mirror of https://github.com/redis/redis.git
191 lines
6.5 KiB
Bash
Executable File
191 lines
6.5 KiB
Bash
Executable File
#!/bin/sh
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# Copyright 2011 Dvir Volk <dvirsk at gmail dot com>. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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# EVENT SHALL Dvir Volk OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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# OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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################################################################################
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#
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# Interactive service installer for redis server
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# this generates a redis config file and an /etc/init.d script, and installs them
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# this scripts should be run as root
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die () {
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echo "ERROR: $1. Aborting!"
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exit 1
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}
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#Initial defaults
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_REDIS_PORT=6379
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echo "Welcome to the redis service installer"
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echo "This script will help you easily set up a running redis server
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"
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#check for root user TODO: replace this with a call to "id"
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if [ `whoami` != "root" ] ; then
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echo "You must run this script as root. Sorry!"
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exit 1
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fi
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#Read the redis port
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read -p "Please select the redis port for this instance: [$_REDIS_PORT] " REDIS_PORT
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if [ ! `echo $REDIS_PORT | egrep "^[0-9]+\$"` ] ; then
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echo "Selecting default: $_REDIS_PORT"
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REDIS_PORT=$_REDIS_PORT
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fi
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#read the redis config file
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_REDIS_CONFIG_FILE="/etc/redis/$REDIS_PORT.conf"
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read -p "Please select the redis config file name [$_REDIS_CONFIG_FILE] " REDIS_CONFIG_FILE
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if [ !"$REDIS_CONFIG_FILE" ] ; then
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REDIS_CONFIG_FILE=$_REDIS_CONFIG_FILE
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echo "Selected default - $REDIS_CONFIG_FILE"
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fi
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#try and create it
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mkdir -p `dirname "$REDIS_CONFIG_FILE"` || die "Could not create redis config directory"
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#read the redis log file path
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_REDIS_LOG_FILE="/var/log/redis_$REDIS_PORT.log"
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read -p "Please select the redis log file name [$_REDIS_LOG_FILE] " REDIS_LOG_FILE
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if [ !"$REDIS_LOG_FILE" ] ; then
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REDIS_LOG_FILE=$_REDIS_LOG_FILE
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echo "Selected default - $REDIS_LOG_FILE"
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fi
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#get the redis data directory
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_REDIS_DATA_DIR="/var/lib/redis/$REDIS_PORT"
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read -p "Please select the data directory for this instance [$_REDIS_DATA_DIR] " REDIS_DATA_DIR
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if [ !"$REDIS_DATA_DIR" ] ; then
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REDIS_DATA_DIR=$_REDIS_DATA_DIR
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echo "Selected default - $REDIS_DATA_DIR"
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fi
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mkdir -p $REDIS_DATA_DIR || die "Could not create redis data directory"
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#get the redis executable path
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_REDIS_EXECUTABLE=`which redis-server`
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read -p "Please select the redis executable path [$_REDIS_EXECUTABLE] " REDIS_EXECUTABLE
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if [ ! -f "$REDIS_EXECUTABLE" ] ; then
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REDIS_EXECUTABLE=$_REDIS_EXECUTABLE
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if [ ! -f "$REDIS_EXECUTABLE" ] ; then
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echo "Mmmmm... it seems like you don't have a redis executable. Did you run make install yet?"
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exit 1
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fi
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fi
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#render the tmplates
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TMP_FILE="/tmp/$REDIS_PORT.conf"
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DEFAULT_CONFIG="../redis.conf"
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INIT_TPL_FILE="./redis_init_script.tpl"
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INIT_SCRIPT_DEST="/etc/init.d/redis_$REDIS_PORT"
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PIDFILE="/var/run/redis_$REDIS_PORT.pid"
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#check the default for redis cli
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CLI_EXEC=`which redis-cli`
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if [ ! "$CLI_EXEC" ] ; then
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CLI_EXEC=`dirname $REDIS_EXECUTABLE`"/redis-cli"
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fi
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#Generate config file from the default config file as template
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#changing only the stuff we're controlling from this script
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echo "## Generated by install_server.sh ##" > $TMP_FILE
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SED_EXPR="s#^port [0-9]{4}\$#port ${REDIS_PORT}#;\
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s#^logfile .+\$#logfile ${REDIS_LOG_FILE}#;\
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s#^dir .+\$#dir ${REDIS_DATA_DIR}#;\
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s#^pidfile .+\$#pidfile ${PIDFILE}#;\
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s#^daemonize no\$#daemonize yes#;"
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echo $SED_EXPR
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sed -r "$SED_EXPR" $DEFAULT_CONFIG >> $TMP_FILE
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#cat $TPL_FILE | while read line; do eval "echo \"$line\"" >> $TMP_FILE; done
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cp -f $TMP_FILE $REDIS_CONFIG_FILE || exit 1
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#Generate sample script from template file
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rm -f $TMP_FILE
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#we hard code the configs here to avoid issues with templates containing env vars
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#kinda lame but works!
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REDIS_INIT_HEADER=\
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"#/bin/sh\n
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#Configurations injected by install_server below....\n\n
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EXEC=$REDIS_EXECUTABLE\n
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CLIEXEC=$CLI_EXEC\n
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PIDFILE=$PIDFILE\n
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CONF=\"$REDIS_CONFIG_FILE\"\n\n
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REDISPORT=\"$REDIS_PORT\"\n\n
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###############\n\n"
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REDIS_CHKCONFIG_INFO=\
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"# REDHAT chkconfig header\n\n
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# chkconfig: - 58 74\n
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# description: redis_6379 is the redis daemon.\n
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### BEGIN INIT INFO\n
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# Provides: redis_6379\n
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# Required-Start: $network $local_fs $remote_fs\n
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# Required-Stop: $network $local_fs $remote_fs\n
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# Default-Start: 2 3 4 5\n
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# Default-Stop: 0 1 6\n
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# Should-Start: $syslog $named\n
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# Should-Stop: $syslog $named\n
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# Short-Description: start and stop redis_6379\n
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# Description: Redis daemon\n
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### END INIT INFO\n\n"
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if [ !`which chkconfig` ] ; then
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#combine the header and the template (which is actually a static footer)
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echo $REDIS_INIT_HEADER > $TMP_FILE && cat $INIT_TPL_FILE >> $TMP_FILE || die "Could not write init script to $TMP_FILE"
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else
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#if we're a box with chkconfig on it we want to include info for chkconfig
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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"
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fi
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#copy to /etc/init.d
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cp -f $TMP_FILE $INIT_SCRIPT_DEST && chmod +x $INIT_SCRIPT_DEST || die "Could not copy redis init script to $INIT_SCRIPT_DEST"
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echo "Copied $TMP_FILE => $INIT_SCRIPT_DEST"
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#Install the service
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echo "Installing service..."
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if [ !`which chkconfig` ] ; then
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#if we're not a chkconfig box assume we're able to use update-rc.d
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update-rc.d redis_$REDIS_PORT defaults && echo "Success!"
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else
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# we're chkconfig, so lets add to chkconfig and put in runlevel 345
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chkconfig --add redis_$REDIS_PORT && echo "Successfully added to chkconfig!"
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chkconfig --level 345 redis_$REDIS_PORT on && echo "Successfully added to runlevels 345!"
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fi
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/etc/init.d/redis_$REDIS_PORT start || die "Failed starting service..."
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#tada
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echo "Installation successful!"
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exit 0
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