Checks if topology exists and kills it to deploy a new version of the topology

deploy-topology.sh

#!/bin/bash
#
# Author: Ambud Sharma
#
set -eu

export STORM_LOC=/tmp/apache-storm-1.0.2

CONFIG=""

if [ ! -z $DEV ]; then
	CONFIG=./deploy/configs/dev-parser-topology.config
	cp ./deploy/configs/dev-storm.yaml $STORM_LOC/conf/storm.yaml
else
	CONFIG=./deploy/configs/prod-parser-topology.config
	cp ./deploy/configs/prod-storm.yaml $STORM_LOC/conf/storm.yaml
fi

LIST_T=`$STORM_LOC/bin/storm list`

if [ "$(echo $LIST_T | grep -c "TopologyName" )" -ge 1 ]; then
	echo "Kill the existing topology"
	$STORM_LOC/bin/storm kill TopologyName -w 10
fi

sleep 12

echo "Deploy the new topology"
$STORM_LOC/bin/storm jar path-to-jar-with-dependencies.jar org.apache.storm.flux.Flux --remote xyz/src/main/resources/topology.yml --filter $CONFIG