containers rise, why openstack needs kubernetes

Containers raise, Why OpenStack needs Kubernetes

HELLO!I am Obed N MunozI am here because I love to give presentations. You can find me at @obedmr

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What is this about?» Containers, why now?

» Containers Orchestration

» Containers in OpenStack

» OpenStack on Containers

» Containers challenges

» Extra bonus: Clear Containers

» Q/A

1.Containers, why now?They have been there from a long time

A brief history of containers

Unix V7Chroot sys call was introduced

FreeBSDJails

Start of VPS

Solaris Containers

Open Virtuzzo

Process Containers

Linux Containers

Warden

LMCTFYLet me Contain that for you

The rise of Containers

http://blog.aquasec.com/a-brief-history-of-containers-from-1970s-chroot-to-docker-2016

2.Containers OrchestrationAn approach for Platform as a Service (PaaS)

Containers Orchestration

» Kubernetes» Cloud Foundry» OpenShift» Mesos» Docker Swarm

Containers Orchestration

» Kubernetes» Cloud Foundry» OpenShift» Mesos» Docker Swarm

➔ Automatic binpacking➔ Horizontal scaling➔ Automated rollouts and rollbacks➔ Self healing➔ Service discovery and load balancing➔ Secret and Configuration management➔ Storage orchestration➔ Batch execution

Containers Orchestration

» Kubernetes» Cloud Foundry» OpenShift» Mesos» Docker Swarm

Containers Orchestration

» Kubernetes» Cloud Foundry» OpenShift» Mesos» Docker Swarm

Containers Orchestration

» Kubernetes» Cloud Foundry» OpenShift» Mesos» Docker Swarm

Containers Orchestration

» Kubernetes» Cloud Foundry» OpenShift» Mesos» Docker Swarm

3.Containers in OpenStackLet’s start with the first set of slides

Containers in OpenStack - Magnum

Zun (ex. Higgins)

Nova Docker

4.OpenStack on ContainersLet’s start with the first set of slides

Kolla Ansible

Kolla Kubernetes

OpenStack Helm

5.Containers ChallengesLet’s start with the first set of slides

Containers Challenges in OpenStack» Security» Storage» Networking» Standardization (Governance)

6.Extra Bonus: Clear ContainersLet’s start with the first set of slides

The Client Apps Revolution

■ From Complex Applications to a set of Apps

Clear Containers

From "pets" to "cattle"Clear Containers

Integrated email, calendar, todo

and address book server application

Traditional ModelClear Containers

Integrated email, calendar, to-do

and address book server application

Empowered Cloud with ContainersClear Containers

What if we scale it up?Clear Containers

1 million+ servers

1000+ containersper server

+ .....=

MotivationClear Containers

• Speed• Fast create, update, uninstall cycle• Request and provision in (milli)seconds, not weeks

• Reduced Complexity• Containers leave Mega applications in the dust in terms of

management complexity

• Security & Privacy• Complex applications and systems are harder to make secure

Linux Kernel Containers 1/2: Resource Allocation

Clear Containers

Middleware

App

CGROUP A

Middleware

App

Middle

ware

App

50% CPU20% Memory10% Disk

30% CPU60% Memory40% Disk

20% CPU20% Memory50% Disk

App

Middle

ware

CGROUP B CGROUP C

Separation in visibility betweendifferent containers via “namespaces”

Linux Kernel Containers 2/2: Isolation

Clear Containers

App Containers, the cool way ..

Clear Containers

App Containers, what about bugs?

Clear Containers

Secure Containers ApproachChanging the course with Clear Linux*

Key Components Clear Containers

■ Hardware acceleration and security■ Efficient hypervisor■ Optimised Linux* kernel ■ Fast userspace■ Integration Tooling

Handy Links

Clear Containers

https://clearlinux.org/documentation/clear-containers/clear-containers.html

CoreOS

https://coreos.com/tectonic/

Mesos

http://mesos.apache.org/

govm

https://github.com/verbacious/govm

History of Containershttp://blog.aquasec.com/a-brief-history-of-containers-from-1970s-chroot-to-docker-2016

OpenStack Magnum

https://wiki.openstack.org/wiki/Magnum

OpenStack Helm

https://github.com/openstack/openstack-helm

OpenStack Kolla

https://wiki.openstack.org/wiki/Kolla

OpenStack Zun

https://wiki.openstack.org/wiki/Zun

Rancher OS

http://rancher.com/rancher-os/

Kubernetes

https://kubernetes.io/

Questions?I'll try to do my best, if I don't know, Google is your friend.

THANKS!Any questions?You can find me at

» @obedmr» obed.n.munoz@gmail.com