Install simulated fabric and test client on the compute node

Change-Id: I8bd88561064f1309f1779e4666ba655bcad56bfa
diff --git a/roles/head-prep/tasks/main.yml b/roles/head-prep/tasks/main.yml
index 0fd1a7b..290d94c 100644
--- a/roles/head-prep/tasks/main.yml
+++ b/roles/head-prep/tasks/main.yml
@@ -29,6 +29,7 @@
     - git
     - bzr
     - juju-core
+    - python-pip
     - python-novaclient
     - python-neutronclient
     - python-keystoneclient
@@ -36,6 +37,16 @@
     - python-lxml
     - virt-top
 
+- name: Install Python packages
+  pip:
+    name={{ item}}
+    state=present
+  with_items:
+    - urllib3
+    - pyopenssl
+    - ndg-httpsclient
+    - pyasn1
+
 - name: Prep user account by adding to libvirtd group and generating SSH key
   user:
     name={{ ansible_user_id }}