// ValidateObjectMeta validates an object's metadata on creation. It expects that name generation has already
// been performed.
func ValidateObjectMeta(meta *api.ObjectMeta, requiresNamespace bool, nameFn ValidateNameFunc) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if len(meta.GenerateName) != 0 {
if ok, qualifier := nameFn(meta.GenerateName, true); !ok {
allErrs = append(allErrs, errs.NewFieldInvalid("generateName", meta.GenerateName, qualifier))
}
}
// if the generated name validates, but the calculated value does not, it's a problem with generation, and we
// report it here. This may confuse users, but indicates a programming bug and still must be validated.
if len(meta.Name) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("name", meta.Name))
} else {
if ok, qualifier := nameFn(meta.Name, false); !ok {
allErrs = append(allErrs, errs.NewFieldInvalid("name", meta.Name, qualifier))
}
}
if requiresNamespace {
if len(meta.Namespace) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("namespace", meta.Namespace))
} else if !util.IsDNSSubdomain(meta.Namespace) {
allErrs = append(allErrs, errs.NewFieldInvalid("namespace", meta.Namespace, dnsSubdomainErrorMsg))
}
} else {
if len(meta.Namespace) != 0 {
allErrs = append(allErrs, errs.NewFieldInvalid("namespace", meta.Namespace, "namespace is not allowed on this type"))
}
}
allErrs = append(allErrs, ValidateLabels(meta.Labels, "labels")...)
allErrs = append(allErrs, ValidateAnnotations(meta.Annotations, "annotations")...)
return allErrs
}
// ValidatePodUpdate tests to see if the update is legal
func ValidatePodUpdate(newPod, oldPod *api.Pod) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if newPod.Name != oldPod.Name {
allErrs = append(allErrs, errs.NewFieldInvalid("name", newPod.Name))
}
if len(newPod.DesiredState.Manifest.Containers) != len(oldPod.DesiredState.Manifest.Containers) {
allErrs = append(allErrs, errs.NewFieldInvalid("DesiredState.Manifest.Containers", newPod.DesiredState.Manifest.Containers))
return allErrs
}
pod := *newPod
pod.Labels = oldPod.Labels
pod.ResourceVersion = oldPod.ResourceVersion
// Tricky, we need to copy the container list so that we don't overwrite the update
var newContainers []api.Container
for ix, container := range pod.DesiredState.Manifest.Containers {
container.Image = oldPod.DesiredState.Manifest.Containers[ix].Image
newContainers = append(newContainers, container)
}
pod.DesiredState.Manifest.Containers = newContainers
if !reflect.DeepEqual(pod.DesiredState.Manifest, oldPod.DesiredState.Manifest) {
allErrs = append(allErrs, errs.NewFieldInvalid("DesiredState.Manifest.Containers", newPod.DesiredState.Manifest.Containers))
}
return allErrs
}
func validatePorts(ports []api.Port) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
allNames := util.StringSet{}
for i, port := range ports {
pErrs := errs.ValidationErrorList{}
if len(port.Name) > 0 {
if len(port.Name) > util.DNS1123LabelMaxLength || !util.IsDNSLabel(port.Name) {
pErrs = append(pErrs, errs.NewFieldInvalid("name", port.Name, dnsLabelErrorMsg))
} else if allNames.Has(port.Name) {
pErrs = append(pErrs, errs.NewFieldDuplicate("name", port.Name))
} else {
allNames.Insert(port.Name)
}
}
if port.ContainerPort == 0 {
pErrs = append(pErrs, errs.NewFieldInvalid("containerPort", port.ContainerPort, portRangeErrorMsg))
} else if !util.IsValidPortNum(port.ContainerPort) {
pErrs = append(pErrs, errs.NewFieldInvalid("containerPort", port.ContainerPort, portRangeErrorMsg))
}
if port.HostPort != 0 && !util.IsValidPortNum(port.HostPort) {
pErrs = append(pErrs, errs.NewFieldInvalid("hostPort", port.HostPort, portRangeErrorMsg))
}
if len(port.Protocol) == 0 {
pErrs = append(pErrs, errs.NewFieldRequired("protocol", port.Protocol))
} else if !supportedPortProtocols.Has(strings.ToUpper(string(port.Protocol))) {
pErrs = append(pErrs, errs.NewFieldNotSupported("protocol", port.Protocol))
}
allErrs = append(allErrs, pErrs.PrefixIndex(i)...)
