lightstep-tracer
Version:
> ❗ **This instrumentation is no longer recommended**. Please review [documentation on setting up and configuring the OpenTelemetry Node.js Launcher](https://github.com/lightstep/otel-launcher-node) or [OpenTelemetry JS (Browser)](https://github.com/open-
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JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var opentracing = _interopRequireWildcard(require("opentracing"));
var coerce = _interopRequireWildcard(require("./coerce"));
var constants = _interopRequireWildcard(require("../constants"));
var _each2 = _interopRequireDefault(require("../_each"));
var _platform_abstraction_layer = require("../platform_abstraction_layer");
var _log_record_imp = _interopRequireDefault(require("./log_record_imp"));
var _util = _interopRequireDefault(require("./util/util"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var SpanImp = /*#__PURE__*/function (_opentracing$Span) {
_inherits(SpanImp, _opentracing$Span);
var _super = _createSuper(SpanImp);
// ---------------------------------------------------------------------- //
// Private methods
// ---------------------------------------------------------------------- //
function SpanImp(tracer, name, spanContext) {
var _this;
_classCallCheck(this, SpanImp);
_this = _super.call(this);
console.assert(_typeof(tracer) === 'object', 'Invalid runtime'); // eslint-disable-line no-console
_this._tracerImp = tracer;
_this._ctx = spanContext;
_this._ended = false;
_this._operationName = name;
_this._tags = {};
_this._beginMicros = tracer._platform.nowMicros();
_this._endMicros = 0;
_this._errorFlag = false;
_this._log_records = null;
return _this;
} // ---------------------------------------------------------------------- //
// LightStep Extensions
// ---------------------------------------------------------------------- //
_createClass(SpanImp, [{
key: "_tracer",
value: // ---------------------------------------------------------------------- //
// opentracing.Span SPI
// ---------------------------------------------------------------------- //
function _tracer() {
return this._tracerImp;
}
}, {
key: "_context",
value: function _context() {
return this._ctx;
}
}, {
key: "_setOperationName",
value: function _setOperationName(name) {
this._operationName = "".concat(name);
}
}, {
key: "_setBaggageItem",
value: function _setBaggageItem(key, value) {
this._ctx.setBaggageItem(key, value);
}
}, {
key: "_getBaggageItem",
value: function _getBaggageItem(key) {
return this._ctx.getBaggageItem(key);
}
}, {
key: "_addTags",
value: function _addTags(keyValuePairs) {
var self = this;
(0, _each2["default"])(keyValuePairs, function (value, key) {
self._tags[key] = value;
});
}
}, {
key: "_log",
value: function _log(keyValuePairs, timestamp) {
var self = this;
var argumentType = _typeof(keyValuePairs);
if (argumentType !== 'object') {
self._tracerImp._error('Span.log() expects an object as its first argument');
return;
}
var tsMicros = timestamp ? timestamp * 1000 : self._tracerImp._platform.nowMicros();
var record = new _log_record_imp["default"](self._tracerImp.getLogFieldKeyHardLimit(), self._tracerImp.getLogFieldValueHardLimit(), tsMicros, keyValuePairs);
self._log_records = self._log_records || [];
self._log_records.push(record);
self._tracerImp.emit('log_added', record);
}
}, {
key: "_finish",
value: function _finish(finishTime) {
return this.end(finishTime);
}
}, {
key: "getOperationName",
value: function getOperationName() {
return this._operationName;
} // Getter only. The GUID is immutable once set internally.
}, {
key: "guid",
value: function guid() {
return this._ctx._guid;
}
}, {
key: "traceGUID",
value: function traceGUID() {
return this._ctx._traceGUID;
}
}, {
key: "parentGUID",
value: function parentGUID() {
return this._tags.parent_span_guid;
}
}, {
key: "setParentGUID",
value: function setParentGUID(guid) {
this._tags.parent_span_guid = coerce.toString(guid);
return this;
}
}, {
key: "beginMicros",
value: function beginMicros() {
return this._beginMicros;
}
}, {
key: "setBeginMicros",
value: function setBeginMicros(micros) {
this._beginMicros = micros;
return this;
}
}, {
key: "endMicros",
value: function endMicros() {
return this._endMicros;
}
}, {
key: "setEndMicros",
value: function setEndMicros(micros) {
this._endMicros = micros;
return this;
}
}, {
key: "isSampled",
value: function isSampled() {
return this._ctx._sampled;
}
/**
* Returns a URL to the trace containing this span.
