WIP: flake.nix: create debian vm test

.gitignore

@@ -9,6 +9,7 @@ result-*
 
 # Nix VM
 *.qcow2
+.nixos-test-history
 
 # Packaging
 !/assets/debian/config.toml

flake.lock

@@ -15,6 +15,26 @@
         "type": "github"
       }
     },
+    "nix-vm-test": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1763976673,
+        "narHash": "sha256-QPeI8WR+brwodiy4YNfOnLI7rOHJfFPrGm+xT/HmtT4=",
+        "owner": "numtide",
+        "repo": "nix-vm-test",
+        "rev": "8611bdd7a49750a880be9ee2ea9f68c53f8c9299",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "nix-vm-test",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1768127708,
@@ -34,6 +54,7 @@
     "root": {
       "inputs": {
         "crane": "crane",
+        "nix-vm-test": "nix-vm-test",
         "nixpkgs": "nixpkgs",
         "rust-overlay": "rust-overlay"
       }

flake.nix

@@ -6,9 +6,12 @@
     rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
 
     crane.url = "github:ipetkov/crane";
+
+    nix-vm-test.url = "github:numtide/nix-vm-test";
+    nix-vm-test.inputs.nixpkgs.follows = "nixpkgs";
   };
 
-  outputs = { self, nixpkgs, rust-overlay, crane }:
+  outputs = { self, nixpkgs, rust-overlay, crane, nix-vm-test }:
   let
     inherit (nixpkgs) lib;
 
@@ -95,6 +98,8 @@
       muscl = import ./nix/module.nix;
     };
 
+    # vmlib = forAllSystems(system: _: _: nix-vm-test.lib.${system});
+
     packages = forAllSystems (system: pkgs: _:
       let
       cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
@@ -130,6 +135,8 @@
       filteredSource = pkgs.runCommandLocal "filtered-source" { } ''
         ln -s ${src} $out
       '';
+
+      debianVm = import ./nix/debian-vm-configuration.nix { inherit nix-vm-test nixpkgs system pkgs; };
     });
 
     checks = forAllSystems (system: pkgs: _: {

nix/debian-vm-configuration.nix

@@ -0,0 +1,49 @@
+{ nix-vm-test, nixpkgs, system, pkgs, ... }:
+let
+  image = nix-vm-test.lib.${system}.debian.images."13";
+
+  generic = import "${nix-vm-test}/generic" { inherit pkgs nixpkgs; inherit (pkgs) lib; };
+
+  makeVmTestForImage =
+    image:
+    {
+      testScript,
+      sharedDirs ? {},
+      diskSize ? null,
+      config ? { }
+    }:
+    generic.makeVmTest {
+      inherit
+        system
+        testScript
+        sharedDirs;
+      image = nix-vm-test.lib.${system}.debian.prepareDebianImage {
+        inherit diskSize;
+        hostPkgs = pkgs;
+        originalImage = image;
+      };
+      machineConfigModule = config;
+    };
+
+    vmTest = makeVmTestForImage image {
+       diskSize = "10G";
+       sharedDirs = {
+         debDir = {
+           source = "${./.}";
+           target = "/mnt";
+         };
+       };
+       testScript = ''
+         vm.wait_for_unit("multi-user.target")
+         vm.succeed("apt-get update && apt-get -y install mariadb-server build-essential curl")
+         vm.succeed("curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y")
+         vm.succeed("source /root/.cargo/env && cargo install cargo-deb")
+         vm.succeed("cp -r /mnt /root/src && chmod -R +w /root/src")
+         vm.succeed("source /root/.cargo/env && cd /root/src && ./create-deb.sh")
+       '';
+       config.nodes.vm = {
+         virtualisation.memorySize = 8192;
+         virtualisation.cpus = 4;
+       };
+    };
+in vmTest.driverInteractive