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
}
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 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
}
func validateEnv(vars []api.EnvVar) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for i, ev := range vars {
vErrs := errs.ValidationErrorList{}
if len(ev.Name) == 0 {
vErrs = append(vErrs, errs.NewFieldRequired("name", ev.Name))
}
if !util.IsCIdentifier(ev.Name) {
vErrs = append(vErrs, errs.NewFieldInvalid("name", ev.Name, cIdentifierErrorMsg))
}
allErrs = append(allErrs, vErrs.PrefixIndex(i)...)
}
return allErrs
}
func validateEnv(vars []api.EnvVar) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for i := range vars {
vErrs := errs.ValidationErrorList{}
ev := &vars[i] // so we can set default values
if len(ev.Name) == 0 {
vErrs = append(vErrs, errs.NewFieldRequired("name", ev.Name))
}
if !util.IsCIdentifier(ev.Name) {
vErrs = append(vErrs, errs.NewFieldInvalid("name", ev.Name, ""))
}
allErrs = append(allErrs, vErrs.PrefixIndex(i)...)
}
return allErrs
}
func validateVolumeMounts(mounts []api.VolumeMount, volumes util.StringSet) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for i, mnt := range mounts {
mErrs := errs.ValidationErrorList{}
if len(mnt.Name) == 0 {
mErrs = append(mErrs, errs.NewFieldRequired("name", mnt.Name))
} else if !volumes.Has(mnt.Name) {
mErrs = append(mErrs, errs.NewFieldNotFound("name", mnt.Name))
}
if len(mnt.MountPath) == 0 {
mErrs = append(mErrs, errs.NewFieldRequired("mountPath", mnt.MountPath))
}
allErrs = append(allErrs, mErrs.PrefixIndex(i)...)
}
return allErrs
}
func validateContainers(containers []api.Container, volumes util.StringSet) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if len(containers) == 0 {
return append(allErrs, errs.NewFieldRequired(""))
}
allNames := util.StringSet{}
for i, ctr := range containers {
cErrs := errs.ValidationErrorList{}
capabilities := capabilities.Get()
if len(ctr.Name) == 0 {
cErrs = append(cErrs, errs.NewFieldRequired("name"))
} else if !util.IsDNS1123Label(ctr.Name) {
cErrs = append(cErrs, errs.NewFieldInvalid("name", ctr.Name, dns1123LabelErrorMsg))
} else if allNames.Has(ctr.Name) {
cErrs = append(cErrs, errs.NewFieldDuplicate("name", ctr.Name))
} else if ctr.Privileged && !capabilities.AllowPrivileged {
cErrs = append(cErrs, errs.NewFieldForbidden("privileged", ctr.Privileged))
} else {
allNames.Insert(ctr.Name)
}
if len(ctr.Image) == 0 {
cErrs = append(cErrs, errs.NewFieldRequired("image"))
}
if ctr.Lifecycle != nil {
cErrs = append(cErrs, validateLifecycle(ctr.Lifecycle).Prefix("lifecycle")...)
}
cErrs = append(cErrs, validateProbe(ctr.LivenessProbe).Prefix("livenessProbe")...)
cErrs = append(cErrs, validateProbe(ctr.ReadinessProbe).Prefix("readinessProbe")...)
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")...)
cErrs = append(cErrs, validatePullPolicy(&ctr).Prefix("pullPolicy")...)
cErrs = append(cErrs, validateResourceRequirements(&ctr).Prefix("resources")...)
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
}
// AccumulateUniquePorts runs an extraction function on each Port of each Container,
// accumulating the results and returning an error if any ports conflict.
func AccumulateUniquePorts(containers []api.Container, accumulator map[int]bool, extract func(*api.Port) int) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for ci, ctr := range containers {
cErrs := errs.ValidationErrorList{}
for pi := range ctr.Ports {
port := extract(&ctr.Ports[pi])
if port == 0 {
continue
}
if accumulator[port] {
cErrs = append(cErrs, errs.NewFieldDuplicate("port", port))
} else {
accumulator[port] = true
}
}
allErrs = append(allErrs, cErrs.PrefixIndex(ci)...)
}
return allErrs
}
// DataToObjects converts the raw JSON data into API objects
func DataToObjects(m meta.RESTMapper, t runtime.ObjectTyper, data []byte) (result []runtime.Object, errors errs.ValidationErrorList) {
configObj := []runtime.RawExtension{}
if err := yaml.Unmarshal(data, &configObj); err != nil {
errors = append(errors, errs.NewFieldInvalid("unmarshal", err))
return result, errors.Prefix("Config")
}
for i, in := range configObj {
version, kind, err := t.DataVersionAndKind(in.RawJSON)
if err != nil {
itemErrs := errs.ValidationErrorList{}
itemErrs = append(itemErrs, errs.NewFieldInvalid("kind", string(in.RawJSON)))
errors = append(errors, itemErrs.PrefixIndex(i).Prefix("item")...)
continue
}
mapping, err := m.RESTMapping(version, kind)
if err != nil {
itemErrs := errs.ValidationErrorList{}
itemErrs = append(itemErrs, errs.NewFieldRequired("mapping", err))
errors = append(errors, itemErrs.PrefixIndex(i).Prefix("item")...)
continue
}
obj, err := mapping.Codec.Decode(in.RawJSON)
if err != nil {
itemErrs := errs.ValidationErrorList{}
itemErrs = append(itemErrs, errs.NewFieldInvalid("decode", err))
errors = append(errors, itemErrs.PrefixIndex(i).Prefix("item")...)
continue
}
result = append(result, obj)
}
return
}