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>"
if dict_reference[k] is None: # None->Anything
if k in dict_to_change:
del dict_to_change[k]
- elif not isinstance(dict_reference[k], dict): # NotDict->Anything
+ elif not isinstance(dict_reference[k], dict): # NotDict->Anything
dict_to_change[k] = dict_reference[k]
elif k not in dict_to_change: # Dict->Empty
dict_to_change[k] = deepcopy(dict_reference[k])
_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):
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"])
- # TODO validate with pyangbind
if item == "nsds" and not force:
self._check_descriptor_dependencies(session, "nsds", indata)
elif item == "userDefinedData":
elif item == "nsrs":
pass
elif item == "vim_accounts" or item == "sdns":
- if self.db.get_one(item, {"name": indata.get("name")}, fail_on_empty=False, fail_on_more=False):
+ 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)
: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 not "_admin" in indata:
+ if "_admin" not in indata:
indata["_admin"] = {}
indata["_admin"]["created"] = now
indata["_admin"]["modified"] = now
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")
+ 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")
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
"description": ns_request.get("nsDescription", ""),
"constituent-vnfr-ref": [],
- "operational-status": "init", # typedef ns-operational-
- "config-status": "init", # typedef config-states
+ "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}},
+ "orchestration-progress": {},
+ # {"networks": {"active": 0, "total": 0}, "vms": {"active": 0, "total": 0}},
"crete-time": now,
"nsd-name-ref": nsd["name"],
"nsr-id-ref": nsr_id,
"member-vnf-index-ref": member_vnf["member-vnf-index"],
"created-time": now,
- # "vnfd": vnfd, # at OSM model. TODO can it be removed in the future to avoid data duplication?
+ # "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):
"""
- Update descriptor with the kwargs
- :param 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 = content
+ update_content = desc
kitem_old = None
klist = k.split(".")
for kitem in klist:
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
content = self.get_item(session, item, _id)
if content["_admin"]["onboardingState"] != "ONBOARDED":
raise EngineException("Cannot get content because this resource is not at 'ONBOARDED' state. "
- "onboardingState is {}".format(content["_admin"]["onboardingState"]),
+ "onboardingState is {}".format(content["_admin"]["onboardingState"]),
http_code=HTTPStatus.CONFLICT)
storage = content["_admin"]["storage"]
if path is not None and path != "$DESCRIPTOR": # artifacts
return folder_content, "text/plain"
# TODO manage folders in http
else:
- return self.fs.file_open((storage['folder'], storage['pkg-dir'], *path), "rb"), \
- "application/octet-stream"
+ return self.fs.file_open((storage['folder'], storage['pkg-dir'], *path), "rb"),\
+ "application/octet-stream"
# pkgtype accept ZIP TEXT -> result
# manyfiles yes X -> zip
return self.fs.file_open((storage['folder'], storage['descriptor']), "r"), "text/plain"
elif storage.get('pkg-dir') and not accept_zip:
raise EngineException("Packages that contains several files need to be retrieved with 'application/zip'"
- "Accept header", http_code=HTTPStatus.NOT_ACCEPTABLE)
+ "Accept header", http_code=HTTPStatus.NOT_ACCEPTABLE)
else:
if not storage.get('zipfile'):
# TODO generate zipfile if not present
- raise EngineException("Only allowed 'text/plain' Accept header for this descriptor. To be solved in future versions"
- "", http_code=HTTPStatus.NOT_ACCEPTABLE)
+ raise EngineException("Only allowed 'text/plain' Accept header for this descriptor. To be solved in "
+ "future versions", http_code=HTTPStatus.NOT_ACCEPTABLE)
return self.fs.file_open((storage['folder'], storage['zipfile']), "rb"), "application/zip"
def get_item_list(self, session, item, filter={}):
:param _id: server id of the item
:return: dictionary, raise exception if not found.
"""
- database_item = item
filter = {"_id": _id}
# TODO add admin to filter, validate rights
# TODO transform data for SOL005 URL requests
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)
+ descriptor_id = descriptor.get("id")
+ if 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:
+ if nsr["_admin"].get("nsState") == "INSTANTIATED" and not force:
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)
self.db.del_list("vnfrs", {"nsr-id-ref": _id})
self.msg.write("ns", "deleted", {"_id": _id})
return v
- if item in ("vim_accounts", "sdns"):
- desc = self.db.get_one(item, filter)
- desc["_admin"]["to_delete"] = True
- self.db.replace(item, _id, desc) # TODO change to set_one
+ if item in ("vim_accounts", "sdns") and not force:
+ self.db.set_one(item, {"_id": _id}, {"_admin.to_delete": True}) # TODO change status
if item == "vim_accounts":
self.msg.write("vim_account", "delete", {"_id": _id})
elif item == "sdns":
return {"deleted": 1} # TODO indicate an offline operation to return 202 ACCEPTED
v = self.db.del_one(item, filter)
- self.fs.file_delete(_id, ignore_non_exist=True)
+ if item in ("vnfds", "nsds"):
+ self.fs.file_delete(_id, ignore_non_exist=True)
+ if item in ("vim_accounts", "sdns", "vnfds", "nsds"):
+ self.msg.write(item[:-1], "deleted", {"_id": _id})
return v
def prune(self):
raise EngineException(
"Invalid query string '{}'. Index '{}' out of range".format(k, kitem_old))
try:
- validate_input(content, item, new=False)
+ validate_input(indata, item, new=False)
except ValidationError as e:
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
content = self.get_item(session, item, _id)
return self._edit_item(session, item, _id, content, indata, kwargs, force)
-
projects / osm / NBI.git / blobdiff