add ipfs service

modules/module-list.nix

@@ -53,6 +53,7 @@
   ./services/emacs.nix
   ./services/gitlab-runner.nix
   ./services/hercules-ci-agent
+  ./services/ipfs.nix
   ./services/karabiner-elements
   ./services/khd
   ./services/kwm

modules/services/ipfs.nix

@@ -0,0 +1,70 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.ipfs;
+
+in
+{
+  meta.maintainers = [ "jmmaloney4" ];
+
+  options.services.ipfs = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Whether to enable the ipfs daemon.";
+      };
+
+      package = mkOption {
+        type = types.path;
+        default = pkgs.kubo;
+        # defaultText = "pkgs.kubo";
+        description = ''
+          The ipfs package to use.
+        '';
+      };
+
+      logFile = mkOption {
+        type = types.nullOr types.path;
+        default = null;
+        example =  "/var/tmp/lorri.log";
+        description = ''
+          The logfile to use for the ipfs service. Alternatively
+          <command>sudo launchctl debug system/org.nixos.ipfs --stderr</command>
+          can be used to stream the logs to a shell after restarting the service with
+          <command>sudo launchctl kickstart -k system/org.nixos.ipfs</command>.
+        '';
+      };
+
+      ipfsPath = mkOption {
+        type = types.nullOr types.path;
+        default = null;
+        description = "Set the IPFS_PATH environment variable.";
+      };
+
+      enableGarbageCollection = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Passes --enable-gc flag to ipfs daemon.";
+      };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = [ pkgs.kubo ];
+    launchd.user.agents.ipfs = {
+      # command = with pkgs; "${ipfs}/bin/ipfs daemon";
+      serviceConfig = {
+        ProgramArguments = [ "${cfg.package}/bin/ipfs" "daemon" ]
+          ++ optionals (cfg.enableGarbageCollection) [ "--enable-gc" ];
+        KeepAlive = true;
+        RunAtLoad = true;
+        ProcessType = "Background";
+        StandardOutPath = cfg.logFile;
+        StandardErrorPath = cfg.logFile;
+        EnvironmentVariables = {} // (optionalAttrs (cfg.ipfsPath != null) { IPFS_PATH = cfg.ipfsPath; });
+      };
+    };
+  };
+}