Select server topology ancestors from the same CDN as the base server (…

…#5578)

(cherry picked from commit eed246c)

CHANGELOG.md

@@ -48,6 +48,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed an issue with 2020082700000000_server_id_primary_key.sql trying to create multiple primary keys when there are multiple schemas.
 - Fix for public schema in 2020062923101648_add_deleted_tables.sql
 - Moved move_lets_encrypt_to_acme.sql, add_max_request_header_size_delivery_service.sql, and server_interface_ip_address_cascade.sql past last migration in 5.0.0
+- [#5505](https://github.com/apache/trafficcontrol/issues/5505) - Make `parent_reval_pending` for servers in a Flexible Topology CDN-specific on `GET /servers/{name}/update_status`
 
 ### Changed
 - Refactored the Traffic Ops Go client internals so that all public methods have a consistent behavior/implementation

traffic_ops/traffic_ops_golang/server/servers_update_status.go

@@ -108,12 +108,16 @@ SELECT
 	status.name AS status,
 	/* True if the cachegroup parent or any ancestor topology node has pending updates. */
 	TRUE IN (
-		SELECT sta.upd_pending FROM server_topology_ancestors sta WHERE sta.base_server_id = s.id
+		SELECT sta.upd_pending FROM server_topology_ancestors sta
+		WHERE sta.base_server_id = s.id
+		AND sta.cdn_id = s.cdn_id
 		UNION SELECT COALESCE(BOOL_OR(ps.upd_pending), FALSE)
 	) AS parent_upd_pending,
 	/* True if the cachegroup parent or any ancestor topology node has pending revalidation. */
 	TRUE IN (
-		SELECT sta.reval_pending FROM server_topology_ancestors sta WHERE sta.base_server_id = s.id
+		SELECT sta.reval_pending FROM server_topology_ancestors sta
+		WHERE sta.base_server_id = s.id
+		AND sta.cdn_id = s.cdn_id
 		UNION SELECT COALESCE(BOOL_OR(ps.reval_pending), FALSE)
 	) AS parent_reval_pending
 	FROM use_reval_pending,