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
}
// ValidateSecret tests if required fields in the Secret are set.
func ValidateSecret(secret *api.Secret) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
allErrs = append(allErrs, ValidateObjectMeta(&secret.ObjectMeta, true, ValidateSecretName).Prefix("metadata")...)
totalSize := 0
for key, value := range secret.Data {
if !util.IsDNSSubdomain(key) {
allErrs = append(allErrs, errs.NewFieldInvalid(fmt.Sprintf("data[%s]", key), key, cIdentifierErrorMsg))
}
totalSize += len(value)
}
if totalSize > api.MaxSecretSize {
allErrs = append(allErrs, errs.NewFieldForbidden("data", "Maximum secret size exceeded"))
}
return allErrs
}