from copy import copy, deepcopy
from validation import validate_input, ValidationError, ns_instantiate, ns_action, ns_scale, nsi_instantiate
from base_topic import BaseTopic, EngineException, get_iterable
-from descriptor_topics import DescriptorTopic
+# from descriptor_topics import DescriptorTopic
+from yaml import safe_dump
+from osm_common.dbbase import DbException
+from re import match # For checking that additional parameter names are valid Jinja2 identifiers
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
BaseTopic.format_on_new(content, project_id=project_id, make_public=make_public)
content["_admin"]["nsState"] = "NOT_INSTANTIATED"
- def check_conflict_on_del(self, session, _id, force=False):
- if force:
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check that NSR is not instantiated
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: nsr internal id
+ :param db_content: The database content of the nsr
+ :return: None or raises EngineException with the conflict
+ """
+ if session["force"]:
return
- nsr = self.db.get_one("nsrs", {"_id": _id})
+ nsr = db_content
if nsr["_admin"].get("nsState") == "INSTANTIATED":
raise EngineException("nsr '{}' cannot be deleted because it is in 'INSTANTIATED' state. "
"Launch 'terminate' operation first; or force deletion".format(_id),
http_code=HTTPStatus.CONFLICT)
- def delete(self, session, _id, force=False, dry_run=False):
+ def delete_extra(self, session, _id, db_content):
"""
- Delete item by its internal _id
- :param session: contains the used login username, working project, and admin rights
+ Deletes associated nslcmops and vnfrs from database. Deletes associated filesystem.
+ Set usageState of pdu, vnfd, nsd
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param _id: server internal id
- :param force: indicates if deletion must be forced in case of conflict
- :param dry_run: make checking but do not delete
- :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ :param db_content: The database content of the descriptor
+ :return: None if ok or raises EngineException with the problem
"""
- # TODO add admin to filter, validate rights
- BaseTopic.delete(self, session, _id, force, dry_run=True)
- if dry_run:
- return
-
- v = self.db.del_one("nsrs", {"_id": _id})
+ self.fs.file_delete(_id, ignore_non_exist=True)
self.db.del_list("nslcmops", {"nsInstanceId": _id})
self.db.del_list("vnfrs", {"nsr-id-ref": _id})
+
# set all used pdus as free
self.db.set_list("pdus", {"_admin.usage.nsr_id": _id},
{"_admin.usageState": "NOT_IN_USE", "_admin.usage": None})
- self._send_msg("deleted", {"_id": _id})
- return v
- def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
+ # Set NSD usageState
+ nsr = db_content
+ used_nsd_id = nsr.get("nsd-id")
+ if used_nsd_id:
+ # check if used by another NSR
+ nsrs_list = self.db.get_one("nsrs", {"nsd-id": used_nsd_id},
+ fail_on_empty=False, fail_on_more=False)
+ if not nsrs_list:
+ self.db.set_one("nsds", {"_id": used_nsd_id}, {"_admin.usageState": "NOT_IN_USE"})
+
+ # Set VNFD usageState
+ used_vnfd_id_list = nsr.get("vnfd-id")
+ if used_vnfd_id_list:
+ for used_vnfd_id in used_vnfd_id_list:
+ # check if used by another NSR
+ nsrs_list = self.db.get_one("nsrs", {"vnfd-id": used_vnfd_id},
+ fail_on_empty=False, fail_on_more=False)
+ if not nsrs_list:
+ self.db.set_one("vnfds", {"_id": used_vnfd_id}, {"_admin.usageState": "NOT_IN_USE"})
+
+ @staticmethod
+ def _format_ns_request(ns_request):
+ formated_request = copy(ns_request)
+ formated_request.pop("additionalParamsForNs", None)
+ formated_request.pop("additionalParamsForVnf", None)
+ return formated_request
+
+ @staticmethod
+ def _format_addional_params(ns_request, member_vnf_index=None, descriptor=None):
+ """
+ Get and format user additional params for NS or VNF
+ :param ns_request: User instantiation additional parameters
+ :param member_vnf_index: None for extract NS params, or member_vnf_index to extract VNF params
+ :param descriptor: If not None it check that needed parameters of descriptor are supplied
+ :return: a formated copy of additional params or None if not supplied
+ """
+ additional_params = None
+ if not member_vnf_index:
+ additional_params = copy(ns_request.get("additionalParamsForNs"))
+ where_ = "additionalParamsForNs"
+ elif ns_request.get("additionalParamsForVnf"):
+ for additionalParamsForVnf in get_iterable(ns_request.get("additionalParamsForVnf")):
+ if additionalParamsForVnf["member-vnf-index"] == member_vnf_index:
+ additional_params = copy(additionalParamsForVnf.get("additionalParams"))
+ where_ = "additionalParamsForVnf[member-vnf-index={}]".format(
+ additionalParamsForVnf["member-vnf-index"])
+ break
+ if additional_params:
+ for k, v in additional_params.items():
+ # BEGIN Check that additional parameter names are valid Jinja2 identifiers
+ if not match('^[a-zA-Z_][a-zA-Z0-9_]*$', k):
+ raise EngineException("Invalid param name at {}:{}. Must contain only alphanumeric characters "
+ "and underscores, and cannot start with a digit"
+ .format(where_, k))
+ # END Check that additional parameter names are valid Jinja2 identifiers
+ if not isinstance(k, str):
+ raise EngineException("Invalid param at {}:{}. Only string keys are allowed".format(where_, k))
+ if "." in k or "$" in k:
+ raise EngineException("Invalid param at {}:{}. Keys must not contain dots or $".format(where_, k))
+ if isinstance(v, (dict, tuple, list)):
+ additional_params[k] = "!!yaml " + safe_dump(v)
+
+ if descriptor:
+ # check that enough parameters are supplied for the initial-config-primitive
+ # TODO: check for cloud-init
+ if member_vnf_index:
+ if descriptor.get("vnf-configuration"):
+ for initial_primitive in get_iterable(
+ descriptor["vnf-configuration"].get("initial-config-primitive")):
+ for param in get_iterable(initial_primitive.get("parameter")):
+ if param["value"].startswith("<") and param["value"].endswith(">"):
+ if param["value"] in ("<rw_mgmt_ip>", "<VDU_SCALE_INFO>"):
+ continue
+ if not additional_params or param["value"][1:-1] not in additional_params:
+ raise EngineException("Parameter '{}' needed for vnfd[id={}]:vnf-configuration:"
+ "initial-config-primitive[name={}] not supplied".
