databox-start

#!/bin/bash

#include helper functions
source ./scripts/utils

## debug
if [[ "$DATABOX_DEBUG" = "true" ]]; then
  set -x
  PS4='$LINENO: '
fi

declare -r ME="$(basename $0)"

## check we have the tools
if ! [ -x "$(command -v docker)" ]; then
  die 1 "docker is not installed;"`
       `"see https://docs.docker.com/engine/installation/"
fi

if ! [ -x "$(command -v docker-compose)" ]; then
  die 2 "docker-compose is not installed;"`
       `"see https://docs.docker.com/compose/install/#install-compose"
fi

## parse command line args
DOCKER_REPO="" #default to local images 
DATABOX_SDK="0"
DATABOX_DEV="0"
DEV=0
SDK=0
case "$1" in
  dev )
    DEV=1
    export DATABOX_DEV="1"
    ;;

  sdk )
    SDK=1
    ;;
esac

#Start the SDK
if [ "$SDK" == "1" ]
then
  err "Starting SDK"
  
  #SDK only works in DEV mode so force it 
  DEV=1
  export DATABOX_DEV="1"
  export HOSTMOUNT=$(pwd -P)
  docker-compose -f docker-databox-sdk.yaml up -d
fi

## test if Databox is already running
err "testing if Databox is already running ..."
docker node ls >/dev/null 2>&1
assert_or_die $? 1 "Databox is already running!"

## extract a host interface IP address
err "extracting host interface IP address ..."
ips=($(ifconfig | sed -En 's/127.0.0.1//;s/172.//;s/169.//;s/.inet (addr:)?(([0-9]+.){3}[0-9]+).*/\2/p'))
EXT_IP=$ips
if [[ "${#ips[@]}" -gt "1" ]]; then
  err "More than one IP found! Please select one:"
  select ip in ${ips[*]}; do
    case $ip in
      exit )
        die 0 "exiting ..."
        break
        ;;

      * )
        EXT_IP=$ip
        break
        ;;
    esac
  done
fi
err "host interface IP address = ${EXT_IP}"

## base images: what are we running on?
ARCH=$(uname -m)
case "$ARCH" in
  armv7l )
    NODE_IMAGE="hypriot/rpi-node:slim"
    DEV=1 #ARM is only supported in dev mode with localy built images (for now)
    export DATABOX_ARCH="-"${ARCH}
    export DATABOX_DEV="1"
    ;;

  aarch64 )
    NODE_IMAGE="forumi0721alpineaarch64/alpine-aarch64-nodejs"
    DEV=1 #ARM is only supported in dev mode with localy built images (for now)
    export DATABOX_ARCH="-"${ARCH}
    export DATABOX_DEV="1"
    ;;

  * )
    ARCH=""
    NODE_IMAGE="node:alpine"
    export DATABOX_ARCH=""
    ;;
esac

DOCKER_REPO=""
if [ "$DEV" != "1" ]
then
  # use images from https://hub.docker.com/r/databoxsystems/
  DOCKER_REPO="databoxsystems/"
fi
export DOCKER_REPO=$DOCKER_REPO

function _exec {
  docker run \
         --net=host -ti --rm -v "$(pwd -P)":/cwd -w /cwd \
         $DARGS $NODE_IMAGE "$@"
}

if [ ! -d "node_modules" ]; then
  _exec npm install -loglevel silent 
fi

err "starting the Databox swarm"
docker swarm init --advertise-addr $EXT_IP > /dev/null
mkdir -p ./certs
_exec node ./src/createCerts.js

if [ "$DEV" == "1" ]
then
  # build all images locally in dev mode
  err "Building Databox localy in dev mode"
  ./databox-fetch-components
  source ./databox-build-core
  assert_or_die $? 0 "Problem building core images"
  if [ -z "$DATABOX_TESTING" ]
  then
    # dont build these optional components when testing
    docker-compose -f ./docker-compose-dev-local-images.yaml build
    assert_or_die $? 0 "Problem building optional images"
  fi
fi

err "starting Databox"
docker-compose -f ./docker-databox-appstore.yaml up -d
docker stack deploy -c docker-compose.yaml databox
assert_or_die $? 0 "Problem with docker stack deploy"

DARGS="-e DATABOX_DEV=$DEV"
err "seeding manifests"
_exec node ./src/seedManifests.js
assert_or_die $? 0 "Failed to seed manifests app-store not found"

err "Databox started! Visit http://127.0.0.1:8989"
if [ -z "$DATABOX_TESTING" ]
then
  docker service logs databox_container-manager -f
fi