Merge branch 'feature-show-version' into 'master'

Feature show version

Need vmdriver feature-show-version branch.
Fixes #77

See merge request !255

circle/dashboard/templates/dashboard/node-detail/resources.html

@@ -10,6 +10,14 @@
     <dt>{% trans "Enabled" %}:</dt><dd>{{ node.enabled }}</dd>
     <dt>{% trans "Host online" %}:</dt><dd> {{ node.online }}</dd>
     <dt>{% trans "Priority" %}:</dt><dd>{{ node.priority }}</dd>
+    <dt>{% trans "Driver Version:" %}</dt>
+    <dd>
+      {{ node.driver_version.branch }} at
+      {{ node.driver_version.commit }} ({{ node.driver_version.commit_text }})
+      {% if node.driver_version.is_dirty %}
+        <span class="label label-danger">{% trans "with uncommitted changes!" %}</span>
+      {% endif %}
+    </dd>
     <dt>{% trans "Host owner" %}:</dt>
     <dd>
       {% include "dashboard/_display-name.html" with user=node.host.owner show_org=True %}

circle/vm/models/node.py

@@ -290,6 +290,11 @@ class Node(OperatedMixin, TimeStampedModel):
 
     @property
     @node_available
+    def driver_version(self):
+        return self.info['driver_version']
+
+    @property
+    @node_available
     def cpu_usage(self):
         return self.monitor_info.get('cpu.percent') / 100