+ format(param["value"], descriptor["id"],
+ initial_primitive["name"]))
+
+ return additional_params
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
"""
Creates a new nsr into database. It also creates needed vnfrs
:param rollback: list to append the created items at database in case a rollback must be done
- :param session: contains the used login username and working project
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param indata: params to be used for the nsr
:param kwargs: used to override the indata descriptor
:param headers: http request headers
- :param force: If True avoid some dependence checks
- :param make_public: Make the created item public to all projects
:return: the _id of nsr descriptor created at database
"""
ns_request = self._remove_envelop(indata)
# Override descriptor with query string kwargs
self._update_input_with_kwargs(ns_request, kwargs)
- self._validate_input_new(ns_request, force)
+ self._validate_input_new(ns_request, session["force"])
- step = ""
# look for nsr
step = "getting nsd id='{}' from database".format(ns_request.get("nsdId"))
- _filter = {"_id": ns_request["nsdId"]}
- _filter.update(BaseTopic._get_project_filter(session, write=False, show_all=True))
+ _filter = self._get_project_filter(session)
+ _filter["_id"] = ns_request["nsdId"]
nsd = self.db.get_one("nsds", _filter)
+ del _filter["_id"]
nsr_id = str(uuid4())
+
now = time()
step = "filling nsr from input data"
nsr_descriptor = {
"orchestration-progress": {},
# {"networks": {"active": 0, "total": 0}, "vms": {"active": 0, "total": 0}},
- "crete-time": now,
+ "create-time": now,
"nsd-name-ref": nsd["name"],
"operational-events": [], # "id", "timestamp", "description", "event",
"nsd-ref": nsd["id"],
- "instantiate_params": ns_request,
+ "nsd-id": nsd["_id"],
+ "vnfd-id": [],
+ "instantiate_params": self._format_ns_request(ns_request),
+ "additionalParamsForNs": self._format_addional_params(ns_request),
"ns-instance-config-ref": nsr_id,
"id": nsr_id,
"_id": nsr_id,
member_vnf["vnfd-id-ref"], member_vnf["member-vnf-index"])
if vnfd_id not in needed_vnfds:
# Obtain vnfd
- vnfd = DescriptorTopic.get_one_by_id(self.db, session, "vnfds", vnfd_id)
+ _filter["id"] = vnfd_id
+ vnfd = self.db.get_one("vnfds", _filter, fail_on_empty=True, fail_on_more=True)
+ del _filter["id"]
vnfd.pop("_admin")
needed_vnfds[vnfd_id] = vnfd
+ nsr_descriptor["vnfd-id"].append(vnfd["_id"])
else:
vnfd = needed_vnfds[vnfd_id]
step = "filling vnfr vnfd-id='{}' constituent-vnfd='{}'".format(
"_id": vnfr_id,
"nsr-id-ref": nsr_id,
"member-vnf-index-ref": member_vnf["member-vnf-index"],
+ "additionalParamsForVnf": self._format_addional_params(ns_request, member_vnf["member-vnf-index"],
+ vnfd),
"created-time": now,
# "vnfd": vnfd, # at OSM model.but removed to avoid data duplication TODO: revise
"vnfd-ref": vnfd_id,
member_vnf["vnfd-id-ref"], member_vnf["member-vnf-index"])
# add at database
- BaseTopic.format_on_new(vnfr_descriptor, session["project_id"], make_public=make_public)
+ BaseTopic.format_on_new(vnfr_descriptor, session["project_id"], make_public=session["public"])
self.db.create("vnfrs", vnfr_descriptor)
rollback.append({"topic": "vnfrs", "_id": vnfr_id})
nsr_descriptor["constituent-vnfr-ref"].append(vnfr_id)
step = "creating nsr at database"
- self.format_on_new(nsr_descriptor, session["project_id"], make_public=make_public)
+ self.format_on_new(nsr_descriptor, session["project_id"], make_public=session["public"])
self.db.create("nsrs", nsr_descriptor)
rollback.append({"topic": "nsrs", "_id": nsr_id})
+
+ step = "creating nsr temporal folder"
+ self.fs.mkdir(nsr_id)
+
return nsr_id
except Exception as e:
self.logger.exception("Exception {} at NsrTopic.new()".format(e), exc_info=True)
except ValidationError as e:
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
- def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
- def delete(self, session, _id, force=False, dry_run=False):
+ def delete(self, session, _id, dry_run=False):
raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
- def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
- def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
# Not used because vnfrs are created and deleted by NsrTopic class directly
raise EngineException("Method new called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
def _check_ns_operation(self, session, nsr, operation, indata):
"""
Check that user has enter right parameters for the operation
- :param session:
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
: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 = []
+ wim_accounts = []
nsd = nsr["nsd"]
def check_valid_vnf_member_index(member_vnf_index):
if vim_account in vim_accounts:
return
try:
- db_filter = self._get_project_filter(session, write=False, show_all=True)
+ db_filter = self._get_project_filter(session)
db_filter["_id"] = vim_account
self.db.get_one("vim_accounts", db_filter)
except Exception:
raise EngineException("Invalid vimAccountId='{}' not present for the project".format(vim_account))
