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