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|
{
config,
lib,
pkgs,
...
}:
let
inherit (lib)
mkIf
flip
;
cfg = config.services.headscale;
in
{
services.headscale = {
enable = true;
address = "127.0.0.1";
port = 8080;
settings = {
server_url = "https://headscale.sorre.xyz";
database.sqlite = {
path = "/var/lib/headscale/db.sqlite";
write_ahead_log = true;
};
trusted_proxies = [
"127.0.0.1/32"
"::1/128"
];
dns = {
base_domain = "sorre.internal";
override_local_dns = true;
nameservers.global = [
"1.1.1.1"
"1.0.0.1"
];
magic_dns = true;
extra_records =
let
towerAddr = "100.64.0.6";
towerSubdomains = [
"music"
"vaultwarden"
"git"
"kanboard"
];
in
flip map towerSubdomains (subdomain: {
type = "A";
name = "${subdomain}.${cfg.settings.dns.base_domain}";
value = towerAddr;
});
};
policy = {
mode = "file";
path = ./headscale-policy.json;
};
};
};
systemd.services.backup-headscale = mkIf cfg.enable {
serviceConfig = {
Type = "exec";
User = cfg.user;
Group = cfg.group;
StateDirectory = "backups/headscale";
StateDirectoryMode = "0700";
Umask = "077";
};
description = "Back up headscale data";
conflicts = [ "headscale.service" ];
path = [ pkgs.gnutar ];
enableStrictShellChecks = true;
script = ''
#!/usr/bin/env bash
set -euo pipefail
TIMESTAMP="$(date +%Y%m%d%H%M%S)"
BACKUP_PATH="$STATE_DIRECTORY/$TIMESTAMP.backup.tar"
echo "Backing up headscale to $BACKUP_PATH" >&2
tar cf "$BACKUP_PATH" /var/lib/headscale
chmod u=r,go-rwx "$BACKUP_PATH"
find "$STATE_DIRECTORY" -type f -name '*.backup.tar' -print0 |
sort --zero-terminated --reverse |
tail --zero-terminated --lines=+6 |
xargs --null --no-run-if-empty rm --
'';
};
# See: https://unix.stackexchange.com/a/804263
systemd.services.backup-headscale-restart-service = mkIf cfg.enable {
unitConfig = {
StopPropagatedFrom = "backup-headscale.service";
Before = "backup-headscale.service";
User = "root";
};
path = [ pkgs.systemdMinimal ];
serviceConfig = {
Type = "oneshot";
User = "root";
RemainAfterExit = true;
ExecStop = "systemctl start headscale.service";
};
wantedBy = [ "backup-headscale.service" ];
};
systemd.timers.backup-headscale = mkIf cfg.enable {
description = "Back up headscale every morning";
timerConfig.OnCalendar = "*-*-* 05:00:00";
wantedBy = [ "timers.target" ];
};
}
|
