shell基础之多功能nginx（安装、重启、停止等）

  1 #!/bin/bash
  2 #要求：检查本机是否已编译安装nginx，检查本机是否存在nginx源码包，编译安装nginx，实现开启、停止、查看状态等功能
  3 #检查是否已编译安装nginx
  4 while :
  5 do
  6 read -p "本机是否安装nginx？yes查看nginx状态，no跳转至安装nginx(yes/no):" wh_do
  7 if [ "$wh_do" == "no" ];then
  8 while :
  9 do
 10 read -p "是否确定编译安装nginx(yes/no)no表示退出脚本:" YON
 11 if [ "$YON" == "yes" ];then
 12     check_install=$(ls /usr/local |grep nginx)
 13     if [ -n "$check_install" ];then
 14     echo "已经编译安装nginx"
 15     break
 16     else
 17         #配置本地yum源
 18         mount_point=$(ls / |grep local_dvd)
 19         if [ -z "$mount_point" ];then
 20         mkdir /local_dvd
 21         mount /dev/cdrom /local_dvd
 22         echo "/dev/cdrom /local_dvd iso9660 defaults 0 0 " >> /etc/fstab
 23         rm -rf /etc/yum.repos.d/*.repo
 24         echo "[local]
 25 name=local
 26 baseurl=file:///local_dvd
 27 enabled=1
 28 gpgcheck=0 " >> /etc/yum.repos.d/local.repo
 29         fi
 30         check_have=$(find / -name nginx-*.tar.gz |head -n 1)
 31         if [ -z "$check_have" ];then
 32         yum -y install wget
 33         wget http://nginx.org/download/nginx-1.16.0.tar.gz
 34         fi
 35         check_have=$(find / -name nginx-*.tar.gz |head -n 1)
 36         #检查防火墙环境
 37         se_status=$(getenforce)
 38         if [ "$se_status"=="Enforcing" ];then
 39         setenforce 0
 40         sed -i "s/=Enforcing/=Disabled/g" /etc/selinux/config
 41         fi
 42         systemctl start firewalld
 43         systemctl enable firewalld
 44         #安装依赖包
 45         yum -y install gcc-* zlib-* pcre-*
 46         #解压nginx包
 47         tar xzf $check_have -C /root/
 48         #编译安装nginx
 49         cd /root/nginx-*
 50         pwd
 51          ./configure && make && make install
 52         /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
 53     fi
 54 if `firewall-cmd --list-port |grep 80/tcp` 
 55 then
 56 break
 57 else
 58 firewall-cmd --add-port=80/tcp
 59 firewall-cmd --add-port=80/tcp --permanent
 60 fi
 61 break
 62 elif [ "$YON" == "no" ];then
 63 echo "退出脚本"
 64 exit
 65 else
 66 echo "请输入正确的内容"
 67 continue
 68 fi
 69 done
 70 #nginx启动、停止、查看状态
 71 elif [ "$wh_do" == "yes" ];then
 72 check_install=$(ls /usr/local |grep nginx)
 73 if [ -z "$check_install" ];then
 74 echo "您未编译安装nginx，请先安装"
 75 continue
 76 fi
 77 while :
 78 do
 79 read -p "请输入你要执行操作的序号(0-退出；1-开启；2-停止；3-重启;4-查看状态)" NUM
 80 case $NUM in
 81 0)
 82 echo "退出脚本"
 83 exit
 84 ;;
 85 1)
 86 PID=$(ps aux |grep nginx |grep master |awk '{print $2}')
 87 if [ -z "$PID" ];then
 88 /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
 89 echo "启动nginx"
 90 else
 91 echo "nginx已经启动"
 92 fi
 93 ;;
 94 2)
 95 PID=$(ps aux |grep nginx |grep master |awk '{print $2}')
 96 if [ -z "$PID" ];then
 97 echo "nginx已经停止"
 98 else
 99 echo "停止nginx"
100 kill $PID
101 fi
102 ;;
103 3)
104 PID=$(ps aux |grep nginx |grep master |awk '{print $2}')
105 if [ -n "$PID" ];then
106 kill $PID
107 fi
108 /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
109 echo "重启nginx"
110 ;;
111 4)
112 PID=`ps aux |grep nginx |grep master |awk '{print $2}'`
113 if [ -z "$PID" ];then
114 echo "nginx已停止"
115 else
116 echo "nginx已开启"
117 fi
118 ;;
119 *)
120 echo "请输入正确的序号"
121 ;;
122 esac
123 done
124 else
125 echo "请输入正确的选项"
126 continue
127 fi
128 done