chef/cookbooks/redisio/templates/default/redis.init.erb

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#!/bin/sh
#
# Simple Redis init.d script conceived to work on Linux systems
# as it does use of the /proc filesystem.
#
# description: Redis is an in memory key-value store database
#
### BEGIN INIT INFO
# Provides: redis<%= @port %>
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Required-Start: <%= @required_start %>
# Required-Stop: <%= @required_stop %>
# Description: redis<%= @port %> init script
### END INIT INFO
REDISNAME=<%= @name %>
REDISPORT=<%= @port %>
<% case @platform %>
<% when 'ubuntu','debian','fedora' %>
EXEC="su -s /bin/sh -c '<%= File.join(@bin_path, 'redis-server') %> <%= @configdir %>/${REDISNAME}.conf' <%= @user %>"
<% else %>
EXEC="runuser <%= @user %> -c \"<%= File.join(@bin_path, 'redis-server') %> <%= @configdir %>/${REDISNAME}.conf\""
<% end %>
CLIEXEC=<%= File.join(@bin_path, 'redis-cli') %>
<% connection_string = String.new %>
<% if @unixsocket.nil? %>
<% connection_string << " -p #{@port}" %>
<% connection_string << " -h #{@address.respond_to?(:first) ? @address.first : @address }" if @address %>
<% else %>
<% connection_string << " -s #{@unixsocket}" %>
<% end %>
<% connection_string << " -a '#{@requirepass}'" unless @requirepass.nil? %>
PIDFILE=<%= @piddir %>/redis_${REDISNAME}.pid
if [ ! -d <%= @piddir %> ]; then
mkdir -p <%= @piddir %>
chown <%= @user %> <%= @piddir %>
fi
ulimit -n <%= @ulimit %>
case "$1" in
status)
if [ -f $PIDFILE ]
then
echo "redis$REDISNAME $PIDFILE exists, pid is $(cat $PIDFILE), should be running"
ps -p $(cat $PIDFILE) >/dev/null 2>&1
exit $?
else
echo "redis$REDISNAME $PIDFILE doesn't exist"
exit 3
fi
;;
start)
if [ -f $PIDFILE ]
then
echo "$PIDFILE exists, process is already running or crashed"
PIDNUM=`cat $PIDFILE`
PROCESS_RUNNING=`ps --no-headers -q $PIDNUM | wc -l`
if [ ! $PROCESS_RUNNING -eq 1 ]
then
echo "The PID doesn't exists, restarting it."
rm $PIDFILE
eval $EXEC
fi
else
echo "Starting Redis server..."
eval $EXEC
fi
;;
stop)
if [ ! -f $PIDFILE ]
then
echo "$PIDFILE does not exist, process is not running"
else
PID=$(cat $PIDFILE)
echo "Stopping ..."
<%= "$CLIEXEC #{connection_string} save" if @shutdown_save %>
$CLIEXEC <%= connection_string %> shutdown
while [ -x /proc/${PID} ]
do
echo "Waiting for Redis to shutdown ..."
sleep 1
done
echo "Redis stopped"
fi
;;
*)
echo "Please use start or stop as first argument"
;;
esac