|
| 1 | +import os |
| 2 | +import re |
| 3 | +import shutil |
| 4 | +import time |
| 5 | + |
| 6 | +from aexpect import ShellCmdError |
| 7 | +from avocado.utils import process |
| 8 | + |
| 9 | +from virttest import data_dir |
| 10 | +from virttest import utils_net |
| 11 | +from virttest import utils_misc |
| 12 | +from virttest import error_context |
| 13 | + |
| 14 | + |
| 15 | +@error_context.context_aware |
| 16 | +def run(test, params, env): |
| 17 | + """ |
| 18 | + passt stability tests |
| 19 | +
|
| 20 | + 1) Boot up VM with passt backend |
| 21 | + 2) Prepare the iperf environment |
| 22 | + 3) Select host to start iperf server, guest as client |
| 23 | + 4) Execute iperf tests, analyze the result |
| 24 | + 5) Finish test and cleanup host environment |
| 25 | +
|
| 26 | + :param test: QEMU test object. |
| 27 | + :param params: Dictionary with the test parameters. |
| 28 | + :param env: Dictionary with test environment. |
| 29 | + """ |
| 30 | + def transfer_iperf_package(): |
| 31 | + receive_cmd = params.get("receive_cmd") |
| 32 | + serial_session.sendline(receive_cmd) |
| 33 | + time.sleep(5) |
| 34 | + sent_cmd = params.get("sent_cmd") |
| 35 | + process.run(sent_cmd % host_iperf_src_path) |
| 36 | + |
| 37 | + def iperf_compile(src_path, dst_path, serial_session=None): |
| 38 | + """Compile iperf and return its binary file path.""" |
| 39 | + iperf_version = params["iperf_version"] |
| 40 | + iperf_source_path = os.path.join(dst_path, iperf_version) |
| 41 | + compile_cmd = params["linux_compile_cmd"] % (src_path, dst_path, |
| 42 | + iperf_source_path) |
| 43 | + try: |
| 44 | + if serial_session: |
| 45 | + test.log.info("Compiling %s in guest...", iperf_version) |
| 46 | + serial_session.sendline(compile_cmd) |
| 47 | + else: |
| 48 | + test.log.info("Compiling %s in host...", iperf_version) |
| 49 | + process.run(compile_cmd, shell=True, verbose=False) |
| 50 | + except (process.CmdError, ShellCmdError) as err_msg: |
| 51 | + test.log.error(err_msg) |
| 52 | + test.error("Failed to compile iperf") |
| 53 | + else: |
| 54 | + iperf_bin_name = re.sub(r'[-2]', '', iperf_version.split('.')[0]) |
| 55 | + return os.path.join(iperf_source_path, 'src', iperf_bin_name) |
| 56 | + |
| 57 | + def iperf_server_start(): |
| 58 | + """Start iperf server""" |
| 59 | + info_text = "Start iperf server session in %s with cmd: %s" |
| 60 | + iperf_server_cmd = iperf_server_options % host_iperf_bin |
| 61 | + try: |
| 62 | + test.log.info(info_text, "host", iperf_server_cmd) |
| 63 | + server_output = process.system_output(iperf_server_cmd, timeout=300, verbose=False).decode() |
| 64 | + except Exception as err_msg: |
| 65 | + test.log.error(str(err_msg)) |
| 66 | + test.error("Failed to start iperf session") |
| 67 | + else: |
| 68 | + test.log.debug("Full connection server log:\n%s", server_output) |
| 69 | + catch_data = params["catch_data"] |
| 70 | + parallel_cur = len(re.findall(catch_data, server_output)) |
| 71 | + parallel_exp = int(params.get("parallel_num", 0)) |
| 72 | + if not parallel_cur: |
| 73 | + test.fail("iperf client not connected to server") |
| 74 | + elif parallel_exp and parallel_cur != parallel_exp: |
| 75 | + test.fail("Number of parallel threads running(%d) is " |
| 76 | + "inconsistent with expectations(%d)" |
| 77 | + % (parallel_cur, parallel_exp)) |