}
return allErrs
}
// ValidateObjectMetaUpdate validates an object's metadata when updated
func ValidateObjectMetaUpdate(old, meta *api.ObjectMeta) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
// in the event it is left empty, set it, to allow clients more flexibility
if len(meta.UID) == 0 {
meta.UID = old.UID
}
if meta.CreationTimestamp.IsZero() {
meta.CreationTimestamp = old.CreationTimestamp
}
if old.Name != meta.Name {
allErrs = append(allErrs, errs.NewFieldInvalid("name", meta.Name, "field is immutable"))
}
if old.Namespace != meta.Namespace {
allErrs = append(allErrs, errs.NewFieldInvalid("namespace", meta.Namespace, "field is immutable"))
}
if old.UID != meta.UID {
allErrs = append(allErrs, errs.NewFieldInvalid("uid", meta.UID, "field is immutable"))
}
if old.CreationTimestamp != meta.CreationTimestamp {
allErrs = append(allErrs, errs.NewFieldInvalid("creationTimestamp", meta.CreationTimestamp, "field is immutable"))
}
allErrs = append(allErrs, ValidateLabels(meta.Labels, "labels")...)
allErrs = append(allErrs, ValidateAnnotations(meta.Annotations, "annotations")...)
return allErrs
}
func validatePorts(ports []api.Port) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
allNames := util.StringSet{}
for i := range ports {
pErrs := errs.ValidationErrorList{}
port := &ports[i] // so we can set default values
if len(port.Name) > 0 {
if len(port.Name) > 63 || !util.IsDNSLabel(port.Name) {
pErrs = append(pErrs, errs.NewFieldInvalid("name", port.Name, ""))
} else if allNames.Has(port.Name) {
pErrs = append(pErrs, errs.NewFieldDuplicate("name", port.Name))
} else {
allNames.Insert(port.Name)
}
}
if port.ContainerPort == 0 {
pErrs = append(pErrs, errs.NewFieldRequired("containerPort", port.ContainerPort))
} else if !util.IsValidPortNum(port.ContainerPort) {
pErrs = append(pErrs, errs.NewFieldInvalid("containerPort", port.ContainerPort, ""))
}
if port.HostPort != 0 && !util.IsValidPortNum(port.HostPort) {
pErrs = append(pErrs, errs.NewFieldInvalid("hostPort", port.HostPort, ""))
}
if len(port.Protocol) == 0 {
port.Protocol = "TCP"
} else if !supportedPortProtocols.Has(strings.ToUpper(string(port.Protocol))) {
pErrs = append(pErrs, errs.NewFieldNotSupported("protocol", port.Protocol))
}
allErrs = append(allErrs, pErrs.PrefixIndex(i)...)
}
return allErrs
}
// ValidateReplicationControllerSpec tests if required fields in the replication controller spec are set.
func ValidateReplicationControllerSpec(spec *api.ReplicationControllerSpec) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
selector := labels.Set(spec.Selector).AsSelector()
if selector.Empty() {
allErrs = append(allErrs, errs.NewFieldRequired("selector"))
}
if spec.Replicas < 0 {
allErrs = append(allErrs, errs.NewFieldInvalid("replicas", spec.Replicas, isNegativeErrorMsg))
}
if spec.Template == nil {
allErrs = append(allErrs, errs.NewFieldRequired("template"))
} else {
labels := labels.Set(spec.Template.Labels)
if !selector.Matches(labels) {
allErrs = append(allErrs, errs.NewFieldInvalid("template.labels", spec.Template.Labels, "selector does not match template"))
}
allErrs = append(allErrs, ValidatePodTemplateSpec(spec.Template, spec.Replicas).Prefix("template")...)
