Options for running Kubernetes at scale across multiple cloud providers
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The document discusses running Kubernetes at scale across multiple cloud providers, highlighting the efficiency and performance advantages of container workloads compared to traditional virtual machines. It addresses the challenges associated with public cloud services, including vendor lock-in, and presents options for Kubernetes deployment, including DIY, managed services, and distributions. Further resources for learning about Kubernetes are also provided.
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Options for running Kubernetes at scale across multiple cloud providers
- 2. 16 – 17 November, SofiaISTACON.ORG Running Kubernetes at Scale Across Multiple Cloud Providers by Iliyan Nenov, Krasimir Semerdzhiev SAP
- 3. 16 – 17 November, SofiaISTACON.ORG Kubernetes 101
- 4. 16 – 17 November, SofiaISTACON.ORG Technology Continues to Evolve. Where Does Your Company Stand Today? Containers Cloud Native Open Source IaaS PaaS Open Source PaaS Virtualiza- tion 2000 2001 2006 2009 2010 2011 Non- Virtualized Hardware 2013 2015 IaaS
- 5. 16 – 17 November, SofiaISTACON.ORG Run anywhere Highly efficient Lightweight Standardized delivery Cloud ready Easy to assemble Dynamically managed Kubernetes 101: The Container Promise
- 6. 16 – 17 November, SofiaISTACON.ORG At the same runtime performance1: containers are deployed faster2 than regular VMs 1 Identical ScoreMark performance measured for Native + Docker + KVM 2 Start time: 50ms vs 30-45 sec; Stop time: 50ms vs 5-10 sec Source: https://www.slideshare.net/Flux7Labs/performance-of-docker-vs-vms 900x Kubernetes 101: The Container Promise
- 7. 16 – 17 November, SofiaISTACON.ORG Kubernetes 101: The Container Promise Running container workloads on a container management platform leads to increase1 in annual CPU utilization 1 McKinsey & Co: Transforming global IT infrastructure to capture immediate savings; 5-15% vs 70-85% 6x
- 8. 16 – 17 November, SofiaISTACON.ORG Kubernetes 101: The Container Promise All containers on a host share the same IP address Container management platforms resolve that challenge: IP per container Host (10.10.10.5) Proxy WebApp #1 WebApp #2 :80 :80 :8080 :8081
- 9. 16 – 17 November, SofiaISTACON.ORG Kubernetes 101: Overall Kubernetes Setup
- 10. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma
- 11. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma To Leverage or Not to Leverage You can use the cloud or spend your career catching up…
- 12. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma To Leverage or Not to Leverage Microsoft, Google and AWS: Each is spending more than $10bn a year in infrastructure1 and is releasing features daily. 1 Datacenter Knowledge (Apr, 2017): Equinix spend analysis Fact: Half of the countries in the world have smaller GDP than these companies combined spend on cloud infras
- 13. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma Cloud Services Become a Commodity Source: ilyas-it83.github.io/CloudComparer/ AWS annual new features rundown
- 14. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma Managed Service: Running VMs Experience: Running VM in AWS/Azure Underlying XEN/Hyper-V is: • Installed by AWS/Azure • Managed by AWS/Azure • Updated/Patched by AWS/Azure You really do not want to mess with your hypervisor!
- 15. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma Managed Service: Running VMs Call API to get a VM of the desired size and use it.
- 16. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma Managed Service: AWS EC2 System requirement? > curl https://ec2.amazonaws.com/?Action=RunInstances &ImageId=ami-2ey653421sample &MaxCount=5 &MinCount=2 &Placement.AvailabilityZone=us-east-1a &Monitoring.Enabled=true &AUTHPARAMS
- 17. 16 – 17 November, SofiaISTACON.ORG System requirement? > curl The Public Cloud Dilemma Managed Service: MS Azure VMs "storageProfile": { "imageReference": { "id": "/SID/resourceGroups/providers/Microsoft.Compute/images/sample" }, "osDisk": { "name": "osdisk", "osType": "<Windows or Linux>", "createOption": "fromImage" } }
- 18. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma Next level: Containers & Functions The next frontier of commoditization:
- 19. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma Major Issue: Lock-in (1/4) The 3 stages of Cloud lock-in: 1 3 2 Choosing a platform and adding data Programmatically connecting to the platform Using advanced, proprietary features of the platform Question: Is AWS/Azure/GCP lock-in a bad thing?
