99 lines
3.2 KiB
Python
99 lines
3.2 KiB
Python
# Copyright (c) 2014 VMware, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Server group interface.
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"""
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from six.moves.urllib import parse
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from novaclient import base
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class ServerGroup(base.Resource):
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"""
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A server group.
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"""
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def __repr__(self):
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return '<ServerGroup: %s>' % self.id
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def delete(self):
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"""
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Delete this server group.
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:returns: An instance of novaclient.base.TupleWithMeta
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"""
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return self.manager.delete(self.id)
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class ServerGroupsManager(base.ManagerWithFind):
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"""
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Manage :class:`ServerGroup` resources.
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"""
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resource_class = ServerGroup
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def list(self, all_projects=False, limit=None, offset=None):
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"""Get a list of all server groups.
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:param all_projects: Lists server groups for all projects. (optional)
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:param limit: Maximum number of server groups to return. (optional)
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:param offset: Use with `limit` to return a slice of server
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groups. `offset` is where to start in the groups
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list. (optional)
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:returns: list of :class:`ServerGroup`.
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"""
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qparams = {}
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if all_projects:
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qparams['all_projects'] = bool(all_projects)
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if limit:
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qparams['limit'] = int(limit)
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if offset:
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qparams['offset'] = int(offset)
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qparams = sorted(qparams.items(), key=lambda x: x[0])
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query_string = "?%s" % parse.urlencode(qparams) if qparams else ""
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return self._list('/os-server-groups%s' % query_string,
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'server_groups')
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def get(self, id):
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"""Get a specific server group.
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:param id: The ID of the :class:`ServerGroup` to get.
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:rtype: :class:`ServerGroup`
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"""
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return self._get('/os-server-groups/%s' % id,
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'server_group')
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def delete(self, id):
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"""Delete a specific server group.
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:param id: The ID of the :class:`ServerGroup` to delete.
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:returns: An instance of novaclient.base.TupleWithMeta
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"""
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return self._delete('/os-server-groups/%s' % id)
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def create(self, name, policies):
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"""Create (allocate) a server group.
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:param name: The name of the server group.
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:param policies: Policy name or a list of exactly one policy name to
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associate with the server group.
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:rtype: list of :class:`ServerGroup`
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"""
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policies = policies if isinstance(policies, list) else [policies]
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body = {'server_group': {'name': name,
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'policies': policies}}
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return self._create('/os-server-groups', body, 'server_group')
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