shell编程－项目部署（优化篇）

  #!/bin/bash
		# 功能：打包代码
		# 名称：deploy.sh
		# 作者：灰度
		# 版本：0.4
		# 联系方式：ｘｘｘｘｘ
		# 日志功能
		write_log(){
			LOG_DATE=`date +%F`
			LOG_TIME=`date +%T`
			buzhou="$1"
			echo " ${LOG_DATE}  ${LOG_TIME}	$0${buzhou}" >> /data/logs/deploy.log
		}
		# 增加锁文件
		add_lock(){
			echo "增加锁文件"
			touch /tmp/deploy.pid
			write_log "增加锁文件"
		}
		# 删除锁文件
		del_lock(){
			echo "删除锁文件"
			rm -f /tmp/deploy.pid
			write_log "删除锁文件"
		}
		# 打包代码
		tar_code(){
			echo "打包代码"
			ssh root@192.168.56.12 "/bin/bash /data/scripts/code_tar.sh"
			write_log "打包代码"
		}
		# 传输代码
		scp_code(){
			echo "传输代码"
			cd /data/codes/
			[ -f django.tar.gz ] && rm -f django.tar.gz
			[ -d django ] && rm -rf django
			scp root@192.168.56.12:/data/code/django.tar.gz ./
			write_log "传输代码"
		}
		# 关闭应用
		serv_stop(){
			echo "关闭nginx应用"
			/data/server/nginx/sbin/nginx -s stop
			write_log "关闭nginx应用"
			echo "关闭django应用"
			django_pid=$(lsof -Pti :8000)
			kill "${django_pid}"
			write_log "关闭django应用"
		}
		# 解压代码
		untar_code(){
			echo "解压代码"
			cd /data/codes/
			tar xf django.tar.gz
			write_log "解压代码"
		}
		# 放置代码
		fangzhi_code(){
			echo "备份原文件"
			B_TIME=$(date +%Y%m%d%H%M%S)
			mv /data/server/itcast/test1/views.py /data/backup/views.py-"${B_TIME}"
			write_log "备份原文件"
			
			echo "放置新文件"
			mv /data/codes/django/views.py  /data/server/itcast/test1/
			write_log "放置新文件"
		}
		# 开启应用
		serv_star(){
			echo "开启django应用"
			source /data/virtual/venv/bin/activate
			cd /data/server/itcast/	
			python manage.py runserver >>/dev/null 2>&1 &
			deactivate
			write_log "开启django应用"
			
			echo "开启nginx应用"
			/data/server/nginx/sbin/nginx
			write_log "开启nginx应用"
		}
		# 检查
		check(){
			echo "检查部署效果"
			netstat -tnulp | grep ‘:80‘
			write_log "检查部署效果"
		}
		main(){
			
			if [ -f /tmp/deploy.pid ]
			then
				echo "$0 脚本正在执行中..."
				exit
			else
				add_lock
				tar_code
				scp_code
				serv_stop
				untar_code
				fangzhi_code
				serv_star
				check
				del_lock
			fi
		}
		main