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|
import ./make-test-python.nix ({ pkgs, lib, ... }: {
name = "ulogd";
meta = with lib; {
maintainers = with maintainers; [ p-h ];
};
nodes.machine = { ... }: {
networking.firewall.enable = false;
networking.nftables.enable = true;
networking.nftables.ruleset = ''
table inet filter {
chain input {
type filter hook input priority 0;
log group 2 accept
}
chain output {
type filter hook output priority 0; policy accept;
log group 2 accept
}
chain forward {
type filter hook forward priority 0; policy drop;
log group 2 accept
}
}
'';
services.ulogd = {
enable = true;
settings = {
global = {
logfile = "/var/log/ulogd.log";
stack = "log1:NFLOG,base1:BASE,pcap1:PCAP";
};
log1.group = 2;
pcap1 = {
file = "/var/log/ulogd.pcap";
sync = 1;
};
};
};
environment.systemPackages = with pkgs; [
tcpdump
];
};
testScript = ''
start_all()
machine.wait_for_unit("ulogd.service")
machine.wait_for_unit("network-online.target")
with subtest("Ulogd is running"):
machine.succeed("pgrep ulogd >&2")
# All packets show up twice in the logs
with subtest("Logs are collected"):
machine.succeed("ping -f 127.0.0.1 -c 5 >&2")
machine.succeed("sleep 2")
machine.wait_until_succeeds("du /var/log/ulogd.pcap >&2")
_, echo_request_packets = machine.execute("tcpdump -r /var/log/ulogd.pcap icmp[0] == 8 and host 127.0.0.1")
expected, actual = 5*2, len(echo_request_packets.splitlines())
assert expected == actual, f"Expected {expected} packets, got: {actual}"
_, echo_reply_packets = machine.execute("tcpdump -r /var/log/ulogd.pcap icmp[0] == 0 and host 127.0.0.1")
expected, actual = 5*2, len(echo_reply_packets.splitlines())
assert expected == actual, f"Expected {expected} packets, got: {actual}"
with subtest("Reloading service reopens log file"):
machine.succeed("mv /var/log/ulogd.pcap /var/log/old_ulogd.pcap")
machine.succeed("systemctl reload ulogd.service")
machine.succeed("ping -f 127.0.0.1 -c 5 >&2")
machine.succeed("sleep 2")
_, echo_request_packets = machine.execute("tcpdump -r /var/log/ulogd.pcap icmp[0] == 8 and host 127.0.0.1")
expected, actual = 5*2, len(echo_request_packets.splitlines())
assert expected == actual, f"Expected {expected} packets, got: {actual}"
_, echo_reply_packets = machine.execute("tcpdump -r /var/log/ulogd.pcap icmp[0] == 0 and host 127.0.0.1")
expected, actual = 5*2, len(echo_reply_packets.splitlines())
assert expected == actual, f"Expected {expected} packets, got: {actual}"
'';
})
|