- 20. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma Major Issue: Lock-in (2/4) Question: Is AWS/Azure/GCP lock-in a bad thing?
- 21. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma Major Issue: Lock-in (3/4) Simple answer: It depends…
- 22. 16 – 17 November, SofiaISTACON.ORG The Public Cloud Dilemma Major Issue: Lock-in (4/4) Protect the assets that are really critical for the company Look at IaaS, PaaS as powerful value-add enablers. It is extremely hard to compete with hyper-scaled vendors. Leverage them! The crown jewels of an enterprise are its data and code base (apps, algorithms, methodology) which drive differentiation from competitors.
- 23. 16 – 17 November, SofiaISTACON.ORG Options for Cloud Delivery at Scale with Kubernetes
- 24. 16 – 17 November, SofiaISTACON.ORG Kubernetes Options: Many Choices It’s all about portability – that’s the next “VM”. Source: blog.kubernetes.io/2017/10
- 25. 16 – 17 November, SofiaISTACON.ORG Kubernetes Options: #1 Do it Yourself 100% open source – low entry barrier! Source: github.com/kelseyhightower/kubernetes-the-hard-way
- 26. 16 – 17 November, SofiaISTACON.ORG Kubernetes Options: #2 Use a Kubernetes distribution Few questions to consider: • Open Source vs Proprietary • Software vs Managed service • Installed on your resources vs all-in-one • Wide range of pricing models Many options - try to choose among the certified ones!
- 27. 16 – 17 November, SofiaISTACON.ORG Kubernetes Options: #3 Managed Kubernetes Service (1/2) Provided by Azure/Google vs 3rd party company Pricing considerations: • Control plane infrastructure • Workers infrastructure • Updates/Upgrades • 24x7 Operations and Support • Price (per month/cluster) 3rd party vendor managed service included included included included (may be) included? included Cost of VMs Cost of VMs Cost of VMs Cost of min 3 VMs Cost of VMs + $ 0 $ 0 $ 0 Cost of VMs + $ 0 / $ 109.50 (1-6 nodes is free) Cost of VMs + $ varies (models include cores, memory, etc.)
- 28. 16 – 17 November, SofiaISTACON.ORG Kubernetes Options: #3 Managed Kubernetes Service (2/2) System requirements: curl or the corresponding cloud CLI $ az aks create –g aks –n mycluster $ az aks get-credentials –g aks –n mycluster Use kubectl to work with the cluster $ gcloud container clusters create mycluster $ gcloud container clusters get-credentials mycluster $ kubectl get nodes NAME STATUS AGE VERSION aks-agentpool1-125550043-0 Ready 10m v1.8.1 aks-agentpool1-125550043-1 Ready 10m v1.8.1 aks-agentpool1-125550043-2 Ready 10m v1.8.1
- 29. 16 – 17 November, SofiaISTACON.ORG Kubernetes Options: Key Point: Focus on Portability Kubernetes does not address every challenge: • Deliver your software in containers • Consider the end-to-end system setup • On-premise connectivity • Complex network setups Kubernetes is the “new VM” w.r.t. cloud portability
- 30. 16 – 17 November, SofiaISTACON.ORG Further Materials
- 31. 16 – 17 November, SofiaISTACON.ORG Additional resources: Introduction to Kubernetes (Free course) www.cncf.io/announcement/2017/07/10/ linux-foundation-cncf-edx-org-announce-new-free-intro-kubernetes-course/ Kubernetes Fundamentals (LFS258) https://training.linuxfoundation.org/ linux-courses/system-administration-training/kubernetes-fundamentals Certified Kubernetes Administrator (CKA) https://www.cncf.io/certification/expert/ Source: monster.com
- 32. 16 – 17 November, SofiaISTACON.ORG Questions? Iliyan Nenov SAP Cloud Platform @iliyan_nenov Krasimir Semerdzhiev SAP Hybris Cloud Services @evilyeti