feat: adds local vm setup that can reach each other

Makefile

@@ -84,3 +84,38 @@ build-mo:
 
 release:
 	@goreleaser release --clean
+
+CLIENT_VM := abra-client
+vm-client-status:
+	sudo systemctl status microvm@$(CLIENT_VM).service
+vm-client-create:
+	sudo microvm -f git+file://$$(pwd) -c $(CLIENT_VM)
+vm-client-start:
+	sudo systemctl start microvm@$(CLIENT_VM).service
+vm-client-update:
+	sudo microvm -R -f git+file://$$(pwd) -u $(CLIENT_VM) 
+vm-client-run:
+	sudo microvm -f git+file://$$(pwd) -r $(CLIENT_VM)
+vm-client-stop:
+	sudo systemctl stop microvm@$(CLIENT_VM)
+vm-client-delete: vm-client-stop
+	sudo rm -rf /var/lib/microvms/$(CLIENT_VM)
+
+SERVER_VM := abra-server
+vm-server-status:
+	sudo systemctl status microvm@$(SERVER_VM).service
+vm-server-create:
+	sudo microvm -f git+file://$$(pwd) -c $(SERVER_VM)
+vm-server-start:
+	sudo systemctl start microvm@$(SERVER_VM).service
+vm-server-update:
+	sudo microvm -R -f git+file://$$(pwd) -u $(SERVER_VM) 
+vm-server-run:
+	sudo microvm -f git+file://$$(pwd) -r $(SERVER_VM)
+vm-server-stop:
+	sudo systemctl stop microvm@$(SERVER_VM)
+vm-server-delete: vm-stop
+	sudo rm -rf /var/lib/microvms/$(SERVER_VM)
+
+test-integration:
+	ssh-keygen -t ed25519 -f ./test-integration -q -N "" -C "abra integration test"

flake.lock

@@ -18,6 +18,48 @@
         "type": "github"
       }
     },
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1785119570,
+        "narHash": "sha256-Rgs2xKnGLFWQscxUaXX07oyZeuMDOHEbqDOsgliLFGM=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "d4fd24667c8cbef124bb70a20380cab75ec8474d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-26.05",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "microvm": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "spectrum": "spectrum"
+      },
+      "locked": {
+        "lastModified": 1784666190,
+        "narHash": "sha256-xgfS6slV7J3baMooNN1UuBi51RIgg9y0DbCxfSA0668=",
+        "owner": "astro",
+        "repo": "microvm.nix",
+        "rev": "fa5340ac684cdce8a22b6d4a0bcebb0cc999275e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "astro",
+        "repo": "microvm.nix",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1778443072,
@@ -37,9 +79,27 @@
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
+        "home-manager": "home-manager",
+        "microvm": "microvm",
         "nixpkgs": "nixpkgs"
       }
     },
+    "spectrum": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1783694892,
+        "narHash": "sha256-xO8f7Qng+18FK2UlB9vcrkxCaQMCt5WjCH24aW/11eg=",
+        "ref": "refs/heads/main",
+        "rev": "24c4346e30fdea8d8e80f34aec3554a15a667d24",
+        "revCount": 1410,
+        "type": "git",
+        "url": "https://spectrum-os.org/git/spectrum"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://spectrum-os.org/git/spectrum"
+      }
+    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,

flake.nix

@@ -3,35 +3,71 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    home-manager = {
+      url = "github:nix-community/home-manager/release-26.05";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     flake-utils.url = "github:numtide/flake-utils";
+    microvm = {
+      url = "github:astro/microvm.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =
     {
       self,
       nixpkgs,
+      microvm,
+      home-manager,
       flake-utils,
     }:
-    flake-utils.lib.eachDefaultSystem (
-      system:
-      let
-        pkgs = nixpkgs.legacyPackages.${system};
-      in
-      {
-        packages = rec {
-          abra = pkgs.callPackage ./package.nix { };
-          default = abra;
-        };
-        apps = rec {
-          abra = flake-utils.lib.mkApp { drv = self.packages.${system}.abra; };
-          default = abra;
-        };
-        devShells.default = pkgs.mkShell {
-          packages = with pkgs; [
-            go_1_26
-            gnumake
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+      publicKey = builtins.readFile ./test-integration.pub;
+      privateKey = builtins.readFile ./test-integration;
+    in
+    {
+      nixosConfigurations = {
+        abra-client = nixpkgs.lib.nixosSystem {
+          system = "x86_64-linux";
+          modules = [
+            microvm.nixosModules.microvm
+            home-manager.nixosModules.home-manager
+            ./nix/hosts/client/configuration.nix
           ];
+          specialArgs = { inherit publicKey privateKey; };
         };
-      }
-    );
+        abra-server = nixpkgs.lib.nixosSystem {
+          system = "x86_64-linux";
+          modules = [
+            microvm.nixosModules.microvm
+            ./nix/hosts/server/configuration.nix
+          ];
+          specialArgs = { inherit publicKey privateKey; };
+        };
+      };
+      packages = rec {
+        abra = pkgs.callPackage ./package.nix { };
+        default = abra;
+      };
+      apps = rec {
+        abra = flake-utils.lib.mkApp { drv = self.packages.${system}.abra; };
+        default = abra;
+      };
+      devShells.${system}.default = pkgs.mkShell {
+        # testing env variables
+        BATS_LIB_PATH = "~/.local/share/bats/";
+        TEST_SERVER = "abra.local";
+        ABRA_DIR = "$HOME/.abra_test";
+
+        packages = with pkgs; [
+          go_1_26
+          gnumake
+          gopls
+        ];
+      };
+
+    };
 }

