Merge "Updating getting started docs"

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Jenkins 2015-10-22 10:47:46 +00:00 committed by Gerrit Code Review
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Getting started
===============
Content coming soon. It's a bit difficult to add in this role into
openstack-ansible at the moment but that's being fixed soon.
`This role is still a work in progress. These instructions are subject to
change frequently until the development work is feature complete.`
The openstack-ansible-security role can be used along with the
`openstack-ansible`_ project or as a standalone role that can be used along
with other Ansible playbooks.
Using with openstack-ansible
----------------------------
This portion of the guide assumes that openstack-ansible is already cloned
into ``/opt/openstack-ansible`` and it has been properly configured. Start by
cloning openstack-ansible-security into Ansible's default role location::
git clone https://github.com/openstack/openstack-ansible-security \
/etc/ansible/roles/openstack-ansible-security
Before getting started, review the ``defaults/main.yml`` file from the
openstack-ansible-security repository. There are some documented options there
for changes which may require opt-in or opt-out configuration. Some options
can be adjusted depending on the security level of a particular environment.
Create a directory to hold an Ansible configuration file and a small playbook::
mkdir /opt/openstack-ansible-security
cd /opt/openstack-ansible-security
Create a small Ansible playbook at
``/opt/openstack-ansible-security/os-security.yml``:
.. code-block:: yaml
---
- name: Run openstack-ansible-security
hosts: "{{ host_group|default('hosts') }}"
user: root
roles:
- openstack-ansible-security
Add an Ansible configuration file so that your playbook can use
openstack-ansible's dynamic inventory. Create a new file at
``/opt/openstack-ansible-security/ansible.cfg``::
[defaults]
gathering = smart
host_key_checking = False
# SSH timeout
timeout = 120
# Set the path to the folder in openstack-ansible which holds the dynamic
# inventory script - new config setting for ansible v1.9 and above
inventory = ../openstack-ansible/playbooks/inventory/
# Set the path to the folder in openstack-ansible which holds the dynamic
# inventory script - uncomment if using ansible below v1.9
#hostfile = ../openstack-ansible/playbooks/inventory/
# Set the path to the folder in openstack-ansible which holds the
# libraries required
library = ../openstack-ansible/playbooks/library/
# Set the path to the folder in openstack-ansible which holds the
# lookup plugins required
lookup_plugins = ../openstack-ansible/playbooks/plugins/lookups/
# Set the path to the folder in openstack-ansible which holds the filter
# plugins required
filter_plugins = ../openstack-ansible/playbooks/plugins/filters/
# Set the path to the folder in openstack-ansible which holds the action
# plugins required
action_plugins = ../openstack-ansible/playbooks/plugins/actions/
[ssh_connection]
pipelining = True
Run the playbook::
cd /opt/openstack-ansible-security/
openstack-ansible os-security.yml
There are lots of tags throughout the tasks in the role that will allow
deployers to select certain tasks or groups of tasks to run. For example, just
the ``auditd`` improvements can be deployed by using the appropriate tag::
openstack-ansible os-security.yml -t auditd
.. _openstack-ansible: https://github.com/openstack/openstack-ansible/
Using as a standalone role
--------------------------
There are several options for using openstack-ansible-security as a standalone
role or along with another existing project. Here are two fairly easy methods:
* Add openstack-ansible-security as a git submodule in the roles directory
of an existing Ansible project
* Clone the role into ``/etc/ansible/roles/`` on any system and write a custom
playbook and hosts inventory file
The playbook for openstack-ansible-security can be fairly simple, depending
on the configuration of the systems:
.. code-block:: yaml
---
- name: Run openstack-ansible-security
hosts: webservers
user: root
roles:
- openstack-ansible-security
This playbook will run the tasks in the openstack-ansible-security role against
all hosts in the ``webservers`` group (as defined in an inventory file).

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Security hardening for openstack-ansible
========================================
`Work in progress -- this role is in the early stages of development.`
The openstack-ansible-security role provides security hardening for `OpenStack`_
environments deployed with `openstack-ansible`_. The role has multiple goals: