What Does Your Platform Do For You? by Karun Bakshi
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This presentation outlines the need to expand the notion of continuous delivery to encompass operational excellence. It discusses how a cloud-native platform can automate and simplify many operational concerns and what desirable properties such a platform should possess. The presentation concludes with a brief discussion of Pivotal Cloud Foundry.
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What Does Your Platform Do For You? by Karun Bakshi
- 2. 2© 2014 Pivotal Software, Inc. All rights reserved. 2© 2014 Pivotal Software, Inc. All rights reserved. What Does Your Platform Do For You? Karun Bakshi Director, Product Marketing, Pivotal Cloud Foundry Pivotal CloudBees, Continuous Delivery Summit Washington D.C., 2015
- 3. 3© 2014 Pivotal Software, Inc. All rights reserved. 3© 2014 Pivotal Software, Inc. All rights reserved. Motivation
- 4. 4© 2014 Pivotal Software, Inc. All rights reserved. Of Dinosaurs and Unicorns – The Imperative to Evolve “Software is Eating the World” - Mark Andreessen “Silicon Valley is coming” - Jamie Dimon, JPMorgan Chase “Unicorns may be overvalued, but all dinosaurs gonna die” - Dave McClure, 500 Startups
- 5. 5© 2014 Pivotal Software, Inc. All rights reserved. What Does It Mean To Deliver Continuously? Compile Test Deliver
- 6. 6© 2014 Pivotal Software, Inc. All rights reserved. Delivering Karl Malone, a.k.a. “The Mailman” delivers You have compiled, tested and deployed… But you have not delivered… Until the business succeeds! True Delivery is Operational Success How do we get there?
- 7. 7© 2014 Pivotal Software, Inc. All rights reserved. The Weakest Link – An Impedance Mismatch Day 0 Day 1 Day 2 Development CI/CD Operations Specify Code DeployBuild Test/Ve rify Package Repository Production Concerns Automated Manual
- 8. 8© 2014 Pivotal Software, Inc. All rights reserved. 8© 2014 Pivotal Software, Inc. All rights reserved. Trouble in Paradise
- 9. 9© 2014 Pivotal Software, Inc. All rights reserved. Operations Scaling Availability Security Updates
- 10. 10© 2014 Pivotal Software, Inc. All rights reserved. The Need For A (Well-Designed) Platform Automation Standardization Collaboration Platform for DevOps Ease with Extensibility Encapsulation Elevation of Concerns
- 11. 11© 2014 Pivotal Software, Inc. All rights reserved. 11© 2014 Pivotal Software, Inc. All rights reserved. Desirable Properties
- 12. 12© 2014 Pivotal Software, Inc. All rights reserved. Microservices Microservices Architecture – a suite of independent business capabilities that collectively comprise an application but can be independently defined, managed and scaled. Decoupled functionality Independent management & scaling Independent development; Organizational agility
- 13. 13© 2014 Pivotal Software, Inc. All rights reserved. 12-Factor App A set of best practices for developing and deploying cloud-native software. Some practices can translate into platform features and workflow requirements. Codebase Dependencie s Config Backing Services Build, Release, Run Processes Port Binding Concurrency Disposability Dev/Prod Parity Logs Admin Processes
- 14. 14© 2014 Pivotal Software, Inc. All rights reserved. Support Multiple Languages and Runtimes
- 15. 15© 2014 Pivotal Software, Inc. All rights reserved. Portable Across Cloud Infrastructures
- 16. 16© 2014 Pivotal Software, Inc. All rights reserved. Operational Concerns Availability Adaptive Scaling Security Updates/Management
- 17. 17© 2014 Pivotal Software, Inc. All rights reserved. Support an Organizational Context Multiple departmental and user abstractions and privileges Encapsulate and enforce a framework – Structure – Consistency – Generality – Extensibility Handle multiple contexts with ease and elegance within well defined boundaries “Controlled Flexibility”
- 18. 18© 2014 Pivotal Software, Inc. All rights reserved. Support and Encourage a DevOps Practice Support Multiple Deploys Support Dev/Prod Parity Encourage a shared culture and processes through tools
- 19. 19© 2014 Pivotal Software, Inc. All rights reserved. 19© 2014 Pivotal Software, Inc. All rights reserved. Cloud Foundry
- 20. 20© 2014 Pivotal Software, Inc. All rights reserved. Cloud Foundry Traditional DevOps and Application Deployment Pivotal Cloud Foundry
- 21. 21© 2014 Pivotal Software, Inc. All rights reserved. Cloud Foundry Foundation - Largest PaaS Ecosystem
