{
  "node": {
    "id": "sidecar~1.2.3.4~foo~bar",
    "cluster": "istio-proxy",
    "locality": {
    },
    "metadata": {"ENVOY_PROMETHEUS_PORT":15090,"ENVOY_STATUS_PORT":15021,"INSTANCE_IPS":"10.3.3.3,10.4.4.4,10.5.5.5,10.6.6.6","OUTLIER_LOG_PATH":"/dev/stdout","PILOT_SAN":["spiffe://cluster.local/ns/dubbo-system/sa/istio-pilot-service-account"],"PROXY_CONFIG":{"binaryPath":"/usr/local/bin/envoy","configPath":"/tmp/bootstrap/tracing_zipkin","customConfigFile":"envoy_bootstrap.json","discoveryAddress":"istio-pilot:15010","drainDuration":"2s","parentShutdownDuration":"3s","proxyAdminPort":15000,"serviceCluster":"istio-proxy","statusPort":15020,"tracing":{"zipkin":{"address":"localhost:6000"}}}}
  },
  "layered_runtime": {
      "layers": [
          {
            "name": "global config",
            "static_layer": {"envoy.deprecated_features:envoy.config.listener.v3.Listener.hidden_envoy_deprecated_use_original_dst":"true","envoy.reloadable_features.http_reject_path_with_fragment":"false","envoy.reloadable_features.no_extension_lookup_by_name":"false","envoy.reloadable_features.require_strict_1xx_and_204_response_headers":"false","overload.global_downstream_max_connections":"2147483647","re2.max_program_size.error_level":"32768"}
          },
          {
              "name": "admin",
              "admin_layer": {}
          }
      ]
  },
  "stats_config": {
    "use_all_default_tags": false,
    "stats_tags": [
      {
        "tag_name": "cluster_name",
        "regex": "^cluster\\.((.+?(\\..+?\\.svc\\.cluster\\.local)?)\\.)"
      },
      {
        "tag_name": "tcp_prefix",
        "regex": "^tcp\\.((.*?)\\.)\\w+?$"
      },
      {
        "regex": "(response_code=\\.=(.+?);\\.;)|_rq(_(\\.d{3}))$",
        "tag_name": "response_code"
      },
      {
        "tag_name": "response_code_class",
        "regex": "_rq(_(\\dxx))$"
      },
      {
        "tag_name": "http_conn_manager_listener_prefix",
        "regex": "^listener(?=\\.).*?\\.http\\.(((?:[_.[:digit:]]*|[_\\[\\]aAbBcCdDeEfF[:digit:]]*))\\.)"
      },
      {
        "tag_name": "http_conn_manager_prefix",
        "regex": "^http\\.(((?:[_.[:digit:]]*|[_\\[\\]aAbBcCdDeEfF[:digit:]]*))\\.)"
      },
      {
        "tag_name": "listener_address",
        "regex": "^listener\\.(((?:[_.[:digit:]]*|[_\\[\\]aAbBcCdDeEfF[:digit:]]*))\\.)"
      },
      {
        "tag_name": "mongo_prefix",
        "regex": "^mongo\\.(.+?)\\.(collection|cmd|cx_|op_|delays_|decoding_)(.*?)$"
      },
      {
        "regex": "(reporter=\\.=(.*?);\\.;)",
        "tag_name": "reporter"
      },
      {
        "regex": "(source_namespace=\\.=(.*?);\\.;)",
        "tag_name": "source_namespace"
      },
      {
        "regex": "(source_workload=\\.=(.*?);\\.;)",
        "tag_name": "source_workload"
      },
      {
        "regex": "(source_workload_namespace=\\.=(.*?);\\.;)",
        "tag_name": "source_workload_namespace"
      },
      {
        "regex": "(source_principal=\\.=(.*?);\\.;)",
        "tag_name": "source_principal"
      },
      {
        "regex": "(source_app=\\.=(.*?);\\.;)",
        "tag_name": "source_app"
      },
      {
        "regex": "(source_version=\\.=(.*?);\\.;)",
        "tag_name": "source_version"
      },
      {
        "regex": "(source_cluster=\\.=(.*?);\\.;)",
        "tag_name": "source_cluster"
      },
      {
        "regex": "(destination_namespace=\\.=(.*?);\\.;)",
        "tag_name": "destination_namespace"
      },
      {
        "regex": "(destination_workload=\\.=(.*?);\\.;)",
        "tag_name": "destination_workload"
      },
      {
        "regex": "(destination_workload_namespace=\\.=(.*?);\\.;)",
        "tag_name": "destination_workload_namespace"
      },
      {
        "regex": "(destination_principal=\\.=(.*?);\\.;)",
        "tag_name": "destination_principal"
      },
      {
        "regex": "(destination_app=\\.=(.*?);\\.;)",
        "tag_name": "destination_app"
      },
      {
        "regex": "(destination_version=\\.=(.*?);\\.;)",
        "tag_name": "destination_version"
      },
      {
        "regex": "(destination_service=\\.=(.*?);\\.;)",
        "tag_name": "destination_service"
      },
      {
        "regex": "(destination_service_name=\\.=(.*?);\\.;)",
        "tag_name": "destination_service_name"
      },
      {
        "regex": "(destination_service_namespace=\\.=(.*?);\\.;)",
        "tag_name": "destination_service_namespace"
      },
      {
        "regex": "(destination_port=\\.=(.*?);\\.;)",
        "tag_name": "destination_port"
      },
      {
        "regex": "(destination_cluster=\\.=(.*?);\\.;)",
        "tag_name": "destination_cluster"
      },
      {
        "regex": "(request_protocol=\\.=(.*?);\\.;)",
        "tag_name": "request_protocol"
      },
      {
        "regex": "(request_operation=\\.=(.*?);\\.;)",
        "tag_name": "request_operation"
      },
      {
        "regex": "(request_host=\\.=(.*?);\\.;)",
        "tag_name": "request_host"
      },
      {
        "regex": "(response_flags=\\.=(.*?);\\.;)",
        "tag_name": "response_flags"
      },
      {
