func validateContainers(containers []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.NewRequired("name", ctr.Name))
} else if !util.IsDNSLabel(ctr.Name) {
cErrs = append(cErrs, errs.NewInvalid("name", ctr.Name))
} else if allNames.Has(ctr.Name) {
cErrs = append(cErrs, errs.NewDuplicate("name", ctr.Name))
} else {
allNames.Insert(ctr.Name)
}
if len(ctr.Image) == 0 {
cErrs = append(cErrs, errs.NewRequired("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
}
// ValidateService tests if required fields in the service are set.
func ValidateService(service *Service) errs.ErrorList {
allErrs := errs.ErrorList{}
if len(service.ID) == 0 {
allErrs = append(allErrs, errs.NewRequired("id", service.ID))
} else if !util.IsDNS952Label(service.ID) {
allErrs = append(allErrs, errs.NewInvalid("id", service.ID))
}
if !util.IsValidPortNum(service.Port) {
allErrs = append(allErrs, errs.NewInvalid("Service.Port", service.Port))
}
if labels.Set(service.Selector).AsSelector().Empty() {
allErrs = append(allErrs, errs.NewRequired("selector", service.Selector))
}
return allErrs
}
func validatePorts(ports []Port) errs.ErrorList {
allErrs := errs.ErrorList{}
allNames := util.StringSet{}
for i := range ports {
pErrs := errs.ErrorList{}
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.NewInvalid("name", port.Name))
} else if allNames.Has(port.Name) {
pErrs = append(pErrs, errs.NewDuplicate("name", port.Name))
} else {
allNames.Insert(port.Name)
}
}
if port.ContainerPort == 0 {
pErrs = append(pErrs, errs.NewRequired("containerPort", port.ContainerPort))
} else if !util.IsValidPortNum(port.ContainerPort) {
pErrs = append(pErrs, errs.NewInvalid("containerPort", port.ContainerPort))
}
if port.HostPort != 0 && !util.IsValidPortNum(port.HostPort) {
pErrs = append(pErrs, errs.NewInvalid("hostPort", port.HostPort))
}
if len(port.Protocol) == 0 {
port.Protocol = "TCP"
} else if !supportedPortProtocols.Has(strings.ToUpper(port.Protocol)) {
pErrs = append(pErrs, errs.NewNotSupported("protocol", port.Protocol))
}
allErrs = append(allErrs, pErrs.PrefixIndex(i)...)
}
return allErrs
}
func validateVolumes(volumes []Volume) (util.StringSet, errs.ErrorList) {
allErrs := errs.ErrorList{}
allNames := util.StringSet{}
for i := range volumes {
vol := &volumes[i] // so we can set default values
el := errs.ErrorList{}
// TODO(thockin) enforce that a source is set once we deprecate the implied form.
if vol.Source != nil {
el = validateSource(vol.Source).Prefix("source")
}
if len(vol.Name) == 0 {
el = append(el, errs.NewRequired("name", vol.Name))
} else if !util.IsDNSLabel(vol.Name) {
el = append(el, errs.NewInvalid("name", vol.Name))
} else if allNames.Has(vol.Name) {
el = append(el, errs.NewDuplicate("name", vol.Name))
}
if len(el) == 0 {
allNames.Insert(vol.Name)
} else {
allErrs = append(allErrs, el.PrefixIndex(i)...)
}
}
return allNames, allErrs
}
// Pod tests if required fields in the pod are set.
func ValidatePod(pod *Pod) errs.ErrorList {
allErrs := errs.ErrorList{}
if len(pod.ID) == 0 {
allErrs = append(allErrs, errs.NewRequired("id", pod.ID))
}
allErrs = append(allErrs, ValidatePodState(&pod.DesiredState).Prefix("desiredState")...)
return allErrs
}
func validateVolumeMounts(mounts []VolumeMount, volumes util.StringSet) errs.ErrorList {
allErrs := errs.ErrorList{}
for i := range mounts {
mErrs := errs.ErrorList{}
mnt := &mounts[i] // so we can set default values
if len(mnt.Name) == 0 {
mErrs = append(mErrs, errs.NewRequired("name", mnt.Name))
} else if !volumes.Has(mnt.Name) {
mErrs = append(mErrs, errs.NewNotFound("name", mnt.Name))
}
if len(mnt.MountPath) == 0 {
mErrs = append(mErrs, errs.NewRequired("mountPath", mnt.MountPath))
}
allErrs = append(allErrs, mErrs.PrefixIndex(i)...)
