Re: [Qemu-devel] [PATCH v2 3/3] scripts: Remove debug parameter from QEMUMachine

[Eduardo Habkost <ehabkost@redhat.com>]

On Sat, Oct 07, 2017 at 10:34:57AM +0200, Lukáš Doktor wrote:
> Dne 5.10.2017 v 19:20 Eduardo Habkost napsal(a):
> > All scripts that use the QEMUMachine and QEMUQtestMachine classes
> > (device-crash-test, tests/migration/*, iotests.py, basevm.py)
> > already configure logging.
> > 
> > The basicConfig() call inside QEMUMachine.__init__() is being
> > kept just to make sure a script would still work if it didn't
> > configure logging.
> > 
> > Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> > ---
> >  scripts/qemu.py                     | 6 ++----
> >  tests/migration/guestperf/engine.py | 6 ++----
> >  tests/qemu-iotests/iotests.py       | 2 --
> >  3 files changed, 4 insertions(+), 10 deletions(-)
> > 
> > diff --git a/scripts/qemu.py b/scripts/qemu.py
> > index f6d2e68627..9bfdf6d37d 100644
> > --- a/scripts/qemu.py
> > +++ b/scripts/qemu.py
> > @@ -54,7 +54,7 @@ class QEMUMachine(object):
> >  
> >      def __init__(self, binary, args=None, wrapper=None, name=None,
> >                   test_dir="/var/tmp", monitor_address=None,
> > -                 socket_scm_helper=None, debug=False):
> > +                 socket_scm_helper=None):
> >          '''
> >          Initialize a QEMUMachine
> >  
> > @@ -65,7 +65,6 @@ class QEMUMachine(object):
> >          @param test_dir: where to create socket and log file
> >          @param monitor_address: address for QMP monitor
> >          @param socket_scm_helper: helper program, required for send_fd_scm()"
> > -        @param debug: enable debug mode
> >          @note: Qemu process is not started until launch() is used.
> >          '''
> >          if args is None:
> > @@ -85,12 +84,11 @@ class QEMUMachine(object):
> >          self._events = []
> >          self._iolog = None
> >          self._socket_scm_helper = socket_scm_helper
> > -        self._debug = debug
> >          self._qmp = None
> >          self._qemu_full_args = None
> >  
> >          # just in case logging wasn't configured by the main script:
> > -        logging.basicConfig(level=(logging.DEBUG if debug else logging.WARN))
> > +        logging.basicConfig()
> Yes, this behaves the same as `debug=False`
> 
> >  
> >      def __enter__(self):
> >          return self
> > diff --git a/tests/migration/guestperf/engine.py b/tests/migration/guestperf/engine.py
> > index 0a13050bc6..e14d4320b2 100644
> > --- a/tests/migration/guestperf/engine.py
> > +++ b/tests/migration/guestperf/engine.py
> > @@ -388,15 +388,13 @@ class Engine(object):
> >                                 args=self._get_src_args(hardware),
> >                                 wrapper=self._get_src_wrapper(hardware),
> >                                 name="qemu-src-%d" % os.getpid(),
> > -                               monitor_address=srcmonaddr,
> > -                               debug=self._debug)
> > +                               monitor_address=srcmonaddr)
> >  
> >          dst = qemu.QEMUMachine(self._binary,
> >                                 args=self._get_dst_args(hardware, uri),
> >                                 wrapper=self._get_dst_wrapper(hardware),
> >                                 name="qemu-dst-%d" % os.getpid(),
> > -                               monitor_address=dstmonaddr,
> > -                               debug=self._debug)
> > +                               monitor_address=dstmonaddr)
> >  
> >          try:
> >              src.launch()
> > diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
> > index 36a7757aaf..6f057904a9 100644
> > --- a/tests/qemu-iotests/iotests.py
> > +++ b/tests/qemu-iotests/iotests.py
> > @@ -195,8 +195,6 @@ class VM(qtest.QEMUQtestMachine):
> >          super(VM, self).__init__(qemu_prog, qemu_opts, name=name,
> >                                   test_dir=test_dir,
> >                                   socket_scm_helper=socket_scm_helper)
> > -        if debug:
> > -            self._debug = True
> 
> And this is the main issue. So instead of the fix I proposed in
> previous commit major changes to
> "tests/qemu-iotests/iotests.py" are necessary.

Could you clarify what those major changes are?

iotests.py was already changed to call basicConfig() according to
args.debug in main().


> 
> >          self._num_drives = 0
> >  
> >      def add_device(self, opts):
> > 
> 




-- 
Eduardo