osmclient/sol005/vnfd.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 vnfd 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 yaml
  25 import json
  26 import magic
  27 #from os import stat
  28 #from os.path import basename
  29
  30 class Vnfd(object):
  31
  32     def __init__(self, http=None, client=None):
  33         self._http = http
  34         self._client = client
  35         self._apiName = '/vnfpkgm'
  36         self._apiVersion = '/v1'
  37         self._apiResource = '/vnf_packages'
  38         self._apiBase = '{}{}{}'.format(self._apiName,
  39                                         self._apiVersion, self._apiResource)
  40         #self._apiBase='/vnfds'
  41
  42     def list(self, filter=None):
  43         filter_string = ''
  44         if filter:
  45             filter_string = '?{}'.format(filter)
  46         resp = self._http.get_cmd('{}{}'.format(self._apiBase,filter_string))
  47         if resp:
  48             return resp
  49         return list()
  50
  51     def get(self, name):
  52         if utils.validate_uuid4(name):
  53             for vnfd in self.list():
  54                 if name == vnfd['_id']:
  55                     return vnfd
  56         else:
  57             for vnfd in self.list():
  58                 if 'name' in vnfd and name == vnfd['name']:
  59                     return vnfd
  60         raise NotFound("vnfd {} not found".format(name))
  61
  62     def get_individual(self, name):
  63         vnfd = self.get(name)
  64         # It is redundant, since the previous one already gets the whole vnfpkginfo
  65         # The only difference is that a different primitive is exercised
  66         resp = self._http.get_cmd('{}/{}'.format(self._apiBase, vnfd['_id']))
  67         #print yaml.safe_dump(resp)
  68         if resp:
  69             return resp
  70         raise NotFound("vnfd {} not found".format(name))
  71
  72     def get_thing(self, name, thing, filename):
  73         vnfd = self.get(name)
  74         headers = self._client._headers
  75         headers['Accept'] = 'application/binary'
  76         http_code, resp = self._http.get2_cmd('{}/{}/{}'.format(self._apiBase, vnfd['_id'], thing))
  77         #print 'HTTP CODE: {}'.format(http_code)
  78         #print 'RESP: {}'.format(resp)
  79         if http_code in (200, 201, 202, 204):
  80             if resp:
  81                 #store in a file
  82                 return resp
  83         else:
  84             msg = ""
  85             if resp:
  86                 try:
  87                     msg = json.loads(resp)
  88                 except ValueError:
  89                     msg = resp
  90             raise ClientException("failed to get {} from {} - {}".format(thing, name, msg))
  91
  92     def get_descriptor(self, name, filename):
  93         self.get_thing(name, 'vnfd', filename)
  94
  95     def get_package(self, name, filename):
  96         self.get_thing(name, 'package_content', filename)
  97
  98     def get_artifact(self, name, artifact, filename):
  99         self.get_thing(name, 'artifacts/{}'.format(artifact), filename)
 100
 101     def delete(self, name, force=False):
 102         vnfd = self.get(name)
 103         querystring = ''
 104         if force:
 105             querystring = '?FORCE=True'
 106         http_code, resp = self._http.delete_cmd('{}/{}{}'.format(self._apiBase,
 107                                          vnfd['_id'], querystring))
 108         #print 'HTTP CODE: {}'.format(http_code)
 109         #print 'RESP: {}'.format(resp)
 110         if http_code == 202:
 111             print 'Deletion in progress'
 112         elif http_code == 204:
 113             print 'Deleted'
 114         else:
 115             msg = ""
 116             if resp:
 117                 try:
 118                     msg = json.loads(resp)
 119                 except ValueError:
 120                     msg = resp
 121             raise ClientException("failed to delete vnfd {} - {}".format(name, msg))
 122
 123     def create(self, filename, overwrite=None, update_endpoint=None):
 124         mime_type = magic.from_file(filename, mime=True)
 125         if mime_type is None:
 126             raise ClientException(
 127                      "failed to guess MIME type for file '{}'".format(filename))
 128         headers= self._client._headers
 129         if mime_type in ['application/yaml', 'text/plain']:
 130             headers['Content-Type'] = 'application/yaml'
 131         elif mime_type == 'application/gzip':
 132             headers['Content-Type'] = 'application/gzip'
 133             #headers['Content-Type'] = 'application/binary'
 134             # Next three lines are to be removed in next version
 135             #headers['Content-Filename'] = basename(filename)
 136             #file_size = stat(filename).st_size
 137             #headers['Content-Range'] = 'bytes 0-{}/{}'.format(file_size - 1, file_size)
 138         else:
 139             raise ClientException(
 140                      "Unexpected MIME type for file {}: MIME type {}".format(
 141                          filename, mime_type)
 142                   )
 143         headers["Content-File-MD5"] = utils.md5(filename)
 144         http_header = ['{}: {}'.format(key,val)
 145                       for (key,val) in headers.items()]
 146         self._http.set_http_header(http_header)
 147         if update_endpoint:
 148             http_code, resp = self._http.put_cmd(endpoint=update_endpoint, filename=filename)
 149         else:
 150             ow_string = ''
 151             if overwrite:
 152                 ow_string = '?{}'.format(overwrite)
 153             self._apiResource = '/vnf_packages_content'
 154             self._apiBase = '{}{}{}'.format(self._apiName,
 155                                             self._apiVersion, self._apiResource)
 156             endpoint = '{}{}'.format(self._apiBase,ow_string)
 157             http_code, resp = self._http.post_cmd(endpoint=endpoint, filename=filename)
 158         #print 'HTTP CODE: {}'.format(http_code)
 159         #print 'RESP: {}'.format(resp)
 160         if http_code in (200, 201, 202, 204):
 161             if resp:
 162                 resp = json.loads(resp)
 163             if not resp or 'id' not in resp:
 164                 raise ClientException('unexpected response from server: '.format(
 165                                       resp))
 166             print resp['id']
 167         else:
 168             msg = ""
 169             if resp:
 170                 try:
 171                     msg = json.loads(resp)
 172                 except ValueError:
 173                     msg = resp
 174             raise ClientException("failed to create/update vnfd - {}".format(name, msg))
 175
 176     def update(self, name, filename):
 177         vnfd = self.get(name)
 178         endpoint = '{}/{}/vnfd_content'.format(self._apiBase, vnfd['_id'])
 179         self.create(filename=filename, update_endpoint=endpoint)
 180