- @staticmethod
- def _remove_envelop(item, indata=None):
- """
- Obtain the useful data removing the envelop. It goes throw the vnfd or nsd catalog and returns the
- vnfd or nsd content
- :param item: can be vnfds, nsds, users, projects, userDefinedData (initial content of a vnfds, nsds
- :param indata: Content to be inspected
- :return: the useful part of indata
- """
- clean_indata = indata
- if not indata:
- return {}
- if item == "vnfds":
- if clean_indata.get('vnfd:vnfd-catalog'):
- clean_indata = clean_indata['vnfd:vnfd-catalog']
- elif clean_indata.get('vnfd-catalog'):
- clean_indata = clean_indata['vnfd-catalog']
- if clean_indata.get('vnfd'):
- if not isinstance(clean_indata['vnfd'], list) or len(clean_indata['vnfd']) != 1:
- raise EngineException("'vnfd' must be a list only one element")
- clean_indata = clean_indata['vnfd'][0]
- elif item == "nsds":
- if clean_indata.get('nsd:nsd-catalog'):
- clean_indata = clean_indata['nsd:nsd-catalog']
- elif clean_indata.get('nsd-catalog'):
- clean_indata = clean_indata['nsd-catalog']
- if clean_indata.get('nsd'):
- if not isinstance(clean_indata['nsd'], list) or len(clean_indata['nsd']) != 1:
- raise EngineException("'nsd' must be a list only one element")
- clean_indata = clean_indata['nsd'][0]
- elif item == "userDefinedData":
- if "userDefinedData" in indata:
- clean_indata = clean_indata['userDefinedData']
- return clean_indata
-
- def _check_project_dependencies(self, project_id):
- """
- Check if a project can be deleted
- :param session:
- :param _id:
- :return:
- """
- # TODO Is it needed to check descriptors _admin.project_read/project_write??
- _filter = {"projects": project_id}
- if self.db.get_list("users", _filter):
- raise EngineException("There are users that uses this project", http_code=HTTPStatus.CONFLICT)
-
- def _check_dependencies_on_descriptor(self, session, item, descriptor_id, _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 (provided by client) of descriptor to be deleted
- :param _id: internal 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)
- if self.get_item_list(session, "vnfrs", {"vnfd-id": _id}):
- raise EngineException("There are vnfr that depends on this VNFD", http_code=HTTPStatus.CONFLICT)
- elif item == "nsds":
- _filter = {"nsdId": _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 _check_edition(self, session, item, indata, id, force=False):
- if item == "users":
- if indata.get("projects"):
- if not session["admin"]:
- raise EngineException("Needed admin privileges to edit user projects", HTTPStatus.UNAUTHORIZED)
- if indata.get("password"):
- # regenerate salt and encrypt password
- salt = uuid4().hex
- indata["_admin"] = {"salt": salt}
- indata["password"] = sha256(indata["password"].encode('utf-8') + salt.encode('utf-8')).hexdigest()
-
- def _validate_new_data(self, session, item, indata, id=None, force=False):
- if item == "users":
- # check username not exists
- if not id and self.db.get_one(item, {"username": indata.get("username")}, fail_on_empty=False,
- fail_on_more=False):
- raise EngineException("username '{}' exists".format(indata["username"]), HTTPStatus.CONFLICT)
- # check projects
- if not force:
- for p in indata["projects"]:
- if p == "admin":
- continue
- if not self.db.get_one("projects", {"_id": p}, fail_on_empty=False, fail_on_more=False):
- raise EngineException("project '{}' does not exists".format(p), HTTPStatus.CONFLICT)
- elif item == "projects":
- if not indata.get("name"):
- raise EngineException("missing 'name'")
- # check name not exists
- if not id and self.db.get_one(item, {"name": indata.get("name")}, fail_on_empty=False, fail_on_more=False):
- raise EngineException("name '{}' exists".format(indata["name"]), HTTPStatus.CONFLICT)
- elif item in ("vnfds", "nsds"):
- filter = {"id": indata["id"]}
- if id:
- filter["_id.neq"] = id
- # TODO add admin to filter, validate rights
- self._add_read_filter(session, item, filter)
- if self.db.get_one(item, filter, fail_on_empty=False):
- raise EngineException("{} with id '{}' already exists for this tenant".format(item[:-1], indata["id"]),
- HTTPStatus.CONFLICT)
- # TODO validate with pyangbind. Load and dumps to convert data types
