Run Command Inside of Docker Container Using Ansible

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After discussion with some very helpful developers on the ansible github project, a better way to do this is like so:

- name: add container to inventory
  add_host:
    name: [container-name]
    ansible_connection: docker
  changed_when: false

- name: run command in container
  delegate_to: [container-name]
  raw: bash

If you have python installed in your image, you can use the command module or any other module instead of raw.

If you want to do this on a remote docker host, add:

ansible_docker_extra_args: "-H=tcp://[docker-host]:[api port]"

to the add_host block.

See the Ansible documentation for a more complete example.

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