vim_accounts.append(vim_account)
+ def check_valid_wim_account(wim_account):
+ if not isinstance(wim_account, str):
+ return
+ elif wim_account in wim_accounts:
+ return
+ try:
+ db_filter = self._get_project_filter(session, write=False, show_all=True)
+ db_filter["_id"] = wim_account
+ self.db.get_one("wim_accounts", db_filter)
+ except Exception:
+ raise EngineException("Invalid wimAccountId='{}' not present for the project".format(wim_account))
+ wim_accounts.append(wim_account)
+
if operation == "action":
# check vnf_member_index
if indata.get("vnf_member_index"):
if operation == "instantiate":
# check vim_account
check_valid_vim_account(indata["vimAccountId"])
+ check_valid_wim_account(indata.get("wimAccountId"))
for in_vnf in get_iterable(indata.get("vnf")):
vnfd = check_valid_vnf_member_index(in_vnf["member-vnf-index"])
_check_vnf_instantiation_params(in_vnf, vnfd)
check_valid_vim_account(in_vnf["vimAccountId"])
for in_vld in get_iterable(indata.get("vld")):
+ check_valid_wim_account(in_vld.get("wimAccountId"))
for vldd in get_iterable(nsd.get("vld")):
if in_vld["name"] == vldd["name"] or in_vld["name"] == vldd["id"]:
break
(ip_address, ...) information.
Modifies PDU _admin.usageState to 'IN_USE'
- :param session: client session information
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param rollback: list with the database modifications to rollback if needed
:param vnfr: vnfr to be updated. It is modified with pdu interface info if pdu is found
:param vim_account: vim_account where this vnfr should be deployed
if not vdur.get("pdu-type"):
continue
pdu_type = vdur.get("pdu-type")
- pdu_filter = self._get_project_filter(session, write=True, show_all=True)
+ pdu_filter = self._get_project_filter(session)
pdu_filter["vim_accounts"] = vim_account
pdu_filter["type"] = pdu_type
pdu_filter["_admin.operationalState"] = "ENABLED"
}
return nslcmop
- def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False,
- slice_object=False):
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None, slice_object=False):
"""
Performs a new operation over a ns
:param rollback: list to append created items at database in case a rollback must to be done
- :param session: contains the used login username and working project
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param indata: descriptor with the parameters of the operation. It must contains among others
nsInstanceId: _id of the nsr to perform the operation
operation: it can be: instantiate, terminate, action, TODO: update, heal
:param kwargs: used to override the indata descriptor
:param headers: http request headers
- :param force: If True avoid some dependence checks
- :param make_public: Make the created item public to all projects
:return: id of the nslcmops
"""
try:
validate_input(indata, self.operation_schema[operation])
# get ns from nsr_id
- _filter = BaseTopic._get_project_filter(session, write=True, show_all=False)
+ _filter = BaseTopic._get_project_filter(session)
_filter["_id"] = nsInstanceId
nsr = self.db.get_one("nsrs", _filter)
raise EngineException("ns_instance '{}' cannot be '{}' because it is not instantiated".format(
nsInstanceId, operation), HTTPStatus.CONFLICT)
else:
- if operation == "instantiate" and not indata.get("force"):
+ if operation == "instantiate" and not session["force"]:
raise EngineException("ns_instance '{}' cannot be '{}' because it is already instantiated".format(
nsInstanceId, operation), HTTPStatus.CONFLICT)
self._check_ns_operation(session, nsr, operation, indata)
self._update_vnfrs(session, rollback, nsr, indata)
nslcmop_desc = self._create_nslcmop(nsInstanceId, operation, indata)
- self.format_on_new(nslcmop_desc, session["project_id"], make_public=make_public)
+ self.format_on_new(nslcmop_desc, session["project_id"], make_public=session["public"])
_id = self.db.create("nslcmops", nslcmop_desc)
rollback.append({"topic": "nslcmops", "_id": _id})
if not slice_object:
# except DbException as e:
# raise EngineException("Cannot get ns_instance '{}': {}".format(e), HTTPStatus.NOT_FOUND)
- def delete(self, session, _id, force=False, dry_run=False):
+ def delete(self, session, _id, dry_run=False):
raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
- def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
+ self.nsrTopic = NsrTopic(db, fs, msg)
+
+ @staticmethod
+ def _format_ns_request(ns_request):
+ formated_request = copy(ns_request)
+ # TODO: Add request params
+ return formated_request
+
+ @staticmethod
+ def _format_addional_params(slice_request):
+ """
+ Get and format user additional params for NS or VNF
+ :param slice_request: User instantiation additional parameters
+ :return: a formatted copy of additional params or None if not supplied
+ """
+ additional_params = copy(slice_request.get("additionalParamsForNsi"))
+ if additional_params:
+ for k, v in additional_params.items():
+ if not isinstance(k, str):
+ raise EngineException("Invalid param at additionalParamsForNsi:{}. Only string keys are allowed".
