Role for creating virtualenvs based on provided parameters.

playbooks/roles/virtualenv/tasks/main.yml

+---
+
+# virtualenv
+#
+# Overview:
+#
+# Creates the edX standard virtual env associated with 
+# a particular service account.  The name of the account, the
+# path to the accounts home directory and the name of the 
+# virtualenv are provided as parameters.
+# 
+# Dependencies:
+#
+#   * common
+# 
+# Example play:
+#
+#   roles:
+#   - common
+#   - role: virtualenv
+#     virtualenv_user: "{{ user }}"
+#     virtualenv_base: "{{ user_home }}"
+#     virtualenv_name: "{{ name }}"
+#
+# Parameters:
+#  
+#   * virtualenv_user
+#   * virtualenv_base
+#   * virtualenv_name
+#
+
+- fail: virtualenv_user required for role
+  when: virtualenv_user is not defined
+
+- fail: virtualenv_base required for role
+  when: virtualenv_base is not defined
+
+- fail: virtualenv_name required for role
+  when: virtualenv_name is not defined
+
+- name: virtualenv | install pre-requisities
+  apt: pkg={{item}} install_recommends=yes state=present update_cache=yes
+  with_items: virtualenv_apt_pkgs
+  tags:
+  - pre_install
+  - install
+
+- name: virtualenv | pip install virtualenv
+  pip: name=virtualenv state=latest
+  with_items: virtualenv_python_pkgs
+  tags:
+  - venv_base
+  - install
+
+- name: virtualenv | create virtualenv directory
+  file: 
+    path="{{ virtualenv_base }}/{{ virtualenv_name }}" owner={{ virtualenv_user }} 
+    group={{ virtualenv_user }}  mode=2775 state=directory
+  sudo: yes
+  sudo_user: "{{ virtualenv_user }}"
+  tags:
+  - venv_base
+  - install
+
+- name: virtualenv | create the virtualenv directory initial contents
+  command: 
+    /usr/local/bin/virtualenv "{{ virtualenv_base }}/{{ virtualenv_name }}" --distribute 
+    creates="{{ virtualenv_base }}/{{ virtualenv_name }}/bin/activate"
+  sudo: yes
+  sudo_user: "{{ virtualenv_user }}"
+  tags:
+  - venv_base
+  - install
+
+- name:  virtualenv | pip install gunicorn
+  pip: 
+    name=gunicorn virtualenv="{{ virtualenv_base }}/{{ virtualenv_name }}" 
+    state=present
+  sudo: yes
+  sudo_user: "{{ virtualenv_user }}"
+  tags:
+  - gunicorn
+  - install
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playbooks/roles/virtualenv/vars/main.yml

+---
+
+virtualenv_apt_pkgs:
+  - python2.7
+  - python-pip
+  - python2.7-dev
+
+virtualenv_python_pkgs:
+  - virtualenv
+  - virtualenvwrapper
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