nixos/tests: add test for static routes
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@ -210,12 +210,13 @@ let
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${flip concatMapStrings (i.ipv4Routes ++ i.ipv6Routes) (route:
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let
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cidr = "${route.address}/${toString route.prefixLength}";
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nextHop = optionalString (route.nextHop != null) ''via "${route.nextHop}"'';
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via = optionalString (route.via != null) ''via "${route.via}"'';
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options = concatStrings (mapAttrsToList (name: val: "${name} ${val} ") route.options);
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in
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''
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echo "${cidr}" >> $state
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echo -n "adding route ${cidr}... "
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if out=$(ip route add "${cidr}" ${route.options} ${nextHop} dev "${i.name}" 2>&1); then
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if out=$(ip route add "${cidr}" ${options} ${via} dev "${i.name}" 2>&1); then
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echo "done"
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elif ! echo "$out" | grep "File exists" >/dev/null 2>&1; then
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echo "failed"
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@ -131,16 +131,16 @@ let
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'';
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};
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nextHop = mkOption {
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via = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = "IPv${toString v} address of the next hop.";
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};
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options = mkOption {
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type = types.str;
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default = "";
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example = "mtu 1492 window 524288";
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type = types.attrsOf types.str;
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default = { };
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example = { mtu = "1492"; window = "524288"; };
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description = ''
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Other route options. See the symbol <literal>OPTION</literal>
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in the <literal>ip-route(8)</literal> manual page for the details.
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@ -237,7 +237,7 @@ let
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default = [];
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example = [
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{ address = "10.0.0.0"; prefixLength = 16; }
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{ address = "192.168.2.0"; prefixLength = 24; nextHop = "192.168.1.1"; }
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{ address = "192.168.2.0"; prefixLength = 24; via = "192.168.1.1"; }
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];
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type = with types; listOf (submodule (routeOpts 4));
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description = ''
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@ -249,7 +249,7 @@ let
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default = [];
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example = [
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{ address = "fdfd:b3f0::"; prefixLength = 48; }
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{ address = "2001:1470:fffd:2098::"; prefixLength = 64; nextHop = "fdfd:b3f0::1"; }
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{ address = "2001:1470:fffd:2098::"; prefixLength = 64; via = "fdfd:b3f0::1"; }
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];
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type = with types; listOf (submodule (routeOpts 6));
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description = ''
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@ -533,6 +533,69 @@ let
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$client->succeed("! ip route get fd00:1234:5678:1::1 | grep -q ':[a-f0-9]*ff:fe[a-f0-9]*:'");
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'';
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};
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routes = {
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name = "routes";
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machine = {
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networking.useDHCP = false;
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networking.interfaces."eth0" = {
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ip4 = [ { address = "192.168.1.2"; prefixLength = 24; } ];
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ip6 = [ { address = "2001:1470:fffd:2097::"; prefixLength = 64; } ];
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ipv6Routes = [
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{ address = "fdfd:b3f0::"; prefixLength = 48; }
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{ address = "2001:1470:fffd:2098::"; prefixLength = 64; via = "fdfd:b3f0::1"; }
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];
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ipv4Routes = [
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{ address = "10.0.0.0"; prefixLength = 16; options = { mtu = "1500"; }; }
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{ address = "192.168.2.0"; prefixLength = 24; via = "192.168.1.1"; }
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];
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};
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virtualisation.vlans = [ ];
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};
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testScript = ''
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my $targetIPv4Table = <<'END';
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10.0.0.0/16 scope link mtu 1500
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192.168.1.0/24 proto kernel scope link src 192.168.1.2
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192.168.2.0/24 via 192.168.1.1
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END
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my $targetIPv6Table = <<'END';
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2001:1470:fffd:2097::/64 proto kernel metric 256 pref medium
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2001:1470:fffd:2098::/64 via fdfd:b3f0::1 metric 1024 pref medium
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fdfd:b3f0::/48 metric 1024 pref medium
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END
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$machine->start;
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$machine->waitForUnit("network.target");
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# test routing tables
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my $ipv4Table = $machine->succeed("ip -4 route list dev eth0 | head -n3");
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my $ipv6Table = $machine->succeed("ip -6 route list dev eth0 | head -n3");
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"$ipv4Table" eq "$targetIPv4Table" or die(
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"The IPv4 routing table does not match the expected one:\n",
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"Result:\n", "$ipv4Table\n",
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"Expected:\n", "$targetIPv4Table\n"
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);
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"$ipv6Table" eq "$targetIPv6Table" or die(
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"The IPv6 routing table does not match the expected one:\n",
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"Result:\n", "$ipv6Table\n",
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"Expected:\n", "$targetIPv6Table\n"
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);
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# test clean-up of the tables
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$machine->succeed("systemctl stop network-addresses-eth0");
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my $ipv4Residue = $machine->succeed("ip -4 route list dev eth0 | head -n-3");
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my $ipv6Residue = $machine->succeed("ip -6 route list dev eth0 | head -n-3");
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$ipv4Residue eq "" or die(
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"The IPv4 routing table has not been properly cleaned:\n",
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"$ipv4Residue\n"
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);
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$ipv6Residue eq "" or die(
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"The IPv6 routing table has not been properly cleaned:\n",
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"$ipv6Residue\n"
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);
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'';
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};
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};
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in mapAttrs (const (attrs: makeTest (attrs // {
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