# -*- coding: utf-8 -*-
-import dbmongo
-import dbmemory
-import fslocal
-import msglocal
-import msgkafka
+from osm_common import dbmongo
+from osm_common import dbmemory
+from osm_common import fslocal
+from osm_common import msglocal
+from osm_common import msgkafka
import tarfile
import yaml
import json
from random import choice as random_choice
from uuid import uuid4
from hashlib import sha256, md5
-from dbbase import DbException
-from fsbase import FsException
-from msgbase import MsgException
+from osm_common.dbbase import DbException
+from osm_common.fsbase import FsException
+from osm_common.msgbase import MsgException
from http import HTTPStatus
from time import time
from copy import deepcopy
:param dict_reference: reference
:return: none
"""
-
for k in dict_reference:
if dict_reference[k] is None: # None->Anything
if k in dict_to_change:
dict_to_change[k] = deepcopy(dict_reference[k])
_deep_update(dict_to_change[k], dict_reference[k])
+
class Engine(object):
def __init__(self):
clean_indata = clean_indata['userDefinedData']
return clean_indata
- def _validate_new_data(self, session, item, indata, id=None):
+ def _check_dependencies_on_descriptor(self, session, item, descriptor_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 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)
+ elif item == "nsds":
+ _filter = {"nsdId": descriptor_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 _validate_new_data(self, session, item, indata, id=None, force=False):
if item == "users":
if not indata.get("username"):
raise EngineException("missing 'username'", HTTPStatus.UNPROCESSABLE_ENTITY)
HTTPStatus.CONFLICT)
# TODO validate with pyangbind
+ if item == "nsds" and not force:
+ self._check_descriptor_dependencies(session, "nsds", indata)
elif item == "userDefinedData":
# TODO validate userDefinedData is a keypair values
pass
else:
if not indata.get("_id"):
indata["_id"] = str(uuid4())
- if item in ("vnfds", "nsds", "nsrs"):
+ 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"):
def new_nsr(self, session, ns_request):
"""
- Creates a new nsr into database
+ Creates a new nsr into database. It also creates needed vnfrs
:param session: contains the used login username and working project
:param ns_request: params to be used for the nsr
- :return: nsr descriptor to be stored at database and the _id
+ :return: the _id of nsr descriptor stored at database
"""
-
- # look for nsr
- nsd = self.get_item(session, "nsds", ns_request["nsdId"])
- _id = str(uuid4())
- 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": ["TODO datacenter-id, vnfr-id"],
-
- "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}},
-
- "crete-time": time(),
- "nsd-name-ref": nsd["name"],
- "operational-events": [], # "id", "timestamp", "description", "event",
- "nsd-ref": nsd["id"],
- "instantiate_params": ns_request,
- "ns-instance-config-ref": _id,
- "id": _id,
- "_id": _id,
-
- # "input-parameter": xpath, value,
- "ssh-authorized-key": ns_request.get("key-pair-ref"),
- }
- ns_request["nsr_id"] = _id
- return nsr_descriptor
+ 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}},
+
+ "crete-time": now,
+ "nsd-name-ref": nsd["name"],
+ "operational-events": [], # "id", "timestamp", "description", "event",
+ "nsd-ref": 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. TODO can it be removed in the future to avoid data duplication?
+ "vnfd-ref": vnfd_id,
+ "vnfd-id": vnfr_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"],
+ "ip-address": None, # mgmt-interface filled by LCM
+ # "vim-id", "flavor-id", "image-id", "management-ip" # filled by LCM
+ "internal-connection-point": [],
+ }
+ # 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)
+ 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})
+ 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)
+ 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={}):
+ def new_item(self, 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 indata: data to be inserted
:param kwargs: used to override the indata descriptor
:param headers: http request headers
- :return: _id, transaction_id: identity of the inserted data. or transaction_id if Content-Range is used
+ :param force: If True avoid some dependence checks
+ :return: _id: identity of the inserted data.
"""
try:
validate_input(content, item, new=True)
if item == "nsrs":
- # in this case the imput descriptor is not the data to be stored
- ns_request = content
- content = self.new_nsr(session, ns_request)
+ # in this case the input descriptor is not the data to be stored
+ return self.new_nsr(session, ns_request=content)
- self._validate_new_data(session, item_envelop, 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)
- if item == "nsrs":
- pass
- # self.msg.write("ns", "created", _id) # sending just for information.
- elif item == "vim_accounts":
+
+ if item == "vim_accounts":
msg_data = self.db.get_one(item, {"_id": _id})
msg_data.pop("_admin", None)
self.msg.write("vim_account", "create", msg_data)
def del_item(self, session, item, _id, force=False):
"""
- Get complete information on an items
+ Delete item by its internal id
:param session: contains the used login username and working project
:param item: it can be: users, projects, vnfds, nsds, ...
:param _id: server id of the item
# data = self.get_item(item, _id)
filter = {"_id": _id}
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)
if item == "nsrs":
nsr = self.db.get_one(item, filter)
http_code=HTTPStatus.CONFLICT)
v = self.db.del_one(item, {"_id": _id})
self.db.del_list("nslcmops", {"nsInstanceId": _id})
+ self.db.del_list("vnfrs", {"nsr-id-ref": _id})
self.msg.write("ns", "deleted", {"_id": _id})
return v
if item in ("vim_accounts", "sdns"):
version["status"]), HTTPStatus.INTERNAL_SERVER_ERROR)
return
- def _edit_item(self, session, item, id, content, indata={}, kwargs=None):
+ def _edit_item(self, session, item, id, content, indata={}, kwargs=None, force=False):
if indata:
indata = self._remove_envelop(item, indata)
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
_deep_update(content, indata)
- self._validate_new_data(session, item, content, id)
+ self._validate_new_data(session, item, content, id, force)
# self._format_new_data(session, item, content)
self.db.replace(item, id, content)
if item in ("vim_accounts", "sdns"):
self.msg.write("sdn", "edit", indata)
return id
- def edit_item(self, session, item, _id, indata={}, kwargs=None):
+ def edit_item(self, session, item, _id, indata={}, kwargs=None, force=False):
"""
Update an existing entry at database
:param session: contains the used login username and working project
:param _id: identifier to be updated
:param indata: data to be inserted
:param kwargs: used to override the indata descriptor
+ :param force: If True avoid some dependence checks
:return: dictionary, raise exception if not found.
"""
content = self.get_item(session, item, _id)
- return self._edit_item(session, item, _id, content, indata, kwargs)
-
-
+ return self._edit_item(session, item, _id, content, indata, kwargs, force)
projects / osm / NBI.git / blobdiff