| 78 | + test.log.info("iperf client successfully connected to server") |
| 79 | + |
| 80 | + def iperf_client_start(): |
| 81 | + """"Start iperf client""" |
| 82 | + info_text = "Start iperf client session in %s with cmd: %s" |
| 83 | + iperf_client_cmd = iperf_client_options % (guest_iperf_bin, client_getway) |
| 84 | + test.log.info(info_text, "guest", iperf_client_cmd) |
| 85 | + serial_session.sendline(iperf_client_cmd) |
| 86 | + |
| 87 | + def is_iperf_running(name_pattern, session=None): |
| 88 | + if session: |
| 89 | + check_iperf_cmd = params["check_iperf_cmd"] % name_pattern |
| 90 | + status = serial_session.cmd_status(check_iperf_cmd, safe=True) |
| 91 | + else: |
| 92 | + status = process.system("pgrep -f %s" % name_pattern, |
| 93 | + ignore_status=True, verbose=False) |
| 94 | + return status == 0 |
| 95 | + |
| 96 | + login_timeout = params.get_numeric("login_timeout", 360) |
| 97 | + fw_stop_cmd = params["fw_stop_cmd"] |
| 98 | + tmp_dir = params.get("tmp_dir", "/tmp") |
| 99 | + iperf_deps_dir = data_dir.get_deps_dir("iperf") |
| 100 | + host_iperf_file = params["host_iperf_file"] |
| 101 | + host_iperf_src_path = os.path.join(iperf_deps_dir, host_iperf_file) |
| 102 | + |
| 103 | + vm = env.get_vm(params["main_vm"]) |
| 104 | + vm.verify_alive() |
| 105 | + serial_session = vm.wait_for_serial_login(timeout=login_timeout) |
| 106 | + serial_session.cmd_output_safe(fw_stop_cmd) |
| 107 | + |
| 108 | + client_getway = utils_net.get_default_gateway() |
| 109 | + transfer_iperf_package() |
| 110 | + host_iperf_bin = iperf_compile(host_iperf_src_path, tmp_dir) |
| 111 | + guest_iperf_file = params.get('guest_iperf_file', host_iperf_file) |
| 112 | + guest_iperf_path = params.get('guest_iperf_path', tmp_dir) |
| 113 | + guest_iperf_src_path = os.path.join(guest_iperf_path, guest_iperf_file) |
| 114 | + guest_iperf_bin = iperf_compile(guest_iperf_src_path, tmp_dir, serial_session) |
| 115 | + iperf_server_options = params.get('iperf_server_options') |
| 116 | + iperf_client_options = params.get('iperf_client_options') |
| 117 | + |
| 118 | + try: |
| 119 | + bg_server = utils_misc.InterruptedThread(iperf_server_start) |
| 120 | + bg_client = utils_misc.InterruptedThread(iperf_client_start) |
| 121 | + bg_server.start() |
| 122 | + if not utils_misc.wait_for(lambda: is_iperf_running(host_iperf_bin), 5, 2): |
| 123 | + test.error("Failed to start iperf server.") |
| 124 | + error_context.context("iperf server has started.", test.log.info) |
| 125 | + bg_client.start() |
| 126 | + |
| 127 | + error_context.context("iperf client has started.", test.log.info) |
| 128 | + if not utils_misc.wait_for(lambda: is_iperf_running(guest_iperf_bin, serial_session), 5, 2): |
| 129 | + test.error("Failed to start iperf client.") |
| 130 | + utils_misc.wait_for(lambda: not is_iperf_running(host_iperf_bin), |
| 131 | + 330, 0, 30, |
| 132 | + "Waiting for iperf test to finish.") |
| 133 | + bg_server.join(timeout=60) |
| 134 | + bg_client.join(timeout=60) |
| 135 | + |
| 136 | + finally: |
| 137 | + test.log.info("Cleanup host environment...") |
| 138 | + process.run('pkill -9 -f %s' % host_iperf_bin, verbose=False, ignore_status=True) |
| 139 | + shutil.rmtree(host_iperf_bin.rsplit('/', 2)[0], ignore_errors=True) |
| 140 | + serial_session.close() |
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