small fixes in loadbalancer tasks

Author: Mia-Cross

upup/pkg/fi/cloudup/scaleway/cloud.go

@@ -435,6 +435,10 @@ func (s *scwCloudImplementation) DeleteLoadBalancer(loadBalancer *lb.LB) error {
 		Zone: s.zone,
 	})
 	if err != nil {
+		if is404Error(err) {
+			klog.V(8).Infof("Load-balancer %q (%s) was already deleted", loadBalancer.Name, loadBalancer.ID)
+			return nil
+		}
 		return fmt.Errorf("waiting for load-balancer: %w", err)
 	}
 	err = s.lbAPI.DeleteLB(&lb.ZonedAPIDeleteLBRequest{

upup/pkg/fi/cloudup/scalewaytasks/lb_backend.go

@@ -54,6 +54,10 @@ func (l *LBBackend) Find(context *fi.CloudupContext) (*LBBackend, error) {
 	cloud := context.T.Cloud.(scaleway.ScwCloud)
 	lbService := cloud.LBService()
 
+	if l.LoadBalancer.LBID == nil {
+		return nil, nil
+	}
+
 	backendResponse, err := lbService.ListBackends(&lb.ZonedAPIListBackendsRequest{
 		Zone: scw.Zone(cloud.Zone()),
 		LBID: fi.ValueOf(l.LoadBalancer.LBID),

upup/pkg/fi/cloudup/scalewaytasks/lb_frontend.go

@@ -51,6 +51,10 @@ func (l *LBFrontend) Find(context *fi.CloudupContext) (*LBFrontend, error) {
 	cloud := context.T.Cloud.(scaleway.ScwCloud)
 	lbService := cloud.LBService()
 
+	if l.LoadBalancer.LBID == nil {
+		return nil, nil
+	}
+
 	frontendResponse, err := lbService.ListFrontends(&lb.ZonedAPIListFrontendsRequest{
 		Zone: scw.Zone(cloud.Zone()),
 		LBID: fi.ValueOf(l.LoadBalancer.LBID),

upup/pkg/fi/cloudup/scalewaytasks/loadbalancer.go

@@ -142,7 +142,7 @@ func (l *LoadBalancer) RenderScw(t *scaleway.ScwAPITarget, actual, expected, cha
 
 	if actual != nil {
 
-		klog.Infof("Updating existing load-balancer with name %q", expected.Name)
+		klog.Infof("Updating existing load-balancer with name %q", fi.ValueOf(expected.Name))
 
 		// We update the tags
 		if changes != nil || len(actual.Tags) != len(expected.Tags) {
@@ -164,7 +164,7 @@ func (l *LoadBalancer) RenderScw(t *scaleway.ScwAPITarget, actual, expected, cha
 
 	} else {
 
-		klog.Infof("Creating new load-balancer with name %q", expected.Name)
+		klog.Infof("Creating new load-balancer with name %q", fi.ValueOf(expected.Name))
 
 		lbCreated, err := lbService.CreateLB(&lb.ZonedAPICreateLBRequest{
 			Zone: scw.Zone(fi.ValueOf(expected.Zone)),