mirror of
https://github.com/Motorhead1991/qemu.git
synced 2025-08-08 02:03:56 -06:00
iotests: port 141 to Python for reliable QMP testing
The common.qemu bash functions allow tests to interact with the QMP monitor of a QEMU process. I spent two days trying to update 141 when the order of the test output changed, but found it would still fail occassionally because printf() and QMP events race with synchronous QMP communication. I gave up and ported 141 to the existing Python API for QMP tests. The Python API is less affected by the order in which QEMU prints output because it does not print all QMP traffic by default. The next commit changes the order in which QMP messages are received. Make 141 reliable first. Cc: Hanna Czenczek <hreitz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-ID: <20240118144823.1497953-3-stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi
Kevin Wolf
parent
da62b507a2
commit
9ee2dd4c22
2 changed files with 154 additions and 309 deletions
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@ -1,179 +1,69 @@
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QA output created by 141
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Formatting 'TEST_DIR/b.IMGFMT', fmt=IMGFMT size=1048576
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Formatting 'TEST_DIR/m.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/b.IMGFMT backing_fmt=IMGFMT
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/m.IMGFMT backing_fmt=IMGFMT
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{'execute': 'qmp_capabilities'}
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{"return": {}}
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Creating bottom <- middle <- top backing file chain...
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Starting VM...
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=== Testing drive-backup ===
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{'execute': 'blockdev-add',
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'arguments': {
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'node-name': 'drv0',
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'driver': 'IMGFMT',
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'file': {
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'driver': 'file',
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'filename': 'TEST_DIR/t.IMGFMT'
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}}}
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{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top"}, "node-name": "drv0"}}
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{"return": {}}
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{'execute': 'drive-backup',
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'arguments': {'job-id': 'job0',
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'device': 'drv0',
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'target': 'TEST_DIR/o.IMGFMT',
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'format': 'IMGFMT',
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'sync': 'none'}}
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Formatting 'TEST_DIR/o.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT backing_fmt=IMGFMT
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "paused", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
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{'execute': 'blockdev-del',
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'arguments': {'node-name': 'drv0'}}
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{"execute": "drive-backup", "arguments": {"device": "drv0", "format": "IMGFMT", "job-id": "job0", "sync": "none", "target": "TEST_DIR/PID-target"}}
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{"return": {}}
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{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
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{"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: node is used as backing hd of 'NODE_NAME'"}}
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{'execute': 'block-job-cancel',
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'arguments': {'device': 'job0'}}
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{"execute": "block-job-cancel", "arguments": {"device": "job0"}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "aborting", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "job0", "len": 1048576, "offset": 0, "speed": 0, "type": "backup"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}}
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{'execute': 'blockdev-del',
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'arguments': {'node-name': 'drv0'}}
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{"data": {"device": "job0", "len": 1048576, "offset": 0, "speed": 0, "type": "backup"}, "event": "BLOCK_JOB_CANCELLED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
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{"return": {}}
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=== Testing drive-mirror ===
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{'execute': 'blockdev-add',
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'arguments': {
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'node-name': 'drv0',
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'driver': 'IMGFMT',
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'file': {
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'driver': 'file',
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'filename': 'TEST_DIR/t.IMGFMT'
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}}}
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{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top"}, "node-name": "drv0"}}
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{"return": {}}
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{'execute': 'drive-mirror',
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'arguments': {'job-id': 'job0',
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'device': 'drv0',
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'target': 'TEST_DIR/o.IMGFMT',
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'format': 'IMGFMT',
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'sync': 'none'}}
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Formatting 'TEST_DIR/o.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT backing_fmt=IMGFMT
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "mirror"}}
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{'execute': 'blockdev-del',
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'arguments': {'node-name': 'drv0'}}
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{"execute": "drive-mirror", "arguments": {"device": "drv0", "format": "IMGFMT", "job-id": "job0", "sync": "none", "target": "TEST_DIR/PID-target"}}
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{"return": {}}
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{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "mirror"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
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{"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device is in use by block job: mirror"}}
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{'execute': 'block-job-cancel',
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'arguments': {'device': 'job0'}}
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{"execute": "block-job-cancel", "arguments": {"device": "job0"}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "mirror"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}}
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{'execute': 'blockdev-del',
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'arguments': {'node-name': 'drv0'}}
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{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "mirror"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
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{"return": {}}
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=== Testing active block-commit ===
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{'execute': 'blockdev-add',
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'arguments': {
