From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 78F65A3160 for ; Thu, 10 Oct 2019 09:44:12 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 68C041E8B7; Thu, 10 Oct 2019 09:44:12 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 069C91BF6C for ; Thu, 10 Oct 2019 09:44:09 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Oct 2019 00:44:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,279,1566889200"; d="scan'208";a="395291488" Received: from dpdk-lihong-ub1604.sh.intel.com ([10.67.118.203]) by fmsmga006.fm.intel.com with ESMTP; 10 Oct 2019 00:44:08 -0700 From: lihong To: dts@dpdk.org Cc: yinan.wang@intel.com, lihong Date: Thu, 10 Oct 2019 08:19:06 +0800 Message-Id: <1570666746-12853-3-git-send-email-lihongx.ma@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1570666746-12853-1-git-send-email-lihongx.ma@intel.com> References: <1570666746-12853-1-git-send-email-lihongx.ma@intel.com> Subject: [dts] [PATCH V1 3/3][migration] tests/vhost_user_live_migration: update code X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dts-bounces@dpdk.org Sender: "dts" Signed-off-by: lihong --- tests/TestSuite_vhost_user_live_migration.py | 532 +++++++++++++++++---------- 1 file changed, 332 insertions(+), 200 deletions(-) diff --git a/tests/TestSuite_vhost_user_live_migration.py b/tests/TestSuite_vhost_user_live_migration.py index 9bd3237..fa21b93 100644 --- a/tests/TestSuite_vhost_user_live_migration.py +++ b/tests/TestSuite_vhost_user_live_migration.py @@ -1,10 +1,40 @@ -# +# BSD LICENSE +# +# Copyright(c) <2019> Intel Corporation. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Intel Corporation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. import re import time - -from qemu_kvm import QEMUKvm +import utils +from virt_common import VM from test_case import TestCase +from config import UserConf from exception import VirtDutInitException @@ -13,109 +43,174 @@ class TestVhostUserLiveMigration(TestCase): def set_up_all(self): # verify at least two duts self.verify(len(self.duts) >= 2, "Insufficient duts for live migration!!!") + self.host_dut = self.duts[0] + self.backup_dut = self.duts[1] # each dut required one ports - self.dut_ports = self.dut.get_ports() - # Verify that enough ports are available - self.verify(len(self.dut_ports) >= 1, "Insufficient ports for testing") - self.dut_port = self.dut_ports[0] - dut_ip = self.dut.crb['My IP'] - self.host_tport = self.tester.get_local_port_bydut(self.dut_port, dut_ip) - self.host_tintf = self.tester.get_interface(self.host_tport) - - self.backup_ports = self.duts[1].get_ports() - # Verify that enough ports are available - self.verify(len(self.backup_ports) >= 1, "Insufficient ports for testing") - self.backup_port = self.backup_ports[0] - # backup host ip will be used in migrate command - self.backup_dutip = self.duts[1].crb['My IP'] - self.backup_tport = self.tester.get_local_port_bydut(self.backup_port, self.backup_dutip) - self.backup_tintf = self.tester.get_interface(self.backup_tport) - - # Use testpmd as vhost-user application on host/backup server - self.vhost = "./%s/app/testpmd" % self.target - self.vm_testpmd = "./%s/app/testpmd -c 0x3 -n 4 -- -i" % self.target - self.virio_mac = "52:54:00:00:00:01" + host_dut_ports = self.host_dut.get_ports() + backup_dut_ports = self.backup_dut.get_ports() + self.verify(len(host_dut_ports) >= 1 and len(backup_dut_ports) >= 1, + "Insufficient ports for testing") + + # get mount info from cfg file + conf_info = UserConf('conf/%s.cfg' % self.suite_name) + conf_session = conf_info.conf._sections['mount_info'] + self.mount_path = conf_session['backup_mount_path'] + self.share_path = conf_session['host_share_dir'] + # config the mount server and client + self.config_mount_server() + self.config_mount_client() + + host_dut_port = host_dut_ports[0] + host_dut_ip = self.host_dut.crb['My IP'] + backup_dut_port = backup_dut_ports[0] + self.backup_dut_ip = self.backup_dut.crb['My IP'] + + host_tport = self.tester.get_local_port_bydut(host_dut_port, host_dut_ip) + backup_tport = self.tester.get_local_port_bydut(backup_dut_port, self.backup_dut_ip) + self.host_tintf = self.tester.get_interface(host_tport) + self.backup_tintf = self.tester.get_interface(backup_tport) + + self.host_mem_channels = self.host_dut.get_memory_channels() + self.backup_mem_channels = self.backup_dut.get_memory_channels() + self.host_pci_info = self.host_dut.ports_info[0]['pci'] + self.backup_pci_info = self.backup_dut.ports_info[0]['pci'] - # flag for environment - self.env_done = False + self.virio_mac = "52:54:00:00:00:01" + self.queue_number = 1 + self.vm_dut_host = None + self.backup_vm = None + self.screen_name = 'migration' + self.base_dir = self.dut.base_dir.replace('~', '/root') + host_socket_num = len(set([int(core['socket']) for core in self.host_dut.cores])) + backup_socket_num = len(set([int(core['socket']) for core in self.backup_dut.cores])) + self.host_socket_mem = ','.join(['1024']*host_socket_num) + self.backup_socket_mem = ','.join(['1024']*backup_socket_num) def set_up(self): - self.setup_vm_env() - pass - - def bind_nic_driver(self, crb, ports, driver=""): - # modprobe vfio driver - if driver == "vfio-pci": - for port in ports: - netdev = crb.ports_info[port]['port'] - driver = netdev.get_nic_driver() - if driver != 'vfio-pci': - netdev.bind_driver(driver='vfio-pci') - - elif driver == "igb_uio": - # igb_uio should insmod as default, no need to check - for port in ports: - netdev = crb.ports_info[port]['port'] - driver = netdev.get_nic_driver() - if driver != 'igb_uio': - netdev.bind_driver(driver='igb_uio') - else: - for port in ports: - netdev = crb.ports_info[port]['port'] - driver_now = netdev.get_nic_driver() - if driver == "": - driver = netdev.default_driver - if driver != driver_now: - netdev.bind_driver(driver=driver) - - def setup_vm_env(self, driver='default'): + self.host_dut.send_expect('rm ./vhost-net*', '# ', 30) + self.backup_dut.send_expect('rm ./vhost-net*', '# ', 30) + self.migration_done = False + + def config_mount_server(self): + ''' + get the mount server config from file /etc/exports + if not config the mount info of host_dut and backup_dut, config it + ''' + config = '%s %s(rw,sync,no_root_squash)' % ( + self.share_path, self.backup_dut.crb['IP']) + try: + fd = open('/etc/exports', 'r+') + except Exception as e: + self.logger.error('read file /etc/exports failed as %s' % str(e)) + raise e + line = fd.readline() + while(line): + # already config in etc file + if not line.startswith('#') and config in line: + break + line = fd.readline() + # not config in etc file, wirte the config to it + if not line: + fd.write(config) + fd.close() + + def config_mount_client(self): + ''' + config the mount client to access the mount server + ''' + out = self.backup_dut.send_expect('ls -d %s' % self.mount_path, '# ') + if 'No such file or directory' in out: + self.backup_dut.send_expect('mkdir -p %s' % self.mount_path, '# ') + config = 'mount -t nfs -o nolock,vers=4 %s:%s %s' % ( + self.host_dut.crb['IP'], self.share_path, self.mount_path) + self.host_dut.send_expect('service