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

   1
   2 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   3 # not use this file except in compliance with the License. You may obtain
   4 # a copy of the License at
   5 #
   6 # http://www.apache.org/licenses/LICENSE-2.0
   7 #
   8 # Unless required by applicable law or agreed to in writing, software
   9 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  10 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  11 # License for the specific language governing permissions and limitations
  12 # under the License.
  13
  14 import logging
  15
  16 try:
  17     import glanceclient.client
  18     client_available = True
  19 except ImportError:
  20     client_available = False
  21     pass
  22
  23 log = logging.getLogger('heat-translator')
  24
  25
  26 PREDEF_IMAGES = {
  27     'ubuntu-software-config-os-init': {'architecture': 'x86_64',
  28                                        'os_type': 'linux',
  29                                        'os_distro': 'ubuntu',
  30                                        'os_version': '14.04'
  31                                        },
  32
  33     'ubuntu-12.04-software-config-os-init': {'architecture': 'x86_64',
  34                                              'os_type': 'linux',
  35                                              'os_distro': 'ubuntu',
  36                                              'os_version': '12.04'
  37                                              },
  38     'fedora-amd64-heat-config': {'architecture': 'x86_64',
  39                                  'os_type': 'linux',
  40                                  'os_distro': 'fedora',
  41                                  'os_version': '18.0'
  42                                  },
  43     'F18-x86_64-cfntools': {'architecture': 'x86_64',
  44                             'os_type': 'linux',
  45                             'os_distro': 'fedora',
  46                             'os_version': '19'
  47                             },
  48     'Fedora-x86_64-20-20131211.1-sda': {'architecture': 'x86_64',
  49                                         'os_type': 'linux',
  50                                         'os_distro': 'fedora',
  51                                         'os_version': '20'
  52                                         },
  53     'cirros-0.3.1-x86_64-uec': {'architecture': 'x86_64',
  54                                 'os_type': 'linux',
  55                                 'os_distro': 'cirros',
  56                                 'os_version': '0.3.1'
  57                                 },
  58     'cirros-0.3.2-x86_64-uec': {'architecture': 'x86_64',
  59                                 'os_type': 'linux',
  60                                 'os_distro': 'cirros',
  61                                 'os_version': '0.3.2'
  62                                 },
  63     'rhel-6.5-test-image': {'architecture': 'x86_64',
  64                             'os_type': 'linux',
  65                             'os_distro': 'rhel',
  66                             'os_version': '6.5'
  67                             }
  68 }
  69
  70 SESSION = None
  71
  72 IMAGES = {}
  73
  74
  75 def get_images():
  76     global IMAGES
  77
  78     if IMAGES:
  79         return IMAGES
  80
  81     if SESSION is not None and client_available:
  82         try:
  83             client = glanceclient.client.Client("2", session=SESSION)
  84         except Exception as e:
  85             # Handles any exception coming from openstack
  86             log.warn(_('Choosing predefined images since received '
  87                        'Openstack Exception: %s') % str(e))
  88         else:
  89             for image in client.images.list():
  90                 image_name = image.name.encode('ascii', 'ignore')
  91                 metadata = ["architecture", "type", "distribution", "version",
  92                             "os_distro", "os_type", "os_version"]
  93                 if any(key in image.keys() for key in metadata):
  94                     IMAGES[image_name] = {}
  95                     for key in metadata:
  96                         if key in image.keys():
  97                             IMAGES[image_name][key] = image[key]
  98
  99     if not IMAGES:
 100         IMAGES = PREDEF_IMAGES
 101
 102     return IMAGES