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A Puppet Story

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Information about A Puppet Story
Technology

Published on November 22, 2008

Author: littleidea

Source: slideshare.net

Description

Slides from RubyConf 08, about 50% slides recycled from velocity/UTOSC, some inside jokes plus code for simple Puppet type and provider
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A Puppet Story... Systems Building Systems

This is my second RubyConf

This is my second RubyConf

This is my second RubyConf Use your powers for Awesome!

This is my second RubyConf Use your powers for Awesome!

This is my second RubyConf Use your powers for Awesome!

Developer Sysadmin

Three people Developer Sysadmin

Forgive him, for he believes that the customs of his tribe are the laws of nature! --George Bernard Shaw

sudo chown -R us:us /your/base

What is Puppet? Language Parser Client/Server Resource Abstraction A few other things All Ruby... : )

Love You must love your tools, if you don't, it will show in the work you do... --Dave Thomas

Can you feel the Spirit?

What is a sysadmin?

Not Exactly Modern

Luke Kanies

One Goal: Revolutionize System Administration

Say What?!??

Don’t look at me... I wasn’t the last one to touch it...

Wisdom of the Clouds

You can either easily manage complex systems at scale...

You can either easily manage complex systems at scale... Or you can’t...

Everything the Same Everything Distinct

Luke Kanies Recovering Sysadmin

SSH Cfengine ?

Bad product, hungry Luke

SSH Cfengine ?

SSH Cfengine ?

Who’s using Puppet? “...at Google we're currently using Puppet to manage close to 6,000 Macs, and it's likely our deployment will expand dramatically beyond that....”

Competitive Advantage

People are finally figuring out puppet and how it gets you to the pub by 4pm. Note that I've been at this pub since 2pm. -- Jorge Castro

Enter Puppet... Configuration Is Declarative Code Semantics Matter Reproducible Shareable Maintainable Extensible

An Analogy Programming SysAdmin Low-level, commands Assembly non-portable and files Abstract, C* Resources portable * For small values of abstract

Portablity 23 package types Users in NetInfo, useradd, pw Support for Debian, Ubuntu, Red Hat, Solaris, OS X, Gentoo, SuSE, FreeBSD, and more

Network Effects

Portable Resources This:

Portable Resources This: Becomes:

Portable Resources This: Becomes:

Portable Resources This: Becomes:

Portable Resources This: Becomes:

Portable Resources This: Becomes:

Debian

Debian Red Hat

Debian Red Hat

Package

Configuration should Package get modified after package installation Configuration

Configuration should Package get modified after package installation Service should restart Configuration when configuration changes Service

Perspectives

Idempotence...

Idempotence...

Idempotence... Describes the property of operations in mathematics and computer science which yield the same result after the operations is applied multiple times.

?????

Community Open Source (Beer & Speech)

What’s on the Horizon? Currents, Drift and Directions

Questions? andrew@reductivelabs twitter.com/littleidea

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