jenkins结合远程仓库
既然是持续集成，对代码进行构建，我们得获取代码仓库的内容，这里选择我们搭建的gitlab服务器
开发工程师的机器
1. 在window上生成ssh-key
$ ssh-keygen
2.添加到代码仓库github/gitlab都玩一玩，公司用这俩居多
gitlab上添加该机器的ssh-key允许上传代码，咱这里就不区分多个账户，多个权限了，都先基于root账户，实现部署流程，理解jenkins是怎么工作的
gitlab新建项目
开发提交代码
1.准备好代码
这里利用python程序，flask代码做实验
# coding:utf-8
from flask import Flask
app = Flask(__name__)
@app.route('/')
def index():
return '<h1>Hello 超哥带你学linux www.yuchaoit.cn</h1>'
if __name__ == '__main__':
app.run()
2.克隆gitlab代码仓库到本地
1.先设置git身份
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop
$ git config --global user.name "laoliu"
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop
$ git config --global user.email "[email protected]"
2.克隆代码
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop
$ git clone [email protected]:root/my_flask.git
Cloning into 'my_flask'...
The authenticity of host '10.0.0.99 (10.0.0.99)' can't be established.
ED25519 key fingerprint is SHA256:fsFB+VUXvu9atyktELhNhs0zzRdli9XbqehOn2We9yo.
This key is not known by any other names
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '10.0.0.99' (ED25519) to the list of known hosts.
warning: You appear to have cloned an empty repository.
3.开发代码，进行提交，推送到代码仓库
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop/my_flask (master)
$ ls
my_app.py
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop/my_flask (master)
$ cat my_app.py
# coding:utf-8
from flask import Flask
app = Flask(__name__)
@app.route('/')
def index():
return '<h1>Hello 超哥带你学linux www.yuchaoit.cn</h1>'
if __name__ == '__main__':
app.run(host="0.0.0.0")
4.版本提交，推送gitlab
$ git add .
$ git commit -m 'my_app.py 首次开发'
[master (root-commit) 3e973ff] my_app.py 首次开发
1 file changed, 11 insertions(+)
create mode 100644 my_app.py
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop/my_flask (master)
$ git push -u origin master
Enumerating objects: 3, done.
Counting objects: 100% (3/3), done.
Delta compression using up to 20 threads
Compressing objects: 100% (2/2), done.
Writing objects: 100% (3/3), 402 bytes | 402.00 KiB/s, done.
Total 3 (delta 0), reused 0 (delta 0), pack-reused 0
To 10.0.0.99:root/my_flask.git
* [new branch] master -> master
branch 'master' set up to track 'origin/master'.
检查代gitlab码仓库
配置jenkins的job获取代码仓库
给jenkins服务器安装git
[root@jenkins-100 ~]#yum install git -y
添加认证,用ssh-key的方式
添加jenkins服务器的ssh-key到gitlab服务器
[root@jenkins-100 ~]#ssh-keygen -t rsa -C "www.yuchaoit.cn"
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
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:WRnTFIqkwh7IXB2gWyFkrkE1BLwx9bYHtD9YRYFdbgk www.yuchaoit.cn
The key's randomart image is:
+---[RSA 2048]----+
|.+O=++..=E=+o. |
|.O *+.o+.oo=o |
|. X ==... ++ |
| + +.o* o. |
|. . .o +S |
| . . |
| |
| |
| |
+----[SHA256]-----+
[root@jenkins-100 ~]#cat ~/.ssh/id_rsa.pub
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDA9C597NnGpdyRYkDtF4zQmTa+bRxXqll3XX7LJDjLfsgfUZbfolj0KwkmdIvpQjecDrKff33bOIhGQQ64okmQlKPyp+iISO6sRCH1p2VhZNFEWOeBRtzA+TFrLX4WeVFJFg2IuOE1cFuKGESBC7pqZZf4H12QaNCunLwWLTrqoUGvfW0+rXOBGaXPW1yNpTMevnPkN81ZKiqhONtUE+suYwwYi8zgi54CXZZBNEcyXhZH2gLLser/hy+16vqYZ65enGBcfPYBNSHt35DcNs/Qs6nLpT/UBxblQwFI5ktq7C6cm6igYVAuVpomDNdD+LCjvRhijQBCbxlvHwXcO9Tl www.yuchaoit.cn
添加jenkins的认证凭证，使用自己的私钥即可
或者使用账号密码添加认证（gitlab账号密码）
至此，jenkins就可以下载gitlab的代码了。
试试看能下载什么，点击构建
开发脚本实现项目部署
注意是，jenkins > 目标机器(web-7测试)
# 注意免密登录了
ssh-copy-id [email protected]
部署代码,可以先成脚本，然后远程去调用
#!/bin/bash
# author: www.yuchaoit.cn
# 发送代码到目标机器
cd /var/lib/jenkins/workspace/my_flask && scp my_app.py [email protected]:/opt/
# 给远程机器部署python3环境，代码运行环境
ssh [email protected] "yum install python3 python3-devel python3-pip"
ssh [email protected] "pip3 install flask -i https://pypi.tuna.tsinghua.edu.cn/simple/"
# 远程启动进程，后台运行
# 重启进程
ssh [email protected] "pkill python3"
ssh [email protected] "nohup /usr/bin/python3 /opt/my_app.py >/dev/null 2>&1 &"
测试访问web7的flask项目
完成项目更新（鼠标一点，自动更新，操心啥啊）
让开发去写代码就好了
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop/my_flask (master)
$ vim my_app.py
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop/my_flask (master)
$
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop/my_flask (master)
$ git add .
warning: in the working copy of 'my_app.py', LF will be replaced by CRLF the next time Git touches it
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop/my_flask (master)
$ git commit -m '更新代码'
[master 5ff3d74] 更新代码
1 file changed, 1 insertion(+), 1 deletion(-)
推送代码
Sylar@DESKTOP-G6C412R MINGW64 ~/Desktop/my_flask (master)
$ git push -u origin master
Enumerating objects: 5, done.
Counting objects: 100% (5/5), done.
Delta compression using up to 20 threads
Compressing objects: 100% (2/2), done.
Writing objects: 100% (3/3), 301 bytes | 301.00 KiB/s, done.
Total 3 (delta 1), reused 0 (delta 0), pack-reused 0
To 10.0.0.99:root/my_flask.git
3604269..5ff3d74 master -> master
branch 'master' set up to track 'origin/master'.
鼠标一点，下班
