Docker Machine and Swarm on OpenNebula

Jaime MelisOpenNebula Project Engineer

© OpenNebula Project. Creative Commons Attribution-NonCommercial-ShareAlike License

Docker and OpenNebula

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#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

o https://github.com/docker/machine/blob/master/docs/drivers/os-base.md

o 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:

o https://github.com/OpenNebula/docker-machine-opennebula/blob/master/README.md

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#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 13

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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? 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?

25 - 27 October 2016in BARCELONA

OpenNebula CONFERENCE

4th edition

OpenNebula.org

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