config/ctdb.init

   1 #!/bin/sh
   2 #
   3 ##############################
   4 # ctdb:                        Starts the clustered tdb daemon
   5 #
   6 # chkconfig:           - 90 36
   7 #
   8 # description:                 Starts and stops the clustered tdb daemon
   9 # pidfile:             /var/run/ctdbd/ctdbd.pid
  10 #
  11
  12 ### BEGIN INIT INFO
  13 # Provides:            ctdb
  14 # Required-Start:      $network
  15 # Required-Stop:
  16 # Default-Stop:
  17 # Default-Start:       3 5
  18 # Short-Description:   start and stop ctdb service
  19 # Description:         initscript for the ctdb service
  20 ### END INIT INFO
  21
  22 # Source function library.
  23 if [ -f /etc/init.d/functions ] ; then
  24   . /etc/init.d/functions
  25 elif [ -f /etc/rc.d/init.d/functions ] ; then
  26   . /etc/rc.d/init.d/functions
  27 fi
  28
  29 [ -f /etc/rc.status ] && {
  30     . /etc/rc.status
  31     rc_reset
  32     LC_ALL=en_US.UTF-8
  33 }
  34
  35 # Avoid using root's TMPDIR
  36 unset TMPDIR
  37
  38 [ -z "$CTDB_BASE" ] && {
  39     export CTDB_BASE="/etc/ctdb"
  40 }
  41
  42 . $CTDB_BASE/functions
  43 loadconfig network
  44 loadconfig ctdb
  45
  46 # check networking is up (for redhat)
  47 [ "${NETWORKING}" = "no" ] && exit 0
  48
  49 [ -z "$CTDB_RECOVERY_LOCK" ] && {
  50     echo "You must configure the location of the CTDB_RECOVERY_LOCK"
  51     exit 1
  52 }
  53 CTDB_OPTIONS="$CTDB_OPTIONS --reclock=$CTDB_RECOVERY_LOCK"
  54
  55 # build up CTDB_OPTIONS variable from optional parameters
  56 [ -z "$CTDB_LOGFILE" ]          || CTDB_OPTIONS="$CTDB_OPTIONS --logfile=$CTDB_LOGFILE"
  57 [ -z "$CTDB_NODES" ]            || CTDB_OPTIONS="$CTDB_OPTIONS --nlist=$CTDB_NODES"
  58 [ -z "$CTDB_SOCKET" ]           || CTDB_OPTIONS="$CTDB_OPTIONS --socket=$CTDB_SOCKET"
  59 [ -z "$CTDB_PUBLIC_ADDRESSES" ] || CTDB_OPTIONS="$CTDB_OPTIONS --public-addresses=$CTDB_PUBLIC_ADDRESSES"
  60 [ -z "$CTDB_PUBLIC_INTERFACE" ] || CTDB_OPTIONS="$CTDB_OPTIONS --public-interface=$CTDB_PUBLIC_INTERFACE"
  61 [ -z "$CTDB_SINGLE_PUBLIC_IP" ] || CTDB_OPTIONS="$CTDB_OPTIONS --single-public-ip=$CTDB_SINGLE_PUBLIC_IP"
  62 [ -z "$CTDB_DBDIR" ]            || CTDB_OPTIONS="$CTDB_OPTIONS --dbdir=$CTDB_DBDIR"
  63 [ -z "$CTDB_DBDIR_PERSISTENT" ] || CTDB_OPTIONS="$CTDB_OPTIONS --dbdir-persistent=$CTDB_DBDIR_PERSISTENT"
  64 [ -z "$CTDB_EVENT_SCRIPT_DIR" ] || CTDB_OPTIONS="$CTDB_OPTIONS --event-script-dir $CTDB_EVENT_SCRIPT_DIR"
  65 [ -z "$CTDB_TRANSPORT" ]        || CTDB_OPTIONS="$CTDB_OPTIONS --transport $CTDB_TRANSPORT"
  66 [ -z "$CTDB_DEBUGLEVEL" ]       || CTDB_OPTIONS="$CTDB_OPTIONS -d $CTDB_DEBUGLEVEL"
  67 [ -z "$CTDB_START_AS_DISABLED" ] || [ "$CTDB_START_AS_DISABLED" != "yes" ] || {
  68         CTDB_OPTIONS="$CTDB_OPTIONS --start-as-disabled"
  69 }
  70 [ -z "$CTDB_CAPABILITY_RECMASTER" ] || [ "$CTDB_CAPABILITY_RECMASTER" != "no" ] || {
  71         CTDB_OPTIONS="$CTDB_OPTIONS --no-recmaster"
  72 }
  73 [ -z "$CTDB_CAPABILITY_LMASTER" ] || [ "$CTDB_CAPABILITY_LMASTER" != "no" ] || {
  74         CTDB_OPTIONS="$CTDB_OPTIONS --no-lmaster"
  75 }
  76 [ -z "$CTDB_LVS_PUBLIC_IP" ] || {
  77         CTDB_OPTIONS="$CTDB_OPTIONS --lvs"
  78 }
  79 [ -z "$CTDB_SCRIPT_LOG_LEVEL" ] || {
  80         CTDB_OPTIONS="$CTDB_OPTIONS --script-log-level=$CTDB_SCRIPT_LOG_LEVEL"
  81 }
  82
  83 if [ "$CTDB_VALGRIND" = "yes" ]; then
  84     init_style="valgrind"
  85 else if [ -x /sbin/startproc ]; then
  86     init_style="suse"
  87 else if [ -x /sbin/start-stop-daemon ]; then
  88         init_style="ubuntu"
  89     else
  90         init_style="redhat"
  91     fi
  92 fi
  93 fi
  94
  95 reset_retval() {
  96         return $1
  97 }
  98
  99 start() {
 100         killall -q ctdbd
 101         echo -n $"Starting ctdbd service: "
 102
 103         # check all persistent databases that they look ok
 104         PERSISTENT_DB_DIR="/var/ctdb/persistent"
 105         [ -z "$CTDB_DBDIR" ] || {
 106                 PERSISTENT_DB_DIR="$CTDB_DBDIR/persistent"
 107         }
 108         mkdir -p $PERSISTENT_DB_DIR 2>/dev/null
 109         for PDBASE in `ls $PERSISTENT_DB_DIR/*.tdb.[0-9] 2>/dev/null`; do
 110                 /usr/bin/tdbdump $PDBASE >/dev/null 2>/dev/null || {
 111                         echo "Persistent database $PDBASE is corrupted! CTDB will not start."