- 22. 22© 2014 Pivotal Software, Inc. All rights reserved. Pivotal Cloud Foundry Source: see more on our website. • Orchestrates and manages IaaS; Multi-cloud • Horizontally scalable; Container based; Support for Docker coming soon. • Admins specify services • Multi-Language • Support for scaling, health monitoring, security, updates • PaaS - CLI and UI for developers • Used by F500 customers and Pivotal’s public PaaS
- 23. 23© 2014 Pivotal Software, Inc. All rights reserved. Customers using Pivotal as their cloud platform for software development Note: selected from Pivotal’s 40+ customers accounting for ~$40m in 2014 bookings. Click most logos for links to videos or customer cases.
- 24. 24© 2014 Pivotal Software, Inc. All rights reserved.
Editor's Notes
- Introduction Describe Pivotal Describe Cloud Foundry – near the end we will discuss it Why you are here – You’ve learned about CI and CD. You’ve learned about why it’s important and why you need to do it. You’ve learned how to do it. However, I am here to challenge you to think about what CD really means; to introduce you to new questions and hopefully some answers. CD should expand to include operational issues.
- Andreessen - Software is eating the world Jamie Dimon – Silicon Valley is coming – examples of unicorns – twitter, uber, facebook… Come out of nowhere Can deliver at exceptional pace and quality – disrupt industries Rare breed Disrupting industries Everybody wants to be one Dave McClure – Some Unicorns may be overvalued, but all Dinosaurs Gonna Die Unicorns overvalued Dinosaurs risk extinction Reality Reality is somewhere in between Realization – the pace of commerce has accelerated and it is driven not just by unicorns but by technology – the haves and the have nots. Technology, and not just talent available to unicorns, can let your competitors move faster. So you need to learn to move fast…and invest in technology. Many of us are trying to evolve. That’s why we’re here…to learn to move fast and at better quality Clear outcome: An imperative to evolve – We must learn to deliver continuously
- What does it mean to deliver continuously? Compile code continuously Unit test continuously? Integration test continuously? Push bits continuously? Then what? Can you operate your service to truly deliver?
- True Delivery – Speed of Business – Karl Malone How do we get there Delivery is not about passing the ball…getting close to the hoop…or taking the shot… It is about getting the ball in the hoop Karl Malone delivered. He could be counted on it. He was reliable…he delivered. Delivery is not about pushing the bits… Delivery is about customer success We cannot make customers buy or use our product…but we can ensure that our product is available to those who want to buy or use… That goes a step beyond deployment…
- Day 0 – Develop Code Day 1 – Deploy Code Day 2 – Maintain and Operate There is an impedance mismatch – you automate the pipeline until deploy and then what? You deploy your bits where? Do you want to spray your bits across machines…and pray? What’s next? What are the issues you can expect to encounter? You might think your job is done after deployment…
- Do you still think in terms of load balancer, VMs, in-memory grids, clusters and failover? Availability What happens when there is an app crash. Does everything go down? Even unrelated parts? How quickly do you recover? What happens if you lose infrastructure? Does someone have to spin up a new VM? How long does that take? Scaling What do you do if there is a spike in load? Scale up? Scale out? Allocate a server? VM? Who does it? How long does it take? Is it automated? What is the unit of scale? VM? Container? Microservices? Is it granular? Does it matter? Do you scale the whole app or just the part that is experiencing load? What do you do when workload varies by the hour? Minute? Second? One tweet can lead to a frenzy of requests. Who/how does the capacity spin down? Do you still do manual “capacity planning” Manual capacity planning and re-architecture Manual Integration and rebalancing with rest of infra, e.g. load balancers That’s so 20th century Security External: Surface area of attack, DDoS Between applications? Internal: Employee? Intentional or unintentional; lack of security policies, roles, etc. Is it consistently applied? Updates Can you update without downtime? How do you fix bugs quickly? What do you do if your fix introduces new problems? Can you rollback quickly? How do you see if a new feature is getting traction with just a few users? How do you know if one layout on your site leads to better customer returns than another?
