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| 1 | +# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 2 | +# |
| 3 | +# Copyright Redhat |
| 4 | +# |
| 5 | +# SPDX-License-Identifier: GPL-2.0 |
| 6 | +# Author: Nannan Li<[email protected]> |
| 7 | +# |
| 8 | +# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 9 | +import re |
| 10 | + |
| 11 | +from virttest import utils_net |
| 12 | +from virttest import virsh |
| 13 | +from virttest.libvirt_xml import vm_xml |
| 14 | +from virttest.utils_libvirt import libvirt_network |
| 15 | +from virttest.utils_libvirt import libvirt_vmxml |
| 16 | +from virttest.libvirt_xml.vm_xml import VMXML |
| 17 | +import aexpect.remote |
| 18 | + |
| 19 | +from provider.guest_os_booting import guest_os_booting_base as guest_os |
| 20 | +from provider.migration import base_steps |
| 21 | +from provider.virtual_network import network_base |
| 22 | + |
| 23 | + |
| 24 | +def run(test, params, env): |
| 25 | + """ |
| 26 | + Test migration with bridge type interface |
| 27 | + 1. Setup bridge and virtual network according to bridge type |
| 28 | + 2. Migrate to target host |
| 29 | + 3. Check on target host for network functions: |
| 30 | + - Guest ping outside |
| 31 | + - Check for multiqueue |
| 32 | + - Check multiqueues in VM live XML (should have <driver ... queues='5'>) |
| 33 | + 4. Migrate back from dst to src |
| 34 | +
|
| 35 | + :param test: test object |
| 36 | + :param params: Dictionary with the test parameters |
| 37 | + :param env: Dictionary with test environment. |
| 38 | + """ |
| 39 | + |
| 40 | + def check_multiqueue_in_guest(vm_session): |
| 41 | + """ |
| 42 | + Check multiqueue configuration inside the guest. |
| 43 | +
|
| 44 | + :params, vm_session: vm session object. |
| 45 | + """ |
| 46 | + test.log.info("Checking multiqueue configuration in guest") |
| 47 | + guest_iface_info = vm_session.cmd_output("ip --color=never l").strip() |
| 48 | + iface_matches = re.findall( |
| 49 | + r"^\d+: (\S+?)[@:].*state UP.*$", guest_iface_info, re.MULTILINE) |
| 50 | + if not iface_matches: |
| 51 | + test.fail("Failed to get network interface name in guest") |
| 52 | + iface_name = iface_matches[0] |
| 53 | + |
| 54 | + _, output = vm_session.cmd_status_output("ethtool -l %s" % iface_name) |
| 55 | + test.log.debug("ethtool cmd output:%s" % output) |
| 56 | + if not re.findall("Combined:.*?%s" % iface_queues, output): |
| 57 | + test.fail("Expected Current hardware settings Combined: %d" % iface_queues) |
| 58 | + |
| 59 | + test.log.info("Setting combined queues to 3 for %s", iface_name) |
| 60 | + utils_net.set_channel(vm_session, iface_name, "combined", new_queues) |
| 61 | + _, output = vm_session.cmd_status_output("ethtool -l %s" % iface_name) |
| 62 | + if not re.findall("Combined:.*?%s" % new_queues, output): |
| 63 | + test.fail("Failed to set combined queues: %s" % new_queues) |
| 64 | + |
| 65 | + def setup_vm_interface(): |
| 66 | + """ |
| 67 | + Setup VM interface according to configuration |
| 68 | + """ |
| 69 | + vm_xml = VMXML.new_from_inactive_dumpxml(vm_name) |
| 70 | + vm_xml.remove_all_device_by_type('interface') |
| 71 | + vm_xml.sync() |
| 72 | + if interface_timing == "hotplug": |
| 73 | + if not vm.is_alive(): |
| 74 | + vm.start() |
| 75 | + iface = libvirt_vmxml.create_vm_device_by_type('interface', iface_dict) |
| 76 | + virsh.attach_device(vm_name, iface.xml, flagstr="--config", |
| 77 | + debug=True, ignore_status=False) |
