Gitops: a new paradigm for software defined operations

Mar 23, 20180 likes722 views

The document discusses GitOps and a new paradigm called cloud native applications. It promotes GitOps as an approach where the entire system, including code, config, monitoring rules and policies are described in a Git repository. This allows the entire system to be destroyed and re-built with no human intervention. It then describes Automium, a solution the author's company built based on GitOps fundamentals to help with cloud transformations.

GitOps: a new
paradigm for software
deﬁned operations

Enter Cloud Suite
The first European,
multi-region, open source
cloud IaaS
AMS
MIL
FRA

Twenty years’ experience
in datacenter and cloud services
led us to believe that stability,
reliability and performance
are not in the product, but
in the process.

Conway’s Law
Organizations which design
systems […] are constrained

to produce designs which are

copies of the communication

structures of these organizations.

Siloed functional teams… … lead to siloed application architectures.
UI specialists
Middleware specialists
DBAs

If you can’t feed a team

with two pizzas,

it’s too large.

Jeﬀ Bezos
“

UI
Data
Access
Layer
Monolithic Architecture Microservices Architecture
UI
Business
Logic
MicroserviceMicroserviceMicroservice
Microservice Microservice
Microservice

A microservices architecture
is automated

A microservices architecture
is distributed
A monolithic application
puts all its functionality
into a single process…
…and scales by
replicating the monolith
on multiple servers
…and scales by
distributing these
services across servers,
replicating as needed.
A microservices
architecture puts each
element of functionality
into a separate service…

“Cloud Native applications are a combination of existing
and new software development patterns.

The existing patterns are software automation
(infrastructure and systems), API integrations,

and services oriented architectures.

The new cloud native pattern consists of microservices
architecture, containerized services,

and distributed management and orchestration.

CNCF (Cloud Native Computing Foundation)

There’s no beneﬁt in moving
your monolithic app to the
cloud as it is (“lift and shift”)

You are given two options:
refactor your app or…

But you can also start your personal
journey to a cloud transformation

Most people would
rather die than think.
Many do.
Bertrand Russel

Let the robots
take over: cloud is
for machines talking
to each other

From DevOps to GitOps:
versioned CI/CD on top of
declarative infrastructure

The entire system including code,
conﬁg, monitoring rules and
policies is described in Git

The entire system can be destroyed
and re-built with no human
intervention

Monitoring and observability
is baked into the beginning

Starting from the GitOps
fundamentals we built Automium,
our solution for cloud transformation

DEV
Source Code
Management
Continuous
Integration
Continuous
Delivery

OPS
Continuous
Deployment
Infrastructure
as a Service
Monitoring
& Alerting

Why GitOps (and Automium)
are the future of operations

You can start where you are, with
no other platform or services to
integrate in your workﬂow

Any developer can use Git,
so any developer can join
your team and ship new apps
or make changes easily

The entire system is provider
neutral, so you can deploy
wherever you want: freedom
is our lock-in

Want to share
our journey?
Let’s talk!
Mariano Cunietti
mcunietti@enter.eu
@mcunietti

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Gitops: a new paradigm for software defined operations

1. GitOps: a new paradigm for software deﬁned operations

2. Mariano Cunietti CTO at Enter OUTDATED

3. International backbone

4. Enter Cloud Suite The first European, multi-region, open source cloud IaaS AMS MIL FRA

5. Twenty years’ experience in datacenter and cloud services led us to believe that stability, reliability and performance are not in the product, but in the process.

6. Conway’s Law Organizations which design systems […] are constrained to produce designs which are copies of the communication structures of these organizations.

7. Siloed functional teams… … lead to siloed application architectures. UI specialists Middleware specialists DBAs

8. If you can’t feed a team with two pizzas, it’s too large. Jeﬀ Bezos “

9. Say hello to microservices

10. UI Data Access Layer Monolithic Architecture Microservices Architecture UI Business Logic MicroserviceMicroserviceMicroservice Microservice Microservice Microservice

11. A microservices architecture is automated

12. A microservices architecture is distributed A monolithic application puts all its functionality into a single process… …and scales by replicating the monolith on multiple servers …and scales by distributing these services across servers, replicating as needed. A microservices architecture puts each element of functionality into a separate service…

13. Automation + distribution = cloud

14. I said cloud, not virtualization

15. “Cloud Native applications are a combination of existing and new software development patterns. The existing patterns are software automation (infrastructure and systems), API integrations, and services oriented architectures. The new cloud native pattern consists of microservices architecture, containerized services, and distributed management and orchestration. CNCF (Cloud Native Computing Foundation)

16. There’s no beneﬁt in moving your monolithic app to the cloud as it is (“lift and shift”)

17. You are given two options: refactor your app or…

18. … stick to where you are now.

19. But you can also start your personal journey to a cloud transformation

20. Join the DevOps movement

21. Look at the Entire System

22. Amplify Feedback Loops

23. Never Stop Experimenting and Learning

24. Most people would rather die than think. Many do. Bertrand Russel

25. Let the robots take over: cloud is for machines talking to each other

26. From DevOps to GitOps: versioned CI/CD on top of declarative infrastructure

27. The entire system including code, conﬁg, monitoring rules and policies is described in Git

28. The entire system can be destroyed and re-built with no human intervention

29. Monitoring and observability is baked into the beginning

30. Starting from the GitOps fundamentals we built Automium, our solution for cloud transformation

31. DEV Source Code Management Continuous Integration Continuous Delivery

32. OPS Continuous Deployment Infrastructure as a Service Monitoring & Alerting

33. Automium integrates with vvv v

34. Why GitOps (and Automium) are the future of operations

35. You can start where you are, with no other platform or services to integrate in your workﬂow

36. Any developer can use Git, so any developer can join your team and ship new apps or make changes easily

37. The entire system is provider neutral, so you can deploy wherever you want: freedom is our lock-in

38. Want to share our journey? Let’s talk! Mariano Cunietti [email protected] @mcunietti

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