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debian init script
February 11, 2015 at 2:08:57 PM GMT+1 - permalink -apt-get install debian-goodies && checkrestart
via Doo
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https://links.infomee.fr/?ZiMfVA
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Init script for Graphite carbon-cache
September 11, 2014 at 4:00:51 PM GMT+2 - permalink -! /bin/sh
BEGIN INIT INFO
Provides: carbon-cache
Required-Start: $remote_fs $syslog
Required-Stop: $remote_fs $syslog
Default-Start: 2 3 4 5
Default-Stop: 0 1 6
Short-Description: carbon-cache init script
Description: An init script for Graphite's carbon-cache daemon.
END INIT INFO
Author: Jeremy Chalmer
#
This init script was written for Ubuntu 11.10 using start-stop-daemon.
Note: Make sure you set the USER field in /opt/graphite/conf/carbon.conf to be the same
user that owns the /opt/graphite/storage/ folder. Carbon-cache will be invoked as that
username on start.
#
Enable with update-rc.d carbon-cache defaults
Source init-functions:
#source /lib/lsb/init-functions
. /lib/lsb/init-functionsPATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
Path to Graphite
GRAPHITE_HOME=/opt/graphite
Name of executable daemon
NAME=carbon-cache
DESC=carbon-cache#Carbon has its own logging facility, by default in /opt/graphite/storage/log/carbon-cache-*
Path to Executable
DAEMON=$GRAPHITE_HOME/bin/carbon-cache.py
NOTE: This is a hard-coded PID file, based on carbon-cache.py. If you have more the one carbon-cache
instance running on this machine, you'll need to figure out a better way to calculate the PID file.
PIDFILE=/opt/graphite/storage/carbon-cache-a.pid
SCRIPTNAME=/etc/init.d/$NAME
Exit if the package is not installed
if [ ! -x "$DAEMON" ]; then {
echo "Couldn't find $DAEMON or not executable"
exit 99
}
fiLoad the VERBOSE setting and other rcS variables
[ -f /etc/default/rcS ] && . /etc/default/rcS
#
Function that starts the daemon/service
#
do_start()
{Return
# 0 if daemon has been started # 1 if daemon was already running # 2 if daemon could not be started # Test to see if the daemon is already running - return 1 if it is. start-stop-daemon --start --pidfile $PIDFILE \ --exec $DAEMON --test -- start > /dev/null || return 1 # Start the daemon for real, return 2 if failed start-stop-daemon --start --pidfile $PIDFILE \ --exec $DAEMON -- start > /dev/null || return 2}
#
Function that stops the daemon/service
#
do_stop() {Return
# 0 if daemon has been stopped # 1 if daemon was already stopped # 2 if daemon could not be stopped # other if a failure occurred log_daemon_msg "Stopping $DESC" "$NAME" start-stop-daemon --stop --signal 2 --retry 5 --quiet --pidfile $PIDFILE RETVAL="$?" [ "$RETVAL" = 2 ] && return 2 # Delete the exisitng PID file if [ -e "$PIDFILE" ]; then { rm $PIDFILE } fi return "$RETVAL"}
Display / Parse Init Options
case "$1" in
start)
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
do_start
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
stop)
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
restart)
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
case "$?" in
0|1)
do_start
case "$?" in
0) log_end_msg 0 ;;
1) log_end_msg 1 ;; # Old process is still running
) log_end_msg 1 ;; # Failed to start
esac
;;
)Failed to stop
log_end_msg 1 ;;esac
;;
status)
if [ -s $PIDFILE ]; then
pid=cat $PIDFILE
kill -0 $pid >/dev/null 2>&1
if [ "$?" = "0" ]; then
echo "$NAME is running: pid $pid."
RETVAL=0
else
echo "Couldn't find pid $pid for $NAME."
RETVAL=1
fi
else
echo "$NAME is stopped (no pid file)."
RETVAL=1
fi
;;
*)
echo "Usage: $SCRIPTNAME {startstop restart status}" >&2
exit 3
;;
esac
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https://gist.github.com/chalmerj/1492384
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Writing an init script for a Java application | Gustavo Straube
January 2, 2014 at 2:43:49 PM GMT+1 - permalink -Comment créer un script d'init pour une application java.
EDIT : ce truc n'a pas marché pour moi :
s=ps -C 'java -jar /path/to/application.jar' -o pid h
Du coup, j'ai remplacé par :
s=$(pgrep --full 'une string unique qui identifie la command line pour lancer mon jar')!/bin/sh
#
init script for a Java application
#
Check the application status
#
This function checks if the application is running
check_status() {
Running ps with some arguments to check if the PID exists
-C : specifies the command name
-o : determines how columns must be displayed
h : hides the data header
s=
ps -C 'java -jar /path/to/application.jar' -o pid hIf somethig was returned by the ps command, this function returns the PID
if [ $s ] ; then
return $s
fiIn any another case, return 0
return 0
}
Starts the application
start() {
At first checks if the application is already started calling the check_status
function
check_status
$? is a special variable that hold the "exit status of the most recently executed
foreground pipeline"
pid=$?
if [ $pid -ne 0 ] ; then
echo "The application is already started"
exit 1
fiIf the application isn't running, starts it
echo -n "Starting application: "
Redirects default and error output to a log file
java -jar /path/to/application.jar >> /path/to/logfile 2>&1 &
echo "OK"
}Stops the application
stop() {
Like as the start function, checks the application status
check_status
pid=$?
if [ $pid -eq 0 ] ; then
echo "Application is already stopped"
exit 1
fiKills the application process
echo -n "Stopping application: "
kill -9 $pid &
echo "OK"
}Show the application status
status() {
The check_status function, again...
check_status
If the PID was returned means the application is running
if [ $? -ne 0 ] ; then
echo "Application is started"
else
echo "Application is stopped"
fi}
Main logic, a simple case to call functions
case "$1" in
start)
start
;;
stop)
stop
;;
status)
status
;;
restart|reload)
stop
start
;;
*)
echo "Usage: $0 {start|stop|restart|reload|status}"
exit 1
esacexit 0
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http://gustavostraube.wordpress.com/2009/11/05/writing-an-init-script-for-a-java-application/
