diff --git a/utils/install_server.sh b/utils/install_server.sh new file mode 100755 index 00000000..eedd8034 --- /dev/null +++ b/utils/install_server.sh @@ -0,0 +1,156 @@ +#! /bin/sh + +# Copyright 2011 Dvir Volk . All rights reserved. +# +# Redistribution and use in source and binary forms, with or without modification, are +# permitted provided that the following conditions are met: +# +# 1. Redistributions of source code must retain the above copyright notice, this list of +# conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright notice, this list +# of conditions and the following disclaimer in the documentation and/or other materials +# provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED +# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND +# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Dvir Volk OR +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON +# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# +# # # # # # # # # # # # # # # # # # # # # # # # # # +# +# Interactive service installer for redis server +# this generates a redis config file and an /etc/init.d script, and installs them +# this scripts should be run as root +# + + +die () { + echo "ERROR: $1. Aborting!" + exit 1 +} + + +#Initial defaults +_REDIS_PORT=6379 + +echo "Welcome to the redis service installer" +echo "This script will help you easily set up a running redis server + +" + +#check for root user TODO: replace this with a call to "id" +if [ `whoami` != "root" ] ; then + echo "You must run this script as root. Sorry!" + exit 1 +fi + +#Read the redis port +read -p "Please select the redis port for this instance: [$_REDIS_PORT] " REDIS_PORT +if [ ! `echo $REDIS_PORT | egrep "^[0-9]+\$"` ] ; then + echo "Selecting default: $_REDIS_PORT" + REDIS_PORT=$_REDIS_PORT +fi + +#read the redis config file +_REDIS_CONFIG_FILE="/etc/redis/$REDIS_PORT.conf" +read -p "Please select the redis config file name [$_REDIS_CONFIG_FILE] " REDIS_CONFIG_FILE +if [ !"$REDIS_CONFIG_FILE" ] ; then + REDIS_CONFIG_FILE=$_REDIS_CONFIG_FILE + echo "Selected default - $REDIS_CONFIG_FILE" +fi +#try and create it +mkdir -p `dirname "$REDIS_CONFIG_FILE"` || die "Could not create redis config directory" + +#read the redis log file path +_REDIS_LOG_FILE="/var/log/redis_$REDIS_PORT.log" +read -p "Please select the redis log file name [$_REDIS_LOG_FILE] " REDIS_LOG_FILE +if [ !"$REDIS_LOG_FILE" ] ; then + REDIS_LOG_FILE=$_REDIS_LOG_FILE + echo "Selected default - $REDIS_LOG_FILE" +fi + + +#get the redis data directory +_REDIS_DATA_DIR="/var/lib/redis/$REDIS_PORT" +read -p "Please select the data directory for this instance [$_REDIS_DATA_DIR] " REDIS_DATA_DIR +if [ !"$REDIS_DATA_DIR" ] ; then + REDIS_DATA_DIR=$_REDIS_DATA_DIR + echo "Selected default - $REDIS_DATA_DIR" +fi +mkdir -p $REDIS_DATA_DIR || die "Could not create redis data directory" + +#get the redis executable path +_REDIS_EXECUTABLE=`which redis-server` +read -p "Please select the redis executable path [$_REDIS_EXECUTABLE] " REDIS_EXECUTABLE +if [ ! -f "$REDIS_EXECUTABLE" ] ; then + REDIS_EXECUTABLE=$_REDIS_EXECUTABLE + + if [ ! -f "$REDIS_EXECUTABLE" ] ; then + echo "Mmmmm... it seems like you don't have a redis executable. Did you run make install yet?" + exit 1 + fi + +fi + + +#render the tmplates +TMP_FILE="/tmp/$REDIS_PORT.conf" +TPL_FILE="./redis.conf.tpl" +INIT_TPL_FILE="./redis_init_script.tpl" +INIT_SCRIPT_DEST="/etc/init.d/redis_$REDIS_PORT" +PIDFILE="/var/run/redis_$REDIS_PORT.pid" + + + +#check the default for redis cli +CLI_EXEC=`which redis-cli` +if [ ! "$CLI_EXEC" ] ; then + CLI_EXEC=`dirname $REDIS_EXECUTABLE`"/redis-cli" +fi + +#Generate config file from template +echo "## Generated by install_server.sh ##" > $TMP_FILE +cat $TPL_FILE | while read line; do eval "echo \"$line\"" >> $TMP_FILE; done +cp -f $TMP_FILE $REDIS_CONFIG_FILE || exit 1 + +#Generate sample script from template file +rm -f $TMP_FILE + +#we hard code the configs here to avoid issues with templates containing env vars +#kinda lame but works! +REDIS_INIT_HEADER=\ +"#/bin/sh\n +#Configurations injected by install_server below....\n\n +EXEC=$REDIS_EXECUTABLE\n +CLIEXEC=$CLI_EXEC\n +PIDFILE=$PIDFILE\n +CONF=\"$REDIS_CONFIG_FILE\"\n\n +REDISPORT=\"$REDIS_PORT\"\n\n +###############\n\n" + +#combine the header and the template (which is actually a static footer) +echo $REDIS_INIT_HEADER > $TMP_FILE && cat $INIT_TPL_FILE >> $TMP_FILE || die "Could not write init script to $TMP_FILE" + +#copy to /etc/init.d +cp -f $TMP_FILE $INIT_SCRIPT_DEST && chmod +x $INIT_SCRIPT_DEST || die "Could not copy redis init script to $INIT_SCRIPT_DEST" +echo "Copied $TMP_FILE => $INIT_SCRIPT_DEST" + +#Install the service +echo "Installing service..." +update-rc.d redis_$REDIS_PORT defaults && echo "Success!" +/etc/init.d/redis_$REDIS_PORT start || die "Failed starting service..." + +#tada +echo "Installation successful!" +exit 0 + + + +