Switch to using the monasca virtual env for the keystoneclient.

README.md

@@ -1,6 +1,6 @@
 #Monasca Keystone
-Performs some Keystone setup for Monasca
-
+Performs some Keystone setup for Monasca.
+The role requires python-keystoneclient and by default will use the version installed in the Monasca virtualenv.
 This role adds one or more users/projects/roles to Keystone, as specified in keystone_users:
 
 ```

defaults/main.yml

@@ -7,4 +7,5 @@ keystone_users:
     role: monasca-agent
 keystone_service_script: /usr/local/bin/create_monasca_service.py
 monasca_api_url: http://localhost:8080/v2.0
+monasca_virtualenv_dir: /opt/monasca
 skip_install: False

tasks/main.yml

@@ -1,6 +1,6 @@
 ---
 - name: Keystone User - Install dependencies
-  pip: name=python-keystoneclient state=present
+  pip: name=python-keystoneclient state=present virtualenv="{{monasca_virtualenv_dir}}"
   when: not skip_install
 
 # These tasks need a Keystone v2 endpoint
@@ -19,4 +19,4 @@
   template: src=create_monasca_service.py.j2 dest={{ keystone_service_script }} mode=0700
 
 - name: Keystone Service - Execute the script
-  command: python {{ keystone_service_script }}
+  command: "{{monasca_virtualenv_dir}}/bin/python {{ keystone_service_script }}"