- if item == "nsds":
- # transform constituent-vnfd:member-vnf-index to string
- if indata.get("constituent-vnfd"):
- for constituent_vnfd in indata["constituent-vnfd"]:
- if "member-vnf-index" in constituent_vnfd:
- constituent_vnfd["member-vnf-index"] = str(constituent_vnfd["member-vnf-index"])
-
- if item == "nsds" and not force:
- self._check_descriptor_dependencies(session, "nsds", indata)
- elif item == "userDefinedData":
- # TODO validate userDefinedData is a keypair values
- pass
-
- elif item == "nsrs":
- pass
- elif item == "vim_accounts" or item == "sdns":
- filter = {"name": indata.get("name")}
- if id:
- filter["_id.neq"] = id
- if self.db.get_one(item, filter, fail_on_empty=False, fail_on_more=False):
- 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
- """
- vnfds = {}
- vim_accounts = []
- nsd = nsr["nsd"]
-
- def check_valid_vnf_member_index(member_vnf_index):
- for vnf in nsd["constituent-vnfd"]:
- if member_vnf_index == vnf["member-vnf-index"]:
- vnfd_id = vnf["vnfd-id-ref"]
- if vnfd_id not in vnfds:
- vnfds[vnfd_id] = self.db.get_one("vnfds", {"id": vnfd_id})
- return vnfds[vnfd_id]
- else:
- raise EngineException("Invalid parameter member_vnf_index='{}' is not one of the "
- "nsd:constituent-vnfd".format(member_vnf_index))
-
- def check_valid_vim_account(vim_account):
- if vim_account in vim_accounts:
- return
- try:
- self.db.get_one("vim_accounts", {"_id": vim_account})
- except Exception:
- raise EngineException("Invalid vimAccountId='{}' not present".format(vim_account))
- vim_accounts.append(vim_account)
-
- if operation == "action":
- # check vnf_member_index
- if indata.get("vnf_member_index"):
- indata["member_vnf_index"] = indata.pop("vnf_member_index") # for backward compatibility
- if not indata.get("member_vnf_index"):
- raise EngineException("Missing 'member_vnf_index' parameter")
- vnfd = check_valid_vnf_member_index(indata["member_vnf_index"])
- # check primitive
- for config_primitive in get_iterable(vnfd.get("vnf-configuration", {}).get("config-primitive")):
- if indata["primitive"] == config_primitive["name"]:
- # check needed primitive_params are provided
- if indata.get("primitive_params"):
- in_primitive_params_copy = copy(indata["primitive_params"])
- else:
- in_primitive_params_copy = {}
- for paramd in get_iterable(config_primitive.get("parameter")):
- if paramd["name"] in in_primitive_params_copy:
- del in_primitive_params_copy[paramd["name"]]
- elif not paramd.get("default-value"):
- raise EngineException("Needed parameter {} not provided for primitive '{}'".format(
- paramd["name"], indata["primitive"]))
- # check no extra primitive params are provided
- if in_primitive_params_copy:
- raise EngineException("parameter/s '{}' not present at vnfd for primitive '{}'".format(
- list(in_primitive_params_copy.keys()), indata["primitive"]))
- break
- else:
- raise EngineException("Invalid primitive '{}' is not present at vnfd".format(indata["primitive"]))
- if operation == "scale":
- vnfd = check_valid_vnf_member_index(indata["scaleVnfData"]["scaleByStepData"]["member-vnf-index"])
- for scaling_group in get_iterable(vnfd.get("scaling-group-descriptor")):
- if indata["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"] == scaling_group["name"]:
- break
- else:
- raise EngineException("Invalid scaleVnfData:scaleByStepData:scaling-group-descriptor '{}' is not "
- "present at vnfd:scaling-group-descriptor".format(
- indata["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]))
- if operation == "instantiate":
- # check vim_account
- check_valid_vim_account(indata["vimAccountId"])
- for in_vnf in get_iterable(indata.get("vnf")):
- vnfd = check_valid_vnf_member_index(in_vnf["member-vnf-index"])
- if in_vnf.get("vimAccountId"):
- check_valid_vim_account(in_vnf["vimAccountId"])
- for in_vdu in get_iterable(in_vnf.get("vdu")):
- for vdud in get_iterable(vnfd.get("vdu")):
- if vdud["id"] == in_vdu["id"]:
- for volume in get_iterable(in_vdu.get("volume")):
- for volumed in get_iterable(vdud.get("volumes")):
- if volumed["name"] == volume["name"]:
- break
- else:
- raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}']:"
- "volume:name='{}' is not present at vnfd:vdu:volumes list".
