diff options
-rwxr-xr-x | tests/qemu-iotests/277 | 96 | ||||
-rw-r--r-- | tests/qemu-iotests/277.out | 6 | ||||
-rw-r--r-- | tests/qemu-iotests/group | 1 | ||||
-rw-r--r-- | tests/qemu-iotests/iotests.py | 5 | ||||
-rwxr-xr-x | tests/qemu-iotests/nbd-fault-injector.py | 3 |
5 files changed, 110 insertions, 1 deletions
diff --git a/tests/qemu-iotests/277 b/tests/qemu-iotests/277 new file mode 100755 index 0000000..1f72dca --- /dev/null +++ b/tests/qemu-iotests/277 @@ -0,0 +1,96 @@ +#!/usr/bin/env python +# +# Test NBD client reconnection +# +# Copyright (c) 2019 Virtuozzo International GmbH +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +import os +import subprocess +import iotests +from iotests import file_path, log + + +nbd_sock, conf_file = file_path('nbd-sock', 'nbd-fault-injector.conf') + + +def make_conf_file(event): + """ + Create configuration file for the nbd-fault-injector.py + + :param event: which event the server should close a connection on + """ + with open(conf_file, 'w') as conff: + conff.write('[inject-error]\nevent={}\nwhen=after'.format(event)) + + +def start_server_NBD(event): + make_conf_file(event) + + srv = subprocess.Popen(['nbd-fault-injector.py', '--classic-negotiation', + nbd_sock, conf_file], stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, universal_newlines=True) + line = srv.stdout.readline() + if 'Listening on ' in line: + log('NBD server: started') + else: + log('NBD server: ' + line.rstrip()) + + return srv + + +def start_client_NBD(): + log('NBD client: QEMU-IO write') + args = iotests.qemu_io_args_no_fmt + \ + ['-c', 'write -P 0x7 0 3M', '--image-opts', + 'driver=nbd,server.type=unix,server.path={},' + 'reconnect-delay=7'.format(nbd_sock)] + clt = subprocess.Popen(args, stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + universal_newlines=True) + return clt + + +def check_proc_NBD(proc, connector): + try: + outs, errs = proc.communicate(timeout=10) + + if proc.returncode < 0: + log('NBD {}: EXIT SIGNAL {}\n'.format(connector, proc.returncode)) + log(outs) + else: + msg = outs.split('\n', 1) + log('NBD {}: {}'.format(connector, msg[0])) + + except subprocess.TimeoutExpired: + proc.kill() + log('NBD {}: ERROR timeout expired'.format(connector)) + finally: + if connector == 'server': + os.remove(nbd_sock) + os.remove(conf_file) + + +srv = start_server_NBD('data') +clt = start_client_NBD() +# The server should close the connection after a client write request +check_proc_NBD(srv, 'server') +# Start the NBD server again +srv = start_server_NBD('reply') +# The client should reconnect and complete the write operation +check_proc_NBD(clt, 'client') +# Make it sure that server terminated +check_proc_NBD(srv, 'server') diff --git a/tests/qemu-iotests/277.out b/tests/qemu-iotests/277.out new file mode 100644 index 0000000..45404b3 --- /dev/null +++ b/tests/qemu-iotests/277.out @@ -0,0 +1,6 @@ +NBD server: started +NBD client: QEMU-IO write +NBD server: Closing connection on rule match inject-error +NBD server: started +NBD client: wrote 3145728/3145728 bytes at offset 0 +NBD server: Closing connection on rule match inject-error diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index c56bb69..6b10a6a 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -285,3 +285,4 @@ 270 rw backing quick 272 rw 273 backing quick +277 rw quick diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 6a24847..df07089 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -47,6 +47,11 @@ qemu_io_args = [os.environ.get('QEMU_IO_PROG', 'qemu-io')] if os.environ.get('QEMU_IO_OPTIONS'): qemu_io_args += os.environ['QEMU_IO_OPTIONS'].strip().split(' ') +qemu_io_args_no_fmt = [os.environ.get('QEMU_IO_PROG', 'qemu-io')] +if os.environ.get('QEMU_IO_OPTIONS_NO_FMT'): + qemu_io_args_no_fmt += \ + os.environ['QEMU_IO_OPTIONS_NO_FMT'].strip().split(' ') + qemu_nbd_args = [os.environ.get('QEMU_NBD_PROG', 'qemu-nbd')] if os.environ.get('QEMU_NBD_OPTIONS'): qemu_nbd_args += os.environ['QEMU_NBD_OPTIONS'].strip().split(' ') diff --git a/tests/qemu-iotests/nbd-fault-injector.py b/tests/qemu-iotests/nbd-fault-injector.py index 6b2d659..7e2dab6 100755 --- a/tests/qemu-iotests/nbd-fault-injector.py +++ b/tests/qemu-iotests/nbd-fault-injector.py @@ -115,7 +115,8 @@ class FaultInjectionSocket(object): if rule.match(event, io): if rule.when == 0 or bufsize is None: print('Closing connection on rule match %s' % rule.name) - self.sock.flush() + self.sock.close() + sys.stdout.flush() sys.exit(0) if rule.when != -1: return rule.when |