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Updated Puma init script for Debian 8.5
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#! /bin/sh | |
### BEGIN INIT INFO | |
# Provides: puma | |
# Required-Start: $remote_fs $syslog | |
# Required-Stop: $remote_fs $syslog | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: Example initscript | |
# Description: This file should be used to construct scripts to be | |
# placed in /etc/init.d. | |
### END INIT INFO | |
# Author: Darío Javier Cravero <dario@exordo.com> | |
# | |
# Do NOT "set -e" | |
# PATH should only include /usr/* if it runs after the mountnfs.sh script | |
PATH=/usr/local/bin:/usr/local/sbin/:/sbin:/usr/sbin:/bin:/usr/bin | |
DESC="Puma rack web server" | |
NAME=puma | |
DAEMON=$NAME | |
SCRIPTNAME=/etc/init.d/$NAME | |
CONFIG=/etc/puma.conf | |
JUNGLE=`cat $CONFIG` | |
RUNPUMA=/usr/local/bin/run-puma | |
USE_LOCAL_BUNDLE=0 | |
# Load the VERBOSE setting and other rcS variables | |
. /lib/init/vars.sh | |
# Define LSB log_* functions. | |
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present. | |
. /lib/lsb/init-functions | |
# | |
# Function that starts the jungle | |
# | |
do_start() { | |
log_daemon_msg "=> Running the jungle..." | |
for i in $JUNGLE; do | |
dir=`echo $i | cut -d , -f 1` | |
user=`echo $i | cut -d , -f 2` | |
config_file=`echo $i | cut -d , -f 3` | |
if [ "$config_file" = "" ]; then | |
config_file="$dir/config/puma.rb" | |
fi | |
log_file=`echo $i | cut -d , -f 4` | |
if [ "$log_file" = "" ]; then | |
log_file="$dir/log/puma.log" | |
fi | |
environment=`echo $i | cut -d , -f 5` | |
do_start_one $dir $user $config_file $log_file $environment | |
done | |
} | |
do_start_one() { | |
PIDFILE=$1/tmp/pids/puma.pid | |
if [ -e $PIDFILE ]; then | |
PID=`cat $PIDFILE` | |
# If the puma isn't running, run it, otherwise restart it. | |
if [ "`ps -A -o pid= | grep -c $PID`" -eq 0 ]; then | |
do_start_one_do $1 $2 $3 $4 $5 | |
else | |
do_restart_one $1 | |
fi | |
else | |
do_start_one_do $1 $2 $3 $4 $5 | |
fi | |
} | |
do_start_one_do() { | |
log_daemon_msg "--> Woke up puma $1" | |
log_daemon_msg "user $2" | |
log_daemon_msg "log to $4" | |
if [ ! -z "$5" ]; then | |
for e in $(echo "$5" | tr ';' '\n'); do | |
log_daemon_msg "environment $e" | |
v=${e%%\=*} ; eval "$e" ; export $v | |
done | |
fi | |
start-stop-daemon --verbose --start --chdir $1 --chuid $2 --background --exec $RUNPUMA -- $1 $3 $4 | |
} | |
# | |
# Function that stops the jungle | |
# | |
do_stop() { | |
log_daemon_msg "=> Putting all the beasts to bed..." | |
for i in $JUNGLE; do | |
dir=`echo $i | cut -d , -f 1` | |
do_stop_one $dir | |
done | |
} | |
# | |
# Function that stops the daemon/service | |
# | |
do_stop_one() { | |
log_daemon_msg "--> Stopping $1" | |
PIDFILE=$1/tmp/pids/puma.pid | |
STATEFILE=$1/tmp/sockets/puma.state | |
if [ -e $PIDFILE ]; then | |
PID=`cat $PIDFILE` | |
if [ "`ps -A -o pid= | grep -c $PID`" -eq 0 ]; then | |
log_daemon_msg "---> Puma $1 isn't running." | |
else | |
log_daemon_msg "---> About to kill PID `cat $PIDFILE`" | |
if [ "$USE_LOCAL_BUNDLE" -eq 1 ]; then | |
cd $1 && bundle exec pumactl --state $STATEFILE stop | |
else | |
#pumactl --state $STATEFILE stop | |
kill `cat $PIDFILE` | |
fi | |
# Many daemons don't delete their pidfiles when they exit. | |
rm -f $PIDFILE $STATEFILE | |
fi | |
else | |
log_daemon_msg "---> No puma here..." | |
fi | |
return 0 | |
} | |
# | |
# Function that restarts the jungle | |
# | |
do_restart() { | |
for i in $JUNGLE; do | |
dir=`echo $i | cut -d , -f 1` | |
