mirror of
https://github.com/ceph/ceph
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282 lines
8.4 KiB
Bash
282 lines
8.4 KiB
Bash
#!/bin/sh
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#
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# Example init.d script with LSB support.
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#
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# Please read this init.d carefully and modify the sections to
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# adjust it to the program you want to run.
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#
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# Copyright (c) 2007 Javier Fernandez-Sanguino <jfs@debian.org>
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#
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# This is free software; you may redistribute it and/or modify
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# it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2,
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# or (at your option) any later version.
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#
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# This is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License with
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# the Debian operating system, in /usr/share/common-licenses/GPL; if
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# not, write to the Free Software Foundation, Inc., 59 Temple Place,
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# Suite 330, Boston, MA 02111-1307 USA
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#
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### BEGIN INIT INFO
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# Provides: ceph
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# Required-Start: $network $local_fs
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# Required-Stop:
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# Should-Start: $named
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# Should-Stop:
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: <Enter a short description of the sortware>
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# Description: <Enter a long description of the software>
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# <...>
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# <...>
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### END INIT INFO
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PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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DAEMON=/usr/sbin/ceph # Introduce the server's location here
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NAME=#PACKAGE # Introduce the short server's name here
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DESC=#PACKAGE # Introduce a short description here
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LOGDIR=/var/log/ceph # Log directory to use
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PIDFILE=/var/run/$NAME.pid
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test -x $DAEMON || exit 0
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test -x $DAEMON_WRAPPER || exit 0
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. /lib/lsb/init-functions
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# Default options, these can be overriden by the information
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# at /etc/default/$NAME
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DAEMON_OPTS="" # Additional options given to the server
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DODTIME=10 # Time to wait for the server to die, in seconds
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# If this value is set too low you might not
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# let some servers to die gracefully and
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# 'restart' will not work
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LOGFILE=$LOGDIR/$NAME.log # Server logfile
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#DAEMONUSER=ceph # Users to run the daemons as. If this value
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# is set start-stop-daemon will chuid the server
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# Include defaults if available
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if [ -f /etc/default/$NAME ] ; then
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. /etc/default/$NAME
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fi
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# Use this if you want the user to explicitly set 'RUN' in
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# /etc/default/
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#if [ "x$RUN" != "xyes" ] ; then
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# log_failure_msg "$NAME disabled, please adjust the configuration to your needs "
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# log_failure_msg "and then set RUN to 'yes' in /etc/default/$NAME to enable it."
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# exit 1
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#fi
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# Check that the user exists (if we set a user)
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# Does the user exist?
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if [ -n "$DAEMONUSER" ] ; then
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if getent passwd | grep -q "^$DAEMONUSER:"; then
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# Obtain the uid and gid
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DAEMONUID=`getent passwd |grep "^$DAEMONUSER:" | awk -F : '{print $3}'`
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DAEMONGID=`getent passwd |grep "^$DAEMONUSER:" | awk -F : '{print $4}'`
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else
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log_failure_msg "The user $DAEMONUSER, required to run $NAME does not exist."
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exit 1
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fi
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fi
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set -e
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running_pid() {
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# Check if a given process pid's cmdline matches a given name
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pid=$1
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name=$2
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[ -z "$pid" ] && return 1
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[ ! -d /proc/$pid ] && return 1
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cmd=`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1`
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# Is this the expected server
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[ "$cmd" != "$name" ] && return 1
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return 0
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}
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running() {
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# Check if the process is running looking at /proc
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# (works for all users)
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# No pidfile, probably no daemon present
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[ ! -f "$PIDFILE" ] && return 1
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pid=`cat $PIDFILE`
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running_pid $pid $DAEMON_WRAPPER || return 1
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return 0
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}
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start_server() {
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# Start the process using the wrapper
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if [ -z "$DAEMONUSER" ] ; then
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start-stop-daemon --start --quiet --pidfile $PIDFILE \
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--exec $DAEMON -- $DAEMON_OPTS
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errcode=$?
