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href="/categories/%E5%88%86%E4%BA%AB/">分享</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/python/">python</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/go/">go</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/devops/">devops</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/linux/">linux</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E8%BF%90%E7%BB%B4/">运维</a></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-comments"></i><a href="/post/50c5b9ad/#post-comment"><span class="waline-comment-count" id="/post/50c5b9ad/"></span></a><span class="article-meta-label"> 条评论</span></span></div><div class="content">缘起
这些年记忆力越来越差，趁我还没老，趁我还在从事运维开发的工作，在这里记录下运维以及运维开发过程中经验，分享下运维以及运维开发的技术实战，分享尽量以项目实战为主！
运维管理平台项目
CMDB
WEBSSH
任务管理
发布部署
操作日志
权限管理
用户管理
模拟K8s管理系统
docker管理
容器调度
容器编排
模拟salt/Ansible
SSH形式、短连接模式、websocket长连接模式
...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/post/679a57d2/" title="ITIL和DevOps"> <img class="post_bg" src= "data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=" data-lazy-src="http://img.jackless.cf/202111212149494.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="ITIL和DevOps"></a></div><div class="recent-post-info"><a class="article-title" href="/post/679a57d2/" title="ITIL和DevOps">ITIL和DevOps</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2022-02-19T00:13:52.000Z" title="发表于 2022-02-19 08:13:52">2022-02-19</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E5%88%86%E4%BA%AB/">分享</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/%E8%BF%90%E7%BB%B4/">运维</a></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-comments"></i><a href="/post/679a57d2/#post-comment"><span class="waline-comment-count" id="/post/679a57d2/"></span></a><span class="article-meta-label"> 条评论</span></span></div><div class="content">ITILITIL即IT基础架构库(Information Technology Infrastructure Library, ITIL，信息技术基础架构库)由英国政府部门CCTA(Central Computing and Telecommunications Agency)在20世纪80年代末制订，现由英国商务部OGC(Office of Government Commerce)负责管理，主要适用于IT服务管理（ITSM）。ITIL为企业的IT服务管理实践提供了一个客观、严谨、可量化的标准和规范。
1、事件管理（Incident Management）
事故管理负责记录、归类和安排专家处理事故并监督整个处理过程直至事故得到解决和终止。事故管理的目的是在尽可能最小地影响客户和用户业务的情况下使IT系统恢复到服务级别协议所定义的服务级别。
2、问题管理（Problem Management）
问题管理是指通过调查和分析IT基础架构的薄弱环节、查明事故产生的潜在原因，并制定解决事故的方案和防止事故再次发生的措施，将由于问题和事故对业务产生的负面影响减小到最低的服务管理流程。与事故管理强调 ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/post/c3df8a2e/" title="Web后端开发知识点"> <img class="post_bg" src= "data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=" data-lazy-src="http://img.jackless.cf/202111212149493.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="Web后端开发知识点"></a></div><div class="recent-post-info"><a class="article-title" href="/post/c3df8a2e/" title="Web后端开发知识点">Web后端开发知识点</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2022-02-19T00:12:52.000Z" title="发表于 2022-02-19 08:12:52">2022-02-19</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E6%8A%80%E6%9C%AF/">技术</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E5%88%86%E4%BA%AB/">分享</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/python/">python</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/go/">go</a></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-comments"></i><a href="/post/c3df8a2e/#post-comment"><span class="waline-comment-count" id="/post/c3df8a2e/"></span></a><span class="article-meta-label"> 条评论</span></span></div><div class="content">做Web后端开发需要学习什么
学习一门面向对象的编程语言（java、python、go、nodejs、c#、php）
学习一个web框架（python：Flask/Django/Sanic go: Gin/Beego/GoFrame nodejs: egg.js koa express php: Larvel/ThinkPhp java: Spring全家桶）
学习关系型数据库(MySql/MariaDB/Postgresql)相关知识
学习缓存（Redis/Memcache）相关知识
学习消息队列（kafka/RabbitMQ）相关知识
