add blogbox target

nixos/modules/services/cloud-init.nix

@@ -0,0 +1,71 @@
+{ config, lib, ... }:
+let
+  cfg = config.alisceon.cloud-init;
+  defaultShell =
+    if cfg.defaultShell != null then
+      cfg.defaultShell
+    else
+      lib.getExe config.users.users.${cfg.user}.shell;
+in
+{
+  options.alisceon.cloud-init = {
+    enable = lib.mkEnableOption "shared cloud-init defaults";
+
+    user = lib.mkOption {
+      type = lib.types.str;
+      default = "alisceon";
+      description = "Default cloud-init user to configure.";
+    };
+
+    gecos = lib.mkOption {
+      type = lib.types.str;
+      default = "Alisceon";
+      description = "GECOS field for the default cloud-init user.";
+    };
+
+    groups = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      default = [
+        "wheel"
+        "systemd-journal"
+      ];
+      description = "Groups assigned to the default cloud-init user.";
+    };
+
+    defaultShell = lib.mkOption {
+      type = lib.types.nullOr lib.types.str;
+      default = null;
+      description = "Shell path for the default cloud-init user.";
+    };
+
+    datasourceList = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      default = [
+        "Oracle"
+        "ConfigDrive"
+        "NoCloud"
+      ];
+      description = "cloud-init datasources to allow.";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    networking.useNetworkd = lib.mkDefault true;
+
+    services.cloud-init = {
+      enable = true;
+      network.enable = true;
+      settings = {
+        datasource_list = cfg.datasourceList;
+        users = [ "default" ];
+        system_info.default_user = {
+          name = cfg.user;
+          gecos = cfg.gecos;
+          groups = cfg.groups;
+          shell = defaultShell;
+          lock_passwd = true;
+        };
+      };
+    };
+  };
+}