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python/machine.py: consolidate _post_shutdown() 

Move more cleanup actions into _post_shutdown. As a change, if QEMU
should so happen to be terminated during a call to wait(), that event
will now be logged.

This is not likely to occur during normative use.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200710050649.32434-2-jsnow@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
John Snow 2020-07-10 01:06:38 -04:00 committed by Philippe Mathieu-Daudé
parent 01afa757b6
commit 14661d93d7
1 changed files with 13 additions and 14 deletions
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27
python/qemu/machine.py
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@ -294,6 +294,8 @@ class QEMUMachine:
self._qmp.accept()
def _post_shutdown(self):
self._load_io_log()
if self._qemu_log_file is not None:
self._qemu_log_file.close()
self._qemu_log_file = None
@ -307,6 +309,17 @@ class QEMUMachine:
while len(self._remove_files) > 0:
self._remove_if_exists(self._remove_files.pop())
exitcode = self.exitcode()
if exitcode is not None and exitcode < 0:
msg = 'qemu received signal %i; command: "%s"'
if self._qemu_full_args:
command = ' '.join(self._qemu_full_args)
else:
command = ''
LOG.warning(msg, -int(exitcode), command)
self._launched = False
def launch(self):
"""
Launch the VM and make sure we cleanup and expose the
@ -355,7 +368,6 @@ class QEMUMachine:
self._popen.wait()
if self._qmp:
self._qmp.close()
self._load_io_log()
self._post_shutdown()
def shutdown(self, has_quit=False, hard=False):
@ -382,21 +394,8 @@ class QEMUMachine:
self._popen.kill()
self._popen.wait()
self._load_io_log()
self._post_shutdown()
exitcode = self.exitcode()
if exitcode is not None and exitcode < 0 and \
not (exitcode == -9 and hard):
msg = 'qemu received signal %i: %s'
if self._qemu_full_args:
command = ' '.join(self._qemu_full_args)
else:
command = ''
LOG.warning(msg, -int(exitcode), command)
self._launched = False
def kill(self):
self.shutdown(hard=True)