- format(in_vnf["member-vnf-index"], in_vdu["id"],
- volume["name"]))
- break
- else:
- raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu:id='{}' is not "
- "present at vnfd".format(in_vnf["member-vnf-index"], in_vdu["id"]))
-
- for in_internal_vld in get_iterable(in_vnf.get("internal-vld")):
- for internal_vldd in get_iterable(vnfd.get("internal-vld")):
- if in_internal_vld["name"] == internal_vldd["name"] or \
- in_internal_vld["name"] == internal_vldd["id"]:
- break
- else:
- raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:internal-vld:name='{}'"
- " is not present at vnfd '{}'".format(in_vnf["member-vnf-index"],
- in_internal_vld["name"],
- vnfd["id"]))
- for in_vld in get_iterable(indata.get("vld")):
- for vldd in get_iterable(nsd.get("vld")):
- if in_vld["name"] == vldd["name"] or in_vld["name"] == vldd["id"]:
- break
- else:
- raise EngineException("Invalid parameter vld:name='{}' is not present at nsd:vld".format(
- in_vld["name"]))
-
- def _format_new_data(self, session, item, indata):
- now = time()
- if "_admin" not in indata:
- indata["_admin"] = {}
- indata["_admin"]["created"] = now
- indata["_admin"]["modified"] = now
- if item == "users":
- indata["_id"] = indata["username"]
- salt = uuid4().hex
- indata["_admin"]["salt"] = salt
- indata["password"] = sha256(indata["password"].encode('utf-8') + salt.encode('utf-8')).hexdigest()
- elif item == "projects":
- indata["_id"] = indata["name"]
- else:
- if not indata.get("_id"):
- indata["_id"] = str(uuid4())
- if item in ("vnfds", "nsds", "nsrs", "vnfrs"):
- if not indata["_admin"].get("projects_read"):
- indata["_admin"]["projects_read"] = [session["project_id"]]
- if not indata["_admin"].get("projects_write"):
- indata["_admin"]["projects_write"] = [session["project_id"]]
- if item in ("vnfds", "nsds"):
- indata["_admin"]["onboardingState"] = "CREATED"
- indata["_admin"]["operationalState"] = "DISABLED"
- indata["_admin"]["usageSate"] = "NOT_IN_USE"
- if item == "nsrs":
- indata["_admin"]["nsState"] = "NOT_INSTANTIATED"
- if item in ("vim_accounts", "sdns"):
- indata["_admin"]["operationalState"] = "PROCESSING"
-
- def upload_content(self, session, item, _id, indata, kwargs, headers):
- """
- Used for receiving content by chunks (with a transaction_id header and/or gzip file. It will store and extract)
- :param session: session
- :param item: can be nsds or vnfds
- :param _id : the nsd,vnfd is already created, this is the id
- :param indata: http body request
- :param kwargs: user query string to override parameters. NOT USED
- :param headers: http request headers
- :return: True package has is completely uploaded or False if partial content has been uplodaed.
