added docker repo

roles/horizon/tasks/main.yml

@@ -1,5 +1,10 @@
 # Run hpc/horizon
 ---
+- name: pull docker image
+  docker_image:
+  name: webhost12.service.rug.nl/hpc/openstack-horizon:latest
+  tags: pull
+
 - name: install service file.
   template:
     src: templates/horizon.service

roles/horizon/templates/horizon.service

@@ -13,7 +13,7 @@ ExecStart=/usr/bin/docker run --name %n \
   --add-host=nova-controller:{{ hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address'] }} \
   --add-host=keystone:{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }} \
   -p 80:80 \
-  hpc/horizon
+  hpc/openstack-horizon
 
 [Install]
 WantedBy=multi-user.target