- Operating without a platform is like bringing a knife to a gun fight A lot of these problems happen because a single point of control is lacking. All solutions to them are custom, non-reproducible, manual, low-level. A platform is necessary to abstract, standardize, automate and reduce redundant work. A well designed platform can address many of these concerns and even if it does not address particular issue, provides a centralized placeholder control point for future enhancements. A well designed platform can provide the following benefits: Automation – alleviates manual configuration, fire-fighting, etc. Standardization – creates one way, tested, reproducible process that gives confidence, and also enables sharing of workload by eliminating custom solutions for each group. Collaboration Platform for DevOps – Creates a single platform that enforces the same process, tools, primitives and vocabulary for dev and ops teams, making collaboration possible with less friction Ease with Extensibility – Makes common things simple while allowing special cases to still be supported (since every environment is unique). Encapsulation – Placeholder for Reduction of Concerns; A single place where all concerns that need to be handled in a general manner can be encapsulated to reduce redundancy and create repeatability and confidence. Elevation of Concerns – abstracts away some of the infrastructure; stop thinking about plumbing (VMs, app servers, DB, OS, etc.) and think about the units of value, e.g. apps and services. A platform makes it easy to deploy and operate the relevant primitives and abstractions that central to the prevailing philosophy of software design, architecture and development at the time.
- Software platforms are developed to support architectural philosophies – these philosophies become the design points for platforms It is desirable to support these philosophies. What are emergent philosophies with substantial consensus that should be supported design points? There are 2 architectural approaches that are critical in a cloud native world. Microservices and 12-factor app Define Microservices (slide) A Microservices approach has multiple ramifications Development – an application can be developed as multiple, decoupled/independent units with well defined interfaces/contracts. Behind the contracts/endpoints/interfaces, development proceeds in parallel and makes design choices, unconstrained by others. Their choices are based on what is the best choice for the service being designed. This yields lower application complexity, faster time to market, smaller testing surface, more stability, tremendous freedom of choice w.r.t. implementation. It also promotes robustness in application design since you can replace one service with another as long as the interface is consistent. It also allows new functionality to be released faster as services update with independent cadences. Operations – Operations teams can operate at a level of service granularity rather than VMs, load balancers, etc. Ease of comprehension; Services can be independently scaled, secured, updated, etc. Organizations – Teams can be organized as services teams that enable them to move at different paces to release features and not be constrained by the slowest, most complex components any feature at all. A cloud-native platform should make it easy to work with Microservices. Need Backing Services - Need to provide extensibility to applications to be able to consume new services – whether native or external, single tenant or shared
- Apps today demand rapidity, simplicity, reliability and scalability of deployment. Collectively, these features are equated with being a “cloud-native” application because they capture the best qualities of cloud: simplicity, speed, scale and reliability. The 12-Factor App approach is a collection of emergent best practices that facilitate the creation of cloud-native applications. Thus, it would be desirable for a platform to make it easy to deploy and manage 12-factor apps. 12-Factor App – some of the best practices can be translated into platform features and workflow requirements Backing Services – Services Processes – Containers Dev/Prod Parity – Inherent feature; can deploy both development and production workloads; same tooling and behavior. Build/Release/Run – enforced via buildpack, droplet staging, and cloud controller/health monitor model If you do develop such a platform, it yields support for cloud-native apps that are easily scalable and reliable because processes are independent, stateless and dispoable/fungible
- Must support various languages with ease Must support various runtimes with ease Not just current technologies – but a framework that can support future technologies through extension
- Rare is the scenario that we need to develop once and never move. Some components are better off in one place whereas others are better off elsewhere, e.g. due to latency. New dependencies are created Better platforms come up Some workloads are better in a public cloud; Others are better on premise Do we want to deal with migration friction?
