X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FNBI.git;a=blobdiff_plain;f=osm_nbi%2Fengine.py;h=1ffa6166b39f1836e61b3af8c36a9ae4172f5031;hp=aaa94f0ed76d671693eb9b91d482fe3c9d5ee0f4;hb=refs%2Fchanges%2F26%2F6326%2F5;hpb=aae4dc451ebc9a2dbfaa3cf4211014ac7b27ea9d diff --git a/osm_nbi/engine.py b/osm_nbi/engine.py index aaa94f0..1ffa616 100644 --- a/osm_nbi/engine.py +++ b/osm_nbi/engine.py @@ -17,7 +17,7 @@ from osm_common.fsbase import FsException 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 " @@ -53,6 +53,17 @@ def _deep_update(dict_to_change, dict_reference): _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): @@ -342,22 +353,108 @@ class Engine(object): :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 nsr["nsd"]["constituent-vnfd"]: + for vnf in nsd["constituent-vnfd"]: if member_vnf_index == vnf["member-vnf-index"]: - break + 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 - check_valid_vnf_member_index(indata["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": - check_valid_vnf_member_index(indata["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]) - # TODO check vnf scaling primitives + 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 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()