Introduction to DevOps

Oct 30, 2017Download as PPTX, PDF2 likes464 views

This document provides an introduction to DevOps. It defines DevOps as a movement to improve collaboration between development and operations teams. The document outlines reasons for DevOps including reducing lead time and improving feedback. It discusses DevOps principles like continuous integration and delivery. It also shares statistics on benefits organizations see from DevOps like reduced deployment times and incidents. The presentation ends with inviting any questions.

Introduction to DevOps
F. Garavaglia
Vers. 1.0 / November 2017

I am Francesco Garavaglia
o over 10 years of experience in IT consulting companies.
o Took part in large scale projects (Energy Markets, Bank, Insurance)
o Pay attention to Software architecture and Business value
o Photographer
o High-Aggressive-I-eat-you-German-Shepherd-Protected-by
You can find me at Francesco.garavaglia@gmail.com
Hello!

Agenda
◉What is DevOps?
◉Once upon a time
◉Why DevOps?
◉How to start DevOps?
◉DevOps, Finally
◉DevOps Stats
◉Q/A

“
“It’s a movement of people who think its time for
change in the IT industry – time to stop wasting money,
time to start delivering great software and building
systems that scale and last”
Patrick Debois

Why
Lead Time
DEV OPS
Feedback
Wall of
Confusion
Shorten

CI is about what people do
Not about what Tools they use

CI is a practice
◉ Discipline to
integrate frequently
◉ Strive to make
small Changes
◉ Strive to fast
feedback

DevOps Goals
Cultural Change – Collaboration,
Cooperation, Transformation to a
learning Organization (Improved
knowledge retention & deeper
Knowledge understanding of the
business
Increased responsiveness to
business needs (increased
understanding to prioritize for feature
requests from the business ability to
communicate)
Improved quality of the code
(reduction of defects in each
environment deployment & increase
test coverage of the code
More Agile developments (increased
development capabilities for product
feature)
People Tecnology
Process
More agile change process (increased
rate of acceptance for new features &
visibility across the product lifecycle
Improved Quality of Sofware deploy
(reduction of incidents per deploy)
More frequent releases
(increase of velocity of product
releases)
Improved Visibility into IT process
& requirement

Add DevOps into Dev
Enhance Service
Design with
Operation al
Knowledge
◉ Reliability
◉ Performance
◉ Security
◉ Test Them
◉ Build Feedback
Loops from
Production
◉ Monitoring and
KPI Dashboards
Culture of
Responsibility:
Whether your code
passes test, gets
deployed and stays
up for users as your
responsibility
Make Development Better with Ops
– Productionlike enviromnents
– Power tooling

Accelerate Flow to Production
Reduce batch size
Automated
environments means
identical dev / test /
prod
Create safety through automation
◉ Continuous Integration/Testing
◉ Automated Regression Testing
◉ Continuous Delivery
◉ Continuous Deployment
◉ Feature Flags (A/B Testing)
◉ Security Testing

Add Dev into Ops
Don’t do tasks for
people
◉ Build tools so they
can do their own
work
Monitoring/logging /
metrics feeds back
into dev (and the
business)
Developers Do
production
support/empower
◉ ops acceptance

DevOps Stats
https://www.slideshare.net/PuppetLabs/2016-state-of-devops-report-webinar

Any questions ?
You can find me at
◉ Francesco.garavaglia@gmail.com
Thanks!

Credits
https://www.linux.com/blog/what-devops-patrick-
debois-explains
https://www.slideshare.net/PuppetLabs/2016-
state-of-devops-report-webinar

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IOC in unityFrancesco Garavaglia

The document discusses dependency injection and inversion of control principles using the Microsoft Unity framework. It begins by describing problems with rigid and fragile code that is difficult to maintain and change. It then covers dependency injection and inversion of control patterns, using Unity to resolve dependencies and decouple classes. The document provides examples of constructor injection, property injection, and lifetime managers in Unity. It concludes by noting some limitations of Unity and references for further reading.

Work shop eventstormingFrancesco Garavaglia

Event Storming is a process that brings together business experts and developers to quickly model complex domains. It uses a simple notation of events, commands, documents and other elements placed along a timeline to visualize business processes. This allows gathering requirements from multiple stakeholders at once rather than sequentially. The resulting model is aligned with event sourcing and event-driven architecture. Key benefits are that the process is powerful, engaging, efficient and easy to use while also being fun. It can produce a comprehensive model in hours instead of weeks by leveraging interactions between participants.

