mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-16 06:45:16 +01:00
662 lines
24 KiB
Nix
662 lines
24 KiB
Nix
{ system ? builtins.currentSystem
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, config ? {}
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, pkgs ? import ../.. { inherit system config; }
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# bool: whether to use networkd in the tests
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, networkd }:
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with import ../lib/testing-python.nix { inherit system pkgs; };
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with pkgs.lib;
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let
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router = { config, pkgs, ... }:
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with pkgs.lib;
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let
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vlanIfs = range 1 (length config.virtualisation.vlans);
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in {
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environment.systemPackages = [ pkgs.iptables ]; # to debug firewall rules
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virtualisation.vlans = [ 1 2 3 ];
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boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = true;
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networking = {
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useDHCP = false;
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useNetworkd = networkd;
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firewall.checkReversePath = true;
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firewall.allowedUDPPorts = [ 547 ];
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interfaces = mkOverride 0 (listToAttrs (forEach vlanIfs (n:
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nameValuePair "eth${toString n}" {
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ipv4.addresses = [ { address = "192.168.${toString n}.1"; prefixLength = 24; } ];
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ipv6.addresses = [ { address = "fd00:1234:5678:${toString n}::1"; prefixLength = 64; } ];
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})));
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};
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services.dhcpd4 = {
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enable = true;
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interfaces = map (n: "eth${toString n}") vlanIfs;
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extraConfig = ''
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authoritative;
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'' + flip concatMapStrings vlanIfs (n: ''
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subnet 192.168.${toString n}.0 netmask 255.255.255.0 {
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option routers 192.168.${toString n}.1;
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# XXX: technically it's _not guaranteed_ that IP addresses will be
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# issued from the first item in range onwards! We assume that in
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# our tests however.
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range 192.168.${toString n}.2 192.168.${toString n}.254;
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}
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'');
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};
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services.radvd = {
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enable = true;
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config = flip concatMapStrings vlanIfs (n: ''
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interface eth${toString n} {
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AdvSendAdvert on;
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AdvManagedFlag on;
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AdvOtherConfigFlag on;
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prefix fd00:1234:5678:${toString n}::/64 {
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AdvAutonomous off;
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};
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};
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'');
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};
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services.dhcpd6 = {
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enable = true;
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interfaces = map (n: "eth${toString n}") vlanIfs;
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extraConfig = ''
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authoritative;
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'' + flip concatMapStrings vlanIfs (n: ''
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subnet6 fd00:1234:5678:${toString n}::/64 {
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range6 fd00:1234:5678:${toString n}::2 fd00:1234:5678:${toString n}::2;
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}
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'');
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};
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};
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testCases = {
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loopback = {
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name = "Loopback";
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machine.networking.useDHCP = false;
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machine.networking.useNetworkd = networkd;
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testScript = ''
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start_all()
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machine.wait_for_unit("network.target")
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loopback_addresses = machine.succeed("ip addr show lo")
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assert "inet 127.0.0.1/8" in loopback_addresses
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assert "inet6 ::1/128" in loopback_addresses
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'';
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};
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static = {
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name = "Static";
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nodes.router = router;
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nodes.client = { pkgs, ... }: with pkgs.lib; {
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virtualisation.vlans = [ 1 2 ];
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networking = {
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useNetworkd = networkd;
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useDHCP = false;
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defaultGateway = "192.168.1.1";
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interfaces.eth1.ipv4.addresses = mkOverride 0 [
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{ address = "192.168.1.2"; prefixLength = 24; }
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{ address = "192.168.1.3"; prefixLength = 32; }
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{ address = "192.168.1.10"; prefixLength = 32; }
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];
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interfaces.eth2.ipv4.addresses = mkOverride 0 [
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{ address = "192.168.2.2"; prefixLength = 24; }
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];
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};
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};
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testScript = { ... }:
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''
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start_all()
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client.wait_for_unit("network.target")
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router.wait_for_unit("network-online.target")
