475 lines
21 KiB
JavaScript
475 lines
21 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.headerCapture = exports.getIncomingRequestMetricAttributesOnResponse = exports.getIncomingRequestAttributesOnResponse = exports.getIncomingRequestMetricAttributes = exports.getIncomingRequestAttributes = exports.getOutgoingRequestMetricAttributesOnResponse = exports.getOutgoingRequestAttributesOnResponse = exports.setAttributesFromHttpKind = exports.getOutgoingRequestMetricAttributes = exports.getOutgoingRequestAttributes = exports.extractHostnameAndPort = exports.isValidOptionsType = exports.getRequestInfo = exports.isCompressed = exports.setResponseContentLengthAttribute = exports.setRequestContentLengthAttribute = exports.setSpanWithError = exports.isIgnored = exports.satisfiesPattern = exports.parseResponseStatus = exports.getAbsoluteUrl = void 0;
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/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const api_1 = require("@opentelemetry/api");
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const semantic_conventions_1 = require("@opentelemetry/semantic-conventions");
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const core_1 = require("@opentelemetry/core");
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const url = require("url");
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const AttributeNames_1 = require("./enums/AttributeNames");
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/**
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* Get an absolute url
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*/
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const getAbsoluteUrl = (requestUrl, headers, fallbackProtocol = 'http:') => {
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const reqUrlObject = requestUrl || {};
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const protocol = reqUrlObject.protocol || fallbackProtocol;
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const port = (reqUrlObject.port || '').toString();
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const path = reqUrlObject.path || '/';
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let host = reqUrlObject.host || reqUrlObject.hostname || headers.host || 'localhost';
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// if there is no port in host and there is a port
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// it should be displayed if it's not 80 and 443 (default ports)
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if (host.indexOf(':') === -1 &&
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port &&
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port !== '80' &&
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port !== '443') {
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host += `:${port}`;
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}
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return `${protocol}//${host}${path}`;
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};
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exports.getAbsoluteUrl = getAbsoluteUrl;
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/**
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* Parse status code from HTTP response. [More details](https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/data-http.md#status)
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*/
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const parseResponseStatus = (kind, statusCode) => {
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const upperBound = kind === api_1.SpanKind.CLIENT ? 400 : 500;
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// 1xx, 2xx, 3xx are OK on client and server
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// 4xx is OK on server
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if (statusCode && statusCode >= 100 && statusCode < upperBound) {
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return api_1.SpanStatusCode.UNSET;
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}
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// All other codes are error
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return api_1.SpanStatusCode.ERROR;
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};
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exports.parseResponseStatus = parseResponseStatus;
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/**
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* Check whether the given obj match pattern
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* @param constant e.g URL of request
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* @param pattern Match pattern
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*/
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const satisfiesPattern = (constant, pattern) => {
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if (typeof pattern === 'string') {
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return pattern === constant;
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}
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else if (pattern instanceof RegExp) {
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return pattern.test(constant);
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}
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else if (typeof pattern === 'function') {
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return pattern(constant);
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}
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else {
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throw new TypeError('Pattern is in unsupported datatype');
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}
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};
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exports.satisfiesPattern = satisfiesPattern;
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/**
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* Check whether the given request is ignored by configuration
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* It will not re-throw exceptions from `list` provided by the client
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* @param constant e.g URL of request
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* @param [list] List of ignore patterns
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* @param [onException] callback for doing something when an exception has
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* occurred
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*/
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const isIgnored = (constant, list, onException) => {
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if (!list) {
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// No ignored urls - trace everything
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return false;
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}
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// Try/catch outside the loop for failing fast
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try {
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for (const pattern of list) {
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if ((0, exports.satisfiesPattern)(constant, pattern)) {
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return true;
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}
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}
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}
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catch (e) {
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if (onException) {
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onException(e);
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}
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}
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return false;
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};
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exports.isIgnored = isIgnored;
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/**
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* Sets the span with the error passed in params
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* @param {Span} span the span that need to be set
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* @param {Error} error error that will be set to span
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*/
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const setSpanWithError = (span, error) => {
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const message = error.message;
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span.setAttribute(AttributeNames_1.AttributeNames.HTTP_ERROR_NAME, error.name);
