forked from mirrors/nixpkgs
140 lines
4.2 KiB
Nix
140 lines
4.2 KiB
Nix
import ../make-test-python.nix ({ lib, ... }:
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let
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snakeoil-keys = import ./snakeoil-keys.nix;
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hosts = lib.attrNames snakeoil-keys;
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subnetOf = name: config:
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let
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subnets = config.services.tinc.networks.myNetwork.hostSettings.${name}.subnets;
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in
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(builtins.head subnets).address;
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makeTincHost = name: { subnet, extraConfig ? { } }: lib.mkMerge [
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{
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subnets = [{ address = subnet; }];
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settings = {
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Ed25519PublicKey = snakeoil-keys.${name}.ed25519Public;
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};
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rsaPublicKey = snakeoil-keys.${name}.rsaPublic;
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}
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extraConfig
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];
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makeTincNode = { config, ... }: name: extraConfig: lib.mkMerge [
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{
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services.tinc.networks.myNetwork = {
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inherit name;
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rsaPrivateKeyFile =
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builtins.toFile "rsa.priv" snakeoil-keys.${name}.rsaPrivate;
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ed25519PrivateKeyFile =
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builtins.toFile "ed25519.priv" snakeoil-keys.${name}.ed25519Private;
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hostSettings = lib.mapAttrs makeTincHost {
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static = {
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subnet = "10.0.0.11";
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# Only specify the addresses in the node's vlans, Tinc does not
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# seem to try each one, unlike the documentation suggests...
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extraConfig.addresses = map
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(vlan: { address = "192.168.${toString vlan}.11"; port = 655; })
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config.virtualisation.vlans;
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};
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dynamic1 = { subnet = "10.0.0.21"; };
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dynamic2 = { subnet = "10.0.0.22"; };
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};
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};
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networking.useDHCP = false;
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networking.interfaces."tinc.myNetwork" = {
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virtual = true;
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virtualType = "tun";
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ipv4.addresses = [{
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address = subnetOf name config;
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prefixLength = 24;
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}];
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};
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# Prevents race condition between NixOS service and tinc creating the
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# interface.
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# See: https://github.com/NixOS/nixpkgs/issues/27070
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systemd.services."tinc.myNetwork" = {
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after = [ "network-addresses-tinc.myNetwork.service" ];
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requires = [ "network-addresses-tinc.myNetwork.service" ];
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};
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networking.firewall.allowedTCPPorts = [ 655 ];
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networking.firewall.allowedUDPPorts = [ 655 ];
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}
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extraConfig
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];
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in
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{
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name = "tinc";
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meta.maintainers = with lib.maintainers; [ minijackson ];
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nodes = {
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static = { ... } @ args:
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makeTincNode args "static" {
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virtualisation.vlans = [ 1 2 ];
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networking.interfaces.eth1.ipv4.addresses = [{
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address = "192.168.1.11";
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prefixLength = 24;
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}];
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networking.interfaces.eth2.ipv4.addresses = [{
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address = "192.168.2.11";
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prefixLength = 24;
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}];
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};
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dynamic1 = { ... } @ args:
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makeTincNode args "dynamic1" {
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virtualisation.vlans = [ 1 ];
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};
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dynamic2 = { ... } @ args:
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makeTincNode args "dynamic2" {
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virtualisation.vlans = [ 2 ];
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};
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};
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testScript = ''
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start_all()
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static.wait_for_unit("tinc.myNetwork.service")
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dynamic1.wait_for_unit("tinc.myNetwork.service")
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dynamic2.wait_for_unit("tinc.myNetwork.service")
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# Static is accessible by the other hosts
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dynamic1.succeed("ping -c5 192.168.1.11")
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dynamic2.succeed("ping -c5 192.168.2.11")
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# The other hosts are in separate vlans
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dynamic1.fail("ping -c5 192.168.2.11")
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dynamic2.fail("ping -c5 192.168.1.11")
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# Each host can ping themselves through Tinc
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static.succeed("ping -c5 10.0.0.11")
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dynamic1.succeed("ping -c5 10.0.0.21")
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dynamic2.succeed("ping -c5 10.0.0.22")
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# Static is accessible by the other hosts through Tinc
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dynamic1.succeed("ping -c5 10.0.0.11")
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dynamic2.succeed("ping -c5 10.0.0.11")
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# Static can access the other hosts through Tinc
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static.succeed("ping -c5 10.0.0.21")
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static.succeed("ping -c5 10.0.0.22")
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# The other hosts in separate vlans can access each other through Tinc
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dynamic1.succeed("ping -c5 10.0.0.22")
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dynamic2.succeed("ping -c5 10.0.0.21")
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'';
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})
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