do_restart_one $dir | |
done | |
} | |
# | |
# Function that sends a SIGUSR2 to the daemon/service | |
# | |
do_restart_one() { | |
PIDFILE=$1/tmp/pids/puma.pid | |
i=`grep $1 $CONFIG` | |
dir=`echo $i | cut -d , -f 1` | |
if [ -e $PIDFILE ]; then | |
log_daemon_msg "--> About to restart puma $1" | |
kill -s USR2 `cat $PIDFILE` | |
# TODO Check if process exist | |
else | |
log_daemon_msg "--> Your puma was never playing... Let's get it out there first" | |
user=`echo $i | cut -d , -f 2` | |
config_file=`echo $i | cut -d , -f 3` | |
if [ "$config_file" = "" ]; then | |
config_file="$dir/config/puma.rb" | |
fi | |
log_file=`echo $i | cut -d , -f 4` | |
if [ "$log_file" = "" ]; then | |
log_file="$dir/log/puma.log" | |
fi | |
environment=`echo $i | cut -d , -f 5` | |
do_start_one $dir $user $config_file $log_file $environment | |
fi | |
return 0 | |
} | |
# | |
# Function that phased restarts the jungle | |
# | |
do_phased_restart() { | |
for i in $JUNGLE; do | |
dir=`echo $i | cut -d , -f 1` | |
do_phased_restart_one $dir | |
done | |
} | |
# | |
# Function that sends a SIGUSR1 to the daemon/service | |
# | |
do_phased_restart_one() { | |
PIDFILE=$1/tmp/pids/puma.pid | |
i=`grep $1 $CONFIG` | |
dir=`echo $i | cut -d , -f 1` | |
if [ -e $PIDFILE ]; then | |
log_daemon_msg "--> About to restart puma $1" | |
kill -s USR1 `cat $PIDFILE` | |
# TODO Check if process exist | |
else | |
log_daemon_msg "--> Your puma was never playing... Let's get it out there first" | |
user=`echo $i | cut -d , -f 2` | |
config_file=`echo $i | cut -d , -f 3` | |
if [ "$config_file" = "" ]; then | |
config_file="$dir/config/puma.rb" | |
fi | |
log_file=`echo $i | cut -d , -f 4` | |
if [ "$log_file" = "" ]; then | |
log_file="$dir/log/puma.log" | |
fi | |
environment=`echo $i | cut -d , -f 5` | |
do_start_one $dir $user $config_file $log_file $environment | |
fi | |
return 0 | |
} | |
# | |
# Function that statuss the jungle | |
# | |
do_status() { | |
for i in $JUNGLE; do | |
dir=`echo $i | cut -d , -f 1` | |
do_status_one $dir | |
done | |
} | |
# | |
# Function that sends a SIGUSR2 to the daemon/service | |
# | |
do_status_one() { | |
PIDFILE=$1/tmp/pids/puma.pid | |
i=`grep $1 $CONFIG` | |
dir=`echo $i | cut -d , -f 1` | |
if [ -e $PIDFILE ]; then | |
log_daemon_msg "--> About to status puma $1" | |
if [ "$USE_LOCAL_BUNDLE" -eq 1 ]; then | |
cd $1 && bundle exec pumactl --state $dir/tmp/sockets/puma.state stats | |
else | |
pumactl --state $dir/tmp/sockets/puma.state stats | |
fi | |
# kill -s USR2 `cat $PIDFILE` | |
# TODO Check if process exist | |
else | |
log_daemon_msg "--> $1 isn't there :(..." | |
fi | |
return 0 | |
} | |
do_add() { | |
str="" | |
# App's directory | |
if [ -d "$1" ]; then | |
if [ "`grep -c "^$1" $CONFIG`" -eq 0 ]; then | |
str=$1 | |
else | |
echo "The app is already being managed. Remove it if you want to update its config." | |
exit 1 | |
fi | |
else | |
echo "The directory $1 doesn't exist." | |
exit 1 | |
fi | |
# User to run it as | |
if [ "`grep -c "^$2:" /etc/passwd`" -eq 0 ]; then | |
echo "The user $2 doesn't exist." | |
exit 1 | |
else | |
str="$str,$2" | |
fi | |
# Config file | |
if [ "$3" != "" ]; then | |
if [ -e $3 ]; then | |
str="$str,$3" | |
else | |
echo "The config file $3 doesn't exist." | |
exit 1 | |
fi | |
fi | |
# Log file | |
if [ "$4" != "" ]; then | |
str="$str,$4" | |
fi | |
# Environment variables | |
if [ "$5" != "" ]; then | |
str="$str,$5" | |
fi | |
# Add it to the jungle | |
echo $str >> $CONFIG | |
log_daemon_msg "Added a Puma to the jungle: $str. You still have to start it though." | |
