kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
)

// PodsByCreationTime makes an array of pods sortable by their creation
// timestamps in ascending order.
type PodsByCreationTime []*v1.Pod

func (s PodsByCreationTime) Len() int {
	return len(s)
}

func (s PodsByCreationTime) Swap(i, j int) {
	s[i], s[j] = s[j], s[i]
}

func (s PodsByCreationTime) Less(i, j int) bool {

	fooTests := []struct {
		pods PodsByCreationTime
		el   int
	}{
		{[]*v1.Pod{}, 0},
		{buildPodsByCreationTime(), 3},
		{[]*v1.Pod{nil, {}}, 2},
		{nil, 0},
	}

	for _, fooTest := range fooTests {
		r := fooTest.pods.Len()
		if r != fooTest.el {
			t.Errorf("returned %d but expected %d for the len of PodsByCreationTime=%s", r, fooTest.el, fooTest.pods)
		}
	}
}

}

// HandlePodAdditions is the callback in SyncHandler for pods being added from
// a config source.
func (kl *Kubelet) HandlePodAdditions(pods []*v1.Pod) {
	start := kl.clock.Now()
	sort.Sort(sliceutils.PodsByCreationTime(pods))
	if utilfeature.DefaultFeatureGate.Enabled(features.InPlacePodVerticalScaling) {
		kl.podResizeMutex.Lock()
		defer kl.podResizeMutex.Unlock()
	}
	for _, pod := range pods {