examples/ping_pong_ns/rift/mano/examples/pong_start_stop.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 pong_start_stop(yaml_cfg, logger):
  31     '''Use curl to configure ping and set the ping rate'''
  32
  33     # Get the required and optional parameters
  34     params = yaml_cfg['parameters']
  35     mgmt_ip = params['mgmt_ip']
  36     mgmt_port = 18889
  37     if 'mgmt_port' in params:
  38         mgmt_port = params['mgmt_port']
  39     start = 'true'
  40     if 'start' in params:
  41         if not params['start']:
  42             start = 'false'
  43
  44     cmd = 'curl -D /dev/stdout -H "Accept: application/json" ' \
  45           '-H "Content-Type: application/json" ' \
  46           '-X POST -d "{{\\"enable\\":{start}}}" ' \
  47           'http://{mgmt_ip}:{mgmt_port}/api/v1/pong/adminstatus/state'. \
  48           format(
  49               mgmt_ip=mgmt_ip,
  50               mgmt_port=mgmt_port,
  51               start=start)
  52
  53     logger.debug("Executing cmd: %s", cmd)
  54     proc = subprocess.Popen(cmd, shell=True,
  55                             stdout=subprocess.PIPE,
  56                             stderr=subprocess.PIPE)
  57
  58     proc.wait()
  59     logger.debug("Process: {}".format(proc))
  60
  61     rc = proc.returncode
  62
  63     if rc == 0:
  64         # Check if we got 200 OK
  65         resp = proc.stdout.read().decode()
  66         if 'HTTP/1.1 200 OK' not in resp:
  67             logger._log.error("Got error response: {}".format(resp))
  68             rc = 1
  69
  70     return rc
  71
  72
  73 def main(argv=sys.argv[1:]):
  74     try:
  75         parser = argparse.ArgumentParser()
  76         parser.add_argument("yaml_cfg_file", type=argparse.FileType('r'))
  77         parser.add_argument("-q", "--quiet", dest="verbose", action="store_false")
  78         args = parser.parse_args()
  79
  80         run_dir = os.path.join(os.environ['RIFT_INSTALL'], "var/run/rift")
  81         if not os.path.exists(run_dir):
  82             os.makedirs(run_dir)
  83         log_file = "{}/pong_start_stop-{}.log".format(run_dir, time.strftime("%Y%m%d%H%M%S"))
  84
  85         # logging.basicConfig(filename=log_file, level=logging.DEBUG)
  86         logger = logging.getLogger('pong-start-stop')
  87         logger.setLevel(logging.DEBUG)
  88
  89         fh = logging.FileHandler(log_file)
  90         fh.setLevel(logging.DEBUG)
  91
  92         ch = logging.StreamHandler()
  93         if args.verbose:
  94             ch.setLevel(logging.DEBUG)
  95         else:
  96             ch.setLevel(logging.INFO)
  97
  98         # create formatter and add it to the handlers
  99         formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
 100         fh.setFormatter(formatter)
 101         ch.setFormatter(formatter)
 102         logger.addHandler(fh)
 103         logger.addHandler(ch)
 104
 105     except Exception as e:
 106         logger.exception("Exception in {}: {}".format(__file__, e))
 107         sys.exit(1)
 108
 109     try:
 110         logger.debug("Input file: {}".format(args.yaml_cfg_file.name))
 111         yaml_str = args.yaml_cfg_file.read()
 112         yaml_cfg = yaml.load(yaml_str)
 113         logger.debug("Input YAML: {}".format(yaml_cfg))
 114
 115         rc = pong_start_stop(yaml_cfg, logger)
 116         logger.info("Return code: {}".format(rc))
 117         sys.exit(rc)
 118
 119     except Exception as e:
 120         logger.exception("Exception in {}: {}".format(__file__, e))
 121         sys.exit(1)
 122
 123 if __name__ == "__main__":
 124     main()