Script to compare your deployed (single) stemcell with the current version of the stemcell

check_stemcell_version.sh

#!/bin/bash

WEB=$(curl -v --silent https://bosh.io/d/stemcells/bosh-azure-hyperv-centos-7-go_agent 2>&1 | grep Location | awk '{print $3}' | cut -d '/' -f 5 | cut -d '-' -f 3)
CUR=$(bosh stemcells 2> /dev/null | grep bosh | awk '{print $6}' | tr -d '*')

if (( $WEB > $CUR )); then
	echo "Update stemcell"
else
	echo "Stemcell is fine"
fi