}
return allErrs
}
// ValidateReplicationController tests if required fields in the replication controller are set.
func ValidateReplicationController(controller *ReplicationController) errs.ErrorList {
allErrs := errs.ErrorList{}
if len(controller.ID) == 0 {
allErrs = append(allErrs, errs.NewRequired("id", controller.ID))
}
if labels.Set(controller.DesiredState.ReplicaSelector).AsSelector().Empty() {
allErrs = append(allErrs, errs.NewRequired("desiredState.replicaSelector", controller.DesiredState.ReplicaSelector))
}
selector := labels.Set(controller.DesiredState.ReplicaSelector).AsSelector()
labels := labels.Set(controller.DesiredState.PodTemplate.Labels)
if !selector.Matches(labels) {
allErrs = append(allErrs, errs.NewInvalid("desiredState.podTemplate.labels", controller.DesiredState.PodTemplate))
}
if controller.DesiredState.Replicas < 0 {
allErrs = append(allErrs, errs.NewInvalid("desiredState.replicas", controller.DesiredState.Replicas))
}
allErrs = append(allErrs, ValidateManifest(&controller.DesiredState.PodTemplate.DesiredState.Manifest).Prefix("desiredState.podTemplate.desiredState.manifest")...)
return allErrs
}
// 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 *ContainerManifest) errs.ErrorList {
allErrs := errs.ErrorList{}
if len(manifest.Version) == 0 {
allErrs = append(allErrs, errs.NewRequired("version", manifest.Version))
} else if !supportedManifestVersions.Has(strings.ToLower(manifest.Version)) {
allErrs = append(allErrs, errs.NewNotSupported("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 validateEnv(vars []EnvVar) errs.ErrorList {
allErrs := errs.ErrorList{}
for i := range vars {
vErrs := errs.ErrorList{}
ev := &vars[i] // so we can set default values
if len(ev.Name) == 0 {
vErrs = append(vErrs, errs.NewRequired("name", ev.Name))
}
if !util.IsCIdentifier(ev.Name) {
vErrs = append(vErrs, errs.NewInvalid("name", ev.Name))
}
allErrs = append(allErrs, vErrs.PrefixIndex(i)...)
}
return allErrs
}
func TestNewInvalidErr(t *testing.T) {
testCases := []struct {
Err apierrors.ValidationError
Details *api.StatusDetails
}{
{
apierrors.NewDuplicate("field[0].name", "bar"),
&api.StatusDetails{
Kind: "kind",
ID: "name",
Causes: []api.StatusCause{{
Type: api.CauseTypeFieldValueDuplicate,
Field: "field[0].name",
}},
},
},
{
apierrors.NewInvalid("field[0].name", "bar"),
&api.StatusDetails{
Kind: "kind",
ID: "name",
Causes: []api.StatusCause{{
Type: api.CauseTypeFieldValueInvalid,
Field: "field[0].name",
}},
},
},
{
apierrors.NewNotFound("field[0].name", "bar"),
&api.StatusDetails{
Kind: "kind",
ID: "name",
Causes: []api.StatusCause{{
Type: api.CauseTypeFieldValueNotFound,
Field: "field[0].name",
}},
},
},
{
apierrors.NewNotSupported("field[0].name", "bar"),
&api.StatusDetails{
Kind: "kind",
ID: "name",
Causes: []api.StatusCause{{
Type: api.CauseTypeFieldValueNotSupported,
Field: "field[0].name",
}},
},
},
{
apierrors.NewRequired("field[0].name", "bar"),
&api.StatusDetails{
Kind: "kind",
ID: "name",
Causes: []api.StatusCause{{
Type: api.CauseTypeFieldValueRequired,
Field: "field[0].name",
}},
},
},
}
for i := range testCases {
vErr, expected := testCases[i].Err, testCases[i].Details
expected.Causes[0].Message = vErr.Error()
err := NewInvalidErr("kind", "name", apierrors.ErrorList{vErr})
status := errToAPIStatus(err)
if status.Code != 422 || status.Reason != api.StatusReasonInvalid {
t.Errorf("unexpected status: %#v", status)
}
if !reflect.DeepEqual(expected, status.Details) {
t.Errorf("expected %#v, got %#v", expected, status.Details)
}
}
}