// containerResourceRuntimeValue returns the value of the provided container resource
func containerResourceRuntimeValue(fs *api.ResourceFieldSelector, pod *api.Pod, container *api.Container) (string, error) {
containerName := fs.ContainerName
if len(containerName) == 0 {
return fieldpath.ExtractContainerResourceValue(fs, container)
} else {
return fieldpath.ExtractResourceValueByContainerName(fs, pod, containerName)
}
}
func getEnvVarRefValue(f *clientcmd.Factory, store *resourceStore, from *kapi.EnvVarSource, obj runtime.Object, c *kapi.Container) (string, error) {
if from.SecretKeyRef != nil {
return getSecretRefValue(f, store, from.SecretKeyRef)
}
if from.ConfigMapKeyRef != nil {
return getConfigMapRefValue(f, store, from.ConfigMapKeyRef)
}
if from.FieldRef != nil {
return fieldpath.ExtractFieldPathAsString(obj, from.FieldRef.FieldPath)
}
if from.ResourceFieldRef != nil {
return fieldpath.ExtractContainerResourceValue(from.ResourceFieldRef, c)
}
return "", fmt.Errorf("invalid valueFrom")
}