Use sha256 for firezone id

Author: jamilbk

main.tf

@@ -16,12 +16,12 @@ resource "aws_instance" "gateway" {
 
   export DEBIAN_FRONTEND=noninteractive
   sudo apt-get update
-  sudo apt-get install -y curl uuid-runtime iptables
+  sudo apt-get install -y curl iptables
 
   FIREZONE_TOKEN="${var.firezone_token}" \
   FIREZONE_VERSION="${var.firezone_version}" \
   FIREZONE_NAME="${var.firezone_name}" \
-  FIREZONE_ID="$(uuidgen)" \
+  FIREZONE_ID="$(head -c /dev/urandom | sha256)" \
   FIREZONE_API_URL="${var.firezone_api_url}" \
   bash <(curl -fsSL https://raw.githubusercontent.com/firezone/firezone/main/scripts/gateway-systemd-install.sh)