Script for measuring the duration of nova get-vnc-console

gistfile1.sh

#!/bin/bash

# first parameter is the ID of a nova instance
# second parameter may be the amount of runs

count=${2:-100}
timefile=/tmp/vnctime.out
fmt="%e"

# mv out file to old
mv $timefile $timefile.old

for i in `seq 1 $count`; do
  /usr/bin/time -f "$fmt" -o $timefile -a nova get-vnc-console $1 novnc > /dev/null
  sleep 1
done

min=`awk 'min=="" || $1 < min {min=$1} END{ print min}' /tmp/vnctime.out`
max=`awk 'max=="" || $1 > max {max=$1} END{ print max}' /tmp/vnctime.out`
sum=`awk '{ sum+=$1 } END {print sum}' /tmp/vnctime.out`
average=$(bc <<<"scale=2;$sum/$count")

echo "Minimum duration: $min seconds"
echo "Maximum duration: $max seconds"
echo "Total duration:   $sum seconds"
printf "Average duration: %0g seconds\n" $average