The document provides an overview of OpenStack, its history, advantages, and the significance of cloud-native applications and the DevOps movement. It emphasizes the transformative impact of OpenStack on IT operations and development, highlighting its implementations and challenges associated with cloud transitions. Additionally, it discusses strategies for adopting cloud technologies and the importance of community collaboration in maximizing OpenStack's potential.

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OpenStack Cloud
The Magic Pill to cure IT problems?
Márton Kiss / @marton_kiss

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Overview
• Define what is OpenStack, review the early days and let’s see where we are now
• Learn what to expect from an IaaS platform
• See what is the advantage of OpenStack implementation
• Introduction to cloud native applications
• The DevOps movement
• Answer how OpenStack help the cloud adoption
• Get an insight on start

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What the hack is OpenStack?

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What is OpenStack?
The mission statement:
to produce the ubiquitous Open Source Cloud Computing platform that will meet the needs of public
and private clouds regardless of size, by being simple to implement and massively scalable.
• OpenStack is the cloud?
• a virtualisation software?
• Control panel of the infrastructure?
• a platform or an ecosystem?
• an open-source movement?

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The early days…
Open Source Cloud
2010 Nasa Nebula and Rackspace
Nasa open the Compute part meanwhile
Rackspace open source the Object Storage
2010 June - the momentum
Foundation of OpenStack based on
Nasa and Rackspace contribution
2012 September
The OpenStack Foundation
* HP Joins on 2011 July

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OpenStack now
Definition
A mature ecosystem of application stacks under a big tent that help to accomplish to goals of the
mission statement. Open development, Open Governance for all projects following the OpenStack
way.
• massive industrial support
• real large scale production grade deployments
• continuous growth
• well established footprint in Open-Source ecosystem

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What to expect from an IaaS platform?
• Self service of resources
• Scale-out
• Interoperable interfaces
• Efficient management of resources
• Virtualised network
• Free transition between public / private / hybrid deployments
• Multi-DC support

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Rainbows and unicorns

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Wonderful, so we get this, right?

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… not exactly, but
To realize success:
• need to have a well defined business case
• need to do the cloud transition
• improve processes for ops and development
Business side:
• overall improvement on IT performance
• shorten go to market time
• improved operation quality

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Puppy farm vs. Cloud Native

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The cloud native Apps

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Cloud Native applications
If your company doing software development
Implement a cloud-tolerant architecture, things work here a bit differently. http://12factor.net,
just some highlights:
• Failure tolerant (everything can brake paradigm)
• Self service / automated deployment
• Elasticity
• Metered

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Cloud Native applications
Sounds good, but if you are not doing a green-field investment:
Need to solve the following challenges:
• what to do with existing codebase
• Collaboration level between dev and ops
• Need to migrate existing legacy apps (is it possible?)
• Multi-vendor environment
• How to raise the deployment frequency of apps?

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Cloud Native applications
Some suggestions:
• treat configuration as code
• highly automate processes (through API)
• implement a continuous delivery pipeline
• tests (unit, smoke, chaos monkey)
• fail fast, recover quickly
• think in small batch sizes

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DevOps movement

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DevOps
DevOps is a cultural change that helps the collaboration of operations and development, redefine
the IT. It is a real paradigm shift.
• Software development and operations is very similar to plan management
• Applies lean principles to the IT value stream
• Boost deploy lead time (commit vs. production - 8000x faster code deployment)
• Better IT performance = better business performance
• Helps to avoid ‘works for me’ moments
• Strongly depends on automation and tools related to Continous Delivery
• Runs well on Cloud platforms.

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Operate
The delivery pipeline
The delivery pipeline is the assembly line of the IT:
Develop and Test Release
• checkout upstream code
• develop / fix
• commit change
• run integration and unit tests
• manual review
• merge to upstream
• run smoketests
• packaging
• deploy to staging
• monitoring
• tests (CM)

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OpenStack as a tool

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How OpenStack support cloud native ops
• Provide Software defined everything (Compute, Networking, Storage)
• Lego like building blocks, adopts easily for different requirements
• Access through API, so even robots and scripts can manage our infrastructure
• Common effort to provide certified API endpoints - no vendor-locking in the future
• Scalability from small to extreme size deployments
• Plays well PaaS like CloudFoundry (HP Helion Development Platform)

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OpenStack builds on OpenStack
Even the OpenStack project is using OpenStack for build, test and release tasks.
• The entire CI system is Open-Source
• Documentation freely available at: http://ci.openstack.org
• Scale out to 2 different providers (building of 3rd in-house cloud provider is a WIP)
• Operated by community infra team
• Use >700 instances for testing
• Continuous test of underlying OpenStack infrastructure
• Infrastructure as code based on configuration management system

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Direction of OpenStack
Even the OpenStack project is using OpenStack for build, test and release tasks.
• Empower Container technology
• Big Data applications
• Network Function Virtualisation (NFV)
• Federated Data Centers
• improved micro service based deployment tools improvement
• Marketplace applications

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Sounds impressive, how to start?
So if you don’t have a cloud, but like to enjoy the business advantages, you have two choice:
Build from scratch
• Learn the basics, get training
• Buy consultancy
• Get a support from a skilled market
player
• pro: in-house knowledge
• con: implementation time
Buy from a vendor
• Get a pre-packaged distribution
• pro: short implementation time
• con: strong trust in partner required
Common mistake here: build from scratch without support -> waste of time and resources, likely failure

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Some final takeaways
• OpenStack is not a cloud alternative with a lower TCO
• Enable innovation of new operational and technology models
• Solid base of 40000 Foundation members, 600 companies.
• Don’t fear to implement DevOps and Agile, remember every unicorn was a horse before
• Use the Open-Source model, don’t by shy to ask from Community

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Thank you