTIATED' state. "
- "Launch 'terminate' action first; or force deletion".format(_id),
+ "Launch 'terminate' operation first; or force deletion".format(_id),
http_code=HTTPStatus.CONFLICT)
v = self.db.del_one(item, {"_id": _id})
self.db.del_list("nslcmops", {"nsInstanceId": _id})
version["status"]), HTTPStatus.INTERNAL_SERVER_ERROR)
return
- def _edit_item(self, session, item, id, content, indata={}, kwargs=None):
+ def _edit_item(self, session, item, id, content, indata={}, kwargs=None, force=False):
if indata:
indata = self._remove_envelop(item, indata)
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
_deep_update(content, indata)
- self._validate_new_data(session, item, content, id)
+ self._validate_new_data(session, item, content, id, force)
# self._format_new_data(session, item, content)
self.db.replace(item, id, content)
if item in ("vim_accounts", "sdns"):
self.msg.write("sdn", "edit", indata)
return id
- def edit_item(self, session, item, _id, indata={}, kwargs=None):
+ def edit_item(self, session, item, _id, indata={}, kwargs=None, force=False):
"""
Update an existing entry at database
:param session: contains the used login username and working project
:param _id: identifier to be updated
:param indata: data to be inserted
:param kwargs: used to override the indata descriptor
+ :param force: If True avoid some dependence checks
:return: dictionary, raise exception if not found.
"""
content = self.get_item(session, item, _id)
- return self._edit_item(session, item, _id, content, indata, kwargs)
+ return self._edit_item(session, item, _id, content, indata, kwargs, force)