| 78 | + else: |
| 79 | + libvirt_vmxml.modify_vm_device( |
| 80 | + VMXML.new_from_inactive_dumpxml(vm_name), 'interface', |
| 81 | + iface_dict) |
| 82 | + vm.start() |
| 83 | + vm.wait_for_serial_login().close() |
| 84 | + test.log.debug("Guest xml:\n%s", VMXML.new_from_dumpxml(vm_name)) |
| 85 | + |
| 86 | + def cleanup_nvram(): |
| 87 | + """ |
| 88 | + Clean up NVRAM file to avoid UEFI boot issues |
| 89 | + """ |
| 90 | + import os |
| 91 | + nvram_file = f"/var/lib/libvirt/qemu/nvram/{vm_name}_VARS.fd" |
| 92 | + if os.path.exists(nvram_file): |
| 93 | + test.log.info(f"Removing NVRAM file: {nvram_file}") |
| 94 | + os.remove(nvram_file) |
| 95 | + |
| 96 | + def setup_test(): |
| 97 | + """ |
| 98 | + Setup test environment for migration with bridge type interface |
| 99 | + """ |
| 100 | + test.log.info("Setting up test environment") |
| 101 | + # Clean up NVRAM to avoid UEFI boot issues |
| 102 | + cleanup_nvram() |
| 103 | + |
| 104 | + if bridge_type == "linux": |
| 105 | + utils_net.create_linux_bridge_tmux(bridge_name, iface_name=host_iface) |
| 106 | + |
| 107 | + remote_host_iface = utils_net.get_default_gateway( |
| 108 | + iface_name=True, session=remote_session, force_dhcp=True, json=True) |
| 109 | + params.update({"remote_host_iface": remote_host_iface}) |
| 110 | + utils_net.create_linux_bridge_tmux( |
| 111 | + bridge_name, iface_name=remote_host_iface, session=remote_session) |
| 112 | + |
| 113 | + elif bridge_type == "ovs": |
| 114 | + utils_net.create_ovs_bridge(ovs_bridge_name, ip_options='-color=never') |
| 115 | + |
| 116 | + utils_net.create_ovs_bridge(ovs_bridge_name, session=remote_session, |
| 117 | + ip_options='-color=never') |
| 118 | + libvirt_network.create_or_del_network(network_dict, remote_args=remote_virsh_dargs) |
| 119 | + libvirt_network.create_or_del_network(network_dict) |
| 120 | + |
| 121 | + if vm.is_alive(): |
| 122 | + vm.destroy() |
| 123 | + |
| 124 | + setup_vm_interface() |
| 125 | + |
| 126 | + def run_test(): |
| 127 | + """ |
| 128 | + Run the main test: migration and verification |
| 129 | + """ |
| 130 | + test.log.info("TEST_STEP: Migrating VM to target host") |
| 131 | + migration_obj.setup_connection() |
| 132 | + if not vm.is_alive(): |
| 133 | + vm.start() |
| 134 | + migration_obj.run_migration() |
| 135 | + |
| 136 | + if not cancel_migration: |
| 137 | + test.log.info("TEST_STEP: Checking VM network connectivity on target host") |
| 138 | + backup_uri, vm.connect_uri = vm.connect_uri, dest_uri |
| 139 | + if vm.serial_console is not None: |
| 140 | + vm.cleanup_serial_console() |
| 141 | + vm.create_serial_console() |
| 142 | + vm_session_after_mig = vm.wait_for_serial_login(timeout=240) |
| 143 | + vm_session_after_mig.cmd("dhclient -r; dhclient", timeout=120) |
| 144 | + |
| 145 | + test.log.info("TEST_STEP: Testing guest ping to outside") |
| 146 | + ips = {'outside_ip': outside_ip} |
| 147 | + network_base.ping_check(params, ips, vm_session_after_mig) |
| 148 | + |
| 149 | + test.log.info("TEST_STEP: Checking multiqueue") |
| 150 | + check_multiqueue_in_guest(vm_session_after_mig) |
| 151 | + virsh_obj = virsh.VirshPersistent(uri=dest_uri) |
| 152 | + libvirt_vmxml.check_guest_xml_by_xpaths( |
| 153 | + VMXML.new_from_dumpxml(vm_name, virsh_instance=virsh_obj), |
| 154 | + expected_xpath) |
| 155 | + |
| 156 | + if migrate_vm_back: |
| 157 | + test.log.info("TEST_STEP: Migrating VM back to source host") |
| 158 | + migration_obj.run_migration_back() |