+ format(k))
+ if "." in k or "$" in k:
+ raise EngineException("Invalid param at additionalParamsForNsi:{}. Keys must not contain dots or $".
+ format(k))
+ if isinstance(v, (dict, tuple, list)):
+ additional_params[k] = "!!yaml " + safe_dump(v)
+ return additional_params
def _check_descriptor_dependencies(self, session, descriptor):
"""
Check that the dependent descriptors exist on a new descriptor or edition
- :param session: client session information
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param descriptor: descriptor to be inserted or edit
:return: None or raises exception
"""
raise EngineException("Descriptor error at nst-ref='{}' references a non exist nstd".format(nstd_id),
http_code=HTTPStatus.CONFLICT)
- @staticmethod
- def format_on_new(content, project_id=None, make_public=False):
- BaseTopic.format_on_new(content, project_id=project_id, make_public=make_public)
-
- def check_conflict_on_del(self, session, _id, force=False):
- if force:
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check that NSI is not instantiated
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: nsi internal id
+ :param db_content: The database content of the _id
+ :return: None or raises EngineException with the conflict
+ """
+ if session["force"]:
return
- nsi = self.db.get_one("nsis", {"_id": _id})
+ nsi = db_content
if nsi["_admin"].get("nsiState") == "INSTANTIATED":
raise EngineException("nsi '{}' cannot be deleted because it is in 'INSTANTIATED' state. "
"Launch 'terminate' operation first; or force deletion".format(_id),
http_code=HTTPStatus.CONFLICT)
- def delete(self, session, _id, force=False, dry_run=False):
+ def delete_extra(self, session, _id, db_content):
"""
- Delete item by its internal _id
- :param session: contains the used login username, working project, and admin rights
+ Deletes associated nsilcmops from database. Deletes associated filesystem.
+ Set usageState of nst
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param _id: server internal id
- :param force: indicates if deletion must be forced in case of conflict
- :param dry_run: make checking but do not delete
- :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ :param db_content: The database content of the descriptor
+ :return: None if ok or raises EngineException with the problem
"""
- # TODO add admin to filter, validate rights
- BaseTopic.delete(self, session, _id, force, dry_run=True)
- if dry_run:
- return
-
- # deletes NetSlice instance object
- v = self.db.del_one("nsis", {"_id": _id})
- # makes a temporal list of nsilcmops objects related to the _id given and deletes them from db
- _filter = {"netsliceInstanceId": _id}
- self.db.del_list("nsilcmops", _filter)
-
- _filter = {"operationParams.netsliceInstanceId": _id}
- nslcmops_list = self.db.get_list("nslcmops", _filter)
-
- for id_item in nslcmops_list:
- _filter = {"_id": id_item}
- nslcmop = self.db.get_one("nslcmops", _filter)
- nsr_id = nslcmop["operationParams"]["nsr_id"]
- NsrTopic.delete(self, session, nsr_id, force=False, dry_run=False)
- self._send_msg("deleted", {"_id": _id})
- return v
-
- def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
+ # Deleting the nsrs belonging to nsir
+ nsir = db_content
+ for nsrs_detailed_item in nsir["_admin"]["nsrs-detailed-list"]:
+ nsr_id = nsrs_detailed_item["nsrId"]
+ if nsrs_detailed_item.get("shared"):
+ _filter = {"_admin.nsrs-detailed-list.ANYINDEX.shared": True,
+ "_admin.nsrs-detailed-list.ANYINDEX.nsrId": nsr_id,
+ "_id.ne": nsir["_id"]}
+ nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
+ if nsi: # last one using nsr
+ continue
+ try:
+ self.nsrTopic.delete(session, nsr_id, dry_run=False)
+ except (DbException, EngineException) as e:
+ if e.http_code == HTTPStatus.NOT_FOUND:
+ pass
+ else:
+ raise
+
+ # delete related nsilcmops database entries
+ self.db.del_list("nsilcmops", {"netsliceInstanceId": _id})
+
+ # Check and set used NST usage state
+ nsir_admin = nsir.get("_admin")
+ if nsir_admin and nsir_admin.get("nst-id"):
+ # check if used by another NSI
