nixos/tests/ulogd/ulogd.py

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