feat: Add template for terranix (#43)

.github/workflows/build.yml

@@ -58,7 +58,7 @@ jobs:
     needs: [build]
     strategy:
       matrix:
-        template: [default, devenv]
+        template: [default, devenv, terranix]
     steps:
       - name: Checkout code
         uses: actions/checkout@v4

README.md

@@ -76,14 +76,15 @@ outputs = { self, flake-utils, nixpkgs-terraform, nixpkgs }:
   flake-utils.lib.eachDefaultSystem (system:
     let
       pkgs = nixpkgs.legacyPackages.${system};
-      terraform = nixpkgs-terraform.packages.${system}."1.6.3";
+      terraform = nixpkgs-terraform.packages.${system}."X.Y.Z";
     in
     {
       devShells.default = pkgs.mkShell {
         buildInputs = [ terraform ];
       };
     });
 ```
+where `X.Y.Z` is one of the supported versions in the `versions.json` file.
 
 #### As an overlay
 
@@ -98,10 +99,11 @@ outputs = { self, flake-utils, nixpkgs-terraform, nixpkgs }:
     in
     {
       devShells.default = pkgs.mkShell {
-        buildInputs = [ pkgs.terraform-versions."1.6.3" ];
+        buildInputs = [ pkgs.terraform-versions."X.Y.Z" ];
       };
     });
 ```
+where `X.Y.Z` is one of the supported versions in the `versions.json` file.
 
 Start a new [nix-shell] with Terraform in scope by running the following
 command:
@@ -122,6 +124,7 @@ This flake provides the following templates:
 - [default](templates/default) - Simple nix-shell with Terraform installed via
   nixpkgs-terraform.
 - [devenv](templates/devenv) - Using nixpkgs-terraform with devenv.
+- [terranix](templates/terranix) - Using nixpkgs-terraform with terranix.
 
 Run the following command to scaffold a new project using a template:
 

flake.nix

@@ -72,6 +72,10 @@
           description = "Using nixpkgs-terraform with devenv";
           path = ./templates/devenv;
         };
+        terranix = {
+          description = "Using nixpkgs-terraform with terranix";
+          path = ./templates/terranix;
+        };
       };
 
       lib = import ./lib;

templates/default/flake.nix

@@ -1,24 +1,30 @@
 {
   inputs = {
-    flake-utils.url = "github:numtide/flake-utils";
     nixpkgs-terraform.url = "github:stackbuilders/nixpkgs-terraform";
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    systems.url = "github:nix-systems/default";
   };
 
   nixConfig = {
     extra-substituters = "https://nixpkgs-terraform.cachix.org";
     extra-trusted-public-keys = "nixpkgs-terraform.cachix.org-1:8Sit092rIdAVENA3ZVeH9hzSiqI/jng6JiCrQ1Dmusw=";
   };
 
-  outputs = { self, flake-utils, nixpkgs-terraform, nixpkgs }:
-    flake-utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = nixpkgs.legacyPackages.${system};
-        terraform = nixpkgs-terraform.packages.${system}."1.7.2";
-      in
-      {
-        devShells.default = pkgs.mkShell {
-          buildInputs = [ terraform ];
-        };
-      });
+  outputs = { self, nixpkgs-terraform, nixpkgs, systems }:
+    let
+      forEachSystem = nixpkgs.lib.genAttrs (import systems);
+    in
+    {
+      devShells = forEachSystem
+        (system:
+          let
+            pkgs = nixpkgs.legacyPackages.${system};
+            terraform = nixpkgs-terraform.packages.${system}."1.7.4";
+          in
+          {
+            default = pkgs.mkShell {
+              buildInputs = [ terraform ];
+            };
+          });
+    };
 }

templates/devenv/flake.nix

@@ -1,31 +1,37 @@
 {
   inputs = {
     devenv.url = "github:cachix/devenv";
-    flake-utils.url = "github:numtide/flake-utils";
     nixpkgs-terraform.url = "github:stackbuilders/nixpkgs-terraform";
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    systems.url = "github:nix-systems/default";
   };
 
   nixConfig = {
     extra-substituters = "https://nixpkgs-terraform.cachix.org";
     extra-trusted-public-keys = "nixpkgs-terraform.cachix.org-1:8Sit092rIdAVENA3ZVeH9hzSiqI/jng6JiCrQ1Dmusw=";
   };
 
-  outputs = inputs@{ self, devenv, flake-utils, nixpkgs-terraform, nixpkgs }:
-    flake-utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = nixpkgs.legacyPackages.${system};
-        terraform = nixpkgs-terraform.packages.${system}."1.7.2";
-      in
-      {
-        devShells.default = devenv.lib.mkShell {
-          inherit inputs pkgs;
-          modules = [
-            ({ pkgs, config, ... }: {
-              languages.terraform.enable = true;
-              languages.terraform.package = terraform;
-            })
-          ];
-        };
-      });
+  outputs = inputs@{ self, devenv, nixpkgs-terraform, nixpkgs, systems }:
+    let
+      forEachSystem = nixpkgs.lib.genAttrs (import systems);
+    in
+    {
+      devShells = forEachSystem
+        (system:
+          let
+            pkgs = nixpkgs.legacyPackages.${system};
+            terraform = nixpkgs-terraform.packages.${system}."1.7.4";
+          in
+          {
+            default = devenv.lib.mkShell {
+              inherit inputs pkgs;
+              modules = [
+                ({ pkgs, config, ... }: {
+                  languages.terraform.enable = true;
+                  languages.terraform.package = terraform;
+                })
+              ];
+            };
+          });
+    };
 }

templates/terranix/config.nix

@@ -0,0 +1,17 @@
+# Example config.nix from https://terranix.org/documentation/getting-started.html, 
+# Make sure to update it with your own resources before applying.
+{ ... }:
+{
+  resource.hcloud_server.nginx = {
+    name = "terranix.nginx";
+    image  = "debian-10";
+    server_type = "cx11";
+    backups = false;
+  };
+  resource.hcloud_server.test = {
+    name = "terranix.test";
+    image  = "debian-9";
+    server_type = "cx11";
+    backups = true;
+  };
+}

templates/terranix/flake.nix

@@ -0,0 +1,37 @@
+{
+  inputs = {
+    nixpkgs-terraform.url = "github:stackbuilders/nixpkgs-terraform";
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    systems.url = "github:nix-systems/default";
+    terranix.url = "github:terranix/terranix";
+  };
+
+  nixConfig = {
+    extra-substituters = "https://nixpkgs-terraform.cachix.org";
+    extra-trusted-public-keys = "nixpkgs-terraform.cachix.org-1:8Sit092rIdAVENA3ZVeH9hzSiqI/jng6JiCrQ1Dmusw=";
+  };
+
+  outputs = { self, nixpkgs-terraform, nixpkgs, systems, terranix }:
+    let
+      forEachSystem = nixpkgs.lib.genAttrs (import systems);
+    in
+    {
+      packages = forEachSystem (system: {
+        default = terranix.lib.terranixConfiguration {
+        inherit system;
+        modules = [ ./config.nix ];
+      };
+      });
+      devShells = forEachSystem
+        (system:
+          let
+            pkgs = nixpkgs.legacyPackages.${system};
+            terraform = nixpkgs-terraform.packages.${system}."1.7.4";
+          in
+          {
+            default = pkgs.mkShell {
+              buildInputs = [ terraform pkgs.terranix];
+            };
+          });
+    };
+}