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TechDay - April - OpenNebula and Docker
- 1. Docker Machine and Swarm on
OpenNebula
Javi Fontán
OpenNebula Project Engineer
© OpenNebula Project. Creative Commons Attribution-NonCommercial-ShareAlike License
- 3. © OpenNebula Systems SL
#1 - Docker Hypervisor
Docker as a Hypervisor
OpenNebula VM ⇔ Docker…
But, what happens with the Docker Catalog?
3
- 4. © OpenNebula Systems SL
#2 - Distribute OpenNebula in Docker
Distribute OpenNebula in Docker
Solves many packaging problems...
But it creates a lot of new ones!
4
- 5. © OpenNebula Systems SL
#3 - Docker-Machine + OpenNebula
Integrate with Docker-Machine
Use OpenNebula transparently to deploy your
Docker host.
Switch between your docker hosts.
5
- 6. © OpenNebula Systems SL
#3 - Docker-Machine + OpenNebula - Understand
Docker-Machine Purpose
6
Docker Client
Public Cloud
- 7. © OpenNebula Systems SL
#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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- 8. © OpenNebula Systems SL
#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
- 10. © OpenNebula Systems SL
#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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- 11. © OpenNebula Systems SL
#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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- 12. © OpenNebula Systems SL
#4 - OneFlow + Docker - Overview
Docker Swarm
Cluster of docker containers
Elasticity policy managed by OneFlow
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- 15. © OpenNebula Systems SL
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?
16
?
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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