package/mariadb/S97mysqld

   1 #!/bin/sh
   2 #
   3 # mysql
   4 #
   5
   6 MYSQL_LIB="/var/lib/mysql"
   7 MYSQL_RUN="/run/mysql"
   8 MYSQL_PID="$MYSQL_RUN/mysqld.pid"
   9 MYSQL_BIN="/usr/bin"
  10
  11 wait_for_ready() {
  12         WAIT_DELAY=5
  13         while [ $WAIT_DELAY -gt 0 ]; do
  14                 if $MYSQL_BIN/mysqladmin ping > /dev/null 2>&1; then
  15                         return 0
  16                 fi
  17                 sleep 1
  18                 : $((WAIT_DELAY -= 1))
  19         done
  20         return 1
  21 }
  22
  23 start() {
  24         if [ `ls -1 $MYSQL_LIB | wc -l` = 0 ] ; then
  25                 printf "Creating mysql system tables ... "
  26                 $MYSQL_BIN/mysql_install_db --basedir=/usr --user=mysql \
  27                         --datadir=$MYSQL_LIB > /dev/null 2>&1
  28                 if [ $? != 0 ]; then
  29                         echo "FAIL"
  30                         exit 1
  31                 fi
  32                 echo "OK"
  33         fi
  34
  35         # mysqld runs as user mysql, but /run is only writable by root
  36         # so create a subdirectory for mysql.
  37         install -d -o mysql -g root -m 0755 $MYSQL_RUN
  38
  39         # We don't use start-stop-daemon because mysqld has its own
  40         # wrapper script.
  41         printf "Starting mysql ... "
  42         $MYSQL_BIN/mysqld_safe --pid-file=$MYSQL_PID --user=mysql \
  43                 > /dev/null 2>&1 &
  44         wait_for_ready
  45         [ $? = 0 ] && echo "OK" || echo "FAIL"
  46 }
  47
  48 stop() {
  49         printf "Stopping mysql ... "
  50         if [ -f $MYSQL_PID ]; then
  51                 kill `cat $MYSQL_PID` > /dev/null 2>&1
  52                 [ $? = 0 ] && echo "OK" || echo "FAIL"
  53         else
  54                 echo "FAIL"
  55         fi
  56 }
  57
  58 restart() {
  59         stop
  60         sleep 1
  61         start
  62 }
  63
  64 case "$1" in
  65   start)
  66         start
  67         ;;
  68   stop)
  69         stop
  70         ;;
  71   restart)
  72         restart
  73         ;;
  74   *)
  75         echo "Usage: $0 {start|stop|restart}"
  76         ;;
  77 esac