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)
}
}
}
// 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
}
// 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
}
// 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
}
// 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
}
// 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
}
// 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
}
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
}
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
}
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")
}
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")
}