pip3: Add python3-distutils

This is a requirement, otherwise get-pip.py fails to install

Change-Id: If8dc87d3755056af52f7f7415f6596071ac5feef

playbooks/roles/pip3/tasks/main.yaml

@@ -5,6 +5,14 @@
       - python3-virtualenv
     state: absent
 
+# NOTE(ianw) : See https://github.com/pypa/get-pip/issues/43;
+# requirement of get-pip.py
+- name: Ensure distutils
+  package:
+    name:
+      - python3-distutils
+    state: present
+
 - name: Download get-pip.py
   command: wget https://bootstrap.pypa.io/get-pip.py
   args: