Exemple #1
0
func TestCheckInvalidErr(t *testing.T) {
	tests := []struct {
		err      error
		expected string
	}{
		{
			errors.NewInvalid("Invalid1", "invalidation", fielderrors.ValidationErrorList{fielderrors.NewFieldInvalid("Cause", "single", "details")}),
			`Error from server: Invalid1 "invalidation" is invalid: Cause: invalid value 'single', Details: details`,
		},
		{
			errors.NewInvalid("Invalid2", "invalidation", fielderrors.ValidationErrorList{fielderrors.NewFieldInvalid("Cause", "multi1", "details"), fielderrors.NewFieldInvalid("Cause", "multi2", "details")}),
			`Error from server: Invalid2 "invalidation" is invalid: [Cause: invalid value 'multi1', Details: details, Cause: invalid value 'multi2', Details: details]`,
		},
		{
			errors.NewInvalid("Invalid3", "invalidation", fielderrors.ValidationErrorList{}),
			`Error from server: Invalid3 "invalidation" is invalid: <nil>`,
		},
	}

	var errReturned string
	errHandle := func(err string) {
		errReturned = err
	}

	for _, test := range tests {
		checkErr(test.err, errHandle)

		if errReturned != test.expected {
			t.Fatalf("Got: %s, expected: %s", errReturned, test.expected)
		}
	}
}
Exemple #2
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// BeforeCreate ensures that common operations for all resources are performed on creation. It only returns
// errors that can be converted to api.Status. It invokes PrepareForCreate, then GenerateName, then Validate.
// It returns nil if the object should be created.
func BeforeCreate(strategy RESTCreateStrategy, ctx api.Context, obj runtime.Object) error {
	objectMeta, kind, kerr := objectMetaAndKind(strategy, obj)
	if kerr != nil {
		return kerr
	}

	if strategy.NamespaceScoped() {
		if !api.ValidNamespace(ctx, objectMeta) {
			return errors.NewBadRequest("the namespace of the provided object does not match the namespace sent on the request")
		}
	} else {
		objectMeta.Namespace = api.NamespaceNone
	}
	objectMeta.DeletionTimestamp = nil
	objectMeta.DeletionGracePeriodSeconds = nil
	strategy.PrepareForCreate(obj)
	api.FillObjectMetaSystemFields(ctx, objectMeta)
	api.GenerateName(strategy, objectMeta)

	if errs := strategy.Validate(ctx, obj); len(errs) > 0 {
		return errors.NewInvalid(kind, objectMeta.Name, errs)
	}

	// Custom validation (including name validation) passed
	// Now run common validation on object meta
	// Do this *after* custom validation so that specific error messages are shown whenever possible
	if errs := validation.ValidateObjectMeta(objectMeta, strategy.NamespaceScoped(), validation.ValidatePathSegmentName); len(errs) > 0 {
		return errors.NewInvalid(kind, objectMeta.Name, errs)
	}

