tosca2heat/heat-translator/translator/common/images.py

   1 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   2 # not use this file except in compliance with the License. You may obtain
   3 # a copy of the License at
   4 #
   5 # http://www.apache.org/licenses/LICENSE-2.0
   6 #
   7 # Unless required by applicable law or agreed to in writing, software
   8 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   9 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  10 # License for the specific language governing permissions and limitations
  11 # under the License.
  12
  13 import logging
  14
  15 try:
  16     import glanceclient.client
  17     client_available = True
  18 except ImportError:
  19     client_available = False
  20     pass
  21
  22 log = logging.getLogger('heat-translator')
  23
  24
  25 PREDEF_IMAGES = {
  26     'ubuntu-software-config-os-init': {'architecture': 'x86_64',
  27                                        'type': 'Linux',
  28                                        'distribution': 'Ubuntu',
  29                                        'version': '14.04'},
  30     'ubuntu-12.04-software-config-os-init': {'architecture': 'x86_64',
  31                                              'type': 'Linux',
  32                                              'distribution': 'Ubuntu',
  33                                              'version': '12.04'},
  34     'fedora-amd64-heat-config': {'architecture': 'x86_64',
  35                                  'type': 'Linux',
  36                                  'distribution': 'Fedora',
  37                                  'version': '18.0'},
  38     'F18-x86_64-cfntools': {'architecture': 'x86_64',
  39                             'type': 'Linux',
  40                             'distribution': 'Fedora',
  41                             'version': '19'},
  42     'Fedora-x86_64-20-20131211.1-sda': {'architecture': 'x86_64',
  43                                         'type': 'Linux',
  44                                         'distribution': 'Fedora',
  45                                         'version': '20'},
  46     'cirros-0.3.1-x86_64-uec': {'architecture': 'x86_64',
  47                                 'type': 'Linux',
  48                                 'distribution': 'CirrOS',
  49                                 'version': '0.3.1'},
  50     'cirros-0.3.2-x86_64-uec': {'architecture': 'x86_64',
  51                                 'type': 'Linux',
  52                                 'distribution': 'CirrOS',
  53                                 'version': '0.3.2'},
  54     'rhel-6.5-test-image': {'architecture': 'x86_64',
  55                             'type': 'Linux',
  56                             'distribution': 'RHEL',
  57                             'version': '6.5'}
  58 }
  59
  60 SESSION = None
  61
  62 IMAGES = {}
  63
  64
  65 def get_images():
  66     global IMAGES
  67
  68     if IMAGES:
  69         return IMAGES
  70
  71     if SESSION is not None and client_available:
  72         try:
  73             client = glanceclient.client.Client("2", session=SESSION)
  74         except Exception as e:
  75             # Handles any exception coming from openstack
  76             log.warn(_('Choosing predefined images since received '
  77                        'Openstack Exception: %s') % str(e))
  78         else:
  79             for image in client.images.list():
  80                 image_name = image.name.encode('ascii', 'ignore')
  81                 metadata = ["architecture", "type", "distribution", "version"]
  82                 if any(key in image.keys() for key in metadata):
  83                     IMAGES[image_name] = {}
  84                     for key in metadata:
  85                         if key in image.keys():
  86                             IMAGES[image_name][key] = image[key]
  87
  88     if not IMAGES:
  89         IMAGES = PREDEF_IMAGES
  90
  91     return IMAGES