OpenStack und Containers
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The document discusses the 2015 Inovex Meetup in Cologne, focusing on OpenStack and containers, including the functionality of Magnum as a Container as a Service (CaaS) API service within OpenStack. It provides an overview of OpenStack as an open-source cloud operating system and reviews the history and characteristics of containers, outlining how Magnum integrates various technologies for managing containerized applications. Additionally, the document covers the architecture of Magnum and introduces Kolla, a project aimed at deploying OpenStack services using Docker containers.
OpenStack und Containers
- 1. Let’s talk about the Cloud Part II : OpenStack and Containers inovex Meetup Cologne 2015, May 27th Arash Kaffamanesh (@kaffamanesh) www.cloudssky.com
- 2. About OpenStack-X Meetup Group ● Founded: April 2014 ● Meetups: 3 ● Stackers: 118 ● Location: Cologne ● Sponsors: ○ RDO Community ○ PLUMgrid ○ Clouds Sky GmbH ○ Still some more places are free ;-) ● Co-Organizers Wanted
- 3. Let’s talk about ... ● OpenStack and Containers o About OpenStack o A Container ... o About Magnum (Demo) o About Kolla o OpenStack needs Containers o Containers need OpenStack (?) o Discussion : Do they need each other?
- 4. About OpenStack ● Open Source Cloud Operating System ● Was initiated by NASA and Rackspace in June 2010 ● Is the largest open source project helping to build private cloud environment or to build public cloud offerings ● OpenStack Foundation founded in 2012 ● Over 1 million lines of code
- 6. The Beauty of OpenStack
- 7. The Reality of OpenStack
- 9. OpenStack Private Cloud aaS http://www.openstack.org/marketplace/hosted-private-clouds/
- 10. OpenStack Public Cloud Providers http://www.openstack.org/marketplace/public-clouds/
- 11. Container History ● 1988: FreeBSD Jail ● 2005: Solaris Zones ● 2005: OpenVZ ● 2008: LXC ● 2013: Docker ● 2014: Rocket ● 2015: Wocker :-)
- 12. A Container ... ● Uses Kernel Namespaces ● Uses Linux Cgroups ● Uses Container Image (e.g. Docker Image) ● Has a Lifecycle ● Is a slice of the Kernel ● Is inexpensive and fast ● Could be unsecure o docker daemon runs as root (libvirt libcontainer) o RKT is daemon less (systemd nspawn)
- 13. A Container ... ● Uses Kernel Namespaces ● Uses Linux Cgroups ● Uses Container Image (e.g. Docker Image) ● Has a Lifecycle ● Is a slice of the Kernel ● Is inexpensive and fast ● Could be unsecure
- 14. About Magnum ● Magnum is an API Service on OpenStack ● Provides CaaS (Containers as a Service) ● Integrates o Heat (Orchestration) o Kubernetes (Cluster Manager, Scheduler) o Docker (Container Manager) o Flannel (Overlay Network) o Keystone and Neutron ● Uses o Micro OSes (Atomic Host, CoreOS, ...) for running Micro Services by Micro Teams :-)
- 15. About Magnum Creators ● Steven Dake (Cisco) ● Adrian Otto (Rackspace)
- 16. Magnum Community
- 17. Magnum Architecture ● There are 7 type of objects in magnum ○ Bay: collection of nodes ○ BayModel: template for bays (define coe) ○ Node: VM or bare-metal running MicroOS ○ Pod: collection of containers ○ Service: abstraction of pods + policy to access pods ○ ReplicationController: manages pods and makes sure a certain number of pods are running ○ Container (a docker container)
- 19. Magnum Resource Bay (K8S Cluster) Source: https://www.openstack.org/summit/vancouver-2015/summit-videos/presentation/magnum-containers-as-a-service-for-openstack
- 20. Magnum Resource Bay (Swarm Cluster) Source: https://www.openstack.org/summit/vancouver-2015/summit-videos/presentation/magnum-containers-as-a-service-for-openstack
- 21. Magnum Roadmap ... (?) ● Ironic Support ● Autoscaling ● Auto-Restarts ● Support for RKT ● RancherOS Support (?)
- 22. It’s Magnum Demo Time
- 28. Magnum has the potential ... ● To become a Magnum Opus ● To provide cloud ready apps and services ● To manage Multi Tenant aware Container Topologies ● To use OpenStack as a first class citizen for container technology ● To help people helping people
- 29. About Kolla ● Containers for OpenStack o Stackforge Project o Docker Container based OpenStack deployment (image based) o Containerizing OpenStack Services o Solves manageability and availability problems o Offers atomic upgrade of a running system with minimal interruption in service (10 seconds)
- 30. Kolla OpenStack Docker Images
- 31. Discussion Let’s talk about ...
- 32. Thank You for Your attention!