"topologyKeys": "topologyKeys is the list of keys supported by the driver. When a driver is initialized on a cluster, it provides a set of topology keys that it understands (e.g. \"company.com/zone\", \"company.com/region\"). When a driver is initialized on a node,...

	"topologyKeys": "topologyKeys is the list of keys supported by the driver. When a driver is initialized on a cluster, it provides a set of topology keys that it understands (e.g. \"company.com/zone\", \"company.com/region\"). When a driver is initialized on a node,...

  // refer to the node name using the ID that the storage system will
  // understand, e.g. "nodeA" instead of "node1". This field is required.
  optional string nodeID = 2;

  // topologyKeys is the list of keys supported by the driver.
  // When a driver is initialized on a cluster, it provides a set of topology
  // keys that it understands (e.g. "company.com/zone", "company.com/region").

			// Ignore parsing errors for backwards compatibility.
			if match, _ := requiredNodeAffinity.Match(node); !match {
				return
			}
		}

		// Ensure current node's labels contains all topologyKeys in 'Constraints'.
		if !nodeLabelsMatchSpreadConstraints(node.Labels, constraints) {
			return
		}

		tpCounts := make(map[topologyPair]int, len(constraints))
		for _, c := range constraints {

  // refer to the node name using the ID that the storage system will
  // understand, e.g. "nodeA" instead of "node1". This field is required.
  optional string nodeID = 2;

  // topologyKeys is the list of keys supported by the driver.
  // When a driver is initialized on a cluster, it provides a set of topology
  // keys that it understands (e.g. "company.com/zone", "company.com/region").

	// refer to the node name using the ID that the storage system will
	// understand, e.g. "nodeA" instead of "node1". This field is required.
	NodeID string

	// topologyKeys is the list of keys supported by the driver.
	// When a driver is initialized on a cluster, it provides a set of topology
	// keys that it understands (e.g. "company.com/zone", "company.com/region").

		allErrs = append(allErrs, field.Duplicate(fldPath.Child("name"), driver.Name))
	}
	driverNamesInSpecs.Insert(driver.Name)
	topoKeys := sets.New[string]()
	for _, key := range driver.TopologyKeys {
		if len(key) == 0 {
			allErrs = append(allErrs, field.Required(fldPath, key))
		}

		if topoKeys.Has(key) {
			allErrs = append(allErrs, field.Duplicate(fldPath, key))
		}
		topoKeys.Insert(key)

			},
			wantFilterStatuses: []*framework.Status{nil, nil},
			name:               "Test incoming pod's affinity: firstly check if all affinityTerms match, and then check if all topologyKeys match",
		},
		{
			pod: st.MakePod().Namespace(defaultNamespace).PodAffinityExists("foo", "region", st.PodAffinityWithRequiredReq).
				PodAffinityExists("bar", "zone", st.PodAffinityWithRequiredReq).Obj(),

				Name: "mynode",
			},
			Spec: storage.CSINodeSpec{
				Drivers: []storage.CSINodeDriver{
					{
						Name:         "com.example.csi/mydriver",
						NodeID:       "com.example.csi/mynode",
						TopologyKeys: []string{"com.example.csi/zone"},
					},
				},
			},
		}
		nodeInfoWrongName = &storage.CSINode{
			ObjectMeta: metav1.ObjectMeta{
				Name: "foo",
			},
			Spec: storage.CSINodeSpec{

		// c) X/?Y? means there are X matching pods on node1 and Y on node2, both nodes are candidates
		//    but node2 doesn't have all required topologyKeys present.
		{
			name: "one constraint on node, no existing pods",
			pod: st.MakePod().Name("p").Label("foo", "").
				SpreadConstraint(1, v1.LabelHostname, v1.ScheduleAnyway, fooSelector, nil, nil, nil, nil).