},
			},
			expectedSubPath:   "foo/$(POD_NAME)/$(ANNOTATION)",
			expectedMountPath: "",
			expectedOk:        false,
		},
		{
			name: "subpaths with missing env variables",
			container: &v1.Container{
				VolumeMounts: []v1.VolumeMount{{SubPathExpr: "foo/$(ODD_NAME)/$(POD_NAME)"}},
			},
			envs: []EnvVar{
				{
					Name:  "ODD_NAME",
					Value: "bar",
				},
			},

    - /monitor
    - --stackdriver-prefix=container.googleapis.com/internal/addons
    - --api-override=https://test-monitoring.sandbox.googleapis.com/
    - --pod-id=$(POD_NAME)
    - --namespace-id=$(POD_NAMESPACE)
    - --v=2
    env:
    - name: POD_NAME
      valueFrom:
        fieldRef:
          apiVersion: v1
          fieldPath: metadata.name
    - name: POD_NAMESPACE
      valueFrom:
        fieldRef:

    - /monitor
    - --stackdriver-prefix=container.googleapis.com/internal/addons
    - --api-override=https://test-monitoring.sandbox.googleapis.com/
    - --pod-id=$(POD_NAME)
    - --namespace-id=$(POD_NAMESPACE)
    - --v=2
    env:
    - name: POD_NAME
      valueFrom:
        fieldRef:
          apiVersion: v1
          fieldPath: metadata.name
    - name: POD_NAMESPACE
      valueFrom:
        fieldRef:

          - --log_output_level=default:info
          env:
          - name: PILOT_CERT_PROVIDER
            value: istiod
          - name: CA_ADDR
            value: istiod.istio-system.svc:15012
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: POD_NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace

    # namespace name, 'synth-lgr' is the container name and '997599971ee6..' is
    # the container ID.
    # The record reformer is used to extract pod_name, namespace_name and
    # container_name from the tag and set them in a local_resource_id in the
    # format of:
    # 'k8s_container.<NAMESPACE_NAME>.<POD_NAME>.<CONTAINER_NAME>'.
    # The reformer also changes the tags to 'stderr' or 'stdout' based on the
    # value of 'stream'.

        - name: PILOT_CERT_PROVIDER
          value: istiod
        - name: CA_ADDR
          value: istiod.istio-system.svc:15012
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: spec.nodeName
        - name: POD_NAME
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.name
        - name: POD_NAMESPACE

        - --log_output_level=default:info
        env:
        - name: PILOT_CERT_PROVIDER
          value: istiod
        - name: CA_ADDR
          value: istiod.istio-system.svc:15012
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace

						},
					},
				},
			},
		},
		{
			desc: "Build VMConfig on top of a base VMConfig",
			vm: &extensions.VmConfig{
				Env: []*extensions.EnvVar{
					{
						Name:      "POD_NAME",
						ValueFrom: extensions.EnvValueSource_HOST,
					},
					{
						Name:  "ENV1",
						Value: "VAL1",
					},
				},
			},
			policy: extensions.PullPolicy_UNSPECIFIED_POLICY,

          {{- end }}
          - name: NODE_NAME
            valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: spec.nodeName
          - name: POD_NAME
            valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: metadata.name

test","istio-locality":"regionA/zoneB/sub_zoneC","version":"v1alpha1"},"NAME":"svc-0-0-0-6944fb884d-4pgx8","NAMESPACE":"test","OUTLIER_LOG_PATH":"/dev/stdout","PILOT_SAN":["spiffe://cluster.local/ns/istio-system/sa/istio-pilot-service-account"],"POD_NAME":"svc-0-0-0-6944fb884d-4pgx8","PROXY_CONFIG":{"binaryPath":"/usr/local/bin/envoy","configPath":"/tmp/bootstrap/running","controlPlaneAuthPolicy":"MUTUAL_TLS","customConfigFile":"envoy_bootstrap.json","discoveryAddress":"mypilot:1001","drainDurat...