chopper: add kube0 microvm

Author: devusb

flake.lock

@@ -44,10 +44,13 @@
       url = "https://git.lix.systems/lix-project/nixos-module/archive/2.92.0.tar.gz";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    # treefmt-nix
     treefmt-nix = {
       url = "github:numtide/treefmt-nix";
     };
+    microvm = {
+      url = "github:astro/microvm.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =

flake.nix

@@ -43,6 +43,7 @@ in
     ./glance.nix
     ./buildbot.nix
     ./calibre.nix
+    ./microvm.nix
   ];
 
   boot.loader.systemd-boot.enable = true;

hosts/chopper/default.nix

@@ -0,0 +1,13 @@
+{ inputs, ... }:
+{
+  imports = [
+    inputs.microvm.nixosModules.host
+  ];
+
+  microvm = {
+    vms = {
+      kube0.config = import ./vms/kube0.nix;
+    };
+  };
+
+}

hosts/chopper/microvm.nix

@@ -0,0 +1,89 @@
+{ pkgs, lib, ... }:
+{
+  microvm = {
+    mem = 8192;
+    vcpu = 4;
+    interfaces = [
+      {
+        type = "tap";
+        id = "vm-kube0";
+        mac = "02:00:00:00:00:01";
+      }
+    ];
+    shares = [
+      {
+        tag = "ro-store";
+        source = "/nix/store";
+        mountPoint = "/nix/.ro-store";
+      }
+    ];
+    volumes = [
+      {
+        image = "etc.img";
+        label = "etc";
+        mountPoint = "/etc";
+        size = 500;
+        autoCreate = true;
+      }
+      {
+        image = "var.img";
+        label = "var";
+        mountPoint = "/var";
+        size = 8192;
+        autoCreate = true;
+      }
+    ];
+  };
+
+  # enable passwordless sudo
+  security.sudo = {
+    enable = lib.mkDefault true;
+    wheelNeedsPassword = lib.mkForce false;
+  };
+
+  users.users.mhelton = {
+    isNormalUser = true;
+    extraGroups = [
+      "wheel"
+      "networkmanager"
+    ];
+  };
+  users.users.mhelton.openssh.authorizedKeys.keys = [
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHD+tZ4hf4MhEW+akoZbXPN3Zi4cijSkQlX6bZlnV+Aq mhelton@gmail.com"
+    "ssh-rsa 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 mhelton@gmail.com"
+  ];
+
+  services.openssh = {
+    enable = true;
+    settings = {
+      PermitRootLogin = lib.mkForce "no";
+      PasswordAuthentication = false;
+    };
+  };
+
+  networking.firewall.enable = false;
+
+  networking.hostName = "kube0";
+  environment.systemPackages = with pkgs; [
+    neovim
+    bottom
+  ];
+  systemd.network.enable = true;
+  systemd.network.networks."20-lan" = {
+    matchConfig.Type = "ether";
+    networkConfig = {
+      Address = "192.168.20.70/23";
+      Gateway = "192.168.20.1";
+      DNS = "8.8.8.8";
+    };
+  };
+
+  services.k3s = {
+    enable = true;
+    role = "server";
+    extraFlags = [
+      "--flannel-backend wireguard-native"
+    ];
+  };
+
+}