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span.setAttribute(AttributeNames_1.AttributeNames.HTTP_ERROR_MESSAGE, message);
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span.setStatus({ code: api_1.SpanStatusCode.ERROR, message });
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span.recordException(error);
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};
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exports.setSpanWithError = setSpanWithError;
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/**
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* Adds attributes for request content-length and content-encoding HTTP headers
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* @param { IncomingMessage } Request object whose headers will be analyzed
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* @param { SpanAttributes } SpanAttributes object to be modified
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*/
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const setRequestContentLengthAttribute = (request, attributes) => {
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const length = getContentLength(request.headers);
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if (length === null)
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return;
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if ((0, exports.isCompressed)(request.headers)) {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_REQUEST_CONTENT_LENGTH] = length;
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}
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else {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_REQUEST_CONTENT_LENGTH_UNCOMPRESSED] = length;
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}
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};
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exports.setRequestContentLengthAttribute = setRequestContentLengthAttribute;
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/**
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* Adds attributes for response content-length and content-encoding HTTP headers
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* @param { IncomingMessage } Response object whose headers will be analyzed
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* @param { SpanAttributes } SpanAttributes object to be modified
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*/
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const setResponseContentLengthAttribute = (response, attributes) => {
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const length = getContentLength(response.headers);
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if (length === null)
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return;
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if ((0, exports.isCompressed)(response.headers)) {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_RESPONSE_CONTENT_LENGTH] = length;
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}
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else {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_RESPONSE_CONTENT_LENGTH_UNCOMPRESSED] = length;
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}
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};
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exports.setResponseContentLengthAttribute = setResponseContentLengthAttribute;
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function getContentLength(headers) {
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const contentLengthHeader = headers['content-length'];
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if (contentLengthHeader === undefined)
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return null;
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const contentLength = parseInt(contentLengthHeader, 10);
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if (isNaN(contentLength))
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return null;
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return contentLength;
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}
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const isCompressed = (headers) => {
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const encoding = headers['content-encoding'];
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return !!encoding && encoding !== 'identity';
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};
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exports.isCompressed = isCompressed;
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/**
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* Makes sure options is an url object
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* return an object with default value and parsed options
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* @param options original options for the request
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* @param [extraOptions] additional options for the request
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*/
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const getRequestInfo = (options, extraOptions) => {
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let pathname = '/';
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let origin = '';
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let optionsParsed;
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if (typeof options === 'string') {
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optionsParsed = url.parse(options);
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pathname = optionsParsed.pathname || '/';
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origin = `${optionsParsed.protocol || 'http:'}//${optionsParsed.host}`;
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if (extraOptions !== undefined) {
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Object.assign(optionsParsed, extraOptions);
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}
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}
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else if (options instanceof url.URL) {
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optionsParsed = {
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protocol: options.protocol,
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hostname: typeof options.hostname === 'string' && options.hostname.startsWith('[')
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? options.hostname.slice(1, -1)
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: options.hostname,
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path: `${options.pathname || ''}${options.search || ''}`,
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};
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if (options.port !== '') {
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optionsParsed.port = Number(options.port);
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}
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if (options.username || options.password) {
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optionsParsed.auth = `${options.username}:${options.password}`;
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}
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pathname = options.pathname;
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origin = options.origin;
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if (extraOptions !== undefined) {
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Object.assign(optionsParsed, extraOptions);
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}
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}
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else {
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optionsParsed = Object.assign({ protocol: options.host ? 'http:' : undefined }, options);
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pathname = options.pathname;
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if (!pathname && optionsParsed.path) {
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pathname = url.parse(optionsParsed.path).pathname || '/';
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}
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const hostname = optionsParsed.host ||
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(optionsParsed.port != null
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? `${optionsParsed.hostname}${optionsParsed.port}`
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: optionsParsed.hostname);
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origin = `${optionsParsed.protocol || 'http:'}//${hostname}`;
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}
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// some packages return method in lowercase..
