summaryrefslogtreecommitdiffstats
path: root/vcpe_beijing/vcpe/preload.py
diff options
context:
space:
mode:
Diffstat (limited to 'vcpe_beijing/vcpe/preload.py')
-rw-r--r--vcpe_beijing/vcpe/preload.py220
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)