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with subtest("Make sure dhcpcd is not started"):
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client.fail("systemctl status dhcpcd.service")
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with subtest("Test vlan 1"):
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client.wait_until_succeeds("ping -c 1 192.168.1.1")
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client.wait_until_succeeds("ping -c 1 192.168.1.2")
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client.wait_until_succeeds("ping -c 1 192.168.1.3")
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client.wait_until_succeeds("ping -c 1 192.168.1.10")
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router.wait_until_succeeds("ping -c 1 192.168.1.1")
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router.wait_until_succeeds("ping -c 1 192.168.1.2")
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router.wait_until_succeeds("ping -c 1 192.168.1.3")
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router.wait_until_succeeds("ping -c 1 192.168.1.10")
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with subtest("Test vlan 2"):
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client.wait_until_succeeds("ping -c 1 192.168.2.1")
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client.wait_until_succeeds("ping -c 1 192.168.2.2")
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router.wait_until_succeeds("ping -c 1 192.168.2.1")
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router.wait_until_succeeds("ping -c 1 192.168.2.2")
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with subtest("Test default gateway"):
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router.wait_until_succeeds("ping -c 1 192.168.3.1")
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client.wait_until_succeeds("ping -c 1 192.168.3.1")
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'';
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};
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dhcpSimple = {
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name = "SimpleDHCP";
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nodes.router = router;
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nodes.client = { pkgs, ... }: with pkgs.lib; {
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virtualisation.vlans = [ 1 2 ];
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networking = {
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useNetworkd = networkd;
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useDHCP = false;
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interfaces.eth1 = {
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ipv4.addresses = mkOverride 0 [ ];
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ipv6.addresses = mkOverride 0 [ ];
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useDHCP = true;
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};
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interfaces.eth2 = {
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ipv4.addresses = mkOverride 0 [ ];
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ipv6.addresses = mkOverride 0 [ ];
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useDHCP = true;
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};
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};
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};
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testScript = { ... }:
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''
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start_all()
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client.wait_for_unit("network.target")
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router.wait_for_unit("network-online.target")
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with subtest("Wait until we have an ip address on each interface"):
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client.wait_until_succeeds("ip addr show dev eth1 | grep -q '192.168.1'")
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client.wait_until_succeeds("ip addr show dev eth1 | grep -q 'fd00:1234:5678:1:'")
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client.wait_until_succeeds("ip addr show dev eth2 | grep -q '192.168.2'")
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client.wait_until_succeeds("ip addr show dev eth2 | grep -q 'fd00:1234:5678:2:'")
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with subtest("Test vlan 1"):
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client.wait_until_succeeds("ping -c 1 192.168.1.1")
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client.wait_until_succeeds("ping -c 1 192.168.1.2")
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client.wait_until_succeeds("ping -c 1 fd00:1234:5678:1::1")
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client.wait_until_succeeds("ping -c 1 fd00:1234:5678:1::2")
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router.wait_until_succeeds("ping -c 1 192.168.1.1")
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router.wait_until_succeeds("ping -c 1 192.168.1.2")
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router.wait_until_succeeds("ping -c 1 fd00:1234:5678:1::1")
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router.wait_until_succeeds("ping -c 1 fd00:1234:5678:1::2")
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with subtest("Test vlan 2"):
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client.wait_until_succeeds("ping -c 1 192.168.2.1")
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client.wait_until_succeeds("ping -c 1 192.168.2.2")
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client.wait_until_succeeds("ping -c 1 fd00:1234:5678:2::1")
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client.wait_until_succeeds("ping -c 1 fd00:1234:5678:2::2")
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router.wait_until_succeeds("ping -c 1 192.168.2.1")
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router.wait_until_succeeds("ping -c 1 192.168.2.2")
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router.wait_until_succeeds("ping -c 1 fd00:1234:5678:2::1")
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router.wait_until_succeeds("ping -c 1 fd00:1234:5678:2::2")
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'';
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};
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dhcpOneIf = {
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name = "OneInterfaceDHCP";
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nodes.router = router;
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nodes.client = { pkgs, ... }: with pkgs.lib; {
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virtualisation.vlans = [ 1 2 ];
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networking = {
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useNetworkd = networkd;
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useDHCP = false;
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interfaces.eth1 = {
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ipv4.addresses = mkOverride 0 [ ];
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useDHCP = true;
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};
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interfaces.eth2.ipv4.addresses = mkOverride 0 [ ];
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};
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};
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testScript = { ... }:
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''
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start_all()
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with subtest("Wait for networking to come up"):
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client.wait_for_unit("network.target")
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router.wait_for_unit("network.target")
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with subtest("Wait until we have an ip address on each interface"):
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client.wait_until_succeeds("ip addr show dev eth1 | grep -q '192.168.1'")
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with subtest("Test vlan 1"):
