#!/bin/bash
# Debian/Ubuntu Linux systems. (May 10, 2019)
# (GNU/General Public License version 2.0)
# For Centos 7 and up, Linux lzone_zkong_cluster_01 3.10.0-862.el7.x86_64.
# ...And away we go!

source /etc/profile
source ~/.bash_profile

current_directory=$(pwd)
Installation_Logs="esl-install.log"
Kernel_conf=/etc/sysctl.conf
Iptables=net.bridge.bridge-nf-call-iptables=1
Ip6tables=net.bridge.bridge-nf-call-ip6tables=1
Ip_forward=net.ipv4.ip_forward=1
Log_time=`date +'%F %H:%M:%S'`

Have_Network(){
    echo -n -e "\033[1;32m $Log_time  Start install  \n\033[0m"
    cp -n docker-compose /usr/local/bin/
    if [ ! -f "/usr/bin/dockerd" ];then
           if [ ! -f "/etc/yum.repos.d/docker-ce.repo" ];then
           cp docker-ce.repo /etc/yum.repos.d/
           fi
    fi

    echo -n -e "\033[1;32m $Log_time Install Docker  \n\033[0m" > $Installation_Logs
    yum -y install docker-ce-19.03.4-3.el7 > $Installation_Logs 2>&1
    result=$?
    if [ $result == "0" ];then
        systemctl daemon-reload && systemctl start docker && systemctl enable docker.service >> $Installation_Logs
        systemctl status docker  >> $Installation_Logs  && docker -v >> $Installation_Logs
    else
        echo 'Please make sure your network can access the public network and reinstall'
        exit
    fi

    echo -n -e "\033[1;32m $Log_time  Modify kernel parameters  \n\033[0m" >> $Installation_Logs
    echo $Iptables >> $Kernel_conf
    echo $Ip6tables >> $Kernel_conf
    echo $Ip_forward >> /etc/sysctl.conf
    sysctl -p >> $Installation_Logs 2>&1

    echo -n -e "\033[1;32m $Log_time Load mirror \n\033[0m" >> $Installation_Logs
    for image in `ls docker-images`
    do
        docker load -i docker-images/$image >> $Installation_Logs 2>&1
    done
    sed -i "s@/usr/local/esl@$current_directory@" docker-compose.yaml

    echo -n -e "\033[1;32m $Log_time Start Docker-compose..  \n\033[0m" >> $Installation_Logs
    docker-compose up -d >> $Installation_Logs 2>&1
    if [ $? -eq 0 ];then
        echo "The installation is complete"
    fi
    echo -n -e "\033[1;32m $Log_time Stop firewalld..  \n\033[0m" >> $Installation_Logs
    systemctl status firewalld | grep "running" >> $Installation_Logs  2>&1
    if [ $? -eq 0 ];then
       systemctl stop firewalld >> $Installation_Logs 2>&1
       systemctl disable firewalld >> $Installation_Logs 2>&1
    fi
    echo -n -e "\033[1;32m $Log_time Disabled Selinux  \n\033[0m" >> $Installation_Logs
    if [ `getenforce` != "Disabled" ];then
       sed -i 's/SELINUX=enabled/SELINUX=disabled/g' /etc/selinux/config >> $Installation_Logs 2>&1
       setenforce 0 >> $Installation_Logs 2>&1
    fi

    echo "$Log_time Installing qrencode" >> Installation_Logs  2>&1
    yum -y install qrencode  >> esl-install.log 2>&1
    echo Configure monitoring alarm >> esl-install.log 2>&1
    echo "#Monitoring alarm - CPU, memory, web, disk" >>/var/spool/cron/root
    echo "* * * * * bash /usr/local/esl/scripts/Monitoring.sh"  >>/var/spool/cron/root
    echo "#Clear docker log every Sunday" >>/var/spool/cron/root
    echo "0 0 * * 0 /bin/bash /usr/local/esl/scripts/docker-log.sh" >>/var/spool/cron/root
    source ./scripts/Project_name.sh
    echo -n -e '\033[1;32m钉钉扫描下方二维码加入公共服务告警群\n\033[0m'
    echo "https://qr.dingtalk.com/action/joingroup?code=v1,k1,/6KAfTMKiXmaHdLt3JhEnfposcJEIFgRP3de0epIa2Y=&_dt_no_comment=1&origin=11" | qrencode -t UTF8

}
No_Network(){
     echo "======================================================================================="
     echo -n -e '\033[1;32m当前机器无外网，正在执行离线安装脚本   \n\033[0m'
     sh /usr/local/esl/scripts/docker-install-and-uninstall.sh
     echo -n -e "\033[1;32m $Log_time  Modify kernel parameters  \n\033[0m" >> $Installation_Logs
     echo $Iptables >> $Kernel_conf
     echo $Ip6tables >> $Kernel_conf
     echo $Ip_forward >> /etc/sysctl.conf
     sysctl -p >> $Installation_Logs 2>&1
     echo -n -e "\033[1;32m $Log_time Load mirror \n\033[0m" >> $Installation_Logs
     for image in `ls docker-images`
     do
        docker load -i docker-images/$image >> $Installation_Logs 2>&1
     done
     sed -i "s@/usr/local/esl@$current_directory@" docker-compose.yaml

     echo -n -e "\033[1;32m $Log_time Start Docker-compose..  \n\033[0m" >> $Installation_Logs
     docker-compose up -d >> $Installation_Logs 2>&1
     if [ $? -eq 0 ];then
         echo "The installation is complete"
     fi
     echo -n -e "\033[1;32m $Log_time Stop firewalld..  \n\033[0m" >> $Installation_Logs
     systemctl status firewalld | grep "running" >> $Installation_Logs  2>&1
     if [ $? -eq 0 ];then
        systemctl stop firewalld >> $Installation_Logs 2>&1
        systemctl disable firewalld >> $Installation_Logs 2>&1
     fi
     echo -n -e "\033[1;32m $Log_time Disabled Selinux  \n\033[0m" >> $Installation_Logs
     if [ `getenforce` != "Disabled" ];then
        sed -i 's/SELINUX=enabled/SELINUX=disabled/g' /etc/selinux/config >> $Installation_Logs 2>&1
        setenforce 0 >> $Installation_Logs 2>&1
     fi

     echo -n -e '\033[1;32m正在执行docker-compose up -d --build  \n\033[0m'
     docker-compose up -d --build  >> $Installation_Logs 2>&1

     echo -n -e '\033[1;32m===========================================================================================================================================================================  \n\033[0m'
     docker ps
     echo -n -e '\033[1;32m===========================================================================================================================================================================  \n\033[0m'

     exit
}

Network(){
Network=`ping -c 3 www.baidu.com >> $Installation_Logs 2>&1`
if [ $? == 0 ];then
    Have_Network
else
    No_Network
fi
}
Network