jenkins結合腳本實現代碼自動化部署及一鍵回滾至上一版本

一：本文通過jenkins調用shell腳本的的方式完成從Git服務器獲取代碼、打包、部署到web服務器、將web服務器從負載均衡器刪除、解壓、複製配置文件、創建軟連接、測試每一臺web服務器、將web服務器添加至負載均衡、回滾到任意指定版本、一鍵回滾到上一版本等功能，腳本放在www用戶家目錄並使用www用戶身份執行，每個web服務器也都使用www用戶運行web服務，且UID相同web目錄和權限都一致，更嚴格的標準化可以帶來更安全的生產環境和更高的效率：

1.1：在jenkins項目配置中調用shell腳本與環境準備：

1.1.1：#jenkins-項目-配置：

1.1.2：www用戶家目錄中的腳本內容：

$ cat code_deploy.sh

<code> 
 
 
NODE_LIST=
"192.168.10.101 192.168.10.102"
PRE_LIST=
"192.168.10.101"
GROUP1_LIST=
"192.168.10.102"

 
LOG_CDATE=`date 
"+%Y-%m-%d"
`  
LOG_CTIME=`date  
"+%H-%M-%S"
`

 
CDATE=$(date 
"+%Y-%m-%d"
)  
CTIME=$(date 
"+%H-%M-%S"
)

 
SHELL_NAME=
"deploy.sh"
   
SHELL_DIR=
"/home/www"
  
SHELL_LOG=
"
${SHELL_DIR}
/
${SHELL_NAME}
.LOG"
  
LOCK_FILE=
"/tmp/deploy.lock"
  

 
PRO_NAME=
"web-demo"
  
CODE_DIR=
"/deploy/code/web-demo"
  
CONFIG_DIR=
"/deploy/config/web-demo"
  
TMP_DIR=
"/deploy/tmp"
  
TAR_DIR=
"/deploy/tar"
  

 
ROLLBACK_LIST=
"192.168.10.101 192.168.10.102"

 
usage
(){  
	
echo
 $
"
$0
使用幫助：
$0
 deploy or rollback + code version"

}

writelog
(){  
	LOGINFO=
$1
  
	
echo
 
"
${CDATA}
 
${CTIME}
: 
${SHELL_NAME}
:
${LOGINFO}
"
 >> 
${SHELL_LOG}
}

code_get
(){  
	writelog 
"code_get"
	
cd
 
${CODE_DIR}
 && git pull   
	/bin/cp -rf 
${CODE_DIR}
 
${TMP_DIR}
/  
	API_VERL=$(git show | grep commit | cut -d 
' '
 -f2)  
	API_VER=$(
echo
 
${API_VERL:0:8} 
)   
}

code_build
(){  
	
echo
 code_build
}

code_config
(){  
	writelog 
"conde_config"
	/bin/cp -rf 
${CONFIG_DIR}
/base/*   
${TMP_DIR}
/
${PRO_NAME}
  
	PKG_NAME=
"
${PRO_NAME}
"
_
"
${API_VER}
"
_
"
${CDATE}
-
${CTIME}
"
  
	
cd
 
${TMP_DIR}
 && mv 
${PRO_NAME}
 
${PKG_NAME}
  
}

code_tar
(){  
	writelog 
"conde_tar"
	
cd
 
${TMP_DIR} 
 && tar czf 
${PKG_NAME}
.tar.gz 
${PKG_NAME}
 --exclude=
".git"
   
	writelog 
"
${PKG_NAME}
.tar.gz 打包成功"
  
