/init.d/ctdb
Shell | 366 lines | 282 code | 41 blank | 43 comment | 49 complexity | 730a31159683fc915d5df86f7a643e2a MD5 | raw file
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 $local_fs $remote_fs 15# Required-Stop: $network $local_fs $remote_fs 16# Default-Start: 2 3 4 5 17# Default-Stop: 0 1 6 18# Short-Description: start and stop ctdb service 19# Description: initscript for the ctdb service 20### END INIT INFO 21 22 23PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin 24 25NAME=ctdb 26DESC="Clustered TDB" 27 28#LSB 29if [ -f /lib/lsb/init-functions ] ; then 30 . /lib/lsb/init-functions 31fi 32if ! type 'log_daemon_msg' >/dev/null; then 33 log_daemon_msg () { 34 if [ -z "${1:-}" ]; then 35 return 1 36 fi 37 38 if [ -z "${2:-}" ]; then 39 echo -n "$1:" 40 return 41 fi 42 43 echo -n "$1: $2" 44 } 45fi 46if ! type 'log_progress_msg' >/dev/null; then 47 log_progress_msg () { 48 if [ -z "${1:-}" ]; then 49 return 1 50 fi 51 echo -n " $@" 52 } 53fi 54if ! type 'log_end_msg' >/dev/null; then 55 log_end_msg () { 56 # If no arguments were passed, return 57 if [ -z "${1:-}" ]; then 58 return 1 59 fi 60 61 retval=$1 62 63 if [ $1 -eq 0 ]; then 64 echo "." 65 elif [ $1 -eq 255 ]; then 66 /bin/echo -e " (warning)." 67 else 68 /bin/echo -e " failed!" 69 fi 70 return $retval 71 } 72fi 73 74# Source function library. 75if [ -f /etc/init.d/functions ] ; then 76 . /etc/init.d/functions 77elif [ -f /etc/rc.d/init.d/functions ] ; then 78 . /etc/rc.d/init.d/functions 79fi 80 81#gettext 82if [ -f /usr/bin/gettext.sh ] ; then 83 . /usr/bin/gettext.sh 84fi 85if ! type 'eval_gettext' >/dev/null; then 86 eval_gettext() { 87 echo -n "$1" | (export PATH `envsubst --variables "$1"`; envsubst "$1") 88 } 89fi 90 91[ -f /etc/rc.status ] && { 92 . /etc/rc.status 93 rc_reset 94 LC_ALL=en_US.UTF-8 95} 96 97# Avoid using root's TMPDIR 98unset TMPDIR 99 100[ -z "$CTDB_BASE" ] && { 101 export CTDB_BASE="/etc/ctdb" 102} 103 104. $CTDB_BASE/functions 105loadconfig network 106loadconfig ctdb 107 108set -e 109 110# check networking is up (for redhat) 111[ "$NETWORKING" = "no" ] && exit 0 112 113detect_init_style 114export CTDB_INIT_STYLE 115 116ctdbd=${CTDBD:-/usr/sbin/ctdbd} 117 118test -x $ctdbd || exit 0 119 120if [ "$CTDB_VALGRIND" = "yes" ]; then 121 init_style="valgrind" 122else 123 init_style="$CTDB_INIT_STYLE" 124fi 125 126build_ctdb_options () { 127 [ -z "$CTDB_RECOVERY_LOCK" ] && { 128 echo "You must configure the location of the CTDB_RECOVERY_LOCK" 129 exit 1 130 } 131 132 maybe_set () { 133 # If the 2nd arg is null then return - don't set anything. 134 # Else if the 3rd arg is set and it doesn't match the 2nd arg 135 # then return 136 [ -z "$2" -o \( -n "$3" -a "$3" != "$2" \) ] && return 137 138 val="$2" 139 case "$1" in 140 --*) sep="=" ;; 141 -*) sep=" " ;; 142 esac 143 # For these options we're only passing a value-less flag. 144 [ -n "$3" ] && { 145 val="" 146 sep="" 147 } 148 149 CTDB_OPTIONS="${CTDB_OPTIONS}${CTDB_OPTIONS:+ }${1}${sep}${val}" 150 } 151 152 [ -z "$CTDB_RECOVERY_LOCK" ] && { 153 echo "No recovery lock specified. Starting CTDB without split brain prevention" 154 } 155 maybe_set "--reclock" "$CTDB_RECOVERY_LOCK" 156 157 # build up CTDB_OPTIONS variable from optional parameters 158 maybe_set "--logfile" "$CTDB_LOGFILE" 159 maybe_set "--nlist" "$CTDB_NODES" 160 maybe_set "--socket" "$CTDB_SOCKET" 161 maybe_set "--public-addresses" "$CTDB_PUBLIC_ADDRESSES" 162 maybe_set "--public-interface" "$CTDB_PUBLIC_INTERFACE" 163 maybe_set "--dbdir" "$CTDB_DBDIR" 164 maybe_set "--dbdir-persistent" "$CTDB_DBDIR_PERSISTENT" 165 maybe_set "--event-script-dir" "$CTDB_EVENT_SCRIPT_DIR" 166 maybe_set "--transport" "$CTDB_TRANSPORT" 167 maybe_set "-d" "$CTDB_DEBUGLEVEL" 168 maybe_set "--notification-script" "$CTDB_NOTIFY_SCRIPT" 169 maybe_set "--start-as-disabled" "$CTDB_START_AS_DISABLED" "yes" 170 maybe_set "--start-as-stopped " "$CTDB_START_AS_STOPPED" "yes" 171 maybe_set "--no-recmaster" "$CTDB_CAPABILITY_RECMASTER" "no" 172 maybe_set "--no-lmaster" "$CTDB_CAPABILITY_LMASTER" "no" 173 maybe_set "--lvs --single-public-ip" "$CTDB_LVS_PUBLIC_IP" 174 maybe_set "--script-log-level" "$CTDB_SCRIPT_LOG_LEVEL" 175} 176 177check_persistent_databases () { 178 case $init_style in 179 debian) PERSISTENT_DB_DIR="${CTDB_DBDIR:-/var/lib/ctdb}/persistent" ;; 180 *) PERSISTENT_DB_DIR="${CTDB_DBDIR:-/var/ctdb}/persistent" ;; 181 esac 182 mkdir -p $PERSISTENT_DB_DIR 2>/dev/null 183 for PDBASE in `ls $PERSISTENT_DB_DIR/*.tdb.