kubernetes/pkg/kubelet/container/runtime_cache.go

type RuntimeCache …

type podsGetter …

// NewRuntimeCache creates a container runtime cache.
func NewRuntimeCache(getter podsGetter, cachePeriod time.Duration) (RuntimeCache, error) { … }

type runtimeCache …

// GetPods returns the cached pods if they are not outdated; otherwise, it
// retrieves the latest pods and return them.
func (r *runtimeCache) GetPods(ctx context.Context) ([]*Pod, error) { … }

func (r *runtimeCache) ForceUpdateIfOlder(ctx context.Context, minExpectedCacheTime time.Time) error { … }

func (r *runtimeCache) updateCache(ctx context.Context) error { … }

// getPodsWithTimestamp records a timestamp and retrieves pods from the getter.
func (r *runtimeCache) getPodsWithTimestamp(ctx context.Context) ([]*Pod, time.Time, error) { … }