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-rwxr-xr-xutils/install_server.sh121
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diff --git a/utils/install_server.sh b/utils/install_server.sh
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+#! /bin/sh
+# 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
+#
+# Contributed by Dvir Volk dvirsky at gmail dot com 2011
+# This code is contributed to public domain
+
+
+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 - $REDIS_CONFIG_FILE"
+fi
+
+#try and create
+mkdir -p `dirname "$REDIS_CONFIG_FILE"` || die "Could not create redis config directory"
+
+#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 - $REDIS_DATA_DIR"
+fi
+#try the data directory setting
+mkdir -p `dirname "$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"
+
+#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=$CLI_EXEC\n
+PIDFILE=/var/run/redis_${REDIS_PORT}.pid\n
+CONF=\"$REDIS_CONFIG_FILE\"\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 || 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
+
+
+
+