support: Add date created field to remove server information.

Removes the last updated field and replaces it with the date the
remote server was created based on the audit log data.

zilencer/management/commands/populate_billing_realms.py

@@ -33,6 +33,7 @@ from zilencer.models import (
     RemoteRealmBillingUser,
     RemoteServerBillingUser,
     RemoteZulipServer,
+    RemoteZulipServerAuditLog,
 )
 from zilencer.views import update_remote_realm_data_for_server
 from zproject.config import get_secret
@@ -421,6 +422,12 @@ def populate_remote_server(customer_profile: CustomerProfile) -> Dict[str, str]:
         last_audit_log_update=timezone_now(),
     )
 
+    RemoteZulipServerAuditLog.objects.create(
+        event_type=RemoteZulipServerAuditLog.REMOTE_SERVER_CREATED,
+        server=remote_server,
+        event_time=remote_server.last_updated,
+    )
+
     billing_user = RemoteServerBillingUser.objects.create(
         full_name="Server user",
         remote_server=remote_server,

zilencer/management/commands/populate_db.py

@@ -71,7 +71,7 @@ from zerver.models.realms import get_realm
 from zerver.models.recipients import get_or_create_huddle
 from zerver.models.streams import get_stream
 from zerver.models.users import get_user, get_user_by_delivery_email, get_user_profile_by_id
-from zilencer.models import RemoteRealm, RemoteZulipServer
+from zilencer.models import RemoteRealm, RemoteZulipServer, RemoteZulipServerAuditLog
 from zilencer.views import update_remote_realm_data_for_server
 
 settings.USING_TORNADO = False
@@ -390,6 +390,11 @@ class Command(BaseCommand):
                 last_updated=timezone_now(),
                 contact_email="remotezulipserver@zulip.com",
             )
+            RemoteZulipServerAuditLog.objects.create(
+                event_type=RemoteZulipServerAuditLog.REMOTE_SERVER_CREATED,
+                server=server,
+                event_time=server.last_updated,
+            )
             update_remote_realm_data_for_server(server, get_realms_info_for_push_bouncer())
 
             # Create test Users (UserProfiles are automatically created,