DevOps and its impact

How Cisco is building a DevOps CultureJérémie Garnier – Expert Development

• What is DevOps?

• DevOps journey

• Continuous improvements

• Conclusion

Agenda

jegarnie@cisco.com:~$ whoami

• Development Expert

• Currently working on a Big Data Platform called PaNDA

http://panda.cisco.com & https://developer.cisco.com/site/panda/

• Like new technologies

• Collaboration & sharing

• DevOps evangelist

“In theory there is no difference between

theory and practice; in practice there is.”

Walter Savitch

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Source: http://cdn.oreilly.com/radar/images/posts/0612-what-is-devops-cover.jpg

DevOps of Everything

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Source: http://www.colonlibrary.org/wp-content/uploads/2015/03/magic-trick.jpg

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Source: http://sd.keepcalm-o-matic.co.uk/i/keep-calm-and-step-back.png

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DevOps is about breaking down the Development & Operations Silo and getting both focused on the business goals of software

What is DevOps?

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Patrick Debois

DevOps: optimize the whole

CustomerBusiness

Theory of Constraints

HR MGMT FIN

SALES DEV OPS

Source: http://www.jedi.be/blog

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John Willis - What DevOps means to me

Culture

DEV OPS

Automate

Measure

Share

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Source: https://www.sweetprocess.com/wp-content/uploads/2013/07/first-procedure-to-document.jpg

• Higher performance

• Higher quality

• Remove bottlenecks

• Remove Silos

• Less manual work

• Delivery: more frequent & lighter

• Minimize risk (shorter product backlog - iterate)

• Tightly coupled with business objectives

Why DevOps?

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Development has changed

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Source: http://image.slidesharecdn.com/devopsguys-devops101forrecruiters-140117090454-phpapp02/95/devopsguys-devops-101-for-recruiters-8-638.jpg?cb=1390435671

How?

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How?

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Agile frameworks:

Scrum / Kanban

Continuous integration Continuous testing Continuous delivery

Continuous load testing Continuous deployment Continuous monitoring

Continuous feedbacksContinuous penetration

testing

Continuous

improvements

Dashboards

Au

tom

atio

nS

ourc

e c

ontro

l

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DevOps Journey: road to success

Source: http://devops.com/2014/03/16/the-devops-journey/

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Starting as Developer(Before 2010)

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Source: http://www.techspot.com/images2/news/bigimage/2015/08/2015-08-20-image-27.jpg

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Source: http://33.media.tumblr.com/df06ab544c2cfddc6fad7242ca1a0fb0/tumblr_inline_nng15xQt631raprkq_500.gif

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Moving to Agile(2010)

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25

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Workflow

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OctApril

May

v1.0 v1.0.1

v1.0.2

1st SDP deployment

v1.0.3

v1.0.4

v1.0.5 v1.0.6

June

v1.0.7

v1.0.8

v1.0.9

v1.0 v1.0.1 v1.0.2 v1.0.3 v1.0.4

v1.0.5

v1.0.6

July Aug. Sept

v1.0.10

v1.0.11

v1.0.12

v1.0.13

v1.0.14

v1.0.15

v1.0.16

v1.0.17

v1.0.18

v1.0.19

v1.0.20

v1.0.21

v1.1.0

v1.1.1

v1.1.2

v1.1.3

v1.1.4

v1.0.7

v1.0.8

v1.0.9

v1.0.10

v1.0.11 v1.0.12v1.0.13

v1.0.14v1.0.15

AP

ISoft

box

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• Ops working with Dev (shared tools / scrums / backlog)

• Each iteration:• Adding more tests, automation, scripts, documentation…

• Code review

• Everyone was coding !

Source: http://blog.psoda.com/wp-content/uploads/2014/07/lessons-learned.png

Step back

Something missing?

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• Not everything under source control

• No continuous integration / delivery / deployment (manual steps)

Source: http://www.rebellesociety.com/wp-content/uploads/2013/11/missingpiece.jpg

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Moving to DevOpsNew Tools & Technologies

2012 - 2013

Cloud TV system born in the cloud

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Feature and chapter teams

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Workflow

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Step back

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• DevOps need to be considered at Day 0

• You need Ops team

• 6 deployments per day

• Dashboard with commit/tasks deployed in

staging/production

• Dedicated infra team is not working

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Moving to DevOpsSaaS, Docker & DevOps

2013 - 2015

New approach / tool / technologies

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Workflow

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Step back

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• Flexible solution & team

• Continuous improvements !

• More details:

https://www.youtube.com/watch?v=2GaDYdja2P8

2015 #vBrownBag at Cisco Live! Jeremie Garnier CI:CD:CT on

a Microservices Applications

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2015

Moving forward

Canary release

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• Canary Release definition is a

technique to reduce the risk of

introducing a new software version

in production by slowly rolling out

the change to a small subset of

users before rolling it out to the

entire infrastructure and making it

available to everybody.

Open Source and technologies

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Workflow

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Source: https://mystery756.files.wordpress.com/2012/07/yoda-do-or-do-not-1.jpg

Continuous improvements

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Source: http://thisisindexed.com/wp-content/uploads/2010/11/card27451.jpg

DevOps Unconferences

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• Open Spaces

• Lightning talks

• https://developer.cisco.com/devops

Books

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DevNet

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Source: https://s-media-cache-ak0.pinimg.com/736x/d4/55/9b/d4559b9cf76fe91919ee94e875b21e75.jpg

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Source: https://c2.staticflickr.com/8/7053/6824930292_a9b4287135_b.jpg

jgarnier19

jgarnier

Thank you