#!/bin/bash
# Date:2018/11/29
# Author:  linyaohong
# BLOG:  ************
# Qq:122123498
# Version:1.0
# User: Centos 7
export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
[ -f /etc/init.d/functions ] && . /etc/init.d/functions

# set color
SRED="\E[41;5m"
RED="\E[31m"
GREEN="\E[32m"
CEND="\E[0m"
user="www"
rsync_passwd_file=/etc/rsync.passwd
rsync_user=backup
rsync_passwd=backup2018
# Check you network status
NET_NUM=`ping -c 4 www.baidu.com |awk '/packet loss/{print $6}' |sed -e 's/%//'`
if [ -z "$NET_NUM" ] || [ $NET_NUM -ne 0 ];then
        echo "Please check your internet"
        exit 1
fi
yum -y install redhat-lsb
# check_os
CentOS_ver=$(lsb_release -sr | awk -F . '{print $1}')
if [ ${CentOS_ver} != "7" ]; then
    echo "Error: You must be Centos7 to run this script"
    exit 1
fi
# Check if user is root
#[ $(id -u) != "0" ] && { echo "Error: You must be root to run this script"; exit 1; }
if [ $(id -u) != "0" ]; then
    echo "Error: You must be root to run this script"
    exit 1
fi
# Chenck if rsync install
if [ -f /etc/rsyncd.conf ];then
    /bin/cp /etc/rsyncd.conf  /etc/rsyncd.conf_$(date +%F)
    action "backup rsyncd.conf"  /bin/true
    if [ `ps -ef|grep -w rsync|grep -v grep|wc -l` -ge "1" ];then
        echo -e   "${RED}rsync is runing exit.please check rsync service an reruns the script ${CEDN}"
        exit 1
    fi
else
    yum -y install rsync
    action "install rsync "  /bin/true
    
fi
cat >/etc/rsyncd.conf <<EOF
uid = ${user} 
gid = ${user}
use chroot = no                                 
max connections = 2000                        
timeout = 600
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsync.lock
log file = /var/log/rsyncd.log 
ignore errors
read only = false 
list = false
hosts allow = 0.0.0.0/24
hosts deny = 0.0.0.0/32
auth users = backup
secrets file = ${rsync_passwd_file}
#exclude = 
#################################################
[www]
comment = "wwwroot"
path = /www/wwwroot
exclude = test1
#################################################
[logs]
comment = "logs"
path = /www/logs/
exclude = test2
EOF
echo "${rsync_user}:${rsync_passwd}"> ${rsync_passwd_file}
chmod 600 ${rsync_passwd_file}
[ -f /var/run/rsyncd.pid ]&& rm -rf /var/run/rsyncd.pid
`which rsync` --daemon /etc/rsyncd.conf

if [ `ps -ef|grep -w rsync|grep -v grep|wc -l` -ge "1" ];then
    echo -e "${GREEN}rsync install successfully ${CEDN}"
else
    echo -e "${RED}rsync install failed${CEND}"
    exit 1
fi
# iptables Ftp
systemctl status firewalld >/dev/null 2>&1
if [ $? = "0" ];then
	firewall-cmd --permanent --zone=public --add-port=873/tcp >/dev/null 2>&1
	firewall-cmd --reload	>/dev/null 2>&1
	echo -e "${GREEN}firewalld port open 873${CEND}"
else
	echo -e "${RED}your firewall is closed! Please open firewalld ${CEND}"
	echo -e "${RED}please open 873  port${CEND}"
	echo -e "${GREEN}firewall-cmd --permanent --zone=public --add-port=873/tcp${CEND}"
	echo -e "${GREEN}firewall-cmd --reload${CEND}"
fi
read -p "do you want install inotify [y|n]:" option
    case  "${option}" in
        y|Y)
        wget -O /etc/yum.repos.d/eple.repo  http://mirrors.aliyun.com/repo/epel-7.repo
        yum -y install inotify-tools
        ;;
        n|N)
        echo "rsync install ok"
        exit 1
        ;;
        *)
        echo "rsync install  ok"
    esac