#!/bin/bash

############################################################################

# @desc:

# - 1. create user;

# - 2. create default directories and authorize;

# - 3. @usage: sh cachecloud-init.sh [username]

# @author: leifu

# @time:

###########################################################################

set -o nounset

set -o errexit

readonly redisDir="/opt/cachecloud/redis"

readonly redisTarGz="redis-3.0.7.tar.gz"

# check if the user exists

checkExist() {

local num=`cat /etc/passwd | grep -w $1 | wc -l`

#cat /etc/passwd | grep -q "$1"

if [[ $num == 1 ]]; then

echo "user $1 exists, overwrite user and *init all data*: [y/n]?"

read replace

if [[ ${replace} == "y" ]]; then

echo "delete existed user: $1."

userdel -r "$1"

createUser "$1"

init "$1"

return 0

fi

else

createUser "$1"

init "$1"

fi

return 0

}

# create the user

createUser() {

# create a user

useradd -m -d /home/$1 -s /bin/bash $1

# give the user a password

passwd $1

# add the user to sudoers

# echo "$1 ALL=(ALL) ALL" >> /etc/sudoers

# Maximum number of days between password change

chage -M 9999 $1

echo "OK: create user: $1 done"

}

# create defautl dirs and authorize

init() {

# create working dirs and a tmp dir

mkdir -p /opt/cachecloud/data

mkdir -p /opt/cachecloud/conf

mkdir -p /opt/cachecloud/logs

mkdir -p /opt/cachecloud/redis

mkdir -p /tmp/cachecloud

# change owner

chown -R $1:$1 /opt/cachecloud

chown -R $1:$1 /tmp/cachecloud

echo "OK: init: $1 done"

}

# install redis

installRedis() {

#which redis-server

#if [[ $? == 0 ]]; then

# echo "WARN: redis is already installed, exit."

# return

#fi

yum install -y gcc

mkdir -p ${redisDir} && cd ${redisDir}

wget http://download.redis.io/releases/${redisTarGz} && mv ${redisTarGz} redis.tar.gz && tar zxvf redis.tar.gz --strip-component=1

make && make install

if [[ $? == 0 ]]; then

echo "OK: redis is installed, exit."

chown -R $1:$1 ${redisDir}

export PATH=$PATH:${redisDir}/src

return

fi

echo "ERROR: redis is NOT installed, exit."

}

username=$1

checkExist "${username}"

installRedis "${username}"