#!/usr/bin/env sh
# $0 is a script name, 
# $1, $2, $3 etc are passed arguments
# $1 is our command
CMD=$1

if [ -z "$SERVICE_IP" ]; then
    export SERVICE_IP=`hostname -i`
fi
echo "SERVICE_IP=$SERVICE_IP"

if [ -z "$SERVICE_PORT" ]; then
    export SERVICE_PORT=8080
fi
echo "SERVICE_PORT=$SERVICE_PORT"

if [ -z "$OPENPALETTE_MSB_IP" ]; then
    echo "Missing required variable OPENPALETTE_MSB_IP: Microservices Service Bus address <ip>:<port>"
    exit 1
fi
if [ -z "$OPENPALETTE_MSB_PORT" ]; then
    echo "Missing required variable OPENPALETTE_MSB_PORT: Microservices Service Bus address <ip>:<port>"
    exit 1
fi
echo "MSB_ADDR=${OPENPALETTE_MSB_IP}:${OPENPALETTE_MSB_PORT}"

# Wait for MSB initialization
echo "Wait for MSB initialization"
for i in {1..5}; do
    curl -sS -m 1 ${OPENPALETTE_MSB_IP}:${OPENPALETTE_MSB_PORT} > /dev/null && break
    sleep $i
done

curl -X POST --data '{"serviceName": "activiti-rest","version": "v1","url": "/activiti-rest/","path": "/activiti-rest/","protocol": "REST","visualRange": "1","nodes": [{"ip": "${SERVICE_IP}","port": "${SERVICE_PORT}","ttl": 0}]}' http://${OPENPALETTE_MSB_IP}:${OPENPALETTE_MSB_PORT}/api/microservices/v1/services -H "Accept: Application/json" -H "Content-Type:application/json"

case "$CMD" in  
  "dev" )
    ;;
  "start" )
    # we can modify files here, using ENV variables passed in 
    # "docker create" command. It can't be done during build process.
    exec ./catalina.sh run
    ;;
   * )
    # Run custom command. Thanks to this line we can still use 
    # "docker run our_image /bin/bash" and it will work
    exec $CMD ${@:2}
    ;;
esac