from http import HTTPStatus
from time import time
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 osm_nbi.validation import validate_input, ValidationError, ns_instantiate, ns_action, ns_scale, nsi_instantiate
+from osm_nbi.base_topic import BaseTopic, EngineException, get_iterable
# from descriptor_topics import DescriptorTopic
from yaml import safe_dump
from osm_common.dbbase import DbException
+from osm_common.msgbase import MsgException
+from osm_common.fsbase import FsException
from re import match # For checking that additional parameter names are valid Jinja2 identifiers
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
topic_msg = "ns"
schema_new = ns_instantiate
- def __init__(self, db, fs, msg):
- BaseTopic.__init__(self, db, fs, msg)
+ def __init__(self, db, fs, msg, auth):
+ BaseTopic.__init__(self, db, fs, msg, auth)
def _check_descriptor_dependencies(self, session, descriptor):
"""
:param indata: params to be used for the nsr
:param kwargs: used to override the indata descriptor
:param headers: http request headers
- :return: the _id of nsr descriptor created at database
+ :return: the _id of nsr descriptor created at database. Or an exception of type
+ EngineException, ValidationError, DbException, FsException, MsgException.
+ Note: Exceptions are not captured on purpose. They should be captured at called
"""
try:
+ step = "checking quotas"
+ self.check_quota(session)
+
step = "validating input parameters"
ns_request = self._remove_envelop(indata)
# Override descriptor with query string kwargs
# vim-id # TODO it would be nice having a vim port id
}
vnfr_descriptor["connection-point"].append(vnf_cp)
+
+ # Create k8s-cluster information
+ if vnfd.get("k8s-cluster"):
+ vnfr_descriptor["k8s-cluster"] = vnfd["k8s-cluster"]
+ for net in get_iterable(vnfr_descriptor["k8s-cluster"].get("nets")):
+ if net.get("external-connection-point-ref"):
+ for nsd_vld in get_iterable(nsd.get("vld")):
+ for nsd_vld_cp in get_iterable(nsd_vld.get("vnfd-connection-point-ref")):
+ if nsd_vld_cp.get("vnfd-connection-point-ref") == \
+ net["external-connection-point-ref"] and \
+ nsd_vld_cp.get("member-vnf-index-ref") == member_vnf["member-vnf-index"]:
+ net["ns-vld-id"] = nsd_vld["id"]
+ break
+ else:
+ continue
+ break
+ elif net.get("internal-connection-point-ref"):
+ for vnfd_ivld in get_iterable(vnfd.get("internal-vld")):
+ for vnfd_ivld_icp in get_iterable(vnfd_ivld.get("internal-connection-point")):
+ if vnfd_ivld_icp.get("id-ref") == net["internal-connection-point-ref"]:
+ net["vnf-vld-id"] = vnfd_ivld["id"]
+ break
+ else:
+ continue
+ break
+ # update kdus
+ for kdu in get_iterable(vnfd.get("kdu")):
+ kdur = {
+ "kdu-name": kdu["name"],
+ # TODO "name": "" Name of the VDU in the VIM
+ "ip-address": None, # mgmt-interface filled by LCM
+ "k8s-cluster": {}
+ }
+ if not vnfr_descriptor.get("kdur"):
+ vnfr_descriptor["kdur"] = []
+ vnfr_descriptor["kdur"].append(kdur)
+
for vdu in vnfd.get("vdu", ()):
vdur = {
"vdu-id-ref": vdu["id"],
self.fs.mkdir(nsr_id)
return nsr_id, None
- except ValidationError as e: # TODO remove try Except, it is captured at nbi.py
- raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
- except Exception as e:
- self.logger.exception("Exception {} at NsrTopic.new()".format(e), exc_info=True)
- raise EngineException("Error {}: {}".format(step, e))
+ except (ValidationError, EngineException, DbException, MsgException, FsException) as e:
+ raise type(e)("{} while '{}".format(e, step), http_code=e.http_code)
def edit(self, session, _id, indata=None, kwargs=None, content=None):
raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
topic = "vnfrs"
topic_msg = None
- def __init__(self, db, fs, msg):
- BaseTopic.__init__(self, db, fs, msg)
+ def __init__(self, db, fs, msg, auth):
+ BaseTopic.__init__(self, db, fs, msg, auth)
def delete(self, session, _id, dry_run=False):
raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
"terminate": None,
}
- def __init__(self, db, fs, msg):
- BaseTopic.__init__(self, db, fs, msg)
+ def __init__(self, db, fs, msg, auth):
+ BaseTopic.__init__(self, db, fs, msg, auth)
def _check_ns_operation(self, session, nsr, operation, indata):
"""
:param indata: descriptor with the parameters of the operation
:return: None
"""
- vnfds = {}
+ vnf_member_index_to_vnfd = {} # map between vnf_member_index to vnf descriptor.