+ nsis_list = self.db.get_one("nsis", {"nst-id": nsir_admin["nst-id"]},
+ fail_on_empty=False, fail_on_more=False)
+ if not nsis_list:
+ self.db.set_one("nsts", {"_id": nsir_admin["nst-id"]}, {"_admin.usageState": "NOT_IN_USE"})
+
+ # def delete(self, session, _id, dry_run=False):
+ # """
+ # Delete item by its internal _id
+ # :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ # :param _id: server internal id
+ # :param dry_run: make checking but do not delete
+ # :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ # """
+ # # TODO add admin to filter, validate rights
+ # BaseTopic.delete(self, session, _id, dry_run=True)
+ # if dry_run:
+ # return
+ #
+ # # Deleting the nsrs belonging to nsir
+ # nsir = self.db.get_one("nsis", {"_id": _id})
+ # for nsrs_detailed_item in nsir["_admin"]["nsrs-detailed-list"]:
+ # nsr_id = nsrs_detailed_item["nsrId"]
+ # if nsrs_detailed_item.get("shared"):
+ # _filter = {"_admin.nsrs-detailed-list.ANYINDEX.shared": True,
+ # "_admin.nsrs-detailed-list.ANYINDEX.nsrId": nsr_id,
+ # "_id.ne": nsir["_id"]}
+ # nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
+ # if nsi: # last one using nsr
+ # continue
+ # try:
+ # self.nsrTopic.delete(session, nsr_id, dry_run=False)
+ # except (DbException, EngineException) as e:
+ # if e.http_code == HTTPStatus.NOT_FOUND:
+ # pass
+ # else:
+ # raise
+ # # deletes NetSlice instance object
+ # v = self.db.del_one("nsis", {"_id": _id})
+ #
+ # # makes a temporal list of nsilcmops objects related to the _id given and deletes them from db
+ # _filter = {"netsliceInstanceId": _id}
+ # self.db.del_list("nsilcmops", _filter)
+ #
+ # # Search if nst is being used by other nsi
+ # nsir_admin = nsir.get("_admin")
+ # if nsir_admin:
+ # if nsir_admin.get("nst-id"):
+ # nsis_list = self.db.get_one("nsis", {"nst-id": nsir_admin["nst-id"]},
+ # fail_on_empty=False, fail_on_more=False)
+ # if not nsis_list:
+ # self.db.set_one("nsts", {"_id": nsir_admin["nst-id"]}, {"_admin.usageState": "NOT_IN_USE"})
+ # return v
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
"""
Creates a new netslice instance record into database. It also creates needed nsrs and vnfrs
:param rollback: list to append the created items at database in case a rollback must be done
- :param session: contains the used login username and working project
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param indata: params to be used for the nsir
:param kwargs: used to override the indata descriptor
:param headers: http request headers
- :param force: If True avoid some dependence checks
- :param make_public: Make the created item public to all projects
:return: the _id of nsi descriptor created at database
"""
slice_request = self._remove_envelop(indata)
# Override descriptor with query string kwargs
self._update_input_with_kwargs(slice_request, kwargs)
- self._validate_input_new(slice_request, force)
+ self._validate_input_new(slice_request, session["force"])
step = ""
# look for nstd
step = "getting nstd id='{}' from database".format(slice_request.get("nstId"))
- _filter = {"_id": slice_request["nstId"]}
- _filter.update(BaseTopic._get_project_filter(session, write=False, show_all=True))
+ _filter = self._get_project_filter(session)
+ _filter["_id"] = slice_request["nstId"]
nstd = self.db.get_one("nsts", _filter)
+ del _filter["_id"]
+
nstd.pop("_admin", None)
- nstd.pop("_id", None)
+ nstd_id = nstd.pop("_id", None)
nsi_id = str(uuid4())
step = "filling nsi_descriptor with input data"
"nsr-ref-list": [],
"vlr-list": [],
"_id": nsi_id,
+ "additionalParamsForNsi": self._format_addional_params(slice_request)
}
step = "creating nsi at database"
- self.format_on_new(nsi_descriptor, session["project_id"], make_public=make_public)
+ self.format_on_new(nsi_descriptor, session["project_id"], make_public=session["public"])
nsi_descriptor["_admin"]["nsiState"] = "NOT_INSTANTIATED"
nsi_descriptor["_admin"]["netslice-subnet"] = None
-
+ nsi_descriptor["_admin"]["deployed"] = {}
+ nsi_descriptor["_admin"]["deployed"]["RO"] = []