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
allErrs = append(allErrs, errs.NewFieldNotSupported("template.restartPolicy", spec.Template.Spec.RestartPolicy))
}
}
return allErrs
}
// ValidatePodUpdate tests to see if the update is legal
func ValidatePodUpdate(newPod, oldPod *api.Pod) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if newPod.Name != oldPod.Name {
allErrs = append(allErrs, errs.NewFieldInvalid("name", newPod.Name, "field is immutable"))
}
if len(newPod.Spec.Containers) != len(oldPod.Spec.Containers) {
allErrs = append(allErrs, errs.NewFieldInvalid("spec.containers", newPod.Spec.Containers, "may not add or remove containers"))
return allErrs
}
pod := *newPod
// Tricky, we need to copy the container list so that we don't overwrite the update
var newContainers []api.Container
for ix, container := range pod.Spec.Containers {
container.Image = oldPod.Spec.Containers[ix].Image
newContainers = append(newContainers, container)
}
pod.Spec.Containers = newContainers
if !api.Semantic.DeepEqual(pod.Spec, oldPod.Spec) {
// TODO: a better error would include all immutable fields explicitly.
allErrs = append(allErrs, errs.NewFieldInvalid("spec.containers", newPod.Spec.Containers, "some fields are immutable"))
}
return allErrs
}
// ValidateReplicationControllerSpec tests if required fields in the replication controller spec are set.
func ValidateReplicationControllerSpec(spec *api.ReplicationControllerSpec) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
selector := labels.Set(spec.Selector).AsSelector()
if selector.Empty() {
allErrs = append(allErrs, errs.NewFieldRequired("selector", spec.Selector))
}
if spec.Replicas < 0 {
allErrs = append(allErrs, errs.NewFieldInvalid("replicas", spec.Replicas, ""))
}
if spec.Template == nil {
allErrs = append(allErrs, errs.NewFieldRequired("template", spec.Template))
} else {
labels := labels.Set(spec.Template.Labels)
if !selector.Matches(labels) {
allErrs = append(allErrs, errs.NewFieldInvalid("template.labels", spec.Template.Labels, "selector does not match template"))
}
allErrs = append(allErrs, ValidatePodTemplateSpec(spec.Template).Prefix("template")...)
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
if spec.Template.Spec.RestartPolicy.Always == nil {
// TODO: should probably be Unsupported
// TODO: api.RestartPolicy should have a String() method for nicer printing
allErrs = append(allErrs, errs.NewFieldInvalid("template.restartPolicy", spec.Template.Spec.RestartPolicy, "must be Always"))
}
}
return allErrs
}
// ValidateService tests if required fields in the service are set.
func ValidateService(service *api.Service) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
allErrs = append(allErrs, ValidateObjectMeta(&service.ObjectMeta, true, ValidateServiceName).Prefix("metadata")...)
if !util.IsValidPortNum(service.Spec.Port) {
allErrs = append(allErrs, errs.NewFieldInvalid("spec.port", service.Spec.Port, portRangeErrorMsg))
}
if len(service.Spec.Protocol) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("spec.protocol"))
} else if !supportedPortProtocols.Has(strings.ToUpper(string(service.Spec.Protocol))) {
allErrs = append(allErrs, errs.NewFieldNotSupported("spec.protocol", service.Spec.Protocol))
}
if service.Spec.ContainerPort.Kind == util.IntstrInt && service.Spec.ContainerPort.IntVal != 0 && !util.IsValidPortNum(service.Spec.ContainerPort.IntVal) {
allErrs = append(allErrs, errs.NewFieldInvalid("spec.containerPort", service.Spec.Port, portRangeErrorMsg))
} else if service.Spec.ContainerPort.Kind == util.IntstrString && len(service.Spec.ContainerPort.StrVal) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("spec.containerPort"))
}
if service.Spec.Selector != nil {
allErrs = append(allErrs, ValidateLabels(service.Spec.Selector, "spec.selector")...)
