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#!/bin/bash


#########################################
# ShVersion：V1.0
# Zabbix_Version:：5.0
# ZuoZhe：Zux
#########################################


function main() {
    echo -e "              #######################################"
    echo -e "              #         Under installation……        #"
    echo -e "              #######################################"
    tar_rpm
    create_yum
    configure_yum
    install_zabbix_server_and_agent
    install_mariadb
    install_apache
    start_mariadb
    configure_mariadb
    configure_php
    start_zabbix
}


function tar_rpm() {
    if [ -d /data/ ]
    then
        unzip zabbix5.zip -d /data/ &> /dev/null
    else
        mkdir -p /data/
        unzip zabbix5.zip -d /data/ &> /dev/null
    fi
}

function create_yum() {
    check=$(yum makecache &> /dev/null)
    if [[ $check -eq 0 ]]
    then
        yum -y install createrepo &> /dev/null
        createrepo /data/zabbix5.0 &> /dev/null
        if [ $? != 0 ]
        then
            echo -e "\033[31m 提示：\033[0m "创建Yum源失败!!!
            exit 0
        fi
    else
        echo -e "\033[31m 提示：\033[0m " 请检查yum源!!!
        exit 0
    fi
}

function configure_yum() {
    cat >> /etc/yum.repos.d/zabbix.repo << EOF
[zabbix]
name=zabbix
baseurl=file:///data/zabbix5.0/
enabled=1
gpgcheck=0
EOF
}

function install_zabbix_server_and_agent() {
    yum -y install zabbix-server-mysql zabbix-agent &> /dev/null
    check_zabbix_server_agent=$(rpm -qa | grep zabbix | wc -l)
    if [[ $check_zabbix_server_agent -eq 2 ]]
    then
        echo ""
    else
        echo -e "\033[31m 提示：\033[0m "Zabbix-Server-Mysql AND Zabbix-agnet Install Failed!!!
        exit 0
    fi
}

function install_mariadb() {
    yum -y install mariadb-server.x86_64 &> /dev/null
    check_mariadb=$(rpm -qa | grep mariadb | wc -l)
    if [[ $check_mariadb -eq 3 ]]
    then
        echo ""
    else
        echo -e "\033[31m 提示：\033[0m "Mariadb Install Failed!!!
        exit 0
    fi
}

function install_apache() {
    yum -y install zabbix-web-mysql-scl zabbix-apache-conf-scl &> /dev/null
    check_apache=$(rpm -qa | grep zabbix | wc -l)
    if [[ $check_apache -eq 6 ]]
    then
        echo ""
    else
        echo -e "\033[31m 提示：\033[0m "Zabbix-apache Install Failed!!!
    fi
}

function start_mariadb() {
    User="root"
    Password="123.com"
    systemctl enable mariadb.service &> /dev/null
    systemctl start mariadb.service
    mysqladmin -u $User password $Password
    check_mariadb_pid=$(ps -ef | grep mysql | wc -l )
    if [[ $check_mariadb_pid -eq 3 ]]
    then
        echo ""
    else
        echo -e "\033[31m 提示：\033[0m "Mariadb is Not Starting!!!
    fi
}

function configure_mariadb() {
    ZabbixUser="zabbix"
    ZabbixPasswd="123.com"
    User="root"
    Password="123.com"
    mysql -u $User -p$Password -e "create database zabbix character set utf8 collate utf8_bin;"
    mysql -u $User -p$Password -e "create user zabbix@localhost identified by '123.com';"
    mysql -u $User -p$Password -e "grant all privileges on zabbix.* to zabbix@localhost;"
    cd /usr/share/doc/zabbix-server-mysql-5.0.10/
    gzip -d create.sql.gz
    mysql -u $ZabbixUser -p$ZabbixPasswd zabbix < create.sql
}

function configure_php() {
    echo "DBPassword = 123.com" >> //etc/zabbix/zabbix_server.conf
    echo "php_value[date.timezone] = Asia/Shanghai" >> /etc/opt/rh/rh-php72/php-fpm.d/zabbix.conf
}

function start_zabbix() {
    systemctl restart zabbix-server zabbix-agent httpd rh-php72-php-fpm
    systemctl enable zabbix-server zabbix-agent httpd rh-php72-php-fpm &> /dev/null
    echo -e "\033[31m 提示：\033[0m "Zabbix install Success!!!
    echo -e "\033[35m 访问：\033[0m "IP/zabbix
    echo -e "Default Username: Admin"
    echo -e "Default Password: zabbix"
}


################### Main ###################
main