osmclient/sol005/pdud.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 pdud API handling
  19 """
  20
  21 from osmclient.common.exceptions import NotFound
  22 from osmclient.common.exceptions import ClientException
  23 from osmclient.common import utils
  24 import json
  25
  26
  27 class Pdu(object):
  28
  29     def __init__(self, http=None, client=None):
  30         self._http = http
  31         self._client = client
  32         self._apiName = '/pdu'
  33         self._apiVersion = '/v1'
  34         self._apiResource = '/pdu_descriptors'
  35         self._apiBase = '{}{}{}'.format(self._apiName,
  36                                         self._apiVersion, self._apiResource)
  37
  38     def list(self, filter=None):
  39         filter_string = ''
  40         if filter:
  41             filter_string = '?{}'.format(filter)
  42         resp = self._http.get_cmd('{}{}'.format(self._apiBase,filter_string))
  43         if resp:
  44             return resp
  45         return list()
  46
  47     def get(self, name):
  48         if utils.validate_uuid4(name):
  49             for pdud in self.list():
  50                 if name == pdud['_id']:
  51                     return pdud
  52         else:
  53             for pdud in self.list():
  54                 if 'name' in pdud and name == pdud['name']:
  55                     return pdud
  56         raise NotFound("pdud {} not found".format(name))
  57
  58     def get_individual(self, name):
  59         pdud = self.get(name)
  60         # It is redundant, since the previous one already gets the whole pdudInfo
  61         # The only difference is that a different primitive is exercised
  62         resp = self._http.get_cmd('{}/{}'.format(self._apiBase, pdud['_id']))
  63         #print(yaml.safe_dump(resp))
  64         if resp:
  65             return resp
  66         raise NotFound("pdu {} not found".format(name))
  67
  68     def delete(self, name, force=False):
  69         pdud = self.get(name)
  70         querystring = ''
  71         if force:
  72             querystring = '?FORCE=True'
  73         http_code, resp = self._http.delete_cmd('{}/{}{}'.format(self._apiBase,
  74                                          pdud['_id'], querystring))
  75         #print('HTTP CODE: {}'.format(http_code))
  76         #print('RESP: {}'.format(resp))
  77         if http_code == 202:
  78             print('Deletion in progress')
  79         elif http_code == 204:
  80             print('Deleted')
  81         else:
  82             msg = ""
  83             if resp:
  84                 try:
  85                     msg = json.loads(resp)
  86                 except ValueError:
  87                     msg = resp
  88             raise ClientException("failed to delete pdu {} - {}".format(name, msg))
  89
  90     def create(self, pdu, update_endpoint=None):
  91         headers= self._client._headers
  92         headers['Content-Type'] = 'application/yaml'
  93         http_header = ['{}: {}'.format(key,val)
  94                       for (key,val) in list(headers.items())]
  95         self._http.set_http_header(http_header)
  96         if update_endpoint:
  97             http_code, resp = self._http.put_cmd(endpoint=update_endpoint, postfields_dict=pdu)
  98         else:
  99             endpoint = self._apiBase
 100             #endpoint = '{}{}'.format(self._apiBase,ow_string)
 101             http_code, resp = self._http.post_cmd(endpoint=endpoint, postfields_dict=pdu)
 102         #print('HTTP CODE: {}'.format(http_code))
 103         #print('RESP: {}'.format(resp))
 104         if http_code in (200, 201, 202, 204):
 105             if resp:
 106                 resp = json.loads(resp)
 107             if not resp or 'id' not in resp:
 108                 raise ClientException('unexpected response from server: '.format(
 109                                       resp))
 110             print(resp['id'])
 111         else:
 112             msg = "Error {}".format(http_code)
 113             if resp:
 114                 try:
 115                     msg = "{} - {}".format(msg, json.loads(resp))
 116                 except ValueError:
 117                     msg = "{} - {}".format(msg, resp)
 118             raise ClientException("failed to create/update pdu - {}".format(msg))
 119
 120     def update(self, name, filename):
 121         pdud = self.get(name)
 122         endpoint = '{}/{}'.format(self._apiBase, pdud['_id'])
 123         self.create(filename=filename, update_endpoint=endpoint)
 124