自动化之持续集成3 jenkins获取GIT代码，编译生成docker

jenkin要想获取gitlab更新的代码，也和ide一样需要获取ssh授权 生成sskkey给gitlab

原理同上，在jenkins所在服务器上生成ssh-key，一般这个错误就是说没有sshkey

1.在jenkins服务器上使用root生成ssh-key

Last login: Wed Jul 11 18:49:48 2018 from 172.32.201.160
ubuntu@TestAPIServer:~$ sudo -i
[sudo] password for ubuntu: 
root@TestAPIServer:~# ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa): 
Created directory '/root/.ssh'.
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:smPAWA/41nZw2nP0dSHFbRX4Lezj/PU31rhzsFhAVKo root@TestAPIServer
The key's randomart image is:
+---[RSA 2048]----+
|           ..o=+=|
|   .        .o..+|
|  . o . . ....o.o|
|   = + = . o..oo.|
|  . = * S E .o . |
|   . o + o    =  |
|      +      = =o|
|     . .    . *o*|
|              o==|
+----[SHA256]-----+
root@TestAPIServer:~# 

2.公钥写入gitlab

3.在jenkins添加私钥.

4.返回源码管理 选择刚才添加的密钥，完工！