def detach_volume(self, connection_info, instance_name, mountpoint):
"""Detach volume storage to VM instance."""
LOG.debug("Detach_volume: %(instance_name)s, %(mountpoint)s", {
'instance_name': instance_name,
'mountpoint': mountpoint
})
vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
device_number = volume_utils.get_device_number(mountpoint)
vbd_ref = volume_utils.find_vbd_by_number(self._session, vm_ref,
device_number)
if vbd_ref is None:
# NOTE(sirp): If we don't find the VBD then it must have been
# detached previously.
LOG.warning(
_LW('Skipping detach because VBD for %s was '
'not found'), instance_name)
else:
self._detach_vbds_and_srs(vm_ref, [vbd_ref])
LOG.info(
_LI('Mountpoint %(mountpoint)s detached from instance'
' %(instance_name)s'), {
'instance_name': instance_name,
'mountpoint': mountpoint
})
def attach_volume(self, connection_info, instance_name, mountpoint,
hotplug=True):
"""Attach volume to VM instance."""
# TODO(johngarbutt) move this into _attach_volume_to_vm
dev_number = volume_utils.get_device_number(mountpoint)
vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
return self._attach_volume(connection_info, vm_ref,
instance_name, dev_number, hotplug)
def attach_volume(self,
connection_info,
instance_name,
mountpoint,
hotplug=True):
"""Attach volume to VM instance."""
# TODO(johngarbutt) move this into _attach_volume_to_vm
dev_number = volume_utils.get_device_number(mountpoint)
vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
return self._attach_volume(connection_info, vm_ref, instance_name,
dev_number, hotplug)
def detach_volume(self, connection_info, instance_name, mountpoint):
"""Detach volume storage to VM instance."""
LOG.debug("Detach_volume: %(instance_name)s, %(mountpoint)s",
{'instance_name': instance_name, 'mountpoint': mountpoint})
vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
device_number = volume_utils.get_device_number(mountpoint)
vbd_ref = volume_utils.find_vbd_by_number(self._session, vm_ref,
device_number)
if vbd_ref is None:
# NOTE(sirp): If we don't find the VBD then it must have been
# detached previously.
LOG.warning(_LW('Skipping detach because VBD for %s was '
'not found'), instance_name)
else:
self._detach_vbds_and_srs(vm_ref, [vbd_ref])
LOG.info(_LI('Mountpoint %(mountpoint)s detached from instance'
' %(instance_name)s'),
{'instance_name': instance_name,
'mountpoint': mountpoint})
