- name: credential-socket
      mountPath: /var/run/secrets/credential-uds
    {{- if eq .Values.global.caName "GkeWorkloadCertificate" }}
    - name: gke-workload-certificate
      mountPath: /var/run/secrets/workload-spiffe-credentials
      readOnly: true
    {{- else }}
    - name: workload-certs
      mountPath: /var/run/secrets/workload-spiffe-credentials
    {{- end }}

	if err != nil {
		return nil, fmt.Errorf("failed to create RPC credentials for \"%s.%s\": %w", serviceAccount, ns, err)
	}
	if isMCP {
		return mcpDialOptions(ctx, opts.GCPProject, k8sCreds)
	}
	return []grpc.DialOption{
		// nolint: gosec
		// Only runs over istioctl experimental
		// TODO: https://github.com/istio/istio/issues/41937
		grpc.WithTransportCredentials(credentials.NewTLS(
			&tls.Config{

    {{- if eq .Values.global.caName "GkeWorkloadCertificate" }}
    - name: gke-workload-certificate
      mountPath: /var/run/secrets/workload-spiffe-credentials
      readOnly: true
    {{- else }}
    - name: workload-certs
      mountPath: /var/run/secrets/workload-spiffe-credentials
    {{- end }}
    {{- if eq .Values.global.pilotCertProvider "istiod" }}
    - mountPath: /var/run/secrets/istio
      name: istiod-ca-cert

        - name: workload-socket
          mountPath: /var/run/secrets/workload-spiffe-uds
        - name: credential-socket
          mountPath: /var/run/secrets/credential-uds
        {{- if eq .Values.global.caName "GkeWorkloadCertificate" }}
        - name: gke-workload-certificate
          mountPath: /var/run/secrets/workload-spiffe-credentials
          readOnly: true
        {{- else }}
        - name: workload-certs

// limitations under the License.

package pluginlistener

import (
	"context"
	"net"
	"path/filepath"
	"testing"

	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials/insecure"
)

func TestCNIListener(t *testing.T) {
	f := filepath.Join(t.TempDir(), "test")
	l, err := NewListener(f)
	if err != nil {
		t.Fatalf("unexpected error %v", err)
	}
	defer l.Close()

    - name: credential-socket
      mountPath: /var/run/secrets/credential-uds
    {{- if eq .Values.global.caName "GkeWorkloadCertificate" }}
    - name: gke-workload-certificate
      mountPath: /var/run/secrets/workload-spiffe-credentials
      readOnly: true
    {{- else }}
    - name: workload-certs
      mountPath: /var/run/secrets/workload-spiffe-credentials
    {{- end }}

          volumeMounts:
          - name: workload-socket
            mountPath: /var/run/secrets/workload-spiffe-uds
          - name: credential-socket
            mountPath: /var/run/secrets/credential-uds
          - name: workload-certs
            mountPath: /var/run/secrets/workload-spiffe-credentials
          - name: istio-envoy
            mountPath: /etc/istio/proxy
          - name: config-volume

    - name: credential-socket
      mountPath: /var/run/secrets/credential-uds
    {{- if eq .Values.global.caName "GkeWorkloadCertificate" }}
    - name: gke-workload-certificate
      mountPath: /var/run/secrets/workload-spiffe-credentials
      readOnly: true
    {{- else }}
    - name: workload-certs
      mountPath: /var/run/secrets/workload-spiffe-credentials
    {{- end }}

    - name: credential-socket
      mountPath: /var/run/secrets/credential-uds
    {{- if eq .Values.global.caName "GkeWorkloadCertificate" }}
    - name: gke-workload-certificate
      mountPath: /var/run/secrets/workload-spiffe-credentials
      readOnly: true
    {{- else }}
    - name: workload-certs
      mountPath: /var/run/secrets/workload-spiffe-credentials
    {{- end }}

* `kclient.NewDelayedInformer` can also fully abstract this away, by providing a client that handles this behind the scenes.

#### Credentials Controller