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Add checks/two-peers

This commit is contained in:
Astro 2024-03-12 00:21:11 +01:00
parent 625b66e814
commit 8b67ea43c1
2 changed files with 135 additions and 5 deletions
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117
checks/two-peers.nix Normal file
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@ -0,0 +1,117 @@
{ pkgs ? import <nixpkgs> {} }:
pkgs.nixosTest rec {
name = "two-peers";
nodes = {
foo = {
imports = [ ../dn42.nix ];
networking.dn42 = {
enable = true;
as = 64600;
addr.v4 = "172.20.0.1";
nets.v4 = [ "172.20.0.0/24" ];
addr.v6 = "fec0::1";
nets.v6 = [ "fec0::/64" ];
peers.bar = {
as = 64601;
addr.v4 = (builtins.head nodes.bar.networking.interfaces.enp1s0.ipv4.addresses).address;
addr.v6 = (builtins.head nodes.bar.networking.interfaces.enp1s0.ipv6.addresses).address;
srcAddr.v4 = (builtins.head nodes.foo.networking.interfaces.enp1s0.ipv4.addresses).address;
srcAddr.v6 = (builtins.head nodes.foo.networking.interfaces.enp1s0.ipv6.addresses).address;
interface = "enp1s0";
};
};
virtualisation.interfaces.enp1s0.vlan = 2;
networking.useNetworkd = true;
systemd.network.netdevs.dummy0.netdevConfig = {
Kind = "dummy";
Name = "dummy0";
};
networking.interfaces.enp1s0 = {
ipv4.addresses = [ {
address = "10.0.0.1";
prefixLength = 24;
} ];
ipv6.addresses = [ {
address = "fe80::1";
prefixLength = 64;
} ];
};
networking.interfaces.dummy0 = {
ipv4.addresses = [ {
address = nodes.foo.networking.dn42.addr.v4;
prefixLength = 24;
} ];
ipv6.addresses = [ {
address = nodes.foo.networking.dn42.addr.v6;
prefixLength = 64;
} ];
};
networking.firewall.enable = false;
};
bar = {
imports = [ ../dn42.nix ];
networking.dn42 = {
enable = true;
as = 64601;
addr.v4 = "172.20.1.1";
nets.v4 = [ "172.20.1.0/24" ];
addr.v6 = "fec0:0:0:1::1";
nets.v6 = [ "fec0:0:0:1::/64" ];
peers.foo = {
as = 64600;
addr.v4 = (builtins.head nodes.foo.networking.interfaces.enp1s0.ipv4.addresses).address;
addr.v6 = (builtins.head nodes.foo.networking.interfaces.enp1s0.ipv6.addresses).address;
srcAddr.v4 = (builtins.head nodes.bar.networking.interfaces.enp1s0.ipv4.addresses).address;
srcAddr.v6 = (builtins.head nodes.bar.networking.interfaces.enp1s0.ipv6.addresses).address;
interface = "enp1s0";
};
};
virtualisation.interfaces.enp1s0.vlan = 2;
networking.useNetworkd = true;
systemd.network.netdevs.dummy0.netdevConfig = {
Kind = "dummy";
Name = "dummy0";
};
networking.interfaces.enp1s0 = {
ipv4.addresses = [ {
address = "10.0.0.2";
prefixLength = 24;
} ];
ipv6.addresses = [ {
address = "fe80::2";
prefixLength = 64;
} ];
};
networking.interfaces.dummy0 = {
ipv4.addresses = [ {
address = nodes.bar.networking.dn42.addr.v4;
prefixLength = 24;
} ];
ipv6.addresses = [ {
address = nodes.bar.networking.dn42.addr.v6;
prefixLength = 64;
} ];
};
networking.firewall.enable = false;
};
};
testScript = ''
foo.wait_for_unit("bird2")
bar.wait_for_unit("bird2")
# Test basic reachability on the peering network
foo.wait_until_succeeds("ping -c 1 10.0.0.2")
bar.wait_until_succeeds("ping -c 1 10.0.0.1")
# Assuming IPv4 peering is up, try ping on routed dummy0 addrs
foo.wait_until_succeeds("ping -c 1 ${nodes.bar.networking.dn42.addr.v4}")
bar.wait_until_succeeds("ping -c 1 ${nodes.foo.networking.dn42.addr.v4}")
# icmpv6 unsupported by QEMU user networking
# foo.wait_until_succeeds("ping -c 1 ${nodes.bar.networking.dn42.addr.v6}")
# bar.wait_until_succeeds("ping -c 1 ${nodes.foo.networking.dn42.addr.v6}")
'';
}

23
flake.nix
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@ -1,8 +1,21 @@
{
outputs = { ... }: {
nixosModules = rec {
dn42 = import ./dn42.nix;
default = dn42;
outputs = { self, nixpkgs, ... }:
let
systems = [ "x86_64-linux" "aarch64-linux" ];
in {
nixosModules = rec {
dn42 = import ./dn42.nix;
default = dn42;
};
checks = builtins.listToAttrs (map (system: {
name = system;
value = {
two-peers = import ./checks/two-peers.nix {
pkgs = nixpkgs.legacyPackages.${system};
};
};
}) systems);
};
};
}