Consul watch script to use templates with envsubst

envsubst.consul.sh

#!/bin/bash

# Create temporary file for setting up environment
TEMP_FILE="$(mktemp -q /tmp/consul.env.XXXXXXXXX)" || exit 1

# Set trap to clean up file
trap 'rm -f -- "$TEMP_FILE"' EXIT
 
jq -rc '.[] | [(.Key | split("/") | last | ascii_upcase), (.Value | @base64d)] | "export " + join("=")' > $TEMP_FILE
source "$TEMP_FILE"
envsubst < test.consul.watch.template

# Clean up temporary file
rm -f -- "$TEMP_FILE"
# trap - EXIT