import json import logging import os import pickle import re import sys import ipaddress import mysql.connector import requests import commands import time from novaclient import client as openstackclient from kubernetes import client, config from netaddr import IPAddress, IPNetwork class VcpeCommon: ############################################################################################# # Start: configurations that you must change for a new ONAP installation external_net_addr = '10.12.0.0' external_net_prefix_len = 16 ############################################################################################# # set the openstack cloud access credentials here oom_mode = True cloud = { '--os-auth-url': 'http://10.12.25.2:5000', '--os-username': 'kxi', '--os-user-domain-id': 'default', '--os-project-domain-id': 'default', '--os-tenant-id': 'bc43d50ffcb84750bac0c1707a9a765b' if oom_mode else '1e097c6713e74fd7ac8e4295e605ee1e', '--os-region-name': 'RegionOne', '--os-password': 'n3JhGMGuDzD8', '--os-project-domain-name': 'Integration-SB-03' if oom_mode else 'Integration-SB-07', '--os-identity-api-version': '3' } common_preload_config = { 'oam_onap_net': 'oam_network_2No2' if oom_mode else 'oam_onap_lAky', 'oam_onap_subnet': 'oam_network_2No2' if oom_mode else 'oam_onap_lAky', 'public_net': 'external', 'public_net_id': '971040b2-7059-49dc-b220-4fab50cb2ad4' } sdnc_controller_pod = 'dev-sdnc-sdnc-0' ############################################################################################# template_variable_symbol = '${' cpe_vm_prefix = 'zdcpe' ############################################################################################# # preloading network config # key=network role # value = [subnet_start_ip, subnet_gateway_ip] preload_network_config = { 'cpe_public': ['10.2.0.2', '10.2.0.1'], 'cpe_signal': ['10.4.0.2', '10.4.0.1'], 'brg_bng': ['10.3.0.2', '10.3.0.1'], 'bng_mux': ['10.1.0.10', '10.1.0.1'], 'mux_gw': ['10.5.0.10', '10.5.0.1'] } dcae_ves_collector_name = 'dcae-bootstrap' global_subscriber_id = 'SDN-ETHERNET-INTERNET' project_name = 'Project-Demonstration' owning_entity_id = '520cc603-a3c4-4ec2-9ef4-ca70facd79c0' owning_entity_name = 'OE-Demonstration1' def __init__(self, extra_host_names=None): rootlogger = logging.getLogger() handler = logging.StreamHandler() formatter = logging.Formatter('%(asctime)s %(levelname)s %(name)s.%(funcName)s(): %(message)s') handler.setFormatter(formatter) rootlogger.addHandler(handler) rootlogger.setLevel(logging.INFO) self.logger = logging.getLogger(__name__) self.logger.propagate = False self.logger.addHandler(handler) self.logger.setLevel(logging.DEBUG) self.logger.info('Initializing configuration') # CHANGEME: vgw_VfModuleModelInvariantUuid is in rescust service csar, look in service-VcpesvcRescust1118-template.yml for groups vgw module metadata. TODO: read this value automcatically self.vgw_VfModuleModelInvariantUuid = '26d6a718-17b2-4ba8-8691-c44343b2ecd2' # CHANGEME: OOM: this is the address that the brg and bng will nat for sdnc access - 10.0.0.x address of k8 host for sdnc-0 container self.sdnc_oam_ip = self.get_pod_node_oam_ip('sdnc-sdnc-0') # CHANGEME: OOM: this is a k8s host external IP, e.g. oom-k8s-01 IP self.oom_so_sdnc_aai_ip = self.get_pod_node_public_ip('sdnc-sdnc-0') # CHANGEME: OOM: this is a k8s host external IP, e.g. oom-k8s-01 IP self.oom_dcae_ves_collector = self.oom_so_sdnc_aai_ip # CHANGEME: OOM: this is a k8s host external IP, e.g. oom-k8s-01 IP self.mr_ip_addr = self.oom_so_sdnc_aai_ip self.mr_ip_port = '30227' self.so_nbi_port = '30277' if self.oom_mode else '8080' self.sdnc_preloading_port = '30202' if self.oom_mode else '8282' self.aai_query_port = '30233' if self.oom_mode else '8443' self.sniro_port = '30288' if self.oom_mode else '8080' self.host_names = ['sdc', 'so', 'sdnc', 'robot', 'aai-inst1', self.dcae_ves_collector_name] if extra_host_names: self.host_names.extend(extra_host_names) # get IP addresses self.hosts = self.get_vm_ip(self.host_names, self.external_net_addr, self.external_net_prefix_len) # this is the keyword used to name vgw stack, must not be used in other stacks self.vgw_name_keyword = 'base_vcpe_vgw' # this is the file that will keep the index of last assigned SO name self.vgw_vfmod_name_index_file= '__var/vgw_vfmod_name_index' self.svc_instance_uuid_file = '__var/svc_instance_uuid' self.preload_dict_file = '__var/preload_dict' self.vgmux_vnf_name_file = '__var/vgmux_vnf_name' self.product_family_id = 'f9457e8c-4afd-45da-9389-46acd9bf5116' self.custom_product_family_id = 'a9a77d5a-123e-4ca2-9eb9-0b015d2ee0fb' self.instance_name_prefix = { 'service': 'vcpe_svc', 'network': 'vcpe_net', 'vnf': 'vcpe_vnf', 'vfmodule': 'vcpe_vfmodule' } self.aai_userpass = 'AAI', 'AAI' self.pub_key = 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDKXDgoo3+WOqcUG8/5uUbk81+yczgwC4Y8ywTmuQqbNxlY1oQ0YxdMUqUnhitSXs5S/yRuAVOYHwGg2mCs20oAINrP+mxBI544AMIb9itPjCtgqtE2EWo6MmnFGbHB4Sx3XioE7F4VPsh7japsIwzOjbrQe+Mua1TGQ5d4nfEOQaaglXLLPFfuc7WbhbJbK6Q7rHqZfRcOwAMXgDoBqlyqKeiKwnumddo2RyNT8ljYmvB6buz7KnMinzo7qB0uktVT05FH9Rg0CTWH5norlG5qXgP2aukL0gk1ph8iAt7uYLf1ktp+LJI2gaF6L0/qli9EmVCSLr1uJ38Q8CBflhkh' self.os_tenant_id = self.cloud['--os-tenant-id'] self.os_region_name = self.cloud['--os-region-name'] self.common_preload_config['pub_key'] = self.pub_key self.sniro_url = 'http://' + self.hosts['robot'] + ':' + self.sniro_port + '/__admin/mappings' self.sniro_headers = {'Content-Type': 'application/json', 'Accept': 'application/json'} self.homing_solution = 'sniro' # value is either 'sniro' or 'oof' # self.homing_solution = 'oof' self.customer_location_used_by_oof = { "customerLatitude": "32.897480", "customerLongitude": "-97.040443", "customerName": "some_company" } ############################################################################################# # SDC urls self.sdc_get_request_userpass = 'vid','Kp8bJ4SXszM0WXlhak3eHlcse2gAw84vaoGGmJvUy2U' self.sdc_get_request_headers = {'X-ECOMP-InstanceID': 'VID'} self.sdc_port = '30205' self.sdc_url_prefix = 'http://' + self.hosts['sdc'] + ':' + self.sdc_port self.sdc_service_list_url = self.sdc_url_prefix + '/sdc/v1/catalog/services' ############################################################################################# # SDNC urls self.sdnc_userpass = 'admin', 'Kp8bJ4SXszM0WXlhak3eHlcse2gAw84vaoGGmJvUy2U' self.sdnc_db_name = 'sdnctl' self.sdnc_db_user = 'sdnctl' self.sdnc_db_pass = 'gamma' self.sdnc_db_port = '32774' self.sdnc_headers = {'Content-Type': 'application/json', 'Accept': 'application/json'} self.sdnc_preload_network_url = 'http://' + self.hosts['sdnc'] + \ ':' + self.sdnc_preloading_port + '/restconf/operations/VNF-API:preload-network-topology-operation' self.sdnc_preload_vnf_url = 'http://' + self.hosts['sdnc'] + \ ':' + self.sdnc_preloading_port + '/restconf/operations/VNF-API:preload-vnf-topology-operation' self.sdnc_preload_gra_url = 'http://' + self.hosts['sdnc'] + \ ':' + self.sdnc_preloading_port + '/restconf/operations/GENERIC-RESOURCE-API:preload-vf-module-topology-operation' self.sdnc_ar_cleanup_url = 'http://' + self.hosts['sdnc'] + ':' + self.sdnc_preloading_port + \ '/restconf/config/GENERIC-RESOURCE-API:' ############################################################################################# # SO urls, note: do NOT add a '/' at the end of the url self.so_req_api_url = {'v4': 'http://' + self.hosts['so'] + ':' + self.so_nbi_port + '/onap/so/infra/serviceInstantiation/v7/serviceInstances', 'v5': 'http://' + self.hosts['so'] + ':' + self.so_nbi_port + '/onap/so/infra/serviceInstantiation/v7/serviceInstances'} self.so_check_progress_api_url = 'http://' + self.hosts['so'] + ':' + self.so_nbi_port + '/onap/so/infra/orchestrationRequests/v6' self.so_userpass = 'InfraPortalClient', 'password1$' self.so_headers = {'Content-Type': 'application/json', 'Accept': 'application/json'} self.so_db_name = 'catalogdb' self.so_db_user = 'root' self.so_db_pass = 'password' self.so_db_port = '30252' if self.oom_mode else '32769' self.vpp_inf_url = 'http://{0}:8183/restconf/config/ietf-interfaces:interfaces' self.vpp_api_headers = {'Content-Type': 'application/json', 'Accept': 'application/json'} self.vpp_api_userpass = ('admin', 'admin') self.vpp_ves_url= 'http://{0}:8183/restconf/config/vesagent:vesagent' def headbridge(self, openstack_stack_name, svc_instance_uuid): """ Add vserver information to AAI """ self.logger.info('Adding vServer information to AAI for {0}'.format(openstack_stack_name)) if not self.oom_mode: cmd = '/opt/demo.sh heatbridge {0} {1} vCPE'.format(openstack_stack_name, svc_instance_uuid) ret = commands.getstatusoutput("ssh -i onap_dev root@{0} '{1}'".format(self.hosts['robot'], cmd)) self.logger.debug('%s', ret) else: print('To add vGMUX vserver info to AAI, do the following:') print('- ssh to rancher') print('- sudo su -') print('- cd /root/oom/kubernetes/robot') print('- ./demo-k8s.sh onap heatbridge {0} {1} vCPE'.format(openstack_stack_name, svc_instance_uuid)) def get_brg_mac_from_sdnc(self): """ Check table DHCP_MAP in the SDNC DB. Find the newly instantiated BRG MAC address. Note that there might be multiple BRGs, the most recently instantiated BRG always has the largest IP address. """ cnx = mysql.connector.connect(user=self.sdnc_db_user, password=self.sdnc_db_pass, database=self.sdnc_db_name, host=self.hosts['sdnc'], port=self.sdnc_db_port) cursor = cnx.cursor() query = "SELECT * from DHCP_MAP" cursor.execute(query) self.logger.debug('DHCP_MAP table in SDNC') mac_recent = None host = -1 for mac, ip in cursor: self.logger.debug(mac + ':' + ip) this_host = int(ip.split('.')[-1]) if host < this_host: host = this_host mac_recent = mac cnx.close() assert mac_recent return mac_recent def execute_cmds_sdnc_db(self, cmds): self.execute_cmds_db(cmds, self.sdnc_db_user, self.sdnc_db_pass, self.sdnc_db_name, self.hosts['sdnc'], self.sdnc_db_port) def execute_cmds_so_db(self, cmds): self.execute_cmds_db(cmds, self.so_db_user, self.so_db_pass, self.so_db_name, self.hosts['so'], self.so_db_port) def execute_cmds_db(self, cmds, dbuser, dbpass, dbname, host, port): cnx = mysql.connector.connect(user=dbuser, password=dbpass, database=dbname, host=host, port=port) cursor = cnx.cursor() for cmd in cmds: self.logger.debug(cmd) cursor.execute(cmd) self.logger.debug('%s', cursor) cnx.commit() cursor.close() cnx.close() def find_file(self, file_name_keyword, file_ext, search_dir): """ :param file_name_keyword: keyword used to look for the csar file, case insensitive matching, e.g, infra :param file_ext: e.g., csar, json :param search_dir path to search :return: path name of the file """ file_name_keyword = file_name_keyword.lower() file_ext = file_ext.lower() if not file_ext.startswith('.'): file_ext = '.' + file_ext filenamepath = None for file_name in os.listdir(search_dir): file_name_lower = file_name.lower() if file_name_keyword in file_name_lower and file_name_lower.endswith(file_ext): if filenamepath: self.logger.error('Multiple files found for *{0}*.