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tests/overlay: Rename from infrastructure

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SebastianStork 2026-03-06 23:23:49 +01:00
parent 00e37eb467
commit 9876946f10
Signed by: SebastianStork
SSH key fingerprint: SHA256:tRrGdjYOwgHxpSc/wTOZQZEjxcb15P0tyXRsbAfd+2Q
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170
tests/infrastructure/default.nix
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@ -1,170 +0,0 @@
{
inputs,
self,
lib,
...
}:
{
node.specialArgs = { inherit inputs self; };
defaults =
{ nodes, config, ... }:
{
imports = [ self.nixosModules.default ];
_module.args.allHosts = nodes |> lib.mapAttrs (_: node: { config = node; });
users = {
mutableUsers = false;
users.seb = {
isNormalUser = true;
password = "seb";
openssh.authorizedKeys.keyFiles = lib.mkIf config.custom.services.sshd.enable [
./keys/server-ssh.pub
./keys/client1-ssh.pub
./keys/client2-ssh.pub
];
};
};
environment.etc."ssh-key" = lib.mkIf (lib.pathExists ./keys/${config.networking.hostName}-ssh) {
source = ./keys/${config.networking.hostName}-ssh;
mode = "0600";
};
custom.services.nebula = {
caCertificateFile = ./keys/ca.crt;
certificateFile = ./keys/${config.networking.hostName}.crt;
privateKeyFile = ./keys/${config.networking.hostName}.key;
};
networking.extraHosts = lib.mkForce "";
services.resolved.dnssec = lib.mkForce "false";
};
nodes = {
lighthouse = {
custom = {
networking = {
overlay = {
address = "10.254.250.1";
isLighthouse = true;
role = "server";
};
underlay = {
interface = "eth1";
cidr = "192.168.0.1/16";
isPublic = true;
};
};
services = {
recursive-nameserver.enable = true;
private-nameserver.enable = true;
};
};
};
server = {
custom = {
networking = {
overlay = {
address = "10.254.250.2";
role = "server";
};
underlay = {
interface = "eth1";
cidr = "192.168.0.2/16";
isPublic = true;
};
};
services.sshd.enable = true;
};
};
client1 =
{ pkgs, ... }:
{
custom.networking = {
overlay = {
address = "10.254.250.3";
role = "client";
};
underlay = {
interface = "eth1";
cidr = "192.168.0.3/16";
};
};
environment.systemPackages = [ pkgs.openssh ];
};
client2 = {
custom = {
networking = {
overlay = {
address = "10.254.250.4";
role = "client";
};
underlay = {
interface = "eth1";
cidr = "192.168.0.4/16";
};
};
services.sshd.enable = true;
};
};
};
testScript =
{ nodes, ... }:
let
lighthouseNetCfg = nodes.lighthouse.custom.networking;
serverNetCfg = nodes.server.custom.networking;
client1NetCfg = nodes.client1.custom.networking;
client2NetCfg = nodes.client2.custom.networking;
ssh = "timeout 5 ssh -i /etc/ssh-key -o BatchMode=yes -o ConnectTimeout=3 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null";
in
''
start_all()
lighthouse.wait_for_unit("${lighthouseNetCfg.overlay.systemdUnit}")
server.wait_for_unit("${serverNetCfg.overlay.systemdUnit}")
client1.wait_for_unit("${client1NetCfg.overlay.systemdUnit}")
client2.wait_for_unit("${client2NetCfg.overlay.systemdUnit}")
lighthouse.wait_for_unit("unbound.service")
lighthouse.wait_for_open_port(53, "${lighthouseNetCfg.overlay.address}")
server.wait_for_unit("sshd.service")
client2.wait_for_unit("sshd.service")
server.wait_for_open_port(22, "${serverNetCfg.overlay.address}")
client2.wait_for_open_port(22, "${client2NetCfg.overlay.address}")
with subtest("Overlay connectivity between nodes"):
client1.succeed("ping -c 1 ${serverNetCfg.overlay.address}")
client1.succeed("ping -c 1 ${client2NetCfg.overlay.address}")
server.succeed("ping -c 1 ${client2NetCfg.overlay.address}")
with subtest("DNS resolution of FQDNs"):
client1.succeed("ping -c 1 ${serverNetCfg.overlay.fqdn}")
client1.succeed("ping -c 1 ${client2NetCfg.overlay.fqdn}")
server.succeed("ping -c 1 ${client2NetCfg.overlay.fqdn}")
with subtest("DNS resolution of unqualified hostnames"):
client1.succeed("ping -c 1 server")
client1.succeed("ping -c 1 client2")
server.succeed("ping -c 1 client2")
with subtest("SSH access restricted by role"):
client1.succeed("${ssh} seb@server 'echo Hello'")
client1.succeed("${ssh} seb@client2 'echo Hello'")
server.fail("${ssh} seb@client2 'echo Hello'")
with subtest("SSH not reachable on underlay"):
client1.fail("${ssh} seb@${serverNetCfg.underlay.address} 'echo Hello'")
'';
}