qemu-iotests: add testcases for mirroring on-source-error/on-target-error
The new options are tested with blkdebug on both the source and the target. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini
Kevin Wolf
parent
9eb80eadd4
commit
9dfa9f5930
@ -292,6 +292,259 @@ class TestMirrorNoBacking(ImageMirroringTestCase):
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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class TestReadErrors(ImageMirroringTestCase):
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image_len = 2 * 1024 * 1024 # MB
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# this should be a multiple of twice the default granularity
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# so that we hit this offset first in state 1
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MIRROR_GRANULARITY = 1024 * 1024
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def create_blkdebug_file(self, name, event, errno):
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file = open(name, 'w')
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file.write('''
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[inject-error]
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state = "1"
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event = "%s"
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errno = "%d"
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immediately = "off"
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once = "on"
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sector = "%d"
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[set-state]
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state = "1"
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event = "%s"
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new_state = "2"
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[set-state]
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state = "2"
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event = "%s"
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new_state = "1"
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''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event))
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file.close()
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def setUp(self):
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self.blkdebug_file = backing_img + ".blkdebug"
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self.create_image(backing_img, TestReadErrors.image_len)
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self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5)
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qemu_img('create', '-f', iotests.imgfmt,
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'-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw'
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% (self.blkdebug_file, backing_img),
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test_img)
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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os.remove(self.blkdebug_file)
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def test_report_read(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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target=target_img)
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self.assert_qmp(result, 'return', {})
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completed = False
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error = False
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while not completed:
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for event in self.vm.get_qmp_events(wait=True):
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if event['event'] == 'BLOCK_JOB_ERROR':
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self.assert_qmp(event, 'data/device', 'drive0')
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self.assert_qmp(event, 'data/operation', 'read')
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error = True
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elif event['event'] == 'BLOCK_JOB_READY':
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self.assertTrue(False, 'job completed unexpectedly')
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elif event['event'] == 'BLOCK_JOB_COMPLETED':
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self.assertTrue(error, 'job completed unexpectedly')
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self.assert_qmp(event, 'data/type', 'mirror')
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self.assert_qmp(event, 'data/device', 'drive0')
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self.assert_qmp(event, 'data/error', 'Input/output error')
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self.assert_qmp(event, 'data/len', self.image_len)
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completed = True
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self.assert_no_active_mirrors()
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self.vm.shutdown()
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def test_ignore_read(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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target=target_img, on_source_error='ignore')
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self.assert_qmp(result, 'return', {})
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event = self.vm.get_qmp_event(wait=True)
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self.assertEquals(event['event'], 'BLOCK_JOB_ERROR')
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self.assert_qmp(event, 'data/device', 'drive0')
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self.assert_qmp(event, 'data/operation', 'read')
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/paused', False)
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self.complete_and_wait()
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self.vm.shutdown()
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def test_stop_read(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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target=target_img, on_source_error='stop')
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self.assert_qmp(result, 'return', {})
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error = False
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ready = False
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while not ready:
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for event in self.vm.get_qmp_events(wait=True):
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if event['event'] == 'BLOCK_JOB_ERROR':
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self.assert_qmp(event, 'data/device', 'drive0')
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self.assert_qmp(event, 'data/operation', 'read')
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/paused', True)
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self.assert_qmp(result, 'return[0]/io-status', 'failed')
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result = self.vm.qmp('block-job-resume', device='drive0')
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self.assert_qmp(result, 'return', {})
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error = True
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elif event['event'] == 'BLOCK_JOB_READY':
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self.assertTrue(error, 'job completed unexpectedly')
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self.assert_qmp(event, 'data/device', 'drive0')
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ready = True
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/paused', False)
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self.assert_qmp(result, 'return[0]/io-status', 'ok')
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self.complete_and_wait(wait_ready=False)
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self.assert_no_active_mirrors()
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self.vm.shutdown()
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class TestWriteErrors(ImageMirroringTestCase):
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image_len = 2 * 1024 * 1024 # MB
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# this should be a multiple of twice the default granularity
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# so that we hit this offset first in state 1
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MIRROR_GRANULARITY = 1024 * 1024
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def create_blkdebug_file(self, name, event, errno):
