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passt file transfer tests via tcp/udp #4150
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- passt_transfer_tests: | ||
virt_test_type = qemu | ||
type = passt_transfer_tests | ||
image_snapshot = yes | ||
vhost_nic1 = "" | ||
nettype_nic1 = user:passt | ||
net_port_forwards_avocado-vt-vm1 = TCP@10001 UDP@10001 | ||
net_port_forwards_vm2 = TCP@10002 UDP@10002 | ||
vms = "avocado-vt-vm1 vm2" | ||
tmp_dir = "/var/tmp/" | ||
fw_stop_cmd = systemctl stop firewalld || nft flush ruleset || iptables -F | ||
file_md5_check_timeout = 120 | ||
filesize = 4294967296 | ||
dd_cmd = "dd if=/dev/zero of=%s bs=%d count=1" | ||
variants: | ||
- with_tcp_ipv4: | ||
receive_protocol = TCP4 | ||
- with_udp_ipv4: | ||
filesize = 51200 | ||
receive_protocol = UDP4 | ||
receive_cmd = " & echo $! >/tmp/socat.pid && sleep 60 && kill -9 $(cat /tmp/socat.pid)" | ||
- with_tcp_ipv6: | ||
ipv6 = yes | ||
receive_protocol = TCP6 | ||
- with_udp_ipv6: | ||
ipv6 = yes | ||
filesize = 51200 | ||
receive_protocol = UDP6 | ||
receive_cmd = " & echo $! >/tmp/socat.pid && sleep 60 && kill -9 $(cat /tmp/socat.pid)" | ||
receive_cmd <= socat -u ${receive_protocol}-LISTEN:%d,reuseaddr OPEN:%s,create | ||
sent_cmd = socat -u FILE:%s ${receive_protocol}:%s:%d |
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import os | ||
import time | ||
import re | ||
|
||
from avocado.utils import crypto, process | ||
from virttest import utils_misc | ||
from virttest import utils_net | ||
from virttest import error_context | ||
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||
|
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@error_context.context_aware | ||
def run(test, params, env): | ||
""" | ||
Test Step | ||
1. boot up two virtual machine with passt device | ||
2. For linux guest,Transfer data via tcp&udp: | ||
host-->guest1 & host-->guest2 & guest<-->guest2 | ||
3. after data transfer, check data have no change | ||
Params: | ||
:param test: QEMU test object | ||
:param params: Dictionary with the test parameters | ||
:param env: Dictionary with test environment. | ||
""" | ||
def get_file_md5sum(file_name, session, timeout): | ||
""" | ||
Get file md5sum from guest. | ||
""" | ||
test.log.info("Get md5sum of the file:'%s'", file_name) | ||
s, o = session.cmd_status_output("md5sum %s" % file_name, timeout=timeout) | ||
if s != 0: | ||
test.error("Get file md5sum failed as %s" % o) | ||
return re.findall(r"\w{32}", o)[0] | ||
|
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def transfer_data(src, dst): | ||
error_context.context("Transferring data from %s to %s" % | ||
(src.name, dst.name), test.log.info) | ||
sessions[dst].sendline(receive_cmd % (guest2guest_port, dest_path)) | ||
time.sleep(5) | ||
sessions[src].sendline(sent_cmd % (guest_path, gateway, guest2guest_port)) | ||
dst_md5 = get_file_md5sum(dest_path, sessions[dst], | ||
timeout=file_md5_check_timeout) | ||
error_context.context("md5 value of data in %s: %s" % (dst.name, dst_md5), | ||
test.log.info) | ||
if dst_md5 != src_md5: | ||
test.fail("File changed transfer %s -> %s" % (src.name, dst.name)) | ||
|
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timeout = params.get_numeric("login_timeout", 360) | ||
receive_cmd = params.get("receive_cmd") | ||
sent_cmd = params.get("sent_cmd") | ||
tmp_dir = params["tmp_dir"] | ||
filesize = params.get_numeric("filesize") | ||
dd_cmd = params["dd_cmd"] | ||
file_md5_check_timeout = params.get_numeric("file_md5_check_timeout", 120) | ||
fw_stop_cmd = params["fw_stop_cmd"] | ||
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sessions = {} | ||
ifname = {} | ||
port_list = [] | ||
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error_context.context("Boot vms for test", test.log.info) | ||
vms = env.get_all_vms() | ||
for vm in vms: | ||
vm.verify_alive() | ||
sessions[vm] = vm.wait_for_serial_login(timeout=timeout) | ||
for nic in vm.virtnet: | ||
port_id = nic.net_port_forwards | ||
port_list += (port_id,) | ||
|
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if params.get_boolean("ipv6"): | ||
gateway_address = utils_net.get_default_gateway(ip_ver='ipv6') | ||
local_address = "[::1]" | ||
ifname[vm] = utils_net.get_linux_ifname(sessions[vm], | ||
vm.get_mac_address()) | ||
gateway = [f"{gateway_address}%{ifname[vm]}"] | ||
else: | ||
gateway = utils_net.get_default_gateway(ip_ver='ipv4') | ||
local_address = "localhost" | ||
# prepare test data | ||
guest_path = (tmp_dir + "src-%s" % utils_misc.generate_random_string(8)) | ||
dest_path = (tmp_dir + "dst-%s" % utils_misc.generate_random_string(8)) | ||
host_path = os.path.join(test.tmpdir, "tmp-%s" % | ||
utils_misc.generate_random_string(8)) | ||
test.log.info("Test setup: Creating %dbytes file on host", filesize) | ||
process.run(dd_cmd % (host_path, filesize), shell=True) | ||
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try: | ||
src_md5 = (crypto.hash_file(host_path, algorithm="md5")) | ||
error_context.context("md5 value of data from src: %s" % src_md5, | ||
test.log.info) | ||
# transfer data from host to guest | ||
host2guest_port = int(re.search(r'\d+', port_list[0]).group()) | ||
for vm in vms: | ||
error_context.context("Transfer data from host to %s" % vm.name, | ||
test.log.info) | ||
sessions[vm].cmd_output_safe(fw_stop_cmd) | ||
sessions[vm].sendline(receive_cmd % (host2guest_port, guest_path)) | ||
time.sleep(5) | ||
process.run(sent_cmd % (host_path, local_address, host2guest_port), shell=True) | ||
dst_md5 = get_file_md5sum(guest_path, sessions[vm], | ||
timeout=file_md5_check_timeout) | ||
error_context.context("md5 value of data in %s: %s" % (vm.name, dst_md5), | ||
test.log.info) | ||
if dst_md5 != src_md5: | ||
test.fail("File changed after transfer host -> %s" % vm.name) | ||
host2guest_port += 1 | ||
|
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guest2guest_port = int(re.search(r'\d+', port_list[1]).group()) | ||
transfer_data(*vms) | ||
guest2guest_port -= 1 | ||
transfer_data(*reversed(vms)) | ||
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finally: | ||
process.system("rm -rf %s" % host_path, timeout=timeout, | ||
ignore_status=True) |
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Both host2guest_port and guest2guest_port should from vim.virtnet, not simple calculations, if the vm ports are 1001 and 1003, the current not work.