OpenStack and Containers
Download as PPTX, PDF1 like2,184 views
Lachlan Evenson discusses Lithium's journey to deploying containers on OpenStack. They initially ran Kubernetes clusters on OpenStack VMs using static routing for connectivity. Later, they utilized the OpenStack SDN, OpenContrail, to provide networking for Kubernetes, allowing the clusters to run on VMs using the SDN. Evenson outlines their strategy of incrementally adopting containers while maintaining stability, and how building cloud-native applications required changing their thinking and tooling around standardized deployments. Their current state includes Kubernetes on OpenStack with OpenContrail networking and a standardized microservices deployment pipeline.
OpenStack and Containers
- 1. OpenStack and Containers Lachlan Evenson Team Lead, Cloud Platform – Lithium Technologies @LachlanEvenson
- 2. AGENDA Share how Lithium deployed Containers on OpenStack and hopefully provide a pattern that can be followed for your journey. 2
- 3. OUR JOURNEY TO CONTAINERS • Cloud-platform running on OpenStack and AWS • Microservices • DevOps 3
- 4. WHY CONTAINERS AND OPENSTACK? • OpenStack provides a stable platform to innovate. • OpenStack bridged gaps in the container story. Lithium | Klout - Confidential4
- 5. HERE’S WHAT WE DIDN’T WANT TO HAPPEN 5
- 6. THE RIGHT TECHNOLOGY AT THE RIGHT TIME • No one ever got fired for running VMs • Who doesn’t love whales? • You know your work loads • There isn’t a problem. Why are we doing this? 6
- 7. THE CONTAINER VALUE PROP • Developer productivity • Portable • Multi-cloud deployments • Lightweight orchestration 7
- 8. 8
- 10. CONTAINER STRATEGY • Leave the monolith alone • Staying in the “success zone” • Overlay container orchestration on OpenStack and AWS • Had to address container security 10
- 11. BUILDING CLOUD-NATIVE APPLICATIONS • Containers demanded a change in thinking • Tooling • Standardized deployments 11
- 12. CURRENT STATE OF PLAY • Kubernetes on OpenStack • Standard microservice deployment pipeline • Moving workloads - The big payoff is coming • CI/CD pipeline overhaul • Multi-cloud • Happy Developers 12
- 13. HERE’S HOW WE DID IT • First iteration was Kubernetes cluster on Openstack VMs using static routing to deliver cluster connectivity. • This provided a cluster that developers can deploy apps to and network connectivity to allow external access to the cluster. Lithium | Klout - Confidential13
- 14. BOLTING IT ALL TOGETHER – STATIC ROUTING Lithium | Klout - Confidential14
- 15. GREAT! IS THAT ALL? • How about we utilize the same SDN that powers our Openstack to run out Kubernetes networking? • Kubernetes cluster running on Openstack VMs using OpenContrail as the SDN. • http://superuser.openstack.org/articles/kubernetes -and-openstack-multi-cloud-networking Lithium | Klout - Confidential15
- 16. KUBERNETES ON OPENSTACK WITH OPENCONTRAIL Lithium | Klout - Confidential16
- 17. AS PROMISED • Here’s how I built it • http://bit.ly/k8s-openstack • http://bit.ly/k8s-contrail Lithium | Klout - Confidential17
- 18. FUTURE STATE • Containerize all the things? • Stick with Docker? • Libnetwork/CNI? • Persistent storage? • Kubernetes, Mesos? • PaaS? OpenShift? 18
- 19. DEAD BODIES • The Docker problem • Workflow disruption • Complexity shifts back to Ops 19
- 20. OPENSTACK AND CONTAINERS • Magnum • Kuryr Lithium | Klout - Confidential20
- 21. WISH LIST • I would like to use OpenStack APIs to provide networking, storage, images. • Provide persistent container storage via Cinder. • Make Glance/Swift a container registry. • Container registry as a service. Lithium | Klout - Confidential21
- 22. DEMO • Hope this works. 22