Linux/网络/TCP IP协议…
Web后端框架知识点Request后端与前端交互的来源，Request需要掌握的知识点有
如何获取前端请求过来的参数，GET、POST请求参数如何获取
如何获取JSON格式的请求体
如何获取请求上传过来的文件，并保存这些文件
如何获取动态路由的参数
如何校验请求过来的参数是否符合要求
Response得益于http协议的定义，有请求就必须有响应，Response需要掌握的知识点有
如何响应文本类型数据
如 ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/post/1c8b7bb6/" title="模拟 saltstack/ansible系列四（基于长连接实现salt主要功能）"> <img class="post_bg" src= "data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=" data-lazy-src="http://img.jackless.cf/202111212113587.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="模拟 saltstack/ansible系列四（基于长连接实现salt主要功能）"></a></div><div class="recent-post-info"><a class="article-title" href="/post/1c8b7bb6/" title="模拟 saltstack/ansible系列四（基于长连接实现salt主要功能）">模拟 saltstack/ansible系列四（基于长连接实现salt主要功能）</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2021-11-28T08:29:51.000Z" title="发表于 2021-11-28 16:29:51">2021-11-28</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E6%8A%80%E6%9C%AF/">技术</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E5%88%86%E4%BA%AB/">分享</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/python/">python</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/devops/">devops</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/linux/">linux</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E8%BF%90%E7%BB%B4/">运维</a></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-comments"></i><a href="/post/1c8b7bb6/#post-comment"><span class="waline-comment-count" id="/post/1c8b7bb6/"></span></a><span class="article-meta-label"> 条评论</span></span></div><div class="content">前言前面讲了基于短连接的saltstack主要功能实现，今天我来讲讲基于长连接方式的saltstack实现。
长连接长连接和短连接的区别HTTP长连接、短连接究竟是什么？
使用的长连接实现模块websocket-clientgevent-websocket
这里没有使用websockets这个库来做长连接的客户端和服务端，主要考虑的是上面2个库来做客户端和服务端的代码更容易理解
由于以上2个模块都属于第三方库，所以需要使用如下命令先行安装
1pip install websocket-client gevent-websocket
具体代码实现长连接服务端1234567891011121314151617181920212223from geventwebsocket import WebSocketServer, WebSocketApplication, Resourcefrom collections import OrderedDictclass EchoApplication(WebSocketApplication): def on_open(self): ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/post/3de380ec/" title="模拟 saltstack/ansible 系列三（基于短连接实现saltstack主要功能）"> <img class="post_bg" src= "data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=" data-lazy-src="http://img.jackless.cf/202111212149497.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="模拟 saltstack/ansible 系列三（基于短连接实现saltstack主要功能）"></a></div><div class="recent-post-info"><a class="article-title" href="/post/3de380ec/" title="模拟 saltstack/ansible 系列三（基于短连接实现saltstack主要功能）">模拟 saltstack/ansible 系列三（基于短连接实现saltstack主要功能）</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2021-11-24T13:44:31.000Z" title="发表于 2021-11-24 21:44:31">2021-11-24</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E6%8A%80%E6%9C%AF/">技术</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E5%88%86%E4%BA%AB/">分享</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/python/">python</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/devops/">devops</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/linux/">linux</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E8%BF%90%E7%BB%B4/">运维</a></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-comments"></i><a href="/post/3de380ec/#post-comment"><span class="waline-comment-count" id="/post/3de380ec/"></span></a><span class="article-meta-label"> 条评论</span></span></div><div class="content">前言前面讲了基于SSH的ansible实现，今天我来讲讲基于短连接方式的saltstack实现。
为什么要讲基于短连接的saltstack实现呢？
前面不是说saltstack是基于长连接的吗？原因就在于当你掌握了短连接的实现后，长连接就水到渠成了，你也更能理解到短连接和长连接实现的一个区别
Agent设计不管是短连接实现还是长连接实现，都需要在远程主机起一个服务来承担Agent角色，就如同saltstack的salt-minion 一样。
