mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
Initscript cleanups.
* Move building of CTDB_OPTIONS to new function build_ctdb_options() and have it use a helper function for readability. * New functions check_persistent_databases() and set_ctdb_variables(). * Remove valgrind-specific stop code, since the general pkill should kill ctdbd when running under valgrind. * Remove some bash-isms (e.g. >& /dev/null) since the script is /bin/sh. * Make indentation consistent. * Minor clean-ups. Signed-off-by: Martin Schwenke <martin@meltin.net> Conflicts: config/ctdb.init (This used to be ctdb commit bebb21f18e3026cb78a306104e92ee005d1077b2)
This commit is contained in:
Ronnie Sahlberg
parent
021c09a842
commit
2708b305ca
@ -21,9 +21,9 @@
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# Source function library.
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if [ -f /etc/init.d/functions ] ; then
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. /etc/init.d/functions
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. /etc/init.d/functions
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elif [ -f /etc/rc.d/init.d/functions ] ; then
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. /etc/rc.d/init.d/functions
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. /etc/rc.d/init.d/functions
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fi
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[ -f /etc/rc.status ] && {
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@ -43,205 +43,231 @@ unset TMPDIR
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loadconfig network
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loadconfig ctdb
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# check networking is up (for redhat)
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[ "${NETWORKING}" = "no" ] && exit 0
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[ -z "$CTDB_RECOVERY_LOCK" ] && {
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echo "No recovery lock specified. Starting CTDB without split brain prevention"
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}
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# build up CTDB_OPTIONS variable from optional parameters
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[ -z "$CTDB_RECOVERY_LOCK" ] || CTDB_OPTIONS="$CTDB_OPTIONS --reclock=$CTDB_RECOVERY_LOCK"
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[ -z "$CTDB_LOGFILE" ] || CTDB_OPTIONS="$CTDB_OPTIONS --logfile=$CTDB_LOGFILE"
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[ -z "$CTDB_NODES" ] || CTDB_OPTIONS="$CTDB_OPTIONS --nlist=$CTDB_NODES"
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[ -z "$CTDB_SOCKET" ] || CTDB_OPTIONS="$CTDB_OPTIONS --socket=$CTDB_SOCKET"
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[ -z "$CTDB_PUBLIC_ADDRESSES" ] || CTDB_OPTIONS="$CTDB_OPTIONS --public-addresses=$CTDB_PUBLIC_ADDRESSES"
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[ -z "$CTDB_PUBLIC_INTERFACE" ] || CTDB_OPTIONS="$CTDB_OPTIONS --public-interface=$CTDB_PUBLIC_INTERFACE"
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[ -z "$CTDB_DBDIR" ] || CTDB_OPTIONS="$CTDB_OPTIONS --dbdir=$CTDB_DBDIR"
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[ -z "$CTDB_DBDIR_PERSISTENT" ] || CTDB_OPTIONS="$CTDB_OPTIONS --dbdir-persistent=$CTDB_DBDIR_PERSISTENT"
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[ -z "$CTDB_EVENT_SCRIPT_DIR" ] || CTDB_OPTIONS="$CTDB_OPTIONS --event-script-dir $CTDB_EVENT_SCRIPT_DIR"
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[ -z "$CTDB_TRANSPORT" ] || CTDB_OPTIONS="$CTDB_OPTIONS --transport $CTDB_TRANSPORT"
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[ -z "$CTDB_DEBUGLEVEL" ] || CTDB_OPTIONS="$CTDB_OPTIONS -d $CTDB_DEBUGLEVEL"
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[ -z "$CTDB_NOTIFY_SCRIPT" ] || CTDB_OPTIONS="$CTDB_OPTIONS --notification-script=$CTDB_NOTIFY_SCRIPT"
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[ -z "$CTDB_START_AS_DISABLED" ] || [ "$CTDB_START_AS_DISABLED" != "yes" ] || {
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CTDB_OPTIONS="$CTDB_OPTIONS --start-as-disabled"
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}
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[ -z "$CTDB_CAPABILITY_RECMASTER" ] || [ "$CTDB_CAPABILITY_RECMASTER" != "no" ] || {
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CTDB_OPTIONS="$CTDB_OPTIONS --no-recmaster"
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}
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[ -z "$CTDB_CAPABILITY_LMASTER" ] || [ "$CTDB_CAPABILITY_LMASTER" != "no" ] || {
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CTDB_OPTIONS="$CTDB_OPTIONS --no-lmaster"
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}
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[ -z "$CTDB_LVS_PUBLIC_IP" ] || {
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CTDB_OPTIONS="$CTDB_OPTIONS --lvs --single-public-ip=$CTDB_LVS_PUBLIC_IP"
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}
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[ -z "$CTDB_SCRIPT_LOG_LEVEL" ] || {
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CTDB_OPTIONS="$CTDB_OPTIONS --script-log-level=$CTDB_SCRIPT_LOG_LEVEL"
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}
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# check networking is up (for redhat)
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[ "$NETWORKING" = "no" ] && exit 0
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detect_init_style
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export CTDB_INIT_STYLE
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if [ "x$CTDB_VALGRIND" = "xyes" ]; then
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init_style="valgrind"
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ctdbd=${CTDBD:-/usr/sbin/ctdbd}
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if [ "$CTDB_VALGRIND" = "yes" ]; then
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init_style="valgrind"
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else
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init_style="$CTDB_INIT_STYLE"
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init_style="$CTDB_INIT_STYLE"
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fi
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build_ctdb_options () {
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[ -z "$CTDB_RECOVERY_LOCK" ] && {
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echo "You must configure the location of the CTDB_RECOVERY_LOCK"
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exit 1
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}
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maybe_set () {
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# If the 2nd arg is null then return - don't set anything.
