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OpenNebula LXD Overview

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A high-level overview of OpenNebula's support for LXD containers, how to use them, and what the benefits are for doing so.

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OpenNebula LXD Overview

  1. 1. #OpenNebulaTechDay OpenNebula LXD
  2. 2. OpenNebula LXD Support What is LXD Containers in OpenNebula LXD/LXC Containers ● Infrastructure containers ● High density linux based appliances ● Leverage all the upper orchestration functionality including: ○ Authorization & Authentication ○ Scheduling ○ Provisioning schemes ○ Other subsystems, networking & storage ○ Tools (Context, Flow, etc…)
  3. 3. OpenNebula LXD Support OpenNebula & LXD Storage LXD node (OpenNebula Host) Storage Mappers File: raw & qcow2 RBD: ceph Container LXD service (REST API) Container Container Container OpenNebula VMM drivers rootfs maps disk.i maps System Datastore Image Datastore Linuxcontainers.org MarketPlace KVM disk images Container images ● Any OpenNebula TM/DM driver. ● Follow Image semantics ● Disk Operations
  4. 4. OpenNebula LXD Support OpenNebula & LXD Networking LXD node (OpenNebula Host) Container LXD service (REST API) Container Container Container OpenNebula VNET VXLAN, 802.1Q,... Bridge tun/tap NIC ● Linux Bridge Drivers ● 802.1Q, VXLAN, Bridged ● Security Groups ● Context support
  5. 5. OpenNebula LXD Support OpenNebula & LXD Virtualization LXD node (OpenNebula Host) Container LXD service (REST API) Container Container Container VNC control daemon ● Handles incoming connections ● Creates VNC terminals on connection Supported Actions attach/detach disk attach/detach NIC cancel deploy poll reboot/reset shutdown Not Supported in 5.8 migrate save/restore snapshot_* resize_disk VNC terminal VNC terminal VNC terminal VNC terminal
  6. 6. OpenNebula LXD Support Future Plans The Good Stuff ™ ● Moar mappers ● Further Sunstone integration ● Stabilize code base, wide array of combinations ● … docker, can run inside LXD $ onevm list ID USER GROUP NAME STAT UCPU UMEM HOST TIME 5 oneadmin oneadmin bionic-lxd runn 0.0 0K lxd1 0d 00h24 2 oneadmin oneadmin lxd1 runn 1.0 1G server 0d 01h41 root@lxd1:~# lxc list +-------+---------+----------------------+------+------------+-----------+ | NAME | STATE | IPV4 | IPV6 | TYPE | SNAPSHOTS | +-------+---------+----------------------+------+------------+-----------+ | one-5 | RUNNING | 172.17.0.1 (docker0) | | PERSISTENT | 0 | | | | 10.3.3.200 (eth0) | | | | +-------+---------+----------------------+------+------------+-----------+ root@bionic-lxd:~# docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 6bab5e640190 nginx "nginx -g 'daemon of…" 7 minutes ago Up 7 minutes http BARE METAL KVM LXD Docker
  7. 7. THANKS! OpenNebula TechDay Barcelona 2019

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