1#! /bin/sh 2 3# Copyright 2011 Dvir Volk <dvirsk at gmail dot com>. All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions are met: 7# 8# 1. Redistributions of source code must retain the above copyright notice, 9# this list of conditions and the following disclaimer. 10# 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 16# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 17# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 18# EVENT SHALL Dvir Volk OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 20# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 21# OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 22# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 23# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 24# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25# 26################################################################################ 27# 28# Interactive service installer for redis server 29# this generates a redis config file and an /etc/init.d script, and installs them 30# this scripts should be run as root 31 32die () { 33 echo "ERROR: $1. Aborting!" 34 exit 1 35} 36 37#Initial defaults 38_REDIS_PORT=6379 39 40echo "Welcome to the redis service installer" 41echo "This script will help you easily set up a running redis server 42 43" 44 45#check for root user TODO: replace this with a call to "id" 46if [ `whoami` != "root" ] ; then 47 echo "You must run this script as root. Sorry!" 48 exit 1 49fi 50 51#Read the redis port 52read -p "Please select the redis port for this instance: [$_REDIS_PORT] " REDIS_PORT 53if [ ! `echo $REDIS_PORT | egrep "^[0-9]+\$"` ] ; then 54 echo "Selecting default: $_REDIS_PORT" 55 REDIS_PORT=$_REDIS_PORT 56fi 57 58#read the redis config file 59_REDIS_CONFIG_FILE="/etc/redis/$REDIS_PORT.conf" 60read -p "Please select the redis config file name [$_REDIS_CONFIG_FILE] " REDIS_CONFIG_FILE 61if [ !"$REDIS_CONFIG_FILE" ] ; then 62 REDIS_CONFIG_FILE=$_REDIS_CONFIG_FILE 63 echo "Selected default - $REDIS_CONFIG_FILE" 64fi 65#try and create it 66mkdir -p `dirname "$REDIS_CONFIG_FILE"` || die "Could not create redis config directory" 67 68#read the redis log file path 69_REDIS_LOG_FILE="/var/log/redis_$REDIS_PORT.log" 70read -p "Please select the redis log file name [$_REDIS_LOG_FILE] " REDIS_LOG_FILE 71if [ !"$REDIS_LOG_FILE" ] ; then 72 REDIS_LOG_FILE=$_REDIS_LOG_FILE 73 echo "Selected default - $REDIS_LOG_FILE" 74fi 75 76 77#get the redis data directory 78_REDIS_DATA_DIR="/var/lib/redis/$REDIS_PORT" 79read -p "Please select the data directory for this instance [$_REDIS_DATA_DIR] " REDIS_DATA_DIR 80if [ !"$REDIS_DATA_DIR" ] ; then 81 REDIS_DATA_DIR=$_REDIS_DATA_DIR 82 echo "Selected default - $REDIS_DATA_DIR" 83fi 84mkdir -p $REDIS_DATA_DIR || die "Could not create redis data directory" 85 86#get the redis executable path 87_REDIS_EXECUTABLE=`which redis-server` 88read -p "Please select the redis executable path [$_REDIS_EXECUTABLE] " REDIS_EXECUTABLE 89if [ ! -f "$REDIS_EXECUTABLE" ] ; then 90 REDIS_EXECUTABLE=$_REDIS_EXECUTABLE 91 92 if [ ! -f "$REDIS_EXECUTABLE" ] ; then 93 echo "Mmmmm... it seems like you don't have a redis executable. Did you run make install yet?" 94 exit 1 95 fi 96 97fi 98 99 100#render the tmplates 101TMP_FILE="/tmp/$REDIS_PORT.conf" 102TPL_FILE="./redis.conf.tpl" 103INIT_TPL_FILE="./redis_init_script.tpl" 104INIT_SCRIPT_DEST="/etc/init.d/redis_$REDIS_PORT" 105PIDFILE="/var/run/redis_$REDIS_PORT.pid" 106 107 108 109#check the default for redis cli 110CLI_EXEC=`which redis-cli` 111if [ ! "$CLI_EXEC" ] ; then 112 CLI_EXEC=`dirname $REDIS_EXECUTABLE`"/redis-cli" 113fi 114 115#Generate config file from template 116echo "## Generated by install_server.sh ##" > $TMP_FILE 117cat $TPL_FILE | while read line; do eval "echo \"$line\"" >> $TMP_FILE; done 118cp -f $TMP_FILE $REDIS_CONFIG_FILE || exit 1 119 120#Generate sample script from template file 121rm -f $TMP_FILE 122 123#we hard code the configs here to avoid issues with templates containing env vars 124#kinda lame but works! 125REDIS_INIT_HEADER=\ 126"#/bin/sh\n 127#Configurations injected by install_server below....\n\n 128EXEC=$REDIS_EXECUTABLE\n 129CLIEXEC=$CLI_EXEC\n 130PIDFILE=$PIDFILE\n 131CONF=\"$REDIS_CONFIG_FILE\"\n\n 132REDISPORT=\"$REDIS_PORT\"\n\n 133###############\n\n" 134 135REDIS_CHKCONFIG_INFO=\ 136"# REDHAT chkconfig header\n\n 137# chkconfig: - 58 74\n 138# description: redis_6379 is the redis daemon.\n 139### BEGIN INIT INFO\n 140# Provides: redis_6379\n 141# Required-Start: $network $local_fs $remote_fs\n 142# Required-Stop: $network $local_fs $remote_fs\n 143# Should-Start: $syslog $named\n 144# Should-Stop: $syslog $named\n 145# Short-Description: start and stop redis_6379\n 146# Description: Redis daemon\n 147### END INIT INFO\n\n" 148 149if [[ ! `which chkconfig` ]] ; then 150 #combine the header and the template (which is actually a static footer) 151 echo -e $REDIS_INIT_HEADER > $TMP_FILE && cat $INIT_TPL_FILE >> $TMP_FILE || die "Could not write init script to $TMP_FILE" 152else 153 #if we're a box with chkconfig on it we want to include info for chkconfig 154 echo -e $REDIS_INIT_HEADER $REDIS_CHKCONFIG_INFO > $TMP_FILE && cat $INIT_TPL_FILE >> $TMP_FILE || die "Could not write init script to $TMP_FILE" 155fi 156 157#copy to /etc/init.d 158cp -f $TMP_FILE $INIT_SCRIPT_DEST && chmod +x $INIT_SCRIPT_DEST || die "Could not copy redis init script to $INIT_SCRIPT_DEST" 159echo "Copied $TMP_FILE => $INIT_SCRIPT_DEST" 160 161#Install the service 162echo "Installing service..." 163if [[ ! `which chkconfig` ]] ; then 164 #if we're not a chkconfig box assume we're able to use update-rc.d 165 update-rc.d redis_$REDIS_PORT defaults && echo "Success!" 166else 167 # we're chkconfig, so lets add to chkconfig and put in runlevel 345 168 chkconfig --add redis_$REDIS_PORT && echo "Successfully added to chkconfig!" 169 chkconfig--level 345 redis_$REDIS_PORT on && echo "Successfully added to runlevels 345!" 170fi 171 172/etc/init.d/redis_$REDIS_PORT start || die "Failed starting service..." 173 174#tada 175echo "Installation successful!" 176exit 0 177 178