2014-10 devops nfi - why it's a good idea to deploy 10 times per day v1.0
DESCRIPTION
Corporations are struggling with overly complex systems and system landscapes. DevOps is presented as one piece of the puzzle to go for much leaner and simpler landscapes - all in order to increase the readiness for change and innovation. The presentation also discusses the the basic thought error behind organising according to Design-Build-Run, which is the basis for most ICT IM outsourcing.TRANSCRIPT
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Why it’s a good idea to deploy 10 times per day
2014-10-08
Joakim Lindbom
Principal | Enterprise Architect
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Now, what’s this?
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Speed Kills!
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20012002
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Best & BeautifulA IncB IncC Inc
Lack of speed kills!
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Zero-Day foreverYour time to react on errors will approach ZERO
Will become reality with the growing mobile market and IoT.
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Zero-Day foreverYour time to react on errors will approach ZERO
Will become reality with the growing mobile market and IoT.
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The amount of caos increases
by itself
Termodynamics
Second main law
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Design-Build-Run
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Reqs
Specify system
Build SWDesign system
Write code
Build system
Install system
TestReqs
TestSpecs
Integr. test
Test design
Unit test
System test
UAT
Design-Build-Run approachA bit too waterfallish
Ops get involved
Add re
qs
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http://www.capgemini.com/resources/world-quality-report-2013-14
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https://www.worldqualityreport.com
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Cloud = access to abundance
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You can have as many development, test & staging environments as you like!
But you cannot handle this manually!
Cloud = access to abundance
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Big IT Slow IT(not slow as in slow food….)
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CEO/ President/ Managing Director
C-Level executives and board members
Managers Staff
3% 2% 3% 3%
12%10% 8% 8%
39%
33%
25%22%
36%42% 43%
46%
12%15%
22% 23%
Very Fast Fast About right Slow Very Slow
How slow is slow?OFF THE PACEThe pace of digital transformation is too slow – unless you’re the CEO.
Who are these guys?!?
MIT Center for Digital Business and Capgemini Consulting
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IT Legacy is #1 obstacle for innovation
Major corporations depend on core systems that- Are 15-20 years old- 3-4 persons know- Some staff is retired, some will be it within 4-5 years- Technology support is slow- Are somewhat documented- Have few formal test cases, but the staff know how to
test
Application LandscapeReport 2014
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IT Legacy is #1 obstacle for innovation
Major corporations depend on core systems that- Are 25-45 years old- 1-2 persons know- All staff are retired, or will be it within 2-3 years- Technology support is gone- Are undocumented- Have no/few formal test cases
Application LandscapeReport 2014
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The ability to innovate
is strictly coupled with
the ability to fail fast
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Nine observations on IT Complexity1. Most IT systems are too complex.2. "Best Practices" increase complexity.3. Complex systems cost more to build.4. Complex systems are harder to deliver.5. Complex systems are less secure.6. Complex systems are less reliable.7. Complex systems are less agile.8. Complex systems cost more to run.
And
9. Existing management approaches ignore complexity.
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But what is Simple-IT, then?1. Non complex2. Small building blocks3. Autonomous4. They “know nothing”5. Service based6. Dynamic7. Like lego bricks8. Exposes an OpenAPI10. Joint development and operations
Knowing nothing?Image: Daily Mail
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But what is Simple-IT, then?
SimplifiedModularisedOptimisedHardened
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DevOps is about increasing your responsiveness to customers
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Devs New features, fast!
Ops Uptime, uptime & uptime
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Devs Uptime
Ops New features, fast!
But whatif…
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…should it be one joint team per system/service?
Or….
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Autonomous system?
Totally separate partsSeparate lifecycle!
Loose coupling paw rihk-titt
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System
Stuff Data
Autonomous system?
We used to look at it from a technical boundaries perspective
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System
Stuff Data
DevArchitect Test
Autonomous system?
But in order to ensure agility, we need to include the people in the system definition
Ops
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System
Stuff Data
OpenAPI
Autonomous system?
OpenAPI mindset = not a solution design for a specific purpose/project. Open for Innovation
DevArchitect TestOps
Open Data Lake
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~Autonomous system?
Release = just a mountain to climb…
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Basics, get things in orderAd-hoc deployment
Structured & planned releases
Major event
Major RISKMajor hurdle
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Climbing a Release-mountain, how many people experience it…
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Industrialisation of ITIT development more and more viewed as "manufacturing"
Square boxes, repeat over and over
IT is innovationMistake!
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How good is good?
Compileable?No warnings?Runnable?Passing tests?Not breaking anything else?
When your developers check in code, how good does it need to be?
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Deploy 10 time per dayHow will that help you?
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Deploy oftenShorten feedback-loopBring back passion – show visible result earlyAllow (small) failuresAllow experimentationFollow Moore’s lawLearn by doing
But you don’t need to deploy to production 10 times per day…
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Deploy oftenBasis for Continuous Improvement
Slow break-down into µServices
Gradual transition towards smaller building blocks
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Continous improvement
Continuous rebuilding
Always. Even if “not needed”
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Example
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Build chain
Does it compile
?
Unit tests OK?
SW quality metrics
Build Deploy
trunc
Check-in
Auto
Test
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Build chain
Does it compile
?
Unit tests OK?
SW quality metrics
Build Deploy
trunc
Check-in
Manual
Production
Dev-test
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ToolsHudson/Jenkins/Ant – base automation
Phing – PHP specific manipulation tool
SonarQube – Software quality, general
PHPUnit + LoC, Copy/Paste Detector, Mess Detector, et all
https://github.com/sebastianbergmannhttp://www.sonarqube.org/
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Summing upLack of speed kills
DevOps – increase responsiveness
Simplify, make smaller & rebuild – to fight complexity
Automate to avoid simple misstakes!
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Contact
JoakimLindbomPrincipal | Enterprise Architect
08-5368 39340708-166404
twitter: JoakimLindbom
http://www.slideshare.net/JoakimLindbomhttp://www.linkedin.com/in/joakimlindbom
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Image sources, marked as OK to use commercially
https://upload.wikimedia.org/wikipedia/commons/8/8b/Buck_Mountain_Grand_Teton_NP1.jpghttps://upload.wikimedia.org/wikipedia/commons/d/de/Eisklettern_kl_engstligenfall.jpghttps://c1.staticflickr.com/1/1/1118807_a751d65ba5_z.jpg?zz=1https://upload.wikimedia.org/wikipedia/commons/4/4f/Eternal_clock.jpghttps://c1.staticflickr.com/9/8062/8189938256_2a683d2334_z.jpghttps://upload.wikimedia.org/wikipedia/commons/8/85/Git_branches_example.pnghttps://upload.wikimedia.org/wikipedia/commons/9/99/Highway_at_night_slow_shutter_speed_photography_02.jpghttps://c2.staticflickr.com/6/5058/5490790304_dc3d7c2b91_z.jpghttp://www.dailymail.co.uk/tvshowbiz/article-1176568/Andrew-Sachs-thanks-Jonathan-Ross-Russell-Brand-boosting-career.html https://upload.wikimedia.org/wikipedia/commons/8/8b/CERN_Server.jpg