- Availability - The need to avoid downtime is critical. And it must be supported at many levels. Platform enabled availability – platform should detect loss and take remedial action (directly or indirectly by informing). Levels: AZ, containers, VMs, health monitor redundancy Adaptive Scaling – Variable workloads cannot be predicted, and hence scalability should be adaptive rather than prescriptive. Avoid pre-provisioning. Scale fast. The platform should detect demand in real-time and intelligently provision additional resources. Similarly, it should “spin down” when no longer required. Thus the platform can pool resources to achieve maximum utilization across multiple workloads. Security – The platform should provide a means to secure the apps from multiple threats, e.g. external threats (reduce surface area of attack), from other apps (isolation), from users (security policies, roles, etc.). Update Management – The platform should make it easy to deploy new functionality incrementally to a few users, while still enabling reversion to a prior version. The platform should have rich monitoring capabilities, e.g. logs, performance, etc.
- A platform should understand and support an organizational context comprised of multiple, collaborating organizations/users with different requirements for security, resources, etc. Support multi-tenant context Notion of workspaces, roles that can support chargebacks… Encapsulate and enforce a framework – A single platform, mutliple deploys allows standardization and repeatability which is valued in org. contexts. A focal point for enterprise workflows. Handle multiple contexts with ease and elegance – allow the platform to adapt to different requirements in different contexts using a framework that supports extensibility, e.g. buildpacks
- Given our increasing focus on software delivered as a service, DevOps has assumed a greater importance. A single, well-defined platform should support DevOps by: Multiple deploys – supporting multiple instances/deploys (dev/test/prod) of an application so it can move through CI/CD pipeline Support Dev/Prod parity – so there is less translation friction and delay in moving from dev to production Encourage shared culture – if everyone uses the same tools and is constrained by the same rules, then they are likely to share the same processes, culture and vocabulary to make DevOps collaboration easier
- Could you build a platform with these capabilities? Probably. But, do you want to? Some questions to consider: Is building a platform your business? How much money do you have? How lucky do you feel? And most importantly how much time do you have? Unicorns did it out of necessity…are you in the same situation? Not really…there’s this thing called Cloud Foundry. It represents iPhone experience A Cloud-Native Platform An opinion (opinionated cloud platform)
- Open source software offers true community-driven outcomes. Cloud Foundry is guided by a foundation with leading companies as members. Cloud Foundry Foundation has 40 (and growing) companies that participate in the community with a vested interest in a platform that continues to grow and meet customer needs, now and in the future.
- Discuss 1 or 2 customer stories. See CF Summit 2015 videos. Humana (Digital Experience Center) Risk averse healthcare insurer, 50+ years old 2 months to obtain server provisioning Delivered apple watch app within 5 weeks by team of 4; launched on day of apple watch launch; for all users, not just customers; listed in MacWorld top 20 apps alongside Uber, EverNote (unicorns) “Cue by Humana” app Rethinking their own industry reminds you to do simply healthy things, e.g. drink water, walk around, etc. AllState Risk averse company Went from deploying servers in 100 days to minutes of self-serve Release fast, fix bugs fast Competing with Google Not a cost argument; it’s an opportunity argument Can now go global overnight, not just be U.S. focused. No longer technology constrained. Technology drives the business empowers to business to pursue new opportunities