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client.wait_until_succeeds("ping -c 1 192.168.1.1")
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client.wait_until_succeeds("ping -c 1 192.168.1.2")
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router.wait_until_succeeds("ping -c 1 192.168.1.1")
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router.wait_until_succeeds("ping -c 1 192.168.1.2")
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with subtest("Test vlan 2"):
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client.wait_until_succeeds("ping -c 1 192.168.2.1")
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client.fail("ping -c 1 192.168.2.2")
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router.wait_until_succeeds("ping -c 1 192.168.2.1")
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router.fail("ping -c 1 192.168.2.2")
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'';
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};
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bond = let
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node = address: { pkgs, ... }: with pkgs.lib; {
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virtualisation.vlans = [ 1 2 ];
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networking = {
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useNetworkd = networkd;
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useDHCP = false;
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bonds.bond = {
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interfaces = [ "eth1" "eth2" ];
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driverOptions.mode = "balance-rr";
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};
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interfaces.eth1.ipv4.addresses = mkOverride 0 [ ];
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interfaces.eth2.ipv4.addresses = mkOverride 0 [ ];
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interfaces.bond.ipv4.addresses = mkOverride 0
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[ { inherit address; prefixLength = 30; } ];
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};
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};
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in {
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name = "Bond";
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nodes.client1 = node "192.168.1.1";
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nodes.client2 = node "192.168.1.2";
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testScript = { ... }:
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''
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start_all()
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with subtest("Wait for networking to come up"):
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client1.wait_for_unit("network.target")
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client2.wait_for_unit("network.target")
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with subtest("Test bonding"):
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client1.wait_until_succeeds("ping -c 2 192.168.1.1")
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client1.wait_until_succeeds("ping -c 2 192.168.1.2")
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client2.wait_until_succeeds("ping -c 2 192.168.1.1")
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client2.wait_until_succeeds("ping -c 2 192.168.1.2")
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'';
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};
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bridge = let
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node = { address, vlan }: { pkgs, ... }: with pkgs.lib; {
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virtualisation.vlans = [ vlan ];
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networking = {
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useNetworkd = networkd;
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useDHCP = false;
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interfaces.eth1.ipv4.addresses = mkOverride 0
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[ { inherit address; prefixLength = 24; } ];
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};
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};
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in {
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name = "Bridge";
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nodes.client1 = node { address = "192.168.1.2"; vlan = 1; };
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nodes.client2 = node { address = "192.168.1.3"; vlan = 2; };
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nodes.router = { pkgs, ... }: with pkgs.lib; {
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virtualisation.vlans = [ 1 2 ];
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networking = {
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useNetworkd = networkd;
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useDHCP = false;
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bridges.bridge.interfaces = [ "eth1" "eth2" ];
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interfaces.eth1.ipv4.addresses = mkOverride 0 [ ];
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interfaces.eth2.ipv4.addresses = mkOverride 0 [ ];
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interfaces.bridge.ipv4.addresses = mkOverride 0
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[ { address = "192.168.1.1"; prefixLength = 24; } ];
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};
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};
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testScript = { ... }:
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''
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start_all()
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with subtest("Wait for networking to come up"):
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for machine in client1, client2, router:
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machine.wait_for_unit("network.target")
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with subtest("Test bridging"):
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client1.wait_until_succeeds("ping -c 1 192.168.1.1")
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client1.wait_until_succeeds("ping -c 1 192.168.1.2")
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client1.wait_until_succeeds("ping -c 1 192.168.1.3")
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client2.wait_until_succeeds("ping -c 1 192.168.1.1")
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client2.wait_until_succeeds("ping -c 1 192.168.1.2")
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client2.wait_until_succeeds("ping -c 1 192.168.1.3")
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router.wait_until_succeeds("ping -c 1 192.168.1.1")
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router.wait_until_succeeds("ping -c 1 192.168.1.2")
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router.wait_until_succeeds("ping -c 1 192.168.1.3")
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'';
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};
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macvlan = {
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name = "MACVLAN";
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nodes.router = router;
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nodes.client = { pkgs, ... }: with pkgs.lib; {
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environment.systemPackages = [ pkgs.iptables ]; # to debug firewall rules
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virtualisation.vlans = [ 1 ];
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networking = {
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useNetworkd = networkd;
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useDHCP = false;
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firewall.logReversePathDrops = true; # to debug firewall rules
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# reverse path filtering rules for the macvlan interface seem
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# to be incorrect, causing the test to fail. Disable temporarily.
