atop: Add basic config option for /etc/atoprc

1 files changed, 36 insertions, 0 deletions

diff --git a/modules/programs/atop.nix b/modules/programs/atop.nix
new file mode 100644
index 00000000000..7fdaab9d67d
--- /dev/null
+++ b/modules/programs/atop.nix
@@ -0,0 +1,36 @@
+# Global configuration for atop.
+
+{config, pkgs, ...}:
+
+with pkgs.lib;
+
+let cfg = config.programs.atop;
+
+in
+{
+  ###### interface
+
+  options = {
+
+    programs.atop = {
+
+      settings = mkOption {
+        type = types.attrs;
+        default = {};
+        example = {
+          flags = "a1f";
+          interval = 5;
+        };
+        description = ''
+          Parameters to be written to <filename>/etc/atoprc</filename>
+        '';
+      };
+
+    };
+  };
+
+  config = mkIf (cfg.settings != {}) {
+    environment.etc."atoprc".text =
+      concatStrings (mapAttrsToList (n: v: "${n} ${toString v}\n") cfg.settings);
+  };
+}