nfs-server restart', '# ') + self.backup_dut.send_expect('service nfs-server restart', '# ') + self.backup_dut.send_expect('umount %s' % self.mount_path, '# ') + self.backup_dut.send_expect(config, '# ') + time.sleep(2) + # verify the mount result + out_host = self.host_dut.send_expect('ls %s' % self.share_path, '#') + out_backup = self.backup_dut.send_expect('ls %s' % self.mount_path, '#') + self.verify(out_host == out_backup, 'the mount action failed, please confrim it') + + def get_core_list(self): + core_number = self.queue_number + 1 + core_config = '1S/%dC/1T' % core_number + core_list0 = self.duts[0].get_core_list(core_config) + core_list1 = self.duts[1].get_core_list(core_config) + self.verify(len(core_list0) >= core_number and len(core_list1) >= core_number, + 'There have not enough cores to start testpmd on duts') + self.host_core_mask_user = utils.create_mask(core_list0) + self.backup_core_mask_user = utils.create_mask(core_list1) + + def launch_testpmd_as_vhost_on_both_dut(self, zero_copy=False): + """ + start testpmd as vhost user on host_dut and backup_dut + """ + self.get_core_list() + zero_copy_str = '' + if zero_copy is True: + zero_copy_str = ',dequeue-zero-copy=1' + vdev_info = 'eth_vhost0,iface=%s/vhost-net,queues=%d%s' % ( + self.base_dir, self.queue_number, zero_copy_str) + + params_info = '--nb-cores=%d --rxq=%d --txq=%d' % ( + self.queue_number, self.queue_number, self.queue_number) + + cmd_line = self.dut.target + '/app/testpmd -c %s -n %d -w %s ' + \ + "--socket-mem %s --legacy-mem --file-prefix=vhost --vdev '%s' " + \ + "-- -i %s" + host_cmd_line = cmd_line % (self.host_core_mask_user, self.host_mem_channels, + self.host_pci_info, self.host_socket_mem, + vdev_info, params_info) + backup_cmd_line = cmd_line % (self.backup_core_mask_user, self.backup_mem_channels, + self.backup_pci_info, self.backup_socket_mem, + vdev_info, params_info) + + self.host_dut.send_expect(host_cmd_line, 'testpmd> ', 30) + self.backup_dut.send_expect(backup_cmd_line, 'testpmd> ', 30) + + def start_testpmd_with_fwd_mode_on_both_dut(self, fwd_mode='io'): + self.host_dut.send_expect('set fwd %s' % fwd_mode, 'testpmd> ', 30) + self.host_dut.send_expect('start', 'testpmd> ', 30) + self.backup_dut.send_expect('set fwd %s' % fwd_mode, 'testpmd> ', 30) + self.backup_dut.send_expect('start', 'testpmd> ', 30) + + def setup_vm_env_on_both_dut(self, driver='default'): """ Create testing environment on Host and Backup """ - if self.env_done: - return - - # start vhost application on host and backup machines - self.logger.info("Start vhost on host and backup host") - for crb in self.duts[:2]: - self.bind_nic_driver(crb, [crb.get_ports()[0]], driver="igb_uio") - # start vhost app: testpmd, predict hugepage on both sockets - base_dir = crb.base_dir.replace('~', '/root') - crb.send_expect("rm -f %s/vhost-net" % base_dir, "# ") - crb.send_expect("%s -c f -n 4 --socket-mem 512,512 --vdev 'eth_vhost0,iface=./vhost-net,queues=1' -- -i" % self.vhost, "testpmd> ",60) - crb.send_expect("start", "testpmd> ") - try: # set up host virtual machine - self.host_vm = QEMUKvm(self.duts[0], 'host', 'vhost_user_live_migration') + self.host_vm = VM(self.duts[0], 'host', '%s' % self.suite_name) vhost_params = {} vhost_params['driver'] = 'vhost-user' - # qemu command can't use ~ - base_dir = self.dut.base_dir.replace('~', '/root') - vhost_params['opt_path'] = base_dir + '/vhost-net' + vhost_params['opt_path'] = self.base_dir + '/vhost-net' vhost_params['opt_mac'] = self.virio_mac + opt_params = 'mrg_rxbuf=on' + if self.queue_number > 1: + vhost_params['opt_queue'] = self.queue_number + opt_params = 'mrg_rxbuf=on,mq=on,vectors=%d' % (2*self.queue_number + 2) + vhost_params['opt_settings'] = opt_params self.host_vm.set_vm_device(**vhost_params) self.logger.info("Start virtual machine on host") - self.vm_host = self.host_vm.start() + self.vm_dut_host = self.host_vm.start() - if self.vm_host is None: + if self.vm_dut_host is None: raise Exception("Set up host VM ENV failed!") - self.host_serial = self.host_vm.connect_serial_port(name='vhost_user_live_migration') - if self.host_serial is None: - raise Exception("Connect host serial port failed!") - self.logger.info("Start virtual machine on backup host") # set up backup virtual machine - self.backup_vm = QEMUKvm(self.duts[1], 'backup', 'vhost_user_live_migration') + self.backup_vm = VM(self.duts[1], 'backup', 'vhost_user_live_migration') vhost_params = {} vhost_params['driver'] = 'vhost-user' - # qemu command can't use ~ - base_dir = self.dut.base_dir.replace('~', '/root') - vhost_params['opt_path'] = base_dir + '/vhost-net' + vhost_params['opt_path'] = self.base_dir + '/vhost-net' vhost_params['opt_mac'] = self.virio_mac + if self.queue_number > 1: + vhost_params['opt_queue'] = self.queue_number + vhost_params['opt_settings'] = opt_params self.backup_vm.set_vm_device(**vhost_params) # start qemu command @@ -132,90 +227,118 @@ class TestVhostUserLiveMigration(TestCase): self.destroy_vm_env() raise Exception(ex) - self.env_done = True - def destroy_vm_env(self): - # if environment has been destroyed, just skip - if self.env_done is False: - return - - if getattr(self, 'host_serial', None): - if self.host_vm is not None: - self.host_vm.close_serial_port() - - if getattr(self, 'backup_serial', None): - if self.backup_serial is not None and self.backup_vm is not None: - self.backup_vm.close_serial_port() - - - if getattr(self, 'vm_host', None): - if self.vm_host is not None: + self.logger.info("Stop virtual machine on host") + try: + if self.vm_dut_host is not None: + if not self.migration_done: + self.vm_dut_host.send_expect('pkill screen', '# ') self.host_vm.stop() self.host_vm = None + except Exception as e: + self.logger.error('stop the qemu host failed as %s' % str(e)) self.logger.info("Stop virtual machine on backup host") - if getattr(self, 'vm_backup', None): - if self.vm_backup is not None: - self.vm_backup.kill_all() - # backup vm dut has been initialized, destroy backup vm - self.backup_vm.stop() - self.backup_vm = None - - if getattr(self, 'backup_vm', None): - # only qemu start, no session created + try: if self.backup_vm is not None: + if self.migration_done: + self.vm_dut_backup.kill_all() + self.vm_dut_backup.send_expect('pkill screen', '# ') self.backup_vm.stop() self.backup_vm = None + except Exception as e: + self.logger.error('stop the qemu backup failed as %s' % str(e)) # after vm stopped, stop vhost testpmd - for crb in self.duts[:2]: + for crb in self.duts: + crb.send_expect('quit', '# ') crb.kill_all() - for crb in self.duts[:2]: - self.bind_nic_driver(crb, [crb.get_ports()[0]], driver="igb_uio") - - self.env_done = False - - def send_pkts(self, intf, number=0): + def bind_nic_driver_of_vm(self, crb, driver=""): + # modprobe vfio driver + ports = crb.get_ports() + if driver == "vfio-pci": + crb.send_expect('modprobe vfio-pci', '# ') + for port in ports: + netdev = crb.ports_info[port]['port'] + driver_now = netdev.get_nic_driver() + if driver_now != driver: + netdev.bind_driver(driver) + + def send_pkts_in_bg(self): """ send packet from tester """ - sendp_fmt = "sendp([Ether(dst='%(DMAC)s')/IP()/UDP()/Raw('x'*18)], iface='%(INTF)s', count=%(COUNT)d)" - sendp_cmd = sendp_fmt % {'DMAC': self.virio_mac, 'INTF': intf, 'COUNT': number} - self.tester.scapy_append(sendp_cmd) - self.tester.scapy_execute() - # sleep 10 seconds for heavy load with backup host - time.sleep(10) - - def verify_dpdk(self, tester_port, serial_session): - num_pkts = 10 + sendp_fmt = "sendp([Ether(dst='%s')/IP(src='%s', dst='%s')/UDP(sport=11,dport=12)/('x'*18)], iface='%s', loop=1, inter=0.5)" + sendp_cmd = sendp_fmt % (self.virio_mac, '1.1.1.1', '2.2.2.2', self.host_tintf) + self.send_pks_session = self.tester.create_session("scapy1") + self.send_pks_session.send_expect("scapy", ">>>") + self.send_pks_session.send_command(sendp_cmd) + + if self.host_tintf != self.backup_tintf: + sendp_cmd = sendp_fmt % {'DMAC': self.virio_mac, 'INTF': self.backup_tintf} + self.send_pks_session2 = self.tester.create_session("scapy2") + self.send_pks_session2.send_expect("scapy", ">>>") + self.send_pks_session2.send_command(sendp_cmd) + + def stop_send_pkts_on_tester(self): + self.tester.send_expect('pkill scapy', '# ') + if getattr(self, "scapy1", None): + self.tester.destroy_session(self.send_pks_session) + if getattr(self, "scapy2", None): + self.tester.destroy_session(self.send_pks_session2) + + def start_testpmd_on_vm(self, vm_dut): + vm_dut.send_expect('export TERM=screen', '# ') + vm_dut.send_expect('screen -S %s' % self.screen_name, '# ', 120) + + vm_testpmd = self.target + '/app/testpmd -c 0x3 -n 4 -- -i' + vm_dut.send_expect('cd %s' % self.base_dir, "# ") + vm_dut.send_expect(vm_testpmd, 'testpmd> ', 120) + vm_dut.send_expect('set fwd rxonly', 'testpmd> ', 30) + vm_dut.send_expect('set promisc all off', 'testpmd> ', 30) + vm_dut.send_expect('start', 'testpmd> ', 30) + vm_dut.send_command('^a') + vm_dut.send_command('^d') + + def verify_dpdk(self, vm_dut): + vm_dut.send_expect('export TERM=screen', '# ') + vm_dut.send_command('screen -r %s' % self.screen_name) stats_pat = re.compile("RX-packets: (\d+)") - intf = self.tester.get_interface(tester_port) - serial_session.send_expect("stop", "testpmd> ") - serial_session.send_expect("set fwd rxonly", "testpmd> ") - serial_session.send_expect("clear port stats all", "testpmd> ") - serial_session.send_expect("start tx_first", "testpmd> ") - - # send packets from tester - self.send_pkts(intf, number=num_pkts) - - out = serial_session.send_expect("show port stats 0", "testpmd> ") + vm_dut.send_expect("clear port stats all", "testpmd> ") + time.sleep(5) + out = vm_dut.send_expect("show port stats 0", "testpmd> ") + print out m = stats_pat.search(out) if m: num_received = int(m.group(1)) else: num_received = 0 - self.logger.info("Verified %s packets recevied" % num_received) - self.verify(num_received >= num_pkts, "Not receive packets as expected!!!") + self.verify(num_received > 0, "Not receive packets as expected!!!") + vm_dut.send_command('^a') + vm_dut.send_command('^d') - def verify_kernel(self, tester_port, vm_dut): + def verify_kernel(self, vm_dut): """ Function to verify packets received by virtIO """ - intf = self.tester.get_interface(tester_port) - num_pkts = 10 + vm_dut.send_expect('export TERM=screen', '# ') + vm_dut.send_command('screen -r %s' % self.screen_name) + # clean the output info before verify + vm_dut.get_session_output(timeout=1) + time.sleep(5) + out = vm_dut.get_session_output(timeout=1) + print out + num = out.count('UDP') + self.verify(num > 0, "Not receive packets as expected!!!") + vm_dut.send_command('^a') + vm_dut.send_command('^d') + + def start_tcpdump_on_vm(self, vm_dut): + vm_dut.send_expect('export TERM=screen', '# ') + vm_dut.send_expect('screen -S %s' % self.screen_name, '# ', 120) # get host interface vm_intf = vm_dut.ports_info[0]['port'].get_interface_name() @@ -232,99 +355,108 @@ class TestVhostUserLiveMigration(TestCase): direct_param = "" vm_dut.send_expect("tcpdump -i %s %s -v" % (vm_intf, direct_param), "listening on", 120) - # wait for promisc on - time.sleep(3) + time.sleep(2) + vm_dut.send_command('^a') + vm_dut.send_command('^d') + + def send_and_verify(self, verify_fun, multi_queue=False): + ''' + start to send packets + verify vm_host can recevied packets before migration + verify vm_host can recevied packets during migration + verify vm_backup can recevied packets after migration + ''' # send packets from tester - self.send_pkts(intf, number=num_pkts) + self.send_pkts_in_bg() - # killall tcpdump and verify packet received - out = vm_dut.get_session_output(timeout=1) - vm_dut.send_expect("^C", "# ") - num = out.count('UDP') - self.logger.info("Verified %s packets recevied" % num_pkts) - self.verify(num == num_pkts, "Not receive packets as expected!!!") - - def test_migrate_with_kernel(self): - """ - Verify migrate virtIO device from host to backup host, - Verify before/in/after migration, device with kernel driver can receive packets - """ - # bind virtio-net back to virtio-pci - self.bind_nic_driver(self.vm_host, [self.vm_host.get_ports()[0]], driver="") # verify host virtio-net work fine - self.verify_kernel(self.host_tport, self.vm_host) + verify_fun(self.vm_dut_host) self.logger.info("Migrate host VM to backup host") # start live migration - ret = self.host_vm.start_migration(self.backup_dutip, self.backup_vm.migrate_port) + ret = self.host_vm.start_migration(self.backup_dut_ip, self.backup_vm.migrate_port) self.verify(ret, "Failed to migration, please check VM and qemu version") - # make sure still can receive packets in migration process - self.verify_kernel(self.host_tport, self.vm_host) + if multi_queue is True: + vm_intf = self.vm_dut_host.ports_info[0]['port'].get_interface_name() + out = self.vm_dut_host.send_expect('ethtool -L %s combined 4' % vm_intf, '# ') + self.verify('Error' not in out and 'Failed' not in out, 'ethtool set combined failed during migration') self.logger.info("Waiting migration process done") # wait live migration done self.host_vm.wait_migration_done() - - # check vhost testpmd log after migration - out = self.duts[0].get_session_output(timeout=1) - self.verify("closed" in out, "Vhost Connection NOT closed on host") - out = self.duts[1].get_session_output(timeout=1) - self.verify("established" in out, "Device not ready on backup host") + self.migration_done = True self.logger.info("Migration process done, then go to backup VM") # connected backup VM - self.vm_backup = self.backup_vm.migrated_start() + self.vm_dut_backup = self.backup_vm.migrated_start(set_target=False) # make sure still can receive packets - self.verify_kernel(self.backup_tport, self.vm_backup) + verify_fun(self.vm_dut_backup) - def test_migrate_with_dpdk(self): - # bind virtio-net to igb_uio - self.bind_nic_driver(self.vm_host, [self.vm_host.get_ports()[0]], driver="igb_uio") + def test_migrate_with_virtio_net(self): + """ + Verify migrate virtIO device from host to backup host, + Verify before/in/after migration, device with kernel driver can receive