spec:        []string{"foo=ends.with.dot.:NoSchedule"},
			expectedErr: true,
		},
		// The value range of taint effect is "NoSchedule", "PreferNoSchedule", "NoExecute"
		{
			name:        "invalid spec effect for adding taint",
			spec:        []string{"foo=abc:invalid_effect"},
			expectedErr: true,
		},
		{
			name:        "invalid spec effect for deleting taint",

			}

			// Trigger detach volume which requires verifying safe to detach step
			// If forceDetatchTimeoutExpired is true, skip verifySafeToDetach check
			// If the node has node.kubernetes.io/out-of-service taint with NoExecute effect, skip verifySafeToDetach check
			logger.V(5).Info("Starting attacherDetacher.DetachVolume", "node", klog.KRef("", string(attachedVolume.NodeName)), "volumeName", attachedVolume.VolumeName)
			if hasOutOfServiceTaint {

* fluentd will tolerate all NoExecute Taints when run in gcp configuration. ([#45715](https://github.com/kubernetes/kubernetes/pull/45715), [@gmarek](https://github.com/gmarek))

				},
			},
			old: core.Pod{
				ObjectMeta: metav1.ObjectMeta{
					Name: "foo",
				},
				Spec: core.PodSpec{
					NodeName:    "node1",
					Tolerations: []core.Toleration{{Key: "key1", Value: "value1", Operator: "Equal", Effect: "NoExecute", TolerationSeconds: &[]int64{10}[0]}},
				},
			},

  * Add generic Toleration for NoExecute Taints to NodeProblemDetector, so that NPD can be scheduled to nodes with NoExecute taints by default. ([#45883](https://github.com/kubernetes/kubernetes/pull/45883), [@gmarek](https://github.com/gmarek))

// This function will
//   - add nodes which are not ready or not reachable for a long period of time to a rate-limited
//     queue so that NoExecute taints can be added by the goroutine running the doNoExecuteTaintingPass function,
//   - update the PodReady condition Pods according to the state of the Node Ready condition.

	if !fitsNodeName || !fitsNodeAffinity {
		return false, false
	}

	if !fitsTaints {
		// Scheduled daemon pods should continue running if they tolerate NoExecute taint.
		_, hasUntoleratedTaint := v1helper.FindMatchingUntoleratedTaint(taints, pod.Spec.Tolerations, func(t *v1.Taint) bool {
			return t.Effect == v1.TaintEffectNoExecute
		})
		return false, !hasUntoleratedTaint

	noScheduleTaints      = []v1.Taint{{Key: "dedicated", Value: "user1", Effect: "NoSchedule"}}
	noExecuteTaints       = []v1.Taint{{Key: "dedicated", Value: "user1", Effect: "NoExecute"}}
)

func nowPointer() *metav1.Time {
	now := metav1.Now()
	return &now
}

var (
	nodeNotReady = []v1.Taint{{
		Key:       v1.TaintNodeNotReady,
		Effect:    v1.TaintEffectNoExecute,

	Value string
	// Required. The effect of the taint on pods
	// that do not tolerate the taint.
	// Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
	Effect TaintEffect
	// TimeAdded represents the time at which the taint was added.
	// It is only written for NoExecute taints.
	// +optional
	TimeAdded *metav1.Time
}

// TaintEffect defines the effects of Taint
type TaintEffect string

        "properties": {
          "effect": {
            "description": "Effect indicates the taint effect to match. Empty means match all taint effects. When specified, allowed values are NoSchedule, PreferNoSchedule and NoExecute.",
            "type": "string"
          },
          "key": {