+ nsi_descriptor["_admin"]["nst-id"] = nstd_id
+
# Creating netslice-vld for the RO.
step = "creating netslice-vld at database"
- instantiation_parameters = slice_request
# Building the vlds list to be deployed
# From netslice descriptors, creating the initial list
- nsi_vlds = []
- if nstd.get("netslice-vld"):
- # Building VLDs from NST
- for netslice_vlds in nstd["netslice-vld"]:
- nsi_vld = {}
- # Adding nst vld name and global vimAccountId for netslice vld creation
- nsi_vld["name"] = netslice_vlds["name"]
- nsi_vld["vimAccountId"] = slice_request["vimAccountId"]
- # Getting template Instantiation parameters from NST
- for netslice_vld in netslice_vlds["nss-connection-point-ref"]:
- for netslice_subnet in nstd["netslice-subnet"]:
- nsi_vld["nsd-ref"] = netslice_subnet["nsd-ref"]
- nsi_vld["nsd-connection-point-ref"] = netslice_vld["nsd-connection-point-ref"]
- # Obtaining the vimAccountId from template instantiation parameter
- if netslice_subnet.get("instantiation-parameters"):
- # Taking the vimAccountId from NST netslice-subnet instantiation parameters
- if netslice_subnet["instantiation-parameters"].get("vimAccountId"):
- netsn = netslice_subnet["instantiation-parameters"]["vimAccountId"]
- nsi_vld["vimAccountId"] = netsn
- # Obtaining the vimAccountId from user instantiation parameter
- if instantiation_parameters.get("netslice-subnet"):
- for ins_param in instantiation_parameters["netslice-subnet"]:
- if ins_param.get("id") == netslice_vld["nss-ref"]:
- if ins_param.get("vimAccountId"):
- nsi_vld["vimAccountId"] = ins_param["vimAccountId"]
- # Adding vim-network-name defined by the user to vld
- if instantiation_parameters.get("netslice-vld"):
- for ins_param in instantiation_parameters["netslice-vld"]:
- if ins_param["name"] == netslice_vlds["name"]:
- if ins_param.get("vim-network-name"):
- nsi_vld["vim-network-name"] = ins_param.get("vim-network-name")
- if ins_param.get("vim-network-id"):
- nsi_vld["vim-network-id"] = ins_param.get("vim-network-id")
- nsi_vlds.append(nsi_vld)
+ nsi_vlds = []
+
+ for netslice_vlds in get_iterable(nstd.get("netslice-vld")):
+ # Getting template Instantiation parameters from NST
+ nsi_vld = deepcopy(netslice_vlds)
+ nsi_vld["shared-nsrs-list"] = []
+ nsi_vld["vimAccountId"] = slice_request["vimAccountId"]
+ nsi_vlds.append(nsi_vld)
nsi_descriptor["_admin"]["netslice-vld"] = nsi_vlds
# Creating netslice-subnet_record.
needed_nsds = {}
services = []
+ # Updating the nstd with the nsd["_id"] associated to the nss -> services list
for member_ns in nstd["netslice-subnet"]:
nsd_id = member_ns["nsd-ref"]
step = "getting nstd id='{}' constituent-nsd='{}' from database".format(
member_ns["nsd-ref"], member_ns["id"])
if nsd_id not in needed_nsds:
# Obtain nsd
- nsd = DescriptorTopic.get_one_by_id(self.db, session, "nsds", nsd_id)
+ _filter["id"] = nsd_id
+ nsd = self.db.get_one("nsds", _filter, fail_on_empty=True, fail_on_more=True)
+ del _filter["id"]
nsd.pop("_admin")
needed_nsds[nsd_id] = nsd
- member_ns["_id"] = needed_nsds[nsd_id].get("_id")
- services.append(member_ns)
else:
nsd = needed_nsds[nsd_id]
- member_ns["_id"] = needed_nsds[nsd_id].get("_id")
- services.append(member_ns)
+ member_ns["_id"] = needed_nsds[nsd_id].get("_id")
+ services.append(member_ns)
step = "filling nsir nsd-id='{}' constituent-nsd='{}' from database".format(
member_ns["nsd-ref"], member_ns["id"])
# creates Network Services records (NSRs)
step = "creating nsrs at database using NsrTopic.new()"
ns_params = slice_request.get("netslice-subnet")
-
nsrs_list = []
nsi_netslice_subnet = []
for service in services:
+ # Check if the netslice-subnet is shared and if it is share if the nss exists
+ _id_nsr = None
indata_ns = {}
- indata_ns["nsdId"] = service["_id"]
- indata_ns["nsName"] = slice_request.get("nsiName") + "." + service["id"]
- indata_ns["vimAccountId"] = slice_request.get("vimAccountId")
- indata_ns["nsDescription"] = service["description"]
- indata_ns["key-pair-ref"] = None
-
- # NsrTopic(rollback, session, indata_ns, kwargs, headers, force)
- # Overwriting ns_params filtering by nsName == netslice-subnet.id
-
- if ns_params:
- for ns_param in ns_params:
- if ns_param.get("id") == service["id"]:
- copy_ns_param = deepcopy(ns_param)
- del copy_ns_param["id"]
- indata_ns.update(copy_ns_param)
- # TODO: Improve network selection via networkID
- if nsi_vlds:
- indata_ns_list = []
- for nsi_vld in nsi_vlds:
- nsd = self.db.get_one("nsds", {"id": nsi_vld["nsd-ref"]})
- if nsd["connection-point"]:
- for vld_id_ref in nsd["connection-point"]:
- name = vld_id_ref["vld-id-ref"]
- vnm = nsi_vld.get("vim-network-name")
- if type(vnm) is not dict:
- vnm = {slice_request.get("vimAccountId"): vnm}
- if vld_id_ref["name"] == nsi_vld["nsd-connection-point-ref"]:
- if list(vnm.values())[0] is None:
- networkName = "default"
- else:
- networkName = str(list(vnm.values())[0])
- # VIMNetworkName = NetSliceName-NetworkName
- vimnetname = str(slice_request["nsiName"]) + "-" + networkName
- indata_ns_list.append({"name": name, "vim-network-name": vimnetname})
- indata_ns["vld"] = indata_ns_list
-
- _id_nsr = NsrTopic.new(self, rollback, session, indata_ns, kwargs, headers, force)
- nsrs_item = {"nsrId": _id_nsr}
+ # Is the nss shared and instantiated?