下面我们就基于flask来简单实现一个短连接形式的agent（考虑性能的话可以使用sanic,这里用flask的原因是本人团队内部培训时，我主要培训的是flask）
由于flask属于第三方库，所以需要使用如下命令先行安装
1pip install flask
如果想做成和salt-minion二进制模式启动的话，我们还需要安装一个额外的模块pyinstaller
1pip install pyinstaller
以下是flask作为一个服务端基本的代码: app.py
12345678910from flask import Flaska ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/post/b95044a6/" title="模拟 saltstack/ansible 系列二（实现ansible主要功能）"> <img class="post_bg" src= "data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=" data-lazy-src="http://img.jackless.cf/202111212113587.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="模拟 saltstack/ansible 系列二（实现ansible主要功能）"></a></div><div class="recent-post-info"><a class="article-title" href="/post/b95044a6/" title="模拟 saltstack/ansible 系列二（实现ansible主要功能）">模拟 saltstack/ansible 系列二（实现ansible主要功能）</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2021-11-23T11:43:51.000Z" title="发表于 2021-11-23 19:43:51">2021-11-23</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E6%8A%80%E6%9C%AF/">技术</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E5%88%86%E4%BA%AB/">分享</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/python/">python</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/devops/">devops</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/linux/">linux</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E8%BF%90%E7%BB%B4/">运维</a></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-comments"></i><a href="/post/b95044a6/#post-comment"><span class="waline-comment-count" id="/post/b95044a6/"></span></a><span class="article-meta-label"> 条评论</span></span></div><div class="content">前言本次主要分享是如何基于Python模拟实现ansible的主要功能
ansible功能分析与代码实现连接远程主机ansible连接远程主机是通过SSH实现的，因此我们可以通过Python的SSH模块来实现连接远程主机。
Python中SSH模块主要是三方的paramiko 模块，这个模块也是ansible内部实现SSH所用的模块。
由于paramiko属于第三方库，所以需要使用如下命令先行安装
1pip install paramiko
下面是使用paramiko进行SSH连接和SFTP连接的相关代码
获取一个SSH连接
123456789101112131415def get_ssh_conn(hostname, port, username, password): try: # 实例化SSHClient ssh_client = paramiko.SSHClient() # 当远程服务器没有本地主机的密钥时自动添加到本地，这样不用在建立连接的时候输入yes或no进行确认 ssh_client.set_missi ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/post/e4dbd1fc/" title="模拟saltstack/ansible系列一（序言）"> <img class="post_bg" src= "data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=" data-lazy-src="http://img.jackless.cf/202111212149493.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="模拟saltstack/ansible系列一（序言）"></a></div><div class="recent-post-info"><a class="article-title" href="/post/e4dbd1fc/" title="模拟saltstack/ansible系列一（序言）">模拟saltstack/ansible系列一（序言）</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2021-11-22T13:12:52.000Z" title="发表于 2021-11-22 21:12:52">2021-11-22</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E6%8A%80%E6%9C%AF/">技术</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E5%88%86%E4%BA%AB/">分享</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/python/">python</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/devops/">devops</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/linux/">linux</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E8%BF%90%E7%BB%B4/">运维</a></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-comments"></i><a href="/post/e4dbd1fc/#post-comment"><span class="waline-comment-count" id="/post/e4dbd1fc/"></span></a><span class="article-meta-label"> 条评论</span></span></div><div class="content">序言项目介绍
做过运维的同学应该都知道，saltstack 和ansible 都是运维常用的自动化工具，可以用来做批量系统配置、批量程序部署、批量运行命令等功能
本教程将分析saltstack和ansible的核心功能实现，然后自己用Python 实现一个类似saltstack和ansible的项目
saltstack、ansible原理
ansible
无Agent架构，基于SSH
ansible playbook可以按任务对批量主机编排
Python语言开发
saltstack
Agent架构，基于长连接
可以通过state文件来对批量主机编排
Python语言开发
自己如何开发一个实现ansible和saltstack基本功能的程序？具体实现功能
主机连接模式
