示例#1
0
func TestCheckGeneratedNameError(t *testing.T) {
	expect := errors.NewNotFound(api.Resource("foos"), "bar")
	if err := rest.CheckGeneratedNameError(Strategy, expect, &api.Pod{}); err != expect {
		t.Errorf("NotFoundError should be ignored: %v", err)
	}

	expect = errors.NewAlreadyExists(api.Resource("foos"), "bar")
	if err := rest.CheckGeneratedNameError(Strategy, expect, &api.Pod{}); err != expect {
		t.Errorf("AlreadyExists should be returned when no GenerateName field: %v", err)
	}

	expect = errors.NewAlreadyExists(api.Resource("foos"), "bar")
	if err := rest.CheckGeneratedNameError(Strategy, expect, &api.Pod{ObjectMeta: api.ObjectMeta{GenerateName: "foo"}}); err == nil || !errors.IsServerTimeout(err) {
		t.Errorf("expected try again later error: %v", err)
	}
}
示例#2
0
func (rs *REST) Create(ctx api.Context, obj runtime.Object) (runtime.Object, error) {
	service := obj.(*api.Service)

	if err := rest.BeforeCreate(Strategy, ctx, obj); err != nil {
		return nil, err
	}

	// TODO: this should probably move to strategy.PrepareForCreate()
	releaseServiceIP := false
	defer func() {
		if releaseServiceIP {
			if api.IsServiceIPSet(service) {
				rs.serviceIPs.Release(net.ParseIP(service.Spec.ClusterIP))
			}
		}
	}()

	nodePortOp := portallocator.StartOperation(rs.serviceNodePorts)
	defer nodePortOp.Finish()

	if api.IsServiceIPRequested(service) {
		// Allocate next available.
		ip, err := rs.serviceIPs.AllocateNext()
		if err != nil {
			// TODO: what error should be returned here?  It's not a
			// field-level validation failure (the field is valid), and it's
			// not really an internal error.
			return nil, errors.NewInternalError(fmt.Errorf("failed to allocate a serviceIP: %v", err))
		}
		service.Spec.ClusterIP = ip.String()
		releaseServiceIP = true
	} else if api.IsServiceIPSet(service) {
		// Try to respect the requested IP.
		if err := rs.serviceIPs.Allocate(net.ParseIP(service.Spec.ClusterIP)); err != nil {
			// TODO: when validation becomes versioned, this gets more complicated.
			el := field.ErrorList{field.Invalid(field.NewPath("spec", "clusterIP"), service.Spec.ClusterIP, err.Error())}
			return nil, errors.NewInvalid(api.Kind("Service"), service.Name, el)
		}
		releaseServiceIP = true
	}

	assignNodePorts := shouldAssignNodePorts(service)
	for i := range service.Spec.Ports {
		servicePort := &service.Spec.Ports[i]
		if servicePort.NodePort != 0 {
			err := nodePortOp.Allocate(int(servicePort.NodePort))
			if err != nil {
				// TODO: when validation becomes versioned, this gets more complicated.
				el := field.ErrorList{field.Invalid(field.NewPath("spec", "ports").Index(i).Child("nodePort"), servicePort.NodePort, err.Error())}
				return nil, errors.NewInvalid(api.Kind("Service"), service.Name, el)
			}
		} else if assignNodePorts {
			nodePort, err := nodePortOp.AllocateNext()
			if err != nil {
				// TODO: what error should be returned here?  It's not a
				// field-level validation failure (the field is valid), and it's
				// not really an internal error.
				return nil, errors.NewInternalError(fmt.Errorf("failed to allocate a nodePort: %v", err))
			}
			servicePort.NodePort = int32(nodePort)
		}
	}

	out, err := rs.registry.CreateService(ctx, service)
	if err != nil {
		err = rest.CheckGeneratedNameError(Strategy, err, service)
	}

	if err == nil {
		el := nodePortOp.Commit()
		if el != nil {
			// these should be caught by an eventual reconciliation / restart
			glog.Errorf("error(s) committing service node-ports changes: %v", el)
		}

		releaseServiceIP = false
	}

	return out, err
}