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 modification, are 6# permitted provided that the following conditions are met: 7# 8# 1. Redistributions of source code must retain the above copyright notice, this list of 9# conditions and the following disclaimer. 10# 11# 2. Redistributions in binary form must reproduce the above copyright notice, this list 12# of conditions and the following disclaimer in the documentation and/or other materials 13# 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 MERCHANTABILITY AND 17# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Dvir Volk OR 18# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 20# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 21# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 22# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 23# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24# 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# 32 33 34die () { 35 echo "ERROR: $1. Aborting!" 36 exit 1 37} 38 39 40#Initial defaults 41_REDIS_PORT=6379 42 43echo "Welcome to the redis service installer" 44echo "This script will help you easily set up a running redis server 45 46" 47 48#check for root user TODO: replace this with a call to "id" 49if [ `whoami` != "root" ] ; then 50 echo "You must run this script as root. Sorry!" 51 exit 1 52fi 53 54#Read the redis port 55read -p "Please select the redis port for this instance: [$_REDIS_PORT] " REDIS_PORT 56if [ ! `echo $REDIS_PORT | egrep "^[0-9]+\$"` ] ; then 57 echo "Selecting default: $_REDIS_PORT" 58 REDIS_PORT=$_REDIS_PORT 59fi 60 61#read the redis config file 62_REDIS_CONFIG_FILE="/etc/redis/$REDIS_PORT.conf" 63read -p "Please select the redis config file name [$_REDIS_CONFIG_FILE] " REDIS_CONFIG_FILE 64if [ !"$REDIS_CONFIG_FILE" ] ; then 65 REDIS_CONFIG_FILE=$_REDIS_CONFIG_FILE 66 echo "Selected default - $REDIS_CONFIG_FILE" 67fi 68#try and create it 69mkdir -p `dirname "$REDIS_CONFIG_FILE"` || die "Could not create redis config directory" 70 71#read the redis log file path 72_REDIS_LOG_FILE="/var/log/redis_$REDIS_PORT.log" 73read -p "Please select the redis log file name [$_REDIS_LOG_FILE] " REDIS_LOG_FILE 74if [ !"$REDIS_LOG_FILE" ] ; then 75 REDIS_LOG_FILE=$_REDIS_LOG_FILE 76 echo "Selected default - $REDIS_LOG_FILE" 77fi 78 79 80#get the redis data directory 81_REDIS_DATA_DIR="/var/lib/redis/$REDIS_PORT" 82read -p "Please select the data directory for this instance [$_REDIS_DATA_DIR] " REDIS_DATA_DIR 83if [ !"$REDIS_DATA_DIR" ] ; then 84 REDIS_DATA_DIR=$_REDIS_DATA_DIR 85 echo "Selected default - $REDIS_DATA_DIR" 86fi 87mkdir -p $REDIS_DATA_DIR || die "Could not create redis data directory" 88 89#get the redis executable path 90_REDIS_EXECUTABLE=`which redis-server` 91read -p "Please select the redis executable path [$_REDIS_EXECUTABLE] " REDIS_EXECUTABLE 92if [ ! -f "$REDIS_EXECUTABLE" ] ; then 93 REDIS_EXECUTABLE=$_REDIS_EXECUTABLE 94 95 if [ ! -f "$REDIS_EXECUTABLE" ] ; then 96 echo "Mmmmm... it seems like you don't have a redis executable. Did you run make install yet?" 97 exit 1 98 fi 99 100fi 101 102 103#render the tmplates 104TMP_FILE="/tmp/$REDIS_PORT.conf" 105TPL_FILE="./redis.conf.tpl" 106INIT_TPL_FILE="./redis_init_script.tpl" 107INIT_SCRIPT_DEST="/etc/init.d/redis_$REDIS_PORT" 108PIDFILE="/var/run/redis_$REDIS_PORT.pid" 109 110 111 112#check the default for redis cli 113CLI_EXEC=`which redis-cli` 114if [ ! "$CLI_EXEC" ] ; then 115 CLI_EXEC=`dirname $REDIS_EXECUTABLE`"/redis-cli" 116fi 117 118#Generate config file from template 119echo "## Generated by install_server.sh ##" > $TMP_FILE 120cat $TPL_FILE | while read line; do eval "echo \"$line\"" >> $TMP_FILE; done 121cp -f $TMP_FILE $REDIS_CONFIG_FILE || exit 1 122 123#Generate sample script from template file 124rm -f $TMP_FILE 125 126#we hard code the configs here to avoid issues with templates containing env vars 127#kinda lame but works! 128REDIS_INIT_HEADER=\ 129"#/bin/sh\n 130#Configurations injected by install_server below....\n\n 131EXEC=$REDIS_EXECUTABLE\n 132CLIEXEC=$CLI_EXEC\n 133PIDFILE=$PIDFILE\n 134CONF=\"$REDIS_CONFIG_FILE\"\n\n 135REDISPORT=\"$REDIS_PORT\"\n\n 136###############\n\n" 137 138#combine the header and the template (which is actually a static footer) 139echo $REDIS_INIT_HEADER > $TMP_FILE && cat $INIT_TPL_FILE >> $TMP_FILE || die "Could not write init script to $TMP_FILE" 140 141#copy to /etc/init.d 142cp -f $TMP_FILE $INIT_SCRIPT_DEST && chmod +x $INIT_SCRIPT_DEST || die "Could not copy redis init script to $INIT_SCRIPT_DEST" 143echo "Copied $TMP_FILE => $INIT_SCRIPT_DEST" 144 145#Install the service 146echo "Installing service..." 147update-rc.d redis_$REDIS_PORT defaults && echo "Success!" 148/etc/init.d/redis_$REDIS_PORT start || die "Failed starting service..." 149 150#tada 151echo "Installation successful!" 152exit 0 153 154 155 156 157