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

loadData () {
	docker run --rm -v $(pwd)/import-data:/import-data \
		--network fiware_default \
		--entrypoint /bin/ash curlimages/curl import-data
	waitForIoTAgent
	docker run --rm -v $(pwd)/provision-devices:/provision-devices \
		--network fiware_default \
		--entrypoint /bin/ash curlimages/curl provision-devices
	echo ""
}

stoppingContainers () {
	echo "Stopping containers"
	docker-compose --log-level ERROR -p fiware down -v --remove-orphans
}

displayServices () {
	echo ""
	docker ps --format "table {{.Names}}\t{{.Status}}\t{{.Ports}}" --filter name='[fiware|spark]-*'
	echo ""
}

addDatabaseIndex () {
	printf "Adding appropriate \033[1mMongoDB\033[0m indexes for \033[1;34mOrion\033[0m  ..."
	docker exec  db-mongo mongo --eval '
	conn = new Mongo();db.createCollection("orion");
	db = conn.getDB("orion");
	db.createCollection("entities");
	db.entities.createIndex({"_id.servicePath": 1, "_id.id": 1, "_id.type": 1}, {unique: true});
	db.entities.createIndex({"_id.type": 1}); 
	db.entities.createIndex({"_id.id": 1});' > /dev/null

	docker exec  db-mongo mongo --eval '
	conn = new Mongo();db.createCollection("orion-openiot");
	db = conn.getDB("orion-openiot");
	db.createCollection("entities");
	db.entities.createIndex({"_id.servicePath": 1, "_id.id": 1, "_id.type": 1}, {unique: true});
	db.entities.createIndex({"_id.type": 1}); 
	db.entities.createIndex({"_id.id": 1});' > /dev/null
	echo -e " \033[1;32mdone\033[0m"

	printf "Adding appropriate \033[1mMongoDB\033[0m indexes for \033[1;36mIoT-Agent\033[0m  ..."
	docker exec  db-mongo mongo --eval '
	conn = new Mongo();
	db = conn.getDB("iotagentul");
	db.createCollection("devices");
	db.devices.createIndex({"_id.service": 1, "_id.id": 1, "_id.type": 1});
	db.devices.createIndex({"_id.type": 1}); 
	db.devices.createIndex({"_id.id": 1});
	db.createCollection("groups");
	db.groups.createIndex({"_id.resource": 1, "_id.apikey": 1, "_id.service": 1});
	db.groups.createIndex({"_id.type": 1});' > /dev/null
	echo -e " \033[1;32mdone\033[0m"
}

waitForOrion () {
	echo -e "\n⏳ Waiting for \033[1;34mOrion\033[0m to be available\n"
	while [ `docker run --network fiware_default --rm curlimages/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
}

waitForIoTAgent () {
	echo -e "\n⏳ Waiting for \033[1;36mIoT-Agent\033[0m to be available\n"
	while [ `docker run --network fiware_default --rm curlimages/curl -s -o /dev/null -w %{http_code} 'http://iot-agent:4041/version'` -eq 000 ]
	do 
	  echo -e "IoT Agent HTTP state: " `curl -s -o /dev/null -w %{http_code} 'http://localhost:4041/version'` " (waiting for 200)"
	  sleep 1
	done
}

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

command="$1"
case "${command}" in
	"help")
        echo "usage: services [create|start|stop]"
        ;;
    "start")
		stoppingContainers
		echo -e "Starting seven containers \033[1;34mOrion\033[0m, \033[1;36mIoT-Agent\033[0m, two \033[1mSpark\033[0m instances (jobmanager taskmanager)  and a \033[1mTutorial\033[0m and \033[1mMongoDB\033[0m database."
		echo -e "- \033[1;34mOrion\033[0m is the context broker"
		echo -e "- \033[1;36mIoT-Agent\033[0m is configured for the UltraLight Protocol"
		echo -e "- \033[1mTutorial\033[0m acts as a series of dummy IoT Sensors over HTTP"
		echo -e "- \033[1mApache Spark\033[0m is a stream-processing framework"	
		echo ""
		docker-compose --log-level ERROR -p fiware up -d --remove-orphans
		addDatabaseIndex
		waitForOrion
		loadData
		displayServices
		echo -e "Now open \033[4mhttp://localhost:3000/device/monitor\033[0m"
		;;
	"stop")
		stoppingContainers
		;;
	"create")
		echo "Pulling Docker images"
		docker-compose --log-level ERROR -p fiware pull
		echo -e "Pulling \033[1;34mCosmos Spark\033[0m connector"
		curl -LO https://github.com/ging/fiware-cosmos-orion-spark-connector/releases/download/FIWARE_7.9/orion.spark.connector-1.2.1.jar
		mv orion.spark.connector-1.2.1.jar cosmos-examples/orion.spark.connector-1.2.1.jar
		;;
	*)
		echo "Command not Found."
		echo "usage: services [create|start|stop]"
		exit 127;
		;;
esac