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firewall.checkReversePath = false;
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macvlans.macvlan.interface = "eth1";
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interfaces.eth1 = {
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ipv4.addresses = mkOverride 0 [ ];
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useDHCP = true;
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};
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interfaces.macvlan = {
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useDHCP = true;
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};
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};
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};
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testScript = { ... }:
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''
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start_all()
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with subtest("Wait for networking to come up"):
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client.wait_for_unit("network.target")
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router.wait_for_unit("network.target")
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with subtest("Wait until we have an ip address on each interface"):
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client.wait_until_succeeds("ip addr show dev eth1 | grep -q '192.168.1'")
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client.wait_until_succeeds("ip addr show dev macvlan | grep -q '192.168.1'")
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with subtest("Print lots of diagnostic information"):
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router.log("**********************************************")
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router.succeed("ip addr >&2")
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router.succeed("ip route >&2")
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router.execute("iptables-save >&2")
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client.log("==============================================")
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client.succeed("ip addr >&2")
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client.succeed("ip route >&2")
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client.execute("iptables-save >&2")
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client.log("##############################################")
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with subtest("Test macvlan creates routable ips"):
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client.wait_until_succeeds("ping -c 1 192.168.1.1")
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client.wait_until_succeeds("ping -c 1 192.168.1.2")
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client.wait_until_succeeds("ping -c 1 192.168.1.3")
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router.wait_until_succeeds("ping -c 1 192.168.1.1")
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router.wait_until_succeeds("ping -c 1 192.168.1.2")
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router.wait_until_succeeds("ping -c 1 192.168.1.3")
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'';
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};
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sit = let
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node = { address4, remote, address6 }: { pkgs, ... }: with pkgs.lib; {
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virtualisation.vlans = [ 1 ];
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networking = {
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useNetworkd = networkd;
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firewall.enable = false;
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useDHCP = false;
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sits.sit = {
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inherit remote;
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local = address4;
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dev = "eth1";
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};
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interfaces.eth1.ipv4.addresses = mkOverride 0
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[ { address = address4; prefixLength = 24; } ];
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interfaces.sit.ipv6.addresses = mkOverride 0
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[ { address = address6; prefixLength = 64; } ];
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};
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};
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in {
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name = "Sit";
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nodes.client1 = node { address4 = "192.168.1.1"; remote = "192.168.1.2"; address6 = "fc00::1"; };
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nodes.client2 = node { address4 = "192.168.1.2"; remote = "192.168.1.1"; address6 = "fc00::2"; };
