def detach_volume(self, connection_info, instance_name, mountpoint): """Detach volume storage to VM instance""" # Before we start, check that the VM exists vm_ref = VMHelper.lookup(self._session, instance_name) if vm_ref is None: raise exception.InstanceNotFound(instance_id=instance_name) # Detach VBD from VM LOG.debug(_("Detach_volume: %(instance_name)s, %(mountpoint)s") % locals()) device_number = VolumeHelper.mountpoint_to_number(mountpoint) try: vbd_ref = VMHelper.find_vbd_by_number(self._session, vm_ref, device_number) except StorageError, exc: LOG.exception(exc) raise Exception(_('Unable to locate volume %s') % mountpoint)
def detach_volume(self, connection_info, instance_name, mountpoint): """Detach volume storage to VM instance""" # Before we start, check that the VM exists vm_ref = VMHelper.lookup(self._session, instance_name) if vm_ref is None: raise exception.InstanceNotFound(instance_id=instance_name) # Detach VBD from VM LOG.debug( _("Detach_volume: %(instance_name)s, %(mountpoint)s") % locals()) device_number = VolumeHelper.mountpoint_to_number(mountpoint) try: vbd_ref = VMHelper.find_vbd_by_number(self._session, vm_ref, device_number) except StorageError, exc: LOG.exception(exc) raise Exception(_('Unable to locate volume %s') % mountpoint)
if 'vdi_uuid' in data: vdi_uuid = data['vdi_uuid'] else: vdi_uuid = None # Introduce VDI and attach VBD to VM try: vdi_ref = VolumeHelper.introduce_vdi(self._session, sr_ref, vdi_uuid) except StorageError, exc: LOG.exception(exc) self.forget_sr(uuid) raise Exception(_('Unable to create VDI on SR %(sr_ref)s for' ' instance %(instance_name)s') % locals()) dev_number = VolumeHelper.mountpoint_to_number(mountpoint) try: vbd_ref = VolumeHelper.create_vbd(self._session, vm_ref, vdi_ref, dev_number, False) except self.XenAPI.Failure, exc: LOG.exception(exc) self.forget_sr(uuid) raise Exception(_('Unable to use SR %(sr_ref)s for' ' instance %(instance_name)s') % locals()) try: self._session.call_xenapi("VBD.plug", vbd_ref) except self.XenAPI.Failure, exc:
vdi_uuid = data['vdi_uuid'] else: vdi_uuid = None # Introduce VDI and attach VBD to VM try: vdi_ref = VolumeHelper.introduce_vdi(self._session, sr_ref, vdi_uuid) except StorageError, exc: LOG.exception(exc) self.forget_sr(uuid) raise Exception( _('Unable to create VDI on SR %(sr_ref)s for' ' instance %(instance_name)s') % locals()) dev_number = VolumeHelper.mountpoint_to_number(mountpoint) try: vbd_ref = VolumeHelper.create_vbd(self._session, vm_ref, vdi_ref, dev_number, False) except self.XenAPI.Failure, exc: LOG.exception(exc) self.forget_sr(uuid) raise Exception( _('Unable to use SR %(sr_ref)s for' ' instance %(instance_name)s') % locals()) try: self._session.call_xenapi("VBD.plug", vbd_ref) except self.XenAPI.Failure, exc: LOG.exception(exc) self.forget_sr(uuid)