test/vcpe/preload.py

   1 #!/usr/bin/env python
   2
   3 import requests
   4 import json
   5 import sys
   6 from datetime import datetime
   7 import csar_parser
   8 import logging
   9 import base64
  10
  11
  12 class Preload:
  13     def __init__(self, vcpecommon):
  14         self.logger = logging.getLogger(__name__)
  15         self.logger.setLevel(logging.DEBUG)
  16         self.vcpecommon = vcpecommon
  17
  18     def replace(self, sz, replace_dict):
  19         for old_string, new_string in replace_dict.items():
  20             sz = sz.replace(old_string, new_string)
  21         if self.vcpecommon.template_variable_symbol in sz:
  22             self.logger.error('Error! Cannot find a value to replace ' + sz)
  23         return sz
  24
  25     def generate_json(self, template_file, replace_dict):
  26         with open(template_file) as json_input:
  27             json_data = json.load(json_input)
  28             stk = [json_data]
  29             while stk:
  30                 data = stk.pop()
  31                 for k, v in data.items():
  32                     if type(v) is dict:
  33                         stk.append(v)
  34                     elif type(v) is list:
  35                         stk.extend(v)
  36                     elif type(v) is str or type(v) is unicode: # pylint: disable=E0602
  37                         if self.vcpecommon.template_variable_symbol in v:
  38                             data[k] = self.replace(v, replace_dict)
  39                     else:
  40                         self.logger.warning('Unexpected line in template: %s. Look for value %s', template_file, v)
  41         return json_data
  42
  43     def reset_sniro(self):
  44         self.logger.debug('Clearing SNIRO data')
  45         r = requests.post(self.vcpecommon.sniro_url + '/reset', headers=self.vcpecommon.sniro_headers)
  46         if 2 != r.status_code / 100:
  47             self.logger.debug(r.content)
  48             self.logger.error('Clearing SNIRO date failed.')
  49             sys.exit(1)
  50
  51     def preload_sniro(self, template_sniro_data, template_sniro_request, tunnelxconn_ar_name, vgw_name, vbrg_ar_name,
  52                       vgmux_svc_instance_uuid, vbrg_svc_instance_uuid):
  53         self.reset_sniro()
  54         self.logger.info('Preloading SNIRO for homing service')
  55         replace_dict = {'${tunnelxconn_ar_name}': tunnelxconn_ar_name,
  56                         '${vgw_name}': vgw_name,
  57                         '${brg_ar_name}': vbrg_ar_name,
  58                         '${vgmux_svc_instance_uuid}': vgmux_svc_instance_uuid,
  59                         '${vbrg_svc_instance_uuid}': vbrg_svc_instance_uuid
  60                         }
  61         sniro_data = self.generate_json(template_sniro_data, replace_dict)
  62         self.logger.debug('SNIRO data:')
  63         self.logger.debug(json.dumps(sniro_data, indent=4, sort_keys=True))
  64
  65         base64_sniro_data = base64.b64encode(json.dumps(sniro_data))
  66         self.logger.debug('SNIRO data: 64')
  67         self.logger.debug(base64_sniro_data)
  68         replace_dict = {'${base64_sniro_data}': base64_sniro_data, '${sniro_ip}': self.vcpecommon.hosts['robot']}
  69         sniro_request = self.generate_json(template_sniro_request, replace_dict)
  70         self.logger.debug('SNIRO request:')
  71         self.logger.debug(json.dumps(sniro_request, indent=4, sort_keys=True))
  72
  73         r = requests.post(self.vcpecommon.sniro_url, headers=self.vcpecommon.sniro_headers, json=sniro_request)
  74         if 2 != r.status_code / 100:
  75             response = r.json()
  76             self.logger.debug(json.dumps(response, indent=4, sort_keys=True))
  77             self.logger.error('SNIRO preloading failed.')
