osmclient/sol005/vnf.py

   1 # Copyright 2018 Telefonica
   2 #
   3 # All Rights Reserved.
   4 #
   5 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
   6 #    not use this file except in compliance with the License. You may obtain
   7 #    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, WITHOUT
  13 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  14 #    License for the specific language governing permissions and limitations
  15 #    under the License.
  16
  17 """
  18 OSM vnf API handling
  19 """
  20
  21 from osmclient.common import utils
  22 from osmclient.common.exceptions import NotFound
  23 import logging
  24 import json
  25
  26 class Vnf(object):
  27
  28     def __init__(self, http=None, client=None):
  29         self._http = http
  30         self._client = client
  31         self._logger = logging.getLogger('osmclient')
  32         self._apiName = '/nslcm'
  33         self._apiVersion = '/v1'
  34         self._apiResource = '/vnfrs'
  35         self._apiBase = '{}{}{}'.format(self._apiName,
  36                                         self._apiVersion, self._apiResource)
  37
  38     def list(self, ns=None, filter=None):
  39         """Returns a list of VNF instances
  40         """
  41         self._logger.debug("")
  42         self._client.get_token()
  43         filter_string = ''
  44         if filter:
  45             filter_string = '?{}'.format(filter)
  46         if ns:
  47             ns_instance = self._client.ns.get(ns)
  48             if filter_string:
  49                 filter_string += ',nsr-id-ref={}'.format(ns_instance['_id'])
  50             else:
  51                 filter_string = '?nsr-id-ref={}'.format(ns_instance['_id'])
  52         _, resp = self._http.get2_cmd('{}{}'.format(self._apiBase,filter_string))
  53         #print('RESP: {}'.format(resp))
  54         if resp:
  55             return json.loads(resp)
  56         return list()
  57
  58     def get(self, name):
  59         """Returns a VNF instance based on name or id
  60         """
  61         self._logger.debug("")
  62         self._client.get_token()
  63         if utils.validate_uuid4(name):
  64             for vnf in self.list():
  65                 if name == vnf['_id']:
  66                     return vnf
  67         else:
  68             for vnf in self.list():
  69                 if name == vnf.get('name'):
  70                     return vnf
  71         raise NotFound("vnf {} not found".format(name))
  72
  73     def get_individual(self, name):
  74         self._logger.debug("")
  75         self._client.get_token()
  76         vnf_id = name
  77         if not utils.validate_uuid4(name):
  78             for vnf in self.list():
  79                 if name == vnf['name']:
  80                     vnf_id = vnf['_id']
  81                     break
  82         try:
  83             _, resp = self._http.get2_cmd('{}/{}'.format(self._apiBase, vnf_id))
  84             #print('RESP: {}'.format(resp))
  85             if resp:
  86                 return json.loads(resp)
  87         except NotFound:
  88             raise NotFound("vnf '{}' not found".format(name))
  89         raise NotFound("vnf '{}' not found".format(name))