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.shared"] = True
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.nsd-id"] = service["nsd-ref"]
+ nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
+
+ if nsi and service.get("is-shared-nss"):
+ nsrs_detailed_list = nsi["_admin"]["nsrs-detailed-list"]
+ for nsrs_detailed_item in nsrs_detailed_list:
+ if nsrs_detailed_item["nsd-id"] == service["nsd-ref"]:
+ _id_nsr = nsrs_detailed_item["nsrId"]
+ break
+ for netslice_subnet in nsi["_admin"]["netslice-subnet"]:
+ if netslice_subnet["nss-id"] == service["id"]:
+ indata_ns = netslice_subnet
+ break
+ else:
+ indata_ns = {}
+ if service.get("instantiation-parameters"):
+ indata_ns = deepcopy(service["instantiation-parameters"])
+ # del service["instantiation-parameters"]
+
+ indata_ns["nsdId"] = service["_id"]
+ indata_ns["nsName"] = slice_request.get("nsiName") + "." + service["id"]
+ indata_ns["vimAccountId"] = slice_request.get("vimAccountId")
+ indata_ns["nsDescription"] = service["description"]
+ indata_ns["key-pair-ref"] = slice_request.get("key-pair-ref")
+
+ if ns_params:
+ for ns_param in ns_params:
+ if ns_param.get("id") == service["id"]:
+ copy_ns_param = deepcopy(ns_param)
+ del copy_ns_param["id"]
+ indata_ns.update(copy_ns_param)
+ break
+
+ # Creates Nsr objects
+ _id_nsr = self.nsrTopic.new(rollback, session, indata_ns, kwargs, headers)
+ nsrs_item = {"nsrId": _id_nsr, "shared": service.get("is-shared-nss"), "nsd-id": service["nsd-ref"],
+ "nslcmop_instantiate": None}
+ indata_ns["nss-id"] = service["id"]
nsrs_list.append(nsrs_item)
nsi_netslice_subnet.append(indata_ns)
nsr_ref = {"nsr-ref": _id_nsr}
# Adding the nsrs list to the nsi
nsi_descriptor["_admin"]["nsrs-detailed-list"] = nsrs_list
nsi_descriptor["_admin"]["netslice-subnet"] = nsi_netslice_subnet
+ self.db.set_one("nsts", {"_id": slice_request["nstId"]}, {"_admin.usageState": "IN_USE"})
+
# Creating the entry in the database
self.db.create("nsis", nsi_descriptor)
rollback.append({"topic": "nsis", "_id": nsi_id})
except ValidationError as e:
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
- def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
"instantiate": nsi_instantiate,
"terminate": None
}
-
+
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
+ self.nsi_NsLcmOpTopic = NsLcmOpTopic(self.db, self.fs, self.msg)
def _check_nsi_operation(self, session, nsir, operation, indata):
"""
Check that user has enter right parameters for the operation
- :param session:
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param operation: it can be: instantiate, terminate, action, TODO: update, heal
:param indata: descriptor with the parameters of the operation
:return: None
}
return nsilcmop
- def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
+ def add_shared_nsr_2vld(self, nsir, nsr_item):
+ for nst_sb_item in nsir["network-slice-template"].get("netslice-subnet"):
+ if nst_sb_item.get("is-shared-nss"):
+ for admin_subnet_item in nsir["_admin"].get("netslice-subnet"):
+ if admin_subnet_item["nss-id"] == nst_sb_item["id"]:
+ for admin_vld_item in nsir["_admin"].get("netslice-vld"):
+ for admin_vld_nss_cp_ref_item in admin_vld_item["nss-connection-point-ref"]:
+ if admin_subnet_item["nss-id"] == admin_vld_nss_cp_ref_item["nss-ref"]:
+ if not nsr_item["nsrId"] in admin_vld_item["shared-nsrs-list"]:
+ admin_vld_item["shared-nsrs-list"].append(nsr_item["nsrId"])
+ break
+ # self.db.set_one("nsis", {"_id": nsir["_id"]}, nsir)
+ self.db.set_one("nsis", {"_id": nsir["_id"]}, {"_admin.netslice-vld": nsir["_admin"].get("netslice-vld")})
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
"""
Performs a new operation over a ns
:param rollback: list to append created items at database in case a rollback must to be done
- :param session: contains the used login username and working project
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param indata: descriptor with the parameters of the operation. It must contains among others
nsiInstanceId: _id of the nsir to perform the operation
operation: it can be: instantiate, terminate, action, TODO: update, heal
:param kwargs: used to override the indata descriptor
:param headers: http request headers
- :param force: If True avoid some dependence checks
- :param make_public: Make the created item public to all projects
:return: id of the nslcmops
"""
try:
validate_input(indata, self.operation_schema[operation])
# get nsi from nsiInstanceId
- _filter = BaseTopic._get_project_filter(session, write=True, show_all=False)
+ _filter = self._get_project_filter(session)
_filter["_id"] = nsiInstanceId
nsir = self.db.get_one("nsis", _filter)
+ del _filter["_id"]
# initial checking
if not nsir["_admin"].get("nsiState") or nsir["_admin"]["nsiState"] == "NOT_INSTANTIATED":
raise EngineException("netslice_instance '{}' cannot be '{}' because it is not instantiated".format(
nsiInstanceId, operation), HTTPStatus.CONFLICT)
else:
- if operation == "instantiate" and not indata.get("force"):
+ if operation == "instantiate" and not session["force"]:
raise EngineException("netslice_instance '{}' cannot be '{}' because it is already instantiated".