}
if service.Spec.SessionAffinity == "" {
allErrs = append(allErrs, errs.NewFieldRequired("spec.sessionAffinity"))
} else if !supportedSessionAffinityType.Has(string(service.Spec.SessionAffinity)) {
allErrs = append(allErrs, errs.NewFieldNotSupported("spec.sessionAffinity", service.Spec.SessionAffinity))
}
return allErrs
}
// ValidateEvent makes sure that the event makes sense.
func ValidateEvent(event *api.Event) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if event.Namespace != event.InvolvedObject.Namespace {
allErrs = append(allErrs, errs.NewFieldInvalid("involvedObject.namespace", event.InvolvedObject.Namespace, "namespace does not match involvedObject"))
}
if !util.IsDNSSubdomain(event.Namespace) {
allErrs = append(allErrs, errs.NewFieldInvalid("namespace", event.Namespace, ""))
}
return allErrs
}
// ValidateLabels validates that a set of labels are correctly defined.
func ValidateLabels(labels map[string]string, field string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for k, v := range labels {
if !util.IsQualifiedName(k) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, k, qualifiedNameErrorMsg))
}
if !util.IsValidLabelValue(v) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, v, labelValueErrorMsg))
}
}
return allErrs
}
func validateGCEPersistentDisk(PD *api.GCEPersistentDisk) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if PD.PDName == "" {
allErrs = append(allErrs, errs.NewFieldInvalid("PD.PDName", PD.PDName))
}
if PD.FSType == "" {
allErrs = append(allErrs, errs.NewFieldInvalid("PD.FSType", PD.FSType))
}
if PD.Partition < 0 || PD.Partition > 255 {
allErrs = append(allErrs, errs.NewFieldInvalid("PD.Partition", PD.Partition))
}
return allErrs
}
// Validate compute resource typename.
// Refer to docs/resources.md for more details.
func validateResourceName(value string, field string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if !util.IsQualifiedName(value) {
return append(allErrs, errs.NewFieldInvalid(field, value, "resource typename: "+qualifiedNameErrorMsg))
}
if len(strings.Split(value, "/")) == 1 {
if !api.IsStandardResourceName(value) {
return append(allErrs, errs.NewFieldInvalid(field, value, "is neither a standard resource type nor is fully qualified"))
}
}
return errs.ValidationErrorList{}
}
func validateProbe(probe *api.Probe) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if probe == nil {
return allErrs
}
allErrs = append(allErrs, validateHandler(&probe.Handler)...)
if probe.InitialDelaySeconds < 0 {
allErrs = append(allErrs, errs.NewFieldInvalid("initialDelay", probe.InitialDelaySeconds, "may not be less than zero"))
}
if probe.TimeoutSeconds < 0 {
allErrs = append(allErrs, errs.NewFieldInvalid("timeout", probe.TimeoutSeconds, "may not be less than zero"))
}
return allErrs
}
// ValidateBoundPod tests if required fields on a bound pod are set.
func ValidateBoundPod(pod *api.BoundPod) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if len(pod.Name) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("name", pod.Name))
} else if !util.IsDNSSubdomain(pod.Name) {
allErrs = append(allErrs, errs.NewFieldInvalid("name", pod.Name, ""))
}
if len(pod.Namespace) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("namespace", pod.Namespace))
} else if !util.IsDNSSubdomain(pod.Namespace) {
allErrs = append(allErrs, errs.NewFieldInvalid("namespace", pod.Namespace, ""))
}
allErrs = append(allErrs, ValidatePodSpec(&pod.Spec).Prefix("spec")...)
return allErrs
}
// ValidateService tests if required fields in the service are set.
func ValidateService(service *api.Service) errs.ErrorList {
allErrs := errs.ErrorList{}
if len(service.ID) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("id", service.ID))
} else if !util.IsDNS952Label(service.ID) {
allErrs = append(allErrs, errs.NewFieldInvalid("id", service.ID))
}
if !util.IsValidPortNum(service.Port) {
allErrs = append(allErrs, errs.NewFieldInvalid("Service.Port", service.Port))
}
if labels.Set(service.Selector).AsSelector().Empty() {
allErrs = append(allErrs, errs.NewFieldRequired("selector", service.Selector))
}
return allErrs
}
func validateVolumes(volumes []api.Volume) (util.StringSet, errs.ValidationErrorList) {
allErrs := errs.ValidationErrorList{}
allNames := util.StringSet{}
for i := range volumes {
vol := &volumes[i] // so we can set default values
el := errs.ValidationErrorList{}
if vol.Source == nil {
// TODO: Enforce that a source is set once we deprecate the implied form.
