112 lines
4.2 KiB
Python
112 lines
4.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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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import eventlet
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import logging
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import re
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from heat.common import exception
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from heat.engine.resources import Resource
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logger = logging.getLogger('heat.engine.volume')
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class Volume(Resource):
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properties_schema = {'AvailabilityZone': {'Type': 'String',
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'Required': True},
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'Size': {'Type': 'Number'},
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'SnapshotId': {'Type': 'String'},
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'Tags': {'Type': 'List'}}
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def __init__(self, name, json_snippet, stack):
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super(Volume, self).__init__(name, json_snippet, stack)
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def handle_create(self):
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vol = self.nova('volume').volumes.create(self.properties['Size'],
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display_name=self.name,
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display_description=self.name)
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while vol.status == 'creating':
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eventlet.sleep(1)
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vol.get()
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if vol.status == 'available':
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self.instance_id_set(vol.id)
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else:
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raise exception.Error(vol.status)
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def handle_delete(self):
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if self.instance_id is not None:
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vol = self.nova('volume').volumes.get(self.instance_id)
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if vol.status == 'in-use':
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logger.warn('cant delete volume when in-use')
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raise exception.Error("Volume in use")
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self.nova('volume').volumes.delete(self.instance_id)
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class VolumeAttachment(Resource):
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properties_schema = {'InstanceId': {'Type': 'String',
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'Required': True},
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'VolumeId': {'Type': 'String',
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'Required': True},
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'Device': {'Type': "String",
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'Required': True,
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'AllowedPattern': '/dev/vd[b-z]'}}
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def __init__(self, name, json_snippet, stack):
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super(VolumeAttachment, self).__init__(name, json_snippet, stack)
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def handle_create(self):
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server_id = self.properties['InstanceId']
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volume_id = self.properties['VolumeId']
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logger.warn('Attaching InstanceId %s VolumeId %s Device %s' %
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(server_id, volume_id, self.properties['Device']))
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volapi = self.nova().volumes
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va = volapi.create_server_volume(server_id=server_id,
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volume_id=volume_id,
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device=self.properties['Device'])
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vol = self.nova('volume').volumes.get(va.id)
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while vol.status == 'available' or vol.status == 'attaching':
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eventlet.sleep(1)
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vol.get()
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if vol.status == 'in-use':
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self.instance_id_set(va.id)
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else:
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raise exception.Error(vol.status)
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def handle_delete(self):
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server_id = self.properties['InstanceId']
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volume_id = self.properties['VolumeId']
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logger.info('VolumeAttachment un-attaching %s %s' %
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(server_id, volume_id))
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volapi = self.nova().volumes
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volapi.delete_server_volume(server_id,
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volume_id)
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vol = self.nova('volume').volumes.get(volume_id)
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logger.info('un-attaching %s, status %s' % (volume_id, vol.status))
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while vol.status == 'in-use':
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logger.info('trying to un-attach %s, but still %s' %
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(volume_id, vol.status))
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eventlet.sleep(1)
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try:
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volapi.delete_server_volume(server_id,
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volume_id)
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except Exception:
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pass
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vol.get()
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