vim_accounts = []
wim_accounts = []
nsd = nsr["nsd"]
def check_valid_vnf_member_index(member_vnf_index):
- # TODO change to vnfR
- 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:
+ # Obtain vnf descriptor. The vnfr is used to get the vnfd._id used for this member_vnf_index
+ if vnf_member_index_to_vnfd.get(member_vnf_index):
+ return vnf_member_index_to_vnfd[member_vnf_index]
+ vnfr = self.db.get_one("vnfrs",
+ {"nsr-id-ref": nsr["_id"], "member-vnf-index-ref": member_vnf_index},
+ fail_on_empty=False)
+ if not vnfr:
raise EngineException("Invalid parameter member_vnf_index='{}' is not one of the "
"nsd:constituent-vnfd".format(member_vnf_index))
+ vnfd = self.db.get_one("vnfds", {"_id": vnfr["vnfd-id"]}, fail_on_empty=False)
+ if not vnfd:
+ raise EngineException("vnfd id={} has been deleted!. Operation cannot be performed".
+ format(vnfr["vnfd-id"]))
+ vnf_member_index_to_vnfd[member_vnf_index] = vnfd # add to cache, avoiding a later look for
+ return vnfd
+
+ def check_valid_vdu(vnfd, vdu_id):
+ for vdud in get_iterable(vnfd.get("vdu")):
+ if vdud["id"] == vdu_id:
+ return vdud
+ else:
+ raise EngineException("Invalid parameter vdu_id='{}' not present at vnfd:vdu:id".format(vdu_id))
+
+ def check_valid_kdu(vnfd, kdu_name):
+ for kdud in get_iterable(vnfd.get("kdu")):
+ if kdud["name"] == kdu_name:
+ return kdud
+ else:
+ raise EngineException("Invalid parameter kdu_name='{}' not present at vnfd:kdu:name".format(kdu_name))
def _check_vnf_instantiation_params(in_vnfd, vnfd):
for in_ivld in get_iterable(in_vnfd.get("internal-vld")):
for ivld in get_iterable(vnfd.get("internal-vld")):
if in_ivld["name"] == ivld["name"] or in_ivld["name"] == ivld["id"]:
- for in_icp in get_iterable(in_ivld["internal-connection-point"]):
+ for in_icp in get_iterable(in_ivld.get("internal-connection-point")):
for icp in ivld["internal-connection-point"]:
if in_icp["id-ref"] == icp["id-ref"]:
break
indata["member_vnf_index"] = indata.pop("vnf_member_index") # for backward compatibility
if indata.get("member_vnf_index"):
vnfd = check_valid_vnf_member_index(indata["member_vnf_index"])
- descriptor_configuration = vnfd.get("vnf-configuration", {}).get("config-primitive")
+ if indata.get("vdu_id"):
+ vdud = check_valid_vdu(vnfd, indata["vdu_id"])
+ descriptor_configuration = vdud.get("vdu-configuration", {}).get("config-primitive")
+ elif indata.get("kdu_name"):
+ kdud = check_valid_kdu(vnfd, indata["kdu_name"])
+ descriptor_configuration = kdud.get("kdu-configuration", {}).get("config-primitive")
+ else:
+ descriptor_configuration = vnfd.get("vnf-configuration", {}).get("config-primitive")
else: # use a NSD
descriptor_configuration = nsd.get("ns-configuration", {}).get("config-primitive")
- # check primitive
+
+ # For k8s allows default primitives without validating the parameters
+ if indata.get("kdu_name") and indata["primitive"] in ("upgrade", "rollback", "status"):
+ # TODO should be checked that rollback only can contains revsision_numbe????
