ikiwiki: Implement diagnostics

plinth/modules/ikiwiki/__init__.py

@@ -47,3 +47,13 @@ def init():
 def is_enabled():
     """Return whether the module is enabled."""
     return action_utils.webserver_is_enabled('ikiwiki-plinth')
+
+
+def diagnose():
+    """Run diagnostics and return the results."""
+    results = []
+
+    results.extend(action_utils.diagnose_url_on_all(
+        'https://{host}/ikiwiki', extra_options=['--no-check-certificate']))
+
+    return results

plinth/modules/ikiwiki/templates/ikiwiki.html

@@ -25,6 +25,10 @@
   <p>When enabled, the blogs and wikis will be available
     from <a href="/ikiwiki">/ikiwiki</a>.</p>
 
+  {% include "diagnostics_button.html" with module="ikiwiki" %}
+
+  <h3>Configuration</h3>
+
   <form class="form" method="post">
     {% csrf_token %}