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b7719bcad2
Instead of duplicating the code to wait until the server is ready and
remember to terminate the server and wait for it, make it possible to
use like this:
with qemu_nbd_popen('-k', sock, image):
# Access image via qemu-nbd socket...
Only test 264 used this helper, but I had to modify the output since it
did not consistently when starting and stopping qemu-nbd.
Signed-off-by: Nir Soffer <nsoffer@redhat.com>
Message-Id: <20200727215846.395443-3-nsoffer@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
16 lines
671 B
Plaintext
16 lines
671 B
Plaintext
Start NBD server
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{"execute": "blockdev-add", "arguments": {"driver": "raw", "file": {"driver": "nbd", "reconnect-delay": 10, "server": {"path": "TEST_DIR/PID-nbd-sock", "type": "unix"}}, "node-name": "backup0"}}
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{"return": {}}
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{"execute": "blockdev-backup", "arguments": {"device": "drive0", "speed": 1048576, "sync": "full", "target": "backup0"}}
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{"return": {}}
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Backup job is started
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Kill NBD server
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Backup job is still in progress
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{"execute": "block-job-set-speed", "arguments": {"device": "drive0", "speed": 0}}
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{"return": {}}
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Start NBD server
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Backup completed: 5242880
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{"execute": "blockdev-del", "arguments": {"node-name": "backup0"}}
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{"return": {}}
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Kill NBD server
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