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