kubernetes/pkg/apis/core/pods/helpers.go

type ContainerVisitorWithPath …

// VisitContainersWithPath invokes the visitor function with a pointer to the spec
// of every container in the given pod spec and the field.Path to that container.
// If visitor returns false, visiting is short-circuited. VisitContainersWithPath returns true if visiting completes,
// false if visiting was short-circuited.
func VisitContainersWithPath(podSpec *api.PodSpec, specPath *field.Path, visitor ContainerVisitorWithPath) bool { … }

// ConvertDownwardAPIFieldLabel converts the specified downward API field label
// and its value in the pod of the specified version to the internal version,
// and returns the converted label and value. This function returns an error if
// the conversion fails.
func ConvertDownwardAPIFieldLabel(version, label, value string) (string, string, error) { … }