} | |
do_remove() { | |
if [ "`grep -c "^$1" $CONFIG`" -eq 0 ]; then | |
echo "There's no app $1 to remove." | |
else | |
# Stop it first. | |
do_stop_one $1 | |
# Remove it from the config. | |
sed -i "\\:^$1:d" $CONFIG | |
log_daemon_msg "Removed a Puma from the jungle: $1." | |
fi | |
} | |
case "$1" in | |
start) | |
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" | |
if [ "$#" -eq 1 ]; then | |
do_start | |
else | |
i=`grep $2 $CONFIG` | |
dir=`echo $i | cut -d , -f 1` | |
user=`echo $i | cut -d , -f 2` | |
config_file=`echo $i | cut -d , -f 3` | |
if [ "$config_file" = "" ]; then | |
config_file="$dir/config/puma.rb" | |
fi | |
log_file=`echo $i | cut -d , -f 4` | |
if [ "$log_file" = "" ]; then | |
log_file="$dir/log/puma.log" | |
fi | |
do_start_one $dir $user $config_file $log_file | |
fi | |
case "$?" 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" | |
if [ "$#" -eq 1 ]; then | |
do_stop | |
else | |
i=`grep $2 $CONFIG` | |
dir=`echo $i | cut -d , -f 1` | |
do_stop_one $dir | |
fi | |
case "$?" in | |
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; | |
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | |
esac | |
;; | |
status) | |
# TODO Implement. | |
log_daemon_msg "Status $DESC" "$NAME" | |
if [ "$#" -eq 1 ]; then | |
do_status | |
else | |
i=`grep $2 $CONFIG` | |
dir=`echo $i | cut -d , -f 1` | |
do_status_one $dir | |
fi | |
case "$?" in | |
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; | |
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | |
esac | |
;; | |
restart) | |
log_daemon_msg "Restarting $DESC" "$NAME" | |
if [ "$#" -eq 1 ]; then | |
do_restart | |
else | |
i=`grep $2 $CONFIG` | |
dir=`echo $i | cut -d , -f 1` | |
do_restart_one $dir | |
fi | |
case "$?" in | |
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; | |
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | |
esac | |
;; | |
phased-restart) | |
log_daemon_msg "Restarting (phased) $DESC" "$NAME" | |
if [ "$#" -eq 1 ]; then | |
do_phased_restart | |
else | |
i=`grep $2 $CONFIG` | |
dir=`echo $i | cut -d , -f 1` | |
do_phased_restart_one $dir | |
fi | |
case "$?" in | |
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; | |
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | |
esac | |
;; | |
add) | |
if [ "$#" -lt 3 ]; then | |
echo "Please, specify the app's directory and the user that will run it at least." | |
echo " Usage: $SCRIPTNAME add /path/to/app user /path/to/app/config/puma.rb /path/to/app/config/log/puma.log" | |
echo " config and log are optionals." | |
exit 1 | |
else | |
do_add $2 $3 $4 $5 | |
fi | |
case "$?" in | |
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; | |
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | |
esac | |
;; | |
remove) | |
if [ "$#" -lt 2 ]; then | |
echo "Please, specifiy the app's directory to remove." | |
exit 1 | |
else | |
do_remove $2 | |
fi | |
case "$?" in | |
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; | |
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | |
esac | |
;; | |
*) | |
echo "Usage:" >&2 | |
echo " Run the jungle: $SCRIPTNAME {start|stop|status|restart|phased-restart}" >&2 | |
echo " Add a Puma: $SCRIPTNAME add /path/to/app user /path/to/app/config/puma.rb /path/to/app/config/log/puma.log" | |
echo " config and log are optionals." | |
echo " Remove a Puma: $SCRIPTNAME remove /path/to/app" | |
echo " On a Puma: $SCRIPTNAME {start|stop|status|restart} PUMA-NAME" >&2 | |
exit 3 | |
;; | |
esac | |
: |
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