| # Copyright 2017-present Open Networking Foundation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import os |
| import sys |
| import time |
| from django.db.models import Q, F |
| from synchronizers.new_base.modelaccessor import * |
| from synchronizers.new_base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible |
| |
| parentdir = os.path.join(os.path.dirname(__file__), "..") |
| sys.path.insert(0, parentdir) |
| |
| class ServiceGraphException(Exception): |
| pass |
| |
| class SyncVSPGWCTenant(SyncInstanceUsingAnsible): |
| observes = VSPGWCTenant |
| template_name = "vspgwctenant_playbook.yaml" |
| service_key_name = "/opt/xos/configurations/mcord/mcord_private_key" |
| |
| def __init__(self, *args, **kwargs): |
| super(SyncVSPGWCTenant, self).__init__(*args, **kwargs) |
| |
| def get_extra_attributes(self, o): |
| |
| scenario = self.get_scenario(o) |
| |
| if scenario == 'normal_scenario': |
| return self.get_values_for_normal_scenario(o) |
| elif scenario == 'normal_scenario_without_sdncontroller': |
| return self.get_values_for_normal_scenario_wo_sdncontroller(o) |
| elif scenario == 'emulator_scenario': |
| return self.get_values_for_emulator_scenario(o) |
| elif scenario == 'emulator_scenario_without_sdncontroller': |
| return self.get_values_for_emulator_scenario_wo_sdncontroller(o) |
| else: |
| return self.get_extra_attributes_for_manual(o) |
| |
| # fields for manual case |
| def get_extra_attributes_for_manual(self, o): |
| fields = {} |
| fields['scenario'] = self.get_scenario(o) |
| # for interface.cfg file |
| fields['zmq_sub_ip'] = "manual" |
| fields['zmq_pub_ip'] = "manual" |
| fields['dp_comm_ip'] = "manual" |
| fields['cp_comm_ip'] = "manual" |
| fields['fpc_ip'] = "manual" |
| fields['cp_nb_server_ip'] = "manual" |
| |
| # for cp_config.cfg file |
| fields['s11_sgw_ip'] = "manual" |
| fields['s11_mme_ip'] = "manual" |
| fields['s1u_sgw_ip'] = "manual" |
| |
| # for rules setup in ONOS |
| fields['sgi_as_ip'] = "manual" |
| fields['sgi_spgwu_ip'] = "manual" |
| |
| return fields |
| |
| def get_values_for_normal_scenario(self, o): |
| fields = {} |
| fields['scenario'] = "normal_scenario" |
| # for interface.cfg file |
| fields['zmq_sub_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sbi_network', "SDNControllerServiceInstance", o, 'zmq_sub_ip') |
| fields['zmq_pub_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sbi_network', "SDNControllerServiceInstance", o, 'zmq_pub_ip') |
| fields['dp_comm_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sbi_network', "VSPGWUTenant", o, 'dp_comm_ip') |
| fields['cp_comm_ip'] = self.get_ip_address_from_peer_service_instance_instance( |
| 'nbi_network', o, o, 'cp_comm_ip') |
| fields['fpc_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'nbi_network', "SDNControllerServiceInstance", o, 'fpc_ip') |
| fields['cp_nb_server_ip'] = self.get_ip_address_from_peer_service_instance_instance( |
| 'nbi_network', o, o, 'cp_nb_server_ip') |
| |
| # for cp_config.cfg file |
| fields['s11_sgw_ip'] = self.get_ip_address_from_peer_service_instance_instance( |
| 's11_network', o, o, 's11_sgw_ip') |
| fields['s1u_sgw_ip'] = self.get_ip_address_from_peer_service_instance( |
| 's1u_network', "VSPGWUTenant", o, 's1u_sgw_ip') |
| fields['s11_mme_ip'] = self.get_ip_address_from_peer_service_instance( |
| 's11_network', "VMMETenant", o, 's11_mme_ip') |
| |
| # for rules setup in ONOS |
| fields['sgi_as_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sgi_network', "VENBServiceInstance", o, 'sgi_as_ip') |
| fields['sgi_spgwu_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sgi_network', "VSPGWUTenant", o, 'sgi_spgwu_ip') |
| |
| return fields |
| |
| def get_values_for_normal_scenario_wo_sdncontroller(self, o): |