packets + """ + self.queue_number = 1 + self.launch_testpmd_as_vhost_on_both_dut() + self.start_testpmd_with_fwd_mode_on_both_dut() + self.setup_vm_env_on_both_dut() - # start testpmd on host vm - base_dir = self.vm_host.base_dir.replace('~', '/root') - self.host_serial.send_expect('cd %s' % base_dir, "# ") - self.host_serial.send_expect(self.vm_testpmd, "testpmd> ", 120) + # bind virtio-net back to virtio-pci + self.bind_nic_driver_of_vm(self.vm_dut_host, driver="") + # start screen and tcpdump on vm + self.start_tcpdump_on_vm(self.vm_dut_host) - # verify testpmd receive packets - self.verify_dpdk(self.host_tport, self.host_serial) + self.send_and_verify(self.verify_kernel) - self.logger.info("Migrate host VM to backup host") - # start live migration + def test_migrete_with_vritio_net_with_multi_queue(self): + self.queue_number = 4 + self.launch_testpmd_as_vhost_on_both_dut() + self.start_testpmd_with_fwd_mode_on_both_dut() + self.setup_vm_env_on_both_dut() - ret = self.host_vm.start_migration(self.backup_dutip, self.backup_vm.migrate_port) - self.verify(ret, "Failed to migration, please check VM and qemu version") + # bind virtio-net back to virtio-pci + self.bind_nic_driver_of_vm(self.vm_dut_host, driver="") + self.start_tcpdump_on_vm(self.vm_dut_host) - # make sure still can receive packets in migration process - self.verify_dpdk(self.host_tport, self.host_serial) + self.send_and_verify(self.verify_kernel, True) - self.logger.info("Waiting migration process done") - # wait live migration done - self.host_vm.wait_migration_done() + def test_migrate_with_virtio_pmd(self): + self.queue_number = 1 + self.launch_testpmd_as_vhost_on_both_dut() + self.start_testpmd_with_fwd_mode_on_both_dut() + self.setup_vm_env_on_both_dut() - # check vhost testpmd log after migration - out = self.duts[0].get_session_output(timeout=1) - self.verify("closed" in out, "Vhost Connection NOT closed on host") - out = self.duts[1].get_session_output(timeout=1) - self.verify("established" in out, "Device not ready on backup host") + # bind virtio-net to igb_uio + self.bind_nic_driver_of_vm(self.vm_dut_host, driver="igb_uio") + self.start_testpmd_on_vm(self.vm_dut_host) - self.logger.info("Migration process done, then go to backup VM") - time.sleep(5) + self.send_and_verify(self.verify_dpdk) - # make sure still can receive packets - self.backup_serial = self.backup_vm.connect_serial_port(name='vhost_user_live_migration', first=False) - if self.backup_serial is None: - raise Exception("Connect backup host serial port failed!") + def test_migrate_with_zero_copy_virtio_pmd(self): + self.queue_number = 1 + zero_copy = True + # start testpmd and qemu on dut + # after qemu start ok, then send 'start' command to testpmd + # if send 'start' command before start qemu, maybe qemu will start failed + self.launch_testpmd_as_vhost_on_both_dut(zero_copy) + self.setup_vm_env_on_both_dut() + self.start_testpmd_with_fwd_mode_on_both_dut() - self.verify_dpdk(self.backup_tport, self.backup_serial) + # bind virtio-net to igb_uio + self.bind_nic_driver_of_vm(self.vm_dut_host, driver="igb_uio") + self.start_testpmd_on_vm(self.vm_dut_host) - # quit testpmd - self.backup_serial.send_expect("quit", "# ") + self.send_and_verify(self.verify_dpdk) def tear_down(self): self.destroy_vm_env() + # stop send packet on tester + self.stop_send_pkts_on_tester() + self.duts[0].send_expect('killall -s INT qemu-system-x86_64', '#') + self.duts[1].send_expect('killall -s INT qemu-system-x86_64', '#') pass def tear_down_all(self): -- 2.7.4