From 42cf8e680a39895d991c4eaff114062780510c47 Mon Sep 17 00:00:00 2001
From: Corey Bryant <corey.bryant@canonical.com>
Date: Thu, 11 Oct 2018 12:38:23 -0400
Subject: [PATCH] Add ensure-python role

ensure-python allows for installation of a specific version of
the python interpreter and development files. Add this role to
tox pre.yaml.

Change-Id: Ia56cba58c87aa48de3e8e3f3d28f6252f7dcd7c3
---
 playbooks/tox/pre.yaml              |  1 +
 roles/ensure-python/README.rst      | 10 ++++++++++
 roles/ensure-python/tasks/main.yaml |  6 ++++++
 3 files changed, 17 insertions(+)
 create mode 100644 roles/ensure-python/README.rst
 create mode 100644 roles/ensure-python/tasks/main.yaml

diff --git a/playbooks/tox/pre.yaml b/playbooks/tox/pre.yaml
index 69e7def02..87e13883d 100644
--- a/playbooks/tox/pre.yaml
+++ b/playbooks/tox/pre.yaml
@@ -1,3 +1,4 @@
 - hosts: all
   roles:
     - ensure-tox
+    - ensure-python
diff --git a/roles/ensure-python/README.rst b/roles/ensure-python/README.rst
new file mode 100644
index 000000000..029398029
--- /dev/null
+++ b/roles/ensure-python/README.rst
@@ -0,0 +1,10 @@
+Ensure specified python interpreter and development files are installed
+
+.. note:: This role is only available for Debian based platforms
+          currently.
+
+**Role Variables**
+
+.. zuul:rolevar:: python_version
+
+  Optional version of python interpreter to install, such as ``3.7``.
diff --git a/roles/ensure-python/tasks/main.yaml b/roles/ensure-python/tasks/main.yaml
new file mode 100644
index 000000000..7b3a59487
--- /dev/null
+++ b/roles/ensure-python/tasks/main.yaml
@@ -0,0 +1,6 @@
+- name: Install specified version of python interpreter and development files
+  when: python_version is defined
+  package:
+    name: python{{ python_version }}-dev
+    state: present
+  become: yes