test/vcpe/preload.py

   1 #! /usr/bin/python
   2
   3 import requests
   4 import json
   5 import sys
   6 from datetime import datetime
   7 from vcpecommon import *
   8 import csar_parser
   9 import logging
  10 import base64
  11
  12
  13 class Preload:
  14     def __init__(self, vcpecommon):
  15         self.logger = logging.getLogger(__name__)
  16         self.logger.setLevel(logging.DEBUG)
  17         self.vcpecommon = vcpecommon
  18
  19     def replace(self, sz, replace_dict):
  20         for old_string, new_string in replace_dict.items():
  21             sz = sz.replace(old_string, new_string)
  22         if self.vcpecommon.template_variable_symbol in sz:
  23             self.logger.error('Error! Cannot find a value to replace ' + sz)
  24         return sz
  25
  26     def generate_json(self, template_file, replace_dict):
  27         with open(template_file) as json_input:
  28             json_data = json.load(json_input)
  29             stk = [json_data]
  30             while len(stk) > 0:
  31                 data = stk.pop()
  32                 for k, v in data.items():
  33                     if type(v) is dict:
  34                         stk.append(v)
  35                     elif type(v) is list:
  36                         stk.extend(v)
  37                     elif type(v) is str or type(v) is unicode:
  38                         if self.vcpecommon.template_variable_symbol in v:
  39                             data[k] = self.replace(v, replace_dict)
  40                     else:
  41                         self.logger.warning('Unexpected line in template: %s. Look for value %s', template_file, v)
  42         return json_data
  43
  44     def reset_sniro(self):
  45         self.logger.debug('Clearing SNIRO data')
  46         r = requests.post(self.vcpecommon.sniro_url + '/reset', headers=self.vcpecommon.sniro_headers)
  47         if 2 != r.status_code / 100:
  48             self.logger.debug(r.content)
  49             self.logger.error('Clearing SNIRO date failed.')
  50             sys.exit()
  51
  52     def preload_sniro(self, template_sniro_data, template_sniro_request, tunnelxconn_ar_name, vgw_name, vbrg_ar_name,
  53                       vgmux_svc_instance_uuid, vbrg_svc_instance_uuid):
  54         self.reset_sniro()
  55         self.logger.info('Preloading SNIRO for homing service')
  56         replace_dict = {'${tunnelxconn_ar_name}': tunnelxconn_ar_name,
  57                         '${vgw_name}': vgw_name,
  58                         '${brg_ar_name}': vbrg_ar_name,
  59                         '${vgmux_svc_instance_uuid}': vgmux_svc_instance_uuid,
  60                         '${vbrg_svc_instance_uuid}': vbrg_svc_instance_uuid
  61                         }
  62         sniro_data = self.generate_json(template_sniro_data, replace_dict)
  63         self.logger.debug('SNIRO data:')
  64         self.logger.debug(json.dumps(sniro_data, indent=4, sort_keys=True))
  65
  66         base64_sniro_data = base64.b64encode(json.dumps(sniro_data))
  67         self.logger.debug('SNIRO data: 64')
  68         self.logger.debug(base64_sniro_data)
  69         replace_dict = {'${base64_sniro_data}': base64_sniro_data, '${sniro_ip}': self.vcpecommon.hosts['robot']}
  70         sniro_request = self.generate_json(template_sniro_request, replace_dict)
  71         self.logger.debug('SNIRO request:')
  72         self.logger.debug(json.dumps(sniro_request, indent=4, sort_keys=True))
  73
  74         r = requests.post(self.vcpecommon.sniro_url, headers=self.vcpecommon.sniro_headers, json=sniro_request)
  75         if 2 != r.status_code / 100:
  76             response = r.json()
  77             self.logger.debug(json.dumps(response, indent=4, sort_keys=True))
  78             self.logger.error('SNIRO preloading failed.')