vol.Source = &api.VolumeSource{
EmptyDir: &api.EmptyDir{},
}
}
el = validateSource(vol.Source).Prefix("source")
if len(vol.Name) == 0 {
el = append(el, errs.NewFieldRequired("name", vol.Name))
} else if !util.IsDNSLabel(vol.Name) {
el = append(el, errs.NewFieldInvalid("name", vol.Name, ""))
} else if allNames.Has(vol.Name) {
el = append(el, errs.NewFieldDuplicate("name", vol.Name))
}
if len(el) == 0 {
allNames.Insert(vol.Name)
} else {
allErrs = append(allErrs, el.PrefixIndex(i)...)
}
}
return allNames, allErrs
}
func validateSource(source *api.VolumeSource) errs.ValidationErrorList {
numVolumes := 0
allErrs := errs.ValidationErrorList{}
if source.HostPath != nil {
numVolumes++
allErrs = append(allErrs, validateHostPathVolumeSource(source.HostPath).Prefix("hostPath")...)
}
if source.EmptyDir != nil {
numVolumes++
// EmptyDirs have nothing to validate
}
if source.GitRepo != nil {
numVolumes++
allErrs = append(allErrs, validateGitRepoVolumeSource(source.GitRepo).Prefix("gitRepo")...)
}
if source.GCEPersistentDisk != nil {
numVolumes++
allErrs = append(allErrs, validateGCEPersistentDiskVolumeSource(source.GCEPersistentDisk).Prefix("persistentDisk")...)
}
if source.Secret != nil {
numVolumes++
allErrs = append(allErrs, validateSecretVolumeSource(source.Secret).Prefix("secret")...)
}
if numVolumes != 1 {
allErrs = append(allErrs, errs.NewFieldInvalid("", source, "exactly 1 volume type is required"))
}
return allErrs
}
func validateContainers(containers []api.Container, volumes util.StringSet) errs.ErrorList {
allErrs := errs.ErrorList{}
allNames := util.StringSet{}
for i := range containers {
cErrs := errs.ErrorList{}
ctr := &containers[i] // so we can set default values
if len(ctr.Name) == 0 {
cErrs = append(cErrs, errs.NewFieldRequired("name", ctr.Name))
} else if !util.IsDNSLabel(ctr.Name) {
cErrs = append(cErrs, errs.NewFieldInvalid("name", ctr.Name))
} else if allNames.Has(ctr.Name) {
cErrs = append(cErrs, errs.NewFieldDuplicate("name", ctr.Name))
} else {
allNames.Insert(ctr.Name)
}
if len(ctr.Image) == 0 {
cErrs = append(cErrs, errs.NewFieldRequired("image", ctr.Image))
}
cErrs = append(cErrs, validatePorts(ctr.Ports).Prefix("ports")...)
cErrs = append(cErrs, validateEnv(ctr.Env).Prefix("env")...)
cErrs = append(cErrs, validateVolumeMounts(ctr.VolumeMounts, volumes).Prefix("volumeMounts")...)
allErrs = append(allErrs, cErrs.PrefixIndex(i)...)
}
// Check for colliding ports across all containers.
// TODO(thockin): This really is dependent on the network config of the host (IP per pod?)
// and the config of the new manifest. But we have not specced that out yet, so we'll just
// make some assumptions for now. As of now, pods share a network namespace, which means that
// every Port.HostPort across the whole pod must be unique.
allErrs = append(allErrs, checkHostPortConflicts(containers)...)
return allErrs
}
// ValidateReplicationControllerState tests if required fields in the replication controller state are set.
func ValidateReplicationControllerState(state *api.ReplicationControllerState) errs.ErrorList {
allErrs := errs.ErrorList{}
if labels.Set(state.ReplicaSelector).AsSelector().Empty() {
allErrs = append(allErrs, errs.NewFieldRequired("replicaSelector", state.ReplicaSelector))
}
selector := labels.Set(state.ReplicaSelector).AsSelector()
labels := labels.Set(state.PodTemplate.Labels)
if !selector.Matches(labels) {
allErrs = append(allErrs, errs.NewFieldInvalid("podTemplate.labels", state.PodTemplate))
}
if state.Replicas < 0 {
allErrs = append(allErrs, errs.NewFieldInvalid("replicas", state.Replicas))
}
allErrs = append(allErrs, ValidateManifest(&state.PodTemplate.DesiredState.Manifest).Prefix("podTemplate.desiredState.manifest")...)