*
* Unlike most methods, it *is* safe to call this method after `finish()`.
*
* @return {string} the absolute URL for the span
*/
}, {
key: "generateTraceURL",
value: function generateTraceURL() {
var micros;
if (this._beginMicros > 0 && this._endMicros > 0) {
micros = Math.floor((this._beginMicros + this._endMicros) / 2);
} else {
micros = this._tracerImp._platform.nowMicros();
}
var urlPrefix = constants.LIGHTSTEP_APP_URL_PREFIX;
var accessToken = encodeURIComponent(this._tracerImp.options().access_token);
var guid = encodeURIComponent(this.guid());
return "".concat(urlPrefix, "/").concat(accessToken, "/trace?span_guid=").concat(guid, "&at_micros=").concat(micros);
}
}, {
key: "getTags",
value: function getTags() {
return this._tags;
}
/**
* Finishes the span.
*
* @param {Number} finishTime
* Optional Unix timestamp in milliseconds setting an explicit
* finish time for the span.
*/
}, {
key: "end",
value: function end(finishTime) {
// Ensure a single span is not recorded multiple times
if (this._ended) {
return;
}
this._ended = true;
if (finishTime !== undefined) {
this.setEndMicros(Math.floor(finishTime * 1000));
} // Do not set endMicros if it has already been set. This accounts for
// the case of a span that has had it's times set manually (i.e. allows
// for retroactively created spans that might not be possible to create
// in real-time).
if (this._endMicros === 0) {
this.setEndMicros(this._tracerImp._platform.nowMicros());
}
if (_util["default"].shouldSendMetaSpan(this._tracer().options(), this.getTags())) {
var _tags;
this._tracerImp.startSpan(constants.LS_META_SP_FINISH, {
tags: (_tags = {}, _defineProperty(_tags, constants.LS_META_EVENT_KEY, true), _defineProperty(_tags, constants.LS_META_TRACE_KEY, this.traceGUID()), _defineProperty(_tags, constants.LS_META_SPAN_KEY, this.guid()), _tags)
}).finish();
} // Only record span if sampled
if (this.isSampled()) {
this._tracerImp._addSpanRecord(this);
}
}
}, {
key: "_toThrift",
value: function _toThrift() {
var _this2 = this;
var attributes = [];
(0, _each2["default"])(this._tags, function (value, key) {
// eslint-disable-next-line camelcase
attributes.push(new _platform_abstraction_layer.crouton_thrift.KeyValue({
Key: coerce.toString(key),
Value: coerce.toString(value)
}));
});
var logs = [];
(0, _each2["default"])(this._log_records, function (logRecord) {
var logThrift = logRecord.toThrift();
_this2._tracerImp._counters['logs.keys.over_limit'] += logRecord.getNumKeysOverLimit();
_this2._tracerImp._counters['logs.values.over_limit'] += logRecord.getNumValuesOverLimit();
logs.push(logThrift);
}); // eslint-disable-next-line camelcase
return new _platform_abstraction_layer.crouton_thrift.SpanRecord({
span_guid: this.guid(),
trace_guid: this.traceGUID(),
runtime_guid: this._tracerImp.guid(),
span_name: this._operationName,
oldest_micros: this._beginMicros,
youngest_micros: this._endMicros,
attributes: attributes,
error_flag: this._errorFlag,
log_records: logs
});
}
}]);
return SpanImp;
}(opentracing.Span);
exports["default"] = SpanImp;
module.exports = exports.default;
//# sourceMappingURL=span_imp.js.map