format(nsiInstanceId, operation), HTTPStatus.CONFLICT)
# Get service list from db
nsrs_list = nsir["_admin"]["nsrs-detailed-list"]
nslcmops = []
- for nsr_item in nsrs_list:
- service = self.db.get_one("nsrs", {"_id": nsr_item["nsrId"]})
- indata_ns = {}
- indata_ns = service["instantiate_params"]
- indata_ns["lcmOperationType"] = operation
- indata_ns["nsInstanceId"] = service["_id"]
- # Including netslice_id in the ns instantiate Operation
- indata_ns["netsliceInstanceId"] = nsiInstanceId
- del indata_ns["key-pair-ref"]
- nsi_NsLcmOpTopic = NsLcmOpTopic(self.db, self.fs, self.msg)
- # Creating NS_LCM_OP with the flag slice_object=True to not trigger the service instantiation
- # message via kafka bus
- nslcmop = nsi_NsLcmOpTopic.new(rollback, session, indata_ns, kwargs, headers, force, slice_object=True)
- nslcmops.append(nslcmop)
+ # nslcmops_item = None
+ for index, nsr_item in enumerate(nsrs_list):
+ nsi = None
+ if nsr_item.get("shared"):
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.shared"] = True
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.nsrId"] = nsr_item["nsrId"]
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.nslcmop_instantiate.ne"] = None
+ _filter["_id.ne"] = nsiInstanceId
+ nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
+ if operation == "terminate":
+ _update = {"_admin.nsrs-detailed-list.{}.nslcmop_instantiate".format(index): None}
+ self.db.set_one("nsis", {"_id": nsir["_id"]}, _update)
+
+ # looks the first nsi fulfilling the conditions but not being the current NSIR
+ if nsi:
+ nsi_admin_shared = nsi["_admin"]["nsrs-detailed-list"]
+ for nsi_nsr_item in nsi_admin_shared:
+ if nsi_nsr_item["nsd-id"] == nsr_item["nsd-id"] and nsi_nsr_item["shared"]:
+ self.add_shared_nsr_2vld(nsir, nsr_item)
+ nslcmops.append(nsi_nsr_item["nslcmop_instantiate"])
+ _update = {"_admin.nsrs-detailed-list.{}".format(index): nsi_nsr_item}
+ self.db.set_one("nsis", {"_id": nsir["_id"]}, _update)
+ break
+ # continue to not create nslcmop since nsrs is shared and nsrs was created
+ continue
+ else:
+ self.add_shared_nsr_2vld(nsir, nsr_item)
+
+ try:
+ service = self.db.get_one("nsrs", {"_id": nsr_item["nsrId"]})
+ indata_ns = {}
+ indata_ns = service["instantiate_params"]
+ indata_ns["lcmOperationType"] = operation
+ indata_ns["nsInstanceId"] = service["_id"]
+ # Including netslice_id in the ns instantiate Operation
+ indata_ns["netsliceInstanceId"] = nsiInstanceId
+ del indata_ns["key-pair-ref"]
+ # Creating NS_LCM_OP with the flag slice_object=True to not trigger the service instantiation
+ # message via kafka bus
+ nslcmop = self.nsi_NsLcmOpTopic.new(rollback, session, indata_ns, kwargs, headers,
+ slice_object=True)
+ nslcmops.append(nslcmop)
+ if operation == "terminate":
+ nslcmop = None
+ _update = {"_admin.nsrs-detailed-list.{}.nslcmop_instantiate".format(index): nslcmop}
+ self.db.set_one("nsis", {"_id": nsir["_id"]}, _update)
+ except (DbException, EngineException) as e:
+ if e.http_code == HTTPStatus.NOT_FOUND:
+ self.logger.info("HTTPStatus.NOT_FOUND")
+ pass
+ else:
+ raise
# Creates nsilcmop
indata["nslcmops_ids"] = nslcmops
self._check_nsi_operation(session, nsir, operation, indata)
+
nsilcmop_desc = self._create_nsilcmop(session, nsiInstanceId, operation, indata)
- self.format_on_new(nsilcmop_desc, session["project_id"], make_public=make_public)
+ self.format_on_new(nsilcmop_desc, session["project_id"], make_public=session["public"])
_id = self.db.create("nsilcmops", nsilcmop_desc)
rollback.append({"topic": "nsilcmops", "_id": _id})
self.msg.write("nsi", operation, nsilcmop_desc)
return _id
except ValidationError as e:
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
- # except DbException as e:
- # raise EngineException("Cannot get nsi_instance '{}': {}".format(e), HTTPStatus.NOT_FOUND)
- def delete(self, session, _id, force=False, dry_run=False):
+ def delete(self, session, _id, dry_run=False):
raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
- def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
projects / osm / NBI.git / blobdiff