TechDay - April - OpenNebula and Docker
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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.
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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 7
- 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 8
- 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 10
- 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) 11
- 12. © OpenNebula Systems SL #4 - OneFlow + Docker - Overview Docker Swarm Cluster of docker containers Elasticity policy managed by OneFlow 12
- 13. © OpenNebula Systems SL #4 - OneFlow + Docker - Understand 13
- 14. © OpenNebula Systems SL #4 - OneFlow + Docker - Demo Demo Docker Swarm 14
- 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 15
- 16. © OpenNebula Systems SL 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 Platinum Sponsor