The document discusses different approaches to integrating Docker with OpenNebula including using Docker as a hypervisor, distributing OpenNebula in Docker containers, and integrating Docker Machine with OpenNebula. It recommends integrating Docker Machine with OpenNebula to allow deploying and managing Docker hosts transparently on OpenNebula. Details are provided on requirements, available images, and usage of the Docker Machine OpenNebula driver plugin to deploy and switch between Docker hosts on OpenNebula. A demo is available and OneFlow integration with Docker Swarm clusters is also mentioned as a work in progress. The presentation concludes by asking for feedback on envisioned Docker and OpenNebula integration approaches.

1. Docker Machine and Swarm on
OpenNebula
Javi Fontán
OpenNebula Project Engineer
© OpenNebula Project. Creative Commons Attribution-NonCommercial-ShareAlike License

2. Docker and OpenNebula
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3. © OpenNebula Systems SL
#1 - Docker Hypervisor
Docker as a Hypervisor
OpenNebula VM ⇔ Docker…
But, what happens with the Docker Catalog?
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#2 - Distribute OpenNebula in Docker
Distribute OpenNebula in Docker
Solves many packaging problems...
But it creates a lot of new ones!
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#3 - Docker-Machine + OpenNebula
Integrate with Docker-Machine
Use OpenNebula transparently to deploy your
Docker host.
Switch between your docker hosts.
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#3 - Docker-Machine + OpenNebula - Understand
Docker-Machine Purpose
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Docker Client
Public Cloud

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#3 - Docker-Machine + OpenNebula - Images
Boot2Docker
Lightweight Linux distribution based on Tiny
Core Linux made specifically to run Docker
containers.
http://boot2docker.io
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#3 - Docker-Machine + OpenNebula - Requirements
Requirements
● Desktop/Laptop access to OpenNebula CLI
● Image for Docker Engine
○ https://github.com/docker/machine/blob/master/docs/drivers/os-
base.md
○ http://docs.opennebula.
org/stable/user/virtual_machine_setup/bcont.html
● Network for the Docker Engines
● Install Docker Machine
● Install OpenNebula Docker Machine driver plugin:
○ https://github.com/OpenNebula/docker-machine-
opennebula/blob/master/README.md
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9. #3 - Docker-Machine + OpenNebula - You can try it out
Demo
https://github.com/OpenNebula/
docker-machine-opennebula

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#3 - Docker-Machine + OpenNebula - Usage I/II
Usage
● --opennebula-template-name: Name of the Template
● --opennebula-template-id: ID of the Template to use
● --opennebula-cpu: CPU value for the VM
● --opennebula-dev-prefix: Dev prefix to use for the images: 'vd', 'sd',
● --opennebula-disk-resize: Size of disk for VM in MB
● --opennebula-image-id: Image ID to use as the OS
● --opennebula-image-name: Image to use as the OS
● --opennebula-image-owner: Owner of the image to use as the OS
● --opennebula-memory: Size of memory for VM in MB
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#3 - Docker-Machine + OpenNebula - Usage II/II
Usage (cont.)
● --opennebula-network-id: Network ID to connect the machine to
● --opennebula-network-name: Network to connect the machine to
● --opennebula-network-: User ID of the Network to connect the machine to
● --opennebula-ssh-user: Set the name of the SSH user
● --opennebula-vcpu: VCPUs for the VM
● --opennebula-disable-vnc: VNC is enabled by default.
● --opennebula-b2d-size: Size of the Volatile disk in MB (only for b2d)
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#4 - OneFlow + Docker - Overview
Docker Swarm
Cluster of docker containers
Elasticity policy managed by OneFlow
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#4 - OneFlow + Docker - Understand
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#4 - OneFlow + Docker - Demo
Demo Docker Swarm
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Summary
1. Docker as a hypervisor ⇒ NO
2. Distribute OpenNebula in Docker ⇒ NO
3. Integrate with Docker-Machine ⇒ YES
4. OneFlow + Docker ⇒ WIP
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What do you think?
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?
What integration did you have in mind?
How do you use docker and how do you envision
its integration with OpenNebula?
Is there any other you-should-absolutely-integrate-
with-this-project we are missing?

17. 25 - 27 October 2016
in BARCELONA
OpenNebulaCONFERENCE
4th
edition
OpenNebula.org
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