Create virtualenvs

Author: ovv

.travis.yml

@@ -12,6 +12,7 @@ install:
   - python --version
   - ansible --version
   - "printf '[defaults]\nroles_path = ../' > ansible.cfg"
+  - "printf 'requests==2.18.4' > /opt/requirements.txt"
 script:
   - ansible-lint tasks/main.yml
   - ansible-playbook -i tests/inventory --syntax-check --list-tasks tests/test.yml
@@ -23,3 +24,6 @@ script:
     || (echo 'Idempotence test: fail' && exit 1)
   - stat /usr/local/pythonz/pythons/CPython-3.6.2/bin/python
   - stat /usr/local/pythonz/pythons/CPython-3.6.3/bin/python
+  - /opt/test_env/env_1/bin/python --version == 'Python 3.6.1'
+  - /opt/test_env/env_1/bin/pip freeze | grep -q 'requests==2.18.4' && exit 0 || exit 1
+  - /opt/test_env/env_2/bin/python --version == 'Python 3.6.2'

README.md

@@ -14,6 +14,10 @@ Role Variables
 --------------
 
 * `python_versions`: List of valid python 3 versions to install.
+* `virtualenvs`: Dict of virtual environment to create. With keys:
+    * `path`: Virtual environment directory
+    * `version`: Virtual environment python version
+    * `requirements`: Requirements.txt file to install
 * `pythonz_repo`: Git url to the pythonz repository (default to: https://github.com/saghul/pythonz.git)
 * `pythonz_version`: Version of pythonz to download (default to: master)
 
@@ -31,6 +35,14 @@ Example Playbook
   python_versions:
     - "3.6.2"
     - "3.6.3"
+  virtualenvs:
+    env_1:
+      path: /opt/env_1
+      version: "3.6.1"
+      requirements: requirements.txt
+    env_2:
+      path: /opt/env_2
+      version: "3.6.2"
 ```
 
 License

defaults/main.yml

@@ -1,5 +1,3 @@
 ---
 pythonz_version: master
 pythonz_repo: https://github.com/saghul/pythonz.git
-python_versions:
-  - "3.6.3"

tasks/main.yml

@@ -1,6 +1,14 @@
 ---
 - import_tasks: pythonz.yml
+
 - include_tasks: python.yml
   with_items: "{{ python_versions }}"
   loop_control:
     loop_var: python_version
+  when: python_versions is defined
+
+- include_tasks: virtualenv.yml
+  with_dict: "{{ virtualenvs }}"
+  loop_control:
+    loop_var: virtualenv
+  when: virtualenvs is defined

tasks/virtualenv.yml

@@ -0,0 +1,47 @@
+---
+- include_tasks: python.yml
+  with_items:
+    - "{{ virtualenv.value.version }}"
+  loop_control:
+    loop_var: python_version
+
+- name: Virtualenv exist
+  stat:
+    path: "{{ virtualenv.value.path }}/bin/python"
+  register: current_env
+
+- name: "Verify {{ virtualenv.key }} python version"
+  command: "{{ virtualenv.value.path }}/bin/python --version"
+  register: current_python_version
+  changed_when: False
+  when:
+    - current_env.stat.exists
+
+- name: "Wrong python version in {{ virtualenv.key }}"
+  file:
+    state: absent
+    path: "{{ virtualenv.value.path }}"
+    force: yes
+  when:
+    - not current_python_version|skipped
+    - virtualenv.value.version not in current_python_version.stdout
+
+- name: "Create environment {{ virtualenv.key }}"
+  pip:
+    virtualenv: "{{ virtualenv.value.path }}"
+    virtualenv_command: "/usr/local/pythonz/pythons/CPython-{{ virtualenv.value.version }}/bin/python -m venv"
+    state: latest
+    name: pip
+
+- name: Update setuptools
+  pip:
+    virtualenv: "{{ virtualenv.value.path }}"
+    state: latest
+    name: setuptools
+
+- name: Requirements
+  pip:
+    virtualenv: "{{ virtualenv.value.path }}"
+    requirements: "{{ virtualenv.value.requirements }}"
+  when:
+    - virtualenv.value.requirements is defined

tests/test.yml

@@ -4,5 +4,13 @@
     python_versions:
       - "3.6.3"
       - "3.6.2"
+    virtualenvs:
+      env_1:
+        path: /opt/test_env/env_1
+        version: "3.6.1"
+        requirements: /opt/requirements.txt
+      env_2:
+        path: /opt/test_env/env_2
+        version: "3.6.2"
   roles:
     - ansible-role-python