Spec:       api.PodSpec{},
	}
	podToleration := api.Toleration{
		Key:               "testKey",
		Operator:          "Equal",
		Value:             "testValue1",
		Effect:            "NoSchedule",
		TolerationSeconds: nil,
	}
	pod.Spec.Tolerations = []api.Toleration{podToleration}

	// this conflicts with pod's Tolerations
	namespaceToleration := podToleration
	namespaceToleration.Value = "testValue2"

func AddOrUpdateTolerationInPodSpec(spec *v1.PodSpec, toleration *v1.Toleration) bool {
	podTolerations := spec.Tolerations

	var newTolerations []v1.Toleration
	updated := false
	for i := range podTolerations {
		if toleration.MatchToleration(&podTolerations[i]) {
			if helper.Semantic.DeepEqual(toleration, podTolerations[i]) {
				return false
			}
			newTolerations = append(newTolerations, *toleration)

func AddOrUpdateTolerationInPod(pod *core.Pod, toleration *core.Toleration) bool {
	podTolerations := pod.Spec.Tolerations

	var newTolerations []core.Toleration
	updated := false
	for i := range podTolerations {
		if toleration.MatchToleration(&podTolerations[i]) {
			if Semantic.DeepEqual(toleration, podTolerations[i]) {
				return false
			}
			newTolerations = append(newTolerations, *toleration)

	ConfigHashAnnotationKey      = "kubernetes.io/config.hash"
)

// PodOperation defines what changes will be made on a pod configuration.
type PodOperation int

// These constants identify the PodOperations that can be made on a pod configuration.
const (
	// SET is the current pod configuration.
	SET PodOperation = iota
	// ADD signifies pods that are new to this source.
	ADD