services

#!/bin/bash
#
#  Command Line Interface to start all services associated with the Getting-Started Tutorial
#
#  For this tutorial the commands are merely a convenience script to run docker-compose
#

set -e

if (( $# != 1 )); then
	echo "Illegal number of parameters"
	echo "usage: services [create|start|stop]"
	exit 1
fi

waitForOrion () {
	echo -e "\n⏳ Waiting for \033[1;34mOrion\033[0m to be available\n"
	while [ `docker run --network fiware_default --rm appropriate/curl -s -o /dev/null -w %{http_code} 'http://orion:1026/version'` -eq 000 ]
	do 
	  echo -e "Context Broker HTTP state: " `curl -s -o /dev/null -w %{http_code} 'http://localhost:1026/version'` " (waiting for 200)"
	  sleep 1
	done
}

waitForScorpio () {
	echo -e "\n⏳ Waiting for \033[1;34mScorpio\033[0m to become responsive\n"
	while [ `docker run --network fiware_default --rm appropriate/curl -s -o /dev/null -w %{http_code} 'http://scorpio:9090/scorpio/v1/info/'` -eq 000 ]
	do 
	  echo -e "Context Broker HTTP state: " `curl -s -o /dev/null -w %{http_code} 'http://localhost:9090/scorpio/v1/info/'` " (waiting for 500)"
	  sleep 30
	done
	echo -e "\n⏳ Waiting for all \033[1;34mScorpio\033[0m services to be available\n"
	while [ `docker run --network fiware_default --rm appropriate/curl -s -o /dev/null -w %{http_code} 'http://scorpio:9090/scorpio/v1/info/'` -eq 500 ]
	do 
	  echo -e "Context Broker HTTP state: " `curl -s -o /dev/null -w %{http_code} 'http://localhost:9090/scorpio/v1/info/'` " (waiting for 200)"
	  sleep 30
	done
}

stoppingContainers () {
	echo "Stopping containers"
	docker-compose --log-level ERROR -f docker-compose/orion.yml -p fiware down -v --remove-orphans
	docker-compose --log-level ERROR -f docker-compose/scorpio-aaio.yml -p fiware down -v --remove-orphans
	docker-compose --log-level ERROR -f docker-compose/scorpio-dist.yml -p fiware down -v --remove-orphans
}

displayServices () {
	echo ""
	sleep 1
	docker ps --format "table {{.Names}}\t{{.Status}}\t{{.Ports}}" --filter name=$1-*
	echo ""
}

command="$1"
case "${command}" in
	"help")
		echo "usage: services [create|orion|scorpio|scorpio-dist|stop]"
		;;
	"orion")
		stoppingContainers 
		echo -e "Starting two containers \033[1;34mOrion\033[0m and a \033[1mMongoDB\033[0m database."
		echo -e "- \033[1;34mOrion\033[0m is the context broker\n"
		docker-compose --log-level ERROR -f docker-compose/orion.yml -p fiware up -d --remove-orphans
		displayServices fiware
		waitForOrion
		;;
	"scorpio")
		stoppingContainers 
		echo -e "Starting four containers \033[1;34mScorpio\033[0m, \033[1mKafka\033[0m, \033[1mZookeeper\033[0m and a \033[1mPostgres\033[0m database."
		echo -e "- \033[1;34mScorpio\033[0m is the context broker\n"
		docker-compose --log-level ERROR -f docker-compose/scorpio-aaio.yml -p fiware up -d --remove-orphans
		displayServices scorpio
		waitForScorpio
		;;
	"scorpio-dist")
		stoppingContainers
		echo -e "Starting four containers \033[1;34mScorpio\033[0m, \033[1mKafka\033[0m, \033[1mZookeeper\033[0m and a \033[1mPostgres\033[0m database."
		echo -e "- \033[1;34mScorpio\033[0m is the context broker\n"
		docker-compose --log-level ERROR -f docker-compose/scorpio-dist.yml -p fiware up -d --remove-orphans
		displayServices scorpio
		waitForScorpio
		;;
	"stop")
		stoppingContainers
		;;
	"create")
		echo "Pulling Docker images"
		docker-compose --log-level ERROR -f docker-compose/orion.yml pull
		docker-compose --log-level ERROR -f docker-compose/scorpio-aaio.yml pull
		docker-compose --log-level ERROR -f docker-compose/scorpio-dist.yml pull
		;;
	*)
		echo "Command not Found."
		echo "usage: services [create|orion|scorpio|scorpio-dist|stop]"
		exit 127;
		;;
esac