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nixos/tests: add test for static routes

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rnhmjoj 2017-07-28 16:45:58 +02:00
parent d00c91c5da
commit f41111c4da
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3 changed files with 72 additions and 8 deletions
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5
nixos/modules/tasks/network-interfaces-scripted.nix
View file

@ -210,12 +210,13 @@ let
${flip concatMapStrings (i.ipv4Routes ++ i.ipv6Routes) (route:
let
cidr = "${route.address}/${toString route.prefixLength}";
nextHop = optionalString (route.nextHop != null) ''via "${route.nextHop}"'';
via = optionalString (route.via != null) ''via "${route.via}"'';
options = concatStrings (mapAttrsToList (name: val: "${name} ${val} ") route.options);
in
''
echo "${cidr}" >> $state
echo -n "adding route ${cidr}... "
if out=$(ip route add "${cidr}" ${route.options} ${nextHop} dev "${i.name}" 2>&1); then
if out=$(ip route add "${cidr}" ${options} ${via} dev "${i.name}" 2>&1); then
echo "done"
elif ! echo "$out" | grep "File exists" >/dev/null 2>&1; then
echo "failed"

12
nixos/modules/tasks/network-interfaces.nix
View file

@ -131,16 +131,16 @@ let
'';
};
nextHop = mkOption {
via = mkOption {
type = types.nullOr types.str;
default = null;
description = "IPv${toString v} address of the next hop.";
};
options = mkOption {
type = types.str;
default = "";
example = "mtu 1492 window 524288";
type = types.attrsOf types.str;
default = { };
example = { mtu = "1492"; window = "524288"; };
description = ''
Other route options. See the symbol <literal>OPTION</literal>
in the <literal>ip-route(8)</literal> manual page for the details.
@ -237,7 +237,7 @@ let
default = [];
example = [
{ address = "10.0.0.0"; prefixLength = 16; }
{ address = "192.168.2.0"; prefixLength = 24; nextHop = "192.168.1.1"; }
{ address = "192.168.2.0"; prefixLength = 24; via = "192.168.1.1"; }
];
type = with types; listOf (submodule (routeOpts 4));
description = ''
@ -249,7 +249,7 @@ let
default = [];
example = [
{ address = "fdfd:b3f0::"; prefixLength = 48; }
{ address = "2001:1470:fffd:2098::"; prefixLength = 64; nextHop = "fdfd:b3f0::1"; }
{ address = "2001:1470:fffd:2098::"; prefixLength = 64; via = "fdfd:b3f0::1"; }
];
type = with types; listOf (submodule (routeOpts 6));
description = ''

63
nixos/tests/networking.nix
View file

@ -533,6 +533,69 @@ let
$client->succeed("! 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" = {
ip4 = [ { address = "192.168.1.2"; prefixLength = 24; } ];
ip6 = [ { address = "2001:1470:fffd:2097::"; prefixLength = 64; } ];
ipv6Routes = [
{ address = "fdfd:b3f0::"; prefixLength = 48; }
{ address = "2001:1470:fffd:2098::"; prefixLength = 64; via = "fdfd:b3f0::1"; }
];
ipv4Routes = [
{ 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 = ''
my $targetIPv4Table = <<'END';
10.0.0.0/16 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
END
my $targetIPv6Table = <<'END';
2001:1470:fffd:2097::/64 proto kernel metric 256 pref medium
2001:1470:fffd:2098::/64 via fdfd:b3f0::1 metric 1024 pref medium
fdfd:b3f0::/48 metric 1024 pref medium
END
$machine->start;
$machine->waitForUnit("network.target");
# test routing tables
my $ipv4Table = $machine->succeed("ip -4 route list dev eth0 | head -n3");
my $ipv6Table = $machine->succeed("ip -6 route list dev eth0 | head -n3");
"$ipv4Table" eq "$targetIPv4Table" or die(
"The IPv4 routing table does not match the expected one:\n",
"Result:\n", "$ipv4Table\n",
"Expected:\n", "$targetIPv4Table\n"
);
"$ipv6Table" eq "$targetIPv6Table" or die(
"The IPv6 routing table does not match the expected one:\n",
"Result:\n", "$ipv6Table\n",
"Expected:\n", "$targetIPv6Table\n"
);
# test clean-up of the tables
$machine->succeed("systemctl stop network-addresses-eth0");
my $ipv4Residue = $machine->succeed("ip -4 route list dev eth0 | head -n-3");
my $ipv6Residue = $machine->succeed("ip -6 route list dev eth0 | head -n-3");
$ipv4Residue eq "" or die(
"The IPv4 routing table has not been properly cleaned:\n",
"$ipv4Residue\n"
);
$ipv6Residue eq "" or die(
"The IPv6 routing table has not been properly cleaned:\n",
"$ipv6Residue\n"
);
'';
};
};
in mapAttrs (const (attrs: makeTest (attrs // {