qemu-bootstrap

A bootstrap script to pull in the ulexus/qemu docker image, and export it to the host filesystem.

This is a means of working around the packet storm problem of running kvm within a container whose image is housed on rbd and whose network is attached to a host bridge. Instead of using docker for execution, use systemd-nspawn.

This is customized for internal use, so it is probably not fit for public consumption.

new vm notes

1. rbd -p vms create --size <sizeinMB> vm9
2. Create all the necessary etcd keys:

• /kvm/9/ram - RAM to allocate, in MB
• /kvm/9/mac - MAC address
• /kvm/9/rbd - RBD to use (e.g. vms/vm9)
• /kvm/9/spice_port - Port on which SPICE server should bind (5900 + vm instance)

3. Bootstrap the image for installation
4. ssh cc3
5. sudo -i
6. export INSTANCE=9
7. export BRIDGE_IF=public
8. /opt/bin/qemu_wrapper.sh -cdrom rbd:isos/ubuntu-14.04.1
9. Install OS
10. Halt the OS
11. Start with fleet: fleetctl start kvm@9