config/ctdb.init

   1 #!/bin/sh
   2 #
   3 ##############################
   4 # ctdb:                        Starts the clustered tdb daemon
   5 #
   6 # chkconfig:           - 90 01
   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:       $network
  16 # Default-Stop:
  17 # Default-Start:       3 5
  18 # Short-Description:   start and stop ctdb service
  19 # Description:         initscript for the ctdb service
  20 ### END INIT INFO
  21
  22 # Source function library.
  23 if [ -f /etc/init.d/functions ] ; then
  24   . /etc/init.d/functions
  25 elif [ -f /etc/rc.d/init.d/functions ] ; then
  26   . /etc/rc.d/init.d/functions
  27 fi
  28
  29 [ -f /etc/rc.status ] && {
  30     . /etc/rc.status
  31     rc_reset
  32     LC_ALL=en_US.UTF-8
  33 }
  34
  35 # Avoid using root's TMPDIR
  36 unset TMPDIR
  37
  38 [ -z "$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 "$CTDB_DBDIR" ]            || CTDB_OPTIONS="$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_NOTIFY_SCRIPT" ]       || CTDB_OPTIONS="$CTDB_OPTIONS --notification-script=$CTDB_NOTIFY_SCRIPT"
  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="$CTDB_OPTIONS --lvs --single-public-ip=$CTDB_LVS_PUBLIC_IP"
  78 }
  79 [ -z "$CTDB_SCRIPT_LOG_LEVEL" ] || {
  80         CTDB_OPTIONS="$CTDB_OPTIONS --script-log-level=$CTDB_SCRIPT_LOG_LEVEL"
  81 }
  82
  83 detect_init_style
  84 export CTDB_INIT_STYLE
  85
  86 if [ "x$CTDB_VALGRIND" = "xyes" ]; then
  87         init_style="valgrind"
  88 else
  89         init_style="$CTDB_INIT_STYLE"
  90 fi
  91
  92 set_retval() {
  93         return $1
  94 }
  95
  96 ctdbd=${CTDBD:-/usr/sbin/ctdbd}
  97
  98 start() {
  99         echo -n $"Starting ctdbd service: "
 100
 101         ctdb ping >& /dev/null
 102         if [ $? == "0" ] ; then
 103                 echo $"CTDB is already running"
 104                 RETVAL=1
 105                 return $RETVAL
 106         fi
 107
 108         # check all persistent databases that they look ok
 109         PERSISTENT_DB_DIR="/var/ctdb/persistent"
 110         [ -z "$CTDB_DBDIR" ] || {
 111                 PERSISTENT_DB_DIR="$CTDB_DBDIR/persistent"
 112         }
 113         mkdir -p $PERSISTENT_DB_DIR 2>/dev/null
 114         for PDBASE in `ls $PERSISTENT_DB_DIR/*.tdb.[0-9] 2>/dev/null`; do
 115                 /usr/bin/tdbdump $PDBASE >/dev/null 2>/dev/null || {
 116                         echo "Persistent database $PDBASE is corrupted! CTDB will not start."
 117                         return 1
 118                 }
 119         done
 120
 121         case $init_style in
 122             valgrind)
 123                 daemon valgrind -q --log-file=/var/log/ctdb_valgrind \
 124                     $ctdbd --nosetsched $CTDB_OPTIONS
 125                 RETVAL=0
 126                 ;;
 127             suse)
 128                 startproc $ctdbd $CTDB_OPTIONS
 129                 rc_status -v
 130                 RETVAL=$?
 131                 ;;
 132             redhat)
 133                 daemon $ctdbd $CTDB_OPTIONS
 134                 RETVAL=$?
 135                 echo
 136                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1
 137                 ;;
 138             ubuntu)
 139                 start-stop-daemon --start --quiet --background \
 140                     --exec $ctdbd -- $CTDB_OPTIONS
 141                 RETVAL=$?
 142                 ;;
 143         esac
 144
 145         sleep 1
 146         # set any tunables from the config file
 147         set | grep ^CTDB_SET_ | cut -d_ -f3- |
 148         while read v; do
 149             varname=`echo $v | cut -d= -f1`
 150             value=`echo $v | cut -d= -f2`
 151             ctdb setvar $varname $value || RETVAL=1
 152         done || exit 1
 153
 154         return $RETVAL
 155 }
 156
 157 stop() {
 158         echo -n $"Shutting down ctdbd service: "
 159         pkill -0 -f $ctdbd || {
 160             echo -n "  Warning: ctdbd not running ! "
 161             case $init_style in
 162                 suse)
 163                     rc_status -v
 164                     ;;
 165                 redhat)
 166                     echo ""
 167                     ;;
 168             esac
 169             return 0
 170         }
 171         ctdb shutdown >/dev/null 2>&1
 172         RETVAL=$?
 173         count=0
 174         while pkill -0 -f $ctdbd ; do
 175             sleep 1
 176             count=$(($count + 1))
 177             [ $count -gt 10 ] && {
 178                 echo -n $"killing ctdbd "
 179                 pkill -9 -f $ctdbd
 180                 pkill -9 -f $CTDB_BASE/events.d/
 181             }
 182         done
 183         case $init_style in
 184             suse)
 185                 # re-set the return code to the recorded RETVAL
 186                 # in order to print the correct status message
 187                 set_retval $RETVAL
 188                 rc_status -v
 189                 ;;
 190             redhat)
 191                 echo
 192                 [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb
 193                 echo ""
 194                 ;;
 195         esac
 196         return $RETVAL
 197 }
 198
 199 restart() {
 200         stop
 201         start
 202 }
 203
 204 status() {
 205         echo -n $"Checking for ctdbd service: "
 206         ctdb ping >& /dev/null || {
 207             RETVAL=$?
 208             echo -n "  ctdbd not running. "
 209             case $init_style in
 210                 suse)
 211                     set_retval $RETVAL
 212                     rc_status -v
 213                     ;;
 214                 redhat)
 215                     echo ""
 216                     ;;
 217             esac
 218             return $RETVAL
 219         }
 220         echo ""
 221         ctdb status
 222 }
 223
 224
 225 case "$1" in
 226   start)
 227         start
 228         ;;
 229   stop)
 230         stop
 231         ;;
 232   restart|reload)
 233         restart
 234         ;;
 235   status)
 236         status
 237         ;;
 238   condrestart)
 239         ctdb status > /dev/null && restart || :
 240         ;;
 241   cron)
 242         # used from cron to auto-restart ctdb
 243         ctdb status > /dev/null || restart
 244         ;;
 245   *)
 246         echo $"Usage: $0 {start|stop|restart|status|cron|condrestart}"
 247         exit 1
 248 esac
 249
 250 exit $?