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else
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# if we are using a daemonuser then change the user id
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start-stop-daemon --start --quiet --pidfile $PIDFILE \
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--chuid $DAEMONUSER \
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--exec $DAEMON -- $DAEMON_OPTS
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errcode=$?
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fi
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return $errcode
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}
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stop_server() {
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# Stop the process using the wrapper
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if [ -z "$DAEMONUSER" ] ; then
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start-stop-daemon --stop --quiet --pidfile $PIDFILE \
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--exec $DAEMON
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errcode=$
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else
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# if we are using a daemonuser then look for process that match
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start-stop-daemon --stop --quiet --pidfile $PIDFILE \
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--user $DAEMONUSER \
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--exec $DAEMON
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errcode=$
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fi
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return $errcode
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}
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reload_server() {
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[ ! -f "$PIDFILE" ] && return 1
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pid=`cat $PIDFILE` # This is the daemon's pid
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# Send a SIGHUP
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kill -1 $pid
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return $?
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}
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force_stop() {
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# Force the process to die killing it manually
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[ ! -e "$PIDFILE" ] && return
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if running ; then
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kill -15 $pid
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# Is it really dead?
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sleep "$DIETIME"s
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if running ; then
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kill -9 $pid
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sleep "$DIETIME"s
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if running ; then
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echo "Cannot kill $NAME (pid=$pid)!"
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exit 1
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fi
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fi
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fi
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rm -f $PIDFILE
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}
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case "$1" in
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start)
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log_daemon_msg "Starting $DESC " "$NAME"
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# Check if it's running first
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if running ; then
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log_progress_msg "apparently already running"
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log_end_msg 0
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exit 0
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fi
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if start_server && running ; then
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# It's ok, the server started and is running
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log_end_msg 0
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else
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# Either we could not start it or it is not running
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# after we did
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# NOTE: Some servers might die some time after they start,
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# this code does not try to detect this and might give
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# a false positive (use 'status' for that)
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log_end_msg 1
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fi
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;;
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stop)
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log_daemon_msg "Stopping $DESC" "$NAME"
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if running ; then
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# Only stop the server if we see it running
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stop_server
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log_end_msg $?
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else
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# If it's not running don't do anything
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log_progress_msg "apparently not running"
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log_end_msg 0
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exit 0
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fi
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;;
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force-stop)
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# First try to stop gracefully the program
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$0 stop
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if running; then
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# If it's still running try to kill it more forcefully
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log_daemon_msg "Stopping (force) $DESC" "$NAME"
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force_stop
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log_end_msg $?
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fi
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;;
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restart|force-reload)
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log_daemon_msg "Restarting $DESC" "$NAME"
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stop_server
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# Wait some sensible amount, some server need this
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[ -n "$DIETIME" ] && sleep $DIETIME
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start_server
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running
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log_end_msg $?
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;;
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status)
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log_daemon_msg "Checking status of $DESC" "$NAME"
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if running ; then
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log_progress_msg "running"
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log_end_msg 0
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else
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log_progress_msg "apparently not running"
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log_end_msg 1
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exit 1
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fi
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;;
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# Use this if the daemon cannot reload
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reload)
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log_warning_msg "Reloading $NAME daemon: not implemented, as the daemon"
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log_warning_msg "cannot re-read the config file (use restart)."
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;;
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# And this if it cann
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#reload)
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#
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# If the daemon can reload its config files on the fly
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# for example by sending it SIGHUP, do it here.
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#
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# If the daemon responds to changes in its config file
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# directly anyway, make this a do-nothing entry.
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#
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# log_daemon_msg "Reloading $DESC configuration files" "$NAME"
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# if running ; then
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# reload_server
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# if ! running ; then
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# Process died after we tried to reload
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# log_progress_msg "died on reload"
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# log_end_msg 1
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# exit 1
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# fi
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# else
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# log_progress_msg "server is not running"
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# log_end_msg 1
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# exit 1
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# fi
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#;;
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*)
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N=/etc/init.d/$NAME
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echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2
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exit 1
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;;
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esac
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exit 0
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