}

code_scp
(){  
	writelog  
"code_scp"
	
for
 node 
in
 
${PRE_LIST}
;
do
  
		scp 
${TMP_DIR}
/
${PKG_NAME}
.tar.gz 
$node
:/opt/webroot  
	
done
	
for
 node 
in
 
${GROUP1_LIST}
;
do
  
		scp 
${TMP_DIR}
/
${PKG_NAME}
.tar.gz 
$node
:/opt/webroot  
	
done
}

 
cluster_node_remove
(){  
	writelog 
"cluster_node_remove"
}

pre_deploy
(){  
	writelog 
"code_deploy"
	
for
 node 
in
 
${PRE_LIST}
;
do
  
		cluster_node_remove  
${node}
  
		
echo
  
"pre_deploy, cluster_node_remove 
${node}
"

		ssh 
${node}
 
"cd /opt/webroot && tar zxf 
${PKG_NAME}
.tar.gz"
  
		ssh 
${node}
 
"rm -f /webroot/web-demo && ln -s /opt/webroot/
${PKG_NAME}
 /webroot/web-demo"
  
        
done
}	

pre_test
(){  
        
for
 node 
in
 
${PRE_LIST} 
;
do
  
            curl -s --head http://
${node}
:8899/index.html | grep 
"200 OK"
  
        
if
 [ $? -eq 0 ];
then
   
            writelog 
" 
${node}
 Web Test OK!"
  
            
echo
 
" 
${node}
 Web Test OK!"

	    cluster_node_add 
${node}
  
            writelog 
"pre,
${node}
 add to cluster OK!"
  
        
else
  
            writelog 
"
${node}
 test no OK"
  
            
echo
 
"
${node}
 test no OK"

            delete_key_file  
            
break
  
        
fi
        
done

}

group1_deploy
(){  
	writelog 
"code_deploy" 

	
for
 node 
in
 
${GROUP1_LIST}
;
do
  
		cluster_node_remove 
$node
  
		
echo
 
"group1, cluster_node_remove 
$node
"

		ssh 
${node}
 
"cd /opt/webroot && tar zxf 
${PKG_NAME}
.tar.gz"
  
		ssh 
${node}
 
"rm -f /webroot/web-demo && ln -s /opt/webroot/
${PKG_NAME}
 /webroot/web-demo"
  
        
done
	scp 
${CONFIG_DIR}
/other/192.168.10.102.server.xml 192.168.10.102:/webroot/web-demo/server.xml   
}	

group1_test
(){  
        
for
 node 
in
 
${PRE_LIST}
;
do
  
            curl -s --head http://
${node}
:8899/index.html | grep 
"200 OK"
  
        
if 
 [ $? -eq 0 ];
then
   
            writelog 
" 
${node}
 Web Test OK!"
  
            
echo
 
"group1_test,
${node}
 Web Test OK!"

	    cluster_node_add
            writelog 
" 
${node}
 add to cluster OK!"
  
        
else
  
            writelog 
"
${node}
 test no OK"
  
            
echo
 
"
${node}
 test no OK"

	    delete_key_file  
            
break
  
        
fi
        
done
}

config_diff
(){  
	writelog 
"config_diff"
	
for
 node 
in
 
${NODE_LIST}
;
do
  
	    curl -s --head http://
${node} 
:8899/index.html | grep 
"200 OK"
  
	
if
 [ $? -eq 0 ];
then
   
	    writelog 
" 
${node}
 Web Test OK!"
  
	    
echo
 
" 
${node}
 Web Test OK!"

	
else
  
	    writelog 
"
${node}
 test no OK"
  
	    
echo
 
"
${node}
 test no OK"

	    
break
  
	
fi
	
done
}

code_test
(){
	
echo
 code_test
}
cluster_node_remove
(){  
	writelog 
$1
  
}

cluster_node_add
 
(){  
	
echo
 cluster_node_add
}


touch_key_file
(){ ＃創建鎖文件函數，當鎖文件存在則表示腳本在運行，腳本在運行其他人就不能在同一時間再次執行，因此要退出
    touch /tmp/deploy.lock
    
