aws backendgroup delete bugfix

pkg/cloudprovider/waitstatus.go

@@ -61,6 +61,11 @@ func WaitStatusWithInstanceErrorCheck(res ICloudResource, expect string, interva
 	return ErrTimeout
 }
 
+func WaitDeletedWithDelay(res ICloudResource, delay time.Duration, interval time.Duration, timeout time.Duration) error {
+	time.Sleep(delay)
+	return WaitDeleted(res, interval, timeout)
+}
+
 func WaitDeleted(res ICloudResource, interval time.Duration, timeout time.Duration) error {
 	startTime := time.Now()
 	for time.Now().Sub(startTime) < timeout {

pkg/compute/regiondrivers/aws.go

@@ -20,6 +20,7 @@ import (
 	"fmt"
 	"regexp"
 	"strings"
+	"time"
 
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/pkg/errors"
@@ -1217,6 +1218,11 @@ func (self *SAwsRegionDriver) RequestDeleteLoadbalancer(ctx context.Context, use
 			}
 		}
 
+		err = cloudprovider.WaitDeletedWithDelay(iLoadbalancer, 10*time.Second, 10*time.Second, 60*time.Second)
+		if err != nil {
+			return nil, errors.Wrap(err, "AwsRegionDriver.RequestDeleteLoadbalancer.WaitDeleted")
+		}
+
 		// delete backendgroups
 		{
 			// delete remote lbbgs