Post on 03-Aug-2015
DevOps and Continuous Value Delivery
with Chocolate and LEGO
Dana Pylayeva
The 16th International Conference on Agile Software Development
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A Little Bit About Me…
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@DanaPylayevadpylayeva@gmail.com
Agile CoachScrum MasterDBA ManagerSystems ArchitectJava DeveloperConference Co-ChairSpeaker, Reviewer
…and a Bit More
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13:30 Part 1 Why DevOps and what is it? Cyclical value delivery (with Scrum) . Chocolate, LEGO, Scrum simulation game.
Sprint 1: What is the problem with cyclical value delivery?
Sprint 2: Move security to the right! 15:00 Break 15:30 Part 2:
Chocolate, LEGO, Scrum simulation game: Sprint 3: DevOps transformation Sprint 4: From Scrum to Continuous Delivery.
Fishbowl retrospective
About This Workshop
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It Will Get Noisy – Remember the Sign!
http://commons.wikimedia.org/wiki/File:Katy_Perry_with_arm_raised,_by_medigirol.jpg
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DevOps – Popularity On The Rise
USAFinland
Google Trends, Search Term “DevOps”
https://www.google.com/trends/explore#q=DevOps&geo=FI%2C%20US&cmpt=geo&tz=
Velocity Conference“10 + Deploys per Day”
DevOps Finland MeetupFounded January 2013
Worldwide
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Expect innovation and speed.
Judge digital service quality on their overall experience.
Expect service providers to deliver value continuously.
What’s Driving This Interest?
Customers in 2015…
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What Is DevOps?How Do You Start?
© P
hoto
by R
om
an B
ars
hay
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DevOps Definitions
“A movement of people who care about developing and operating reliable, secure, high performance systems at scale.”
-Jez Humble
“A mix of patterns intended to improve collaboration between development and operations. DevOps addresses shared goals and incentives as well as shared processes and tools.” - Michael Hüttermann
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Culture - embrace change and innovation
Automation - CI/CD, “infrastructure as code”
Lean - delivering value, minimizing waste, small batch sizes
Measurement - measure everything, show improvements
Sharing - information sharing and collaboration between dev and operation
CALMS Model
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From Wall of Confusion to Collaboration Through
Empathy
MUST READ
DEV
OPS
MUST READ
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Different Sources, Same Idea
Amplify
learning
Accelerate
feedback loop
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Feedback in Scrum…
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Delayed Feedback.
What is the cost of this delay?
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Zoom Out. What Do You See?
DEV
OPS
OPS
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Conflict of Interests
Development
Team:
Focus on delivery
Operations
Team:
Focus on Stability
Customers:
Ever-changin
g demand
s
OPS
DEV
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Chocolate, LEGO, Scrum Simulation Game
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Operations
TeamScru
m Team
Scrum
Team
Scrum
Team
Business
Business /
Customers
Feedback loop, Market demand
User
Story
ChocolateLEGOScrum.com Enterprise
User
Story
User
Story
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Role Cards.
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Game Characters:
Scrum Team
Samuel Scrum
Danny Developer (4)
Tim Tester (2)
Operations Team
Sara Security Adam Admin Robert
Release
Benjamin Business
HarryHacker
Patricia Product
Observer
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Animal Stock Exchange Board – Current Market Demand.
$1000
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Development Environment - Sample
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Our Software:
LEGO animal – software featuresChocolate – user documentation
User Story
Deployment
packageFive
small individua
l packages with a LEGO
dog and a
chocolate
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• Type of an animal as per the user story.
• Each animal has a label with a number.
• Each package contains:• One Lego animal (as a
functionality)• one chocolate candy (as a
support documentation)• Content doesn’t fall out from a
package.
Sample animals: A lion and a horse
Definition of Done:
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What Is The Goal of The Game?
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Sprint 1: Cyclical value delivery with Scrum
Sprint 2: Optimizing Scrum teamSprint 3: DevOps transformation Sprint 4: Continuous Delivery
DevOps Transformation in Four Sprints
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Limited communication between Dev and Ops.
Everyone can perform only his/her role.
Aiming to deliver a “potentially shippable product”
Number of releases is limited
Z
Sprint 1: Cyclical value delivery with Scrum
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Debrief
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Address the bottlenecks
Developers and Testers are cross-trained.
Security Testing – moved to beginning of the process.
First release into production. Can only be done by release engineer.
Sprint 2: Optimizing the team
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Debrief
Part 2: DevOps and Continuous Value Delivery
with Chocolate and LEGO
Dana Pylayeva
The 16th International Conference on Agile Software Development
@DanaPylayeva This work is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported License@DanaPylayeva This work is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported License
13:30 Part 1 Why DevOps and what it is? Cyclical value delivery (with Scrum) . Chocolate, LEGO, Scrum simulation game.
