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b0c4cf21b0
8dff69b94
added an aio parameter to the drive parameter but forgot to add a comma before, thus breaking the test. Fix it again. Fixes:8dff69b941
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <20200206130812.612960-1-mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
293 lines
10 KiB
Python
Executable File
293 lines
10 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Test case for NBD's blockdev-add interface
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#
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# Copyright (C) 2016 Red Hat, Inc.
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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 random
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import socket
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import stat
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import time
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import iotests
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from iotests import cachemode, aiomode, imgfmt, qemu_img, qemu_nbd, qemu_nbd_early_pipe
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NBD_PORT_START = 32768
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NBD_PORT_END = NBD_PORT_START + 1024
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NBD_IPV6_PORT_START = NBD_PORT_END
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NBD_IPV6_PORT_END = NBD_IPV6_PORT_START + 1024
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test_img = os.path.join(iotests.test_dir, 'test.img')
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unix_socket = os.path.join(iotests.sock_dir, 'nbd.socket')
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def flatten_sock_addr(crumpled_address):
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result = { 'type': crumpled_address['type'] }
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result.update(crumpled_address['data'])
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return result
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class NBDBlockdevAddBase(iotests.QMPTestCase):
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def blockdev_add_options(self, address, export, node_name):
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options = { 'node-name': node_name,
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'driver': 'raw',
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'file': {
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'driver': 'nbd',
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'read-only': True,
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'server': address
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} }
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if export is not None:
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options['file']['export'] = export
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return options
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def client_test(self, filename, address, export=None,
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node_name='nbd-blockdev', delete=True):
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bao = self.blockdev_add_options(address, export, node_name)
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result = self.vm.qmp('blockdev-add', **bao)
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self.assert_qmp(result, 'return', {})
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found = False
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result = self.vm.qmp('query-named-block-nodes')
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for node in result['return']:
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if node['node-name'] == node_name:
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found = True
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if isinstance(filename, str):
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self.assert_qmp(node, 'image/filename', filename)
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else:
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self.assert_json_filename_equal(node['image']['filename'],
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filename)
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break
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self.assertTrue(found)
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if delete:
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result = self.vm.qmp('blockdev-del', node_name=node_name)
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self.assert_qmp(result, 'return', {})
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class QemuNBD(NBDBlockdevAddBase):
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def setUp(self):
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qemu_img('create', '-f', iotests.imgfmt, test_img, '64k')
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self.vm = iotests.VM()
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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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try:
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os.remove(unix_socket)
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except OSError:
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pass
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def _try_server_up(self, *args):
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status, msg = qemu_nbd_early_pipe('-f', imgfmt, test_img, *args)
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if status == 0:
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return True
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if 'Address already in use' in msg:
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return False
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self.fail(msg)
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def _server_up(self, *args):
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self.assertTrue(self._try_server_up(*args))
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def test_inet(self):
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while True:
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nbd_port = random.randrange(NBD_PORT_START, NBD_PORT_END)
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if self._try_server_up('-b', 'localhost', '-p', str(nbd_port)):
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break
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address = { 'type': 'inet',
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'data': {
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'host': 'localhost',
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'port': str(nbd_port)
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} }
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self.client_test('nbd://localhost:%i' % nbd_port,
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flatten_sock_addr(address))
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def test_unix(self):
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self._server_up('-k', unix_socket)
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address = { 'type': 'unix',
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'data': { 'path': unix_socket } }
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self.client_test('nbd+unix://?socket=' + unix_socket,
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flatten_sock_addr(address))
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class BuiltinNBD(NBDBlockdevAddBase):
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def setUp(self):
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qemu_img('create', '-f', iotests.imgfmt, test_img, '64k')
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self.vm = iotests.VM()
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self.vm.launch()
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self.server = iotests.VM('.server')
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self.server.add_drive_raw('if=none,id=nbd-export,' +
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'file=%s,' % test_img +
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'format=%s,' % imgfmt +
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'cache=%s,' % cachemode +
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'aio=%s' % aiomode)
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self.server.launch()
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def tearDown(self):
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self.vm.shutdown()
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self.server.shutdown()
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os.remove(test_img)
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try:
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os.remove(unix_socket)
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except OSError:
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pass
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# Returns False on EADDRINUSE; fails an assertion on other errors.
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# Returns True on success.
