stockholm/krebs/3modules/github-hosts-sync.nix
2016-06-13 02:10:02 +02:00

67 lines
1.7 KiB
Nix

{ config, lib, pkgs, ... }:
with config.krebs.lib;
let
cfg = config.krebs.github-hosts-sync;
out = {
options.krebs.github-hosts-sync = api;
config = lib.mkIf cfg.enable imp;
};
api = {
enable = mkEnableOption "krebs.github-hosts-sync";
port = mkOption {
type = types.int; # TODO port type
default = 1028;
};
dataDir = mkOption {
type = types.str; # TODO path (but not just into store)
default = "/var/lib/github-hosts-sync";
};
ssh-identity-file = mkOption {
type = types.suffixed-str [".ssh.id_ed25519" ".ssh.id_rsa"];
default = toString <secrets/github-hosts-sync.ssh.id_rsa>;
};
};
imp = {
systemd.services.github-hosts-sync = {
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
environment = {
port = toString cfg.port;
};
serviceConfig = {
PermissionsStartOnly = "true";
SyslogIdentifier = "github-hosts-sync";
User = user.name;
Restart = "always";
ExecStartPre = pkgs.writeDash "github-hosts-sync-init" ''
set -euf
install -m 0711 -o ${user.name} -d ${cfg.dataDir}
install -m 0700 -o ${user.name} -d ${cfg.dataDir}/.ssh
install -m 0400 -o ${user.name} \
${cfg.ssh-identity-file} \
${cfg.dataDir}/.ssh/${fileExtension cfg.ssh-identity-file}
'';
ExecStart = "${pkgs.github-hosts-sync}/bin/github-hosts-sync";
};
};
users.extraUsers = singleton {
inherit (user) name uid;
home = cfg.dataDir;
};
};
user = rec {
name = "github-hosts-sync";
uid = genid name;
};
# TODO move to lib?
fileExtension = s: last (splitString "." s);
in out