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testScript = { ... }:
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''
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start_all()
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with subtest("Wait for networking to be configured"):
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client1.wait_for_unit("network.target")
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client2.wait_for_unit("network.target")
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# Print diagnostic information
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client1.succeed("ip addr >&2")
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client2.succeed("ip addr >&2")
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with subtest("Test ipv6"):
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client1.wait_until_succeeds("ping -c 1 fc00::1")
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client1.wait_until_succeeds("ping -c 1 fc00::2")
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client2.wait_until_succeeds("ping -c 1 fc00::1")
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client2.wait_until_succeeds("ping -c 1 fc00::2")
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'';
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};
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vlan = let
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node = address: { pkgs, ... }: with pkgs.lib; {
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#virtualisation.vlans = [ 1 ];
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networking = {
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useNetworkd = networkd;
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useDHCP = false;
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vlans.vlan = {
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id = 1;
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interface = "eth0";
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};
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interfaces.eth0.ipv4.addresses = mkOverride 0 [ ];
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interfaces.eth1.ipv4.addresses = mkOverride 0 [ ];
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interfaces.vlan.ipv4.addresses = mkOverride 0
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[ { inherit address; prefixLength = 24; } ];
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};
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};
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in {
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name = "vlan";
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nodes.client1 = node "192.168.1.1";
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nodes.client2 = node "192.168.1.2";
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testScript = { ... }:
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''
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start_all()
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with subtest("Wait for networking to be configured"):
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client1.wait_for_unit("network.target")
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client2.wait_for_unit("network.target")
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with subtest("Test vlan is setup"):
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client1.succeed("ip addr show dev vlan >&2")
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client2.succeed("ip addr show dev vlan >&2")
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'';
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};
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virtual = {
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name = "Virtual";
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machine = {
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networking.useNetworkd = networkd;
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networking.useDHCP = false;
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networking.interfaces.tap0 = {
|
|
ipv4.addresses = [ { address = "192.168.1.1"; prefixLength = 24; } ];
|
|
ipv6.addresses = [ { address = "2001:1470:fffd:2096::"; prefixLength = 64; } ];
|
|
virtual = true;
|
|
};
|
|
networking.interfaces.tun0 = {
|
|
ipv4.addresses = [ { address = "192.168.1.2"; prefixLength = 24; } ];
|
|
ipv6.addresses = [ { address = "2001:1470:fffd:2097::"; prefixLength = 64; } ];
|
|
virtual = true;
|
|
};
|
|
};
|
|
|
|
testScript = ''
|
|
targetList = """
|
|
tap0: tap persist user 0
|
|
tun0: tun persist user 0
|
|
""".strip()
|
|
|
|
with subtest("Wait for networking to come up"):
|
|
machine.start()
|
|
machine.wait_for_unit("network-online.target")
|
|
|
|
with subtest("Test interfaces set up"):
|
|
list = machine.succeed("ip tuntap list | sort").strip()
|
|
assert (
|
|
list == targetList
|
|
), """
|
|
The list of virtual interfaces does not match the expected one:
|
|
Result:
|
|
{}
|
|
Expected:
|
|
{}
|
|
""".format(
|
|
list, targetList