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def _try_server_up(self, address, export_name=None, export_name2=None):
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result = self.server.qmp('nbd-server-start', addr=address)
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if 'error' in result and \
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'Address already in use' in result['error']['desc']:
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return False
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self.assert_qmp(result, 'return', {})
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if export_name is None:
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result = self.server.qmp('nbd-server-add', device='nbd-export')
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else:
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result = self.server.qmp('nbd-server-add', device='nbd-export',
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name=export_name)
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self.assert_qmp(result, 'return', {})
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if export_name2 is not None:
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result = self.server.qmp('nbd-server-add', device='nbd-export',
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name=export_name2)
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self.assert_qmp(result, 'return', {})
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return True
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def _server_up(self, address, export_name=None, export_name2=None):
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self.assertTrue(self._try_server_up(address, export_name, export_name2))
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def _server_down(self):
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result = self.server.qmp('nbd-server-stop')
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self.assert_qmp(result, 'return', {})
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def do_test_inet(self, export_name=None):
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while True:
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nbd_port = random.randrange(NBD_PORT_START, NBD_PORT_END)
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address = { 'type': 'inet',
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'data': {
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'host': 'localhost',
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'port': str(nbd_port)
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} }
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if self._try_server_up(address, export_name):
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break
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export_name = export_name or 'nbd-export'
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self.client_test('nbd://localhost:%i/%s' % (nbd_port, export_name),
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flatten_sock_addr(address), export_name)
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self._server_down()
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def test_inet_default_export_name(self):
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self.do_test_inet()
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def test_inet_same_export_name(self):
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self.do_test_inet('nbd-export')
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def test_inet_different_export_name(self):
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self.do_test_inet('shadow')
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def test_inet_two_exports(self):
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while True:
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nbd_port = random.randrange(NBD_PORT_START, NBD_PORT_END)
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address = { 'type': 'inet',
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'data': {
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'host': 'localhost',
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'port': str(nbd_port)
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} }
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if self._try_server_up(address, 'exp1', 'exp2'):
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break
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self.client_test('nbd://localhost:%i/%s' % (nbd_port, 'exp1'),
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flatten_sock_addr(address), 'exp1', 'node1', False)
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self.client_test('nbd://localhost:%i/%s' % (nbd_port, 'exp2'),
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flatten_sock_addr(address), 'exp2', 'node2', False)
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result = self.vm.qmp('blockdev-del', node_name='node1')
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('blockdev-del', node_name='node2')
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self.assert_qmp(result, 'return', {})
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self._server_down()
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def test_inet6(self):
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try:
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socket.getaddrinfo("::0", "0", socket.AF_INET6,
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socket.SOCK_STREAM, socket.IPPROTO_TCP,
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socket.AI_ADDRCONFIG | socket.AI_CANONNAME)
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except socket.gaierror:
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# IPv6 not available, skip
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return
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while True:
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nbd_port = random.randrange(NBD_IPV6_PORT_START, NBD_IPV6_PORT_END)
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address = { 'type': 'inet',
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'data': {
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'host': '::1',
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'port': str(nbd_port),
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'ipv4': False,
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'ipv6': True
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} }
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if self._try_server_up(address):
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break
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filename = { 'driver': 'raw',
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'file': {
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'driver': 'nbd',
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'export': 'nbd-export',
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'server': flatten_sock_addr(address)
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} }
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self.client_test(filename, flatten_sock_addr(address), 'nbd-export')
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self._server_down()
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def test_unix(self):
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address = { 'type': 'unix',
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'data': { 'path': unix_socket } }
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self._server_up(address)
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self.client_test('nbd+unix:///nbd-export?socket=' + unix_socket,
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flatten_sock_addr(address), 'nbd-export')
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self._server_down()
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def test_fd(self):
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self._server_up({ 'type': 'unix',
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'data': { 'path': unix_socket } })
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sockfd = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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sockfd.connect(unix_socket)
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result = self.vm.send_fd_scm(fd=sockfd.fileno())
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self.assertEqual(result, 0, 'Failed to send socket FD')
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result = self.vm.qmp('getfd', fdname='nbd-fifo')
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self.assert_qmp(result, 'return', {})
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address = { 'type': 'fd',
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'data': { 'str': 'nbd-fifo' } }
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filename = { 'driver': 'raw',
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'file': {
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'driver': 'nbd',
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'export': 'nbd-export',
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'server': flatten_sock_addr(address)
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} }
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self.client_test(filename, flatten_sock_addr(address), 'nbd-export')
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self._server_down()
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if __name__ == '__main__':
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iotests.main(supported_fmts=['raw'],
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supported_protocols=['nbd'])
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