Workshop unit testFrancesco Garavaglia

The document discusses best practices for unit testing code. It defines what a unit test is and explains why unit testing is important for finding bugs early and increasing quality assurance. It provides terminology around unit testing, including definitions of test-driven development, test fixtures, assertions, and mocks. The document outlines several best practices for writing unit tests, such as making tests consistent, atomic, single responsibility, self-descriptive, and separating tests by business module and type. It also advises not including conditional logic, loops, exception handling, or test logic in production code.

Entering the matrixFrancesco Garavaglia

Workshop - cqrs brief introductionFrancesco Garavaglia

CQRS recepiesFrancesco Garavaglia

IOC in Unity Francesco Garavaglia

IOC in unityFrancesco Garavaglia

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Introduction to DevOps

1. Introduction to DevOps F. Garavaglia Vers. 1.0 / November 2017

2. I am Francesco Garavaglia o over 10 years of experience in IT consulting companies. o Took part in large scale projects (Energy Markets, Bank, Insurance) o Pay attention to Software architecture and Business value o Photographer o High-Aggressive-I-eat-you-German-Shepherd-Protected-by You can find me at [email protected] Hello!

3. Agenda ◉What is DevOps? ◉Once upon a time ◉Why DevOps? ◉How to start DevOps? ◉DevOps, Finally ◉DevOps Stats ◉Q/A

4. What is DevOps?

6. “ “It’s a movement of people who think its time for change in the IT industry – time to stop wasting money, time to start delivering great software and building systems that scale and last” Patrick Debois

7. DevOps Philosophy

10. a true story Once Upon a Time

11. Once Upon a time, in 2013

14. Once Upon a time

15. Why DevOps?

16. Why Lead Time DEV OPS Feedback Wall of Confusion Shorten

17. Why

18. Why does it matter?

19. Why does it matter?

20. How to start DevOps?

21. DevOps Principles

22. DevOps Practices

25. Continuous Integration

26. CI is about what people do Not about what Tools they use

27. CI is a practice ◉ Discipline to integrate frequently ◉ Strive to make small Changes ◉ Strive to fast feedback

28. Continuous Delivery

30. DevOps, Finally

31. DevOps Culture

32. DevOps Goals Cultural Change – Collaboration, Cooperation, Transformation to a learning Organization (Improved knowledge retention & deeper Knowledge understanding of the business Increased responsiveness to business needs (increased understanding to prioritize for feature requests from the business ability to communicate) Improved quality of the code (reduction of defects in each environment deployment & increase test coverage of the code More Agile developments (increased development capabilities for product feature) People Tecnology Process More agile change process (increased rate of acceptance for new features & visibility across the product lifecycle Improved Quality of Sofware deploy (reduction of incidents per deploy) More frequent releases (increase of velocity of product releases) Improved Visibility into IT process & requirement

34. Add DevOps into Dev Enhance Service Design with Operation al Knowledge ◉ Reliability ◉ Performance ◉ Security ◉ Test Them ◉ Build Feedback Loops from Production ◉ Monitoring and KPI Dashboards Culture of Responsibility: Whether your code passes test, gets deployed and stays up for users as your responsibility Make Development Better with Ops – Productionlike enviromnents – Power tooling

35. Accelerate Flow to Production Reduce batch size Automated environments means identical dev / test / prod Create safety through automation ◉ Continuous Integration/Testing ◉ Automated Regression Testing ◉ Continuous Delivery ◉ Continuous Deployment ◉ Feature Flags (A/B Testing) ◉ Security Testing

36. Add Dev into Ops Don’t do tasks for people ◉ Build tools so they can do their own work Monitoring/logging / metrics feeds back into dev (and the business) Developers Do production support/empower ◉ ops acceptance

37. DevOps stats

38. DevOps Stats https://www.slideshare.net/PuppetLabs/2016-state-of-devops-report-webinar

39. DevOps Stats

40. DevOps Stats

41. DevOps Stats

42. DevOps Stats

43. DevOps Topology

44. Any questions ? You can find me at ◉ [email protected] Thanks!

45. Credits https://www.linux.com/blog/what-devops-patrick- debois-explains https://www.slideshare.net/PuppetLabs/2016- state-of-devops-report-webinar