#!/bin/bash
#
# Usage:
#
#     bpatchfull hostname [norestart]
#
#  hostname  : the hostname of the bubble node to update
#              Usually you will have an entry in ~/.ssh/config to set the username and ssh key
#  norestart : If present, do not restart the API server after updating the jar file
#
# Patch the bubble.jar on a remote node.
# This script updates the entire jar file, and takes a lot longer than bpatch
#
# You install the JDK on the remote node first: apt install openjdk-11-jdk-headless
#
SCRIPT="${0}"
SCRIPT_DIR=$(cd $(dirname ${SCRIPT}) && pwd)
. ${SCRIPT_DIR}/bubble_common

HOST=${1:?no host provided}
NO_RESTART=${2}

BUBBLE_SERVER_DIR="${SCRIPT_DIR}/../bubble-server"
if [[ ! -d "${BUBBLE_SERVER_DIR}" ]] ; then
  die "bubble-server dir not found: ${BUBBLE_SERVER_DIR}"
fi
cd ${BUBBLE_SERVER_DIR}

ANY_JAR=$(find "./target" -type f -name "bubble*.jar" | head -1 | wc -l | tr -d ' ')
if [[ ${ANY_JAR} -eq 0 ]] ; then
  ANY_CHANGES=1
else
  ANY_CHANGES=$(find "./src/main" -type f -newer "$(find "./target" -type f -name "bubble*.jar" | head -1)" | wc -l | tr -d ' ')
fi
if [[ ${ANY_CHANGES} -eq 0 ]] ; then
  echo "No changes, not repackaging jar"
  scp ./target/bubble*.jar ${HOST}:/tmp/bubble.jar || die "Error copying file to remote host ${HOST}"
else
  if [[ ${ANY_JAR} -eq 0 ]] ; then
    echo "No bubble jar file found, rebuilding"
  else
    echo "Files changed, rebuilding bubble jar: "
    find "./src/main" -type f -newer "$(find "./target" -type f -name "bubble*.jar" | head -1)"
  fi
  mvn -DskipTests=true -Dcheckstyle.skip=true clean package || die "Error packaging jar"
  scp ./target/bubble*.jar ${HOST}:/tmp/bubble.jar || die "Error copying file to remote host ${HOST}"
fi

if [[ ! -z "${NO_RESTART}" && "${NO_RESTART}" == "norestart" ]] ; then
  echo "Patching but not restarting..."
  ssh ${HOST} "cat /tmp/bubble.jar > ~bubble/current/bubble.jar"
else
  echo "Patching and restarting..."
  ssh ${HOST} "cat /tmp/bubble.jar > ~bubble/current/bubble.jar && supervisorctl restart bubble"
fi