return allErrs
}
func (rs *REST) Update(ctx api.Context, obj runtime.Object) (<-chan apiserver.RESTResult, error) {
service := obj.(*api.Service)
if !api.ValidNamespace(ctx, &service.ObjectMeta) {
return nil, errors.NewConflict("service", service.Namespace, fmt.Errorf("Service.Namespace does not match the provided context"))
}
if errs := validation.ValidateService(service, rs.registry, ctx); len(errs) > 0 {
return nil, errors.NewInvalid("service", service.Name, errs)
}
return apiserver.MakeAsync(func() (runtime.Object, error) {
cur, err := rs.registry.GetService(ctx, service.Name)
if err != nil {
return nil, err
}
if service.Spec.PortalIP != cur.Spec.PortalIP {
// TODO: Would be nice to pass "field is immutable" to users.
el := errors.ValidationErrorList{errors.NewFieldInvalid("spec.portalIP", service.Spec.PortalIP)}
return nil, errors.NewInvalid("service", service.Name, el)
}
// Copy over non-user fields.
service.Spec.ProxyPort = cur.Spec.ProxyPort
// TODO: check to see if external load balancer status changed
err = rs.registry.UpdateService(ctx, service)
if err != nil {
return nil, err
}
return rs.registry.GetService(ctx, service.Name)
}), nil
}
// CreateObjects creates bulk of resources provided by items list. Each item must
// be valid API type. It requires ObjectTyper to parse the Version and Kind and
// RESTMapper to get the resource URI and REST client that knows how to create
// given type
func CreateObjects(typer runtime.ObjectTyper, mapper meta.RESTMapper, clientFor ClientFunc, objects []runtime.Object) errs.ValidationErrorList {
allErrors := errs.ValidationErrorList{}
for i, obj := range objects {
version, kind, err := typer.ObjectVersionAndKind(obj)
if err != nil {
reportError(&allErrors, i, errs.NewFieldInvalid("kind", obj))
continue
}
mapping, err := mapper.RESTMapping(version, kind)
if err != nil {
reportError(&allErrors, i, errs.NewFieldNotSupported("mapping", err))
continue
}
client, err := clientFor(mapping)
if err != nil {
reportError(&allErrors, i, errs.NewFieldNotSupported("client", obj))
continue
}
if err := CreateObject(client, mapping, obj); err != nil {
reportError(&allErrors, i, *err)
}
}
return allErrors.Prefix("Config")
}
// ValidateService tests if required fields in the service are set.
func ValidateService(service *api.Service, lister ServiceLister, ctx api.Context) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if len(service.Name) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("name", service.Name))
} else if !util.IsDNS952Label(service.Name) {
allErrs = append(allErrs, errs.NewFieldInvalid("name", service.Name, ""))
}
if !util.IsDNSSubdomain(service.Namespace) {
allErrs = append(allErrs, errs.NewFieldInvalid("namespace", service.Namespace, ""))
}
if !util.IsValidPortNum(service.Spec.Port) {
allErrs = append(allErrs, errs.NewFieldInvalid("spec.port", service.Spec.Port, ""))
}
if len(service.Spec.Protocol) == 0 {
service.Spec.Protocol = "TCP"
} else if !supportedPortProtocols.Has(strings.ToUpper(string(service.Spec.Protocol))) {
allErrs = append(allErrs, errs.NewFieldNotSupported("spec.protocol", service.Spec.Protocol))
}
if service.Spec.Selector != nil {
allErrs = append(allErrs, validateLabels(service.Spec.Selector, "spec.selector")...)
