// 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", service.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.Selector != nil {
allErrs = append(allErrs, ValidateLabels(service.Spec.Selector, "spec.selector")...)
}
if service.Spec.SessionAffinity == "" {
allErrs = append(allErrs, errs.NewFieldRequired("spec.sessionAffinity", service.Spec.SessionAffinity))
} else if !supportedSessionAffinityType.Has(string(service.Spec.SessionAffinity)) {
allErrs = append(allErrs, errs.NewFieldNotSupported("spec.sessionAffinity", service.Spec.SessionAffinity))
}
return allErrs
}
// 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")
}
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
}
// 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
}
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
}
// 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
}
func validateLabels(labels map[string]string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for k := range labels {
if !util.IsDNS952Label(k) {
allErrs = append(allErrs, errs.NewFieldNotSupported("label", k))
}
}
return allErrs
}
func ValidatePodState(podState *api.PodState) errs.ErrorList {
allErrs := errs.ErrorList(ValidateManifest(&podState.Manifest)).Prefix("manifest")
if podState.RestartPolicy.Type == "" {
podState.RestartPolicy.Type = api.RestartAlways
} else if podState.RestartPolicy.Type != api.RestartAlways &&
podState.RestartPolicy.Type != api.RestartOnFailure &&
podState.RestartPolicy.Type != api.RestartNever {
allErrs = append(allErrs, errs.NewFieldNotSupported("restartPolicy.type", podState.RestartPolicy.Type))
}
return allErrs
}
func validateDNSPolicy(dnsPolicy *api.DNSPolicy) errs.ValidationErrorList {
allErrors := errs.ValidationErrorList{}
switch *dnsPolicy {
case api.DNSClusterFirst, api.DNSDefault:
break
case "":
allErrors = append(allErrors, errs.NewFieldRequired("", *dnsPolicy))
default:
allErrors = append(allErrors, errs.NewFieldNotSupported("", dnsPolicy))
}
return allErrors
}
func validateDNSPolicy(dnsPolicy *api.DNSPolicy) errs.ValidationErrorList {
allErrors := errs.ValidationErrorList{}
switch *dnsPolicy {
case "":
// TODO: move this out to standard defaulting logic, when that is ready.
*dnsPolicy = api.DNSClusterFirst // Default value.
case api.DNSClusterFirst, api.DNSDefault:
break
default:
allErrors = append(allErrors, errs.NewFieldNotSupported("", dnsPolicy))
}
return allErrors
}
// ValidateManifest tests that the specified ContainerManifest has valid data.
// This includes checking formatting and uniqueness. It also canonicalizes the
// structure by setting default values and implementing any backwards-compatibility
// tricks.
func ValidateManifest(manifest *api.ContainerManifest) errs.ErrorList {
allErrs := errs.ErrorList{}
if len(manifest.Version) == 0 {
allErrs = append(allErrs, errs.NewFieldRequired("version", manifest.Version))
} else if !supportedManifestVersions.Has(strings.ToLower(manifest.Version)) {
allErrs = append(allErrs, errs.NewFieldNotSupported("version", manifest.Version))
}
allVolumes, errs := validateVolumes(manifest.Volumes)
allErrs = append(allErrs, errs.Prefix("volumes")...)
allErrs = append(allErrs, validateContainers(manifest.Containers, allVolumes).Prefix("containers")...)
return allErrs
}
func validateRestartPolicy(restartPolicy *api.RestartPolicy) errs.ValidationErrorList {
allErrors := errs.ValidationErrorList{}
switch *restartPolicy {
case api.RestartPolicyAlways, api.RestartPolicyOnFailure, api.RestartPolicyNever:
break
case "":
allErrors = append(allErrors, errs.NewFieldRequired(""))
default:
allErrors = append(allErrors, errs.NewFieldNotSupported("", restartPolicy))
}
return allErrors
}
func validatePullPolicy(ctr *api.Container) errs.ValidationErrorList {
allErrors := errs.ValidationErrorList{}
switch ctr.ImagePullPolicy {
case api.PullAlways, api.PullIfNotPresent, api.PullNever:
break
case "":
allErrors = append(allErrors, errs.NewFieldRequired("", ctr.ImagePullPolicy))
default:
allErrors = append(allErrors, errs.NewFieldNotSupported("", ctr.ImagePullPolicy))
}
return allErrors
}
// 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.TargetPort.Kind == util.IntstrInt && service.Spec.TargetPort.IntVal != 0 && !util.IsValidPortNum(service.Spec.TargetPort.IntVal) {
allErrs = append(allErrs, errs.NewFieldInvalid("spec.containerPort", service.Spec.Port, portRangeErrorMsg))
} else if service.Spec.TargetPort.Kind == util.IntstrString && len(service.Spec.TargetPort.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))
}
if api.IsServiceIPSet(service) {
if ip := net.ParseIP(service.Spec.PortalIP); ip == nil {
allErrs = append(allErrs, errs.NewFieldInvalid("spec.portalIP", service.Spec.PortalIP, "portalIP should be empty, 'None', or a valid IP address"))
}
}
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 len(service.Protocol) == 0 {
service.Protocol = "TCP"
} else if !supportedPortProtocols.Has(strings.ToUpper(service.Protocol)) {
allErrs = append(allErrs, errs.NewFieldNotSupported("protocol", service.Protocol))
}
if labels.Set(service.Selector).AsSelector().Empty() {
allErrs = append(allErrs, errs.NewFieldRequired("selector", service.Selector))
}
return allErrs
}
// TODO(dchen1107): Move this along with other defaulting values
func validatePullPolicyWithDefault(ctr *api.Container) errs.ValidationErrorList {
allErrors := errs.ValidationErrorList{}
// TODO(dchen1107): Move ParseImageName code to pkg/util
if len(ctr.ImagePullPolicy) == 0 {
parts := strings.Split(ctr.Image, ":")
// Check image tag
if parts[len(parts)-1] == "latest" {
ctr.ImagePullPolicy = api.PullAlways
} else {
ctr.ImagePullPolicy = api.PullIfNotPresent
}
}
if ctr.ImagePullPolicy != api.PullAlways &&
ctr.ImagePullPolicy != api.PullIfNotPresent &&
ctr.ImagePullPolicy != api.PullNever {
allErrors = append(allErrors, errs.NewFieldNotSupported("", ctr.ImagePullPolicy))
}
return allErrors
}
// TODO: unify with validation.validateLabels
func validateLabelKey(k string) error {
if !util.IsDNSLabel(k) {
return errors.NewFieldNotSupported("key", k)
}
return nil
}