+ return
+ # if not, check primitive
for config_primitive in get_iterable(descriptor_configuration):
if indata["primitive"] == config_primitive["name"]:
# check needed primitive_params are provided
"vnf-vld-id": vdur_interface.get("vnf-vld-id"),
"ns-vld-id": vdur_interface.get("ns-vld-id")})
if pdu_interface.get("vim-network-id"):
- ifaces_forcing_vim_network.append({
- "vim-network-id": pdu_interface.get("vim-network-id")})
+ ifaces_forcing_vim_network[-1]["vim-network-id"] = pdu_interface["vim-network-id"]
if pdu_interface.get("vim-network-name"):
- ifaces_forcing_vim_network.append({
- "vim-network-name": pdu_interface.get("vim-network-name")})
+ ifaces_forcing_vim_network[-1]["vim-network-name"] = pdu_interface["vim-network-name"]
break
return ifaces_forcing_vim_network
+ def _look_for_k8scluster(self, session, rollback, vnfr, vim_account, vnfr_update, vnfr_update_rollback):
+ """
+ Look for an available k8scluster for all the kuds in the vnfd matching version and cni requirements.
+ Fills vnfr.kdur with the selected k8scluster
+
+ :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
+ :param vnfr_update: dictionary filled by this method with changes to be done at database vnfr
+ :param vnfr_update_rollback: dictionary filled by this method with original content of vnfr in case a rollback
+ of the changed vnfr is needed
+
+ :return: List of KDU interfaces that are connected to an existing VIM network. Each item contains:
+ "vim-network-name": used at VIM
+ "name": interface name
+ "vnf-vld-id": internal VNFD vld where this interface is connected, or
+ "ns-vld-id": NSD vld where this interface is connected.
+ NOTE: One, and only one between 'vnf-vld-id' and 'ns-vld-id' contains a value. The other will be None
+ """
+
+ ifaces_forcing_vim_network = []
+ if not vnfr.get("kdur"):
+ return ifaces_forcing_vim_network
+
+ kdu_filter = self._get_project_filter(session)
+ kdu_filter["vim_account"] = vim_account
+ # TODO kdu_filter["_admin.operationalState"] = "ENABLED"
+ available_k8sclusters = self.db.get_list("k8sclusters", kdu_filter)
+
+ k8s_requirements = {} # just for logging
+ for k8scluster in available_k8sclusters:
+ if not vnfr.get("k8s-cluster"):
+ break
+ # restrict by cni
+ if vnfr["k8s-cluster"].get("cni"):
+ k8s_requirements["cni"] = vnfr["k8s-cluster"]["cni"]
+ if not set(vnfr["k8s-cluster"]["cni"]).intersection(k8scluster.get("cni", ())):
+ continue
+ # restrict by version
+ if vnfr["k8s-cluster"].get("version"):
+ k8s_requirements["version"] = vnfr["k8s-cluster"]["version"]
+ if k8scluster.get("k8s_version") not in vnfr["k8s-cluster"]["version"]:
+ continue
+ # restrict by number of networks
+ if vnfr["k8s-cluster"].get("nets"):
+ k8s_requirements["networks"] = len(vnfr["k8s-cluster"]["nets"])
+ if not k8scluster.get("nets") or len(k8scluster["nets"]) < len(vnfr["k8s-cluster"]["nets"]):
+ continue
+ break
+ else:
+ raise EngineException("No k8scluster with requirements='{}' at vim_account={} found for member_vnf_index={}"
+ .format(k8s_requirements, vim_account, vnfr["member-vnf-index-ref"]))
+
+ for kdur_index, kdur in enumerate(get_iterable(vnfr.get("kdur"))):
+ # step 3. Fill vnfr info by filling kdur
+ kdu_text = "kdur.{}.".format(kdur_index)
+ vnfr_update_rollback[kdu_text + "k8s-cluster.id"] = None
+ vnfr_update[kdu_text + "k8s-cluster.id"] = k8scluster["_id"]
+
+ # step 4. Check VIM networks that forces the selected k8s_cluster
+ if vnfr.get("k8s-cluster") and vnfr["k8s-cluster"].get("nets"):
+ k8scluster_net_list = list(k8scluster.get("nets").keys())
+ for net_index, kdur_net in enumerate(vnfr["k8s-cluster"]["nets"]):
+ # get a network from k8s_cluster nets. If name matches use this, if not use other
+ if kdur_net["id"] in k8scluster_net_list: # name matches
+ vim_net = k8scluster["nets"][kdur_net["id"]]
+ k8scluster_net_list.remove(kdur_net["id"])
+ else:
+ vim_net = k8scluster["nets"][k8scluster_net_list[0]]
+ k8scluster_net_list.pop(0)
+ vnfr_update_rollback["k8s-cluster.nets.{}.vim_net".format(net_index)] = None
+ vnfr_update["k8s-cluster.nets.{}.vim_net".format(net_index)] = vim_net
+ if vim_net and (kdur_net.get("vnf-vld-id") or kdur_net.get("ns-vld-id")):
+ ifaces_forcing_vim_network.append({
+ "name": kdur_net.get("vnf-vld-id") or kdur_net.get("ns-vld-id"),
+ "vnf-vld-id": kdur_net.get("vnf-vld-id"),
+ "ns-vld-id": kdur_net.get("ns-vld-id"),
+ "vim-network-name": vim_net, # TODO can it be vim-network-id ???