echo
 
"keyfile"
}

delete_key_file
(){　＃刪除鎖文件的函數
 	rm -rf /tmp/deploy.lock
}

rollback
(){  
    
if
 [ -z 
$1
 ];
then
	delete_key_file  
	
echo
 
"請輸入參數"
 && 
exit
 3;
    
fi
	 
	
case
 
$1
 
in
  
	list)
	    ls -l /opt/webroot/*.tar.gz
	    ;;
	*)
	    rollback_funk 
$1
;
	
esac
}

 
rollback_funk
(){
	
for
 node 
in
 
${ROLLBACK_LIST}
;
do
  
	    ssh 
${node}
 
"rm -f /webroot/web-demo && ln -s /opt/webroot/
$1
 /webroot/web-demo"
  
	    
echo
 
"
${node}
 rollback success!"

	
done
}

emergency_code_get
(){  
	writelog 
"code_get"
	
cd
 
${CODE_DIR}
 && git reset --hard HEAD^    
	/bin/cp -rf 
${CODE_DIR}
 
${TMP_DIR}
/  
	API_VERL=$(git show | grep commit | cut -d 
' '
 -f2)　＃代碼回滾取到的git版本號
	API_VER=$(
echo
 
${API_VERL:0:8}
)  
}

emergency
(){   
	emergency_code_get  
	code_build;  
        code_config;  
        code_tar;  
        code_scp;  
        cluster_node_remove;
        pre_deploy;  
        pre_test;  
        group1_deploy;  
        group1_test;  
        config_diff;  
        code_test;  
        delete_key_file  
}

 
main
(){  
  
if
 [ -f 
$LOCK_FILE
 ];
then
  
    
echo
 
"鎖文件已存在，請稍後執行，退出..."
 && 
exit
 10  
  
fi
  DEPLOY_METHOD=
$1
  
  ROLLBACK_VER=
$2
  
case
 
$DEPLOY_METHOD
 
in
  
    deploy)  
	touch_key_file  
	code_get;  
	code_build;  
	code_config;  
	code_tar;  
	code_scp;  
	cluster_node_remove;
	pre_deploy;  
	pre_test;  
	group1_deploy;  
	group1_test;  
	config_diff;  
	code_test;  
	delete_key_file  
	;;
    rollback)  
	 
	rollback 
$ROLLBACK_VER
;
	 
	;;
    emergency)
	emergency;  
	;;
    *)  
	usage;  
    
esac
	
}

main 
$1
 
$2
 /<code>

1.1.3:在git目錄更新代碼：

<code>
[www@saltmaster
 
~]$
 
cd
 
web-demo/
 
[www@saltmaster
 
~/web-demo]$
 
cat
 
index.html
   
1111111111111111
[www@saltmaster
 
~/web-demo]$
 
echo
 
"2222222222222222"
 
>>
 
index.html
   
[www@saltmaster
 
~/web-demo]$
 
git
 
add
 
index.html
   
[www@saltmaster
 
~/web-demo]$
 
git
 
commit
 
-m
 
"2222"
  
[master
 
ed7227d]
 
2222
  
1
 
file
 
changed,
 
1
 
insertion(+)
[www@saltmaster
 
~/web-demo]$
 
git
 
push
 
-u
 
origin
 
master
  
Counting objects:
 
5
,
 
done.
Delta
 
compression
 
using
 
up
 
to
 
2
 
threads.
Compressing objects:
 
100
 
%
 
(2/2),
 
done.
Writing objects:
 
100
%
 
(3/3),
 
277
 
bytes
 
|
 
0
 
bytes/s,
 
done.
Total
 
3
 
(delta
 
0
),
 
reused
 
0
 
(delta
 
0
)
To
 
[email protected]:web/web-demo.git
    
9de3b67..ed7227d
  
master
 
->
 
master
Branch
 
master
 
set
 
up
 
to
 
track
 
remote
 
branch
 
master
 
from
 
origin.
/<code>

1.1.4：當前web頁面：

1.2：在jenkins執行構建，默認傳遞的是構建的參數：

1.2.1：驗證當前的web頁面：

1.3：測試緊急回滾到上一版本，在jenkins配置後執行構建：

1.3.1：jenkins執行過程：

1.3.2：訪問web驗證緊急回滾否成功：

1.4：回滾到任意版本：

1.4.1:在哪看回滾到的版本?:

