vspd: init at 1.4.0

2025-12-02 23:54:40 -08:00
parent f811e25422
commit f50f03e9e7
6 changed files with 197 additions and 1 deletions
@@ -0,0 +1,83 @@
+{ config, lib, pkgs, ... }:
+
+let
+  dcrdEnabled = config.services.dcrd.enable or false;
+  cfg = config.services.vspd;
+in {
+  options.services.vspd = with lib; {
+    enable = mkEnableOption "Voting Service Provider Daemon";
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.vspd;
+      description = "vspd package to use";
+    };
+
+    user = mkOption {
+      type = types.str;
+      default = "vspd";
+      description = "User to run vspd as";
+    };
+
+    group = mkOption {
+      type = types.str;
+      default = cfg.user;
+      description = "Group to run vspd as";
+    };
+
+    dataDir = mkOption {
+      type = types.path;
+      default = "/var/lib/vspd";
+      description = "State directory for vspd";
+    };
+
+    configFile = mkOption {
+      type = types.path;
+      description = "Path to vspd.conf";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    users.users.${cfg.user} = {
+      group = cfg.group;
+      home = cfg.dataDir;
+      isSystemUser = true;
+      description = "vspd user";
+      # vspd needs read access to the dcrd RPC certificate
+      extraGroups = lib.optional (dcrdEnabled && config.services.dcrd.group != cfg.group) config.services.dcrd.group;
+    };
+
+    users.groups.${cfg.group} = {};
+
+    systemd.services.vspd = {
+      description = "Voting Service Provider Daemon";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network-online.target" ];
+      wants = [ "network-online.target" ];
+
+      serviceConfig = {
+        User = cfg.user;
+        Group = cfg.group;
+        StateDirectory = "vspd";
+        StateDirectoryMode = "0750";
+        WorkingDirectory = cfg.dataDir;
+        # Link the provided config file to the expected location in homedir
+        ExecStartPre = "${pkgs.writeShellScript "vspd-pre-start" ''
+          set -e
+          ln -sf ${cfg.configFile} ${cfg.dataDir}/vspd.conf
+          mkdir -p ${cfg.dataDir}/internal/webapi
+          if [ ! -e "${cfg.dataDir}/internal/webapi/public" ]; then
+            ln -sfn "${cfg.package}/share/vspd/internal/webapi/public" "${cfg.dataDir}/internal/webapi/public"
+          fi
+          if [ ! -e "${cfg.dataDir}/internal/webapi/templates" ]; then
+            ln -sfn "${cfg.package}/share/vspd/internal/webapi/templates" "${cfg.dataDir}/internal/webapi/templates"
+          fi
+        ''}";
+        ExecStart = "${lib.getExe cfg.package} --homedir=${cfg.dataDir}";
+        Restart = "on-failure";
+        RestartSec = "10s";
+      };
+    };
+  };
+}
+