give it a whirl

2025-08-22 23:24:59 -05:00
parent dfa3c807ed
commit e735b7be6d
5 changed files with 156 additions and 65 deletions
@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+
+# User variables
+target_hostname=""
+target_destination=""
+target_administrator=""
+target_user=${BOOTSTRAP_USER-root} # Set BOOTSTRAP_ defaults in your shell.nix
+ssh_port=${BOOTSTRAP_SSH_PORT-22}
+
+function help_and_exit() {
+	echo
+	echo "Remotely installs NixOS on a target machine using this nix-config."
+	echo
+	echo "USAGE: $0 -n <target_hostname> -d <target_destination> [OPTIONS]"
+	echo
+	echo "ARGS:"
+  echo "  -n <target_hostname>                    specify target_hostname of the target host to deploy the nixos config on. (default I think)"
+	echo "  -d <target_destination>                 specify ip or domain to the target host."
+  echo "  -a <target_administrator>               specify the name of the user that will act as the system administrator (roy)"
+  echo 
+	echo "OPTIONS:"
+	echo "  -u <target_user>                        specify target_user with sudo access. nix-config will be cloned to their home."
+	echo "                                          Default=root."
+	echo "  --port <ssh_port>                       specify the ssh port to use for remote access. Default=${ssh_port}."
+	echo "  --debug                                 Enable debug mode."
+	echo "  -h | --help                             Print this help."
+	exit 0
+}
+
+# Function to cleanup temporary directory on exit
+cleanup() {
+  rm -rf "$temp"
+}
+trap cleanup EXIT
+
+# Handle command-line arguments
+while [[ $# -gt 0 ]]; do
+	case "$1" in
+	-n)
+		shift
+		target_hostname=$1
+		;;
+	-d)
+		shift
+		target_destination=$1
+		;;
+  -a)
+    shift
+    target_administrator=$1
+    ;;
+	-u)
+		shift
+		target_user=$1
+		;;
+	--port)
+		shift
+		ssh_port=$1
+		;;
+	--debug)
+		set -x
+		;;
+	-h | --help) help_and_exit ;;
+	*)
+		echo "ERROR: Invalid option detected."
+		help_and_exit
+		;;
+	esac
+	shift
+done
+
+if [ -z "$target_hostname" ] || [ -z "$target_destination" ] || [ -z "$target_administrator" ]; then
+	echo "ERROR: -n, -d, and -a are all required"
+	echo
+	help_and_exit
+fi
+
+# delete known hosts
+sed -i "/$target_hostname/d; /$target_destination/d" ~/.ssh/known_hosts
+
+# Install NixOS to the host system with our secrets
+nix run github:nix-community/nixos-anywhere --extra-experimental-features "nix-command flakes" -- --ssh-port "$ssh_port" --post-kexec-ssh-port "$ssh_port" --generate-hardware-config nixos-generate-config ./hardware-configuration.nix --disko-mode disko --build-on local --flake .#"$target_hostname" --target-host "$target_user"@"$target_destination"
+
+echo "Deploy Finished"
+