Cloud-Native Fundamentals: Accelerating Development with Continuous...

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© Copyright 2017 Pivotal Software, Inc. All rights Reserved. Version 1.0
Cloud-Native Fundamentals: Accelerating
Developme...

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Topics
●  Economic Imperative of Automated
Testing
●  What is Cloud Native
●  CI and Microservices
●  CI an...

Shifting left and automating QA are
economic imperatives of cloud-
native software development
@dormaindrewitz

4
From idea to production: 6-9 months
@dormaindrewitz

It’s all about feedback loops
https://youtu.be/ZQGmtuG0Nx8

Tenet: Cost to fix bugs goes up with every handoff
Source: Crossing the Value Stream: Improving Development with Pivotal C...

Dividend Yield: Higher quality code, less process waste
Source: Crossing the Value Stream: Improving Development with Pivo...

Liberty Mutual: Crossing the CI/CD Chasm
https://content.pivotal.io/slides/crossing-the-ci-cd-devops-chasm
Total number of...

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Microservices: Architecture that gives
teams autonomy and independence
DevOps: Culture of shared responsibi...

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Microservices: Architecture that gives
teams autonomy and independence
●  How do we safely decompose code?
...

Microservices
Continuous Integration

When you're strangling out a
microservice, what you’re really
doing is actually figuring out those
high level functional t...

“As you're strangling [a monolith],
you are writing unit tests as you're
rewriting that code into that
microservice”
-  Ca...

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Why TDD
Writing a test first helps:
●  Gain the CONFIDENCE you need to
REFACTOR your code to keep it
CLEAN ...

But What About Microservices Complexity?
What happens when I have to test LOTS of microservices… together?
https://www.sli...

Rather than a myriad of
checkboxes, pipelines are defined
as a single declarative config file,
composing together just thr...

DevOps
Continuous Integration

Culture of shared responsibility for well-functioning
code
https://springoneplatform.io/sessions/take-devops-to-11-and-spr...

It’s a lot of work, but it pays off
2017 State of Devops Report
By Puppet and DORA [1]
“High” IT performers “Low” IT Perfo...

CI: Top Technology/Automation to Scale DevOps
Initiatives
Source: Gartner, “Build Continuous Quality Into Your DevOps Tool...

Embrace (and invest) in Test and Release Automation
@dormaindrewitz
https://content.pivotal.io/springone-platform-2017/tak...

The point of tests is to find failures.
And then fix them.

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Making Defects Visible
●  green means good
●  red indicates a problem
●  yellow indicates a step is activel...

Continuous Delivery
Continuous Integration

Enterprises are
deploying faster
Scotiabank deploys over 3,000 times a month in 10
months after adopting PCF
Garmin deploy...

The Deployment Equation
Micro-
services
Automated
Pipelines
Self-service
Infrastructure
Deploys

The Deployment Equation
Micro-
services
Automated
Pipelines
Self-service
Infrastructure
Deploys
Test-Driven Development
- ...

Delivery is hard
How do we make sure our code works in
production-like environments?
●  Test the code in a production-like...

Cerner: Modeling Processes into Pipelines
https://content.pivotal.io/inspiring-use-cases/concourse-in-the-real-world-a-cas...

Cerner: Modeling Processes into Pipelines
https://content.pivotal.io/inspiring-use-cases/concourse-in-the-real-world-a-cas...

Containers
Continuous Integration

Rather than sharing state, every
task runs in its own container,
controlling its own dependencies.

Dependability
Through
Containerization
> test.sh
Rather than sharing state, every
task runs in its own container,
controll...

Maintaining the testing
infrastructure itself shouldn’t be
your job.

Concourse controls the inputs to
your pipeline so that the results are
repeatable every time.
Rather than sharing state, e...

Concourse
One option for Continuous Integration

Pipelines are defined as a single
declarative config file composing
together just three core concepts.

Resources
●  Track versions of
external artifacts used for
CI / CD
●  Any entity that can be
checked for new versions,
pul...

Fly your friendly Concourse pipeline
Flexible integration
of resources
Simple modeling of
components
Pipeline status is
im...

Examples

Transforming How The World Builds Software
© Copyright 2017 Pivotal Software, Inc. All rights Reserved.

CN: Concepts, Goals, Challenges, Advantages
Microservices
(Architecture)
DevOps
(Culture)
Continuous Delivery
(Process)
Co...

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