75 lines
2.4 KiB
Nix
75 lines
2.4 KiB
Nix
{ pkgs, ... }:
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let
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readlink = "${pkgs.coreutils}/bin/readlink";
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notify-send = "${pkgs.libnotify}/bin/notify-send";
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in {
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systemd = {
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services = {
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tailscale-autoconnect = {
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description = "Automatic connection to Tailscale";
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# make sure tailscale is running before trying to connect to tailscale
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after = [ "network-pre.target" "tailscale.service" ];
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wants = [ "network-pre.target" "tailscale.service" ];
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wantedBy = [ "multi-user.target" ];
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# set this service as a oneshot job
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serviceConfig.Type = "oneshot";
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# have the job run this shell script
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script = with pkgs; ''
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# wait for tailscaled to settle
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sleep 2
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# check if we are already authenticated to tailscale
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status="$(${tailscale}/bin/tailscale status -json | ${jq}/bin/jq -r .BackendState)"
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if [ $status = "Running" ]; then # if so, then do nothing
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exit 0
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fi
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# otherwise authenticate with tailscale
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${tailscale}/bin/tailscale up --operator=don --authkey tskey-api-kDQcva6CNTRL-kvcJzSix6yLb2dgjr1Pi
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'';
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};
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clean-keychain = {
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description = "Clean up .keychain on boot";
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkgs.coreutils-full}/bin/rm -rf /home/don/.keychain";
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};
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};
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};
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user = {
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services = {
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detect-reboot-for-upgrade = {
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script = ''
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set -eu -o pipefail
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booted="$(${readlink} /run/booted-system/{initrd,kernel,kernel-modules})"
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built="$(${readlink} /nix/var/nix/profiles/system/{initrd,kernel,kernel-modules})"
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if [[ "''${booted}" != "''${built}" ]];
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then
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echo "Looks like we need a reboot!"
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${notify-send} --urgency=low --icon=system-reboot "Reboot is needed for a NixOS upgrade."
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fi
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'';
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serviceConfig = {
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Type = "oneshot";
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};
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};
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};
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timers = {
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detect-reboot-for-upgrade = {
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wantedBy = [ "timers.target" ];
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partOf = [ "detect-reboot-for-upgrade.service" ];
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timerConfig = {
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OnCalendar = "hourly";
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Unit = "detect-reboot-for-upgrade.service";
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};
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};
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};
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};
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};
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}
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