refactor(modules): Add host-info as nixosModules

Author: MartinNikov

modules/default.nix

@@ -6,5 +6,6 @@
     ./pyroscope
     ./folder-size-metrics
     ./shard-split
+    ./host-info.nix
   ];
 }

modules/host-info.nix

@@ -1,50 +1,62 @@
-{
-  config,
-  lib,
-  ...
-}: {
-  options.mcl.host-info = with lib; {
-    type = mkOption {
-      type = types.nullOr (types.enum ["desktop" "server"]);
-      default = null;
-      example = ["desktop"];
-      description = ''
-        Whether this host is a desktop or a server.
-      '';
-    };
+{withSystem, ...}: {
+  flake.nixosModules.mcl-host-info = {
+    config,
+    lib,
+    ...
+  }: {
+    options.mcl.host-info = with lib; {
+      type = mkOption {
+        type = types.nullOr (types.enum ["desktop" "server" "container"]);
+        default = null;
+        example = ["desktop"];
+        description = ''
+          Whether this host is a desktop or a server.
+        '';
+      };
 
-    isVM = mkOption {
-      type = types.nullOr types.bool;
-      default = null;
-      example = ["false"];
-      description = ''
-        Whether this configuration is a VM variant.
-      '';
-    };
+      isDebugVM = mkOption {
+        type = types.nullOr types.bool;
+        default = null;
+        example = ["false"];
+        description = ''
+          Whether this configuration is a VM variant with extra debug
+          functionality.
+        '';
+      };
+
+      configPath = mkOption {
+        type = types.nullOr types.path;
+        default = null;
+        example = ["machines/server/solunska-server"];
+        description = ''
+          The configuration path for this host relative to the repo root.
+        '';
+      };
 
-    configPath = mkOption {
-      type = types.nullOr types.string;
-      default = null;
-      example = ["machines/server/solunska-server"];
-      description = ''
-        The configuration path for this host relative to the repo root.
-      '';
+      sshKey = mkOption {
+        type = types.nullOr types.str;
+        default = "";
+        example = "ssh-ed25519 AAAAC3Nza";
+        description = ''
+          The public ssh key for this host.
+        '';
+      };
+    };
+    config = {
+      assertions = [
+        {
+          assertion = config.mcl.host-info.type != null;
+          message = "mcl.host-info.type must be defined for every host";
+        }
+        {
+          assertion = config.mcl.host-info.isDebugVM != null;
+          message = "mcl.host-info.isDebugVM must be defined for every host";
+        }
+        {
+          assertion = config.mcl.host-info.configPath != null;
+          message = "mcl.host-info.configPath must be defined for every host";
+        }
+      ];
     };
-  };
-  config = {
-    assertions = [
-      {
-        assertion = config.mcl.host-info.type != null;
-        message = "mcl.host-info.type must be defined for every host";
-      }
-      {
-        assertion = config.mcl.host-info.isVM != null;
-        message = "mcl.host-info.isVM must be defined for every host";
-      }
-      {
-        assertion = config.mcl.host-info.configPath != null;
-        message = "mcl.host-info.configPath must be defined for every host";
-      }
-    ];
   };
 }