+ })
+ # TODO check that this forcing is not incompatible with other forcing
+ return ifaces_forcing_vim_network
+
def _update_vnfrs(self, session, rollback, nsr, indata):
- vnfrs = None
# get vnfr
nsr_id = nsr["_id"]
vnfrs = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
ifaces_forcing_vim_network = self._look_for_pdu(session, rollback, vnfr, vim_account, vnfr_update,
vnfr_update_rollback)
- # updata database vnfr
+ # get kdus
+ ifaces_forcing_vim_network += self._look_for_k8scluster(session, rollback, vnfr, vim_account, vnfr_update,
+ vnfr_update_rollback)
+ # update database vnfr
self.db.set_one("vnfrs", {"_id": vnfr["_id"]}, vnfr_update)
rollback.append({"topic": "vnfrs", "_id": vnfr["_id"], "operation": "set", "content": vnfr_update_rollback})
if not nsr["_admin"].get("nsState") or nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
if operation == "terminate" and indata.get("autoremove"):
# NSR must be deleted
- return None # a none in this case is used to indicate not instantiated. It can be removed
+ return None, None # a none in this case is used to indicate not instantiated. It can be removed
if operation != "instantiate":
raise EngineException("ns_instance '{}' cannot be '{}' because it is not instantiated".format(
nsInstanceId, operation), HTTPStatus.CONFLICT)
self._update_vnfrs(session, rollback, nsr, indata)
nslcmop_desc = self._create_nslcmop(nsInstanceId, operation, indata)
+ _id = nslcmop_desc["_id"]
self.format_on_new(nslcmop_desc, session["project_id"], make_public=session["public"])
- _id = self.db.create("nslcmops", nslcmop_desc)
+ self.db.create("nslcmops", nslcmop_desc)
rollback.append({"topic": "nslcmops", "_id": _id})
if not slice_object:
self.msg.write("ns", operation, nslcmop_desc)
topic = "nsis"
topic_msg = "nsi"
- def __init__(self, db, fs, msg):
- BaseTopic.__init__(self, db, fs, msg)
- self.nsrTopic = NsrTopic(db, fs, msg)
+ def __init__(self, db, fs, msg, auth):
+ BaseTopic.__init__(self, db, fs, msg, auth)
+ self.nsrTopic = NsrTopic(db, fs, msg, auth)
@staticmethod
def _format_ns_request(ns_request):
"""
try:
+ step = "checking quotas"
+ self.check_quota(session)
+
step = ""
slice_request = self._remove_envelop(indata)
# Override descriptor with query string kwargs
# 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"]
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.nss-id"] = service["id"]
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
+ if nsrs_detailed_item["nss-id"] == service["id"]:
+ _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
# 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}
+ "nss-id": service["id"], "nslcmop_instantiate": None}
indata_ns["nss-id"] = service["id"]
nsrs_list.append(nsrs_item)
nsi_netslice_subnet.append(indata_ns)
"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 __init__(self, db, fs, msg, auth):
+ BaseTopic.__init__(self, db, fs, msg, auth)
+ self.nsi_NsLcmOpTopic = NsLcmOpTopic(self.db, self.fs, self.msg, self.auth)
def _check_nsi_operation(self, session, nsir, operation, indata):
"""
if not nsir["_admin"].get("nsiState") or nsir["_admin"]["nsiState"] == "NOT_INSTANTIATED":
if operation == "terminate" and indata.get("autoremove"):
# NSIR must be deleted
- return None # a none in this case is used to indicate not instantiated. It can be removed
+ return None, None # a none in this case is used to indicate not instantiated. It can be removed
if operation != "instantiate":
raise EngineException("netslice_instance '{}' cannot be '{}' because it is not instantiated".format(
netsliceInstanceId, operation), HTTPStatus.CONFLICT)
projects / osm / NBI.git / blobdiff