Bash Shellscript run_multiple_process_with_features_restart_process_when_single_process_failed_and_daily_restarts.bash

run_multiple_process_with_features_restart_process_when_single_process_failed_and_daily_restarts.bash

#!/bin/bash
PID=$$
RESTART_SECONDS_AFTER=15

get_date() {
  echo $(TZ="Asia/Seoul" date +%Y%m%d)
}

run_jobs() {
  $@ &
  JOBS+=($!)
}

JOBS=()
LAST_DATE=$(get_date)
DAILY_RESTART_HOUR=4 # 0 ~ 23
DUMMY_JOBS=

while true;
do

  if [ ! -z "${JOBS[@]}" ]; then
    echo "${JOBS[@]}" | xargs -r kill -9
    echo "--------------------------------------"
    echo -e "\n\n\n\n\nProcess (Re)starts\n\n\n\n"
    echo "--------------------------------------"
  fi

  JOBS=()

  run_jobs bash -c "exec -a '[bash daily schedule $PID]: dummy' sleep 10000000" &
  DUMMY_JOBS=$!

  cd /home/kerus1024/datamerge/
  run_jobs node app.js

  cd /home/kerus1024/crawler
  run_jobs node app.js a
  run_jobs node app.js b
  run_jobs node app.js c

  {
    while true
    do
      if [ "$(get_date)" != "$LAST_DATE" ]; then
        if [ "$(date +%k)" = "$DAILY_RESTART_HOUR" ]; then
          LAST_DATE=$(get_date)
          kill -9 $DUMMY_JOBS
          echo "!!!!! Process restarts to scheduled !!!!"
          break
        fi
      fi
      bash -c "exec -a '[bash daily schedule $PID]:' sleep 10000000"
    done
  } &

  wait -n ${JOBS[@]}
  bash -c "exec -a '[bash schedule $PID]:' sleep $RESTART_SECONDS_AFTER"

done