// SetupTestGrid creates a new grid for testing purposes.
// Select the number of hosts to create.
// Call (TestGrid).Cleanup() when done.
func SetupTestGrid(n int) (*TestGrid, error) {
	hosts, listeners, err := getHosts(n)
	if err != nil {
		return nil, err
	}
	dialer := &net.Dialer{
		Timeout: 5 * time.Second,
	}
	var res TestGrid
	res.Hosts = hosts
	ready := make(chan struct{})
	ctx, cancel := context.WithCancel(context.Background())

    {{- end }}
    {{- if and $sdMetrics $sdLogs }}
      accessLogging:
      - stackdriver
    {{- end }}
  {{- end }}

    defaultConfig:
      {{- if .Values.global.meshID }}
      meshId: "{{ .Values.global.meshID }}"
      {{- end }}
      {{- with (.Values.global.proxy.variant | default .Values.global.variant) }}
      image:
        imageType: {{. | quote}}
      {{- end }}

    {{- end }}
    {{- if and $sdMetrics $sdLogs }}
      accessLogging:
      - stackdriver
    {{- end }}
  {{- end }}

    defaultConfig:
      {{- if .Values.global.meshID }}
      meshId: "{{ .Values.global.meshID }}"
      {{- end }}
      {{- with (.Values.global.proxy.variant | default .Values.global.variant) }}
      image:
        imageType: {{. | quote}}
      {{- end }}

    {{- end}}
    {{- if .Values.global.meshID }}
    - name: ISTIO_META_MESH_ID
      value: "{{ .Values.global.meshID }}"
    {{- else if (valueOrDefault .MeshConfig.TrustDomain .Values.global.trustDomain) }}
    - name: ISTIO_META_MESH_ID

    {{- end}}
    {{- if .Values.global.meshID }}
    - name: ISTIO_META_MESH_ID
      value: "{{ .Values.global.meshID }}"
    {{- else if (valueOrDefault .MeshConfig.TrustDomain .Values.global.trustDomain) }}
    - name: ISTIO_META_MESH_ID