- Raise exception on error
- """
- # Check that _id exists and it is valid
- current_desc = self.get_item(session, item, _id)
-
- content_range_text = headers.get("Content-Range")
- expected_md5 = headers.get("Content-File-MD5")
- compressed = None
- content_type = headers.get("Content-Type")
- if content_type and "application/gzip" in content_type or "application/x-gzip" in content_type or \
- "application/zip" in content_type:
- compressed = "gzip"
- filename = headers.get("Content-Filename")
- if not filename:
- filename = "package.tar.gz" if compressed else "package"
- # TODO change to Content-Disposition filename https://tools.ietf.org/html/rfc6266
- file_pkg = None
- error_text = ""
- try:
- if content_range_text:
- content_range = content_range_text.replace("-", " ").replace("/", " ").split()
- if content_range[0] != "bytes": # TODO check x<y not negative < total....
- raise IndexError()
- start = int(content_range[1])
- end = int(content_range[2]) + 1
- total = int(content_range[3])
- else:
- start = 0
-
- if start:
- if not self.fs.file_exists(_id, 'dir'):
- raise EngineException("invalid Transaction-Id header", HTTPStatus.NOT_FOUND)
- else:
- self.fs.file_delete(_id, ignore_non_exist=True)
- self.fs.mkdir(_id)
-
- storage = self.fs.get_params()
- storage["folder"] = _id
-
- file_path = (_id, filename)
- if self.fs.file_exists(file_path, 'file'):
- file_size = self.fs.file_size(file_path)
- else:
- file_size = 0
- if file_size != start:
- raise EngineException("invalid Content-Range start sequence, expected '{}' but received '{}'".format(
- file_size, start), HTTPStatus.REQUESTED_RANGE_NOT_SATISFIABLE)
- file_pkg = self.fs.file_open(file_path, 'a+b')
- if isinstance(indata, dict):
- indata_text = yaml.safe_dump(indata, indent=4, default_flow_style=False)
- file_pkg.write(indata_text.encode(encoding="utf-8"))
- else:
- indata_len = 0
- while True:
- indata_text = indata.read(4096)
- indata_len += len(indata_text)
- if not indata_text:
- break
- file_pkg.write(indata_text)
- if content_range_text:
- if indata_len != end-start:
- raise EngineException("Mismatch between Content-Range header {}-{} and body length of {}".format(
- start, end-1, indata_len), HTTPStatus.REQUESTED_RANGE_NOT_SATISFIABLE)
- if end != total:
- # TODO update to UPLOADING
- return False
-
- # PACKAGE UPLOADED
- if expected_md5:
- file_pkg.seek(0, 0)
- file_md5 = md5()
- chunk_data = file_pkg.read(1024)
- while chunk_data:
- file_md5.update(chunk_data)
- chunk_data = file_pkg.read(1024)
- if expected_md5 != file_md5.hexdigest():
- raise EngineException("Error, MD5 mismatch", HTTPStatus.CONFLICT)
- file_pkg.seek(0, 0)
- if compressed == "gzip":
- tar = tarfile.open(mode='r', fileobj=file_pkg)
- descriptor_file_name = None
- for tarinfo in tar:
- tarname = tarinfo.name
- tarname_path = tarname.split("/")
- if not tarname_path[0] or ".." in tarname_path: # if start with "/" means absolute path
- raise EngineException("Absolute path or '..' are not allowed for package descriptor tar.gz")
- if len(tarname_path) == 1 and not tarinfo.isdir():
- raise EngineException("All files must be inside a dir for package descriptor tar.gz")
- if tarname.endswith(".yaml") or tarname.endswith(".json") or tarname.endswith(".yml"):
- storage["pkg-dir"] = tarname_path[0]
- if len(tarname_path) == 2:
- if descriptor_file_name:
- raise EngineException(
- "Found more than one descriptor file at package descriptor tar.gz")
- descriptor_file_name = tarname