 112                         return 1
 113                 }
 114         done
 115
 116         case $init_style in
 117             valgrind)
 118                 valgrind -q --log-file=/var/log/ctdb_valgrind /usr/sbin/ctdbd --nosetsched $CTDB_OPTIONS
 119                 RETVAL=0
 120                 ;;
 121             suse)
 122                 startproc /usr/sbin/ctdbd $CTDB_OPTIONS
 123                 rc_status -v
 124                 RETVAL=$?
 125                 ;;
 126             redhat)
 127                 daemon ctdbd $CTDB_OPTIONS
 128                 RETVAL=$?
 129                 echo
 130                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1
 131                 ;;
 132             ubuntu)
 133                 start-stop-daemon --start --quiet --background --exec /usr/sbin/ctdbd -- $CTDB_OPTIONS
 134                 RETVAL=$?
 135                 ;;
 136         esac
 137
 138         sleep 1
 139         # set any tunables from the config file
 140         set | grep ^CTDB_SET_ | cut -d_ -f3- |
 141         while read v; do
 142             varname=`echo $v | cut -d= -f1`
 143             value=`echo $v | cut -d= -f2`
 144             ctdb setvar $varname $value || RETVAL=1
 145         done || exit 1
 146
 147         return $RETVAL
 148 }
 149
 150 stop() {
 151         echo -n $"Shutting down ctdbd service: "
 152         ctdb ping >& /dev/null || {
 153             echo -n "  Warning: ctdbd not running ! "
 154             case $init_style in
 155                 suse)
 156                     rc_status -v
 157                     ;;
 158                 redhat)
 159                     echo ""
 160                     ;;
 161             esac
 162             return 0
 163         }
 164         ctdb shutdown
 165         RETVAL=$?
 166         count=0
 167         if [ "$init_style" = "valgrind" ]; then
 168             # very crude method
 169             sleep 2
 170             pkill -9 -f valgrind
 171         fi
 172         while killall -q -0 ctdbd; do
 173             sleep 1
 174             count=`expr $count + 1`
 175             [ $count -gt 10 ] && {
 176                 echo -n $"killing ctdbd "
 177                 killall -q -9 ctdbd
 178                 pkill -9 -f $CTDB_BASE/events.d/
 179             }
 180         done
 181         case $init_style in
 182             suse)
 183                 # re-set the return code to the recorded RETVAL
 184                 # in order to print the correct status message
 185                 set_retval $RETVAL
 186                 rc_status -v
 187                 ;;
 188             redhat)
 189                 echo
 190                 [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb
 191                 echo ""
 192                 ;;
 193         esac
 194         return $RETVAL
 195 }
 196
 197 restart() {
 198         stop
 199         start
 200 }
 201
 202 status() {
 203         echo -n $"Checking for ctdbd service: "
 204         ctdb ping >& /dev/null || {
 205             RETVAL=$?
 206             echo -n "  ctdbd not running. "
 207             case $init_style in
 208                 suse)
 209                     set_retval $RETVAL
 210                     rc_status -v
 211                     ;;
 212                 redhat)
 213                     echo ""
 214                     ;;
 215             esac
 216             return $RETVAL
 217         }
 218         echo ""
 219         ctdb status
 220 }
 221
 222
 223 case "$1" in
 224   start)
 225         start
 226         ;;
 227   stop)
 228         stop
 229         ;;
 230   restart|reload)
 231         restart
 232         ;;
 233   status)
 234         status
 235         ;;
 236   condrestart)
 237         ctdb status > /dev/null && restart || :
 238         ;;
 239   cron)
 240         # used from cron to auto-restart ctdb
 241         ctdb status > /dev/null || restart
 242         ;;
 243   *)
 244         echo $"Usage: $0 {start|stop|restart|status|cron|condrestart}"
 245         exit 1
 246 esac
 247
 248 exit $?