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http://jedi.be/blogPatrick Debois
OPSDEV
When I was a young developer
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I loved to develop
simple applications
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I kept my own little server going
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Most of the time , the results were fine
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Sometimes the applications would crash
and I didn’t really kno...
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But overall my friends seemed to like my work
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I learned from the ...
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Read about
software
architecture
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I even got my Scrum certification
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Still I was experiencing the occasional problems
I blamed the
operations guys
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I decided to leave the cowboys
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And make plans of my own
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I really wanted to focus on the customer
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I had the developers use
the coolest programming languages
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Use the best frameworks available
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We had the
DBA’s take
care of the
database
s...
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Expl...
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Up until now we had
done only some
manual checks.
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So we moved to
unit tests
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Even Behavior Driven Development
We were still
experiencing problems
with our application
servers.
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We brought in bigger storage boxes
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gave the
sysadmins the
biggest servers
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created virtual
machines to
create different
enviro...
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Used the cloud to solve some scalability problems
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Still the customer wasn’t happy
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And the IT department was firefighting all the time
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Then there was a complete power failure
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Nobody had checked the power installation
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Leaving the application in an unknown state
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Resulting again in a major outage
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Our small fixes would not help anymore
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All backups were corrupt because we could only backup
prope...
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Luckily we had a cold Standby Backup
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Time to
take a
step back
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We worked hard on
minimizing technical debt in our code
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Put monitoring in
our development
and test
environment
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Reused it in the production e...
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Implemented scaling from the ground up
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We made deployment reproducible
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Improved the way to collect metrics
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To offload some of the appservers
we installed a caching system
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And loadbalancers solved the webserver scaling problem
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Content Delivery Networks
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Made our application security proof
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Comply to
regulations
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Integrated backups on the application level
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Solved the multi-user problem problem
For some know
states
We would automatically
reset the system
Self healing on our database
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So you want to be a great agile chef?
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Software Infrastructure
Presentation
Operations
Testing
P...
It’s not about the
software
It’s not about the
hardware
I like my
servers, software
steak well done
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IT Tooling is changing
Virtualization
• kvm
• xen
• solaris zones
• vmware
• virtualbox
• ...
Cloud showed
us how to scale
Abstraction API
http://www.jclouds.org/
Adrian Cole
@jclouds
http://libvirt.org/
Platform as a Service
Hudson as Service
http://www.cloudbees.com/
But who will
manage
your IAAS
platform?
First steps of
Automation
https://fedorahosted.org/cobbler/
http://spacewalk.redhat.com/
http://fai-project.org/
Cloning
Virtual Sprawl
Configuration
Management
Chef
Pallet
http://www.cfengine.org/
http://www.puppetlabs.com
http://www.opscode.com/chef
https:/...
# tomcat.pp
class tomcat {
! package {
! ! "java-1.6.0-sun-compat":
! ! ! ensure => "installed";
! ! "tomcat6":
! ! ! requ...
Model Driven Infrastructure
https://github.com/lusis/vogeler
John E.Vincent
@lusis
Definition
of your
infrastructure
Version Control
Reusable
components
https://github.com/camptocamp
Code/Server Smells
Private!Playground
The sysadmin uses the system as his toy
playground, doesn't clean up.
• /tmp & /var/...
Sharing Recipes/Code
http://forge.puppetlabs.com/
http://cookbooks.opscode.com/
Automation
without tests is
Lindsay Holmwood
@auxesis
Feature: google.com
It should be up
And I should be able to search for things
Scenario: Searchin...
Lindsay Holmwood
@auxesis
Scenario: Checking /etc/passwd
When I ssh to "example.org" with the following credentials:
| use...
Julian Simpson
@builddoctor
apache.feature
Feature:
In order to deploy my application
As a systems administrator
I want to...
Feature: cucumber-puppet
In order to run my puppet manifest's test suite
As an admin
I want the cucumber-puppet gem instal...
Orchestration
http://controltier.com/ http://marionett-collective.org
@ripienaar@damonedwards
Vagrant
http://vagrantup.com/
Allows an easy way
to use the production recipes
in your own dev environment
Mitchell Hashim...
IAAS and PAAS blurring
Pull in both your recipes and your code
http://blog.crisp.se/henrikkniberg/2008/07/14/1216002720000.html
Agile
Infrastructure
&
Agile
Sysadmin
Comparing
Agile and ITIL
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Agile ITIL
Certifications
Process
Fundamentalism
Manifesto’s for the world
Meat Cloud Manifesto
Agile Manifesto
== Rules ==
On Infrastructure
—————–
There is one system, n...
Truck Factor
The number of people on your team
who have to be hit with a truck before
the project is in serious trouble
Th...
Backlog of items
• User Stories
• Features
• Tickets
• Incidents
• Problems
Requirements
• Login/Logout
• Print order
• CRUD order
• Security
• Capacity
• Stability
• Scalability
Functional
Non-Func...
BusinessValue
Ordered by
the value gained
Ordered by the value
protected
Increase Change Avoid Change
Proxy
Customers
Service
Manager
Understand what the
business wants
Support the team
Scrum Manager
Service Delivery
Manager
Product
Owner1
Ideally one
product owner
Product
Owner2
Product
Owner3
Development Team
Project1 Project 2 Project 3
Opera...
Outsourcing
Call Centers
Outsourced
Development
Specialist & Generalists
Rockstar Mentality
Testers UI
Designers
Frontend
Backend
Analysts
Security
Network
Storage
Sysadm...
Global Ownership
It’s the
javascript
It’s the
backend
It’s the
database
It’s the
network
It’s the
server
It’s the
storage
Sprint Review
Meeting
Change Advisory
Board
Approve Changes
Iterations & Flow
Kanban
1day sprints
Operations
Sprint
Velocity
Service
Levels
Team Approved
Estimate
Improves over time
Story
Points
Uptime 99%
Continuous Improvement
Lean Thinking
Lean ITIL
Lean
Software
Development
Value Stream Mapping
Technical waste
What’s new?
I know
all that
The map
is not
the territory
Alfred Korzybski
Systems Thinking
Optimize the whole not
just the individual parts
People make it happen
Culture & Mindset
Collaboration
Testers
Analysts
Developers
Security
Architects
UI
Designers
Network
Sysadmins
not only when things go wrong
No rock star mentality
Mine are bigger then yours
Craftsmanship
Trust
It’s about customer
value
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Interesting Books
Want to know more?
#devops on twitter & irc
http://devopsdays.org
http://devopscafe.org
http://planetdevops.net
devops goo...
The End
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