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Diffstat (limited to 'nixos/tests/corerad.nix')
-rw-r--r-- | nixos/tests/corerad.nix | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/nixos/tests/corerad.nix b/nixos/tests/corerad.nix new file mode 100644 index 0000000000000..950c9abc8994d --- /dev/null +++ b/nixos/tests/corerad.nix @@ -0,0 +1,70 @@ +import ./make-test-python.nix ( + { + nodes = { + router = {config, pkgs, ...}: { + config = { + # This machines simulates a router with IPv6 forwarding and a static IPv6 address. + boot.kernel.sysctl = { + "net.ipv6.conf.all.forwarding" = true; + }; + networking.interfaces.eth1 = { + ipv6.addresses = [ { address = "fd00:dead:beef:dead::1"; prefixLength = 64; } ]; + }; + services.corerad = { + enable = true; + # Serve router advertisements to the client machine with prefix information matching + # any IPv6 /64 prefixes configured on this interface. + configFile = pkgs.writeText "corerad.toml" '' + [[interfaces]] + name = "eth1" + send_advertisements = true + [[interfaces.prefix]] + prefix = "::/64" + ''; + }; + }; + }; + client = {config, pkgs, ...}: { + # Use IPv6 SLAAC from router advertisements, and install rdisc6 so we can + # trigger one immediately. + config = { + boot.kernel.sysctl = { + "net.ipv6.conf.all.autoconf" = true; + }; + environment.systemPackages = with pkgs; [ + ndisc6 + ]; + }; + }; + }; + + testScript = '' + start_all() + + with subtest("Wait for CoreRAD and network ready"): + # Ensure networking is online and CoreRAD is ready. + router.wait_for_unit("network-online.target") + client.wait_for_unit("network-online.target") + router.wait_for_unit("corerad.service") + + # Ensure the client can reach the router. + client.wait_until_succeeds("ping -c 1 fd00:dead:beef:dead::1") + + with subtest("Verify SLAAC on client"): + # Trigger a router solicitation and verify a SLAAC address is assigned from + # the prefix configured on the router. + client.wait_until_succeeds("rdisc6 -1 -r 10 eth1") + client.wait_until_succeeds( + "ip -6 addr show dev eth1 | grep -q 'fd00:dead:beef:dead:'" + ) + + addrs = client.succeed("ip -6 addr show dev eth1") + + assert ( + "fd00:dead:beef:dead:" in addrs + ), "SLAAC prefix was not found in client addresses after router advertisement" + assert ( + "/64 scope global temporary" in addrs + ), "SLAAC temporary address was not configured on client after router advertisement" + ''; + }) |