class StorageGatewayIscsiDriver(driver.ISCSIDriver):
aws_sg = None
VERSION = "1.0"
def __init__(self, *args, **kwargs):
super(StorageGatewayIscsiDriver, self).__init__(*args, **kwargs)
self.aws_sg = JavaGateway().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):
"""Create a volume."""
volume_size = long(volume['size']) * 1024 * 1024 * 1024
volume_arn = self.aws_sg.createVolume(volume['name'], volume_size)
LOG.info("volume:%s, volume arn:%s" % (volume['name'], volume_arn))
return {'provider_location': volume_arn}
def create_volume_from_snapshot(self, volume, snapshot):
"""Create a volume from a snapshot."""
pass
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, 'provider_location'):
volume_arn = snapshot['provider_location']
if volume_arn:
self.aws_sg.deleteVolume(volume_arn)
def create_snapshot(self, snapshot):
"""Create a snapshot."""
volume_name = snapshot.get('volume_id')
snapshot_id = snapshot.get('id')
snapshot_name = snapshot.get('display_name')
snapshot_description = snapshot_id + snapshot_name
status = 'pending'
snapshot_arn = self.aws_sg.createSnapshot(volume_name,
snapshot_description)
while status == 'pending':
time.sleep(10)
status = self.aws_sg.getSnapshotStatus(snapshot_arn)
if status == 'completed':
return {'provider_location': snapshot_arn}
else:
raise exception.VolumeBackend(_('Failed to create snapshot %s'),
snapshot_id)
def delete_snapshot(self, snapshot):
"""Delete a snapshot."""
if hasattr(snapshot, 'provider_location'):
snapshot_arn = snapshot['provider_location']
if snapshot_arn:
self.aws_sg.deleteSnapshot(snapshot_arn)
def get_volume_stats(self, refresh=False):
"""Get volume stats."""
backend_name = self.configuration.safe_get('volume_backend_name')
data = {}
data['volume_backend_name'] = backend_name
data['storage_protocol'] = 'iSCSI'
data['driver_version'] = self.VERSION
data['vendor_name'] = 'Huawei'
# TODO: get from sg
data['total_capacity_gb'] = 1000
data['free_capacity_gb'] = 1000
data['reserved_percentage'] = 0
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']))
target = JavaGateway().jvm.java.util.HashMap()
target = self.aws_sg.decribeVolume(volume['provider_location'])
properties = {}
properties['target_discovered'] = False
properties['target_portal'] = ('%s:%s' % (target['ip'], '3260'))
properties['target_iqn'] = target['iqn']
properties['volume_id'] = volume['id']
LOG.info("initialize_connection_iscsi success. Return data: %s." %
properties)
return {'driver_volume_type': 'iscsi', '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
class StorageGatewayIscsiDriver(driver.ISCSIDriver):
aws_sg = None
VERSION = "1.0"
def __init__(self, *args, **kwargs):
super(StorageGatewayIscsiDriver, self).__init__(*args, **kwargs)
self.aws_sg = JavaGateway().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):
"""Create a volume."""
volume_size = long(volume['size']) * 1024 * 1024 * 1024
volume_arn = self.aws_sg.createVolume(volume['name'], volume_size)
LOG.info("volume:%s, volume arn:%s" % (volume['name'], volume_arn))
return {'provider_location': volume_arn}
def create_volume_from_snapshot(self, volume, snapshot):
"""Create a volume from a snapshot."""
pass
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, 'provider_location'):
volume_arn = snapshot['provider_location']
if volume_arn:
self.aws_sg.deleteVolume(volume_arn)
def create_snapshot(self, snapshot):
"""Create a snapshot."""
volume_name = snapshot.get('volume_id')
snapshot_id = snapshot.get('id')
snapshot_name = snapshot.get('display_name')
snapshot_description = snapshot_id + snapshot_name
status = 'pending'
snapshot_arn = self.aws_sg.createSnapshot(volume_name,snapshot_description)
while status == 'pending':
time.sleep(10)
status = self.aws_sg.getSnapshotStatus(snapshot_arn)
if status == 'completed':
return {'provider_location': snapshot_arn}
else:
raise exception.VolumeBackend(_('Failed to create snapshot %s'),snapshot_id)
def delete_snapshot(self, snapshot):
"""Delete a snapshot."""
if hasattr(snapshot, 'provider_location'):
snapshot_arn = snapshot['provider_location']
if snapshot_arn:
self.aws_sg.deleteSnapshot(snapshot_arn)
def get_volume_stats(self, refresh=False):
"""Get volume stats."""
backend_name = self.configuration.safe_get('volume_backend_name')
data = {}
data['volume_backend_name'] = backend_name
data['storage_protocol'] = 'iSCSI'
data['driver_version'] = self.VERSION
data['vendor_name'] = 'Huawei'
# TODO: get from sg
data['total_capacity_gb'] = 1000
data['free_capacity_gb'] = 1000
data['reserved_percentage'] = 0
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']))
target = JavaGateway().jvm.java.util.HashMap()
target = self.aws_sg.decribeVolume(volume['provider_location'])
properties = {}
properties['target_discovered'] = False
properties['target_portal'] = ('%s:%s' % (target['ip'], '3260'))
properties['target_iqn'] = target['iqn']
properties['volume_id'] = volume['id']
LOG.info("initialize_connection_iscsi success. Return data: %s."
% properties)
return {'driver_volume_type': 'iscsi', '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
