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