|
|
)
|
|
|
|
with subtest("Test interfaces clean up"):
|
|
machine.succeed("systemctl stop network-addresses-tap0")
|
|
machine.sleep(10)
|
|
machine.succeed("systemctl stop network-addresses-tun0")
|
|
machine.sleep(10)
|
|
residue = machine.succeed("ip tuntap list")
|
|
assert (
|
|
residue is ""
|
|
), "Some virtual interface has not been properly cleaned:\n{}".format(residue)
|
|
'';
|
|
};
|
|
privacy = {
|
|
name = "Privacy";
|
|
nodes.router = { ... }: {
|
|
virtualisation.vlans = [ 1 ];
|
|
boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = true;
|
|
networking = {
|
|
useNetworkd = networkd;
|
|
useDHCP = false;
|
|
interfaces.eth1.ipv6.addresses = singleton {
|
|
address = "fd00:1234:5678:1::1";
|
|
prefixLength = 64;
|
|
};
|
|
};
|
|
services.radvd = {
|
|
enable = true;
|
|
config = ''
|
|
interface eth1 {
|
|
AdvSendAdvert on;
|
|
AdvManagedFlag on;
|
|
AdvOtherConfigFlag on;
|
|
|
|
prefix fd00:1234:5678:1::/64 {
|
|
AdvAutonomous on;
|
|
AdvOnLink on;
|
|
};
|
|
};
|
|
'';
|
|
};
|
|
};
|
|
nodes.client_with_privacy = { pkgs, ... }: with pkgs.lib; {
|
|
virtualisation.vlans = [ 1 ];
|
|
networking = {
|
|
useNetworkd = networkd;
|
|
useDHCP = false;
|
|
interfaces.eth1 = {
|
|
tempAddress = "default";
|
|
ipv4.addresses = mkOverride 0 [ ];
|
|
ipv6.addresses = mkOverride 0 [ ];
|
|
useDHCP = true;
|
|
};
|
|
};
|
|
};
|
|
nodes.client = { pkgs, ... }: with pkgs.lib; {
|
|
virtualisation.vlans = [ 1 ];
|
|
networking = {
|
|
useNetworkd = networkd;
|
|
useDHCP = false;
|
|
interfaces.eth1 = {
|
|
tempAddress = "enabled";
|
|
ipv4.addresses = mkOverride 0 [ ];
|
|
ipv6.addresses = mkOverride 0 [ ];
|
|
useDHCP = true;
|
|
};
|
|
};
|
|
};
|
|
testScript = { ... }:
|
|
''
|
|
start_all()
|
|
|
|
client.wait_for_unit("network.target")
|
|
client_with_privacy.wait_for_unit("network.target")
|
|
router.wait_for_unit("network-online.target")
|
|
|
|
with subtest("Wait until we have an ip address"):
|
|
client_with_privacy.wait_until_succeeds(
|
|
"ip addr show dev eth1 | grep -q 'fd00:1234:5678:1:'"
|
|
)
|
|
client.wait_until_succeeds("ip addr show dev eth1 | grep -q 'fd00:1234:5678:1:'")
|
|
|
|
with subtest("Test vlan 1"):
|
|
client_with_privacy.wait_until_succeeds("ping -c 1 fd00:1234:5678:1::1")
|
|
client.wait_until_succeeds("ping -c 1 fd00:1234:5678:1::1")
|
|
|
|
with subtest("Test address used is temporary"):
|
|
client_with_privacy.wait_until_succeeds(
|
|
"! ip route get fd00:1234:5678:1::1 | grep -q ':[a-f0-9]*ff:fe[a-f0-9]*:'"
|
|
)
|
|
|
|
with subtest("Test address used is EUI-64"):
|
|
client.wait_until_succeeds(
|
|
"ip route get fd00:1234:5678:1::1 | grep -q ':[a-f0-9]*ff:fe[a-f0-9]*:'"
|
|
)
|
|
'';
|
|
};
|
|
routes = {
|
|
name = "routes";
|
|
machine = {
|
|
networking.useDHCP = false;
|
|
networking.interfaces.eth0 = {
|
|
ipv4.addresses = [ { address = "192.168.1.2"; prefixLength = 24; } ];
|
|
ipv6.addresses = [ { address = "2001:1470:fffd:2097::"; prefixLength = 64; } ];
|
|
ipv6.routes = [
|
|
{ address = "fdfd:b3f0::"; prefixLength = 48; }
|
|
{ address = "2001:1470:fffd:2098::"; prefixLength = 64; via = "fdfd:b3f0::1"; }
|
|
];
|
|
ipv4.routes = [
|
|
{ address = "10.0.0.0"; prefixLength = 16; options = { mtu = "1500"; }; }
|
|
{ address = "192.168.2.0"; prefixLength = 24; via = "192.168.1.1"; }
|
|
];
|
|
};
|
|
virtualisation.vlans = [ ];
|
|
};
|
|
|
|
testScript = ''
|
|
targetIPv4Table = """
|
|
10.0.0.0/16 proto static scope link mtu 1500
|
|
192.168.1.0/24 proto kernel scope link src 192.168.1.2
|
|
192.168.2.0/24 via 192.168.1.1 proto static
|
|
""".strip()
|
|
|
|
targetIPv6Table = """
|
|
2001:1470:fffd:2097::/64 proto kernel metric 256 pref medium
|
|
2001:1470:fffd:2098::/64 via fdfd:b3f0::1 proto static metric 1024 pref medium
|
|
fdfd:b3f0::/48 proto static metric 1024 pref medium
|
|
""".strip()
|
|
|
|
machine.start()
|
|
machine.wait_for_unit("network.target")
|
|
|
|
with subtest("test routing tables"):
|
|
ipv4Table = machine.succeed("ip -4 route list dev eth0 | head -n3").strip()
|
|
ipv6Table = machine.succeed("ip -6 route list dev eth0 | head -n3").strip()
|
|
assert (
|
|
ipv4Table == targetIPv4Table
|
|
), """
|
|
The IPv4 routing table does not match the expected one:
|
|
Result:
|
|
{}
|
|
Expected:
|
|
{}
|
|
""".format(
|
|
ipv4Table, targetIPv4Table
|
|
)
|
|
assert (
|
|
ipv6Table == targetIPv6Table
|
|
), """
|
|
The IPv6 routing table does not match the expected one:
|
|
Result:
|
|
{}
|
|
Expected:
|
|
{}
|
|
""".format(
|
|
ipv6Table, targetIPv6Table
|
|
)
|
|
|
|
with subtest("test clean-up of the tables"):
|
|
machine.succeed("systemctl stop network-addresses-eth0")
|
|
ipv4Residue = machine.succeed("ip -4 route list dev eth0 | head -n-3").strip()
|
|
ipv6Residue = machine.succeed("ip -6 route list dev eth0 | head -n-3").strip()
|
|
assert (
|
|
ipv4Residue is ""
|
|
), "The IPv4 routing table has not been properly cleaned:\n{}".format(ipv4Residue)
|
|
assert (
|
|
ipv6Residue is ""
|
|
), "The IPv6 routing table has not been properly cleaned:\n{}".format(ipv6Residue)
|
|
'';
|
|
};
|
|
};
|
|
|
|
in mapAttrs (const (attrs: makeTest (attrs // {
|
|
name = "${attrs.name}-Networking-${if networkd then "Networkd" else "Scripted"}";
|
|
}))) testCases
|