nix/hosts/client/configuration.nix

@@ -0,0 +1,162 @@
+{
+  lib,
+  pkgs,
+  publicKey,
+  privateKey,
+  ...
+}:
+let
+  index = 2;
+  mac = "00:00:00:00:00:01";
+  serverIp = "10.0.0.3";
+in
+{
+  microvm = {
+    vcpu = 4;
+    mem = 2049; # see issue related in microvm repo with 2048, so add 1MB
+    interfaces = [
+      {
+        id = "vm${toString index}";
+        type = "tap";
+        inherit mac;
+      }
+    ];
+    shares = [
+      {
+        proto = "virtiofs";
+        tag = "repo";
+        # Source path can be absolute or relative
+        # to /var/lib/microvms/$hostName
+        source = "/home/dev/Documents/abra";
+        mountPoint = "/home/dev/abra";
+      }
+    ];
+  };
+
+  boot.tmp = {
+    useTmpfs = true;
+    tmpfsSize = "2G";
+  };
+
+  networking = {
+    hostName = "abra-client";
+    useNetworkd = true;
+  };
+  systemd.network.networks."10-eth" = {
+    matchConfig.MACAddress = mac;
+    # Static IP configuration
+    address = [
+      "10.0.0.${toString index}/32"
+      "fec0::${lib.toHexString index}/128"
+    ];
+    routes = [
+      {
+        # A route to the host
+        Destination = "10.0.0.0/32";
+        GatewayOnLink = true;
+      }
+      {
+        # Route to server
+        Destination = "${serverIp}/32";
+        Gateway = "10.0.0.0";
+        GatewayOnLink = true;
+      }
+      {
+        # Default route
+        Destination = "0.0.0.0/0";
+        Gateway = "10.0.0.0";
+        GatewayOnLink = true;
+      }
+      {
+        # Default route
+        Destination = "::/0";
+        Gateway = "fec0::";
+        GatewayOnLink = true;
+      }
+    ];
+    networkConfig = {
+      # DNS servers no longer come from DHCP nor Router
+      # Advertisements. Perhaps you want to change the defaults:
+      DNS = [
+        # Quad9.net
+        "9.9.9.9"
+        "149.112.112.112"
+        "2620:fe::fe"
+        "2620:fe::9"
+      ];
+    };
+  };
+
+  # open the ports to allow ssh access from the host
+  networking.firewall.allowedTCPPorts = [ 22 ];
+  networking.firewall.allowedUDPPorts = [ 22 ];
+
+  networking.extraHosts = ''
+    ${serverIp} abra.local
+    ${serverIp} app_check_bats.abra.local
+  '';
+
+  environment.variables = {
+    CGO_ENABLED = 0;
+    TEST_SERVER = "abra.local";
+    ABRA_DIR = "$HOME/.abra_test";
+  };
+
+  users.users.dev = {
+    isNormalUser = true;
+    password = "test";
+    home = "/home/dev";
+    description = "Alice Foobar";
+    extraGroups = [
+      "wheel"
+      "networkmanager"
+    ];
+    openssh.authorizedKeys.keys = [
+      publicKey
+    ];
+  };
+  # ssh agent with askpass
+  programs.ssh = {
+    startAgent = true;
+  };
+  services.openssh = {
+    enable = true;
+    settings = {
+      PasswordAuthentication = false;
+      PermitRootLogin = "no";
+      AllowUsers = [ "dev" ];
+    };
+  };
+  programs.git.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    # build dependencies, copied from flake.nix
+    go_1_26
+    gnumake
+    # testing dependencies
+    (bats.withLibraries (p: [
+      p.bats-assert
+      p.bats-file
+      p.bats-support
+    ]))
+    jq
+  ];
+
+  home-manager = {
+    useGlobalPkgs = true;
+    useUserPackages = true;
+    users.dev =
+      { ... }:
+      {
+        imports = [
+          ./home.nix
+        ];
+      };
+    # pass args to home-manager
+    extraSpecialArgs = {
+      publicKey = publicKey;
+      privateKey = privateKey;
+      serverIp = serverIp;
+    };
+  };
+}

