snaptotals

#!/bin/bash												
# 						
# 4/19/2016													
# Mike Lyon													
# Scale Computing											
# mlyon@scalecomputing.com									
# 4/21/2016 - Added count for VMs and help message			
# 4/26/2016 - Need to get the usage fixed up										
# 5/2/2016 - Updated Formatting															
# ]]												
#															
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 

# Help Message
# Help
function usage {
   echo "Usage: $0 [Tag]";
   echo ""
   echo "All arguments are required, no spaces"
   echo " "
   echo "[Tag] = Tag of the replicated VM"
   echo ""
   echo "Example:"
   echo "snaptotals Acme"
   echo ""
}

if [ $# -lt 1 ]; then
   echo 1>&2 "Not enough arguments provided"
   usage 
   exit 2
elif [ $# -gt 1 ]; then
   echo 1>&2 "Too many arguments"
   usage
   exit 2
fi


blockDiffArray=()
finalTotal=0




# Store the blockDiff values in the snapTotal Array
for vmGUID in `sc vm show display detail | grep -B2 $1 | grep GUID | awk '{print $3}'`
   do
      #blockDiffs=`sc vm show display snaps guid $vmGUID | egrep 'User|Automated' | cut -c 140-160 | awk '{print $2}'` 
      blockDiffs=`sc vm show display snaps guid $vmGUID | grep -A3 Serial | grep Block | awk '{print $3}'`
      blockDiffArray+=("$blockDiffs")  
   done


# Sum the total from the blockDiffs Array
for total in ${blockDiffArray[@]}
   do
      let finalTotal+=$total
   done


date=`date`   
# Display the total:

echo "Tag: $1																		"

echo -e '-\t' "   $1 is using:																	"
echo -e '-\t' "      $(( finalTotal / 1024 )) GB				        						"
echo -e '-\t' "      worth of 1M Snapshot Block Diffs  "