#!/bin/bash

set -e
exec 2>&1

ENV=unknown
if [ -f /etc/yandex/environment.type ]; then
    ENV=$(cat /etc/yandex/environment.type)
fi

PATH=/sbin:/usr/sbin:/bin:/usr/bin
LANG=en_US.UTF-8
USER=ppc
GROUP=ppc

NAME=direct-binlog-logbrokerwriter
CWD=/var/www/$NAME

export SERVICE_NAME_FOR_LOG_FILES=direct-binlog-logbrokerwriter
ERROR_LOG="/var/log/yandex/${SERVICE_NAME_FOR_LOG_FILES}.error.log"
GC_LOG="/var/log/yandex/${SERVICE_NAME_FOR_LOG_FILES}.gc.log"

chown ppc /var/log/yandex
# jvm can't append data to previous log, so copy logs to archive
for log in "$GC_LOG"*; do
    test -f "$log" && cat "$log" >>`dirname "$GC_LOG"`/arc.`basename "$GC_LOG"`.`date +%Y%m%d` && rm "$log"
done

if [ -f "$ERROR_LOG" ]; then
  TODAY_ERROR_LOG=$ERROR_LOG.$(date +%Y%m%d)
  if [ -f "$TODAY_ERROR_LOG" ]; then
      cat "$ERROR_LOG" >>"$TODAY_ERROR_LOG"
      rm "$ERROR_LOG"
  else
      mv "$ERROR_LOG" "$TODAY_ERROR_LOG"
  fi
fi

case "$ENV" in
    production) MEM_FOR_HEAP=16;;
    *) MEM_FOR_HEAP=4;;
esac

MEM_FOR_MYSQL=2
MEM_LEASE="$(expr $MEM_FOR_HEAP + 1 + $MEM_FOR_MYSQL)"
export MEM_FOR_HEAP

cd "$CWD"
exec chpst -u "$USER:$GROUP" /usr/local/bin/$NAME >> "$ERROR_LOG" 2>&1