  79             sys.exit()
  80
  81         return True
  82
  83     def preload_network(self, template_file, network_role, subnet_start_ip, subnet_gateway, common_dict, name_suffix):
  84         """
  85         :param template_file:
  86         :param network_role: cpe_signal, cpe_public, brg_bng, bng_mux, mux_gw
  87         :param subnet_start_ip:
  88         :param subnet_gateway:
  89         :param name_suffix: e.g. '201711201311'
  90         :return:
  91         """
  92         network_name = '_'.join([self.vcpecommon.instance_name_prefix['network'], network_role.lower(), name_suffix])
  93         subnet_name = self.vcpecommon.network_name_to_subnet_name(network_name)
  94         common_dict['${' + network_role+'_net}'] = network_name
  95         common_dict['${' + network_role+'_subnet}'] = subnet_name
  96         replace_dict = {'${network_role}': network_role,
  97                         '${service_type}': 'vCPE',
  98                         '${network_type}': 'Generic NeutronNet',
  99                         '${network_name}': network_name,
 100                         '${subnet_start_ip}': subnet_start_ip,
 101                         '${subnet_gateway}': subnet_gateway
 102                         }
 103         self.logger.info('Preloading network ' + network_role)
 104         return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_network_url)
 105
 106     def preload(self, template_file, replace_dict, url):
 107         json_data = self.generate_json(template_file, replace_dict)
 108         self.logger.debug(json.dumps(json_data, indent=4, sort_keys=True))
 109         r = requests.post(url, headers=self.vcpecommon.sdnc_headers, auth=self.vcpecommon.sdnc_userpass, json=json_data)
 110         response = r.json()
 111         if int(response.get('output', {}).get('response-code', 0)) != 200:
 112             self.logger.debug(json.dumps(response, indent=4, sort_keys=True))
 113             self.logger.error('Preloading failed.')
 114             return False
 115         return True
 116
 117     def preload_vgw(self, template_file, brg_mac, commont_dict, name_suffix):
 118         replace_dict = {'${brg_mac}': brg_mac,
 119                         '${suffix}': name_suffix
 120                         }
 121         replace_dict.update(commont_dict)
 122         self.logger.info('Preloading vGW')
 123         return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_vnf_url)
 124
 125     def preload_vgw_gra(self, template_file, brg_mac, commont_dict, name_suffix, vgw_vfmod_name_index):
 126         replace_dict = {'${brg_mac}': brg_mac,
 127                         '${suffix}': name_suffix,
 128                         '${vgw_vfmod_name_index}': vgw_vfmod_name_index
 129                         }
 130         replace_dict.update(commont_dict)
 131         self.logger.info('Preloading vGW-GRA')
 132         return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_gra_url)
 133
 134     def preload_vfmodule(self, template_file, service_instance_id, vnf_model, vfmodule_model, common_dict, name_suffix):
 135         """
 136         :param template_file:
 137         :param service_instance_id:
 138         :param vnf_model:  parsing results from csar_parser
 139         :param vfmodule_model:  parsing results from csar_parser
 140         :param common_dict:
 141         :param name_suffix:
 142         :return:
 143         """
 144
 145         # examples:
 146         # vfmodule_model['modelCustomizationName']: "Vspinfra111601..base_vcpe_infra..module-0",
 147         # vnf_model['modelCustomizationName']: "vspinfra111601 0",
 148
 149         vfmodule_name = '_'.join([self.vcpecommon.instance_name_prefix['vfmodule'],
 150                                   vfmodule_model['modelCustomizationName'].split('..')[0].lower(), name_suffix])
 151
 152         # vnf_type and generic_vnf_type are identical
 153         replace_dict = {'${vnf_type}': vfmodule_model['modelCustomizationName'],
 154                         '${generic_vnf_type}': vfmodule_model['modelCustomizationName'],
 155                         '${service_type}': service_instance_id,
 156                         '${generic_vnf_name}': vnf_model['modelCustomizationName'],