        "regex": "(grpc_response_status=\\.=(.*?);\\.;)",
        "tag_name": "grpc_response_status"
      },
      {
        "regex": "(connection_security_policy=\\.=(.*?);\\.;)",
        "tag_name": "connection_security_policy"
      },
      {
        "regex": "(source_canonical_service=\\.=(.*?);\\.;)",
        "tag_name": "source_canonical_service"
      },
      {
        "regex": "(destination_canonical_service=\\.=(.*?);\\.;)",
        "tag_name": "destination_canonical_service"
      },
      {
        "regex": "(source_canonical_revision=\\.=(.*?);\\.;)",
        "tag_name": "source_canonical_revision"
      },
      {
        "regex": "(destination_canonical_revision=\\.=(.*?);\\.;)",
        "tag_name": "destination_canonical_revision"
      },
      {
        "regex": "(cache\\.(.+?)\\.)",
        "tag_name": "cache"
      },
      {
        "regex": "(component\\.(.+?)\\.)",
        "tag_name": "component"
      },
      {
        "regex": "(tag\\.(.+?);\\.)",
        "tag_name": "tag"
      },
      {
        "regex": "(wasm_filter\\.(.+?)\\.)",
        "tag_name": "wasm_filter"
      },
      {
        "tag_name": "authz_enforce_result",
        "regex": "rbac(\\.(allowed|denied))"
      },
      {
        "tag_name": "authz_dry_run_action",
        "regex": "(\\.istio_dry_run_(allow|deny)_)"
      },
      {
        "tag_name": "authz_dry_run_result",
        "regex": "(\\.shadow_(allowed|denied))"
      }
    ],
    "stats_matcher": {
      "inclusion_list": {
        "patterns": [
          {
          "prefix": "reporter="
          },
          {
          "prefix": "cluster_manager"
          },
          {
          "prefix": "listener_manager"
          },
          {
          "prefix": "server"
          },
          {
          "prefix": "cluster.xds-grpc"
          },
          {
          "prefix": "wasm"
          },
          {
          "suffix": "rbac.allowed"
          },
          {
          "suffix": "rbac.denied"
          },
          {
          "suffix": "shadow_allowed"
          },
          {
          "suffix": "shadow_denied"
          },
          {
          "prefix": "component"
          }
        ]
      }
    }
  },
  "admin": {
    "access_log_path": "/dev/null",
    "profile_path": "/var/lib/istio/data/envoy.prof",
    "address": {
      "socket_address": {
        "address": "127.0.0.1",
        "port_value": 15000
      }
    }
  },
  "dynamic_resources": {
    "lds_config": {
      "ads": {},
      "initial_fetch_timeout": "0s",
      "resource_api_version": "V3"
    },
    "cds_config": {
      "ads": {},
      "initial_fetch_timeout": "0s",
      "resource_api_version": "V3"
    },
    "ads_config": {
      "api_type": "GRPC",
      "set_node_on_first_message_only": true,
      "transport_api_version": "V3",
      "grpc_services": [
        {
          "envoy_grpc": {
            "cluster_name": "xds-grpc"
          }
        }
      ]
    }
  },
  "static_resources": {
    "clusters": [
      {
        "name": "prometheus_stats",
        "type": "STATIC",
        "connect_timeout": "0.250s",
        "lb_policy": "ROUND_ROBIN",
        "load_assignment": {
          "cluster_name": "prometheus_stats",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "socket_address": {
                    "protocol": "TCP",
                    "address": "127.0.0.1",
                    "port_value": 15000
                  }
                }
              }
            }]
          }]
        }
      },
      {
        "name": "agent",
        "type": "STATIC",
        "connect_timeout": "0.250s",
        "lb_policy": "ROUND_ROBIN",
        "load_assignment": {
          "cluster_name": "agent",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "socket_address": {
                    "protocol": "TCP",
                    "address": "127.0.0.1",
                    "port_value": 15020
                  }
                }
              }
            }]
          }]
        }
      },
      {
        "name": "sds-grpc",
        "type": "STATIC",
        "typed_extension_protocol_options": {
          "envoy.extensions.upstreams.http.v3.HttpProtocolOptions": {
           "@type": "type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions",
           "explicit_http_config": {
            "http2_protocol_options": {}
           }
          }
        },
        "connect_timeout": "1s",
        "lb_policy": "ROUND_ROBIN",
        "load_assignment": {
          "cluster_name": "sds-grpc",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "pipe": {
                    "path": "./var/run/secrets/workload-spiffe-uds/socket"
                  }
                }
              }
            }]
          }]
        }
      },
      {
        "name": "xds-grpc",
        "type" : "STATIC",
        "connect_timeout": "1s",
        "lb_policy": "ROUND_ROBIN",
        "load_assignment": {
          "cluster_name": "xds-grpc",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "pipe": {
                    "path": "/tmp/XDS"
                  }
                }
              }
            }]
          }]
        },
        "circuit_breakers": {
