VEGAS: add nar-serve

flake.lock

@@ -58,6 +58,21 @@
         "type": "github"
       }
     },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1623875721,
+        "narHash": "sha256-A8BU7bjS5GirpAUv4QA+QnJ4CceLHkcXdRp4xITDB0s=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "f7e004a55b120c02ecb6219596820fcd32ca8772",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -116,6 +131,27 @@
         "type": "github"
       }
     },
+    "nar-serve": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1626443268,
+        "narHash": "sha256-LAsxgaWKTxOVZVpNrUG9ZrHMnzNMKKxKciVitxdgylE=",
+        "owner": "numtide",
+        "repo": "nar-serve",
+        "rev": "84a77d8ab3ddec9d8090d2f0bc6718484e2d94ea",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "nar-serve",
+        "type": "github"
+      }
+    },
     "nix-super": {
       "inputs": {
         "nix": [
@@ -179,6 +215,7 @@
         "deploy-rs": "deploy-rs",
         "home-manager": "home-manager",
         "naersk": "naersk",
+        "nar-serve": "nar-serve",
         "nix-super": "nix-super",
         "nix-super-unstable-repin": "nix-super-unstable-repin",
         "nixpkgs": "nixpkgs"

flake.nix

@@ -23,6 +23,9 @@
 
     agenix.url = "github:ryantm/agenix";
     agenix.inputs.nixpkgs.follows = "nixpkgs";
+
+    nar-serve.url = "github:numtide/nar-serve";
+    nar-serve.inputs.nixpkgs.follows = "nixpkgs";
   };
   outputs = { self, nixpkgs, home-manager, ... }@inputs:
     let

hosts/VEGAS/services/nix/nar-serve.nix

@@ -0,0 +1,13 @@
+{ inputs, pkgs, tools, ... }:
+
+{
+  systemd.services.nar-serve = {
+    enable = true;
+    serviceConfig = {
+      DynamicUser = true;
+      User = "nar-serve";
+    };
+    script = "${inputs.nar-serve.defaultPackage."${pkgs.system}"}/bin/nar-serve";
+    environment.NAR_CACHE_URL = "https://cache.${tools.meta.domain}";
+  };
+}

hosts/VEGAS/system.nix

@@ -30,6 +30,7 @@
       ./services/mail
       ./services/matrix
       ./services/nix/binary-cache.nix
+      ./services/nix/nar-serve.nix
       ./services/object-storage
       ./services/warehouse
       ./services/websites