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.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 len(stk) > 0:
  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:
  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()
  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, '${sniro_ip}': self.vcpecommon.hosts['robot']}
  69         sniro_request = self.generate_json(template_sniro_request, replace_dict)
  70         self.logger.debug('SNIRO request:')
  71         self.logger.debug(json.dumps(sniro_request, indent=4, sort_keys=True))
  72
  73         r = requests.post(self.vcpecommon.sniro_url, headers=self.vcpecommon.sniro_headers, json=sniro_request)
  74         if 2 != r.status_code / 100:
  75             response = r.json()
  76             self.logger.debug(json.dumps(response, indent=4, sort_keys=True))
  77             self.logger.error('SNIRO preloading failed.')
  78             sys.exit()
  79
  80         return True
  81
  82     def preload_network(self, template_file, network_role, subnet_start_ip, subnet_gateway, common_dict, name_suffix):
  83         """
  84         :param template_file:
  85         :param network_role: cpe_signal, cpe_public, brg_bng, bng_mux, mux_gw
  86         :param subnet_start_ip:
  87         :param subnet_gateway:
  88         :param name_suffix: e.g. '201711201311'
  89         :return:
  90         """
  91         network_name = '_'.join([self.vcpecommon.instance_name_prefix['network'], network_role.lower(), name_suffix])
  92         subnet_name = self.vcpecommon.network_name_to_subnet_name(network_name)
  93         common_dict['${' + 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                         '${subnet_gateway}': subnet_gateway
 101                         }
 102         self.logger.info('Preloading network ' + network_role)
 103         return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_network_url)
 104
 105     def preload(self, template_file, replace_dict, url):
 106         json_data = self.generate_json(template_file, replace_dict)
 107         self.logger.debug(json.dumps(json_data, indent=4, sort_keys=True))
 108         r = requests.post(url, headers=self.vcpecommon.sdnc_headers, auth=self.vcpecommon.sdnc_userpass, json=json_data)
 109         response = r.json()
 110         if int(response.get('output', {}).get('response-code', 0)) != 200:
 111             self.logger.debug(json.dumps(response, indent=4, sort_keys=True))
 112             self.logger.error('Preloading failed.')
 113             return False
 114         return True
 115
 116     def preload_vgw(self, template_file, brg_mac, commont_dict, name_suffix):
 117         replace_dict = {'${brg_mac}': brg_mac,
 118                         '${suffix}': name_suffix
 119                         }
 120         replace_dict.update(commont_dict)
 121         self.logger.info('Preloading vGW')
 122         return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_vnf_url)
 123
 124     def preload_vfmodule(self, template_file, service_instance_id, vnf_model, vfmodule_model, common_dict, name_suffix):
 125         """
 126         :param template_file:
 127         :param service_instance_id:
 128         :param vnf_model:  parsing results from csar_parser
 129         :param vfmodule_model:  parsing results from csar_parser
 130         :param common_dict:
 131         :param name_suffix:
 132         :return:
 133         """
 134
 135         # examples:
 136         # vfmodule_model['modelCustomizationName']: "Vspinfra111601..base_vcpe_infra..module-0",
 137         # vnf_model['modelCustomizationName']: "vspinfra111601 0",
 138
 139         vfmodule_name = '_'.join([self.vcpecommon.instance_name_prefix['vfmodule'],
 140                                   vfmodule_model['modelCustomizationName'].split('..')[0].lower(), name_suffix])
 141
 142         # vnf_type and generic_vnf_type are identical
 143         replace_dict = {'${vnf_type}': vfmodule_model['modelCustomizationName'],
 144                         '${generic_vnf_type}': vfmodule_model['modelCustomizationName'],
 145                         '${service_type}': service_instance_id,
 146                         '${generic_vnf_name}': vnf_model['modelCustomizationName'],
 147                         '${vnf_name}': vfmodule_name,
 148                         '${suffix}': name_suffix}
 149         replace_dict.update(common_dict)
 150         self.logger.info('Preloading VF Module ' + vfmodule_name)
 151         return self.preload(template_file, replace_dict, self.vcpecommon.sdnc_preload_vnf_url)
 152
 153     def preload_all_networks(self, template_file, name_suffix):
 154         common_dict = {'${' + k + '}': v for k, v in self.vcpecommon.common_preload_config.items()}
 155         for network, v in self.vcpecommon.preload_network_config.items():
 156             subnet_start_ip, subnet_gateway_ip = v
 157             if not self.preload_network(template_file, network, subnet_start_ip, subnet_gateway_ip,
 158                                         common_dict, name_suffix):
 159                 return None
 160         return common_dict
 161
 162     def test(self):
 163         # this is for testing purpose
 164         name_suffix = datetime.now().strftime('%Y%m%d%H%M')
 165         vcpecommon = VcpeCommon()
 166         preloader = Preload(vcpecommon)
 167
 168         network_dict = {'${' + k + '}': v for k, v in self.vcpecommon.common_preload_config.items()}
 169         template_file = 'preload_templates/template.network.json'
 170         for k, v in self.vcpecommon.preload_network_config.items():
 171             if not preloader.preload_network(template_file, k, v[0], v[1], network_dict, name_suffix):
 172                 break
 173
 174         print('---------------------------------------------------------------')
 175         print('Network related replacement dictionary:')
 176         print(json.dumps(network_dict, indent=4, sort_keys=True))
 177         print('---------------------------------------------------------------')
 178
 179         keys = ['infra', 'bng', 'gmux', 'brg']
 180         for key in keys:
 181             csar_file = self.vcpecommon.find_file(key, 'csar', 'csar')
 182             template_file = self.vcpecommon.find_file(key, 'json', 'preload_templates')
 183             if csar_file and template_file:
 184                 parser = csar_parser.CsarParser()
 185                 parser.parse_csar(csar_file)
 186                 service_instance_id = 'test112233'
 187                 preloader.preload_vfmodule(template_file, service_instance_id, parser.vnf_models[0],
 188                                            parser.vfmodule_models[0], network_dict, name_suffix)
 189
 190     def test_sniro(self):
 191         template_sniro_data = self.vcpecommon.find_file('sniro_data', 'json', 'preload_templates')
 192         template_sniro_request = self.vcpecommon.find_file('sniro_request', 'json', 'preload_templates')
 193
 194         vcperescust_csar = self.vcpecommon.find_file('rescust', 'csar', 'csar')
 195         parser = csar_parser.CsarParser()
 196         parser.parse_csar(vcperescust_csar)
 197         tunnelxconn_ar_name = None
 198         brg_ar_name = None
 199         vgw_name = None
 200         for model in parser.vnf_models:
 201             if 'tunnel' in model['modelCustomizationName']:
 202                 tunnelxconn_ar_name = model['modelCustomizationName']
 203             elif 'brg' in model['modelCustomizationName']:
 204                 brg_ar_name = model['modelCustomizationName']
 205             elif 'vgw' in model['modelCustomizationName']:
 206                 vgw_name = model['modelCustomizationName']
 207
 208         if not (tunnelxconn_ar_name and brg_ar_name and vgw_name):
 209             self.logger.error('Cannot find all names from %s.', vcperescust_csar)
 210             sys.exit()
 211
 212         vgmux_svc_instance_uuid = '88888888888888'
 213         vbrg_svc_instance_uuid = '999999999999999'
 214
 215         self.preload_sniro(template_sniro_data, template_sniro_request, tunnelxconn_ar_name, vgw_name, brg_ar_name,
 216                            vgmux_svc_instance_uuid, vbrg_svc_instance_uuid)