def detach(self, client, volume_id):
# TODO(e0ne): multipath support
conn_prop = connector.get_connector_properties(utils.get_root_helper(),
utils.get_my_ip(),
multipath=False,
enforce_multipath=False)
connection = client.volumes.initialize_connection(volume_id, conn_prop)
nfs_mount_point_base = connection.get('mount_point_base')
brick_connector = self._brick_get_connector(
connection['driver_volume_type'],
nfs_mount_point_base=nfs_mount_point_base)
# TODO(e0ne): use real device info from params
device_info = {}
brick_connector.disconnect_volume(connection['data'], device_info)
protocol = connection['driver_volume_type']
protocol = protocol.upper()
if protocol == 'RBD':
# TODO(e0ne): move to detach_rbd_volume() function
# TODO(e0ne): multipath support
pool, volume = connection['data']['name'].split('/')
dev_name = '/dev/rbd/{pool}/{volume}'.format(pool=pool,
volume=volume)
cmd = ['rbd', 'unmap', dev_name]
processutils.execute(*cmd,
root_helper=utils.get_root_helper(),
run_as_root=True)
elif protocol == 'NFS':
nfs_share = connection['data']['export']
cmd = ['umount', nfs_share]
processutils.execute(*cmd, root_helper=utils.get_root_helper(),
run_as_root=True)
client.volumes.terminate_connection(volume_id, conn_prop)
client.volumes.detach(volume_id)
def get_connector(self):
# TODO(e0ne): multipath support
conn_prop = connector.get_connector_properties(utils.get_root_helper(),
utils.get_my_ip(),
multipath=False,
enforce_multipath=False)
return conn_prop
def attach(self, client, volume_id, hostname):
# TODO(e0ne): multipath support
conn_prop = connector.get_connector_properties(utils.get_root_helper(),
utils.get_my_ip(),
multipath=False,
enforce_multipath=False)
connection = client.volumes.initialize_connection(volume_id, conn_prop)
protocol = connection['driver_volume_type']
protocol = protocol.upper()
nfs_mount_point_base = connection.get('mount_point_base')
brick_connector = self._brick_get_connector(
protocol, nfs_mount_point_base=nfs_mount_point_base)
device_info = brick_connector.connect_volume(connection['data'])
if protocol == 'RBD':
# TODO(e0ne): move to attach_rbd_volume() function
# TODO(e0ne): multipath support
pool, volume = connection['data']['name'].split('/')
cmd = ['rbd', 'map', volume, '--pool', pool]
processutils.execute(*cmd, root_helper=utils.get_root_helper(),
run_as_root=True)
client.volumes.attach(volume_id, None, None, host_name=hostname)
return device_info
def _brick_get_connector(self, protocol, driver=None,
execute=processutils.execute,
use_multipath=False,
device_scan_attempts=3,
*args, **kwargs):
"""Wrapper to get a brick connector object.
This automatically populates the required protocol as well
as the root_helper needed to execute commands.
"""
return connector.InitiatorConnector.factory(protocol,
utils.get_root_helper(),
driver=driver,
execute=execute,
use_multipath=
use_multipath,
device_scan_attempts=
device_scan_attempts,
*args, **kwargs)
