Wait for amazon elastic beanstalk environment become green.

wait.sh

#!/bin/bash
function jsonval {
    temp=`echo $json | sed 's/\\\\\//\//g' | sed 's/[{}]//g' | awk -v k="text" '{n=split($0,a,","); for (i=1; i<=n; i++) print a[i]}' | sed 's/\"\:\"/\|/g' | sed 's/[\,]/ /g' | sed 's/\"//g' | grep -w $prop | cut -d":" -f2| sed -e 's/^ *//g' -e 's/ *$//g' `
    echo ${temp##*|}
}

echo "Waiting 20 seconds before start checking"
sleep 20s
echo "Press [CTRL+C] to stop.."

VERSION=$1
while true
do
	json=$(aws elasticbeanstalk describe-environments --version-label "${VERSION}")
	echo "$json"
  prop='Health'
  Health=`jsonval`
  if [ "$Health" == "Green" ]
    then
      echo "Application is propagated, health is Green"
  	  break
  else
    echo "Health is:" ${Health}". Will check again in 10 seconds"
  fi
  
  sleep 10s
done