+# yum check-update exits 100 if updates are available
+set +e
+check_update=$(yum check-update 2>&1)
+check_update_exit=$?
+set -e
+
+if [[ "$check_update_exit" == "1" ]]; then
+ echo "Failed to check for package updates"
+ echo "$check_update"
+ exit 1
+elif [[ "$check_update_exit" != "100" ]]; then