nixos/22.05/capsul-init

@@ -5,7 +5,7 @@ homedir="/home/$user"
 
 mkdir -p "$homedir/.ssh"
 chmod 700 "$homedir/.ssh"
-chown "$user" "$homedir/.ssh"
+chown -R "$user:$user" "$homedir"
 
 mount -t iso9660 -o ro /dev/sr0 /mnt
 
@@ -13,38 +13,9 @@ grep '\- ssh' /mnt/user-data  | cut -d ' ' -f 8- > "$homedir/.ssh/authorized_key
 
 chmod 600 "$homedir/.ssh/authorized_keys"
 
-chown "$user" "$homedir/.ssh/authorized_keys"
+chown "$user:$user" "$homedir/.ssh/authorized_keys"
 
 /run/current-system/profile/sbin/resize2fs /dev/vda2
 
-cat <<EOF > /etc/configuration.nix
-{ config, pkgs, ... }:
-
-{
-  imports = [
-    ./hardware-configuration.nix
-  ];
-
-  # we always want git and vim
-  environment.systemPackages = with pkgs; [
-    git
-    vim
-  ];
-
-  boot.loader.grub.enable = true;
-  boot.loader.grub.version = 2;
-  boot.loader.grub.device = "/dev/vda";
-  system.stateVersion = "22.05";
-
-  users.users.cyberian = {
-    isNormalUser = true;
-  };
-
-  services.openssh = {
-    enable = true;
-  };
-EOF
-
 umount /mnt
 rm /root/capsul-init
-sudo nixos-rebuild switch

nixos/22.05/configuration.nix

@@ -1,3 +1,6 @@
+# this configuration is intended to give us ssh
+# access to the build machine
+
 { config, pkgs, ... }:
 
 {
@@ -5,10 +8,10 @@
     ./hardware-configuration.nix
   ];
 
-  # we always want git and vim
+  # we always want nano & vi
   environment.systemPackages = with pkgs; [
-    git
-    vim
+    vi
+    nano
   ];
 
   boot.loader.grub.enable = true;
@@ -18,7 +21,6 @@
 
   users.users.cyberian = {
     isNormalUser = true;
-    password = "password";
   };
   users.users.root.password = "password";
 
@@ -27,16 +29,4 @@
     permitRootLogin = "yes";
     passwordAuthentication = true;
   };
-
-  # Feel free to remove this after first boot
-  # /root/capsul-init gets deleted after first run
-  systemd.services.capsul-init = {
-    serviceConfig.Type = "oneshot";
-    unitConfig = {
-      ConditionPathExists = "/root/capsul-init";
-    };
-    serviceConfig = {
-      ExecStart = "/root/capsul-init";
-    };
-  };
 }

nixos/22.05/final-configuration.nix

@@ -0,0 +1,43 @@
+# this configuration is meant to be the final
+# handed over to the user
+
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./hardware-configuration.nix
+  ];
+
+  # we always want nano & vi
+  environment.systemPackages = with pkgs; [
+    nano
+    vi
+  ];
+
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.device = "/dev/vda";
+  system.stateVersion = "22.05";
+
+  users.users.cyberian = {
+    isNormalUser = true;
+  };
+
+  services.openssh = {
+    enable = true;
+  };
+
+  # Feel free to remove this after first boot
+  # /root/capsul-init gets deleted after first run
+  systemd.services.capsul-init = {
+    enable = true;
+    unitConfig = {
+      ConditionPathExists = "/root/capsul-init";
+    };
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = "/root/capsul-init";
+    };
+    wantedBy = [ "multi-user.target" ];
+  };
+}

nixos/22.05/packer.json

@@ -30,11 +30,11 @@
         "inline": ["echo 'executing trigger-reboot...' && /tmp/trigger-reboot & exit 0"],
         "expect_disconnect": true
     },
-		{
-				"type": "shell",
-				"inline": ["echo 'reconnected after rebooting'"],
-				"pause_before": "30s"
-		},
+    {
+        "type": "shell",
+        "inline": ["echo 'reconnected after rebooting'"],
+        "pause_before": "30s"
+    },
     {
         "type": "file",
         "source": "capsul-init",
@@ -43,9 +43,22 @@
     {
         "type": "shell",
         "inline": [
-					"mv /tmp/capsul-init /root/capsul-init",
-					"chmod +x /root/capsul-init"
-				]
+          "mv /tmp/capsul-init /root/capsul-init",
+          "chmod +x /root/capsul-init"
+        ]
+    },
+    {
+        "type": "file",
+        "source": "final-configuration.nix",
+        "destination": "/etc/nixos/configuration.nix"
+    },
+    {
+        "type": "shell",
+        "inline": [
+          "nixos-rebuild switch",
+          "rm -f /etc/ssh/*key*",
+          "printf '' > /etc/machine-id"
+        ]
     }
   ],
   "builders": [

nixos/22.05/post-install.sh

@@ -1,6 +1,5 @@
 #!/bin/sh
 
-sudo su
 parted -s --align=none /dev/vda mktable gpt mkpart primary ext2 0 2MB mkpart primary ext2 2MB 100% set 1 bios_grub on
 mkfs.ext4 -L root /dev/vda2
 mount LABEL=root /mnt

nixos/OWNERS

@@ -0,0 +1 @@
+@aynish:sealight.xyz