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@rstarmer @kumulustech
Containers aren't just for
Applications
The OpenStack easy button with
Kubernetes and Docker
@rstarmer @kumulustech
Your Speaker
Working on/with OpenStack since Bexar
Summit (2012)
Automating systems since 1995
Certified OpenStack Administrator
Founder of Kumulus Technologies: Enable
Cloud for Enterprise
@rstarmer @kumulustech
Agenda
Deploying OpenStack is Hard
Packaging, Upgrades, HA
Containers to the Rescue
Simplified Packaging, Upgradeability
Need a little more than just containers?
Kubernetes and Helm for HA and modeling
@rstarmer @kumulustech
Why is OpenStack so hard?
So many parts - 6 core, tens’ in the tent
Dozens of required dependent resources per service
Networks/Storage are never the same (why complex)
Upgrades are difficult (though they’re much better)
@rstarmer @kumulustech
What do we need to fix this?
Better management of the codebase/packaging/
deployment consistency
Code management for upgrade consistency, and
flexible upgrades
KISS principal application, critical for functional
networks, storage, etc.
@rstarmer @kumulustech
Containers in Brief
Container == linux process container (app + libraries)
Container Image == file system containing ^^
Containers != VM (not even really a micro-VM)
Container Engine == Docker, LXC, Rkt, etc.
Container Operating Environment == Kubernetes,
Swarm, etc.
@rstarmer @kumulustech
Containers to the rescue
Process segregation is what containers do
Packaging made simple, everything is ‘pre-installed’ in a
container image
Install time is reduced, upgrade time (and downgrade if
necessary) can be made very short
Containers change the lifecycle management
@rstarmer @kumulustech
Not a complete panacea
Containers address the individual process service
Need to be managed/controlled just like VMs/
applications
Still need an HA/Scale management service
Still need networking, distributed storage
@rstarmer @kumulustech
Kubernetes to the Rescue
Container Operating Environment,
Supports distribution of scale components
Provides a load balancing model
Provides a persistent storage solution
Enables simple networking
Helm - Like HEAT for Kubernetes
@rstarmer @kumulustech
Tools of the Trade
OpenStack Kolla Project
Kolla - Build Docker Containers
Kolla-Ansible - Deploy/Configure with Ansible
Kolla-Kubernetes - Helm Micro-service Charts
Manageable OpenStack in Minutes, not days
Don’t forget: Keep it Simple/Stupid
@rstarmer @kumulustech
Kubernetes and OpenStack
Enterprises need containers (app dev requiremnet)
Enterprises still need bare metal,and VM services
So:
Kubernetes
under OpenStack
deploying Kubernetes
@rstarmer @kumulustech
More from Kumulus Tech
Newsletter: https://kumul.us/newsletter
5 Minutes of Cloud: https://youtube.com/
fiveminutesofcloud
Technology Education: https://kumul.us/educate
Twitter, Facebook, LinkedIn
@rstarmer @kumulustech
Q&A

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Containers aren't just for Applications - The OpenStack easy button with Kubernetes and Docker - Robert Starmer, Kumulus Networks

  • 1. @rstarmer @kumulustech Containers aren't just for Applications The OpenStack easy button with Kubernetes and Docker
  • 2. @rstarmer @kumulustech Your Speaker Working on/with OpenStack since Bexar Summit (2012) Automating systems since 1995 Certified OpenStack Administrator Founder of Kumulus Technologies: Enable Cloud for Enterprise
  • 3. @rstarmer @kumulustech Agenda Deploying OpenStack is Hard Packaging, Upgrades, HA Containers to the Rescue Simplified Packaging, Upgradeability Need a little more than just containers? Kubernetes and Helm for HA and modeling
  • 4. @rstarmer @kumulustech Why is OpenStack so hard? So many parts - 6 core, tens’ in the tent Dozens of required dependent resources per service Networks/Storage are never the same (why complex) Upgrades are difficult (though they’re much better)
  • 5. @rstarmer @kumulustech What do we need to fix this? Better management of the codebase/packaging/ deployment consistency Code management for upgrade consistency, and flexible upgrades KISS principal application, critical for functional networks, storage, etc.
  • 6. @rstarmer @kumulustech Containers in Brief Container == linux process container (app + libraries) Container Image == file system containing ^^ Containers != VM (not even really a micro-VM) Container Engine == Docker, LXC, Rkt, etc. Container Operating Environment == Kubernetes, Swarm, etc.
  • 7. @rstarmer @kumulustech Containers to the rescue Process segregation is what containers do Packaging made simple, everything is ‘pre-installed’ in a container image Install time is reduced, upgrade time (and downgrade if necessary) can be made very short Containers change the lifecycle management
  • 8. @rstarmer @kumulustech Not a complete panacea Containers address the individual process service Need to be managed/controlled just like VMs/ applications Still need an HA/Scale management service Still need networking, distributed storage
  • 9. @rstarmer @kumulustech Kubernetes to the Rescue Container Operating Environment, Supports distribution of scale components Provides a load balancing model Provides a persistent storage solution Enables simple networking Helm - Like HEAT for Kubernetes
  • 10. @rstarmer @kumulustech Tools of the Trade OpenStack Kolla Project Kolla - Build Docker Containers Kolla-Ansible - Deploy/Configure with Ansible Kolla-Kubernetes - Helm Micro-service Charts Manageable OpenStack in Minutes, not days Don’t forget: Keep it Simple/Stupid
  • 11. @rstarmer @kumulustech Kubernetes and OpenStack Enterprises need containers (app dev requiremnet) Enterprises still need bare metal,and VM services So: Kubernetes under OpenStack deploying Kubernetes
  • 12. @rstarmer @kumulustech More from Kumulus Tech Newsletter: https://kumul.us/newsletter 5 Minutes of Cloud: https://youtube.com/ fiveminutesofcloud Technology Education: https://kumul.us/educate Twitter, Facebook, LinkedIn