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<a class="post-title-link" href="/2018/07/09/Shadowsocks_Privoxy_Squid_GFWlist/" itemprop="url">Shadowsocks+Privoxy+Squid+GFWlist</a></h1>
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<p>不要被标题这一串软件名字迷惑，这篇博客讲的内容无非就是下面这个图”(￣y▽,￣)╭ “</p>
<img src="http://poqwdbkil.bkt.clouddn.com/static/images/Shadowsocks_Privoxy_Squid_GFWlist/Wall.jpg">
<p>最终为了解决内网服务器通过http方式代理访问不同的网站，比如，docker存在国内镜像，那么就直接代理访问，k8s的pause容器须要访问gcr.io，那么就会通过GFWlist再squid规则里指向上级代理privoxy，再通过shadowsocks访问出去。</p>
<p>下面直接看各个软件的配置方法</p>
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<a class="post-title-link" href="/2018/07/09/Terraform_vSphere/" itemprop="url">Infrastructure as code - 尝试Terraform管理vSphere</a></h1>
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<p>使用AWS几乎少不了用到CloudFormation，可能更加知名的是可以用在近百个不同平台上的Terraform，这类软件是Infrastructure as code很好的实践。</p>
<p>出于日常管理vSphere的须要，尝试了使用Terraform管理vSphere。（非常巧合的是，接下来几天，也就是上周五参加的AWS summit的DevOps主题会场里，有位大牛介绍一个github项目<a href="https://github.com/mixslice/trident" target="_blank" rel="external">trident</a>，就用的Terraform为核心管理AWS上运行的K8S（目前不是EKS））</p>
<p>顺便提一下，之前用PowerCLI写过一个<a href="https://edxi.github.io/2017/12/21/powercli_vmdeploy/">批量创建虚拟机的脚本</a>，了解terraform后多少觉得自己有点重复造轮子的意思了，但实际用下来terraform在大批量写JSON也着实非常费力，某种程度还不如csv表格方便，所以个人认为Infrastructure as code的主要目标还是为了通过模板化的方式部署Infrastructure并保持幂等性。可能在terraform的import功能更强大后，可以实现直接把现有系统导入成JSON吧（目前只是导入state）。</p>
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<a class="post-title-link" href="/2018/07/09/DockerMachine_vSphere/" itemprop="url">docker-machine使用vSphere驱动</a></h1>
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<p>在使用docker-machine的时候，尝试了vSphere driver。<br>Docker的vSphere Driver官方文档<sup id="fnref:1"><a href="#fn:1" rel="footnote"><span class="hint--top-right hint--error hint--large" aria-label="[Docker machine driver VMware vSphere](https://docs.docker.com/machine/drivers/vsphere/)
">[1]</span></a></sup>比较晦涩，只是列出了支持的参数及其对应的环境变量。<br>这里参照VMware BLOGS的一篇博客<sup id="fnref:2"><a href="#fn:2" rel="footnote"><span class="hint--top-right hint--error hint--large" aria-label="[How to use docker-machine in conjunction with the vSphere driver](https://blogs.vmware.com/cloudnative/2016/02/17/how-to-use-docker-machine-in-conjunction-with-vsphere-driver/)
">[2]</span></a></sup>作为例子测试通过。</p>
<p>顺便这里提一下，VMware也有自己的容器解决方案，叫VIC，每个容器都创建一个VM，通过VCH来模拟容器主机，Admiral来管理，当然还集成了热门的Harbor作为registry，PhotonOS作为dockerOS。可以到官网上尝试下Hands-on Lab<sup id="fnref:3"><a href="#fn:3" rel="footnote"><span class="hint--top-right hint--error hint--large" aria-label="[vSphere Integrated Containers](https://www.vmware.com/products/vsphere/integrated-containers.html)">[3]</span></a></sup>。</p>
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<p>以往为了让内网服务器使用Yum，自建了Yum服务器，大致就是一个apache指向自建的repository目录，然后使用yum-util里的reposync更新rpm（当然也可以手动下载后放到repo目录），再使用createrepo来创建metadata。虽说可以实现，但是也存在不少不便：</p>
<ul>
<li>repo目录日趋庞大</li>
<li>EPEL这样的repo没法下载</li>
<li>同时维护centos7和centos6这样多个版本比较麻烦</li>
<li>只能crontab定期更新，repo内容可能会滞后</li>
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<p>最近使Sonatype Nexus的时候发现可以支持Yum Repository，官方博客也早在去年八月就发布了这个功能<sup id="fnref:1"><a href="#fn:1" rel="footnote"><span class="hint--top-right hint--error hint--large" aria-label="[Nexus Repository Manager 3.5: Yum Proxy Support Now Available](https://blog.sonatype.com/nexus-repository-manager-3.5)
">[1]</span></a></sup>，通过这个新功能，使得自建的repo可以解决这些困难着实解决了上面这些困难，这里简单介绍下Nexus服务器自建Yum Repository代理的过程。</p>
<p>Nexus的安装和配置过程都比较简单，当然Nexus的功能远不限于此，它提供了当下最流行的库支持（Maven/Java, npm, NuGet, RubyGems, Docker, P2, OBR, APT, YUM 等等），也支持cluster，还提供rest API和基于OSGi的bundle开发。我这里只是让它小露一手而已~<br>附《绿巨人击倒奚有米》的动图，嘿嘿(o゜▽゜)o☆</p>