- if not descriptor_file_name:
- raise EngineException("Not found any descriptor file at package descriptor tar.gz")
- storage["descriptor"] = descriptor_file_name
- storage["zipfile"] = filename
- self.fs.file_extract(tar, _id)
- with self.fs.file_open((_id, descriptor_file_name), "r") as descriptor_file:
- content = descriptor_file.read()
- else:
- content = file_pkg.read()
- storage["descriptor"] = descriptor_file_name = filename
-
- if descriptor_file_name.endswith(".json"):
- error_text = "Invalid json format "
- indata = json.load(content)
- else:
- error_text = "Invalid yaml format "
- indata = yaml.load(content)
-
- current_desc["_admin"]["storage"] = storage
- current_desc["_admin"]["onboardingState"] = "ONBOARDED"
- current_desc["_admin"]["operationalState"] = "ENABLED"
-
- self._edit_item(session, item, _id, current_desc, indata, kwargs)
- # TODO if descriptor has changed because kwargs update content and remove cached zip
- # TODO if zip is not present creates one
- return True
-
- except EngineException:
- raise
- except IndexError:
- raise EngineException("invalid Content-Range header format. Expected 'bytes start-end/total'",
- HTTPStatus.REQUESTED_RANGE_NOT_SATISFIABLE)
- except IOError as e:
- raise EngineException("invalid upload transaction sequence: '{}'".format(e), HTTPStatus.BAD_REQUEST)
- except tarfile.ReadError as e:
- raise EngineException("invalid file content {}".format(e), HTTPStatus.BAD_REQUEST)
- except (ValueError, yaml.YAMLError) as e:
- raise EngineException(error_text + str(e))
- finally:
- if file_pkg:
- file_pkg.close()
-
- 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_index = len(rollback)
- step = ""
- try:
- # look for nsr
- step = "getting nsd id='{}' from database".format(ns_request.get("nsdId"))
- nsd = self.get_item(session, "nsds", ns_request["nsdId"])
- nsr_id = str(uuid4())
- now = time()
- step = "filling nsr from input data"
- nsr_descriptor = {
- "name": ns_request["nsName"],
- "name-ref": ns_request["nsName"],
- "short-name": ns_request["nsName"],
- "admin-status": "ENABLED",
- "nsd": nsd,
- "datacenter": ns_request["vimAccountId"],
- "resource-orchestrator": "osmopenmano",
- "description": ns_request.get("nsDescription", ""),
- "constituent-vnfr-ref": [],
-
- "operational-status": "init", # typedef ns-operational-
- "config-status": "init", # typedef config-states
- "detailed-status": "scheduled",
-
- "orchestration-progress": {},
- # {"networks": {"active": 0, "total": 0}, "vms": {"active": 0, "total": 0}},
-
- "create-time": now,
- "nsd-name-ref": nsd["name"],
- "operational-events": [], # "id", "timestamp", "description", "event",
- "nsd-ref": nsd["id"],
- "nsdId": nsd["_id"],
- "instantiate_params": ns_request,
- "ns-instance-config-ref": nsr_id,
- "id": nsr_id,
- "_id": nsr_id,
- # "input-parameter": xpath, value,
- "ssh-authorized-key": ns_request.get("key-pair-ref"),
- }
- ns_request["nsr_id"] = nsr_id
-
- # Create VNFR
- needed_vnfds = {}
- for member_vnf in nsd["constituent-vnfd"]:
- vnfd_id = member_vnf["vnfd-id-ref"]
- step = "getting vnfd id='{}' constituent-vnfd='{}' from database".format(
- member_vnf["vnfd-id-ref"], member_vnf["member-vnf-index"])
- if vnfd_id not in needed_vnfds:
- # Obtain vnfd
- vnf_filter = {"id": vnfd_id}
- self._add_read_filter(session, "vnfds", vnf_filter)
- vnfd = self.db.get_one("vnfds", vnf_filter)
- vnfd.pop("_admin")
- needed_vnfds[vnfd_id] = vnfd
- else:
- vnfd = needed_vnfds[vnfd_id]
