x86_64 to amd64 to match Vagrant arch names

distros/centos-stream/8/amd64.pkrvars.hcl.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+set -ex
+
+# Name of the file to write out
+name="${0%.sh}"
+
+checksums="$(mktemp)"
+until curl -f -L -o "${checksums}" "http://mirror.centos.org/centos/8-stream/isos/x86_64/CHECKSUM"; do
+	sleep 1
+done
+sha="$(cat "${checksums}" | grep latest-boot | grep SHA256 | cut -d' ' -f 4)"
+
+cat << HERPDERP > "${name}"
+distro = "centos-stream"
+version = "8"
+iso = {
+	url = "http://mirror.centos.org/centos/8-stream/isos/x86_64/CentOS-Stream-8-x86_64-latest-boot.iso"
+	checksum = "${sha}"
+}
+boot_command = [
+  "<up><tab><wait><bs><bs><bs><bs><bs>",
+  "inst.text inst.ks=cdrom:/ks.cfg console=tty0",
+  "<enter><wait>"
+]
+cd_files = [ "distros/centos-stream/8/disc/*" ]
+HERPDERP