[v2,05/13] tests/vm: proper guest shutdown

Commit Message

Gerd Hoffmann May 10, 2019, 10:46 a.m. UTC

When not running in snapshot mode ask the guest to poweroff and wait for
this to finish instead of simply quitting qemu, so the guest can flush
pending updates to disk.

Signed-off-by: Gerd Hoffmann <[e-mail]>
---
 tests/vm/basevm.py | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

Patch

diff --git a/tests/vm/basevm.py b/tests/vm/basevm.py
index 89bfa0fe4425..cae507323596 100755
--- a/tests/vm/basevm.py
+++ b/tests/vm/basevm.py
@@ -51,6 +51,8 @@  class BaseVM(object):
     name = "#base"
     # The guest architecture, to be overridden by subclasses
     arch = "#arch"
+    # command to halt the guest, can be overridden by subclasses
+    poweroff = "poweroff"
     def __init__(self, debug=False, vcpus=None):
         self._guest = None
         self._tmpdir = os.path.realpath(tempfile.mkdtemp(prefix="vm-test-",
@@ -201,6 +203,10 @@  class BaseVM(object):
     def wait(self):
         self._guest.wait()
 
+    def graceful_shutdown(self):
+        self.ssh_root(self.poweroff)
+        self._guest.wait()
+
     def qmp(self, *args, **kwargs):
         return self._guest.qmp(*args, **kwargs)
 
@@ -277,11 +283,13 @@  def main(vmcls):
         traceback.print_exc()
         return 2
 
-    if args.interactive:
-        if vm.ssh(*cmd) == 0:
-            return 0
+    exitcode = 0
+    if vm.ssh(*cmd) != 0:
+        exitcode = 3
+    if exitcode != 0 and args.interactive:
         vm.ssh()
-        return 3
-    else:
-        if vm.ssh(*cmd) != 0:
-            return 3
+
+    if not args.snapshot:
+        vm.graceful_shutdown()
+
+    return exitcode