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Install and setup docker

Install Docker:

sudo wget -qO- https://get.docker.com/ | sh
docker version
(Ensure Docker version is set to 1.6.x)
sudo usermod -aG docker stack
exit
(Re-login as stack to pick up docker installation)
ssh stack@<YOUR_VM_IP>

Verify Docker

docker run hello-world
(Ensure docker is working properly)

Install Docker Driver

git clone https://git.openstack.org/stackforge/nova-docker /opt/stack/nova-docker
cd /opt/stack/nova-docker
python setup.py install

Update devstack for docker

cd /opt/stack/nova-docker
./contrib/devstack/prepare_devstack.sh
rm -f /opt/stack/devstack/localrc

Update the localrc file in devstack directory (Copy the fopllowing into local.conf in devstack directory and remove localrc file)

[[local|localrc]]
DEST=/opt/stack
ADMIN_PASSWORD=admin
MYSQL_PASSWORD=admin
RABBIT_PASSWORD=admin
SERVICE_TOKEN=admin
SERVICE_PASSWORD=admin
LOGFILE=/opt/stack/logs/stack.log
SCREEN_LOGDIR=/opt/stack/logs
VERBOSE=True

## Controller Host ##
# HOST_IP=<IP ADDRESS>
# MULTI_HOST=1
## Network nova-network ##
FLAT_INTERFACE=eth0
FIXED_RANGE=172.24.17.0/24
FIXED_NETWORK_SIZE=254
FLOATING_RANGE=192.168.1.128/25
# For Docker
VIRT_DRIVER=novadocker.virt.docker.DockerDriver
## Updating Default Services ##
disable_all_services

# core compute (glance / keystone / nova (+ nova-network))
ENABLED_SERVICES=g-api,g-reg,key,n-api,n-crt,n-obj,n-cpu,n-net,n-cond,n-sch,n-novnc,n-xvnc,n-cauth
# cinder
#ENABLED_SERVICES+=,c-sch,c-api,c-vol
# heat
#ENABLED_SERVICES+=,h-eng,h-api,h-api-cfn,h-api-cw
# dashboard
ENABLED_SERVICES+=,horizon
# additional services
ENABLED_SERVICES+=,rabbit,tempest,mysql
# To enable Neutron
#DISABLE_SERVICES=n-net
#ENABLED_SERVICES+=,q-svc,q-agt,q-dhcp,q-l3,q-meta
# Swift Services
#ENABLED_SERVICES+=,s-proxy,s-object,s-container,s-account
#SWIFT_HASH=66a3d6b56c1f479c8b4e70ab5c2000f5
#SWIFT_REPLICAS=1
#SWIFT_DATA_DIR=/opt/stack/data
#
## Logs ##
SCREEN_LOGDIR=/opt/stack/logs/screen
KEYSTONE_TOKEN_FORMAT=PKI
####################
# Branch specifics
####################
CINDER_BRANCH=stable/kilo
GLANCE_BRANCH=stable/kilo
HORIZON_BRANCH=stable/kilo
KEYSTONE_BRANCH=stable/kilo
NOVA_BRANCH=stable/kilo
NEUTRON_BRANCH=stable/kilo

# Introduce glance to docker images
[[post-config|$GLANCE_API_CONF]]
[DEFAULT]
container_formats=ami,ari,aki,bare,ovf,ova,docker

# Configure nova to use the nova-docker driver
[[post-config|$NOVA_CONF]]
[DEFAULT]
compute_driver=novadocker.virt.docker.DockerDriver

Nova Compute Update

vi /opt/stack/nova/nova/compute/hv_type.py
EDIT this file to include docker:

BHYVE = "bhyve"
DOCKER = "docker"
FAKE = "fake"

BHYVE,
DOCKER,
FAKE,

Now Restack:

cd /opt/stack/devstack
HOST_IP=127.0.0.1 ./unstack.sh
HOST_IP=127.0.0.1 ./stack.sh

Docker runtime configuration

(Run the following command - copy till EOF)
sudo tee /etc/nova/rootwrap.d/docker.filters <<EOF
# nova-rootwrap command filters for setting up network in the docker driver
# This file should be owned by (and only-writeable by) the root user
#
[Filters]
#
# nova/virt/docker/driver.py: 'ln', '-sf', '/var/run/netns/.*'
#
ln: CommandFilter, /bin/ln, root
EOF

Update docker images in glance

source /opt/stack/devstack/openrc admin admin

docker pull rastasheep/ubuntu-sshd
docker save rastasheep/ubuntu-sshd | glance image-create --is-public=True --container-format=docker --disk-format=raw --name rastasheep/ubuntu-sshd

docker pull larsks/thttpd
docker save larsks/thttpd | glance image-create --is-public=True --container-format=docker --disk-format=raw --name larsks/thttpd

Test a Container creation

source /opt/stack/devstack/openrc demo demo
glance image-list
nova boot --flavor m1.small --image larsks/thttpd MyWebServerDocker
nova list
curl http://<nova instance IP>