@@ -30,7 +30,7 @@
import subprocess
import sys
import time
-from typing import (Any, Callable, Dict, Iterable,
+from typing import (Any, Callable, Dict, Iterable, Iterator,
List, Optional, Sequence, TextIO, Tuple, Type, TypeVar)
import unittest
@@ -114,6 +114,24 @@
sample_img_dir = os.environ['SAMPLE_IMG_DIR']
+@contextmanager
+def change_log_level(
+ logger_name: str, level: int = logging.CRITICAL) -> Iterator[None]:
+ """
+ Utility function for temporarily changing the log level of a logger.
+
+ This can be used to silence errors that are expected or uninteresting.
+ """
+ _logger = logging.getLogger(logger_name)
+ current_level = _logger.level
+ _logger.setLevel(level)
+
+ try:
+ yield
+ finally:
+ _logger.setLevel(current_level)
+
+
def unarchive_sample_image(sample, fname):
sample_fname = os.path.join(sample_img_dir, sample + '.bz2')
with bz2.open(sample_fname) as f_in, open(fname, 'wb') as f_out:
@@ -26,7 +26,7 @@ from qemu.machine import machine
from qemu.qmp import QMPConnectError
import iotests
-from iotests import qemu_img
+from iotests import change_log_level, qemu_img
image_size = 1 * 1024 * 1024
@@ -100,9 +100,13 @@ class TestMirrorTopPerms(iotests.QMPTestCase):
self.vm_b.add_blockdev(f'file,node-name=drive0,filename={source}')
self.vm_b.add_device('virtio-blk,drive=drive0,share-rw=on')
try:
- self.vm_b.launch()
- print('ERROR: VM B launched successfully, this should not have '
- 'happened')
+ # Silence AQMP errors temporarily.
+ # TODO: Remove this and just allow the errors to be logged when
+ # AQMP fully replaces QMP.
+ with change_log_level('qemu.aqmp'):
+ self.vm_b.launch()
+ print('ERROR: VM B launched successfully, '
+ 'this should not have happened')
except (QMPConnectError, ConnectError):
assert 'Is another process using the image' in self.vm_b.get_log()