}
allErrs = append(allErrs, validateLabels(service.Labels, "labels")...)
if service.Spec.CreateExternalLoadBalancer {
services, err := lister.ListServices(ctx)
if err != nil {
allErrs = append(allErrs, errs.NewInternalError(err))
} else {
for i := range services.Items {
if services.Items[i].Name != service.Name &&
services.Items[i].Spec.CreateExternalLoadBalancer &&
services.Items[i].Spec.Port == service.Spec.Port {
allErrs = append(allErrs, errs.NewConflict("service", service.Name, fmt.Errorf("port: %d is already in use", service.Spec.Port)))
break
}
}
}
}
if service.Spec.SessionAffinity == "" {
service.Spec.SessionAffinity = api.AffinityTypeNone
} else if !supportedSessionAffinityType.Has(string(service.Spec.SessionAffinity)) {
allErrs = append(allErrs, errs.NewFieldNotSupported("spec.sessionAffinity", service.Spec.SessionAffinity))
}
return allErrs
}
// ValidateAnnotations validates that a set of annotations are correctly defined.
func ValidateAnnotations(annotations map[string]string, field string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
var totalSize int64
for k, v := range annotations {
if !util.IsQualifiedName(strings.ToLower(k)) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, k, qualifiedNameErrorMsg))
}
if !util.IsValidAnnotationValue(v) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, k, ""))
}
totalSize += (int64)(len(k)) + (int64)(len(v))
}
if totalSize > (int64)(totalAnnotationSizeLimitB) {
allErrs = append(allErrs, errs.NewFieldTooLong("annotations", ""))
}
return allErrs
}
// ValidateBoundPod tests if required fields on a bound pod are set.
// TODO: to be removed.
func ValidateBoundPod(pod *api.BoundPod) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if len(pod.Name) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("name", pod.Name))
} else {
if ok, qualifier := nameIsDNSSubdomain(pod.Name, false); !ok {
allErrs = append(allErrs, errs.NewFieldInvalid("name", pod.Name, qualifier))
}
}
if len(pod.Namespace) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("namespace", pod.Namespace))
} else if !util.IsDNSSubdomain(pod.Namespace) {
allErrs = append(allErrs, errs.NewFieldInvalid("namespace", pod.Namespace, dnsSubdomainErrorMsg))
}
allErrs = append(allErrs, ValidatePodSpec(&pod.Spec).Prefix("spec")...)
return allErrs
}
func ValidatePod(pod *Pod) (errors []error) {
if !util.IsDNSSubdomain(pod.Name) {
errors = append(errors, apierrs.NewFieldInvalid("name", pod.Name))
}
if errs := validation.ValidateManifest(&pod.Manifest); len(errs) != 0 {
errors = append(errors, errs...)
}
return errors
}
// ValidateNamespaceStatusUpdate tests to see if the update is legal for an end user to make. newNamespace is updated with fields
// that cannot be changed.
func ValidateNamespaceStatusUpdate(newNamespace, oldNamespace *api.Namespace) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
allErrs = append(allErrs, ValidateObjectMetaUpdate(&oldNamespace.ObjectMeta, &newNamespace.ObjectMeta).Prefix("metadata")...)
if newNamespace.Status.Phase != oldNamespace.Status.Phase {
allErrs = append(allErrs, errs.NewFieldInvalid("status.phase", newNamespace.Status.Phase, "namespace phase cannot be changed directly"))
}
newNamespace.Spec = oldNamespace.Spec
return allErrs
}
func validateTCPSocketAction(tcp *api.TCPSocketAction) errs.ValidationErrorList {
allErrors := errs.ValidationErrorList{}
if tcp.Port.Kind == util.IntstrInt && !util.IsValidPortNum(tcp.Port.IntVal) {
allErrors = append(allErrors, errs.NewFieldInvalid("port", tcp.Port, portRangeErrorMsg))
} else if tcp.Port.Kind == util.IntstrString && len(tcp.Port.StrVal) == 0 {
allErrors = append(allErrors, errs.NewFieldRequired("port"))
}
return allErrors
}
func validateLabels(labels map[string]string, field string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for k := range labels {
if !util.IsQualifiedName(k) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, k, ""))
}
}
return allErrs
}
// ValidateAnnotations validates that a set of annotations are correctly defined.
func ValidateAnnotations(annotations map[string]string, field string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for k := range annotations {
if !util.IsQualifiedName(strings.ToLower(k)) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, k, qualifiedNameErrorMsg))
}
}
return allErrs
}
