from osm_common.msgbase import MsgException
from http import HTTPStatus
from time import time
-from copy import deepcopy
+from copy import deepcopy, copy
from validation import validate_input, ValidationError
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
_deep_update(dict_to_change[k], dict_reference[k])
+def get_iterable(input):
+ """
+ Returns an iterable, in case input is None it just returns an empty tuple
+ :param input:
+ :return: iterable
+ """
+ if input is None:
+ return ()
+ return input
+
+
class Engine(object):
def __init__(self):
: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
- for vnf in nsr["nsd"]["constituent-vnfd"]:
- if indata["member_vnf_index"] == vnf["member-vnf-index"]:
- # TODO get vnfd, check primitives
+ 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 parameter member_vnf_index='{}' is not one of the nsd "
- "constituent-vnfd".format(indata["member_vnf_index"]))
+ 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 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 = []
+ rollback_index = len(rollback)
step = ""
try:
# look for nsr
"created-time": now,
# "vnfd": vnfd, # at OSM model.but removed to avoid data duplication TODO: revise
"vnfd-ref": vnfd_id,
- "vnfd-id": vnfr_id, # not at OSM model, but useful
+ "vnfd-id": vnfd["_id"], # not at OSM model, but useful
"vim-account-id": None,
"vdur": [],
"connection-point": [],
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", ()):
# 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.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(rollback_index, {"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
projects / osm / NBI.git / blobdiff