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# Else if the 3rd arg is set and it doesn't match the 2nd arg
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# then return
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[ -z "$2" -o \( -n "$3" -a "$3" != "$2" \) ] && return
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val="$2"
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case "$1" in
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--*) sep="=" ;;
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-*) sep=" " ;;
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esac
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# For these options we're only passing a value-less flag.
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[ -n "$3" ] && {
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val=""
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sep=""
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}
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CTDB_OPTIONS="${CTDB_OPTIONS}${CTDB_OPTIONS:+ }${1}${sep}${val}"
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}
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maybe_set "--reclock" "$CTDB_RECOVERY_LOCK"
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# build up CTDB_OPTIONS variable from optional parameters
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maybe_set "--logfile" "$CTDB_LOGFILE"
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maybe_set "--nlist" "$CTDB_NODES"
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maybe_set "--socket" "$CTDB_SOCKET"
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maybe_set "--public-addresses" "$CTDB_PUBLIC_ADDRESSES"
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maybe_set "--public-interface" "$CTDB_PUBLIC_INTERFACE"
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maybe_set "--dbdir" "$CTDB_DBDIR"
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maybe_set "--dbdir-persistent" "$CTDB_DBDIR_PERSISTENT"
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maybe_set "--event-script-dir" "$CTDB_EVENT_SCRIPT_DIR"
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maybe_set "--transport" "$CTDB_TRANSPORT"
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maybe_set "-d" "$CTDB_DEBUGLEVEL"
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maybe_set "--notification-script" "$CTDB_NOTIFY_SCRIPT"
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maybe_set "--start-as-disabled" "$CTDB_START_AS_DISABLED" "yes"
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maybe_set "--no-recmaster" "$CTDB_CAPABILITY_RECMASTER" "no"
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maybe_set "--no-lmaster" "$CTDB_CAPABILITY_LMASTER" "no"
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maybe_set "--lvs --single-public-ip" "$CTDB_LVS_PUBLIC_IP"
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maybe_set "--script-log-level" "$CTDB_SCRIPT_LOG_LEVEL"
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}
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check_persistent_databases () {
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PERSISTENT_DB_DIR="${CTDB_DBDIR:-/var/ctdb}/persistent"
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mkdir -p $PERSISTENT_DB_DIR 2>/dev/null
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for PDBASE in `ls $PERSISTENT_DB_DIR/*.tdb.[0-9] 2>/dev/null`; do
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/usr/bin/tdbdump $PDBASE >/dev/null 2>/dev/null || {
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echo "Persistent database $PDBASE is corrupted! CTDB will not start."
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return 1
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}
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done
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}
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set_ctdb_variables () {
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# set any tunables from the config file
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set | grep ^CTDB_SET_ | cut -d_ -f3- |
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while read v; do
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varname=`echo $v | cut -d= -f1`
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value=`echo $v | cut -d= -f2`
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ctdb setvar $varname $value || RETVAL=1
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done || exit 1
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}
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set_retval() {
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return $1
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return $1
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}
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ctdbd=${CTDBD:-/usr/sbin/ctdbd}
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start() {
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echo -n $"Starting ctdbd service: "
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echo -n $"Starting ctdbd service: "
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ctdb ping >& /dev/null
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if [ $? == "0" ] ; then
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echo $"CTDB is already running"
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RETVAL=1
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return $RETVAL
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fi
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ctdb ping >/dev/null 2>&1 && {
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echo $"CTDB is already running"
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return 1
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}
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# check all persistent databases that they look ok
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PERSISTENT_DB_DIR="/var/ctdb/persistent"
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[ -z "$CTDB_DBDIR" ] || {
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PERSISTENT_DB_DIR="$CTDB_DBDIR/persistent"
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}
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mkdir -p $PERSISTENT_DB_DIR 2>/dev/null
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for PDBASE in `ls $PERSISTENT_DB_DIR/*.tdb.[0-9] 2>/dev/null`; do
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/usr/bin/tdbdump $PDBASE >/dev/null 2>/dev/null || {
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echo "Persistent database $PDBASE is corrupted! CTDB will not start."