- step = "filling vnfr vnfd-id='{}' constituent-vnfd='{}'".format(
- member_vnf["vnfd-id-ref"], member_vnf["member-vnf-index"])
- vnfr_id = str(uuid4())
- vnfr_descriptor = {
- "id": vnfr_id,
- "_id": vnfr_id,
- "nsr-id-ref": nsr_id,
- "member-vnf-index-ref": member_vnf["member-vnf-index"],
- "created-time": now,
- # "vnfd": vnfd, # at OSM model.but removed to avoid data duplication TODO: revise
- "vnfd-ref": vnfd_id,
- "vnfd-id": vnfd["_id"], # not at OSM model, but useful
- "vim-account-id": None,
- "vdur": [],
- "connection-point": [],
- "ip-address": None, # mgmt-interface filled by LCM
- }
- for cp in vnfd.get("connection-point", ()):
- vnf_cp = {
- "name": cp["name"],
- "connection-point-id": cp.get("id"),
- "id": cp.get("id"),
- # "ip-address", "mac-address" # filled by LCM
- # vim-id # TODO it would be nice having a vim port id
- }
- vnfr_descriptor["connection-point"].append(vnf_cp)
- for vdu in vnfd["vdu"]:
- vdur_id = str(uuid4())
- vdur = {
- "id": vdur_id,
- "vdu-id-ref": vdu["id"],
- # TODO "name": "" Name of the VDU in the VIM
- "ip-address": None, # mgmt-interface filled by LCM
- # "vim-id", "flavor-id", "image-id", "management-ip" # filled by LCM
- "internal-connection-point": [],
- "interfaces": [],
- }
- # TODO volumes: name, volume-id
- for icp in vdu.get("internal-connection-point", ()):
- vdu_icp = {
- "id": icp["id"],
- "connection-point-id": icp["id"],
- "name": icp.get("name"),
- # "ip-address", "mac-address" # filled by LCM
- # vim-id # TODO it would be nice having a vim port id
- }
- vdur["internal-connection-point"].append(vdu_icp)
- for iface in vdu.get("interface", ()):
- vdu_iface = {
- "name": iface.get("name"),
- # "ip-address", "mac-address" # filled by LCM
- # vim-id # TODO it would be nice having a vim port id
- }
- vdur["interfaces"].append(vdu_iface)
- vnfr_descriptor["vdur"].append(vdur)
-
- step = "creating vnfr vnfd-id='{}' constituent-vnfd='{}' at database".format(
- 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.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(rollback_index, {"item": "nsrs", "_id": nsr_id})
- return nsr_id
- except Exception as e:
- raise EngineException("Error {}: {}".format(step, e))
-
- @staticmethod
- def _update_descriptor(desc, kwargs):
- """
- Update descriptor with the kwargs. It contains dot separated keys
- :param desc: dictionary to be updated
- :param kwargs: plain dictionary to be used for updating.
- :return:
- """
- if not kwargs:
- return
- try:
- for k, v in kwargs.items():
- update_content = desc
- kitem_old = None
- klist = k.split(".")
- for kitem in klist:
- if kitem_old is not None:
- update_content = update_content[kitem_old]
- if isinstance(update_content, dict):
- kitem_old = kitem
- elif isinstance(update_content, list):
- kitem_old = int(kitem)
- else:
- raise EngineException(
- "Invalid query string '{}'. Descriptor is not a list nor dict at '{}'".format(k, kitem))
- update_content[kitem_old] = v
- except KeyError:
- raise EngineException(
- "Invalid query string '{}'. Descriptor does not contain '{}'".format(k, kitem_old))
- except ValueError:
- raise EngineException("Invalid query string '{}'. Expected integer index list instead of '{}'".format(
- k, kitem))
- except IndexError:
- raise EngineException(
- "Invalid query string '{}'. Index '{}' out of range".format(k, kitem_old))
-
- def new_item(self, rollback, session, item, indata={}, kwargs=None, headers={}, force=False):