Running containers on Nebula OpenStack (with Kontena) discusses using Kontena, an open source container and microservices platform, to run containers on Nebula OpenStack. Kontena allows running multiple isolated applications on a single host without a hypervisor. The document demonstrates creating a Kontena master on Nebula OpenStack, creating a 3 node grid, deploying a clustered todo application, and scaling the application. It provides an overview of key Kontena features like built-in load balancing, service discovery, private image registry, and logs/metrics aggregation.

1. Running containers
on
Nebula OpenStack
(with Kontena)
Jussi Nummelin, Resident Wharfie
@JNummelin

2. The Past, Present and Future of Computing
© 2016 Kontena, Inc.
INFRA
HOST
OS
APP
INFRA
HOST
OS
APP
INFRA
HOST
OS
APP
INFRA
HOST OS
HYPERVISOR
GUEST
OS
GUEST
OS
GUEST
OS
APP APP APP
INFRA
HOST OS
CONTAINER ENGINE
APP APP APP
Legacy Virtualization Containerization
Year 2014 à

3. What is Containerization?
© 2016 Kontena, Inc.
Light-weight OS level sandboxing of applications
Runs multiple isolated apps on single host without hypervisor
Currently, the hottest trend in datacenter innovation
Next step for optimizing computing resources post VMs
Build and configure once, run anywhere
Ideal for DevOps and modern micro-service architectures
Significant buy-in from both start-ups and large vendors
Packaged Software: MySQL, MongoDB, Redis, NodeJS…
OS Vendors: Microsoft, Apple, Red Hat, SUSE, CoreOS...
Clouds: Amazon, Microsoft, IBM, Rackspace, Google...
Major Users: Netflix, Paypal, eBay, Google, Spotify...

4. What is Kontena?
© 2015 Kontena, Inc.
Open Source container & micro services
platform built to maximize developer
happiness. Works on any cloud, easy to
setup, simple to use.

5. Quick Facts
!850+GITHUB STARGAZERS
>500kNUMBER OF INSTALLS
FEATURED IN

6. Quotes from Community
“You guys have clearly put a heck of a lot of time and thought
into Kontena, it's really pretty cool.”
- thecatwasnot
“Hello! I am looking at Kontena and it looks amazing”
- massimiliano-mantione
“Your project looks amazing, and is exactly what I want.”
- dbones
Source: Kontena Gitter

7. How does it work?
Kontena Grid
A number of physical or virtual machines – Kontena Nodes
– create a Kontena Grid. The nodes may be located
anywhere; in single data center, different AZs or different
cloud providers.
Overlay Network
Kontena will automatically create an overlay network
powered by Weave and connect all nodes of a Grid. Overlay
network enable services to communicate with each other
in multi-host, multi-AZ environment.
Service Discovery
Kontena has a built-in service discovery powered by etcd. It
is used to automatically assign DNS addresses for any
services running in Kontena. It is also used by Kontena’s
load balancer for zero-downtime operation.
Orchestration
Kontena’s orchestrator is distributing, running and
monitoring all Kontena Services in a Grid. Services may be
stateless or stateful, and they are automatically distributed
across Nodes in a Grid.
Containerized Workloads
With Kontena, all containerized workloads are described as
Services. Kontena Service is composed of containers based
on the same image file. Services may be scaled and linked
together to create complex elastic apps.
OS
Docker
Kontena Nodes & Agent
Kontena Agent may be installed to
any machine capable of running
Docker. It is running as a privileged
container in a machine.
Kontena Master
Kontena Master is orchestrating the
entire Kontena system. It provides
APIs used by Kontena CLI, Web UI and
third party integrations.
Kontena Master may be installed as
high-availability setup if needed.

8. All Batteries Included!
Built-In Image Registry
Sometimes projects can not use publicly
hosted container image registries like
DockerHub. Kontena comes with built-in
container image registry providing private and
secure solution.
Built-In VPN Access
All containers are run inside a virtual private
network by default. Nothing is exposed to
Internet unless explicitly defined. With
Kontena’s built-in VPN access developers can
securely access those resources.
Built-In Load Balancer
Kontena comes with built-in load balancer.
Based on Haproxy. It features fully automatic,
zero-downtime operation due to deep
integration with Kontena’s service discovery
and orchestration technology.
Aggregated Stats & Logs
Kontena provides real-time log and statistics
streams containers. The streams may be
grouped and aggregated to produce service
level streams. This allows easy viewing of logs
and statistics for your application CPU,
memory, disk and network usage.
User Management with Audit Trail
All events and actions performed through
Kontena CLI or APIs are logged into audit trail.
Combined with users and access control, the
audit trail support makes Kontena a reliable
and secure solution for any enterprise
deployments.
Built-In Secrets Management
When your application requires access to APIs
or databases, you'll often need to use secrets
such as passwords and access tokens for
authenticating the access. Kontena Vault is a
secure key/value storage that can be used to
manage secrets in Kontena.

9. “Includes all the s**t you don’t want to
implement by yourself”

10. Works on any Infrastructure
© 2015 Kontena, Inc.
Kontena works on any public cloud or in your own private datacenter; hybrid environment,
virtualized or bare metal.

11. Demo Time

12. Demo outline
1. Create Kontena master on Nebula OpenStack
2. Create new 3 node grid
3. Deploy clusterized app
4. Scale the app

13. Helsinki-2
Helsinki-1
Grid
Grid infrastructure setup
© 2016 Kontena, Inc.
Node
1
Node
3
Node
2
Private Network
Public Network
Helsinki-1
Public Network
Helsinki-2
Master
CLI

14. Demo App
Replica-set
Todo-
app
Mongo
db-1
Todo-
app
Mongo
db-2
Todo-
app
Mongo
db-3
LB LB LB(SSL Termination)

15. Our mission is to become
number 1 container &
microservices platform
for developers

16. " info@kontena.io
# @kontenainc
$ slack.kontena.io
! github.com/kontena/kontena
meetup.com/pro/kontena
% www.kontena.io
Stay up to date!

17. We are hiring!
kontena.io/jobs

18. Thank You!
www.kontena.io