src/emuvim/cli/rest/monitor.py

   1 """
   2 Copyright (c) 2015 SONATA-NFV
   3 ALL RIGHTS RESERVED.
   4
   5 Licensed under the Apache License, Version 2.0 (the "License");
   6 you may not use this file except in compliance with the License.
   7 You may obtain a copy of the License at
   8
   9     http://www.apache.org/licenses/LICENSE-2.0
  10
  11 Unless required by applicable law or agreed to in writing, software
  12 distributed under the License is distributed on an "AS IS" BASIS,
  13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 See the License for the specific language governing permissions and
  15 limitations under the License.
  16
  17 Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION]
  18 nor the names of its contributors may be used to endorse or promote
  19 products derived from this software without specific prior written
  20 permission.
  21
  22 This work has been performed in the framework of the SONATA project,
  23 funded by the European Commission under Grant number 671517 through
  24 the Horizon 2020 and 5G-PPP programmes. The authors would like to
  25 acknowledge the contributions of their colleagues of the SONATA
  26 partner consortium (www.sonata-nfv.eu).
  27 """
  28 from requests import get, put, delete
  29 from tabulate import tabulate
  30 import pprint
  31 import argparse
  32 import json
  33 from emuvim.cli import prometheus
  34
  35 pp = pprint.PrettyPrinter(indent=4)
  36
  37 class RestApiClient():
  38
  39     def __init__(self):
  40         self.cmds = {}
  41
  42     def execute_command(self, args):
  43         if getattr(self, args["command"]) is not None:
  44             # call the local method with the same name as the command arg
  45             getattr(self, args["command"])(args)
  46         else:
  47             print("Command not implemented.")
  48
  49     def setup_metric(self, args):
  50         vnf_name = self._parse_vnf_name(args.get("vnf_name"))
  51         vnf_interface = self._parse_vnf_interface(args.get("vnf_name"))
  52
  53         response = put("%s/restapi/monitor/%s/%s/%s" %
  54                        (args.get("endpoint"),
  55                         vnf_name,
  56                         vnf_interface,
  57                         args.get("metric")))
  58         pp.pprint(response.json())
  59
  60     def stop_metric(self, args):
  61         vnf_name = self._parse_vnf_name(args.get("vnf_name"))
  62         vnf_interface = self._parse_vnf_interface(args.get("vnf_name"))
  63
  64         response = delete("%s/restapi/monitor/%s/%s/%s" %
  65                        (args.get("endpoint"),
  66                         vnf_name,
  67                         vnf_interface,
  68                         args.get("metric")))
  69         pp.pprint(response.json())
  70
  71     def setup_flow(self, args):
  72         vnf_name = self._parse_vnf_name(args.get("vnf_name"))
  73         vnf_interface = self._parse_vnf_interface(args.get("vnf_name"))
  74
  75         response = put("%s/restapi/monitor/%s/%s/%s/%s" %
  76                        (args.get("endpoint"),
  77                         vnf_name,
  78                         vnf_interface,
  79                         args.get("metric"),
  80                         args.get("cookie")))
  81
  82         pp.pprint(response.json())
  83
  84     def stop_flow(self, args):
  85         vnf_name = self._parse_vnf_name(args.get("vnf_name"))
  86         vnf_interface = self._parse_vnf_interface(args.get("vnf_name"))
  87
  88         response = delete("%s/restapi/monitor/%s/%s/%s/%s" %
  89                        (args.get("endpoint"),
  90                         vnf_name,
  91                         vnf_interface,
  92                         args.get("metric"),
  93                         args.get("cookie")))
  94
  95         pp.pprint(response.json())
  96
  97     def _parse_vnf_name(self, vnf_name_str):
  98         vnf_name = vnf_name_str.split(':')[0]
  99         return vnf_name
 100
 101     def _parse_vnf_interface(self, vnf_name_str):
 102         try:
 103             vnf_interface = vnf_name_str.split(':')[1]
 104         except:
 105             vnf_interface = None
 106
 107         return vnf_interface
 108
 109 parser = argparse.ArgumentParser(description='son-emu monitor')
 110 parser.add_argument(
 111     "command",
 112     choices=['setup_metric', 'stop_metric', 'setup_flow', 'stop_flow','prometheus'],
 113     help="setup/stop a metric/flow to be monitored or query Prometheus")
 114 parser.add_argument(
 115     "--vnf_name", "-vnf", dest="vnf_name",
 116     help="vnf name:interface to be monitored")
 117 parser.add_argument(
 118     "--metric", "-m", dest="metric",
 119     help="tx_bytes, rx_bytes, tx_packets, rx_packets")
 120 parser.add_argument(
 121     "--cookie", "-c", dest="cookie",
 122     help="flow cookie to monitor")
 123 parser.add_argument(
 124     "--query", "-q", dest="query",
 125     help="prometheus query")
 126 parser.add_argument(
 127     "--datacenter", "-d", dest="datacenter",
 128     help="Data center where the vnf is deployed")
 129 parser.add_argument(
 130     "--endpoint", "-e", dest="endpoint",
 131     default="http://127.0.0.1:5001",
 132     help="UUID of the plugin to be manipulated.")
 133
 134 def main(argv):
 135     args = vars(parser.parse_args(argv))
 136     c = RestApiClient()
 137     c.execute_command(args)