daily_stop_all.sh

#!/bin/bash
########
# Author: Ratish Maruthiyodan
# Project: Docker HDP Lab
# Description: The script is part of daily instance cleanup. Add the script in crontab to stop all instances unless they are listed in the exception list
########


__daily_stop_cluster() {

  for cluster_name in $($DOCKER_PS_CMD| grep "\/$USERNAME-" | awk -F "/" '{print $NF}' | cut -f 2 -d"-" | sort | uniq)
  do
    grep -q $USERNAME-$cluster_name $CLEAN_UP_EXCEPTION_FILE
    if [ $? -gt 0 ]
    then
      echo -e "\nCluster:: $USERNAME-$cluster_name" >> $OUTFILE

      for node_name in $($DOCKER_PS_CMD | grep "$USERNAME-" | grep "\-$cluster_name-" | awk -F "/" '{print $NF}' | cut -f 3-8 -d"-")
      do
        INSTANCE_NAME=$USERNAME-$cluster_name-$node_name
        echo "Stopping Instance:: $USERNAME-$cluster_name-$node_name" >> $OUTFILE
        docker -H $SWARM_MANAGER:4000 kill $INSTANCE_NAME

      done
    else
      echo -e "\nExempted:: $USERNAME-$cluster_name" >> $OUTFILE
    fi
   done
}


source /etc/docker-hdp-lab.conf

OUTFILE="/tmp/daily_stop_$(date +%d-%b-%y)"
echo > $OUTFILE
DOCKER_PS_CMD="docker -H $SWARM_MANAGER:4000 ps"

 	all_users=$($DOCKER_PS_CMD | grep ambari | awk '{print $NF}' | cut -f 1 -d "-" | cut -f 2 -d "/"| sort | uniq)
	num_of_users=$(echo $all_users | wc -w)

	for i in $all_users; do
		USERNAME=$i
		__daily_stop_cluster
	done
echo > $CLEAN_UP_EXCEPTION_FILE