 157                         '${vnf_name}': vfmodule_name,
 158                         '${mr_ip_addr}': self.vcpecommon.mr_ip_addr,
 159                         '${mr_ip_port}': self.vcpecommon.mr_ip_port,
 160                         '${sdnc_oam_ip}': self.vcpecommon.sdnc_oam_ip,
 161                         '${suffix}': name_suffix}
 162         replace_dict.update(common_dict)
 163         self.logger.info('Preloading VF Module ' + vfmodule_name)
 164         return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_vnf_url)
 165
 166     def preload_all_networks(self, template_file, name_suffix):
 167         common_dict = {'${' + k + '}': v for k, v in self.vcpecommon.common_preload_config.items()}
 168         for network, v in self.vcpecommon.preload_network_config.items():
 169             subnet_start_ip, subnet_gateway_ip = v
 170             if not self.preload_network(template_file, network, subnet_start_ip, subnet_gateway_ip,
 171                                         common_dict, name_suffix):
 172                 return None
 173         return common_dict
 174
 175     def test(self):
 176         # this is for testing purpose
 177         name_suffix = datetime.now().strftime('%Y%m%d%H%M')
 178         vcpecommon = VcpeCommon()
 179         preloader = Preload(vcpecommon)
 180
 181         network_dict = {'${' + k + '}': v for k, v in self.vcpecommon.common_preload_config.items()}
 182         template_file = 'preload_templates/template.network.json'
 183         for k, v in self.vcpecommon.preload_network_config.items():
 184             if not preloader.preload_network(template_file, k, v[0], v[1], network_dict, name_suffix):
 185                 break
 186
 187         print('---------------------------------------------------------------')
 188         print('Network related replacement dictionary:')
 189         print(json.dumps(network_dict, indent=4, sort_keys=True))
 190         print('---------------------------------------------------------------')
 191
 192         keys = ['infra', 'bng', 'gmux', 'brg']
 193         for key in keys:
 194             csar_file = self.vcpecommon.find_file(key, 'csar', 'csar')
 195             template_file = self.vcpecommon.find_file(key, 'json', 'preload_templates')
 196             if csar_file and template_file:
 197                 parser = csar_parser.CsarParser()
 198                 parser.parse_csar(csar_file)
 199                 service_instance_id = 'test112233'
 200                 preloader.preload_vfmodule(template_file, service_instance_id, parser.vnf_models[0],
 201                                            parser.vfmodule_models[0], network_dict, name_suffix)
 202
 203     def test_sniro(self):
 204         template_sniro_data = self.vcpecommon.find_file('sniro_data', 'json', 'preload_templates')
 205         template_sniro_request = self.vcpecommon.find_file('sniro_request', 'json', 'preload_templates')
 206
 207         vcperescust_csar = self.vcpecommon.find_file('rescust', 'csar', 'csar')
 208         parser = csar_parser.CsarParser()
 209         parser.parse_csar(vcperescust_csar)
 210         tunnelxconn_ar_name = None
 211         brg_ar_name = None
 212         vgw_name = None
 213         for model in parser.vnf_models:
 214             if 'tunnel' in model['modelCustomizationName']:
 215                 tunnelxconn_ar_name = model['modelCustomizationName']
 216             elif 'brg' in model['modelCustomizationName']:
 217                 brg_ar_name = model['modelCustomizationName']
 218             elif 'vgw' in model['modelCustomizationName']:
 219                 vgw_name = model['modelCustomizationName']
 220
 221         if not (tunnelxconn_ar_name and brg_ar_name and vgw_name):
 222             self.logger.error('Cannot find all names from %s.', vcperescust_csar)
 223             sys.exit()
 224
 225         vgmux_svc_instance_uuid = '88888888888888'
 226         vbrg_svc_instance_uuid = '999999999999999'
 227
 228         self.preload_sniro(template_sniro_data, template_sniro_request, tunnelxconn_ar_name, vgw_name, brg_ar_name,
 229                            vgmux_svc_instance_uuid, vbrg_svc_instance_uuid)