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return 1
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}
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done
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build_ctdb_options
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case $init_style in
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valgrind)
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valgrind -q --log-file=/var/log/ctdb_valgrind \
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$ctdbd --nosetsched $CTDB_OPTIONS
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RETVAL=0
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;;
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suse)
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startproc $ctdbd $CTDB_OPTIONS
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rc_status -v
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RETVAL=$?
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;;
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redhat)
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daemon $ctdbd $CTDB_OPTIONS
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RETVAL=$?
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echo
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[ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1
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;;
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ubuntu)
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start-stop-daemon --start --quiet --background \
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--exec $ctdbd -- $CTDB_OPTIONS
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RETVAL=$?
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;;
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esac
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check_persistent_databases || return $?
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sleep 1
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# set any tunables from the config file
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set | grep ^CTDB_SET_ | cut -d_ -f3- |
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while read v; do
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varname=`echo $v | cut -d= -f1`
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value=`echo $v | cut -d= -f2`
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ctdb setvar $varname $value || RETVAL=1
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done || exit 1
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case $init_style in
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valgrind)
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valgrind -q --log-file=/var/log/ctdb_valgrind \
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$ctdbd --nosetsched $CTDB_OPTIONS
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RETVAL=$?
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echo
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;;
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suse)
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startproc $ctdbd $CTDB_OPTIONS
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rc_status -v
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RETVAL=$?
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;;
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redhat)
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daemon $ctdbd $CTDB_OPTIONS
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RETVAL=$?
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echo
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[ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1
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;;
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ubuntu)
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start-stop-daemon --start --quiet --background \
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--exec $ctdbd -- $CTDB_OPTIONS
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RETVAL=$?
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;;
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esac
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return $RETVAL
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sleep 1
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set_ctdb_variables
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return $RETVAL
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}
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stop() {
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echo -n $"Shutting down ctdbd service: "
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pkill -0 -f $ctdbd || {
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echo -n " Warning: ctdbd not running ! "
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case $init_style in
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suse)
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rc_status -v
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;;
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redhat)
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echo ""
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;;
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esac
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return 0
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}
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ctdb shutdown >/dev/null 2>&1
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RETVAL=$?
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count=0
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while pkill -0 -f $ctdbd ; do
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sleep 1
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count=$(($count + 1))
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[ $count -gt 10 ] && {
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echo -n $"killing ctdbd "
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pkill -9 -f $ctdbd
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pkill -9 -f $CTDB_BASE/events.d/
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}
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done
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echo -n $"Shutting down ctdbd service: "
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pkill -0 -f $ctdbd || {
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echo -n " Warning: ctdbd not running ! "
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case $init_style in
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suse)
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rc_status -v
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;;
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redhat)
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echo ""
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;;
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esac
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return 0
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}
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ctdb shutdown >/dev/null 2>&1
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RETVAL=$?
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count=0
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while pkill -0 -f $ctdbd ; do
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sleep 1
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count=$(($count + 1))
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[ $count -gt 10 ] && {
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echo -n $"killing ctdbd "
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pkill -9 -f $ctdbd
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pkill -9 -f $CTDB_BASE/events.d/
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}
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done
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case $init_style in
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suse)
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# re-set the return code to the recorded RETVAL in order
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# to print the correct status message
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set_retval $RETVAL
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rc_status -v
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;;
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redhat)
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echo
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[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb
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echo ""
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;;
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esac
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return $RETVAL
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}
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restart() {
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stop
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start
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}
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status() {
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echo -n $"Checking for ctdbd service: "
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ctdb ping >/dev/null 2>&1 || {
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RETVAL=$?
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echo -n " ctdbd not running. "
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case $init_style in
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suse)
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# re-set the return code to the recorded RETVAL
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# in order to print the correct status message
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set_retval $RETVAL
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rc_status -v
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;;
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redhat)
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echo
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[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb
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echo ""
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;;
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esac
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return $RETVAL
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}
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restart() {
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stop
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start
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}
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status() {
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echo -n $"Checking for ctdbd service: "
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ctdb ping >& /dev/null || {
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RETVAL=$?
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echo -n " ctdbd not running. "
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case $init_style in
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suse)
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set_retval $RETVAL
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rc_status -v
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;;
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redhat)
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echo ""
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;;
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esac
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return $RETVAL
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}
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echo ""
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ctdb status
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}
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}
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echo ""
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ctdb status
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}
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case "$1" in
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start)
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start)
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start
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;;
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stop)
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stop)
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stop
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;;
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restart|reload)
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restart|reload)
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restart
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;;
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status)
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status)
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status
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;;
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condrestart)
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condrestart)
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ctdb status > /dev/null && restart || :
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;;
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cron)
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cron)
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# used from cron to auto-restart ctdb
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ctdb status > /dev/null || restart
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;;
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*)
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*)
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echo $"Usage: $0 {start|stop|restart|status|cron|condrestart}"
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exit 1
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esac
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