89 lines
2.7 KiB
Python
89 lines
2.7 KiB
Python
# 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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Volume interface.
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"""
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import binascii
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import os
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from seamicroclient import base
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class Volume(base.Resource):
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HUMAN_ID = True
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def delete(self):
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self.manager.delete(self)
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class VolumeManager(base.ManagerWithFind):
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resource_class = Volume
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def get(self, volume):
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"""
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Get a volume.
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:param volume: ID of the :class:`Volume` to get.
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:rtype: :class:`Volume`
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"""
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return self._get(base.getid(volume),
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"/storage/volumes/%s" % base.getid(volume))
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def list(self):
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"""
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Get a list of volumes.
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:rtype: list of :class:`Volume`
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"""
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return self._list("/storage/volumes")
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def create(self, size, pool, volume_id=None, **kwargs):
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"""
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Create a volume of the given size in the given pool.
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:param volume_id: ID of the :class: `Volume` to create
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:param pool: Object of the :class: `Pool` in which the volume will be
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created.
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:param size: Size of the new volume in GB.
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"""
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create_params = {}
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if volume_id is None:
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volume_id = str(binascii.b2a_hex(os.urandom(6)))
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if pool and volume_id and size:
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create_params = {'volume-size': str(size)}
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resource_url = "%s/%s" % (base.getid(pool), volume_id)
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return self._create(resource_url, create_params)
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def delete(self, volume):
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self._delete("/storage/volume/%s" % base.getid(volume))
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def _create(self, resource_url, body, **kwargs):
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"""
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Create a volume
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"""
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body.update({"action": "create"})
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self.run_hooks('modify_body_for_action', body, **kwargs)
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url = '/storage/volumes/%s' % resource_url
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return self._update(url, body=body)
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def _action(self, action, volume, info=None, **kwargs):
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"""
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Perform a volume "action" -- .
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"""
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body = {"action": action}
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body.update(info)
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self.run_hooks('modify_body_for_action', body, **kwargs)
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url = '/storage/volumes/%s' % base.getid(volume)
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return self.api.client.put(url, body=body)
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