          "thresholds": [
            {
              "priority": "DEFAULT",
              "max_connections": 100000,
              "max_pending_requests": 100000,
              "max_requests": 100000
            },
            {
              "priority": "HIGH",
              "max_connections": 100000,
              "max_pending_requests": 100000,
              "max_requests": 100000
            }
          ]
        },
        "upstream_connection_options": {
          "tcp_keepalive": {
            "keepalive_time": 300
          }
        },
        "max_requests_per_connection": 1,
        "typed_extension_protocol_options": {
          "envoy.extensions.upstreams.http.v3.HttpProtocolOptions": {
           "@type": "type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions",
           "explicit_http_config": {
            "http2_protocol_options": {}
           }
          }
        }
      }
      
      ,
      {
        "name": "zipkin",
        "type": "STRICT_DNS",
        "respect_dns_ttl": true,
        "dns_lookup_family": "V4_ONLY",
        "dns_refresh_rate": "30s",
        "connect_timeout": "1s",
        "lb_policy": "ROUND_ROBIN",
        "load_assignment": {
          "cluster_name": "zipkin",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "socket_address": {"address": "localhost", "port_value": 6000}
                }
              }
            }]
          }]
        }
      }
      
      
    ],
    "listeners":[
      {
        "address": {
          "socket_address": {
            "protocol": "TCP",
            "address": "0.0.0.0",
            "port_value": 15090
          }
        },
        "filter_chains": [
          {
            "filters": [
              {
                "name": "envoy.filters.network.http_connection_manager",
                "typed_config": {
                  "@type": "type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager",
                  "codec_type": "AUTO",
                  "stat_prefix": "stats",
                  "route_config": {
                    "virtual_hosts": [
                      {
                        "name": "backend",
                        "domains": [
                          "*"
                        ],
                        "routes": [
                          {
                            "match": {
                              "prefix": "/stats/prometheus"
                            },
                            "route": {
                              "cluster": "prometheus_stats"
                            }
                          }
                        ]
                      }
                    ]
                  },
                  "http_filters": [{
                    "name": "envoy.filters.http.router",
                    "typed_config": {
                      "@type": "type.googleapis.com/envoy.extensions.filters.http.router.v3.Router"
                    }
                  }]
                }
              }
            ]
          }
        ]
      },
      {
        "address": {
           "socket_address": {
             "protocol": "TCP",
             "address": "0.0.0.0",
             "port_value": 15021
           }
        },
        "filter_chains": [
          {
            "filters": [
              {
                "name": "envoy.filters.network.http_connection_manager",
                "typed_config": {
                  "@type": "type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager",
                  "codec_type": "AUTO",
                  "stat_prefix": "agent",
                  "route_config": {
                    "virtual_hosts": [
                      {
                        "name": "backend",
                        "domains": [
                          "*"
                        ],
                        "routes": [
                          {
                            "match": {
                              "prefix": "/healthz/ready"
                            },
                            "route": {
                              "cluster": "agent"
                            }
                          }
                        ]
                      }
                    ]
                  },
                  "http_filters": [{
                    "name": "envoy.filters.http.router",
                    "typed_config": {
                      "@type": "type.googleapis.com/envoy.extensions.filters.http.router.v3.Router"
                    }
                  }]
                }
              }
            ]
          }
        ]
      }
    ]
  }
  ,
  "tracing": {
    "http": {
      "name": "envoy.tracers.zipkin",
      "typed_config": {
        "@type": "type.googleapis.com/envoy.config.trace.v3.ZipkinConfig",
        "collector_cluster": "zipkin",
        "collector_endpoint": "/api/v2/spans",
        "collector_endpoint_version": "HTTP_JSON",
        "trace_id_128bit": true,
        "shared_span_context": false
      }
    }
  }
  
  
  ,
  "cluster_manager": {
    "outlier_detection": {
      "event_log_path": "/dev/stdout"
    }
  }
  
}