"metadata": {
                "GENERATOR": "grpc"
              }
            }
          }' > /var/lib/grpc/data/bootstrap.json
  containers:
  {{- range $index, $container := .Spec.Containers }}
  - name: {{ $container.Name }}
    env:
      - name: GRPC_XDS_BOOTSTRAP
        value: /var/lib/grpc/data/bootstrap.json
      - name: GRPC_GO_LOG_VERBOSITY_LEVEL
        value: "99"

  - name: {{ $container.Name }}
    env:
      - name: "GRPC_XDS_EXPERIMENTAL_SECURITY_SUPPORT"
        value: "true"
      - name: "GRPC_XDS_BOOTSTRAP"
        value: "/etc/istio/proxy/grpc-bootstrap.json"
    volumeMounts:
      - mountPath: /var/lib/istio/data
        name: istio-data
      # UDS channel between istioagent and gRPC client for XDS/SDS
      - mountPath: /etc/istio/proxy
        name: istio-xds

}

// DialOptions constructs gRPC dial options from command line configuration
func DialOptions(opts clioptions.CentralControlPlaneOptions,
	ns, serviceAccount string, kubeClient kube.CLIClient,
) ([]grpc.DialOption, error) {
	ctx := context.TODO()
	// If we are using the insecure 15010 don't bother getting a token
	if opts.Plaintext || opts.CertDir != "" {
		return make([]grpc.DialOption, 0), nil
	}
	// Use bearer token

	}
	conn.Close()
}

func connect(socket string) (*grpc.ClientConn, error) {
	var opts []grpc.DialOption

	opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
		var d net.Dialer
		return d.DialContext(ctx, "unix", socket)
	}))

	conn, err := grpc.Dial(socket, opts...)
	if err != nil {
		return nil, err
	}

// limitations under the License.

package xds

import (
	"context"
	"crypto/tls"
	"crypto/x509"
	"errors"
	"fmt"
	"strings"

	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials"
	"google.golang.org/grpc/credentials/oauth"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime/schema"

	"istio.io/istio/pkg/kube"
)

type meshAuthCredentials struct {

              "name": "default",
              "sds_config": {
               "api_config_source": {
                "api_type": "GRPC",
                "grpc_services": [
                 {
                  "envoy_grpc": {
                   "cluster_name": "sds-grpc"
                  }
                 }
                ],
                "set_node_on_first_message_only": true,

10.244.0.195:9080                                HEALTHY                  outbound|9080||reviews.default.svc.cluster.local
./var/run/secrets/workload-spiffe-uds/socket     HEALTHY                  sds-grpc
10.244.0.188:11800                               HEALTHY                  outbound|11800||skywalking-oap.skywalking.svc.cluster.local

                              "api_config_source": {
                                "api_type": "GRPC",
                                "grpc_services": [
                                  {
                                    "envoy_grpc": {
                                      "cluster_name": "sds-grpc"
                                    }
                                  }
                                ],

                        },
                        "http_filters": [
                          {
                            "name": "envoy.filters.http.grpc_stats",
                            "typed_config": {
                              "@type": "type.googleapis.com/envoy.extensions.filters.http.grpc_stats.v3.FilterConfig",
                              "emit_filter_state": true,
                              "stats_for_all_methods": false

                            "api_config_source": {
                              "api_type": "GRPC",
                              "grpc_services": [
                                {
                                  "envoy_grpc": {
                                    "cluster_name": "sds-grpc"
                                  }
                                }
                              ],