def _attach_volume_to_vm(self, vdi_ref, vm_ref, instance_name, dev_number,
hotplug):
LOG.debug('Attach_volume vdi: %(vdi_ref)s vm: %(vm_ref)s', {
'vdi_ref': vdi_ref,
'vm_ref': vm_ref
})
# osvol is added to the vbd so we can spot which vbds are volumes
vbd_ref = vm_utils.create_vbd(self._session,
vm_ref,
vdi_ref,
dev_number,
bootable=False,
osvol=True)
if hotplug:
# NOTE(johngarbutt) can only call VBD.plug on a running vm
running = not vm_utils.is_vm_shutdown(self._session, vm_ref)
if running:
LOG.debug("Plugging VBD: %s", vbd_ref)
self._session.VBD.plug(vbd_ref, vm_ref)
LOG.info(
_LI('Dev %(dev_number)s attached to'
' instance %(instance_name)s'), {
'instance_name': instance_name,
'dev_number': dev_number
})
def _detach_vbds_and_srs(self, vm_ref, vbd_refs):
is_vm_shutdown = vm_utils.is_vm_shutdown(self._session, vm_ref)
for vbd_ref in vbd_refs:
# find sr before we destroy the vbd
sr_ref = volume_utils.find_sr_from_vbd(self._session, vbd_ref)
if not is_vm_shutdown:
vm_utils.unplug_vbd(self._session, vbd_ref, vm_ref)
vm_utils.destroy_vbd(self._session, vbd_ref)
# Forget (i.e. disconnect) SR only if not in use
volume_utils.purge_sr(self._session, sr_ref)
def _detach_vbds_and_srs(self, vm_ref, vbd_refs):
is_vm_shutdown = vm_utils.is_vm_shutdown(self._session, vm_ref)
for vbd_ref in vbd_refs:
# find sr before we destroy the vbd
sr_ref = volume_utils.find_sr_from_vbd(self._session, vbd_ref)
if not is_vm_shutdown:
vm_utils.unplug_vbd(self._session, vbd_ref, vm_ref)
vm_utils.destroy_vbd(self._session, vbd_ref)
# Forget (i.e. disconnect) SR only if not in use
volume_utils.purge_sr(self._session, sr_ref)
def _attach_volume_to_vm(self, vdi_ref, vm_ref, instance_name, dev_number,
hotplug):
LOG.debug('Attach_volume vdi: %(vdi_ref)s vm: %(vm_ref)s',
{'vdi_ref': vdi_ref, 'vm_ref': vm_ref})
# osvol is added to the vbd so we can spot which vbds are volumes
vbd_ref = vm_utils.create_vbd(self._session, vm_ref, vdi_ref,
dev_number, bootable=False,
osvol=True)
if hotplug:
# NOTE(johngarbutt) can only call VBD.plug on a running vm
running = not vm_utils.is_vm_shutdown(self._session, vm_ref)
if running:
LOG.debug("Plugging VBD: %s", vbd_ref)
self._session.VBD.plug(vbd_ref, vm_ref)
LOG.info(_LI('Dev %(dev_number)s attached to'
' instance %(instance_name)s'),
{'instance_name': instance_name, 'dev_number': dev_number})