common/python/rift/mano/tosca_translator/test/data/tosca_ping_pong_epa/scripts/start_traffic.py

   1 #!/usr/bin/env python3
   2
   3 ############################################################################
   4 # Copyright 2016 RIFT.IO Inc                                               #
   5 #                                                                          #
   6 # Licensed under the Apache License, Version 2.0 (the "License");          #
   7 # you may not use this file except in compliance with the License.         #
   8 # You may obtain a copy of the License at                                  #
   9 #                                                                          #
  10 #     http://www.apache.org/licenses/LICENSE-2.0                           #
  11 #                                                                          #
  12 # Unless required by applicable law or agreed to in writing, software      #
  13 # distributed under the License is distributed on an "AS IS" BASIS,        #
  14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
  15 # See the License for the specific language governing permissions and      #
  16 # limitations under the License.                                           #
  17 ############################################################################
  18
  19
  20 import argparse
  21 import logging
  22 import os
  23 import subprocess
  24 import sys
  25 import time
  26
  27 import yaml
  28
  29
  30 def start_traffic(yaml_cfg, logger):
  31     '''Use curl and set admin status to enable on pong and ping vnfs'''
  32
  33     def enable_service(mgmt_ip, port, vnf_type):
  34         curl_cmd = 'curl -D /dev/null -H "Accept: application/vnd.yang.data' \
  35                    '+xml" -H "Content-Type: application/vnd.yang.data+json" ' \
  36                    '-X POST -d "{{\\"enable\\":true}}" http://{mgmt_ip}:' \
  37                    '{mgmt_port}/api/v1/{vnf_type}/adminstatus/state'. \
  38                    format(
  39                        mgmt_ip=mgmt_ip,
  40                        mgmt_port=port,
  41                        vnf_type=vnf_type)
  42
  43         logger.debug("Executing cmd: %s", curl_cmd)
  44         subprocess.check_call(curl_cmd, shell=True)
  45
  46     # Enable pong service first
  47     for index, vnfr in yaml_cfg['vnfr'].items():
  48         logger.debug("VNFR {}: {}".format(index, vnfr))
  49
  50         # Check if it is pong vnf
  51         if 'pong_vnfd' in vnfr['name']:
  52             vnf_type = 'pong'
  53             port = 18889
  54             enable_service(vnfr['mgmt_ip_address'], port, vnf_type)
  55             break
  56
  57     # Add a delay to provide pong port to come up
  58     time.sleep(0.1)
  59
  60     # Enable ping service next
  61     for index, vnfr in yaml_cfg['vnfr'].items():
  62         logger.debug("VNFR {}: {}".format(index, vnfr))
  63
  64         # Check if it is pong vnf
  65         if 'ping_vnfd' in vnfr['name']:
  66             vnf_type = 'ping'
  67             port = 18888
  68             enable_service(vnfr['mgmt_ip_address'], port, vnf_type)
  69             break
  70
  71 def main(argv=sys.argv[1:]):
  72     try:
  73         parser = argparse.ArgumentParser()
  74         parser.add_argument("yaml_cfg_file", type=argparse.FileType('r'))
  75         parser.add_argument("-q", "--quiet", dest="verbose", action="store_false")
  76         args = parser.parse_args()
  77
  78         run_dir = os.path.join(os.environ['RIFT_INSTALL'], "var/run/rift")
  79         if not os.path.exists(run_dir):
  80             os.makedirs(run_dir)
  81         log_file = "{}/ping_pong_start_traffic-{}.log".format(run_dir, time.strftime("%Y%m%d%H%M%S"))
  82         logging.basicConfig(filename=log_file, level=logging.DEBUG)
  83         logger = logging.getLogger()
  84
  85     except Exception as e:
  86         print("Exception in {}: {}".format(__file__, e))
  87         sys.exit(1)
  88
  89     try:
  90         ch = logging.StreamHandler()
  91         if args.verbose:
  92             ch.setLevel(logging.DEBUG)
  93         else:
  94             ch.setLevel(logging.INFO)
  95
  96         # create formatter and add it to the handlers
  97         formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
  98         ch.setFormatter(formatter)
  99         logger.addHandler(ch)
 100
 101     except Exception as e:
 102         logger.exception(e)
 103         raise e
 104
 105     try:
 106         yaml_str = args.yaml_cfg_file.read()
 107         # logger.debug("Input YAML file:\n{}".format(yaml_str))
 108         yaml_cfg = yaml.load(yaml_str)
 109         logger.debug("Input YAML: {}".format(yaml_cfg))
 110
 111         start_traffic(yaml_cfg, logger)
 112
 113     except Exception as e:
 114         logger.exception(e)
 115         raise e
 116
 117 if __name__ == "__main__":
 118     main()