133 lines
4.1 KiB
Python
133 lines
4.1 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import types
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NON_CALLABLES = (basestring, bool, dict, int, list, types.NoneType)
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def find_nova_addresses(addresses, ext_tag, key_name=None):
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ret = []
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for (k, v) in addresses.iteritems():
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if key_name and k == key_name:
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ret.extend([addrs['addr'] for addrs in v])
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else:
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for interface_spec in v:
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if ('OS-EXT-IPS:type' in interface_spec
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and interface_spec['OS-EXT-IPS:type'] == ext_tag):
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ret.append(interface_spec['addr'])
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return ret
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def get_groups_from_server(cloud, server, server_vars):
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groups = []
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region = cloud.region
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cloud_name = cloud.name
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# Create a group for the cloud
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groups.append(cloud_name)
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# Create a group on region
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groups.append(region)
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# And one by cloud_region
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groups.append("%s_%s" % (cloud_name, region))
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# Check if group metadata key in servers' metadata
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group = server.metadata.get('group')
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if group:
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groups.append(group)
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for extra_group in server.metadata.get('groups', '').split(','):
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if extra_group:
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groups.append(extra_group)
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groups.append('instance-%s' % server.id)
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for key in ('flavor', 'image'):
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if 'name' in server_vars[key]:
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groups.append('%s-%s' % (key, server_vars[key]['name']))
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for key, value in server.metadata.iteritems():
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groups.append('meta-%s_%s' % (key, value))
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az = server_vars.get('az', None)
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if az:
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# Make groups for az, region_az and cloud_region_az
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groups.append(az)
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groups.append('%s_%s' % (region, az))
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groups.append('%s_%s_%s' % (cloud.name, region, az))
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return groups
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def get_hostvars_from_server(cloud, server, mounts=None):
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server_vars = dict()
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# Fist, add an IP address
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if (cloud.private):
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interface_ips = find_nova_addresses(
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getattr(server, 'addresses'), 'fixed', 'private')
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else:
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interface_ips = find_nova_addresses(
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getattr(server, 'addresses'), 'floating', 'public')
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if interface_ips:
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# TODO(mordred): I want this to be richer, "first" is not best
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server_vars['interface_ip'] = interface_ips[0]
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server_vars.update(obj_to_dict(server))
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server_vars['region'] = cloud.region
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server_vars['cloud'] = cloud.name
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flavor_id = server.flavor['id']
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flavor_name = cloud.get_flavor_name(flavor_id)
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if flavor_name:
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server_vars['flavor']['name'] = flavor_name
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image_id = server.image['id']
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image_name = cloud.get_image_name(image_id)
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if image_name:
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server_vars['image']['name'] = image_name
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volumes = []
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for vol in cloud.get_volumes(server):
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volume = obj_to_dict(vol)
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# Make things easier to consume elsewhere
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volume['device'] = volume['attachments'][0]['device']
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volumes.append(volume)
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server_vars['volumes'] = volumes
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if mounts:
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for mount in mounts:
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for vol in server_vars['volumes']:
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if vol['display_name'] == mount['display_name']:
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if 'mount' in mount:
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vol['mount'] = mount['mount']
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az = server_vars.get('OS-EXT-AZ:availability_zone', None)
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if az:
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server_vars['az'] = az
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return server_vars
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def obj_to_dict(obj):
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instance = {}
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for key in dir(obj):
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value = getattr(obj, key)
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if (isinstance(value, NON_CALLABLES) and not key.startswith('_')):
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instance[key] = value
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return instance
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