scripts: Remove debug parameter from QEMUMonitorProtocol

Use logging module for the QMP debug messages.  The only scripts
that set debug=True are iotests.py and guestperf/engine.py, and
they already call logging.basicConfig() to set up logging.

Scripts that don't configure logging are safe as long as they
don't need debugging output, because debug messages don't trigger
the "No handlers could be found for logger" message from the
Python logging module.

Scripts that already configure logging but don't use debug=True
(e.g. scripts/vm/basevm.py) will get QMP debugging enabled for
free.

Cc: "Alex Bennée" <alex.bennee@linaro.org>
Cc: Fam Zheng <famz@redhat.com>
Cc: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20171005172013.3098-3-ehabkost@redhat.com>
Reviewed-by: Lukáš Doktor <ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2017-10-05 14:20:12 -03:00
parent 8af09b8001
commit 091776545f
2 changed files with 8 additions and 11 deletions

View File

@ -177,8 +177,7 @@ class QEMUMachine(object):
def _pre_launch(self):
self._qmp = qmp.qmp.QEMUMonitorProtocol(self._monitor_address,
server=True,
debug=self._debug)
server=True)
def _post_launch(self):
self._qmp.accept()

View File

@ -11,7 +11,7 @@
import json
import errno
import socket
import sys
import logging
class QMPError(Exception):
@ -32,12 +32,14 @@ class QMPTimeoutError(QMPError):
class QEMUMonitorProtocol(object):
#: Logger object for debugging messages
logger = logging.getLogger('QMP')
#: Socket's error class
error = socket.error
#: Socket's timeout
timeout = socket.timeout
def __init__(self, address, server=False, debug=False):
def __init__(self, address, server=False):
"""
Create a QEMUMonitorProtocol class.
@ -51,7 +53,6 @@ class QEMUMonitorProtocol(object):
"""
self.__events = []
self.__address = address
self._debug = debug
self.__sock = self.__get_sock()
self.__sockfile = None
if server:
@ -83,8 +84,7 @@ class QEMUMonitorProtocol(object):
return
resp = json.loads(data)
if 'event' in resp:
if self._debug:
print >>sys.stderr, "QMP:<<< %s" % resp
self.logger.debug("<<< %s", resp)
self.__events.append(resp)
if not only_event:
continue
@ -164,8 +164,7 @@ class QEMUMonitorProtocol(object):
@return QMP response as a Python dict or None if the connection has
been closed
"""
if self._debug:
print >>sys.stderr, "QMP:>>> %s" % qmp_cmd
self.logger.debug(">>> %s", qmp_cmd)
try:
self.__sock.sendall(json.dumps(qmp_cmd))
except socket.error as err:
@ -173,8 +172,7 @@ class QEMUMonitorProtocol(object):
return
raise socket.error(err)
resp = self.__json_read()
if self._debug:
print >>sys.stderr, "QMP:<<< %s" % resp
self.logger.debug("<<< %s", resp)
return resp
def cmd(self, name, args=None, cmd_id=None):