  78             sys.exit(1)
  79
  80         return True
  81
  82     def preload_network(self, template_file, network_role, subnet_start_ip, subnet_gateway, common_dict, name_suffix):
  83         """
  84         :param template_file:
  85         :param network_role: cpe_signal, cpe_public, brg_bng, bng_mux, mux_gw
  86         :param subnet_start_ip:
  87         :param subnet_gateway:
  88         :param name_suffix: e.g. '201711201311'
  89         :return:
  90         """
  91         network_name = '_'.join([self.vcpecommon.instance_name_prefix['network'], network_role.lower(), name_suffix])
  92         subnet_name = self.vcpecommon.network_name_to_subnet_name(network_name)
  93         common_dict['${' + network_role+'_net}'] = network_name
  94         common_dict['${' + network_role+'_subnet}'] = subnet_name
  95         replace_dict = {'${network_role}': network_role,
  96                         '${service_type}': 'vCPE',
  97                         '${network_type}': 'Generic NeutronNet',
  98                         '${network_name}': network_name,
  99                         '${subnet_start_ip}': subnet_start_ip,
 100                         '${subnet_gateway}': subnet_gateway
 101                         }
 102         self.logger.info('Preloading network ' + network_role)
 103         self.logger.info('template_file:' + template_file)
 104         if 'networkgra' in template_file:
 105             return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_network_gra_url)
 106         else:
 107             return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_network_url)
 108
 109     def preload(self, template_file, replace_dict, url):
 110         self.logger.debug('tempalte_file:'+ template_file)
 111         json_data = self.generate_json(template_file, replace_dict)
 112         self.logger.debug(json.dumps(json_data, indent=4, sort_keys=True))
 113         r = requests.post(url, headers=self.vcpecommon.sdnc_headers, auth=self.vcpecommon.sdnc_userpass, json=json_data, verify=False)
 114         response = r.json()
 115         if int(response.get('output', {}).get('response-code', 0)) != 200:
 116             self.logger.debug(json.dumps(response, indent=4, sort_keys=True))
 117             self.logger.error('Preloading failed.')
 118             return False
 119         return True
 120
 121     def preload_vgw(self, template_file, brg_mac, commont_dict, name_suffix):
 122         replace_dict = {'${brg_mac}': brg_mac,
 123                         '${suffix}': name_suffix
 124                         }
 125         replace_dict.update(commont_dict)
 126         self.logger.info('Preloading vGW')
 127         return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_vnf_url)
 128
 129     def preload_vgw_gra(self, template_file, brg_mac, commont_dict, name_suffix, vgw_vfmod_name_index):
 130         replace_dict = {'${brg_mac}': brg_mac,
 131                         '${suffix}': name_suffix,
 132                         '${vgw_vfmod_name_index}': vgw_vfmod_name_index
 133                         }
 134         replace_dict.update(commont_dict)
 135         self.logger.info('Preloading vGW-GRA')
 136         return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_gra_url)
 137
 138     def preload_vfmodule(self, template_file, service_instance_id, vnf_model, vfmodule_model, common_dict, name_suffix , gra_api_flag):
 139         """
 140         :param template_file:
 141         :param service_instance_id:
 142         :param vnf_model:  parsing results from csar_parser
 143         :param vfmodule_model:  parsing results from csar_parser
 144         :param common_dict:
 145         :param name_suffix:
 146         :return:
 147         """
 148
 149         # examples:
 150         # vfmodule_model['modelCustomizationName']: "Vspinfra111601..base_vcpe_infra..module-0",
 151         # vnf_model['modelCustomizationName']: "vspinfra111601 0",
 152
 153         vfmodule_name = '_'.join([self.vcpecommon.instance_name_prefix['vfmodule'],
 154                                   vfmodule_model['modelCustomizationName'].split('..')[0].lower(), name_suffix])
 155
 156         # vnf_type and generic_vnf_type are identical
 157         replace_dict = {'${vnf_type}': vfmodule_model['modelCustomizationName'],
 158                         '${generic_vnf_type}': vfmodule_model['modelCustomizationName'],