[0-9] 2>/dev/null`; do 184 /usr/bin/tdbdump $PDBASE >/dev/null 2>/dev/null || { 185 echo "Persistent database $PDBASE is corrupted! CTDB will not start." 186 return 1 187 } 188 done 189} 190 191set_ctdb_variables () { 192 # set any tunables from the config file 193 set | grep ^CTDB_SET_ | cut -d_ -f3- | 194 while read v; do 195 varname=`echo $v | cut -d= -f1` 196 value=`echo $v | cut -d= -f2` 197 ctdb setvar $varname $value || RETVAL=1 198 done || exit 1 199} 200 201set_retval() { 202 return $1 203} 204 205running() { 206 pkill -0 -f $ctdbd || return 1 207 return 0 208} 209 210start_server() { 211 build_ctdb_options 212 213 check_persistent_databases || return $? 214 215 if [ yes == "$CTDB_SUPPRESS_COREFILE" ]; then 216 ulimit -c 0 217 else 218 ulimit -c unlimited 219 fi 220 221 case $init_style in 222 valgrind) 223 valgrind -q --log-file=/var/log/ctdb_valgrind \ 224 $ctdbd --nosetsched $CTDB_OPTIONS 225 RETVAL=$? 226 echo 227 ;; 228 suse) 229 startproc $ctdbd $CTDB_OPTIONS 230 rc_status -v 231 RETVAL=$? 232 ;; 233 redhat) 234 daemon $ctdbd $CTDB_OPTIONS 235 RETVAL=$? 236 echo 237 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1 238 ;; 239 debian) 240 start-stop-daemon --start --quiet --background \ 241 --exec $ctdbd -- $CTDB_OPTIONS 242 RETVAL=$? 243 ;; 244 esac 245 246 sleep 1 247 248 set_ctdb_variables 249 250 return $RETVAL 251} 252 253stop_server() { 254 ctdb shutdown >/dev/null 2>&1 255 RETVAL=$? 256 count=0 257 if [ "$init_style" = "debian" ]; then 258 start-stop-daemon --stop --quiet --exec $ctdbd 259 RETVAL=$? 260 fi 261 while pkill -0 -f $ctdbd ; do 262 sleep 1 263 count=`expr $count + 1` 264 [ $count -gt 10 ] && { 265 eval_gettext "killing ctdbd " 266 pkill -9 -f $ctdbd 267 pkill -9 -f $CTDB_BASE/events.d/ 268 } 269 done 270 case $init_style in 271 suse) 272 # re-set the return code to the recorded RETVAL in order 273 # to print the correct status message 274 set_retval $RETVAL 275 rc_status -v 276 ;; 277 redhat) 278 [ $RETVAL -eq 0 ] && success || failure 279 [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb 280 echo "" 281 ;; 282 esac 283 return $RETVAL 284} 285 286case "$1" in 287 start) 288 log_daemon_msg "Starting $DESC " "$NAME" 289 # Check if it's running first 290 if running ; then 291 log_progress_msg "already running" 292 log_end_msg 0 293 exit 0 294 fi 295 if start_server && running ; then 296 # It's ok, the server started and is running 297 log_end_msg 0 298 else 299 # Either we could not start it or it is not running 300 # after we did 301 log_end_msg 1 302 fi 303 ;; 304 stop) 305 log_daemon_msg "Stopping $DESC" "$NAME" 306 if running ; then 307 # Only stop the server if we see it running 308 stop_server 309 log_end_msg $? 310 else 311 # If it's not running don't do anything 312 log_progress_msg "not running" 313 log_end_msg 0 314 exit 0 315 fi 316 ;; 317 restart|reload|force-reload) 318 log_daemon_msg "Restarting $DESC" "$NAME" 319 running && stop_server 320 start_server 321 running 322 log_end_msg $? 323 ;; 324 status) 325 log_daemon_msg "Checking status of $DESC" "$NAME" 326 if running ; then 327 log_progress_msg "running" 328 echo 329 ctdb status 330 log_end_msg 0 331 else 332 log_progress_msg "not running" 333 log_end_msg 1 334 exit 1 335 fi 336 ;; 337 condrestart) 338 if running ; then 339 log_daemon_msg "Restarting $DESC" "$NAME" 340 stop_server 341 start_server 342 log_end_msg $? 343 fi 344 ;; 345 cron) 346 # used from cron to auto-restart ctdb 347 if ! running ; then 348 log_daemon_msg "Starting $DESC " "$NAME" 349 if start_server && running ; then 350 # It's ok, the server started and is running 351 log_end_msg 0 352 else 353 # Either we could not start it or it is not running 354 # after we did 355 log_end_msg 1 356 fi 357 fi 358 ;; 359 *) 360 eval_gettext "Usage: $0 {start|stop|restart|status|cron|condrestart}" >&2 361 echo >&2 362 exit 1 363 ;; 364esac 365 366exit $?