diff options
Diffstat (limited to 'vcpe_beijing/vcpe/preload.py')
| -rw-r--r-- | vcpe_beijing/vcpe/preload.py | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/vcpe_beijing/vcpe/preload.py b/vcpe_beijing/vcpe/preload.py new file mode 100644 index 0000000..adbe3a4 --- /dev/null +++ b/vcpe_beijing/vcpe/preload.py @@ -0,0 +1,220 @@ +#! /usr/bin/python + +import requests +import json +import sys +from datetime import datetime +from vcpecommon import * +import csar_parser +import logging +import base64 + + +class Preload: + def __init__(self, vcpecommon): + self.logger = logging.getLogger(__name__) + self.vcpecommon = vcpecommon + + def replace(self, sz, replace_dict): + for old_string, new_string in replace_dict.items(): + sz = sz.replace(old_string, new_string) + if self.vcpecommon.template_variable_symbol in sz: + self.logger.error('Error! Cannot find a value to replace ' + sz) + return sz + + def generate_json(self, template_file, replace_dict): + with open(template_file) as json_input: + json_data = json.load(json_input) + stk = [json_data] + while len(stk) > 0: + data = stk.pop() + for k, v in data.items(): + if type(v) is dict: + stk.append(v) + elif type(v) is list: + stk.extend(v) + elif type(v) is str or type(v) is unicode: + if self.vcpecommon.template_variable_symbol in v: + data[k] = self.replace(v, replace_dict) + else: + self.logger.warning('Unexpected line in template: %s. Look for value %s', template_file, v) + return json_data + + def reset_sniro(self): + self.logger.debug('Clearing SNIRO data') + r = requests.post(self.vcpecommon.sniro_url + '/reset', headers=self.vcpecommon.sniro_headers) + if 2 != r.status_code / 100: + self.logger.debug(r.content) + self.logger.error('Clearing SNIRO date failed.') + sys.exit() + + def preload_sniro(self, template_sniro_data, template_sniro_request, tunnelxconn_ar_name, vgw_name, vbrg_ar_name, + vgmux_svc_instance_uuid, vbrg_svc_instance_uuid): + self.reset_sniro() + self.logger.info('Preloading SNIRO for homing service') + replace_dict = {'${tunnelxconn_ar_name}': tunnelxconn_ar_name, + '${vgw_name}': vgw_name, + '${brg_ar_name}': vbrg_ar_name, + '${vgmux_svc_instance_uuid}': vgmux_svc_instance_uuid, + '${vbrg_svc_instance_uuid}': vbrg_svc_instance_uuid + } + sniro_data = self.generate_json(template_sniro_data, replace_dict) + self.logger.debug('SNIRO data:') + self.logger.debug(json.dumps(sniro_data, indent=4, sort_keys=True)) + + base64_sniro_data = base64.b64encode(json.dumps(sniro_data)) + self.logger.debug('SNIRO data: 64') + self.logger.debug(base64_sniro_data) + replace_dict = {'${base64_sniro_data}': base64_sniro_data, '${sniro_ip}': self.vcpecommon.hosts['robot']} + sniro_request = self.generate_json(template_sniro_request, replace_dict) + self.logger.debug('SNIRO request:') + self.logger.debug(json.dumps(sniro_request, indent=4, sort_keys=True)) + + r = requests.post(self.vcpecommon.sniro_url, headers=self.vcpecommon.sniro_headers, json=sniro_request) + if 2 != r.status_code / 100: + response = r.json() + self.logger.debug(json.dumps(response, indent=4, sort_keys=True)) + self.logger.error('SNIRO preloading failed.') + sys.exit() + + return True + + def preload_network(self, template_file, network_role, subnet_start_ip, subnet_gateway, common_dict, name_suffix): + """ + :param template_file: + :param network_role: cpe_signal, cpe_public, brg_bng, bng_mux, mux_gw + :param subnet_start_ip: + :param subnet_gateway: + :param name_suffix: e.g. '201711201311' + :return: + """ + network_name = '_'.join([self.vcpecommon.instance_name_prefix['network'], network_role.lower(), name_suffix]) + subnet_name = self.vcpecommon.network_name_to_subnet_name(network_name) + common_dict['${' + network_role+'_net}'] = network_name + common_dict['${' + network_role+'_subnet}'] = subnet_name + replace_dict = {'${network_role}': network_role, + '${service_type}': 'vCPE', + '${network_type}': 'Generic NeutronNet', + '${network_name}': network_name, + '${subnet_start_ip}': subnet_start_ip, + '${subnet_gateway}': subnet_gateway + } + self.logger.info('Preloading network ' + network_role) + return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_network_url) + + def preload(self, template_file, replace_dict, url): + json_data = self.generate_json(template_file, replace_dict) + self.logger.debug(json.dumps(json_data, indent=4, sort_keys=True)) + r = requests.post(url, headers=self.vcpecommon.sdnc_headers, auth=self.vcpecommon.sdnc_userpass, json=json_data) + response = r.json() + + self.logger.info('response from requests.post() in preload() is: ') + self.logger.info(json.dumps(response, indent=4, sort_keys=True)) + + if int(response.get('output', {}).get('response-code', 0)) != 200: + self.logger.debug(json.dumps(response, indent=4, sort_keys=True)) + self.logger.error('Preloading failed.') + return False + return True + + def preload_vgw(self, template_file, brg_mac, commont_dict, name_suffix): + replace_dict = {'${brg_mac}': brg_mac, + '${suffix}': name_suffix + } + replace_dict.update(commont_dict) + self.logger.info('Preloading vGW') + return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_vnf_url) + + def preload_vfmodule(self, template_file, service_instance_id, vnf_model, vfmodule_model, common_dict, name_suffix): + """ + :param template_file: + :param service_instance_id: + :param vnf_model: parsing results from csar_parser + :param vfmodule_model: parsing results from csar_parser + :param common_dict: + :param name_suffix: + :return: + """ + + # examples: + # vfmodule_model['modelCustomizationName']: "Vspinfra111601..base_vcpe_infra..module-0", + # vnf_model['modelCustomizationName']: "vspinfra111601 0", + + vfmodule_name = '_'.join([self.vcpecommon.instance_name_prefix['vfmodule'], + vfmodule_model['modelCustomizationName'].split('..')[0].lower(), name_suffix]) + + # vnf_type and generic_vnf_type are identical + replace_dict = {'${vnf_type}': vfmodule_model['modelCustomizationName'], + '${generic_vnf_type}': vfmodule_model['modelCustomizationName'], + '${service_type}': service_instance_id, + '${generic_vnf_name}': vnf_model['modelCustomizationName'], + '${vnf_name}': vfmodule_name, + '${suffix}': name_suffix} + replace_dict.update(common_dict) + self.logger.info('Preloading VF Module ' + vfmodule_name) + return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_vnf_url) + + def preload_all_networks(self, template_file, name_suffix): + common_dict = {'${' + k + '}': v for k, v in self.vcpecommon.common_preload_config.items()} + for network, v in self.vcpecommon.preload_network_config.items(): + subnet_start_ip, subnet_gateway_ip = v + if not self.preload_network(template_file, network, subnet_start_ip, subnet_gateway_ip, + common_dict, name_suffix): + return None + return common_dict + + def test(self): + # this is for testing purpose + name_suffix = datetime.now().strftime('%Y%m%d%H%M') + vcpecommon = VcpeCommon() + preloader = Preload(vcpecommon) + + network_dict = {'${' + k + '}': v for k, v in self.vcpecommon.common_preload_config.items()} + template_file = 'preload_templates/template.network.json' + for k, v in self.vcpecommon.preload_network_config.items(): + if not preloader.preload_network(template_file, k, v[0], v[1], network_dict, name_suffix): + break + + print('---------------------------------------------------------------') + print('Network related replacement dictionary:') + print(json.dumps(network_dict, indent=4, sort_keys=True)) + print('---------------------------------------------------------------') + + keys = ['infra', 'bng', 'gmux', 'brg'] + for key in keys: + csar_file = self.vcpecommon.find_file(key, 'csar', 'csar') + template_file = self.vcpecommon.find_file(key, 'json', 'preload_templates') + if csar_file and template_file: + parser = csar_parser.CsarParser() + parser.parse_csar(csar_file) + service_instance_id = 'test112233' + preloader.preload_vfmodule(template_file, service_instance_id, parser.vnf_models[0], + parser.vfmodule_models[0], network_dict, name_suffix) + + def test_sniro(self): + template_sniro_data = self.vcpecommon.find_file('sniro_data', 'json', 'preload_templates') + template_sniro_request = self.vcpecommon.find_file('sniro_request', 'json', 'preload_templates') + + vcperescust_csar = self.vcpecommon.find_file('rescust', 'csar', 'csar') + parser = csar_parser.CsarParser() + parser.parse_csar(vcperescust_csar) + tunnelxconn_ar_name = None + brg_ar_name = None + vgw_name = None + for model in parser.vnf_models: + if 'tunnel' in model['modelCustomizationName']: + tunnelxconn_ar_name = model['modelCustomizationName'] + elif 'brg' in model['modelCustomizationName']: + brg_ar_name = model['modelCustomizationName'] + elif 'vgw' in model['modelCustomizationName']: + vgw_name = model['modelCustomizationName'] + + if not (tunnelxconn_ar_name and brg_ar_name and vgw_name): + self.logger.error('Cannot find all names from %s.', vcperescust_csar) + sys.exit() + + vgmux_svc_instance_uuid = '88888888888888' + vbrg_svc_instance_uuid = '999999999999999' + + self.preload_sniro(template_sniro_data, template_sniro_request, tunnelxconn_ar_name, vgw_name, brg_ar_name, + vgmux_svc_instance_uuid, vbrg_svc_instance_uuid) |