Added root/sudo check in build script (#156)

* Added root/sudo check in build script

* Resource Plan ID wasn't being written to the config file (#157)

* fixed the script so it writes the inputted plan id to the script,  also hardcoded the resource plan id to be entry instead of lite in anticipation of THINK 21

* removing the debugging lines added

* added a little more info on the different resource plan id choices

* fixed a mis-spelling of provision, its been bothering me

* added some more verbage to the fail on running as root

Co-authored-by: Gregory Boland <boland@us.ibm.com>

Author: deanthomasson

BuildDockerImage.sh

@@ -132,7 +132,17 @@ get_Boost(){
   #rm boost-$1.tar.gz
 }
 
-
+# Check to see if the user is running the script as root/with sudo. 
+# We need the script to be running as non-sudo because we map volumes from the host machine into the 
+# container for data persistence, and we need a non-root id on the host side so we can map the permissions
+# properly across the container and host as needed
+#
+if [ $EUID -eq 0 ]; then
+  echo " "
+  echo "FATAL: Aborting. Sorry but we need to run this script as a non-root user without sudo so we can properly map ids in the container.  Please re-run without sudo."
+  echo " "
+  exit -1
+fi
 
 # First we determine which architecture we are running on... AMD64 or s390x
 ARCH=`uname -m`