forked from c3d2/nix-config
89 lines
2.1 KiB
Nix
89 lines
2.1 KiB
Nix
{ zentralwerk, config, lib, pkgs, ... }:
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let
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inherit (config.networking) hostName;
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# hydra does *not* use this module because it only runs a nomad
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# server but no client and no microvms
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servers = [ "server9" "server10" "hydra" ];
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serverNet = server:
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builtins.foldl' (result: net:
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if result == null &&
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zentralwerk.lib.config.site.net.${net}.hosts4 ? ${server}
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then net
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else result
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) null [ "cluster" "serv" ];
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ipv6Addr = zentralwerk.lib.config.site.net.${serverNet hostName}.hosts6.dn42.${hostName};
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in {
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imports = [
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];
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# Open firewall between cluster members
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networking.firewall.extraCommands = lib.concatMapStrings (server:
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let
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netConfig = zentralwerk.lib.config.site.net.${serverNet server};
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in
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lib.optionalString (server != hostName) ''
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iptables -A nixos-fw --source ${netConfig.hosts4.${server}} -j ACCEPT
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${lib.concatMapStrings (hosts6: ''
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ip6tables -A nixos-fw --source ${hosts6.${server}} -j ACCEPT
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'') (builtins.attrValues netConfig.hosts6)}
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'') servers;
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# Storage
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services.glusterfs.enable = true;
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fileSystems."/glusterfs/fast" = {
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fsType = "glusterfs";
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device = "${config.networking.hostName}:/fast";
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};
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# Nomad
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environment.systemPackages = with pkgs; [ nomad ];
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services.nomad = {
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enable = true;
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enableDocker = false;
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dropPrivileges = false;
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extraPackages = with pkgs; [
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systemd virtiofsd
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];
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settings = {
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datacenter = "c3d2";
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plugin.raw_exec.config.enabled = true;
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addresses = {
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http = "::1";
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rpc = ipv6Addr;
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serf = ipv6Addr;
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};
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server = {
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enabled = true;
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bootstrap_expect = 3;
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};
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server_join = {
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retry_join = map (server:
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zentralwerk.lib.config.site.net.${serverNet server}.hosts6.dn42.${server}
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) (
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builtins.filter (server: server != hostName)
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servers
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);
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};
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client = {
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enabled = true;
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network_interface = "cluster";
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servers = [ "localhost" ];
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};
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};
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};
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}
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