dotfiles/modules/nixos/system/default.nix
2023-07-28 23:28:08 -04:00

58 lines
1.8 KiB
Nix

{ config, pkgs, lib, ... }: {
imports = [ ./doas.nix ./journald.nix ./user.nix ./timezone.nix ];
config = lib.mkIf pkgs.stdenv.isLinux {
# Pin a state version to prevent warnings
system.stateVersion =
config.home-manager.users.${config.user}.home.stateVersion;
# This setting only applies to NixOS, different on Darwin
nix.gc.dates = "weekly";
systemd.timers.nix-gc.timerConfig = { WakeSystem = true; };
systemd.services.nix-gc.postStop =
lib.mkIf (!config.server) "systemctl suspend";
# Update the system daily
system.autoUpgrade = {
enable = config.server; # Only auto upgrade servers
dates = "03:33";
flake = "git+${config.dotfilesRepo}";
randomizedDelaySec = "45min";
operation = "switch";
allowReboot = config.server; # Reboot servers
rebootWindow = {
lower = "00:01";
upper = "06:00";
};
};
systemd.services."notify-email@" =
let address = "system@${config.mail.server}";
in {
enable = config.mail.enable;
environment.SERVICE_ID = "%i";
script = ''
TEMPFILE=$(mktemp)
echo "From: ${address}" > $TEMPFILE
echo "To: ${address}" >> $TEMPFILE
echo "Subject: Failure in $SERVICE_ID" >> $TEMPFILE
echo -e "\nGot an error with $SERVICE_ID\n\n" >> $TEMPFILE
set +e
systemctl status $SERVICE_ID >> $TEMPFILE
set -e
${pkgs.msmtp}/bin/msmtp \
--file=${config.homePath}/.config/msmtp/config \
--account=system \
${address} < $TEMPFILE
'';
};
systemd.services.nixos-upgrade.onFailure =
lib.mkIf config.systemd.services."notify-email@".enable
[ "notify-email@%i.service" ];
};
}