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9dd003a998
We are going to drop group file. Define group in tests as a preparatory
step.
The patch is generated by
cd tests/qemu-iotests
grep '^[0-9]\{3\} ' group | while read line; do
file=$(awk '{print $1}' <<< "$line");
groups=$(sed -e 's/^... //' <<< "$line");
awk "NR==2{print \"# group: $groups\"}1" $file > tmp;
cat tmp > $file;
done
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210116134424.82867-7-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
100 lines
3.0 KiB
Python
Executable File
100 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# group: rw quick
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#
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# Test NBD client reconnection
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#
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# Copyright (c) 2019 Virtuozzo International GmbH
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import os
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import subprocess
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import iotests
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from iotests import file_path, log
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iotests.script_initialize()
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nbd_sock, conf_file = file_path('nbd-sock', 'nbd-fault-injector.conf')
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def make_conf_file(event):
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"""
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Create configuration file for the nbd-fault-injector.py
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:param event: which event the server should close a connection on
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"""
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with open(conf_file, 'w') as conff:
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conff.write('[inject-error]\nevent={}\nwhen=after'.format(event))
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def start_server_NBD(event):
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make_conf_file(event)
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srv = subprocess.Popen(['./nbd-fault-injector.py', '--classic-negotiation',
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nbd_sock, conf_file], stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT, universal_newlines=True)
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line = srv.stdout.readline()
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if 'Listening on ' in line:
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log('NBD server: started')
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else:
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log('NBD server: ' + line.rstrip())
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return srv
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def start_client_NBD():
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log('NBD client: QEMU-IO write')
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args = iotests.qemu_io_args_no_fmt + \
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['-c', 'write -P 0x7 0 3M', '--image-opts',
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'driver=nbd,server.type=unix,server.path={},'
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'reconnect-delay=7'.format(nbd_sock)]
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clt = subprocess.Popen(args, stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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return clt
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def check_proc_NBD(proc, connector):
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try:
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outs, errs = proc.communicate(timeout=10)
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if proc.returncode < 0:
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log('NBD {}: EXIT SIGNAL {}\n'.format(connector, proc.returncode))
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log(outs)
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else:
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msg = outs.split('\n', 1)
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log('NBD {}: {}'.format(connector, msg[0]))
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except subprocess.TimeoutExpired:
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proc.kill()
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log('NBD {}: ERROR timeout expired'.format(connector))
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finally:
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if connector == 'server':
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os.remove(nbd_sock)
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os.remove(conf_file)
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srv = start_server_NBD('data')
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clt = start_client_NBD()
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# The server should close the connection after a client write request
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check_proc_NBD(srv, 'server')
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# Start the NBD server again
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srv = start_server_NBD('reply')
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# The client should reconnect and complete the write operation
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check_proc_NBD(clt, 'client')
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# Make it sure that server terminated
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check_proc_NBD(srv, 'server')
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