 159                         '${service_type}': service_instance_id,
 160                         '${generic_vnf_name}': vnf_model['modelCustomizationName'],
 161                         '${vnf_name}': vfmodule_name,
 162                         '${mr_ip_addr}': self.vcpecommon.mr_ip_addr,
 163                         '${mr_ip_port}': self.vcpecommon.mr_ip_port,
 164                         '${sdnc_oam_ip}': self.vcpecommon.sdnc_oam_ip,
 165                         '${suffix}': name_suffix}
 166         replace_dict.update(common_dict)
 167         self.logger.info('Preloading VF Module ' + vfmodule_name)
 168         if gra_api_flag:
 169             return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_gra_url)
 170         else:
 171             return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_vnf_url)
 172
 173     def preload_all_networks(self, template_file, name_suffix):
 174         common_dict = {'${' + k + '}': v for k, v in self.vcpecommon.common_preload_config.items()}
 175         for network, v in self.vcpecommon.preload_network_config.items():
 176             subnet_start_ip, subnet_gateway_ip = v
 177             if not self.preload_network(template_file, network, subnet_start_ip, subnet_gateway_ip,
 178                                         common_dict, name_suffix):
 179                 return None
 180         return common_dict
 181
 182     def aai_region_query(self, req_method, json=None, verify=False):
 183         """
 184         Perform actual AAI API request for region
 185         :param req_method: request method ({'get','put'})
 186         :param json: Json payload
 187         :param verify: SSL verify mode
 188         :return:
 189         """
 190         url, headers, auth = (self.vcpecommon.aai_region_query_url,
 191                               self.vcpecommon.aai_headers,
 192                               self.vcpecommon.aai_userpass)
 193         try:
 194             if req_method == 'get':
 195                 request = requests.get(url, headers=headers, auth=auth,
 196                                        verify=verify)
 197             elif req_method == 'put':
 198                 request = requests.put(url, headers=headers, auth=auth,
 199                                         verify=verify, json=json)
 200             else:
 201                 raise requests.exceptions.RequestException
 202         except requests.exceptions.RequestException as e:
 203             self.logger.error("Error connecting to AAI API. Error details: " + str(e.message))
 204             return False
 205         try:
 206             assert request.status_code == 200
 207         except AssertionError:
 208             self.logger.error('AAI request failed. API returned http code ' + str(request.status_code))
 209             return False
 210         try:
 211             return request.json()
 212         except ValueError as e:
 213             if req_method == 'get':
 214                 self.logger.error('Unable to parse AAI response: ' + e.message)
 215                 return False
 216             elif req_method == 'put':
 217                 return request.ok
 218             else:
 219                 return False
 220
 221     def preload_aai_data(self, template_aai_region_data):
 222         """
 223         Update aai region data with identity-url
 224         :param template_aai_region_data: path to region data template
 225         :return:
 226         """
 227         request = self.aai_region_query('get')
 228         if request:
 229             # Check if identity-url already updated (for idempotency)
 230             self.logger.debug("Regiond data acquired from AAI:\n" + json.dumps(request,indent=4))
 231             try:
 232                 assert request['identity-url']
 233             except KeyError:
 234                 pass
 235             else:
 236                 self.logger.info('Identity-url already present in {0} data, not updating'.format(self.vcpecommon.cloud['--os-region-name']))
 237                 return
 238
 239             # Get resource_version and relationship_list from region data
 240             resource_version = request['resource-version']
 241             relationship_list = request['relationship-list']
 242
 243             replace_dict = {'${identity-url}': self.vcpecommon.cloud['--os-auth-url'],
 244                             '${identity_api_version}': self.vcpecommon.cloud['--os-identity-api-version'],
