tests: add test that reboots a guest during live migration

Author: tpressure

tests/testscript.py

@@ -1445,13 +1445,42 @@ def test_live_migration_tls(self):
 
                 assert wait_for_ssh(dst)
 
+    def test_guest_reboot_during_live_migration(self):
+        """
+        Test that a guest induced reboot during live migration keeps the VM
+        running. The exact semantics need to be sorted out, but at least
+        CHV and libvirt should handle this situation gracefully.
+        XXX: the exact semantics of this scenario are TBD
+        """
+
+        controllerVM.succeed("virsh define /etc/domain-chv.xml")
+        controllerVM.succeed("virsh start testvm")
+
+        assert wait_for_ssh(controllerVM)
+
+        status, _ = ssh(controllerVM, "screen -dmS stress stress -m 4 --vm-bytes 400M")
+        assert status == 0
+
+        # breakpoint()
+        status, _ = ssh(controllerVM, "screen -dmS nohup sh -c 'sleep 10 && reboot'")
+        assert status == 0
+
+        controllerVM.fail(
+            "virsh migrate --domain testvm --desturi ch+tcp://computeVM/session --persistent --live --p2p"
+        )
+
+        computeVM.fail("virsh list | grep testvm")
+        controllerVM.succeed("virsh list | grep testvm")
+
+
 
 def suite():
     # Test cases in alphabetical order
     testcases = [
         LibvirtTests.test_disk_is_locked,
         LibvirtTests.test_disk_resize_qcow2,
         LibvirtTests.test_disk_resize_raw,
+        LibvirtTests.test_guest_reboot_during_live_migration,
         LibvirtTests.test_hotplug,
         LibvirtTests.test_hugepages,
         LibvirtTests.test_hugepages_prefault,