git.8kb.co.uk Git - pgpool-ii/pgpool-ii_2.2.5/blob - redhat/pgpool.init

   1 #!/bin/sh
   2 # pgpool    This is the init script for starting up pgpool-II
   3 #
   4 # chkconfig: - 64 36
   5 # description: Starts and stops the pgpool daemon
   6 # processname: pgpool
   7 # pidfile:      /var/run/pgpool.pid
   8 #
   9 # v1.0.0 Devrim GUNDUZ <devrim@CommandPrompt.com>
  10 # - Initial version of Red Hat / Fedora init script
  11 #
  12 # v2.2 Devrim GUNDUZ <devrim@CommandPrompt.com>
  13 # - New and improved version which has some fixes.
  14
  15 if [ -r /etc/sysconfig/pgpool ]; then
  16     . /etc/sysconfig/pgpool
  17 fi
  18
  19 # Source function library.
  20 INITD=/etc/rc.d/init.d
  21 . $INITD/functions
  22
  23 # Get function listing for cross-distribution logic.
  24 TYPESET=`typeset -f|grep "declare"`
  25
  26 # Get config.
  27 . /etc/sysconfig/network
  28
  29 # Check that networking is up.
  30 # We need it for pgpool
  31 [ "${NETWORKING}" = "no" ] && exit 0
  32
  33 # Find the name of the script
  34 NAME=`basename $0`
  35 if [ ${NAME:0:1} = "S" -o ${NAME:0:1} = "K" ]
  36 then
  37         NAME=${NAME:3}
  38 fi
  39
  40 # Set defaults for configuration variables
  41 PGPOOLENGINE=/usr/bin
  42 PGPOOLDAEMON=$PGPOOLENGINE/pgpool
  43 PGPOOLCONF=/etc/pgpool-II/pgpool.conf
  44 PGPOOLPIDDIR=/var/run/pgpool
  45 PGPOOLLOG=/var/log/pgpool.log
  46
  47 test -x $PGPOOLDAEMON || exit 5
  48
  49 # Check whether the config file exists or not
  50 if [ ! -r $PGPOOLCONF ]
  51 then
  52         echo "$PGPOOLCONF not found"
  53         RETVAL=1
  54         failure
  55         exit
  56 fi
  57
  58 # Create the log file if it does not exist
  59 if [ ! -x $PGPOOLLOG ]
  60 then
  61         touch $PGPOOLLOG
  62         chown postgres: $PGPOOLLOG
  63 fi
  64
  65 if [ ! -d $PGPOOLPIDDIR ]
  66 then
  67         mkdir $PGPOOLPIDDIR
  68         chown postgres: $PGPOOLPIDDIR
  69 fi
  70
  71 script_result=0
  72
  73 start(){
  74         pid=`pidof -s "$PGPOOLDAEMON"`
  75         if [ $pid ]
  76         then
  77                 echo "pgpool is already running with pid $pid"
  78                 failure "$PGPOQL_START"
  79                 echo
  80                 script_result=1
  81                 exit 1
  82         fi
  83
  84         PGPOOL_START=$"Starting ${NAME} service: "
  85
  86         echo -n "$PGPOOL_START"
  87
  88         $PGPOOLDAEMON -f $PGPOOLCONF $OPTS & >> "$PGPOOLLOG" 2>&1 < /dev/null
  89         sleep 2
  90
  91         pid=`pidof -s "$PGPOOLDAEMON"`
  92         if [ $pid ]
  93         then
  94                 success "$PGPOOL_START"
  95                 touch /var/lock/subsys/${NAME}
  96                 echo
  97         else
  98                 failure "$PGPOQL_START"
  99                 echo
 100                 script_result=1
 101         fi
 102 }
 103
 104 stop(){
 105         echo -n $"Stopping ${NAME} service: "
 106         if [ $UID -ne 0 ]; then
 107                 RETVAL=1
 108                 failure
 109         else
 110                 killproc /usr/bin/pgpool
 111 #               $PGPOOLDAEMON stop & >> "$PGPOOLLOG" 2>&1 < /dev/null
 112                 RETVAL=$?
 113                 [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/${NAME}
 114         fi;
 115         echo
 116         return $RETVAL
 117 }
 118
 119 switch() {
 120         echo -n $"Sending switchover request to $NAME "
 121         $PGPOOLDAEMON -f $PGPOOLCONF switch >> "$PGPOOLLOG" 2>&1 < /dev/null
 122         RETVAL=$?
 123         echo
 124         if [ $RETVAL -eq 0 ]
 125         then
 126                 echo_success
 127         else
 128                 echo_failure
 129         fi
 130         echo
 131 }
 132
 133 restart(){
 134     stop
 135     start
 136 }
 137
 138 reload(){
 139         echo -n $"Reloading ${NAME}: "
 140
 141         if [ -n "`pidfileofproc $PGPOOLDAEMON`" ] ; then
 142                 killproc $PGPOOLDAEMON -HUP
 143         else
 144                 failure $"Reloading ${NAME}"
 145         fi
 146         RETVAL=$?
 147         echo
 148 }
 149
 150 condrestart(){
 151         [ -e /var/lock/subsys/${NAME} ] && restart
 152 }
 153
 154 condstop(){
 155         [ -e /var/lock/subsys/${NAME} ] && stop
 156 }
 157
 158 # See how we were called.
 159 case "$1" in
 160   start)
 161         start
 162         ;;
 163   stop)
 164         stop
 165         ;;
 166   switch)
 167         switch
 168         ;;
 169   status)
 170         status pgpool
 171         script_result=$?
 172         ;;
 173   restart)
 174         restart
 175         ;;
 176   reload|force-reload)
 177         reload
 178         ;;
 179   condrestart)
 180         condrestart
 181         ;;
 182   condstop)
 183         condstop
 184         ;;
 185   *)
 186         echo $"Usage: $0 {start|stop|switch|status|restart|condrestart|condstop|reload|force-reload}"
 187         exit 1
 188 esac
 189
 190 exit $script_result