116 lines
3.1 KiB
Nix
116 lines
3.1 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.services.autopull;
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# autopull-type = lib.types.submodule { #
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autopull-type =
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with lib.types;
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attrsOf (
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submodule (
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{ name, ... }:
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{
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options = {
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enable = lib.mkEnableOption "autopull repo";
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repo-name = lib.mkOption {
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type = lib.types.str;
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default = name;
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description = "A name for the service which needs to be pulled";
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};
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path = lib.mkOption {
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type = lib.types.path;
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description = "Path that needs to be updated via git pull";
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};
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frequency = lib.mkOption {
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type = lib.types.str;
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description = "systemd-timer compatible time between pulls";
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default = "1h";
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};
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ssh-key = lib.mkOption {
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type = lib.types.str;
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default = "";
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description = "ssh-key used to pull the repository";
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};
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triggers-rebuild = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Whether or not the rebuild service should be triggered after pulling. Note that system.autoUpgrade must be pointed at the same directory as this service if you'd like to use this option.";
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};
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};
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}
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)
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);
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in
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{
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options = {
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services.autopull = {
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enable = lib.mkEnableOption "autopull";
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repo = lib.mkOption { type = autopull-type; };
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};
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};
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config =
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let
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repos = lib.filterAttrs (_: { enable, ... }: enable == true) cfg.repo;
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in
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lib.mkIf cfg.enable {
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environment.systemPackages =
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[ pkgs.git ]
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++ lib.optionals (lib.any (ssh-key: ssh-key != "") (lib.rad-dev.mapGetAttr "ssh-key" repos)) [
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pkgs.openssh
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];
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systemd.services = lib.mapAttrs' (
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repo:
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{
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repo-name,
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ssh-key,
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path,
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triggers-rebuild,
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...
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}:
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lib.nameValuePair "autopull@${repo-name}" {
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requires = [ "multi-user.target" ];
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wants = lib.optionals (triggers-rebuild) [ "nixos-service.service" ];
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after = [ "multi-user.target" ];
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before = lib.optionals (triggers-rebuild) [ "nixos-upgrade.service" ];
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description = "Pull the latest data for ${repo-name}";
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environment = lib.mkIf (ssh-key != "") {
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GIT_SSH_COMMAND = "${pkgs.openssh}/bin/ssh -i ${ssh-key} -o IdentitiesOnly=yes";
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};
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serviceConfig = {
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Type = "oneshot";
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User = "root";
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WorkingDirectory = path;
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ExecStart = "${pkgs.git}/bin/git pull --all";
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};
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}
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) repos;
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systemd.timers = lib.mapAttrs' (
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repo:
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{ repo-name, frequency, ... }:
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lib.nameValuePair "autopull@${repo-name}" {
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnBootSec = frequency;
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OnUnitActiveSec = frequency;
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Unit = "autopull@${repo-name}.service";
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};
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}
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) repos;
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};
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}
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