if file_pkg:
file_pkg.close()
- def new_nsr(self, session, ns_request):
+ def new_nsr(self, rollback, session, ns_request):
"""
Creates a new nsr into database. It also creates needed vnfrs
+ :param rollback: list where this method appends created items at database in case a rollback may to be done
:param session: contains the used login username and working project
:param ns_request: params to be used for the nsr
:return: the _id of nsr descriptor stored at database
"""
- rollback = []
step = ""
try:
# look for nsr
member_vnf["vnfd-id-ref"], member_vnf["member-vnf-index"])
self._format_new_data(session, "vnfrs", vnfr_descriptor)
self.db.create("vnfrs", vnfr_descriptor)
- rollback.append({"session": session, "item": "vnfrs", "_id": vnfr_id, "force": True})
+ rollback.insert(0, {"item": "vnfrs", "_id": vnfr_id})
nsr_descriptor["constituent-vnfr-ref"].append(vnfr_id)
step = "creating nsr at database"
self._format_new_data(session, "nsrs", nsr_descriptor)
self.db.create("nsrs", nsr_descriptor)
+ rollback.insert(0, {"item": "nsrs", "_id": nsr_id})
return nsr_id
except Exception as e:
raise EngineException("Error {}: {}".format(step, e))
- for rollback_item in rollback:
- try:
- self.engine.del_item(**rollback)
- except Exception as e2:
- self.logger.error("Rollback Exception {}: {}".format(rollback, e2))
@staticmethod
def _update_descriptor(desc, kwargs):
raise EngineException(
"Invalid query string '{}'. Index '{}' out of range".format(k, kitem_old))
- def new_item(self, session, item, indata={}, kwargs=None, headers={}, force=False):
+ def new_item(self, rollback, 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 rollback: list where this method appends created items at database in case a rollback may to be done
:param session: contains the used login username and working project
:param item: it can be: users, projects, vim_accounts, sdns, nsrs, nsds, vnfds
:param indata: data to be inserted
if item == "nsrs":
# in this case the input descriptor is not the data to be stored
- return self.new_nsr(session, ns_request=content)
+ return self.new_nsr(rollback, session, ns_request=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)
_id = self.db.create(item, content)
+ rollback.insert(0, {"item": item, "_id": _id})
if item == "vim_accounts":
msg_data = self.db.get_one(item, {"_id": _id})
}
return nslcmop
- def ns_operation(self, session, nsInstanceId, operation, indata, kwargs=None):
+ def ns_operation(self, rollback, session, nsInstanceId, operation, indata, kwargs=None):
"""
Performs a new operation over a ns
+ :param rollback: list where this method appends created items at database in case a rollback may to be done
:param session: contains the used login username and working project
:param nsInstanceId: _id of the nsr to perform the operation
:param operation: it can be: instantiate, terminate, action, TODO: update, heal
nslcmop = self.new_nslcmop(session, nsInstanceId, operation, indata)
self._format_new_data(session, "nslcmops", nslcmop)
_id = self.db.create("nslcmops", nslcmop)
+ rollback.insert(0, {"item": "nslcmops", "_id": _id})
indata["_id"] = _id
self.msg.write("ns", operation, nslcmop)
return _id
_format = None
method = "DONE"
engine_item = None
- rollback = None
+ rollback = []
+ session = None
try:
if not topic or not version or not item:
raise NbiException("URL must contain at least 'topic/version/item'", HTTPStatus.METHOD_NOT_ALLOWED)
if item in ("ns_descriptors_content", "vnf_packages_content"):
_id = cherrypy.request.headers.get("Transaction-Id")
if not _id:
- _id = self.engine.new_item(session, engine_item, {}, None, cherrypy.request.headers,
+ _id = self.engine.new_item(rollback, session, engine_item, {}, None, cherrypy.request.headers,
force=force)
- rollback = {"session": session, "item": engine_item, "_id": _id, "force": True}
completed = self.engine.upload_content(session, engine_item, _id, indata, kwargs,
cherrypy.request.headers)
if completed:
cherrypy.response.headers["Transaction-Id"] = _id
outdata = {"id": _id}
elif item == "ns_instances_content":
- _id = self.engine.new_item(session, engine_item, indata, kwargs, force=force)
- rollback = {"session": session, "item": engine_item, "_id": _id, "force": True}
- self.engine.ns_operation(session, _id, "instantiate", {}, None)
+ _id = self.engine.new_item(rollback, session, engine_item, indata, kwargs, force=force)
+ self.engine.ns_operation(rollback, session, _id, "instantiate", {}, None)
self._set_location_header(topic, version, item, _id)
outdata = {"id": _id}
elif item == "ns_instances" and item2:
- _id = self.engine.ns_operation(session, _id, item2, indata, kwargs)
+ _id = self.engine.ns_operation(rollback, session, _id, item2, indata, kwargs)
self._set_location_header(topic, version, "ns_lcm_op_occs", _id)
outdata = {"id": _id}
cherrypy.response.status = HTTPStatus.ACCEPTED.value
else:
- _id = self.engine.new_item(session, engine_item, indata, kwargs, cherrypy.request.headers,
+ _id = self.engine.new_item(rollback, session, engine_item, indata, kwargs, cherrypy.request.headers,
force=force)
self._set_location_header(topic, version, item, _id)
outdata = {"id": _id}
cherrypy.response.status = HTTPStatus.OK.value
else: # len(args) > 1
if item == "ns_instances_content" and not force:
- opp_id = self.engine.ns_operation(session, _id, "terminate", {"autoremove": True}, None)
+ opp_id = self.engine.ns_operation(rollback, session, _id, "terminate", {"autoremove": True},
+ None)
outdata = {"_id": opp_id}
cherrypy.response.status = HTTPStatus.ACCEPTED.value
else:
cherrypy.response.status = e.http_code.value
if hasattr(outdata, "close"): # is an open file
outdata.close()
- if rollback:
+ for rollback_item in rollback:
try:
- self.engine.del_item(**rollback)
+ self.engine.del_item(**rollback_item, session=session, force=True)
except Exception as e2:
- cherrypy.log("Rollback Exception {}: {}".format(rollback, e2))
+ cherrypy.log("Rollback Exception {}: {}".format(rollback_item, e2))
error_text = str(e)
if isinstance(e, MsgException):
error_text = "{} has been '{}' but other modules cannot be informed because an error on bus".format(