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'node-name': 'drv0',
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'driver': 'IMGFMT',
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'file': {
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'driver': 'file',
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'filename': 'TEST_DIR/t.IMGFMT'
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}}}
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{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top"}, "node-name": "drv0"}}
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{"return": {}}
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{'execute': 'block-commit',
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'arguments': {'job-id': 'job0', 'device': 'drv0'}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}}
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{'execute': 'blockdev-del',
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'arguments': {'node-name': 'drv0'}}
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{"execute": "block-commit", "arguments": {"device": "drv0", "job-id": "job0"}}
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{"return": {}}
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{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
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{"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device is in use by block job: commit"}}
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{'execute': 'block-job-cancel',
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'arguments': {'device': 'job0'}}
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{"execute": "block-job-cancel", "arguments": {"device": "job0"}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}}
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{'execute': 'blockdev-del',
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'arguments': {'node-name': 'drv0'}}
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{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
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{"return": {}}
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=== Testing non-active block-commit ===
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wrote 1048576/1048576 bytes at offset 0
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1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{'execute': 'blockdev-add',
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'arguments': {
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'node-name': 'drv0',
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'driver': 'IMGFMT',
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'file': {
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'driver': 'file',
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'filename': 'TEST_DIR/t.IMGFMT'
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}}}
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{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top"}, "node-name": "drv0"}}
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{"return": {}}
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{'execute': 'block-commit',
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'arguments': {'job-id': 'job0',
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'device': 'drv0',
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'top': 'TEST_DIR/m.IMGFMT',
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'speed': 1}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
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{'execute': 'blockdev-del',
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'arguments': {'node-name': 'drv0'}}
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{"execute": "block-commit", "arguments": {"device": "drv0", "job-id": "job0", "speed": 1, "top": "TEST_DIR/PID-middle"}}
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{"return": {}}
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{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
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{"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device is in use by block job: commit"}}
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{'execute': 'block-job-cancel',
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'arguments': {'device': 'job0'}}
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{"execute": "block-job-cancel", "arguments": {"device": "job0"}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "aborting", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "job0", "len": 1048576, "offset": 524288, "speed": 1, "type": "commit"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}}
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{'execute': 'blockdev-del',
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'arguments': {'node-name': 'drv0'}}
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{"data": {"device": "job0", "len": 1048576, "offset": 524288, "speed": 1, "type": "commit"}, "event": "BLOCK_JOB_CANCELLED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
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{"return": {}}
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=== Testing block-stream ===
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wrote 1048576/1048576 bytes at offset 0
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1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{'execute': 'blockdev-add',
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'arguments': {
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'node-name': 'drv0',
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'driver': 'IMGFMT',
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'file': {
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'driver': 'file',
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'filename': 'TEST_DIR/t.IMGFMT'
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}}}
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{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top"}, "node-name": "drv0"}}
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{"return": {}}
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{'execute': 'block-stream',
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'arguments': {'job-id': 'job0',
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'device': 'drv0',
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'speed': 1}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
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{'execute': 'blockdev-del',
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'arguments': {'node-name': 'drv0'}}
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{"execute": "block-stream", "arguments": {"device": "drv0", "job-id": "job0", "speed": 1}}
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{"return": {}}
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{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
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{"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device is in use by block job: stream"}}
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{'execute': 'block-job-cancel',
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'arguments': {'device': 'job0'}}
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{"execute": "block-job-cancel", "arguments": {"device": "job0"}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "aborting", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "job0", "len": 1048576, "offset": 524288, "speed": 1, "type": "stream"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job0"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}}
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{'execute': 'blockdev-del',
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'arguments': {'node-name': 'drv0'}}
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{"data": {"device": "job0", "len": 1048576, "offset": 524288, "speed": 1, "type": "stream"}, "event": "BLOCK_JOB_CANCELLED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
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{"return": {}}
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*** done
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