feat(backups): don't snapshot migrating VMs

Related to zammad#16108

@xen-orchestra/backups/_runners/_vmRunners/_AbstractXapi.mjs

@@ -31,6 +31,11 @@ export const AbstractXapi = class AbstractXapiVmBackupRunner extends Abstract {
       throw new Error('cannot backup a VM created by this very job')
     }
 
+    const currentOperations = Object.values(vm.current_operations)
+    if (currentOperations.some(_ => _ === 'migrate_send' || _ === 'pool_migrate')) {
+      throw new Error('cannot backup a VM currently being migrated')
+    }
+
     this.config = config
     this.job = job
     this.remoteAdapters = remoteAdapters

CHANGELOG.unreleased.md

@@ -10,6 +10,7 @@
 - [Host/Advanced] Display system disks health based on the _smartctl_ plugin. [#4458](https://github.com/vatesfr/xen-orchestra/issues/4458) (PR [#7060](https://github.com/vatesfr/xen-orchestra/pull/7060))
 - [Authentication] Failed attempts are now logged as XO tasks (PR [#7061](https://github.com/vatesfr/xen-orchestra/pull/7061))
 - [Backup] Prevent VMs from being migrated while they are backed up (PR [#7024](https://github.com/vatesfr/xen-orchestra/pull/7024))
+- [Backup] Prevent VMs from being backed up while they are migrated (PR [#7024](https://github.com/vatesfr/xen-orchestra/pull/7024))
 
 ### Bug fixes