 245                             '${region_name}': self.vcpecommon.cloud['--os-region-name'],
 246                             '${resource_version}': resource_version
 247                            }
 248             json_data = self.generate_json(template_aai_region_data, replace_dict)
 249             json_data['relationship-list'] = relationship_list
 250             self.logger.debug('Region update payload:\n' + json.dumps(json_data,indent=4))
 251         else:
 252             sys.exit(1)
 253
 254         # Update region data
 255         request = self.aai_region_query('put', json_data)
 256         if request:
 257             self.logger.info('Successully updated identity-url in {0} '
 258                     'region'.format(self.vcpecommon.cloud['--os-region-name']))
 259         else:
 260             sys.exit(1)
 261
 262     def test(self):
 263         # this is for testing purpose
 264         name_suffix = datetime.now().strftime('%Y%m%d%H%M')
 265         preloader = Preload(self.vcpecommon)
 266
 267         network_dict = {'${' + k + '}': v for k, v in self.vcpecommon.common_preload_config.items()}
 268         template_file = 'preload_templates/template.network.json'
 269         for k, v in self.vcpecommon.preload_network_config.items():
 270             if not preloader.preload_network(template_file, k, v[0], v[1], network_dict, name_suffix):
 271                 break
 272
 273         print('---------------------------------------------------------------')
 274         print('Network related replacement dictionary:')
 275         print(json.dumps(network_dict, indent=4, sort_keys=True))
 276         print('---------------------------------------------------------------')
 277
 278         keys = ['infra', 'bng', 'gmux', 'brg']
 279         for key in keys:
 280             key_vnf= key + "_"
 281             key_gra = key + "gra_"
 282             csar_file = self.vcpecommon.find_file(key, 'csar', 'csar')
 283             template_file = self.vcpecommon.find_file(key_vnf, 'json', 'preload_templates')
 284             template_file_gra = self.vcpecommon.find_file(key_gra, 'json', 'preload_templates')
 285             if csar_file and template_file and template_file_gra:
 286                 parser = csar_parser.CsarParser()
 287                 parser.parse_csar(csar_file)
 288                 service_instance_id = 'test112233'
 289                 # preload both VNF-API and GRA-API
 290                 preloader.preload_vfmodule(template_file, service_instance_id, parser.vnf_models[0],
 291                                            parser.vfmodule_models[0], network_dict, name_suffix, False)
 292                 preloader.preload_vfmodule(template_file_gra, service_instance_id, parser.vnf_models[0],
 293                                            parser.vfmodule_models[0], network_dict, name_suffix, True)
 294
 295
 296     def test_sniro(self):
 297         template_sniro_data = self.vcpecommon.find_file('sniro_data', 'json', 'preload_templates')
 298         template_sniro_request = self.vcpecommon.find_file('sniro_request', 'json', 'preload_templates')
 299
 300         vcperescust_csar = self.vcpecommon.find_file('rescust', 'csar', 'csar')
 301         parser = csar_parser.CsarParser()
 302         parser.parse_csar(vcperescust_csar)
 303         tunnelxconn_ar_name = None
 304         brg_ar_name = None
 305         vgw_name = None
 306         for model in parser.vnf_models:
 307             if 'tunnel' in model['modelCustomizationName']:
 308                 tunnelxconn_ar_name = model['modelCustomizationName']
 309             elif 'brg' in model['modelCustomizationName']:
 310                 brg_ar_name = model['modelCustomizationName']
 311             elif 'vgw' in model['modelCustomizationName']:
 312                 vgw_name = model['modelCustomizationName']
 313
 314         if not (tunnelxconn_ar_name and brg_ar_name and vgw_name):
 315             self.logger.error('Cannot find all names from %s.', vcperescust_csar)
 316             sys.exit(1)
 317
 318         vgmux_svc_instance_uuid = '88888888888888'
 319         vbrg_svc_instance_uuid = '999999999999999'
 320
 321         self.preload_sniro(template_sniro_data, template_sniro_request, tunnelxconn_ar_name, vgw_name, brg_ar_name,
 322                            vgmux_svc_instance_uuid, vbrg_svc_instance_uuid)