Please test branch 4.3 with oVirt 4.4 about ovirtbackup HOT 4 OPEN

#    @staticmethod
#    def delete_vm(api, config, vm_name):
#        """
#        Delets a vm which was created during backup
#        :param vm: Virtual machine object
#        :param config: Configuration
#        """
#        done = False
#        try:
#            vms_service = api.system_service().vms_service()
#            vm_search_regexp = 'name=' + str(vm_name) + config.get_vm_middle() + '__*'
#            for vm in vms_service.list(search=vm_search_regexp):
#                logger.info("Delete cloned VM (%s) started ..." % vm.name)
#                if not config.get_dry_run():
#                    vm_service = vms_service.vm_service(vm.id)
#                    if vm_service is None:
#                        logger.warn(
#                            "The VM (%s) doesn't exist anymore, "
#                            "skipping deletion ...", vm.name
#                        )
#                        done = True
#                        continue
#                    vm.delete_protected = False
#                    vm_service.update(vm)
#                    while True:
#                        try:
#                            vm_service.remove()
#                            break
#                        except:
#                            logger.debug("Wait for previous clone operation to complete (VM %s status is %s)..." , vm.name, vm.status)
#                            time.sleep(config.get_timeout())
#                    while True:
#                        try:
#                            vm_service.get()
#                        except:
#                            break
#                        logger.debug("Deletion of cloned VM (%s) in progress ..." % vm.name)
#                        time.sleep(config.get_timeout())
#                    done = True
#        except Exception as e:
#            logger.info("!!! Can't delete cloned VM (%s)", vm.name)
#            raise e
#        if done:
#            logger.info("Cloned VM (%s) deleted" , vm.name)

    @staticmethod
    def delete_vm(api, config, vm_name):
        """
        Delets a vm which was created during backup
        :param api: ovirtsdk api
        :param config: Configuration
        :param vm_name: Virtual machine object
        """
        global global_vm
        done = False
        try:
            vms_service = api.system_service().vms_service()
            vm_search_regexp = ("name=%s%s_*" % (vm_name, config.get_vm_middle()))
            for global_vm in vms_service.list(search=vm_search_regexp):
                logger.info("Delete cloned VM (%s) started ..." % global_vm.name)
                if not config.get_dry_run():
                    vm_service = vms_service.vm_service(global_vm.id)
                    if vm_service is None:
                        logger.warning(
                            "The VM (%s) doesn't exist anymore, "
                            "skipping deletion ...", global_vm.name
                        )
                        done = True
                        continue
                    global_vm.delete_protected = False
                    vm_service.update(global_vm)
                    while True:
                        try:
                            vm_service.remove()
                            break
                        except:
                            logger.debug("Wait for previous clone operation to complete (VM %s status is %s)...",
                                         global_vm.name, global_vm.status)
                            time.sleep(config.get_timeout())
                    while True:
                        try:
                            vm_service.get()
                        except:
                            break
                        logger.debug("Deletion of cloned VM (%s) in progress ..." % global_vm.name)
                        time.sleep(config.get_timeout())
                    done = True
        except Exception as e:
            logger.info("!!! Can't delete cloned VM (%s)", global_vm.name)
            raise e
        if done:
            logger.info("Cloned VM (%s) deleted", global_vm.name)