envoy.config.trace.v2.opencensus.proto Maven / Gradle / Ivy

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syntax = "proto3";

package envoy.config.trace.v2;

import "envoy/api/v2/core/grpc_service.proto";

import "opencensus/proto/trace/v1/trace_config.proto";

import "udpa/annotations/status.proto";

option java_package = "io.envoyproxy.envoy.config.trace.v2";
option java_outer_classname = "OpencensusProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/config/trace/v2;tracev2";
option (udpa.annotations.file_status).package_version_status = FROZEN;

// [#protodoc-title: OpenCensus tracer]

// Configuration for the OpenCensus tracer.
// [#next-free-field: 15]
// [#extension: envoy.tracers.opencensus]
message OpenCensusConfig {
  enum TraceContext {
    // No-op default, no trace context is utilized.
    NONE = 0;

    // W3C Trace-Context format "traceparent:" header.
    TRACE_CONTEXT = 1;

    // Binary "grpc-trace-bin:" header.
    GRPC_TRACE_BIN = 2;

    // "X-Cloud-Trace-Context:" header.
    CLOUD_TRACE_CONTEXT = 3;

    // X-B3-* headers.
    B3 = 4;
  }

  reserved 7;

  // Configures tracing, e.g. the sampler, max number of annotations, etc.
  opencensus.proto.trace.v1.TraceConfig trace_config = 1;

  // Enables the stdout exporter if set to true. This is intended for debugging
  // purposes.
  bool stdout_exporter_enabled = 2;

  // Enables the Stackdriver exporter if set to true. The project_id must also
  // be set.
  bool stackdriver_exporter_enabled = 3;

  // The Cloud project_id to use for Stackdriver tracing.
  string stackdriver_project_id = 4;

  // (optional) By default, the Stackdriver exporter will connect to production
  // Stackdriver. If stackdriver_address is non-empty, it will instead connect
  // to this address, which is in the gRPC format:
  // https://github.com/grpc/grpc/blob/master/doc/naming.md
  string stackdriver_address = 10;

  // (optional) The gRPC server that hosts Stackdriver tracing service. Only
  // Google gRPC is supported. If :ref:`target_uri `
  // is not provided, the default production Stackdriver address will be used.
  api.v2.core.GrpcService stackdriver_grpc_service = 13;

  // Enables the Zipkin exporter if set to true. The url and service name must
  // also be set.
  bool zipkin_exporter_enabled = 5;

  // The URL to Zipkin, e.g. "http://127.0.0.1:9411/api/v2/spans"
  string zipkin_url = 6;

  // Enables the OpenCensus Agent exporter if set to true. The ocagent_address or
  // ocagent_grpc_service must also be set.
  bool ocagent_exporter_enabled = 11;

  // The address of the OpenCensus Agent, if its exporter is enabled, in gRPC
  // format: https://github.com/grpc/grpc/blob/master/doc/naming.md
  // [#comment:TODO: deprecate this field]
  string ocagent_address = 12;

  // (optional) The gRPC server hosted by the OpenCensus Agent. Only Google gRPC is supported.
  // This is only used if the ocagent_address is left empty.
  api.v2.core.GrpcService ocagent_grpc_service = 14;

  // List of incoming trace context headers we will accept. First one found
  // wins.
  repeated TraceContext incoming_trace_context = 8;

  // List of outgoing trace context headers we will produce.
  repeated TraceContext outgoing_trace_context = 9;
}