Add a role to install aws specific tools.

playbooks/roles/aws/defaults/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+##
+# Defaults for role aws
+# 
+
+#
+# vars are namespace with the module name.
+#
+aws_role_name: aws
+
+#
+# OS packages
+#
+
+aws_debian_pkgs:
+  - python-setuptools
+
+aws_pip_pkgs:
+  - https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz
+  - awscli
+
+aws_redhat_pkgs: []

playbooks/roles/aws/handlers/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+#
+#
+# Handlers for role aws
+# 
+# Overview:
+# 
+#

playbooks/roles/aws/meta/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+##
+# Role includes for role aws
+# 
+# Example:
+#
+# dependencies:
+#   - {
+#   role: my_role 
+#   my_role_var0: "foo"
+#   my_role_var1: "bar"
+# }
+dependencies:
+  - common

playbooks/roles/aws/tasks/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+#
+#
+# Tasks for role aws
+# 
+# Overview:
+# 
+#
+# Dependencies:
+#
+# 
+# Example play:
+#
+#
+
+- name: install system packages
+  apt: >
+    pkg={{','.join(aws_debian_pkgs)}}
+    state=present
+    update_cache=yes
+
+- name: install aws python packages
+  pip: >
+    name="{{ item }}" state=present
+    extra_args="-i {{ COMMON_PYPI_MIRROR_URL }}"
+  with_items: aws_pip_pkgs
+

playbooks/run_role.yml

+---
+# Creates a new ansible role
+# Usage:
+#   ansible-playbook ./create_role.yml -i "hostname," -e role=my_awesome_role
+#
+- hosts: all
+  sudo: True
+  gather_facts: False
+  roles:
+    - "{{role}}"