dd-trace/packages/dd-trace/src/constants.js

Datadog APM tracing client for JavaScript

'use strict'

module.exports = {
  SAMPLING_PRIORITY_KEY: '_sampling_priority_v1',
  ANALYTICS_KEY: '_dd1.sr.eausr',
  ORIGIN_KEY: '_dd.origin',
  HOSTNAME_KEY: '_dd.hostname',
  TOP_LEVEL_KEY: '_dd.top_level',
  SAMPLING_RULE_DECISION: '_dd.rule_psr',
  SAMPLING_LIMIT_DECISION: '_dd.limit_psr',
  SAMPLING_AGENT_DECISION: '_dd.agent_psr',
  SAMPLING_MECHANISM_DEFAULT: 0,
  SAMPLING_MECHANISM_AGENT: 1,
  SAMPLING_MECHANISM_RULE: 3,
  SAMPLING_MECHANISM_MANUAL: 4,
  SAMPLING_MECHANISM_APPSEC: 5,
  SAMPLING_MECHANISM_SPAN: 8,
  SAMPLING_MECHANISM_REMOTE_USER: 11,
  SAMPLING_MECHANISM_REMOTE_DYNAMIC: 12,
  SAMPLING_MECHANISM_AI_GUARD: 13,
  SPAN_SAMPLING_MECHANISM: '_dd.span_sampling.mechanism',
  SPAN_SAMPLING_RULE_RATE: '_dd.span_sampling.rule_rate',
  SPAN_SAMPLING_MAX_PER_SECOND: '_dd.span_sampling.max_per_second',
  SVC_SRC_KEY: '_dd.svc_src',
  DATADOG_LAMBDA_EXTENSION_PATH: '/opt/extensions/datadog-agent',
  DATADOG_MINI_AGENT_PATH: '/tmp/datadog/mini_agent_ready',
  DECISION_MAKER_KEY: '_dd.p.dm',
  SAMPLING_KNUTH_RATE: '_dd.p.ksr',
  PROCESS_ID: 'process_id',
  ERROR_TYPE: 'error.type',
  ERROR_MESSAGE: 'error.message',
  ERROR_STACK: 'error.stack',
  IGNORE_OTEL_ERROR: Symbol('ignore.otel.error'),
  // Marks an `Http2Server` that another instrumentation (currently @grpc/grpc-js)
  // owns and traces through its own span lifecycle over the raw HTTP/2 stream
  // API. The http2 server instrumentation reads this to leave such servers
  // untraced, so a gRPC call keeps a single span with gRPC as the top frame
  // instead of gaining an extra web.request span. A module-local Symbol keeps
  // the mark private to dd-trace and unforgeable from user code.
  FOREIGN_HTTP2_SERVER: Symbol('foreign.http2.server'),
  COMPONENT: 'component',
  CLIENT_PORT_KEY: 'network.destination.port',
  PEER_SERVICE_KEY: 'peer.service',
  PEER_SERVICE_SOURCE_KEY: '_dd.peer.service.source',
  PEER_SERVICE_REMAP_KEY: '_dd.peer.service.remapped_from',
  SCI_REPOSITORY_URL: '_dd.git.repository_url',
  SCI_COMMIT_SHA: '_dd.git.commit.sha',
  APM_TRACING_ENABLED_KEY: '_dd.apm.enabled',
  TRACE_SOURCE_PROPAGATION_KEY: '_dd.p.ts',
  PAYLOAD_TAG_REQUEST_PREFIX: 'aws.request.body',
  PAYLOAD_TAG_RESPONSE_PREFIX: 'aws.response.body',
  PAYLOAD_TAGGING_MAX_TAGS: 758,
  SCHEMA_DEFINITION: 'schema.definition',
  SCHEMA_WEIGHT: 'schema.weight',
  SCHEMA_TYPE: 'schema.type',
  SCHEMA_ID: 'schema.id',
  SCHEMA_TOPIC: 'schema.topic',
  SCHEMA_OPERATION: 'schema.operation',
  SCHEMA_NAME: 'schema.name',
  DYNAMODB_PTR_KIND: 'aws.dynamodb.item',
  S3_PTR_KIND: 'aws.s3.object',
  WEBSOCKET_PTR_KIND: 'websocket',
  SPAN_POINTER_DIRECTION: Object.freeze({
    UPSTREAM: 'u',
    DOWNSTREAM: 'd',
  }),
  SPAN_POINTER_DIRECTION_NAME: Object.freeze({
    UPSTREAM: 'span-pointer-up',
    DOWNSTREAM: 'span-pointer-down',
  }),
  // https://github.com/grpc/grpc/blob/master/doc/statuscodes.md
  GRPC_STATUS_NAMES: [
    'OK', 'CANCELLED', 'UNKNOWN', 'INVALID_ARGUMENT', 'DEADLINE_EXCEEDED',
    'NOT_FOUND', 'ALREADY_EXISTS', 'PERMISSION_DENIED', 'RESOURCE_EXHAUSTED',
    'FAILED_PRECONDITION', 'ABORTED', 'OUT_OF_RANGE', 'UNIMPLEMENTED',
    'INTERNAL', 'UNAVAILABLE', 'DATA_LOSS', 'UNAUTHENTICATED',
  ],
}