#!/bin/bash -e

## Component specific config ##
export COMPONENT=cexec
export VOLUME_MOUNTS=" -v /usr/bin/docker:/usr/bin/docker -v /var/run/docker.sock:/var/run/docker.sock -v /tmp/cexec:/tmp/cexec -v /tmp/ssh:/tmp/ssh"

## Generic code ##
## component onbox name is consistent with docker-compose naming conventions
export ONEBOX_NAME=components_"$COMPONENT"_1_onebox
export ONE_DIR="$(dirname $(pwd))"/one
export COMPONENT_CONFIG="$ONE_DIR/components/$COMPONENT.yml"
export COMPONENT_ENV_FILE="$ONE_DIR/components/$COMPONENT.env"
export COMPONENT_ENV_VAL=()

check_one() {
  if [ ! -d $ONE_DIR ]; then
    echo "Error: please clone https://github.com/Shippable/one.git before continuing"
    exit 1
  else
    echo "'one' present..."
  fi
}

check_component_config() {
  if [ ! -f $COMPONENT_CONFIG ]; then
    echo "Error: $COMPONENT.yml not found..."
    exit 1
  fi

  if [ ! -f $COMPONENT_ENV_FILE ]; then
    echo "Error: $COMPONENT.env not found..."
    exit 1
  fi

  echo "'$COMPONENT' configs present..."
}

stop_component() {
  onebox_info=$(sudo docker ps -a | grep $ONEBOX_NAME | awk '{print $1}')
  if [ -z "$onebox_info" ]; then
    echo "No $COMPONENT containers running in onebox mode"
    stop_component_cmd=$(sudo docker-compose -f $COMPONENT_CONFIG stop)
    stop_component_exc=$($stop_component_cmd)
    echo "$stop_component_exc"
  else
    echo "Component containers running in onebox mode"
    sudo docker rm -f "$ONEBOX_NAME" || true
  fi
}

build_image() {
  echo "Building image..."
  sudo docker build --rm=true -t shipimg/$COMPONENT .
}

run_component() {
  echo "Starting $COMPONENT..."
  run_cmd="sudo docker run -d --name=$ONEBOX_NAME --privileged=true --restart=no --net=host"
  env_export_str=""
  run_cmd="$run_cmd `awk '{print "-e "$0}' $COMPONENT_ENV_FILE` "
  run_cmd="$run_cmd $env_export_str "
  run_cmd="$run_cmd $VOLUME_MOUNTS "
  run_cmd="$run_cmd -v $(pwd):/home/shippable/$COMPONENT:rw "
  run_cmd="$run_cmd -t shipimg/$COMPONENT"

  echo $run_cmd
  run_cmd_exc=$($run_cmd)
  echo "$run_cmd_exc"
  docker logs -f $run_cmd_exc
}

check_one
check_component_config
stop_component
build_image
run_component