move modules into nixosModules, add autoimport

nixosModules/installer/default.nix

@@ -0,0 +1,82 @@
+{ lib
+, pkgs
+, modulesPath
+, ...
+}: {
+  systemd.tmpfiles.rules = [
+    "d /var/shared 0777 root root - -"
+  ];
+  imports = [
+    (modulesPath + "/profiles/installation-device.nix")
+    (modulesPath + "/profiles/all-hardware.nix")
+    (modulesPath + "/profiles/base.nix")
+  ];
+  services.openssh.settings.PermitRootLogin = "yes";
+  system.activationScripts.root-password = ''
+    mkdir -p /var/shared
+    ${pkgs.pwgen}/bin/pwgen -s 16 1 > /var/shared/root-password
+    echo "root:$(cat /var/shared/root-password)" | chpasswd
+  '';
+  hidden-ssh-announce = {
+    enable = true;
+    script = pkgs.writers.writeDash "write-hostname" ''
+      set -efu
+      mkdir -p /var/shared
+      echo "$1" > /var/shared/onion-hostname
+      ${pkgs.jq}/bin/jq -nc \
+        --arg password "$(cat /var/shared/root-password)" \
+        --arg address "$(cat /var/shared/onion-hostname)" '{
+          password: $password, address: $address
+        }' > /var/shared/login.info
+      cat /var/shared/login.info |
+        ${pkgs.qrencode}/bin/qrencode -t utf8 -o /var/shared/qrcode.utf8
+      cat /var/shared/login.info |
+        ${pkgs.qrencode}/bin/qrencode -t png -o /var/shared/qrcode.png
+    '';
+  };
+  services.getty.autologinUser = lib.mkForce "root";
+  programs.bash.interactiveShellInit = ''
+    if [ "$(tty)" = "/dev/tty1" ]; then
+      echo 'waiting for tor to generate the hidden service'
+      until test -e /var/shared/qrcode.utf8; do echo .; sleep 1; done
+      cat /var/shared/qrcode.utf8
+    fi
+  '';
+  boot.loader.grub.efiInstallAsRemovable = true;
+  boot.loader.grub.efiSupport = true;
+  disko.devices = {
+    disk = {
+      stick = {
+        type = "disk";
+        device = "/vda";
+        imageSize = "3G";
+        content = {
+          type = "gpt";
+          partitions = {
+            boot = {
+              size = "1M";
+              type = "EF02"; # for grub MBR
+            };
+            ESP = {
+              size = "100M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}