$ ll /deploy/tmp/ #部署服務器，web服務器在nginx定義的目錄查看版本

<code>
drwxrwxr-x
 
2
  
www
 
www
  
102
 
Aug
 
18
 
00
:55
 
web-demo_b3881163_2016-08-17-15-21-31
-rw-rw-r--
 
1
 
www
 
www
 
1852
 
Aug
 
18
 
00
:55
 
web-demo_b3881163_2016-08-17-15-21-31.tar.gz
drwxrwxr-x
 
2
 
www
 
www
  
102
 
Aug
 
18
  
00
:55
 
web-demo_b3881163_2016-08-17-19-39-14
-rw-rw-r--
 
1
 
www
 
www
 
1857
 
Aug
 
18
 
00
:55
 
web-demo_b3881163_2016-08-17-19-39-14.tar.gz
drwxrwxr-x
 
2
 
www
 
www
  
102
 
Aug
 
18
 
00
:55
 
web-demo_e453bdb7_2016-08-17-23-47-59
-rw-rw-r--
 
1
  
www
 
www
 
1859
 
Aug
 
18
 
00
:55
 
web-demo_e453bdb7_2016-08-17-23-47-59.tar.gz
drwxrwxr-x
 
2
 
www
 
www
  
102
 
Aug
 
18
 
00
:55
 
web-demo_e453bdb7_2016-08-17-23-51-04
-rw-rw-r--
 
1
 
www
 
www
 
1862
 
Aug
 
18
  
00
:55
 
web-demo_e453bdb7_2016-08-17-23-51-04.tar.gz
drwxrwxr-x
 
2
 
www
 
www
  
102
 
Aug
 
18
 
00
:55
 
web-demo_e453bdb7_2016-08-17-23-51-20
-rw-rw-r--
 
1
 
www
 
www
 
1859
 
Aug
 
18
 
00
:55
 
web-demo_e453bdb7_2016-08-17-23-51-20.tar.gz
drwxrwxr-x
 
2
  
www
 
www
  
102
 
Aug
 
18
 
00
:55
 
web-demo_e453bdb7_2016-08-17-23-51-23
-rw-rw-r--
 
1
 
www
 
www
 
1861
 
Aug
 
18
 
00
:55
 
web-demo_e453bdb7_2016-08-17-23-51-23.tar.gz
drwxrwxr-x
 
2
 
www
 
www
  
102
 
Aug
 
18
  
00
:55
 
web-demo_e6e7ee6f_2016-08-18-00-10-11
-rw-rw-r--
 
1
 
www
 
www
 
1842
 
Aug
 
18
 
00
:55
 
web-demo_e6e7ee6f_2016-08-18-00-10-11.tar.gz
drwxrwxr-x
 
2
 
www
 
www
  
102
 
Aug
 
18
 
00
:55
 
web-demo_ed7227de_2016-08-18-00-35-14
  
-rw-rw-r--
 
1
  
www
 
www
 
1839
 
Aug
 
18
 
00
:55
 
web-demo_ed7227de_2016-08-18-00-35-14.tar.gz
/<code>

1.4.2:回滾任意版本就將版本的參數傳遞給腳本，腳本會將web-demo的鏈接重新指向傳遞的版本(參數)，比如我要回滾到web-demo_e453bdb7_2016-08-17-23-51-20這個版本，則jenkins的配置為：

1.4.3：在jenkins執行回滾：

1.4.4:執行回滾的信息:

1.4.5:訪問web界面測試任意版本回滾是否成功：