4.2/ctdb.initd

ctdb.initd (text/plain), 3.40 KB, created by Denis Kaganovich on 2015-03-10 14:09:14 UTC

#!/sbin/runscript

# taken from old ctdb packages with minimal changes, most old options not checked

depend() {
  need localmount
  need net
  before samba
  after bootmisc
}

start() {
  ebegin "Starting ctdb"
  checkpath -d /var/run/ctdb
  
  [ -z "$CTDB_RECOVERY_LOCK" ] && {
    eerror "To avoid split-brain - configure the location of the CTDB_RECOVERY_LOCK in /etc/conf.d/ctdb"
    eerror "You are warned!"
  }

  [ -z "$CTDB_PUBLIC_ADDRESSES" ] && {
    eerror "You must configure the location of the CTDB_PUBLIC_ADDRESSES in /etc/conf.d/ctdb"
    return 1
  }

  [ -z "$CTDB_PUBLIC_INTERFACE" ] && {
    eerror "You must configure the location of the CTDB_PUBLIC_INTERFACE in /etc/conf.d/ctdb"
    return 1
  }

   [ -n "$CTDB_RECOVERY_LOCK" ] && CTDB_OPTIONS="$CTDB_OPTIONS --reclock=$CTDB_RECOVERY_LOCK"

  # build up CTDB_OPTIONS variable from optional parameters
  [ -z "$CTDB_LOGFILE" ]          || CTDB_OPTIONS="$CTDB_OPTIONS --logfile=$CTDB_LOGFILE"
  [ -z "$CTDB_NODES" ]            || CTDB_OPTIONS="$CTDB_OPTIONS --nlist=$CTDB_NODES"
  [ -z "$CTDB_SOCKET" ]           || CTDB_OPTIONS="$CTDB_OPTIONS --socket=$CTDB_SOCKET"
  [ -z "$CTDB_PUBLIC_ADDRESSES" ] || CTDB_OPTIONS="$CTDB_OPTIONS --public-addresses=$CTDB_PUBLIC_ADDRESSES"
  [ -z "$CTDB_PUBLIC_INTERFACE" ] || CTDB_OPTIONS="$CTDB_OPTIONS --public-interface=$CTDB_PUBLIC_INTERFACE"
  [ -z "$CTDB_SINGLE_PUBLIC_IP" ] || CTDB_OPTIONS="$CTDB_OPTIONS --single-public-ip=$CTDB_SINGLE_PUBLIC_IP"
  [ -z "$CTDB_DBDIR" ]            || CTDB_OPTIONS="$CTDB_OPTIONS --dbdir=$CTDB_DBDIR"
  [ -z "$CTDB_DBDIR_PERSISTENT" ] || CTDB_OPTIONS="$CTDB_OPTIONS --dbdir-persistent=$CTDB_DBDIR_PERSISTENT"
  [ -z "$CTDB_EVENT_SCRIPT_DIR" ] || CTDB_OPTIONS="$CTDB_OPTIONS --event-script-dir $CTDB_EVENT_SCRIPT_DIR"
  [ -z "$CTDB_TRANSPORT" ]        || CTDB_OPTIONS="$CTDB_OPTIONS --transport $CTDB_TRANSPORT"
  [ -z "$CTDB_DEBUGLEVEL" ]       || CTDB_OPTIONS="$CTDB_OPTIONS -d $CTDB_DEBUGLEVEL"
  [ -z "$CTDB_START_AS_DISABLED" ] || [ "$CTDB_START_AS_DISABLED" != "yes" ] || {
    CTDB_OPTIONS="$CTDB_OPTIONS --start-as-disabled"
  }
  [ -z "$CTDB_CAPABILITY_RECMASTER" ] || [ "$CTDB_CAPABILITY_RECMASTER" != "no" ] || {
    CTDB_OPTIONS="$CTDB_OPTIONS --no-recmaster"
  }
  [ -z "$CTDB_CAPABILITY_LMASTER" ] || [ "$CTDB_CAPABILITY_LMASTER" != "no" ] || {
    CTDB_OPTIONS="$CTDB_OPTIONS --no-lmaster"
  }
  [ -z "$CTDB_LVS_PUBLIC_IP" ] || {
    CTDB_OPTIONS="$CTDB_OPTIONS --lvs"
  }
  [ -z "$CTDB_SCRIPT_LOG_LEVEL" ] || {
    CTDB_OPTIONS="$CTDB_OPTIONS --script-log-level=$CTDB_SCRIPT_LOG_LEVEL"
  }

  # check all persistent databases that they look ok
  PERSISTENT_DB_DIR="/var/ctdb/persistent"
  [ -z "$CTDB_DBDIR" ] || {
    PERSISTENT_DB_DIR="$CTDB_DBDIR/persistent"
  }
  mkdir -p $PERSISTENT_DB_DIR 2>/dev/null
  for PDBASE in `ls $PERSISTENT_DB_DIR/*.tdb.[0-9] 2>/dev/null`; do
    /usr/bin/tdbdump $PDBASE >/dev/null 2>/dev/null || {
      eerror "Persistent database $PDBASE is corrupted! CTDB will not start."
      return 1
    }
  done

  start-stop-daemon --start --background --exec /usr/sbin/ctdbd -- $CTDB_OPTIONS

  einfo "Waiting ctdb health, ignore error messages..."
  # samba can not start else
  ctdb sync
  ctdb recover
  ctdb sync

  for i in 0 1 2 3 4 5 6 7 8 9 10; do
	(ctdb status|grep -qF "OK (THIS NODE)") && break
	pgrep -x ctdbd &>/dev/null || {
		eend 1
		return 1
	}
	sleep 1
  done

  # error codes too random, just OK
  eend 0
}
  
stop() {
  start-stop-daemon --stop --exec /usr/sbin/ctdbd
}