return sa, nil
}

type fakeClientImpl struct {
	kube.CLIClient
	clusterID cluster.ID
}

func (f *fakeClientImpl) ClusterID() cluster.ID {
	return f.clusterID
}

func addStore(sa *local.IstiodAnalyzer, clusterName string, yamls []string) error {
	client := &fakeClientImpl{
		CLIClient: kube.NewFakeClient(),
		clusterID: cluster.ID(clusterName),
	}
	// Gather test files

    func.func @main() -> () {
     %0 = "tf_device.cluster"() ({
        "tf_device.launch"() ({
          "tf.B"() : () -> ()
          tf_device.return // end device
        }) {device = "/job:worker/replica:0/task:0/device:CPU:0"} : () -> ()

        tf_device.return // end cluster
      }) {cluster_attr = "cluster_attr"} : () -> tensor<*xi32>
      func.return
    }
  })";

	if err != nil {
		return err
	}
	return nil
}

func newKube(ctx resource.Context, cfgIn Config) (Instance, error) {
	c := &kubeComponent{
		cluster: ctx.Clusters().GetOrDefault(cfgIn.Cluster),
	}
	c.id = ctx.TrackResource(c)

	// Find the zipkin pod and service, and start forwarding a local port.
	cfg, err := istio.DefaultConfig(ctx)
	if err != nil {
		return nil, err
	}

func (c Clusters) Default() Cluster {
	return c[0]
}

// GetOrDefault returns the given cluster if non-nil. Otherwise returns the first
// Cluster in the list.
func (c Clusters) GetOrDefault(cluster Cluster) Cluster {
	if cluster != nil {
		return cluster
	}
	return c.Default()
}

// GetByName returns the Cluster with the given name or nil if it is not in the list.

	"istio.io/istio/pilot/pkg/features"
	"istio.io/istio/pkg/cluster"
	"istio.io/istio/pkg/config/mesh"
	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/kube/kclient"
	filter "istio.io/istio/pkg/kube/namespace"
	"istio.io/istio/pkg/log"
)

// Cluster defines cluster struct
type Cluster struct {
	// ID of the cluster.
	ID cluster.ID
	// Client for accessing the cluster.
	Client kube.Client

	kubeConfigSha [sha256.Size]byte

	}
	diff := difflib.UnifiedDiff{
		FromFile: "Istiod Clusters",
		A:        difflib.SplitLines(istiodBytes.String()),
		ToFile:   "Envoy Clusters",
		B:        difflib.SplitLines(envoyBytes.String()),
		Context:  c.context,
	}
	text, err := difflib.GetUnifiedDiffString(diff)
	if err != nil {
		return err
	}
	if text != "" {
		fmt.Fprintln(c.w, "Clusters Don't Match")
		fmt.Fprintln(c.w, text)
	} else {

}

// CHECK: func private @[[CLUSTER]]
// CHECK-SAME: () -> tensor<?xi32>
// CHECK: %[[A_OUTPUT:[0-9]*]] = "tf.A"()
// CHECK: return %[[A_OUTPUT]]

// -----

// Tests cluster attributes are copied over to cluster_func.

// CHECK-LABEL: func @cluster_attrs
func.func @cluster_attrs() -> tensor<?xi32> {
  %0 = "tf_device.cluster"() ({
    %1 = "tf.A"() : () -> tensor<?xi32>

    }
    clusters[cluster][n->type_string()]++;
    cluster_size[cluster]++;
  }

  string result =
      absl::StrCat("Clustered nodes: ", clustered_nodes,
                   "\nUnclustered nodes: ", cluster_size[kNoCluster],
                   "\nNumber of clusters: ", clusters.size() - 1, "\n\n");
  for (const auto& pair : clusters) {
    if (pair.first == kNoCluster) {
      absl::StrAppend(&result, "unclustered");

	}

	if i.cfg.DeployIstio {
		errG := multierror.Group{}
		// Make sure to clean up primary clusters before remotes, or istiod will recreate some of the CMs that we delete
		// in the remote clusters before it's deleted.
		for _, c := range i.ctx.AllClusters().Primaries() {
			i.cleanupCluster(c, &errG)
		}
		for _, c := range i.ctx.Clusters().Remotes() {
			i.cleanupCluster(c, &errG)
		}
		return errG.Wait().ErrorOrNil()
	}

		"Reduced redundancy storage class parity")
	configStandardParityMD = NewGaugeMD(configStandardParity,
		"Standard storage class parity")
)

// loadClusterConfigMetrics - `MetricsLoaderFn` for cluster config
// such as standard and RRS parity.
func loadClusterConfigMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
	clusterDriveMetrics, err := c.clusterDriveMetrics.Get()
	if err != nil {