| 159 | + |
| 160 | + def teardown_test(): |
| 161 | + """ |
| 162 | + Cleanup test environment |
| 163 | + """ |
| 164 | + test.log.info("Cleaning up test environment") |
| 165 | + backup_xml.sync() |
| 166 | + if bridge_type == "linux": |
| 167 | + utils_net.delete_linux_bridge_tmux(bridge_name, iface_name=host_iface) |
| 168 | + utils_net.delete_linux_bridge_tmux( |
| 169 | + bridge_name, iface_name=params.get("remote_host_iface"), |
| 170 | + session=remote_session) |
| 171 | + |
| 172 | + elif bridge_type == "ovs": |
| 173 | + utils_net.delete_ovs_bridge(ovs_bridge_name, ip_options='-color=never') |
| 174 | + utils_net.delete_ovs_bridge(ovs_bridge_name, session=remote_session, ip_options='-color=never') |
| 175 | + |
| 176 | + libvirt_network.create_or_del_network(network_dict, is_del=True, remote_args=remote_virsh_dargs) |
| 177 | + libvirt_network.create_or_del_network(network_dict, is_del=True) |
| 178 | + migration_obj.cleanup_connection() |
| 179 | + |
| 180 | + # Params to update disk using shared storage |
| 181 | + params["disk_type"] = params.get("disk_type", "file") |
| 182 | + params["disk_source_protocol"] = params.get("disk_source_protocol", "netfs") |
| 183 | + params["mnt_path_name"] = params.get("nfs_mount_dir") |
| 184 | + |
| 185 | + server_ip = params["server_ip"] = params.get("migrate_dest_host") |
| 186 | + server_user = params.get("server_user") |
| 187 | + server_pwd = params.get("server_pwd") or params.get("migrate_dest_pwd") |
| 188 | + outside_ip = params.get("outside_ip") |
| 189 | + bridge_name = params.get("bridge_name") |
| 190 | + bridge_type = params.get("bridge_type") |
| 191 | + ovs_bridge_name = params.get("ovs_bridge_name") |
| 192 | + network_dict = eval(params.get("network_dict", "{}")) |
| 193 | + interface_timing = params.get("interface_timing") |
| 194 | + iface_queues = int(params.get("iface_queues", "5")) |
| 195 | + new_queues = int(params.get("new_queues", "3")) |
| 196 | + migrate_vm_back = params.get_boolean("migrate_vm_back") |
| 197 | + cancel_migration = params.get_boolean("cancel_migration") |
| 198 | + |
| 199 | + remote_virsh_dargs = {'remote_ip': server_ip, 'remote_user': server_user, |
| 200 | + 'remote_pwd': server_pwd, 'unprivileged_user': params.get("unprivileged_user"), |
| 201 | + 'ssh_remote_auth': params.get("ssh_remote_auth")} |
| 202 | + |
| 203 | + src_uri = params.get("virsh_migrate_connect_uri") |
| 204 | + dest_uri = params.get("virsh_migrate_desturi") |
| 205 | + expected_xpath = eval(params.get("expected_xpath")) |
| 206 | + iface_dict = eval(params.get("iface_dict", "{}")) |
| 207 | + host_iface = params.get('host_iface') |
| 208 | + host_iface = host_iface if host_iface else utils_net.get_default_gateway( |
| 209 | + iface_name=True, force_dhcp=True, json=True) |
| 210 | + |
| 211 | + vm_name = guest_os.get_vm(params) |
| 212 | + vm = env.get_vm(vm_name) |
| 213 | + new_xml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name) |
| 214 | + backup_xml = new_xml.copy() |
| 215 | + |
| 216 | + remote_session = aexpect.remote.remote_login("ssh", server_ip, "22", |
| 217 | + server_user, server_pwd, |
| 218 | + r'[$#%]') |
| 219 | + migration_obj = base_steps.MigrationBase(test, vm, params) |
| 220 | + |
| 221 | + try: |
| 222 | + setup_test() |
| 223 | + run_test() |
| 224 | + finally: |
| 225 | + teardown_test() |
| 226 | + if remote_session: |
| 227 | + remote_session.close() |
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