Site Launch Automation – From Days to Minutes Kristen Crawford – Sr. Lead Engineer – CenturyLink

kristencrawford78@gmail.com

www.linkedin.com/in/kristen-hauk-crawford

Agenda

1.  Introduction

2.  Pre-Puppet Environment

3.  Post-Puppet Environment

4.  Basics of our Puppet setup

5.  Site Launch Automation

6.  Questions???

2 Site Launch Automation – From Days to Minutes

Professional Intro! What have I been up to the last 15 years??

Site Launch Automation – From Days to Minutes

Personal Intro! My babies are cute

4

Pre-Puppet Environment

•  Many Applications per set of Web/Application servers

•  Very little automated processes and no config management

•  Longer time to resolve incidents and requests utilizing more people

•  Patching and maintenance SUCKED

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Post Puppet Environment •  Many Servers, Hosting only 1 Application per App/DB pair

•  Almost completely automated

•  Quicker time to resolve Incidents and Requests

•  Patching and Maintenance no longer dreaded

•  Added Perks!

6 Site Launch Automation – From Days to Minutes

Each item details information about that individual server.

Making it easy to find exactly what you need.

This automation is also good for a quick inventory. Above is a

listing of all prod master mysql databases

The script is very simple, but adds a lot of value for us.

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Perks!

Every linux server gets a puppet agent and the base class.

Add site specific middleware using Hiera to each web/app/

database server

Add site specific configs by placing them in a custom mount

point specified in the fileserver.conf

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Our Basic Puppet Setup

Basic Setup continued..

Version all the things!

Site Launch Automation – From Days to Minutes 9

Site Launch Automation – From Days to Minutes 10

Site Launch Automation – From Days to Minutes 11

Site Launch Automation

Site Launch Automation – From Days to Minutes 12

Step 1: Gather Site Info

Step 2: Provision

Step 3: Create API Key and Password

Step 4: Build & Configure

Look at those nice stats!

Site Launch Automation – From Days to Minutes 13

Before Automation

After Automation

Manual Steps 40 – 50 based on Tech Stack

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Time ~12-24 hours ~4-5 hours

Engineers Required 1 ‘Tier 2’ 3 ‘Tier 4’

1 ‘Tier 2’

Consistency No – varies between engineers

Yes – Process the same every time

Whoop Whoooop!

Questions?? Comments?? High Fives??

14 Hit ‘em with the Hein!