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 yaml.safe_dump(resp2)
  78         if resp:
  79             #store in a file
  80             return resp
  81         raise NotFound("vnfd {} not found".format(name))
  82
  83     def get_descriptor(self, name, filename):
  84         self.get_thing(name, 'vnfd', filename)
  85
  86     def get_package(self, name, filename):
  87         self.get_thing(name, 'package_content', filename)
  88
  89     def get_artifact(self, name, artifact, filename):
  90         self.get_thing(name, 'artifacts/{}'.format(artifact), filename)
  91
  92     def delete(self, name):
  93         vnfd = self.get(name)
  94         http_code, resp = self._http.delete_cmd('{}/{}'.format(self._apiBase,vnfd['_id']))
  95         if resp:
  96             resp = json.loads(resp)
  97         #print 'RESP: {}'.format(resp)
  98         if http_code == 202:
  99             print 'Deletion in progress'
 100         elif http_code == 204:
 101             print 'Deleted'
 102         else:
 103             raise ClientException("failed to delete vnfd {}: {}".format(name, resp))
 104
 105     def create(self, filename, overwrite=None, update_endpoint=None):
 106         mime_type = magic.from_file(filename, mime=True)
 107         if mime_type is None:
 108             raise ClientException(
 109                      "failed to guess MIME type for file '{}'".format(filename))
 110         headers= self._client._headers
 111         if mime_type in ['application/yaml', 'text/plain']:
 112             headers['Content-Type'] = 'application/yaml'
 113         elif mime_type == 'application/gzip':
 114             headers['Content-Type'] = 'application/gzip'
 115             #headers['Content-Type'] = 'application/binary'
 116             # Next three lines are to be removed in next version
 117             #headers['Content-Filename'] = basename(filename)
 118             #file_size = stat(filename).st_size
 119             #headers['Content-Range'] = 'bytes 0-{}/{}'.format(file_size - 1, file_size)
 120         else:
 121             raise ClientException(
 122                      "Unexpected MIME type for file {}: MIME type {}".format(
 123                          filename, mime_type)
 124                   )
 125         headers["Content-File-MD5"] = utils.md5(filename)
 126         http_header = ['{}: {}'.format(key,val)
 127                       for (key,val) in headers.items()]
 128         self._http.set_http_header(http_header)
 129         if update_endpoint:
 130             http_code, resp = self._http.put_cmd(endpoint=update_endpoint, filename=filename)
 131         else:
 132             ow_string = ''
 133             if overwrite:
 134                 ow_string = '?{}'.format(overwrite)
 135             self._apiResource = '/vnf_packages_content'
 136             self._apiBase = '{}{}{}'.format(self._apiName,
 137                                             self._apiVersion, self._apiResource)
 138             endpoint = '{}{}'.format(self._apiBase,ow_string)
 139             http_code, resp = self._http.post_cmd(endpoint=endpoint, filename=filename)
 140         if resp:
 141             resp = json.loads(resp)
 142         #print resp
 143         if not resp or 'id' not in resp:
 144             raise ClientException("failed to upload package")
 145         else:
 146             print resp['id']
 147
 148     def update(self, name, filename):
 149         vnfd = self.get(name)
 150         endpoint = '{}/{}/vnfd_content'.format(self._apiBase, vnfd['_id'])
 151         self.create(filename=filename, update_endpoint=endpoint)
 152