Sprint 1: What is the problem with cyclical value delivery?
Sprint 2: Move security to the right! 15:00 Break 15:30 Part 2:
Chocolate, LEGO, Scrum simulation game: Sprint 3: DevOps transformation Sprint 4: From Scrum to Continuous Delivery.
Fishbowl retrospective
About This Workshop
@DanaPylayeva This work is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported License@DanaPylayeva This work is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported License
“The velocity of change in business requirements is undeniably increasing at a frightening rate for those
organizations unable to keep pace”
The Seven Habits Of Highly Effective DevOpsby Glenn O’Donnell and Kurt Bittner, Forrester Research, Inc, September 3, 2013
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11.6 sec
Any idea?2011. Amazon Deployment Stats. Mean time between deployments
(on weekdays)
Source: http://assets.en.oreilly.com/1/event/60/Velocity%20Culture%20Presentation.pdf
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2015. No Longer For Unicorns Only…
Macy’s, Nordstrom, GE Capital, Target, Disney,US Department of Homeland Security, IBM, Microsoft, Rally Software, Barclays Capital, Capital One, Fidelity Investments, ADP, Walmart…
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What Does This Mean? A Change Again?
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DevOps: Where Do We Start?
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Where Do We Start?
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“…ensure fast, predictable and uninterrupted flow of planned work that delivers value to the business while minimizing the impact and disruption of unplanned work, so you can provide stable, predictable and secure IT service.” ~Gene Kim, Kevin Behr, George Spafford “The Phoenix Project“
Step 1: Optimize Your Flow
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Examine Your Process. Does It Look Like This?
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Improve Flow – Eliminate Waste(Value Stream Mapping)
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Improve Flow - Address Your Bottlenecks
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1. Identify the system's constraint(s). 2. Decide how to exploit the system's constraint(s).3. Subordinate everything else to the above decision (align the whole system or organization to support the decision made above).4. Elevate the system's constraint(s) (make other major changes needed to increase the constraint's capacity).5. Rinse and Repeat:Warning! If in the previous steps a constraint has been broken, go back to step 1, but do not allow inertia to cause a system's constraint.
Theory of Constraints. Systems Thinking.
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Different Types of Bottlenecks:
Tools People Policy
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Continuously Expand Your Skills!
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Scrum Team
Dev Ops
Step2: Fast-Track the Feedback Loop
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Feedback
Dev Ops
Scrum Team
Bring Operations In!
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Automate Manual Steps
ANYONE CAN DEPLOY
ANYONE CAN BUILD and PROVISION ENVIRONMENTS
DevOps
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First steps towards DevOps Improving the flow: Building T-shaped skills Accelerate Feedback – Automating deployments
Sprint 3: Optimizing the System
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Debrief
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What’s Next?
…Our highest priority is to satisfy the customerthrough early and continuous delivery of valuable software…
Agile Manifesto
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Continuous delivery is a software development strategy that optimizes your delivery process to get high-quality, valuable software delivered as quickly as possible.
~Jez Humble
Step 3 - Continuous Delivery
"Continuous Delivery process diagram“ by Jez Humble - http://continuousdelivery.com/2010/02/continuous-delivery/. Licensed under CC BY-SA 1.0 via Wikimedia Commons -
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Accelerated time to market Ability to get fast feedback and validate
assumptions Increased quality Minimized customer impact (with blue-green
deployments, canary ( incremental) releases, roll forward approach)
Advantages of CD
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Reducing batch sizes. Simplifying deployment
process Implementing
continuous delivery of value.
Sprint 4: Continuous Delivery
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Fishbowl Retrospective
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Do You Expect Me To Remember All This??
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1.DevOps is about creating a fast flow of work through organization.
2.DevOps is about amplified feedback loop.
3.DevOps is about experimentation, repetitions and practice.
4.DevOps is about changing the culture.
If You Only Remember Four Things:
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Recommended Reading.
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1.https://www.getchef.com/blog/2010/07/16/what-devops-means-to-me/
https://www.gartner.com/doc/2847717/seven-steps-start-devops-initiative
http://www.gartner.com/technology/reprints.do?id=1-2CBV2MS&ct=150326&st=sb#f-d2e168
https://blog.newrelic.com/2014/05/16/devops-name/ http://continuousdelivery.com/
Web Resources:
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http://pixabay.com/en/clock-analog-time-watch-147257/
http://pixabay.com/en/brick-lego-yellow-159435/ http://pixabay.com/en/blue-brick-lego-159433/ http://pixabay.com/en/horse-unicorn-run-black-s
hadow-194999/
http://vectorcharacters.net/ http://pixabay.com/en/magnifying-glass-magnifi
cation-450690/
Photo Credits
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You’ve earned a badge!
Thank you for playing with me today!
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