| fields = {} |
| fields['scenario'] = "normal_scenario_without_sdncontroller" |
| # for interface.cfg file |
| fields['zmq_sub_ip'] = "127.0.0.1" |
| fields['zmq_pub_ip'] = "127.0.0.1" |
| fields['dp_comm_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'spgw_network', "VSPGWUTenant", o, 'dp_comm_ip') |
| fields['cp_comm_ip'] = self.get_ip_address_from_peer_service_instance_instance( |
| 'spgw_network', o, o, 'cp_comm_ip') |
| fields['fpc_ip'] = "127.0.0.1" |
| fields['cp_nb_server_ip'] = "127.0.0.1" |
| |
| # for cp_config.cfg file |
| fields['s11_sgw_ip'] = self.get_ip_address_from_peer_service_instance_instance( |
| 's11_network', o, o, 's11_sgw_ip') |
| fields['s1u_sgw_ip'] = self.get_ip_address_from_peer_service_instance( |
| 's1u_network', "VSPGWUTenant", o, 's1u_sgw_ip') |
| fields['s11_mme_ip'] = self.get_ip_address_from_peer_service_instance( |
| 's11_network', "VMMETenant", o, 's11_mme_ip') |
| |
| # for rules setup in ONOS |
| fields['sgi_as_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sgi_network', "VENBServiceInstance", o, 'sgi_as_ip') |
| fields['sgi_spgwu_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sgi_network', "VSPGWUTenant", o, 'sgi_spgwu_ip') |
| |
| return fields |
| |
| def get_values_for_emulator_scenario(self, o): |
| fields = {} |
| fields['scenario'] = "emulator_scenario" |
| # for interface.cfg file |
| fields['zmq_sub_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sbi_network', "SDNControllerServiceInstance", o, 'zmq_sub_ip') |
| fields['zmq_pub_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sbi_network', "SDNControllerServiceInstance", o, 'zmq_pub_ip') |
| fields['dp_comm_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sbi_network', "VSPGWUTenant", o, 'dp_comm_ip') |
| fields['cp_comm_ip'] = self.get_ip_address_from_peer_service_instance_instance( |
| 'nbi_network', o, o, 'cp_comm_ip') |
| fields['fpc_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'nbi_network', "SDNControllerServiceInstance", o, 'fpc_ip') |
| fields['cp_nb_server_ip'] = self.get_ip_address_from_peer_service_instance_instance( |
| 'nbi_network', o, o, 'cp_nb_server_ip') |
| |
| # for cp_config.cfg file |
| fields['s11_sgw_ip'] = self.get_ip_address_from_peer_service_instance_instance( |
| 's11_network', o, o, 's11_sgw_ip') |
| fields['s1u_sgw_ip'] = self.get_ip_address_from_peer_service_instance( |
| 's1u_network', "VSPGWUTenant", o, 's1u_sgw_ip') |
| fields['s11_mme_ip'] = self.get_ip_address_from_peer_service_instance( |
| 's11_network', "VENBServiceInstance", o, 's11_mme_ip') |
| |
| # for rules setup in ONOS |
| fields['sgi_as_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sgi_network', "VENBServiceInstance", o, 'sgi_as_ip') |
| fields['sgi_spgwu_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sgi_network', "VSPGWUTenant", o, 'sgi_spgwu_ip') |
| |
| return fields |
| |
| def get_values_for_emulator_scenario_wo_sdncontroller(self, o): |
| fields = {} |
| fields['scenario'] = "emulator_scenario_without_sdncontroller" |
| # for interface.cfg file |
| fields['zmq_sub_ip'] = "127.0.0.1" |
| fields['zmq_pub_ip'] = "127.0.0.1" |
| fields['dp_comm_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'spgw_network', "VSPGWUTenant", o, 'dp_comm_ip') |
| fields['cp_comm_ip'] = self.get_ip_address_from_peer_service_instance_instance( |
| 'spgw_network', o, o, 'cp_comm_ip') |
| fields['fpc_ip'] = "127.0.0.1" |
| fields['cp_nb_server_ip'] = "127.0.0.1" |
| |
| # for cp_config.cfg file |
| fields['s11_sgw_ip'] = self.get_ip_address_from_peer_service_instance_instance( |
| 's11_network', o, o, 's11_sgw_ip') |
| fields['s1u_sgw_ip'] = self.get_ip_address_from_peer_service_instance( |
| 's1u_network', "VSPGWUTenant", o, 's1u_sgw_ip') |
