Split into flakes + common colmena file

colmena.nix

@@ -0,0 +1,33 @@
+{
+    inputs = {
+        nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+    };
+    outputs = { nixpkgs, ... }: {
+        colmena = {
+            meta = {
+                nixpkgs = import nixpkgs {
+                    system = "x86_64-linux";
+                    overlays = [];
+                };
+            };
+
+            # needed ?
+            #
+            # deployment = {
+            #   targetHost = "somehost.tld";
+            #   targetPort = 1234;
+            #   targetUser = "luser";
+            # };
+
+            git-system = { name, nodes, pkgs, ... }: {
+                import = "git_system.nix";
+            };
+            runner-system = { name, nodes, pkgs, ... }: {
+                import = "runner_system.nix";
+            };
+            dev-system = { name, nodes, pkgs, ... }: {
+                import = "dev_system.nix";
+            };
+        };
+    };
+}

dev_system.nix

@@ -11,13 +11,12 @@ let
     srv = cfg.settings.server;
 in
 {
-  system.stateVersion = "24.11";
-
-  nix = {
-    settings = {
-      experimental-features = [ "nix-command" "flakes" ];
-    };
-  };
+    imports = [
+        "shared/system.nix"
+        "shared/dev_user.nix"
+        "shared/docker.nix"
+        "shared/ssh.nix"
+    ];
 
     users.users = {
         # connection only via ssh key
@@ -28,34 +27,5 @@ in
             extraGroups = [ "docker" ];
             openssh.authorizedKeys.keys = [ "TODO" ];
         };
-
-    # connection only via hashed password;
-    dev = {
-      isNormalUser = true;
-      home = "/home/dev";
-      description = "User used to manually connect to this system (e.g. for maintenance)";
-      extraGroups = [ "docker" "wheel" ];
-      hashesPassword = "TODO";
-    }
-  };
-
-  environment.systemPackages = with pkgs; [
-    git
-  ];
-
-  virtualisation.docker = {
-    enable = true;
-  };
-
-  services = {
-    endlessh = {
-      enable = true;
-      port = 22;
-    };
-
-    openssh = {
-      enable = true;
-      ports = [ 23 ];
-    };
     };
 }

git_system.nix

@@ -11,49 +11,19 @@ let
     srv = cfg.settings.server;
 in
 {
-  system.stateVersion = "24.11";
-
-  nix = {
-    settings = {
-      experimental-features = [ "nix-command" "flakes" ];
-    };
-  };
-
-  environment.systemPackages = with pkgs; [
-    git
+    imports = [
+        "shared/system.nix"
+        "shared/dev_user.nix"
+        "shared/docker.nix"
+        "shared/ssh.nix"
     ];
 
-  users.users = {
-    # connection only via hashed password;
-    dev = {
-      isNormalUser = true;
-      home = "/home/dev";
-      description = "User used to manually connect to this system (e.g. for maintenance)";
-      extraGroups = [ "docker" "wheel" ];
-      hashesPassword = "TODO";
-    }
-  };
-
-  virtualisation.docker = {
-    enable = true;
-  };
-
     security.acme = {
         defaults.email = "michael.huebner@ptspaper.de";
         acceptTerms = true;
     };
 
     services = {
-    endlessh = {
-      enable = true;
-      port = 22;
-    };
-
-    openssh = {
-      enable = true;
-      ports = [ 23 ];
-    };
-
         nginx = {
             enable = true;
             virtualHosts.${srv.DOMAIN} = {

runner_system.nix

@@ -11,45 +11,14 @@ let
     srv = cfg.settings.server;
 in
 {
-  system.stateVersion = "24.11";
-
-  nix = {
-    settings = {
-      experimental-features = [ "nix-command" "flakes" ];
-    };
-  };
-
-  environment.systemPackages = with pkgs; [
-    git
-    forgejo-runner
+    imports = [
+        "shared/system.nix"
+        "shared/dev_user.nix"
+        "shared/docker.nix"
+        "shared/ssh.nix"
     ];
 
-  users.users = {
-    # connection only via hashed password;
-    dev = {
-      isNormalUser = true;
-      home = "/home/dev";
-      description = "User used to manually connect to this system (e.g. for maintenance)";
-      extraGroups = [ "docker" "wheel" ];
-      hashesPassword = "TODO";
-    }
-  };
-
-  virtualisation.docker = {
-    enable = true;
-  };
-
     services = {
-    endlessh = {
-      enable = true;
-      port = 22;
-    };
-
-    openssh = {
-      enable = true;
-      ports = [ 23 ];
-    };
-
         # TODO: forgejo runner
         gitea-actions-runner = {
         package = pkgs.forgejo-actions-runner;

shared/dev_user.nix

@@ -0,0 +1,13 @@
+{ config, lib, pkgs, modulesPath, ... }:
+{
+    users.users = {
+        # connection only via hashed password;
+        dev = {
+            isNormalUser = true;
+            home = "/home/dev";
+            description = "User used to manually connect to this system (e.g. for maintenance)";
+            extraGroups = [ "docker" "wheel" ];
+            hashesPassword = "TODO";
+        }
+    };
+}

shared/docker.nix

@@ -0,0 +1,6 @@
+{ config, lib, pkgs, modulesPath, ... }:
+{
+    virtualisation.docker = {
+        enable = true;
+    };
+}

shared/ssh.nix

@@ -0,0 +1,14 @@
+{ config, lib, pkgs, modulesPath, ... }:
+{
+    services = {
+        endlessh = {
+            enable = true;
+            port = 22;
+        };
+
+        openssh = {
+            enable = true;
+            ports = [ 23 ];
+        };
+    };
+}

shared/system.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, modulesPath, ... }:
+{
+    system = "x86_64-linux";
+    system.stateVersion = "24.11";
+
+    nix = {
+        settings = {
+            experimental-features = [ "nix-command" "flakes" ];
+        };
+    };
+
+    environment.systemPackages = with pkgs; [
+        git
+    ];
+}