temp_web.txt

#!/bin/bash

trap 'excode=$?; cleanup; echo $excode; exit' EXIT HUP INT QUIT PIPE TERM

cleanup() {
  # TODO: kill web
  echo "inside cleanup for $1"
  deregister_service
}

wait_till_port_is_open() {
  echo "Waiting for $1 to launch on port $2..."

  while ! nc -z $1 $2; do
    sleep 0.1 # wait for 1/10 of the second before check again
  done

  echo "$1 UP!"
}

register_service() {
  export CONTAINER_ID=$(cat /proc/self/cgroup | grep "pids:/" | sed 's/\([0-9]\):pids:\/docker\///g')
  export CONTAINER_IP=$(hostname -i | awk '{ print $1}')
  curl -XPUT -H "Content-type: application/json" -d "{
      \"ID\": \"$CONTAINER_ID\",
      \"Address\": \"$CONTAINER_IP\",
      \"Port\": $PORT,
      \"Name\": \"web\"
    }" "$CONSUL_SERVER/v1/agent/service/register"
}

deregister_service() {
  echo "de-registering $CONTAINER_ID with consul server $CONSUL_SERVER"
  curl -XPUT "$CONSUL_SERVER/v1/agent/service/deregister/$CONTAINER_ID"
}

main() {
  bundle exec rake assets:precompile

  bundle exec puma -C config/puma.rb config.ru &

  wait_till_port_is_open localhost "$PORT"

  register_service

  echo "Finished and running"
}

main

wait $1