90 lines
3.0 KiB
Nix
90 lines
3.0 KiB
Nix
import ./make-test-python.nix (
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{
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nodes = {
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router = {config, pkgs, ...}: {
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config = {
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# This machine simulates a router with IPv6 forwarding and a static IPv6 address.
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boot.kernel.sysctl = {
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"net.ipv6.conf.all.forwarding" = true;
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};
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networking.interfaces.eth1 = {
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ipv6.addresses = [ { address = "fd00:dead:beef:dead::1"; prefixLength = 64; } ];
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};
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services.corerad = {
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enable = true;
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# Serve router advertisements to the client machine with prefix information matching
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# any IPv6 /64 prefixes configured on this interface.
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#
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# This configuration is identical to the example in the CoreRAD NixOS module.
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settings = {
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interfaces = [
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{
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name = "eth0";
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monitor = true;
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}
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{
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name = "eth1";
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advertise = true;
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prefix = [{ prefix = "::/64"; }];
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}
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];
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debug = {
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address = "localhost:9430";
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prometheus = true;
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};
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};
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};
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};
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};
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client = {config, pkgs, ...}: {
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# Use IPv6 SLAAC from router advertisements, and install rdisc6 so we can
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# trigger one immediately.
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config = {
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boot.kernel.sysctl = {
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"net.ipv6.conf.all.autoconf" = true;
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};
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environment.systemPackages = with pkgs; [
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ndisc6
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];
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};
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};
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};
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testScript = ''
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start_all()
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with subtest("Wait for CoreRAD and network ready"):
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# Ensure networking is online and CoreRAD is ready.
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router.wait_for_unit("network-online.target")
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client.wait_for_unit("network-online.target")
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router.wait_for_unit("corerad.service")
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# Ensure the client can reach the router.
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client.wait_until_succeeds("ping -c 1 fd00:dead:beef:dead::1")
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with subtest("Verify SLAAC on client"):
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# Trigger a router solicitation and verify a SLAAC address is assigned from
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# the prefix configured on the router.
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client.wait_until_succeeds("rdisc6 -1 -r 10 eth1")
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client.wait_until_succeeds(
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"ip -6 addr show dev eth1 | grep -q 'fd00:dead:beef:dead:'"
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)
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addrs = client.succeed("ip -6 addr show dev eth1")
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assert (
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"fd00:dead:beef:dead:" in addrs
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), "SLAAC prefix was not found in client addresses after router advertisement"
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assert (
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"/64 scope global temporary" in addrs
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), "SLAAC temporary address was not configured on client after router advertisement"
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with subtest("Verify HTTP debug server is configured"):
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out = router.succeed("curl -f localhost:9430/metrics")
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assert (
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"corerad_build_info" in out
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), "Build info metric was not found in Prometheus output"
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'';
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})
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