Redirect button to random vhost websites

ocfweb/main/home.py

@@ -1,11 +1,16 @@
+import random
 from datetime import date
 from datetime import timedelta
 from operator import attrgetter
+from typing import Mapping
 
 from django.http import HttpRequest
 from django.http import HttpResponse
+from django.http import HttpResponseRedirect
+from django.shortcuts import redirect
 from django.shortcuts import render
 from ocflib.lab.staff_hours import get_staff_hours_soonest_first
+from ocflib.vhost.web import get_vhosts
 
 from ocfweb.api.hours import get_hours_listing
 from ocfweb.caching import periodic
@@ -19,6 +24,20 @@ def get_staff_hours() -> str:
     return get_staff_hours_soonest_first()[:2]
 
 
+def hosted_site_urls(vhosts: Mapping[str, object] | None = None) -> list[str]:
+    if vhosts is None:
+        vhosts = get_vhosts()
+
+    return sorted(
+        f'https://{hostname}/'
+        for hostname in vhosts.keys()
+    )
+
+
+def random_hosted_site(request: HttpRequest) -> HttpResponseRedirect:
+    return redirect(random.choice(hosted_site_urls()))
+
+
 def home(request: HttpRequest) -> HttpResponse:
     hours_listing = get_hours_listing()
     hours = [

ocfweb/main/templates/main/home.html

@@ -33,7 +33,7 @@ <h1>Welcome to the Open Computing Facility!</h1>
         <p>OCF volunteers maintain services for the Berkeley community, including:</p>
         <ul>
             <li><a href="{% url 'lab' %}">A spiffy computer lab</a> in 171 MLK Student Union</li>
-            <li><a href="{{docs_url}}/user-docs/services/web/">Web &amp; email hosting</a> for thousands of student groups and individuals</li>
+            <li><a href="{{docs_url}}/user-docs/services/web/">Web &amp; email hosting</a> for thousands of student groups and individuals. <a href="/random-hosted-site">Visit a random website!</a></li>
             <li><a href="{{docs_url}}/user-docs/services/lab/printing/">Free printing</a> for all UC Berkeley students</li>
             <li><a href="{{docs_url}}/user-docs/services/shell/">Shell accounts</a> on our powerful <a href="{% url 'doc' 'staff/backend/servers' %}">on-campus servers</a></li>
         <li><a href="{{docs_url}}/user-docs/services/hpc/">High-performance computing</a> on our GPU server</li>

ocfweb/urls.py

@@ -16,6 +16,7 @@
 from ocfweb.login.urls import urlpatterns as login
 from ocfweb.main.favicon import favicon
 from ocfweb.main.home import home
+from ocfweb.main.home import random_hosted_site
 from ocfweb.main.hosting_logos import hosting_logo
 from ocfweb.main.lab import lab
 from ocfweb.main.robots import robots_dot_txt
@@ -36,6 +37,7 @@
     re_path('', include('django_prometheus.urls')),
 
     re_path(r'^$', home, name='home'),
+    re_path(r'^random-hosted-site$', random_hosted_site),
     re_path(r'^robots\.txt$', robots_dot_txt, name='robots.txt'),
     re_path(r'^favicon.ico$', favicon, name='favicon'),
     re_path(r'^.well-known/security\.txt$', security_dot_txt, name='security.txt'),

tests/main/random_hosted_site_test.py

@@ -0,0 +1,23 @@
+from ocfweb.main.home import hosted_site_urls
+
+
+def test_hosted_site_urls_uses_primary_vhost_names():
+    vhosts = {
+        'lift.studentorg.berkeley.edu': {
+            'username': 'lift',
+            'aliases': [],
+            'docroot': '/',
+            'flags': [],
+        },
+        'bearbites.asuc.org': {
+            'username': 'bearbites',
+            'aliases': ['www.bearbites.asuc.org'],
+            'docroot': '/',
+            'flags': [],
+        },
+    }
+
+    assert hosted_site_urls(vhosts) == [
+        'https://bearbites.asuc.org/',
+        'https://lift.studentorg.berkeley.edu/',
+    ]