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An Ansible role to help you test your roles. Automagically create docker containers for each of your inventory hosts. Use your production inventory file to create docker containers for development and test.

Resource	Description
Blog post	Example `provision_docker` uses
.travis.yml	Example TravisCI
Dockerfiles	Curated Docker images with init system (so the `service` module works) and ssh daemon. `chrismeyers/centos6` `chrismeyers/centos7` `chrismeyers/ubuntu12.04` `ubuntu-upstart:14.04`
test/playbook_*.yml role-install_mongod role-ansible_deps role-iptables	Example `provision-docker` projects and uses.

NEW docker_connection

Works with docker for Mac, VirtualBox, VMware Fusion, docker native. Using docker_connection does not require any routing rules.

# inventory
[robots]
optimus image="chrismeyers/ubuntu12.04"
bumblebee image="ubuntu-upstart:14.04"

# test.yml
- name: Bring up docker containers for docker connection inventory iface
  hosts: localhost
  roles:
    - role: provision_docker
      provision_docker_privileged: true,
      provision_docker_inventory_group: "{{ groups['robots'] }}"
      provision_docker_use_docker_connection: true

- hosts: robots
  tasks:
    - name: "Say hello to my new containers"
      ping:

parameter	required	default	choices	comments
provision_docker_image	no	chrismeyers/centos6	chrismeyers/centos6 chrismeyers/centos7 chrismeyers/ubuntu12.04 ubuntu-upstart:14.04 other	Docker image to use when starting the container. The containers listed to the left are special. The init system put back in and ssh is started. This allows for starting/stopping service via the `service` module as well as ssh.
provision_docker_privileged	no	true	true/false	Start Docker container in privileged mode.
provision_docker_inventory_group	no			List of host names that are in the inventory for which to bring up a Docker container. Note that the Docker image that you wish to bring up should be a hostvar associated with the hostname.
provision_docker_inventory	no			List of <name, image> pairs for which to bring up a Docker container.
provision_docker_use_docker_connection	no	false	true/false	Use docker_connection plugin to connect to Docker containers instead of the default ssh.
provision_docker_network	no		Some name from available networks as listed with `$ docker network ls`	Specify the network that the Docker container should connect to.
provision_docker_volumes	no		List of volumes to mount within the container.	Use docker CLI-style syntax: /host:/container[:mode].
provision_docker_volumes_from	no		List of container names or to get volumes from.

Mac OS X + docker-machine + VMware Fusion

sudo /sbin/route -n add -net 172.17.0.0 -netmask 255.255.0.0 -gateway $(docker-machine ip default)

Mac OS X + docker-machine + VirtualBox

provision_docker relies on being able to ssh to containers. Thus, the ip of the container must be accessible (a route must exist). If your using docker toolbox on OS X + virtualbox containers are not routed to the host. Run the below commands to be add a route to the containers in the guest VM.

/usr/sbin/scutil -w State:/Network/Interface/vboxnet0/IPv4 -t 0
sudo /sbin/route -n add -net 172.17.0.0 -netmask 255.255.0.0 -gateway $(docker-machine ip)

The route does not persist across reboots. To persist the changes edit /Library/LaunchDaemons/com.docker.route.plist

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE plist PUBLIC '-//Apple//DTD PLIST 1.0//EN' 'http://www.apple.com/DTDs/PropertyList-1.0.dtd'>
<plist version='1.0'>
<dict>
  <key>Label</key>
  <string>com.docker.route</string>
  <key>ProgramArguments</key>
  <array>
    <string>bash</string>
    <string>-c</string>
    <!-- You need to adapt the vboxnet0 to the interface that suits your setup, use ifconfig to find it -->
    <string>/usr/sbin/scutil -w State:/Network/Interface/vboxnet0/IPv4 -t 0;sudo /sbin/route -n add -net 172.17.0.0 -netmask 255.255.0.0 -gateway 192.168.99.100</string>
  </array>
  <key>KeepAlive</key>
  <false/>
  <key>RunAtLoad</key>
  <true/>
  <key>LaunchOnlyOnce</key>
  <true/>
</dict>
</plist>

Expose and publish ports

Set expose and ports lists in your inventory per container. Checkout the docker_container Ansible module for reference.

Similar Work

Projects Using provision_docker

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