ROX-27922: add test to ensure RDS restore when final snapshot exists (#2289)

add test to make sure RDS is restored when a final snapshot exists

Author: johannes94

fleetshard/pkg/central/cloudprovider/awsclient/rds.go

@@ -12,13 +12,21 @@ import (
 	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/rds"
+	"github.com/aws/aws-sdk-go/service/rds/rdsiface"
 	"github.com/golang/glog"
 	"github.com/stackrox/acs-fleet-manager/fleetshard/config"
 	"github.com/stackrox/acs-fleet-manager/fleetshard/pkg/central/cloudprovider"
 	"github.com/stackrox/acs-fleet-manager/fleetshard/pkg/central/postgres"
 	"k8s.io/apimachinery/pkg/util/rand"
 )
 
+// RDSClient is a wrapper around the rdsiface.RDSAPI to generate a mock
+//
+//go:generate moq -out rds_client_moq.go . RDSClient
+type RDSClient interface {
+	rdsiface.RDSAPI
+}
+
 const (
 	dbAvailableStatus = "available"
 	dbDeletingStatus  = "deleting"
@@ -60,7 +68,7 @@ type RDS struct {
 	performanceInsights  bool
 	dataplaneClusterName string
 
-	rdsClient *rds.RDS
+	rdsClient rdsiface.RDSAPI
 }
 
 // EnsureDBProvisioned is a blocking function that makes sure that an RDS database was provisioned for a Central