remote-support: Return server results for realms with host match.

Checks for remote realm hosts that match the search query. Adds a
database query to getting the initial search results.

corporate/tests/test_support_views.py

@@ -165,6 +165,7 @@ class TestRemoteServerSupportEndpoint(ZulipTestCase):
         ) -> None:
             self.assert_in_success_response(
                 [
+                    '<span class="label">remote server</span>',
                     f"<h3>{hostname} <a",
                     f"<b>Contact email</b>: admin@{hostname}",
                     "<b>Date created</b>:",
@@ -183,6 +184,7 @@ class TestRemoteServerSupportEndpoint(ZulipTestCase):
         ) -> None:
             self.assert_in_success_response(
                 [
+                    '<span class="label">remote realm</span>',
                     f"<h3>{name}</h3>",
                     f"<b>Remote realm host:</b> {host}<br />",
                     "<b>Date created</b>: 01 December 2023",
@@ -303,6 +305,13 @@ class TestRemoteServerSupportEndpoint(ZulipTestCase):
         result = self.client_get("/activity/remote/support", {"q": f"zulip-{server}.example.com"})
         check_remote_server_with_no_realms(result)
 
+        # RemoteRealm host matches appear in search results
+        result = self.client_get("/activity/remote/support", {"q": "realm-host-"})
+        for i in range(6):
+            if i > server:
+                assert_server_details_in_response(result, f"zulip-{i}.example.com")
+                assert_realm_details_in_response(result, f"realm-name-{i}", f"realm-host-{i}")
+
         server = 2
         with mock.patch("corporate.views.support.compute_max_monthly_messages", return_value=1000):
             result = self.client_get(

corporate/views/support.py

@@ -472,7 +472,17 @@ def get_remote_servers_for_support(
         return list(remote_servers_query.filter(contact_email__iexact=email_to_search))
 
     if hostname_to_search:
-        return list(remote_servers_query.filter(hostname__icontains=hostname_to_search))
+        remote_servers_set = set(
+            remote_servers_query.filter(hostname__icontains=hostname_to_search)
+        )
+        remote_realm_matches = (
+            RemoteRealm.objects.filter(host__icontains=hostname_to_search).exclude(
+                realm_deactivated=True
+            )
+        ).select_related("server")
+        for remote_realm in remote_realm_matches:
+            remote_servers_set.add(remote_realm.server)
+        return list(remote_servers_set)
 
     return []