Make sure virtualenv is installed

Change-Id: Icac8b42f6b29612f18e00d7e45f18da4e595d6e2

devstack.yml

@@ -35,6 +35,8 @@
     - name: apt-get update
       apt: update_cache=yes
       ignore_errors: true
+    - name: Install virtualenv
+      apt: name=python-virtualenv
   tasks:
     - name: Setup the monasca cli credentials in the default environment
       copy: src=tests/env.sh dest=/etc/profile.d/monasca_cli.sh owner=root group=root mode=0644

mini-mon.yml

@@ -12,6 +12,8 @@
   pre_tasks:
     - name: apt-get update
       apt: update_cache=yes
+    - name: Install virtualenv
+      apt: name=python-virtualenv
   tasks:
     - name: Install postfix, needed by notification engine
       apt: name=postfix state=present
@@ -71,7 +73,7 @@
       tags:
         - cli
     - name: Update cli
-      pip: name=python-monascaclient state=latest
+      pip: name=python-monascaclient state=latest virtualenv="{{monasca_virtualenv_dir}}"
       tags:
         - cli
   roles: