Enable slot and publication deletion when stream application is removed (#2684)

* refactor syncing publication section
* update createOrUpdateStream function to allow resource deletion when removed from manifest
* add minimal FES CRD to enable FES resources creation for E2E test
* fix bug of removing manifest slots in syncStream
* e2e test: fixing typo with major upgrade test
* e2e test: should create and delete FES resource
* e2e test: should not delete manual created resources
* e2e test: enable cluster role for FES with patching instead of deploying in manifest

pkg/cluster/database.go

@@ -49,9 +49,12 @@ const (
 	getPublicationsSQL = `SELECT p.pubname, string_agg(pt.schemaname || '.' || pt.tablename, ', ' ORDER BY pt.schemaname, pt.tablename)
 	        FROM pg_publication p
 			LEFT JOIN pg_publication_tables pt ON pt.pubname = p.pubname
+			WHERE p.pubowner = 'postgres'::regrole
+			AND p.pubname LIKE 'fes_%'
 			GROUP BY p.pubname;`
 	createPublicationSQL = `CREATE PUBLICATION "%s" FOR TABLE %s WITH (publish = 'insert, update');`
 	alterPublicationSQL  = `ALTER PUBLICATION "%s" SET TABLE %s;`
+	dropPublicationSQL   = `DROP PUBLICATION "%s";`
 
 	globalDefaultPrivilegesSQL = `SET ROLE TO "%s";
 			ALTER DEFAULT PRIVILEGES GRANT USAGE ON SCHEMAS TO "%s","%s";
@@ -628,6 +631,14 @@ func (c *Cluster) getPublications() (publications map[string]string, err error)
 	return dbPublications, err
 }
 
+func (c *Cluster) executeDropPublication(pubName string) error {
+	c.logger.Infof("dropping publication %q", pubName)
+	if _, err := c.pgDb.Exec(fmt.Sprintf(dropPublicationSQL, pubName)); err != nil {
+		return fmt.Errorf("could not execute drop publication: %v", err)
+	}
+	return nil
+}
+
 // executeCreatePublication creates new publication for given tables
 // The caller is responsible for opening and closing the database connection.
 func (c *Cluster) executeCreatePublication(pubName, tableList string) error {