"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

  admin: warning
  aws: warning
  assert: warning
  backtrace: warning
  client: warning
  config: warning
  connection: warning
  dubbo: warning
  file: warning
  filter: warning
  forward_proxy: warning
  grpc: warning
  hc: warning
  health_checker: warning
  http: warning
  http2: warning
  hystrix: warning
  init: warning
  io: warning
  jwt: warning
  kafka: warning
  lua: warning
  main: warning

            tlsMode: istio
          istio:
            workload: reviews-v1;default;reviews;v1;Kubernetes
    loadBalancingWeight: 3
    locality: {}
  policy:
    overprovisioningFactor: 140
- clusterName: sds-grpc
  endpoints:
  - lbEndpoints:
    - endpoint:
        address:
          pipe:
            path: ./var/run/secrets/workload-spiffe-uds/socket
        healthCheckConfig: {}
      healthStatus: HEALTHY

digraph { grpc -> ca [label="Send CSR gRPC Request"] subgraph cluster_istioagent { label = "Istio Agent" color="orange" sds SecretManager -> caClient [label="Sign CSR"] caClient -> grpc grpc -> TokenProvider [dir=none,label="Fetch JWT",color=purple] grpc -> cfiles [dir=none,label="Fetch Cert",color=purple] sds -> SecretManager [label="Generate certificate"] SecretManager -> cfiles [label="Write certs to file"] cfiles [label="Certificate Files"] grpc [shape=diamond] } subgraph cluster_istiod {...

              "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

{{- end }}
{{- if not (hasKey .Values.sidecarInjectorWebhook.templates "grpc-simple") }}
      grpc-simple: |
{{ .Files.Get "files/grpc-simple.yaml" | trim | indent 8 }}
{{- end }}
{{- if not (hasKey .Values.sidecarInjectorWebhook.templates "grpc-agent") }}
      grpc-agent: |
{{ .Files.Get "files/grpc-agent.yaml" | trim | indent 8 }}
{{- end }}

	}
	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
	}