Add Rocky 10 Packer build configuration

rocky-10/scripts/vagrant.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -x
+
+err() {
+	printf "[ERROR]: %s\n" "$1" >&2
+	exit 1
+}
+
+dnf install -y \
+	qemu-guest-agent \
+	nfs-utils \
+	openssl \
+	curl \
+	sudo \
+	vim-enhanced || err "failed to install packages"
+
+useradd -m -s /bin/bash -p "$(openssl passwd -1 vagrant)" vagrant ||
+	err "failed to add vagrant user"
+printf '%s\n' "vagrant ALL=(ALL) NOPASSWD:ALL" >/etc/sudoers.d/vagrant ||
+	err "failed to write sudoers file"
+chmod 440 /etc/sudoers.d/vagrant || err "failed to chmod sudoers file"
+install -d -m 0700 -o vagrant -g vagrant /home/vagrant/.ssh ||
+	err "failed to create vagrant .ssh dir"
+
+BASE_GH_URL="https://raw.githubusercontent.com/hashicorp/vagrant/refs/heads"
+curl -fsSL "${BASE_GH_URL}/main/keys/vagrant.pub" \
+	-o /home/vagrant/.ssh/authorized_keys ||
+	err "failed to download initial authorized_keys"
+chmod 600 /home/vagrant/.ssh/authorized_keys || err "failed to chmod 600 authorized_keys"
+chown vagrant:vagrant /home/vagrant/.ssh/authorized_keys ||
+	err "failed to chown initial authorized_keys"
+
+sed -i 's/PermitRootLogin.*/PermitRootLogin no/' /etc/ssh/sshd_config ||
+	err "failed to disable root login via SSH"
+passwd -d root || err "failed to delete root password"
+passwd -l root || err "failed to lock root password"