class EC2VolumeDriver(driver.ISCSIDriver):
ec2 = None
VERSION = "1.0"
def __init__(self, *args, **kwargs):
super(EC2VolumeDriver, self).__init__(*args, **kwargs)
self.ec2 = JavaGateway(GatewayClient(port=25535)).entry_point
def do_setup(self, context):
"""Instantiate common class and log in storage system."""
pass
def check_for_setup_error(self):
"""Check configuration file."""
pass
def create_volume(self, volume):
ec2_volume_id = self.ec2.createVolume(volume['id'],
volume['size'])
LOG.info("create volume: %s; arn: %s " % (volume['id'],
ec2_volume_id))
model_update = {'provider_location': ec2_volume_id}
return model_update
def create_cloned_volume(self, volume, src_vref):
"""Create a clone of the specified volume."""
pass
def extend_volume(self, volume, new_size):
"""Extend a volume."""
pass
def delete_volume(self, volume):
"""Delete a volume."""
if hasattr(volume, 'id') and volume['id']:
ec2_volume_id = self.ec2.getVolumeIdFromName(volume['id'])
if ec2_volume_id != 'None':
self.ec2.deleteVolume(ec2_volume_id)
LOG.info("deleted volume %s" % volume['id'])
def create_snapshot(self, snapshot):
"""Create a snapshot."""
pass
def delete_snapshot(self, snapshot):
"""Delete a snapshot."""
pass
def get_volume_stats(self, refresh=False):
"""Get volume stats."""
data = {'volume_backend_name': "EC2",
'storage_protocol': 'LSI Logic SCSI',
'driver_version': self.VERSION,
'vendor_name': 'Huawei',
'total_capacity_gb': 1000,
'free_capacity_gb': 1000,
'reserved_percentage': 0}
# TODO: get from ec2
return data
def initialize_connection(self, volume, connector):
"""Map a volume to a host."""
LOG.info("attach volume: %s; arn: %s " % (volume['id'],
volume['provider_location']))
properties = {'volume_id': volume['id'],
'remote_id': volume['provider_location']}
LOG.info("initialize_connection success. Return data: %s."
% properties)
return {'driver_volume_type': 'ec2volume', 'data': properties}
def terminate_connection(self, volume, connector, **kwargs):
pass
def create_export(self, context, volume):
"""Export the volume."""
pass
def ensure_export(self, context, volume):
"""Synchronously recreate an export for a volume."""
pass
def remove_export(self, context, volume):
"""Remove an export for a volume."""
pass
def create_volume_from_snapshot(self, volume, snapshot):
"""Create a volume from a snapshot."""
snapshot_id = snapshot.get('id')
volume_id = volume.get('id')
ec2_volume_id = self.ec2.createVolumeFromSnapshot(snapshot_id, volume_id)
model_update = {'provider_location': ec2_volume_id}
return model_update
def validate_connector(self, connector):
"""Fail if connector doesn't contain all the data needed by driver."""
LOG.debug('ec2volume Driver: validate_connector')
pass
class EC2VolumeDriver(driver.ISCSIDriver):
ec2 = None
VERSION = "1.0"
def __init__(self, *args, **kwargs):
super(EC2VolumeDriver, self).__init__(*args, **kwargs)
self.ec2 = JavaGateway(GatewayClient(port=25535)).entry_point
def do_setup(self, context):
"""Instantiate common class and log in storage system."""
pass
def check_for_setup_error(self):
"""Check configuration file."""
pass
def create_volume(self, volume):
ec2_volume_id = self.ec2.createVolume(volume['id'], volume['size'])
LOG.info("create volume: %s; arn: %s " % (volume['id'], ec2_volume_id))
model_update = {'provider_location': ec2_volume_id}
return model_update
def create_cloned_volume(self, volume, src_vref):
"""Create a clone of the specified volume."""
pass
def extend_volume(self, volume, new_size):
"""Extend a volume."""
pass
def delete_volume(self, volume):
"""Delete a volume."""
if hasattr(volume, 'id') and volume['id']:
ec2_volume_id = self.ec2.getVolumeIdFromName(volume['id'])
if ec2_volume_id != 'None':
self.ec2.deleteVolume(ec2_volume_id)
LOG.info("deleted volume %s" % volume['id'])
def create_snapshot(self, snapshot):
"""Create a snapshot."""
pass
def delete_snapshot(self, snapshot):
"""Delete a snapshot."""
pass
def get_volume_stats(self, refresh=False):
"""Get volume stats."""
data = {
'volume_backend_name': "EC2",
'storage_protocol': 'LSI Logic SCSI',
'driver_version': self.VERSION,
'vendor_name': 'Huawei',
'total_capacity_gb': 1000,
'free_capacity_gb': 1000,
'reserved_percentage': 0
}
# TODO: get from ec2
return data
def initialize_connection(self, volume, connector):
"""Map a volume to a host."""
LOG.info("attach volume: %s; arn: %s " %
(volume['id'], volume['provider_location']))
properties = {
'volume_id': volume['id'],
'remote_id': volume['provider_location']
}
LOG.info("initialize_connection success. Return data: %s." %
properties)
return {'driver_volume_type': 'ec2volume', 'data': properties}
def terminate_connection(self, volume, connector, **kwargs):
pass
def create_export(self, context, volume):
"""Export the volume."""
pass
def ensure_export(self, context, volume):
"""Synchronously recreate an export for a volume."""
pass
def remove_export(self, context, volume):
"""Remove an export for a volume."""
pass
def create_volume_from_snapshot(self, volume, snapshot):
"""Create a volume from a snapshot."""
snapshot_id = snapshot.get('id')
volume_id = volume.get('id')
ec2_volume_id = self.ec2.createVolumeFromSnapshot(
snapshot_id, volume_id)
model_update = {'provider_location': ec2_volume_id}
return model_update
def validate_connector(self, connector):
"""Fail if connector doesn't contain all the data needed by driver."""
LOG.debug('ec2volume Driver: validate_connector')
pass