SSH连接模式
短连接模式
websocket长连接模式
Ad-hoc
ping功能
执行命令功能
copy文件功能
fetch文件功能
模拟playbook、state文 ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/post/510972a/" title="M1 MAC安装ubuntu系统的另一个选择-Multipass"> <img class="post_bg" src= "data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=" data-lazy-src="http://img.jackless.cf/202111212149497.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="M1 MAC安装ubuntu系统的另一个选择-Multipass"></a></div><div class="recent-post-info"><a class="article-title" href="/post/510972a/" title="M1 MAC安装ubuntu系统的另一个选择-Multipass">M1 MAC安装ubuntu系统的另一个选择-Multipass</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2021-11-21T07:00:01.000Z" title="发表于 2021-11-21 15:00:01">2021-11-21</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E5%88%86%E4%BA%AB/">分享</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/linux/">linux</a></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-comments"></i><a href="/post/510972a/#post-comment"><span class="waline-comment-count" id="/post/510972a/"></span></a><span class="article-meta-label"> 条评论</span></span></div><div class="content">缘起
今年Apple发布了新款搭载M1 Pro和M1 Max芯片的Macbook Pro，看着那屏幕甚是喜欢，性能也是爆炸。由于自己用了快2年的豆子峡谷黑苹果，貌似是CPU硅脂没了，温度动不动100℃，导致系统自动死机或重启，于是果断换成了丐版标配的M1 Pro Macbook。别说，新版Mac真的香!
由于M1芯片基于ARM，所以一些软件或虚拟机都得搞成ARM的，试过Parallels Desktop,搞起来不是很方便，巧合的突然想起以前下载Ubuntu server镜像时看到Multipass工具，它可以快速的初始化一个Linux系统，于是搜索了下发现Multipass工具已支持ARM运行Linux。so,开干！
Multipass官网介绍
Multipass is a lightweight VM manager for Linux, Windows and macOS. It’s designed for developers who want a fresh Ubuntu environment with a single command. It uses KVM on ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/post/4a17b156/" title="Hello World"> <img class="post_bg" src= "data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=" data-lazy-src="http://img.jackless.cf/202111212149492.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="Hello World"></a></div><div class="recent-post-info"><a class="article-title" href="/post/4a17b156/" title="Hello World">Hello World</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2021-11-18T11:26:37.000Z" title="发表于 2021-11-18 19:26:37">2021-11-18</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-comments"></i><a href="/post/4a17b156/#post-comment"><span class="waline-comment-count" id="/post/4a17b156/"></span></a><span class="article-meta-label"> 条评论</span></span></div><div class="content">Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub.
Quick StartCreate a new post1$ hexo new "My New Post221"
More info: Writing
Run server1$ hexo server
More info: Server
Generate static files1$ hexo generate
More info: Generating
Deploy to remote sites1$ hexo deploy
More info: Deployment
</div></div></div><nav id="pagination"><div class="pagination"><span class="page-number current">1</span></div></nav></div><div class="aside-content" id="aside-content"><div class="card-widget card-info"><div class="is-center"><div class="avatar-img"><img src= "data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=" data-lazy-src="http://img.jackless.cf/202111211217351.jpeg" onerror="this.onerror=null;this.src='/img/friend_404.gif'" alt="avatar"/></div><div class="author-info__name">Jackless</div><div class="author-info__description">分享技术，记录生活</div></div><div class="card-info-data"><div class="card-info-data-item is-center"><a href="/archives/"><div class="headline">文章</div><div class="length-num">9</div></a></div><div class="card-info-data-item is-center"><a href="/tags/"><div class="headline">标签</div><div class="length-num">5</div></a></div><div class="card-info-data-item is-center"><a href="/categories/"><div class="headline">分类</div><div 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