| fields['s11_mme_ip'] = self.get_ip_address_from_peer_service_instance( |
| 's11_network', "VENBServiceInstance", o, 's11_mme_ip') |
| |
| # for rules setup in ONOS |
| fields['sgi_as_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sgi_network', "VENBServiceInstance", o, 'sgi_as_ip') |
| fields['sgi_spgwu_ip'] = self.get_ip_address_from_peer_service_instance( |
| 'sgi_network', "VSPGWUTenant", o, 'sgi_spgwu_ip') |
| |
| return fields |
| |
| def get_scenario(self, o): |
| venb_flag = self.has_instance("VENBServiceInstance", o) |
| vmme_flag = self.has_instance("VMMETenant", o) |
| sdncontroller_flag = self.has_instance( |
| "SDNControllerServiceInstance", o) |
| vspgwu_flag = self.has_instance("VSPGWUTenant", o) |
| internetemulator_flag = self.has_instance( |
| "SDNControllerServiceInstance", o) |
| |
| if vmme_flag and venb_flag and sdncontroller_flag and vspgwu_flag and internetemulator_flag: |
| return 'normal_scenario' |
| |
| if vmme_flag and venb_flag and (not sdncontroller_flag) and vspgwu_flag and internetemulator_flag: |
| return 'normal_scenario_without_sdncontroller' |
| |
| if (not vmme_flag) and venb_flag and sdncontroller_flag and vspgwu_flag and (not internetemulator_flag): |
| return 'emulator_scenario' |
| |
| if (not vmme_flag) and venb_flag and (not sdncontroller_flag) and vspgwu_flag and ( |
| not internetemulator_flag): |
| return 'emulator_scenario_without_sdncontroller' |
| |
| return 'manual' |
| |
| def get_ip_address_from_peer_service_instance(self, network_name, sitype, o, parameter=None): |
| peer_si = self.get_peer_serviceinstance_of_type(sitype, o) |
| return self.get_ip_address_from_peer_service_instance_instance(network_name, peer_si, o, parameter) |
| |
| def get_ip_address_from_peer_service_instance_instance(self, network_name, peer_si, o, parameter=None): |
| try: |
| net_id = self.get_network_id(network_name) |
| ins_id = peer_si.leaf_model.instance_id |
| ip_address = Port.objects.get( |
| network_id=net_id, instance_id=ins_id).ip |
| except Exception: |
| self.log.error("Failed to fetch parameter", |
| parameter=parameter, |
| network_name=network_name) |
| self.defer_sync(o, "Waiting for parameters to become available") |
| |
| return ip_address |
| |
| def get_peer_serviceinstance_of_type(self, sitype, o): |
| prov_link_set = ServiceInstanceLink.objects.filter( |
| subscriber_service_instance_id=o.id) |
| |
| try: |
| peer_service = next( |
| p.provider_service_instance for p in prov_link_set if p.provider_service_instance.leaf_model_name == sitype) |
| except StopIteration: |
| sub_link_set = ServiceInstanceLink.objects.filter( |
| provider_service_instance_id=o.id) |
| try: |
| peer_service = next( |
| s.subscriber_service_instance for s in sub_link_set if s.subscriber_service_instance.leaf_model_name == sitype) |
| except StopIteration: |
| self.log.error( |
| 'Could not find service type in service graph', service_type=sitype, object=o) |
| raise ServiceGraphException( |
| "Synchronization failed due to incomplete service graph") |
| |
| return peer_service |
| |
| # To get each network id |
| def get_network_id(self, network_name): |
| return Network.objects.get(name=network_name).id |
| |
| # To get service_instance (assumption: there is a single instance for each service) |
| def get_instance_id(self, serviceinstance): |
| instances = serviceinstance.objects.all() |
| instance_id = instances[0].instance_id |
| return instance_id |
| |
| def has_instance(self, sitype, o): |
| try: |
| i = self.get_peer_serviceinstance_of_type(sitype, o) |
| except ServiceGraphException: |
| self.log.info("Missing in ServiceInstance graph", |
| serviceinstance=sitype) |
| return False |
| |
| return i.leaf_model.instance_id |