Shell脚本-自动化部署反向代理、WEB、nfs

部署nginx反向代理三个web服务，调度算法使用加权轮询(由于物理原因只开启两台服务器)

AutoNginxNfsService.sh

#/bin/bash
systemctl status nginx
if(($?==4))
    then 
    yum install -y nginx
    if(($?==0))
        then
        #echo 'Yes!'
        systemctl start nginx
        if(($?==0))
            then
            echo "Congratulations!! Nginx start OK!!"
        else
            echo "Sorry is Fail!!!"    
        fi
    else
        echo"sorry install is Fail!!!"
        
    fi 
elif(($?==3))
    then
    systemctl start nginx
    if(($?==0))
        then
        echo "Congratulations!! Nginx start OK!!!"
    else
        echo "sorry!!"
    fi
elif(($?==0))
    then
    echo "OKOKOK!!!"
else 
    echo "I am so sorry"    
fi
echo "config writing...."
grep 'upstream' /etc/nginx/nginx.conf
if(($?!=0))
    then
    sed -ri '/^http/a upstream Yanlong {' /etc/nginx/nginx.conf
    sed -ri '/^upst/a server yanlongweb1 weight=3;' /etc/nginx/nginx.conf
    sed -ri '/^server yanlongweb1/a server yanlongweb2;' /etc/nginx/nginx.conf
    sed -ri '/^server yanlongweb2/a }' /etc/nginx/nginx.conf
    sed -ri '/^( +)(location)( )(/)/a proxy_pass http://Yanlong;' /etc/nginx/nginx.conf
fi
echo "config write is OK!"
systemctl reload nginx
if(($?==0))
    then
    echo "HTTP load balancer is OK!"
else
    echo "Sorry!!"
fi
systemctl status nfs
if(($?==4))
    then 
    yum install rpcbind nfs-utils -y
    if(($?==0))
        then
        #echo 'Yes!'
        systemctl start nfs
        if(($?==0))
            then
            echo "Congratulations!! nfs start OK!!"
        else
            echo "Sorry is Fail!!!"    
        fi
    else
        echo"sorry install is Fail!!!"
        
    fi 
elif(($?==3))
    then
    systemctl start nfs
    if(($?==0))
        then
        echo "Congratulations!! nfs start OK!!!"
    else
        echo "sorry!!"
    fi
elif(($?==0))
    then
    echo "OKOKOK!!!"
else 
    echo "I am so sorry"    
fi
echo "config writing...."
echo "/webindex 192.168.16.0/24(rw,sync,fsid=0)" > /etc/exports
echo "config write is OK!"
systemctl reload nfs
if(($?==0))
    then
    echo "NFS service is OK!"
else
    echo "Sorry!!"
fi

所有web服务使用共享存储nfs，保证所有web都对其有读写权限，保证数据一致性

#/bin/bash
systemctl status nginx
if(($?==4))
        then
        yum install -y nginx
        if(($?==0))
                then
                #echo 'Yes!'
                systemctl start nginx
                if(($?==0))
                        then
                        echo "Congratulations!! Nginx start OK!!"
                else
                        echo "Sorry is Fail!!!" 
                fi
        else
                echo"sorry install is Fail!!!"

        fi
elif(($?==3))
        then
        systemctl start nginx
        if(($?==0))
                then
                echo "Congratulations!! Nginx start OK!!!"
        else
                echo "sorry!!"
        fi
elif(($?==0))
        then
        echo "OKOKOK!!!"
else
        echo "I am so sorry"    
fi
echo "config writing...."
sed -ri '/^( +)(location)( )(/)/a root /nginxwebservice;' /etc/nginx/nginx.conf
sed -ri '/^root /nginxwebservice/a index web.html;' /etc/nginx/nginx.conf
echo "config write is OK!"
systemctl reload nginx
if(($?==0))
        then
        echo "HTTP load balancer YanlongWEBservice is OK!"
else
        echo "Sorry!!"
fi
systemctl status nfs
if(($?==4))
    then 
    yum install rpcbind nfs-utils -y
    if(($?==0))
        then
        #echo 'Yes!'
        systemctl start nfs
        if(($?==0))
            then
            echo "Congratulations!! nfs start OK!!"
        else
            echo "Sorry is Fail!!!"    
        fi
    else
        echo"sorry install is Fail!!!"
        
    fi 
elif(($?==3))
    then
    systemctl start nfs
    if(($?==0))
        then
        echo "Congratulations!! nfs start OK!!!"
    else
        echo "sorry!!"
    fi
elif(($?==0))
    then
    echo "OKOKOK!!!"
else 
    echo "I am so sorry"    
fi
echo "config writing...."
mount -t nfs 192.168.16.120:/webindex/ /nginxwebservice/
echo "config write is OK!"
systemctl reload nfs
if(($?==0))
    then
    echo "NFS service is OK!"
else
    echo "Sorry!!"
fi