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file = open(name, 'w')
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file.write('''
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[inject-error]
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state = "1"
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event = "%s"
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errno = "%d"
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immediately = "off"
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once = "on"
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sector = "%d"
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[set-state]
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state = "1"
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event = "%s"
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new_state = "2"
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[set-state]
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state = "2"
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event = "%s"
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new_state = "1"
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''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event))
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file.close()
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def setUp(self):
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self.blkdebug_file = target_img + ".blkdebug"
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self.create_image(backing_img, TestWriteErrors.image_len)
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self.create_blkdebug_file(self.blkdebug_file, "write_aio", 5)
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qemu_img('create', '-f', iotests.imgfmt, '-obacking_file=%s' %(backing_img), test_img)
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self.vm = iotests.VM().add_drive(test_img)
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self.target_img = 'blkdebug:%s:%s' % (self.blkdebug_file, target_img)
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qemu_img('create', '-f', iotests.imgfmt, '-osize=%d' %(TestWriteErrors.image_len), target_img)
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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os.remove(self.blkdebug_file)
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def test_report_write(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=self.target_img)
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self.assert_qmp(result, 'return', {})
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completed = False
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error = False
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while not completed:
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for event in self.vm.get_qmp_events(wait=True):
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if event['event'] == 'BLOCK_JOB_ERROR':
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self.assert_qmp(event, 'data/device', 'drive0')
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self.assert_qmp(event, 'data/operation', 'write')
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error = True
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elif event['event'] == 'BLOCK_JOB_READY':
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self.assertTrue(False, 'job completed unexpectedly')
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elif event['event'] == 'BLOCK_JOB_COMPLETED':
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self.assertTrue(error, 'job completed unexpectedly')
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self.assert_qmp(event, 'data/type', 'mirror')
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self.assert_qmp(event, 'data/device', 'drive0')
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self.assert_qmp(event, 'data/error', 'Input/output error')
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self.assert_qmp(event, 'data/len', self.image_len)
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completed = True
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self.assert_no_active_mirrors()
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self.vm.shutdown()
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def test_ignore_write(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=self.target_img,
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on_target_error='ignore')
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self.assert_qmp(result, 'return', {})
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event = self.vm.get_qmp_event(wait=True)
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self.assertEquals(event['event'], 'BLOCK_JOB_ERROR')
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self.assert_qmp(event, 'data/device', 'drive0')
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self.assert_qmp(event, 'data/operation', 'write')
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/paused', False)
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self.complete_and_wait()
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self.vm.shutdown()
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def test_stop_write(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=self.target_img,
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on_target_error='stop')
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self.assert_qmp(result, 'return', {})
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error = False
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ready = False
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while not ready:
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for event in self.vm.get_qmp_events(wait=True):
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if event['event'] == 'BLOCK_JOB_ERROR':
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self.assert_qmp(event, 'data/device', 'drive0')
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self.assert_qmp(event, 'data/operation', 'write')
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/paused', True)
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self.assert_qmp(result, 'return[0]/io-status', 'failed')
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result = self.vm.qmp('block-job-resume', device='drive0')
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/paused', False)
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self.assert_qmp(result, 'return[0]/io-status', 'ok')
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error = True
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elif event['event'] == 'BLOCK_JOB_READY':
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self.assertTrue(error, 'job completed unexpectedly')
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self.assert_qmp(event, 'data/device', 'drive0')
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ready = True
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self.complete_and_wait(wait_ready=False)
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self.assert_no_active_mirrors()
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self.vm.shutdown()
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class TestSetSpeed(ImageMirroringTestCase):
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image_len = 80 * 1024 * 1024 # MB
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@ -1,5 +1,5 @@
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............
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..................
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----------------------------------------------------------------------
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Ran 12 tests
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Ran 18 tests
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OK
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@ -106,6 +106,10 @@ class VM(object):
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return self._qmp.cmd(cmd, args=qmp_args)
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def get_qmp_event(self, wait=False):
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'''Poll for one queued QMP events and return it'''
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return self._qmp.pull_event(wait=wait)
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def get_qmp_events(self, wait=False):
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'''Poll for queued QMP events and return a list of dicts'''
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events = self._qmp.get_events(wait=wait)
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