Merge pull request #456 from aveshagarwal/ae-ansible-merge-container

AE->OSO ansible merge: ansible in container

Dockerfile

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+FROM rhel7
+
+MAINTAINER Aaron Weitekamp <aweiteka@redhat.com>
+
+RUN yum -y install http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+
+# Not sure if all of these packages are necessary
+# only git and ansible are known requirements
+RUN yum install -y --enablerepo rhel-7-server-extras-rpms net-tools bind-utils git ansible
+
+ADD ./  /opt/openshift-ansible/
+
+ENTRYPOINT ["/usr/bin/ansible-playbook"]
+
+CMD ["/opt/openshift-ansible/playbooks/byo/config.yml"]
+
+LABEL RUN docker run -it --rm --privileged --net=host -v ~/.ssh:/root/.ssh -v /etc/ansible:/etc/ansible --name NAME -e NAME=NAME -e IMAGE=IMAGE IMAGE

README_ANSIBLE_CONTAINER.md

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+# Running ansible in a docker container
+* Building ansible container:
+
+  ```sh
+  git clone https://github.com/openshift/openshift-ansible.git
+  cd openshift-ansible
+  docker build --rm -t ansible .
+  ```
+* Create /etc/ansible directory on the host machine and copy inventory file (hosts) into it.
+* Copy ssh public key of the host machine to master and nodes machines in the cluster.
+* Running the ansible container:
+
+  ```sh
+  docker run -it --rm --privileged --net=host -v ~/.ssh:/root/.ssh -v /etc/ansible:/etc/ansible ansible
+  ```