- name: POD_NAMESPACE
      valueFrom:
        fieldRef:
          fieldPath: metadata.namespace
    - name: INSTANCE_IP
      valueFrom:
        fieldRef:
          fieldPath: status.podIP
    - name: SERVICE_ACCOUNT
      valueFrom:
        fieldRef:
          fieldPath: spec.serviceAccountName
    - name: HOST_IP
      valueFrom:
        fieldRef:
          fieldPath: status.hostIP

    - name: POD_NAMESPACE
      valueFrom:
        fieldRef:
          fieldPath: metadata.namespace
    - name: INSTANCE_IP
      valueFrom:
        fieldRef:
          fieldPath: status.podIP
    - name: SERVICE_ACCOUNT
      valueFrom:
        fieldRef:
          fieldPath: spec.serviceAccountName
    - name: HOST_IP
      valueFrom:
        fieldRef:
          fieldPath: status.hostIP

// podWorkers keeps track of operations on pods and ensures each pod is
// reconciled with the container runtime and other subsystems. The worker
// also tracks which pods are in flight for starting, which pods are
// shutting down but still have running containers, and which pods have
// terminated recently and are guaranteed to have no running containers.
//
// podWorkers is the source of truth for what pods should be active on a

	pods := []*v1.Pod{}
	for i := int32(0); i < 4; i++ {
		ps.VerifyPdbStatus(t, pdbName, 0, i, 3, i, map[string]metav1.Time{})
		pod, _ := newPod(t, fmt.Sprintf("yo-yo-yo %d", i))
		pods = append(pods, pod)
		add(t, dc.podStore, pod)
		dc.sync(ctx, pdbName)
	}
	ps.VerifyPdbStatus(t, pdbName, 1, 4, 3, 4, map[string]metav1.Time{})

	// Now set one pod as unavailable
	pods[0].Status.Conditions = []v1.PodCondition{}

    - name: POD_NAMESPACE
      valueFrom:
        fieldRef:
          fieldPath: metadata.namespace
    - name: INSTANCE_IP
      valueFrom:
        fieldRef:
          fieldPath: status.podIP
    - name: SERVICE_ACCOUNT
      valueFrom:
        fieldRef:
          fieldPath: spec.serviceAccountName
    - name: HOST_IP
      valueFrom:
        fieldRef:
          fieldPath: status.hostIP

    - name: POD_NAMESPACE
      valueFrom:
        fieldRef:
          fieldPath: metadata.namespace
    - name: INSTANCE_IP
      valueFrom:
        fieldRef:
          fieldPath: status.podIP
    - name: SERVICE_ACCOUNT
      valueFrom:
        fieldRef:
          fieldPath: spec.serviceAccountName
    - name: HOST_IP
      valueFrom:
        fieldRef:
          fieldPath: status.hostIP

		// Find filesystem volume information
		// ex. filesystem volume: /pods/{podUid}/volumes/{escapeQualifiedPluginName}/{volumeName}
		volumesDirs := map[v1.PersistentVolumeMode]string{
			v1.PersistentVolumeFilesystem: filepath.Join(podDir, config.DefaultKubeletVolumesDirName),
		}
		// Find block volume information
		// ex. block volume: /pods/{podUid}/volumeDevices/{escapeQualifiedPluginName}/{volumeName}

	}

	// if the update of initialized pod is not ignored, an error will be returned because the pod's Tolerations conflicts with namespace's Tolerations.
	err = admissiontesting.WithReinvocationTesting(t, handler).Admit(context.TODO(), admission.NewAttributesRecord(pod, pod, api.Kind("Pod").WithVersion("version"), "testNamespace", pod.ObjectMeta.Name, api.Resource("pods").WithVersion("version"), "", admission.Update, &metav1.CreateOptions{}, false, nil), nil)

}

// NominatedPodsForNode returns a copy of pods that are nominated to run on the given node,
// but they are waiting for other pods to be removed from the node.
func (npm *nominator) NominatedPodsForNode(nodeName string) []*framework.PodInfo {
	npm.lock.RLock()
	defer npm.lock.RUnlock()
	// Make a copy of the nominated Pods so the caller can mutate safely.
	pods := make([]*framework.PodInfo, len(npm.nominatedPods[nodeName]))

	// inlineVolumeSpec contains all the information necessary to attach
	// a persistent volume defined by a pod's inline VolumeSource. This field
	// is populated only for the CSIMigration feature. It contains
	// translated fields from a pod's inline VolumeSource to a
	// PersistentVolumeSpec. This field is beta-level and is only
	// honored by servers that enabled the CSIMigration feature.