	return nil
}
Exemple #3
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// Create ensures a pod is bound to a specific host.
func (r *BindingREST) Create(ctx api.Context, obj runtime.Object) (out runtime.Object, err error) {
	binding := obj.(*api.Binding)
	// TODO: move me to a binding strategy
	if len(binding.Target.Kind) != 0 && (binding.Target.Kind != "Node" && binding.Target.Kind != "Minion") {
		return nil, errors.NewInvalid("binding", binding.Name, fielderrors.ValidationErrorList{fielderrors.NewFieldInvalid("to.kind", binding.Target.Kind, "must be empty, 'Node', or 'Minion'")})
	}
	if len(binding.Target.Name) == 0 {
		return nil, errors.NewInvalid("binding", binding.Name, fielderrors.ValidationErrorList{fielderrors.NewFieldRequired("to.name")})
	}
	err = r.assignPod(ctx, binding.Name, binding.Target.Name, binding.Annotations)
	out = &unversioned.Status{Status: unversioned.StatusSuccess}
	return
}
Exemple #4
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// ParseWatchResourceVersion takes a resource version argument and converts it to
// the etcd version we should pass to helper.Watch(). Because resourceVersion is
// an opaque value, the default watch behavior for non-zero watch is to watch
// the next value (if you pass "1", you will see updates from "2" onwards).
func ParseWatchResourceVersion(resourceVersion, kind string) (uint64, error) {
	if resourceVersion == "" || resourceVersion == "0" {
		return 0, nil
	}
	version, err := strconv.ParseUint(resourceVersion, 10, 64)
	if err != nil {
		// TODO: Does this need to be a ValidationErrorList?  I can't convince myself it does.
		return 0, errors.NewInvalid(kind, "", fielderrors.ValidationErrorList{fielderrors.NewFieldInvalid("resourceVersion", resourceVersion, err.Error())})
	}
	return version + 1, nil
}
Exemple #5
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// BeforeUpdate ensures that common operations for all resources are performed on update. It only returns
// errors that can be converted to api.Status. It will invoke update validation with the provided existing
// and updated objects.
func BeforeUpdate(strategy RESTUpdateStrategy, ctx api.Context, obj, old runtime.Object) error {
	objectMeta, kind, kerr := objectMetaAndKind(strategy, obj)
	if kerr != nil {
		return kerr
	}
	if strategy.NamespaceScoped() {
		if !api.ValidNamespace(ctx, objectMeta) {
			return errors.NewBadRequest("the namespace of the provided object does not match the namespace sent on the request")
		}
	} else {
		objectMeta.Namespace = api.NamespaceNone
	}
	strategy.PrepareForUpdate(obj, old)
	if errs := strategy.ValidateUpdate(ctx, obj, old); len(errs) > 0 {
		return errors.NewInvalid(kind, objectMeta.Name, errs)
	}
	return nil
}
Exemple #6
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// Get retrieves a runtime.Object that will stream the contents of the pod log
func (r *LogREST) Get(ctx api.Context, name string, opts runtime.Object) (runtime.Object, error) {
	logOpts, ok := opts.(*api.PodLogOptions)
	if !ok {
		return nil, fmt.Errorf("Invalid options object: %#v", opts)
	}
	if errs := validation.ValidatePodLogOptions(logOpts); len(errs) > 0 {
		return nil, errors.NewInvalid("podlogs", name, errs)
	}
	location, transport, err := pod.LogLocation(r.store, r.kubeletConn, ctx, name, logOpts)
	if err != nil {
		return nil, err
	}
	return &genericrest.LocationStreamer{
		Location:    location,
		Transport:   transport,
		ContentType: "text/plain",
		Flush:       logOpts.Follow,
	}, nil
}
Exemple #7
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// BeforeUpdate ensures that common operations for all resources are performed on update. It only returns
// errors that can be converted to api.Status. It will invoke update validation with the provided existing
// and updated objects.
func BeforeUpdate(strategy RESTUpdateStrategy, ctx api.Context, obj, old runtime.Object) error {
	objectMeta, kind, kerr := objectMetaAndKind(strategy, obj)
	if kerr != nil {
		return kerr
	}
	if strategy.NamespaceScoped() {
		if !api.ValidNamespace(ctx, objectMeta) {
			return errors.NewBadRequest("the namespace of the provided object does not match the namespace sent on the request")
		}
	} else {
		objectMeta.Namespace = api.NamespaceNone
	}

	strategy.PrepareForUpdate(obj, old)

	// Ensure some common fields, like UID, are validated for all resources.
	errs := validateCommonFields(obj, old)

	errs = append(errs, strategy.ValidateUpdate(ctx, obj, old)...)
	if len(errs) > 0 {
		return errors.NewInvalid(kind, objectMeta.Name, errs)
	}
	return nil
}
Exemple #8
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func (rs *REST) Create(ctx api.Context, obj runtime.Object) (runtime.Object, error) {
	service := obj.(*api.Service)

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

	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 {
			el := fielderrors.ValidationErrorList{fielderrors.NewFieldInvalid("spec.clusterIP", service.Spec.ClusterIP, err.Error())}
			return nil, errors.NewInvalid("Service", service.Name, el)
		}
		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 {
			el := fielderrors.ValidationErrorList{fielderrors.NewFieldInvalid("spec.clusterIP", service.Spec.ClusterIP, err.Error())}
			return nil, errors.NewInvalid("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(servicePort.NodePort)
			if err != nil {
				el := fielderrors.ValidationErrorList{fielderrors.NewFieldInvalid("nodePort", servicePort.NodePort, err.Error())}.PrefixIndex(i).Prefix("spec.ports")
				return nil, errors.NewInvalid("Service", service.Name, el)
			}
		} else if assignNodePorts {
			nodePort, err := nodePortOp.AllocateNext()
			if err != nil {
				el := fielderrors.ValidationErrorList{fielderrors.NewFieldInvalid("nodePort", servicePort.NodePort, err.Error())}.PrefixIndex(i).Prefix("spec.ports")
				return nil, errors.NewInvalid("Service", service.Name, el)
			}
			servicePort.NodePort = nodePort
		}
	}

