nixos/tests/ulogd/ulogd.py

   1 start_all()
   2 machine.wait_for_unit("ulogd.service")
   3 machine.systemctl("start network-online.target")
   4 machine.wait_for_unit("network-online.target")
   5
   6 with subtest("Ulogd is running"):
   7     machine.succeed("pgrep ulogd >&2")
   8
   9 # All packets show up twice in the logs
  10 with subtest("Logs are collected"):
  11     machine.succeed("ping -f 127.0.0.1 -c 5 >&2")
  12     machine.succeed("sleep 2")
  13     machine.wait_until_succeeds("du /var/log/ulogd.pcap")
  14     _, echo_request_packets = machine.execute("tcpdump -r /var/log/ulogd.pcap icmp[0] == 8 and host 127.0.0.1")
  15     expected, actual = 5 * 2, len(echo_request_packets.splitlines())
  16     assert expected == actual, f"Expected {expected} ICMP request packets from pcap, got: {actual}"
  17     _, echo_reply_packets = machine.execute("tcpdump -r /var/log/ulogd.pcap icmp[0] == 0 and host 127.0.0.1")
  18     expected, actual = 5 * 2, len(echo_reply_packets.splitlines())
  19     assert expected == actual, f"Expected {expected} ICMP reply packets from pcap, got: {actual}"
  20
  21     machine.wait_until_succeeds("du /var/log/ulogd_pkts.log")
  22     _, echo_request_packets = machine.execute("grep TYPE=8 /var/log/ulogd_pkts.log")
  23     expected, actual = 5 * 2, len(echo_request_packets.splitlines())
  24     assert expected == actual, f"Expected {expected} ICMP request packets from logfile, got: {actual}"
  25     _, echo_reply_packets = machine.execute("grep TYPE=0 /var/log/ulogd_pkts.log")
  26     expected, actual = 5 * 2, len(echo_reply_packets.splitlines())
  27     assert expected == actual, f"Expected {expected} ICMP reply packets from logfile, got: {actual}"
  28
  29 with subtest("Reloading service reopens log file"):
  30     machine.succeed("mv /var/log/ulogd.pcap /var/log/old_ulogd.pcap")
  31     machine.succeed("mv /var/log/ulogd_pkts.log /var/log/old_ulogd_pkts.log")
  32     machine.succeed("systemctl reload ulogd.service")
  33     machine.succeed("ping -f 127.0.0.1 -c 5 >&2")
  34     machine.succeed("sleep 2")
  35     machine.wait_until_succeeds("du /var/log/ulogd.pcap")
  36     _, echo_request_packets = machine.execute("tcpdump -r /var/log/ulogd.pcap icmp[0] == 8 and host 127.0.0.1")
  37     expected, actual = 5 * 2, len(echo_request_packets.splitlines())
  38     assert expected == actual, f"Expected {expected} packets, got: {actual}"
  39     _, echo_reply_packets = machine.execute("tcpdump -r /var/log/ulogd.pcap icmp[0] == 0 and host 127.0.0.1")
  40     expected, actual = 5 * 2, len(echo_reply_packets.splitlines())
  41     assert expected == actual, f"Expected {expected} packets, got: {actual}"
  42
  43     machine.wait_until_succeeds("du /var/log/ulogd_pkts.log")
  44     _, echo_request_packets = machine.execute("grep TYPE=8 /var/log/ulogd_pkts.log")
  45     expected, actual = 5 * 2, len(echo_request_packets.splitlines())
  46     assert expected == actual, f"Expected {expected} ICMP request packets from logfile, got: {actual}"
  47     _, echo_reply_packets = machine.execute("grep TYPE=0 /var/log/ulogd_pkts.log")
  48     expected, actual = 5 * 2, len(echo_reply_packets.splitlines())
  49     assert expected == actual, f"Expected {expected} ICMP reply packets from logfile, got: {actual}"