nix/hosts/client/home.nix

@@ -0,0 +1,41 @@
+{
+  serverIp,
+  ...
+}:
+{
+  # Home Manager needs a bit of information about you and the
+  # paths it should manage.
+  home.username = "dev";
+  home.homeDirectory = "/home/dev";
+
+  # This value determines the Home Manager release that your
+  # configuration is compatible with. This helps avoid breakage
+  # when a new Home Manager release introduces backwards
+  # incompatible changes.
+  #
+  # You can update Home Manager without changing this value. See
+  # the Home Manager release notes for a list of state version
+  # changes in each release.
+  home.stateVersion = "26.05";
+
+  # Let Home Manager install and manage itself.
+  programs.home-manager.enable = true;
+  programs.ssh = {
+    enable = true;
+    enableDefaultConfig = false;
+    settings = {
+      "abra.local" = {
+        HostName = serverIp;
+        User = "dev";
+        Port = 22;
+        IdentityFile = "/home/dev/abra/test-integration";
+      };
+      "*.abra.local" = {
+        HostName = serverIp;
+        User = "dev";
+        Port = 22;
+        IdentityFile = "/home/dev/abra/test-integration";
+      };
+    };
+  };
+}

nix/hosts/server/configuration.nix

@@ -0,0 +1,116 @@
+{
+  lib,
+  publicKey,
+  ...
+}:
+let
+  index = 3;
+  mac = "00:00:00:00:00:02";
+  clientIp = "10.0.0.2";
+in
+{
+  microvm = {
+    vcpu = 2;
+    mem = 2049; # see issue related in microvm repo with 2048, so add 1MB
+    interfaces = [
+      {
+        id = "vm${toString index}";
+        type = "tap";
+        inherit mac;
+      }
+    ];
+  };
+
+  boot.tmp = {
+    useTmpfs = true;
+    tmpfsSize = "2G";
+  };
+
+  networking = {
+    hostName = "abra-server";
+    useNetworkd = true;
+  };
+  systemd.network.networks."11-eth" = {
+    matchConfig.MACAddress = mac;
+    # Static IP configuration
+    address = [
+      "10.0.0.${toString index}/32"
+      "fec0::${lib.toHexString index}/128"
+    ];
+    routes = [
+      {
+        # A route to the host
+        Destination = "10.0.0.0/32";
+        GatewayOnLink = true;
+      }
+      {
+        # Route to server
+        Destination = "${clientIp}/32";
+        Gateway = "10.0.0.0";
+        GatewayOnLink = true;
+      }
+      {
+        # Default route
+        Destination = "0.0.0.0/0";
+        Gateway = "10.0.0.0";
+        GatewayOnLink = true;
+      }
+      {
+        # Default route
+        Destination = "::/0";
+        Gateway = "fec0::";
+        GatewayOnLink = true;
+      }
+    ];
+    networkConfig = {
+      # DNS servers no longer come from DHCP nor Router
+      # Advertisements. Perhaps you want to change the defaults:
+      DNS = [
+        # Quad9.net
+        "9.9.9.9"
+        "149.112.112.112"
+        "2620:fe::fe"
+        "2620:fe::9"
+      ];
+    };
+  };
+
+  # open the ports to allow ssh access from the host
+  networking.firewall.allowedTCPPorts = [
+    22
+    80
+    443
+  ];
+  networking.firewall.allowedUDPPorts = [
+    22
+    80
+    443
+  ];
+
+  users.users.dev = {
+    isNormalUser = true;
+    password = "test";
+    home = "/home/dev";
+    description = "Alice Foobar";
+    extraGroups = [
+      "wheel"
+      "networkmanager"
+      "docker"
+    ];
+    openssh.authorizedKeys.keys = [
+      publicKey
+    ];
+  };
+  services.openssh = {
+    enable = true;
+    settings = {
+      PasswordAuthentication = false;
+      PermitRootLogin = "no";
+      AllowUsers = [ "dev" ];
+    };
+  };
+  virtualisation.docker = {
+    enable = true;
+    liveRestore = false;
+  };
+}