{1} in ' 'directory {2}'.format(file_name_keyword, file_ext, search_dir)) sys.exit() filenamepath = os.path.abspath(os.path.join(search_dir, file_name)) if filenamepath: return filenamepath else: self.logger.error("Cannot find *{0}*{1} in directory {2}".format(file_name_keyword, file_ext, search_dir)) sys.exit() @staticmethod def network_name_to_subnet_name(network_name): """ :param network_name: example: vcpe_net_cpe_signal_201711281221 :return: vcpe_net_cpe_signal_subnet_201711281221 """ fields = network_name.split('_') fields.insert(-1, 'subnet') return '_'.join(fields) def set_network_name(self, network_name): param = ' '.join([k + ' ' + v for k, v in self.cloud.items()]) openstackcmd = 'openstack ' + param cmd = ' '.join([openstackcmd, 'network set --name', network_name, 'ONAP-NW1']) os.popen(cmd) def set_subnet_name(self, network_name): """ Example: network_name = vcpe_net_cpe_signal_201711281221 set subnet name to vcpe_net_cpe_signal_subnet_201711281221 :return: """ param = ' '.join([k + ' ' + v for k, v in self.cloud.items()]) openstackcmd = 'openstack ' + param # expected results: | subnets | subnet_id | subnet_info = os.popen(openstackcmd + ' network show ' + network_name + ' |grep subnets').read().split('|') if len(subnet_info) > 2 and subnet_info[1].strip() == 'subnets': subnet_id = subnet_info[2].strip() subnet_name = self.network_name_to_subnet_name(network_name) cmd = ' '.join([openstackcmd, 'subnet set --name', subnet_name, subnet_id]) os.popen(cmd) self.logger.info("Subnet name set to: " + subnet_name) return True else: self.logger.error("Can't get subnet info from network name: " + network_name) return False def is_node_in_aai(self, node_type, node_uuid): key = None search_node_type = None if node_type == 'service': search_node_type = 'service-instance' key = 'service-instance-id' elif node_type == 'vnf': search_node_type = 'generic-vnf' key = 'vnf-id' else: logging.error('Invalid node_type: ' + node_type) sys.exit() url = 'https://{0}:{1}/aai/v11/search/nodes-query?search-node-type={2}&filter={3}:EQUALS:{4}'.format( self.hosts['aai-inst1'], self.aai_query_port, search_node_type, key, node_uuid) headers = {'Content-Type': 'application/json', 'Accept': 'application/json', 'X-FromAppID': 'vCPE-Robot', 'X-TransactionId': 'get_aai_subscr'} requests.packages.urllib3.disable_warnings() r = requests.get(url, headers=headers, auth=self.aai_userpass, verify=False) response = r.json() self.logger.debug('aai query: ' + url) self.logger.debug('aai response:\n' + json.dumps(response, indent=4, sort_keys=True)) return 'result-data' in response @staticmethod def extract_ip_from_str(net_addr, net_addr_len, sz): """ :param net_addr: e.g. 10.5.12.0 :param net_addr_len: e.g. 24 :param sz: a string :return: the first IP address matching the network, e.g. 10.5.12.3 """ network = ipaddress.ip_network(unicode('{0}/{1}'.format(net_addr, net_addr_len)), strict=False) ip_list = re.findall(r'[0-9]+(?:\.[0-9]+){3}', sz) for ip in ip_list: this_net = ipaddress.ip_network(unicode('{0}/{1}'.format(ip, net_addr_len)), strict=False) if this_net == network: return str(ip) return None def get_pod_node_oam_ip(self, pod): """ :Assuming kubectl is available and configured by default config (~/.kube/config) :param pod: pod name substring, e.g. 'sdnc-sdnc-0' :return pod's cluster node oam ip (10.0.0.0/16) """ ret = None config.load_kube_config() api = client.CoreV1Api() kslogger = logging.getLogger('kubernetes') kslogger.setLevel(logging.INFO) res = api.list_pod_for_all_namespaces() for i in res.items: if pod in i.metadata.name: self.logger.debug("found {0}\t{1}\t{2}".format(i.metadata.name, i.status.host_ip, i.spec.node_name)) ret = i.status.host_ip break if ret is None: ret = raw_input("Enter sdnc-sdnc-0 pod cluster node OAM IP address(10.0.0.0/16): ") return ret def get_pod_node_public_ip(self, pod): """ :Assuming kubectl is available and configured by default config (~/.kube/config) :param pod: pod name substring, e.g. 