#!/bin/bash

. /lib/svc/share/smf_include.sh

# Wrapper to call svcprop to fetch instance properties
getproparg() {
val=$(svcprop -p $1 $SMF_FMRI)
[ -n "$val" ] && echo $val
}

DB_BASE=/opt/local
DB_EXEC=${DB_BASE}/libexec

# Fetch properties configured in the service instance
DB_DATA_PROP=$(getproparg mysql/datadir)
DB_DATA=${DB_DATA_PROP:-/var/mysql}
echo "Setting datadir: ${DB_DATA}"

LOGFILE_PROP=$(getproparg mysql/logfile)
LOGFILE=${LOGFILE_PROP:-/var/log/mysql/error.log}
echo "Setting log-error: ${LOGFILE}"

DEFAULTS_FILE_PROP=$(getproparg mysql/defaults-file)
DEFAULTS_FILE=$DEFAULTS_FILE_PROP
if [[ ! -z "$DEFAULTS_FILE" ]]; then
  echo "Setting defaults-file: ${DEFAULTS_FILE}"
  MYSQL_DEFAULTS_FILE="--defaults-file=${DEFAULTS_FILE}"
fi

SKIP_SLAVE_START_PROP=$(getproparg mysql/skip-slave-start)
SKIP_SLAVE_START=$SKIP_SLAVE_START
if [[ ! -z "$SKIP_SLAVE_START" ]]; then
  echo "Starting with --skip-slave-start"
  MYSQL_EXTRA_OPTS="${MYSQL_EXTRA_OPTS} --skip-slave-start"
fi

MYSQL_EXTRA_OPTS_PROP=$(getpropargmysql/mysql-extra-opts)
MYSQL_EXTRA_OPTS="${MYSQL_EXTRA_OPTS} ${MYSQL_EXTRA_OPTS_PROP}"
echo "Setting extra mysql opts: ${MYSQL_EXTRA_OPTS}"


PIDFILE=${DB_DATA}/mysql.pid

ulimit -n 10240

case "$1" in
  start)
    ${DB_EXEC}/mysqld \
      $MYSQL_DEFAULTS_FILE \
      --user=mysql \
      --basedir=${DB_BASE} \
      --datadir=${DB_DATA} \
      --pid-file=${PIDFILE} \
      --log-error=${LOGFILE} \
      $MYSQL_EXTRA_OPTS \
      > /dev/null &
    ;;
  stop)
    if [ -f ${PIDFILE} ]; then
      /usr/bin/kill $(cat ${PIDFILE}) > /dev/null 2>&1
    fi
    ;;
  'restart')
    stop
    while ps $(cat ${PIDFILE}) > /dev/null 2>&1
    do
      sleep 1
    done
    start
    ;;
  *)
    echo ""
    echo "Usage: `basename $0` { start | stop | restart }"
    echo ""
    exit 64
    ;;
esac