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Serverspec: The Simplest Server Testing Tool Ever
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Gosuke Miyashita
April 16, 2014
Technology
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Serverspec: The Simplest Server Testing Tool Ever
Gosuke Miyashita
April 16, 2014
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Transcript
Serverspec The Simplest Server Testing Tool Ever #ChefConf 2014 Gosuke
Miyashita
Let me introduce myself
ٶԼ ߶ี Miyashita, Gosuke twitter.com/gosukenator github.com/mizzy
Freelance software engineer
None
None
Chef in Japan
None
What is serverspec ?
None
“RSpec tests for your servers configured by Puppet, Chef or
anything else.”
None
None
None
cgroup/command/cron/ default_gateway/file/group/host/ iis_app_pool/iis_website/interface/ ipfilter/ipnat/iptables/kernel_module/ linux_kernel_parameter/lxc/ mail_alias/package/php_config/port/ process/routing_table/selinux/service/ user/windows_feature/ windows_registry_key/yum_repo/zfs
See: serverspec.org/ resource_types.html
RedHat/CentOS/SuSE Debian/Ubuntu Arch/Gentoo/Plamo AIX/Solaris/SmartOS FreeBSD/Mac OS X MS Windows
How to work ?
Run commands, simply via local/SSH/WinRM
Detect OS automatically and Run suitable command
None
None
Change local/SSH/ WinRM by including appropriate helper
OS Detection Helper #BDLFOE Helper
What is SpecInfra ?
SpecInfra is a command execution framework separated from serverspec
SpecInfra serverspec DSL by RSpec Call specinfra API API …
OS Abstraction Layer (OS Helper) Commands for Linux Commands for Debian Commands for Solaris Commands forWindows Backend Abstraction Layer (Backend Helper)
? Why I separated into serverspec and specinfra
I’ve created a very simple configuration management tool as a
proof of concept
serverspec/configspec
None
None
You can create Another type of serverspec with SpecInfra easily
But higher abstraction brings more complexity …
Why I started this project ?
I’m heavy Puppet user since 2007
My old puppet manifests are not fully modularized
I’ve decided to refactor my puppet manifests
Refactoring needs test code
But there are no testing tools meet my needs
So I made my own testing tool
Philosophy "
Simpleness
Easy to use
Support Ruby 1.8.7 (Because for supporting RHEL/CentOS)
No need other than Ruby
Even Ruby is not needed with SSH
Independent from any configuration management tools
I love the UNIX philosophy, KISS principle
Advanced Topics "
How to Customize ?
serverspec.org/advanced_tips.html github.com/serverspec/examples
Combination with other tools
Serverspec is simple and agnostic
Test Kitchen
busser-serverspec
See: kitchen.ci/docs/ getting-started/ writing-server-test
Vagrant
vagrant-serverspec
None
See: github.com/ jvoorhis/vagrant- serverspec
Caution "
None
Integration test of serverspec itself
serverspec/serverspec- integration-test
Wercker + DigitalOcean
# 1. Pull code 2. Create machines 3. Run Chef
and tests 4. Get result
None
Now only support CentOS 6 and a few serverspec test
code
So now I’m working on increasing OS and test code