'sdnc-sdnc-0' :return pod's cluster node public ip (i.e. 10.12.0.0/16) """ ret = None config.load_kube_config() api = client.CoreV1Api() kslogger = logging.getLogger('kubernetes') kslogger.setLevel(logging.INFO) res = api.list_pod_for_all_namespaces() for i in res.items: if pod in i.metadata.name: ret = self.get_vm_public_ip_by_nova(i.spec.node_name) self.logger.debug("found node {0} public ip: {1}".format(i.spec.node_name, ret)) break if ret is None: ret = raw_input("Enter sdnc-sdnc-0 pod cluster node public IP address(i.e. 10.12.0.0/16): ") return ret def get_vm_public_ip_by_nova(self, vm): """ This method uses openstack nova api to retrieve vm public ip :param vm: vm name :return vm public ip """ subnet = IPNetwork('{0}/{1}'.format(self.external_net_addr, self.external_net_prefix_len)) nova = openstackclient.Client(2, self.cloud['--os-username'], self.cloud['--os-password'], self.cloud['--os-tenant-id'], self.cloud['--os-auth-url']) for i in nova.servers.list(): if i.name == vm: for k, v in i.networks.items(): for ip in v: if IPAddress(ip) in subnet: return ip return None def get_vm_ip(self, keywords, net_addr=None, net_addr_len=None): """ :param keywords: list of keywords to search for vm, e.g. ['bng', 'gmux', 'brg'] :param net_addr: e.g. 10.12.5.0 :param net_addr_len: e.g. 24 :return: dictionary {keyword: ip} """ if not net_addr: net_addr = self.external_net_addr if not net_addr_len: net_addr_len = self.external_net_prefix_len param = ' '.join([k + ' ' + v for k, v in self.cloud.items() if 'identity' not in k]) openstackcmd = 'nova ' + param + ' list' self.logger.debug(openstackcmd) results = os.popen(openstackcmd).read() all_vm_ip_dict = self.extract_vm_ip_as_dict(results, net_addr, net_addr_len) latest_vm_list = self.remove_old_vms(all_vm_ip_dict.keys(), self.cpe_vm_prefix) latest_vm_ip_dict = {vm: all_vm_ip_dict[vm] for vm in latest_vm_list} ip_dict = self.select_subset_vm_ip(latest_vm_ip_dict, keywords) if self.oom_mode: ip_dict.update(self.get_oom_onap_vm_ip(keywords)) if len(ip_dict) != len(keywords): self.logger.error('Cannot find all desired IP addresses for %s.', keywords) self.logger.error(json.dumps(ip_dict, indent=4, sort_keys=True)) self.logger.error('Temporarily continue.. remember to check back vcpecommon.py line: 396') # sys.exit() return ip_dict def get_oom_onap_vm_ip(self, keywords): vm_ip = {} onap_vm_list = set(['sdc', 'so', 'sdnc', 'aai-inst1', 'robot', self.dcae_ves_collector_name]) for vm in keywords: if vm in onap_vm_list: vm_ip[vm] = self.oom_so_sdnc_aai_ip return vm_ip def extract_vm_ip_as_dict(self, novalist_results, net_addr, net_addr_len): vm_ip_dict = {} for line in novalist_results.split('\n'): fields = line.split('|') if len(fields) == 8: vm_name = fields[2] ip_info = fields[-2] ip = self.extract_ip_from_str(net_addr, net_addr_len, ip_info) vm_ip_dict[vm_name] = ip return vm_ip_dict def remove_old_vms(self, vm_list, prefix): """ For vms with format name_timestamp, only keep the one with the latest timestamp. E.g., zdcpe1cpe01brgemu01_201805222148 (drop this) zdcpe1cpe01brgemu01_201805222229 (keep this) zdcpe1cpe01gw01_201805162201 """ new_vm_list = [] same_type_vm_dict = {} for vm in vm_list: fields = vm.split('_') if vm.startswith(prefix) and len(fields) == 2 and len(fields[-1]) == len('201805222148') and fields[-1].isdigit(): if vm > same_type_vm_dict.get(fields[0], '0'): same_type_vm_dict[fields[0]] = vm else: new_vm_list.append(vm) new_vm_list.extend(same_type_vm_dict.values()) return new_vm_list def select_subset_vm_ip(self, all_vm_ip_dict, vm_name_keyword_list): vm_ip_dict = {} for keyword in vm_name_keyword_list: for vm, ip in all_vm_ip_dict.items(): if keyword in vm: vm_ip_dict[keyword] = ip break return vm_ip_dict def del_vgmux_ves_mode(self): url = self.vpp_ves_url.format(self.hosts['mux']) + '/mode' r = requests.delete(url, headers=self.vpp_api_headers, auth=self.vpp_api_userpass) self.logger.debug('%s', r) def del_vgmux_ves_collector(self): url = self.vpp_ves_url.format(self.hosts['mux']) + '/config' r = requests.delete(url, headers=self.vpp_api_headers, auth=self.vpp_api_userpass) self.logger.debug('%s', r) def set_vgmux_ves_collector(self ): url = self.vpp_ves_url.format(self.hosts['mux']) data = {'config': {'server-addr': self.hosts[self.dcae_ves_collector_name], 'server-port': '30235' if self.oom_mode else '8081', 'read-interval': '10', 'is-add':'1' } } r = requests.post(url, headers=self.vpp_api_headers, auth=self.vpp_api_userpass, json=data) self.logger.debug('%s', r) def set_vgmux_packet_loss_rate(self, lossrate, vg_vnf_instance_name): url = self.vpp_ves_url.format(self.hosts['mux']) data = {"mode": {"working-mode": "demo", "base-packet-loss": str(lossrate), "source-name": vg_vnf_instance_name } } r = requests.post(url, headers=self.vpp_api_headers, auth=self.vpp_api_userpass, json=data) self.logger.debug('%s', r) # return all the VxLAN interface names of BRG or vGMUX based on the IP address def get_vxlan_interfaces(self, ip, print_info=False): url = self.vpp_inf_url.format(ip) self.logger.debug('url is this: %s', url) r = requests.get(url, headers=self.vpp_api_headers, auth=self.vpp_api_userpass) data = r.json()['interfaces']['interface'] if print_info: for inf in data: if 'name' in inf and 'type' in inf and inf['type'] == 'v3po:vxlan-tunnel': print(json.dumps(inf, indent=4, sort_keys=True)) return [inf['name'] for inf in data if 'name' in inf and 'type' in inf and inf['type'] == 'v3po:vxlan-tunnel'] # delete all VxLAN interfaces of each hosts def delete_vxlan_interfaces(self, host_dic): for host, ip in host_dic.items(): deleted = False self.logger.info('{0}: Getting VxLAN interfaces'.format(host)) inf_list = self.get_vxlan_interfaces(ip) for inf in inf_list: deleted = True time.sleep(2) self.logger.info("{0}: Deleting VxLAN crossconnect {1}".format(host, inf)) url = self.vpp_inf_url.format(ip) + '/interface/' + inf + '/v3po:l2' requests.delete(url, headers=self.vpp_api_headers, auth=self.vpp_api_userpass) for inf in inf_list: deleted = True time.sleep(2) self.logger.info("{0}: Deleting VxLAN interface {1}".format(host, inf)) url = self.vpp_inf_url.format(ip) + '/interface/' + inf requests.delete(url, headers=self.vpp_api_headers, auth=self.vpp_api_userpass) if len(self.get_vxlan_interfaces(ip)) > 0: self.logger.error("Error deleting VxLAN from {0}, try to restart the VM, IP is {1}.".format(host, ip)) return False if not deleted: self.logger.info("{0}: no VxLAN interface found, nothing to delete".format(host)) return True @staticmethod def save_object(obj, filepathname): with open(filepathname, 'wb') as fout: pickle.dump(obj, fout) @staticmethod def load_object(filepathname): with open(filepathname, 'rb') as fin: return pickle.load(fin) @staticmethod def increase_ip_address_or_vni_in_template(vnf_template_file, vnf_parameter_name_list): with open(vnf_template_file) as json_input: json_data = json.load(json_input) param_list = json_data['VNF-API:input']['VNF-API:vnf-topology-information']['VNF-API:vnf-parameters'] for param in param_list: if param['vnf-parameter-name'] in vnf_parameter_name_list: ipaddr_or_vni = param['vnf-parameter-value'].split('.') number = int(ipaddr_or_vni[-1]) if 254 == number: number = 10 else: number = number + 1 ipaddr_or_vni[-1] = str(number) param['vnf-parameter-value'] = '.'.join(ipaddr_or_vni) assert json_data is not None with open(vnf_template_file, 'w') as json_output: json.dump(json_data, json_output, indent=4, sort_keys=True) def save_preload_data(self, preload_data): self.save_object(preload_data, self.preload_dict_file) def load_preload_data(self): return self.load_object(self.preload_dict_file) def save_vgmux_vnf_name(self, vgmux_vnf_name): self.save_object(vgmux_vnf_name, self.vgmux_vnf_name_file) def load_vgmux_vnf_name(self): return self.load_object(self.vgmux_vnf_name_file)