	out, err := rs.registry.CreateService(ctx, service)
	if err != nil {
		err = rest.CheckGeneratedNameError(rest.Services, 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
}
Exemple #9
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func (rs *REST) Update(ctx api.Context, obj runtime.Object) (runtime.Object, bool, error) {
	service := obj.(*api.Service)
	if !api.ValidNamespace(ctx, &service.ObjectMeta) {
		return nil, false, errors.NewConflict("service", service.Namespace, fmt.Errorf("Service.Namespace does not match the provided context"))
	}

	oldService, err := rs.registry.GetService(ctx, service.Name)
	if err != nil {
		return nil, false, err
	}

	// Copy over non-user fields
	// TODO: make this a merge function
	if errs := validation.ValidateServiceUpdate(oldService, service); len(errs) > 0 {
		return nil, false, errors.NewInvalid("service", service.Name, errs)
	}

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

	assignNodePorts := shouldAssignNodePorts(service)

	oldNodePorts := CollectServiceNodePorts(oldService)

	newNodePorts := []int{}
	if assignNodePorts {
		for i := range service.Spec.Ports {
			servicePort := &service.Spec.Ports[i]
			nodePort := servicePort.NodePort
			if nodePort != 0 {
				if !contains(oldNodePorts, nodePort) {
					err := nodePortOp.Allocate(nodePort)
					if err != nil {
						el := fielderrors.ValidationErrorList{fielderrors.NewFieldInvalid("nodePort", nodePort, err.Error())}.PrefixIndex(i).Prefix("spec.ports")
						return nil, false, errors.NewInvalid("Service", service.Name, el)
					}
				}
			} else {
				nodePort, err = nodePortOp.AllocateNext()
				if err != nil {
					el := fielderrors.ValidationErrorList{fielderrors.NewFieldInvalid("nodePort", nodePort, err.Error())}.PrefixIndex(i).Prefix("spec.ports")
					return nil, false, errors.NewInvalid("Service", service.Name, el)
				}
				servicePort.NodePort = nodePort
			}
			// Detect duplicate node ports; this should have been caught by validation, so we panic
			if contains(newNodePorts, nodePort) {
				panic("duplicate node port")
			}
			newNodePorts = append(newNodePorts, nodePort)
		}
	} else {
		// Validate should have validated that nodePort == 0
	}

	// The comparison loops are O(N^2), but we don't expect N to be huge
	// (there's a hard-limit at 2^16, because they're ports; and even 4 ports would be a lot)
	for _, oldNodePort := range oldNodePorts {
		if !contains(newNodePorts, oldNodePort) {
			continue
		}
		nodePortOp.ReleaseDeferred(oldNodePort)
	}

	// Remove any LoadBalancerStatus now if Type != LoadBalancer;
	// although loadbalancer delete is actually asynchronous, we don't need to expose the user to that complexity.
	if service.Spec.Type != api.ServiceTypeLoadBalancer {
		service.Status.LoadBalancer = api.LoadBalancerStatus{}
	}

	out, err := rs.registry.UpdateService(ctx, service)

	if err == nil {
		el := nodePortOp.Commit()
		if el != nil {
			// problems should be fixed by an eventual reconciliation / restart
			glog.Errorf("error(s) committing NodePorts changes: %v", el)
		}
	}

	return out, false, err
}
Exemple #10
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func (c *ErrorJobs) Update(job *extensions.Job) (*extensions.Job, error) {
	if c.invalid {
		return nil, kerrors.NewInvalid(job.Kind, job.Name, nil)
	}
	return nil, errors.New("Job update failure")
}
Exemple #11
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func (c *ErrorReplicationControllers) Update(controller *api.ReplicationController) (*api.ReplicationController, error) {
	if c.invalid {
		return nil, kerrors.NewInvalid(controller.Kind, controller.Name, nil)
	}
	return nil, errors.New("Replication controller update failure")
}