},
          {
          "prefix": "http.10.5.5.5_"
          },
          {
          "prefix": "http.10.6.6.6_"
          },
          {
          "prefix": "cluster_manager"
          },
          {
          "prefix": "listener_manager"
          },
          {
          "prefix": "server"
          },
          {
          "prefix": "cluster.xds-grpc"

      }
    ],
    "stats_matcher": {
      "inclusion_list": {
        "patterns": [
          {
          "prefix": "reporter="
          },
          {
          "prefix": "cluster_manager"
          },
          {
          "prefix": "listener_manager"
          },
          {
          "prefix": "server"
          },
          {
          "prefix": "cluster.xds-grpc"

      }
    ],
    "stats_matcher": {
      "inclusion_list": {
        "patterns": [
          {
          "prefix": "reporter="
          },
          {
          "prefix": "cluster_manager"
          },
          {
          "prefix": "listener_manager"
          },
          {
          "prefix": "server"
          },
          {
          "prefix": "cluster.xds-grpc"

              "key": "x-goog-user-project",
              "value": "{{ .gcp_project_id }}"
            }
          {{ end }}
          {{ end }}
          ]
        }
      ]
    }
  },
  "cluster_manager": {
    "load_stats_config": {
      "api_type": "GRPC",
      "transport_api_version": "V3",
      "grpc_services": [
        {
          "google_grpc": {
            "target_uri": "{{ .discovery_address }}",

      }
    ],
    "stats_matcher": {
      "inclusion_list": {
        "patterns": [
          {
          "prefix": "reporter="
          },
          {
          "prefix": "cluster_manager"
          },
          {
          "prefix": "listener_manager"
          },
          {
          "prefix": "server"
          },
          {
          "prefix": "cluster.xds-grpc"

          "socket_address": {{ .statsd }}
        }
      }
    }
    {{ end }}
  ]
  {{ end }}
  {{ if or .outlier_log_path .load_stats_config_json_str .deferred_cluster_creation}}
  ,
  "cluster_manager": {
    {{- if .deferred_cluster_creation}}
    "enable_deferred_cluster_creation": true,
    {{- end}}
    {{- if .outlier_log_path}}
    "outlier_detection": {
      "event_log_path": "{{ .outlier_log_path }}"

			 "discovery.type":"single-node",
			 <!--
			 "node.name":"search_engine",
			 "discovery.seed_hosts":"search_engine",
			 "cluster.initial_cluster_manager_nodes":"search_engine",
			 "node.roles":"cluster_manager,data,ingest,ml",
			 -->
			 "indices.breaker.total.limit":"100%",
			 "action.auto_create_index":"-*"}
		</property>
		<!-- Dictionaries -->
		<postConstruct name="addConfigFile">
			<arg>"fess"</arg>

	IstioMetaJSONPrefix = "ISTIO_METAJSON_"

	lightstepAccessTokenBase = "lightstep_access_token.txt"

	// required stats are used by readiness checks.
	requiredEnvoyStatsMatcherInclusionPrefixes = "cluster_manager,listener_manager,server,cluster.xds-grpc,wasm"

	rbacEnvoyStatsMatcherInclusionSuffix = "rbac.allowed,rbac.denied,shadow_allowed,shadow_denied"

	lastAlpn *atomic.String
}

const (
	testHeader      = "Some-Header"
	testHeaderValue = "some-value"
	testHostValue   = "test.com:9999"
)

var liveServerStats = "cluster_manager.cds.update_success: 1\nlistener_manager.lds.update_success: 1\nserver.state: 0\nlistener_manager.workers_started: 1"

func (h *handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	h.lastAlpn.Store(r.Proto)