@grafana/faro-transport-otlp-http
Version:
Faro transport which converts the Faro data model to the Otlp data model.
165 lines • 8.27 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.OtlpHttpTransport = void 0;
var faro_core_1 = require("@grafana/faro-core");
var payload_1 = require("./payload");
var DEFAULT_BUFFER_SIZE = 30;
var DEFAULT_CONCURRENCY = 5; // chrome supports 10 total, firefox 17
var DEFAULT_RATE_LIMIT_BACKOFF_MS = 5000;
var BEACON_BODY_SIZE_LIMIT = 60000;
var TOO_MANY_REQUESTS = 429;
var OtlpHttpTransport = /** @class */ (function (_super) {
__extends(OtlpHttpTransport, _super);
function OtlpHttpTransport(options) {
var _a, _b, _c;
var _this = _super.call(this) || this;
_this.options = options;
_this.name = '@grafana/faro-web-sdk:transport-otlp-http';
_this.version = faro_core_1.VERSION;
_this.sendingTracesDisabledUntil = new Date();
_this.sendingLogsDisabledUntil = new Date();
_this.rateLimitBackoffMs = (_a = options.defaultRateLimitBackoffMs) !== null && _a !== void 0 ? _a : DEFAULT_RATE_LIMIT_BACKOFF_MS;
_this.promiseBuffer = (0, faro_core_1.createPromiseBuffer)({
size: (_b = options === null || options === void 0 ? void 0 : options.bufferSize) !== null && _b !== void 0 ? _b : DEFAULT_BUFFER_SIZE,
concurrency: (_c = options === null || options === void 0 ? void 0 : options.concurrency) !== null && _c !== void 0 ? _c : DEFAULT_CONCURRENCY,
});
return _this;
}
OtlpHttpTransport.prototype.getIgnoreUrls = function () {
var _a;
var _b = this.options, _c = _b.tracesURL, tracesURL = _c === void 0 ? '' : _c, _d = _b.logsURL, logsURL = _d === void 0 ? '' : _d;
return [tracesURL, logsURL].filter(Boolean).concat((_a = this.config.ignoreUrls) !== null && _a !== void 0 ? _a : []);
};
OtlpHttpTransport.prototype.isBatched = function () {
return true;
};
OtlpHttpTransport.prototype.send = function (items) {
var otelPayload = new payload_1.OtelPayload({
internalLogger: this.internalLogger,
customOtlpTransform: this.options.otlpTransform,
});
items.forEach(function (item) { return otelPayload.addResourceItem(item); });
this.sendPayload(otelPayload.getPayload());
};
OtlpHttpTransport.prototype.sendPayload = function (payload) {
var _this = this;
try {
var _a = this.options, _b = _a.tracesURL, tracesURL = _b === void 0 ? '' : _b, _c = _a.logsURL, logsURL = _c === void 0 ? '' : _c;
var _loop_1 = function (key, value) {
var _f;
if (!((0, faro_core_1.isArray)(value) && value.length > 0)) {
return "continue";
}
var disabledUntil;
var updateDisabledUntil = function (_) { };
var url = '';
switch (key) {
case 'resourceSpans':
url = tracesURL;
disabledUntil = this_1.sendingTracesDisabledUntil;
updateDisabledUntil = function (retryAfterDate) {
_this.sendingTracesDisabledUntil = retryAfterDate;
};
break;
case 'resourceLogs':
url = logsURL;
disabledUntil = this_1.sendingLogsDisabledUntil;
updateDisabledUntil = function (retryAfterDate) {
_this.sendingLogsDisabledUntil = retryAfterDate;
};
break;
}
if (disabledUntil && disabledUntil > new Date(Date.now())) {
this_1.logWarn("Dropping transport item due to too many requests. Backoff until ".concat(disabledUntil));
return { value: undefined };
}
var body = JSON.stringify((_f = {}, _f[key] = value, _f));
var _g = this_1.options, requestOptions = _g.requestOptions, apiKey = _g.apiKey;
var _h = requestOptions !== null && requestOptions !== void 0 ? requestOptions : {}, headers = _h.headers, restOfRequestOptions = __rest(_h, ["headers"]);
if (!url) {
return "continue";
}
this_1.promiseBuffer.add(function () {
return fetch(url, __assign({ method: 'POST', headers: __assign(__assign({ 'Content-Type': 'application/json' }, (headers !== null && headers !== void 0 ? headers : {})), (apiKey ? { 'x-api-key': apiKey } : {})), body: body, keepalive: body.length <= BEACON_BODY_SIZE_LIMIT }, (restOfRequestOptions !== null && restOfRequestOptions !== void 0 ? restOfRequestOptions : {})))
.then(function (response) {
if (response.status === TOO_MANY_REQUESTS) {
updateDisabledUntil(_this.getRetryAfterDate(response));
_this.logWarn("Too many requests, backing off until ".concat(disabledUntil));
}
// read the body so the connection can be closed
response.text().catch(faro_core_1.noop);
return response;
})
.catch(function (error) {
_this.logError('Failed sending payload to the receiver\n', JSON.parse(body), error);
});
});
};
var this_1 = this;
for (var _i = 0, _d = Object.entries(payload); _i < _d.length; _i++) {
var _e = _d[_i], key = _e[0], value = _e[1];
var state_1 = _loop_1(key, value);
if (typeof state_1 === "object")
return state_1.value;
}
}
catch (error) {
this.logError(error);
}
};
OtlpHttpTransport.prototype.getRetryAfterDate = function (response) {
var now = Date.now();
var retryAfterHeader = response.headers.get('Retry-After');
if (retryAfterHeader) {
var delay = Number(retryAfterHeader);
if (!isNaN(delay)) {
return new Date(delay * 1000 + now);
}
var date = Date.parse(retryAfterHeader);
if (!isNaN(date)) {
return new Date(date);
}
}
return new Date(now + this.rateLimitBackoffMs);
};
return OtlpHttpTransport;
}(faro_core_1.BaseTransport));
exports.OtlpHttpTransport = OtlpHttpTransport;
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