Created
September 8, 2012 04:35
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Fluentd init script setup for Debian
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#!/usr/bin/env bash | |
#if [ `whoami` != 'root' ]; then | |
#echo "Please run as root." | |
#exit 1 | |
#fi | |
cat << 'EOF' > /etc/init.d/fluentd | |
#! /bin/sh | |
### BEGIN INIT INFO | |
# Provides: fluentd | |
# Required-Start: $network $local_fs | |
# Required-Stop: | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: Log Everything in JSON | |
# Description: Fluentd init script. | |
### END INIT INFO | |
# Author: Kohei MATSUSHITA <ma2shita+git@ma2shita.jp> | |
# Do NOT "set -e" | |
# PATH should only include /usr/* if it runs after the mountnfs.sh script | |
PATH=/usr/local/bin:/sbin:/usr/sbin:/bin:/usr/bin | |
DESC="Log Everything in JSON" | |
NAME=fluent | |
PNAME=fluentd | |
DAEMON=/usr/bin/${PNAME} | |
USER=fluent | |
GROUP=fluent | |
PIDFILE=/var/run/${NAME}/${PNAME}.pid | |
LOGFILE=/var/log/${NAME}/${PNAME}.log | |
DAEMON_ARGS="--config /etc/${NAME}/${NAME}.conf --daemon ${PIDFILE} --log ${LOGFILE} --user ${USER} --group ${GROUP}" | |
SCRIPTNAME=/etc/init.d/$NAME | |
# Exit if the package is not installed | |
[ -x "$DAEMON" ] || exit 0 | |
# Read configuration variable file if it is present | |
[ -r /etc/default/$NAME ] && . /etc/default/$NAME | |
# Load the VERBOSE setting and other rcS variables | |
. /lib/init/vars.sh | |
# Define LSB log_* functions. | |
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present | |
# and status_of_proc is working. | |
. /lib/lsb/init-functions | |
if [ -f "/usr/local/lib/libjemalloc.so" ]; then | |
export LD_PRELOAD="/usr/local/lib/libjemalloc.so" | |
fi | |
# | |
# 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 | |
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \ | |
|| return 1 | |
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \ | |
$DAEMON_ARGS \ | |
|| return 2 | |
# Add code here, if necessary, that waits for the process to be ready | |
# to handle requests from services started subsequently which depend | |
# on this one. As a last resort, sleep for some time. | |
} | |
# | |
# 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 | |
start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $PNAME | |
RETVAL="$?" | |
[ "$RETVAL" = 2 ] && return 2 | |
# Wait for children to finish too if this is a daemon that forks | |
# and if the daemon is only ever run from this initscript. | |
# If the above conditions are not satisfied then add some other code | |
# that waits for the process to drop all resources that could be | |
# needed by services started subsequently. A last resort is to | |
# sleep for some time. | |
start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON | |
[ "$?" = 2 ] && return 2 | |
# Many daemons don't delete their pidfiles when they exit. | |
rm -f $PIDFILE | |
return "$RETVAL" | |
} | |
# | |
# Function that sends a SIGHUP to the daemon/service | |
# | |
do_reload() { | |
start-stop-daemon --stop --signal HUP --quiet --pidfile $PIDFILE --name $PNAME | |
return 0 | |
} | |
do_flush() { | |
start-stop-daemon --stop --signal USR1 --quiet --pidfile $PIDFILE --name $PNAME | |
return 0 | |
} | |
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) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | |
esac | |
;; | |
status) | |
status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $? | |
;; | |
reload) | |
log_daemon_msg "Reloading $DESC" "$NAME" | |
do_reload | |
log_end_msg $? | |
;; | |
flush) | |
log_daemon_msg "Flushing and re-opening logfile $DESC" "$NAME" | |
do_flush | |
log_end_msg $? | |
;; | |
restart) | |
# | |
# If the "reload" option is implemented then remove the | |
# 'force-reload' alias | |
# | |
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 | |
;; | |
*) | |
#echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2 | |
echo "Usage: $SCRIPTNAME {start|stop|status|restart|flush}" >&2 | |
exit 3 | |
;; | |
esac | |
: | |
EOF | |
groupadd -r fluent | |
useradd -r -c "Fluent user" -g fluent -s /bin/bash -d /var/lib/fluent fluent | |
mkdir -p /etc/fluent/ /var/run/fluent/ /var/log/fluent/ /var/lib/fluent/ | |
chown -R fluent:fluent /etc/fluent/ /var/run/fluent/ /var/log/fluent/ /var/lib/fluent/ /etc/init.d/fluentd | |
sudo -u fluent fluentd --setup /etc/fluent/ | |
chmod 755 /etc/init.d/fluentd | |
insserv -v -d /etc/init.d/fluentd |
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