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// ensure upperCase for consistency
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const method = optionsParsed.method
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? optionsParsed.method.toUpperCase()
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: 'GET';
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return { origin, pathname, method, optionsParsed };
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};
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exports.getRequestInfo = getRequestInfo;
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/**
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* Makes sure options is of type string or object
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* @param options for the request
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*/
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const isValidOptionsType = (options) => {
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if (!options) {
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return false;
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}
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const type = typeof options;
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return type === 'string' || (type === 'object' && !Array.isArray(options));
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};
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exports.isValidOptionsType = isValidOptionsType;
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const extractHostnameAndPort = (requestOptions) => {
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var _a;
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if (requestOptions.hostname && requestOptions.port) {
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return { hostname: requestOptions.hostname, port: requestOptions.port };
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}
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const matches = ((_a = requestOptions.host) === null || _a === void 0 ? void 0 : _a.match(/^([^:/ ]+)(:\d{1,5})?/)) || null;
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const hostname = requestOptions.hostname || (matches === null ? 'localhost' : matches[1]);
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let port = requestOptions.port;
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if (!port) {
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if (matches && matches[2]) {
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// remove the leading ":". The extracted port would be something like ":8080"
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port = matches[2].substring(1);
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}
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else {
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port = requestOptions.protocol === 'https:' ? '443' : '80';
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}
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}
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return { hostname, port };
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};
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exports.extractHostnameAndPort = extractHostnameAndPort;
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/**
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* Returns outgoing request attributes scoped to the options passed to the request
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* @param {ParsedRequestOptions} requestOptions the same options used to make the request
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* @param {{ component: string, hostname: string, hookAttributes?: SpanAttributes }} options used to pass data needed to create attributes
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*/
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const getOutgoingRequestAttributes = (requestOptions, options) => {
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var _a;
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const hostname = options.hostname;
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const port = options.port;
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const requestMethod = requestOptions.method;
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const method = requestMethod ? requestMethod.toUpperCase() : 'GET';
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const headers = requestOptions.headers || {};
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const userAgent = headers['user-agent'];
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const attributes = {
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[semantic_conventions_1.SEMATTRS_HTTP_URL]: (0, exports.getAbsoluteUrl)(requestOptions, headers, `${options.component}:`),
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[semantic_conventions_1.SEMATTRS_HTTP_METHOD]: method,
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[semantic_conventions_1.SEMATTRS_HTTP_TARGET]: requestOptions.path || '/',
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[semantic_conventions_1.SEMATTRS_NET_PEER_NAME]: hostname,
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[semantic_conventions_1.SEMATTRS_HTTP_HOST]: (_a = headers.host) !== null && _a !== void 0 ? _a : `${hostname}:${port}`,
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};
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if (userAgent !== undefined) {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_USER_AGENT] = userAgent;
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}
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return Object.assign(attributes, options.hookAttributes);
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};
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exports.getOutgoingRequestAttributes = getOutgoingRequestAttributes;
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/**
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* Returns outgoing request Metric attributes scoped to the request data
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* @param {SpanAttributes} spanAttributes the span attributes
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*/
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const getOutgoingRequestMetricAttributes = (spanAttributes) => {
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const metricAttributes = {};
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metricAttributes[semantic_conventions_1.SEMATTRS_HTTP_METHOD] = spanAttributes[semantic_conventions_1.SEMATTRS_HTTP_METHOD];
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metricAttributes[semantic_conventions_1.SEMATTRS_NET_PEER_NAME] =
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spanAttributes[semantic_conventions_1.SEMATTRS_NET_PEER_NAME];
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//TODO: http.url attribute, it should substitute any parameters to avoid high cardinality.
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return metricAttributes;
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};
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exports.getOutgoingRequestMetricAttributes = getOutgoingRequestMetricAttributes;
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/**
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* Returns attributes related to the kind of HTTP protocol used
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* @param {string} [kind] Kind of HTTP protocol used: "1.0", "1.1", "2", "SPDY" or "QUIC".
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*/
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const setAttributesFromHttpKind = (kind, attributes) => {
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if (kind) {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_FLAVOR] = kind;
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if (kind.toUpperCase() !== 'QUIC') {
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attributes[semantic_conventions_1.SEMATTRS_NET_TRANSPORT] = semantic_conventions_1.NETTRANSPORTVALUES_IP_TCP;
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}
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else {
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attributes[semantic_conventions_1.SEMATTRS_NET_TRANSPORT] = semantic_conventions_1.NETTRANSPORTVALUES_IP_UDP;
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}
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}
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};
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exports.setAttributesFromHttpKind = setAttributesFromHttpKind;
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/**
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* Returns outgoing request attributes scoped to the response data
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* @param {IncomingMessage} response the response object
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* @param {{ hostname: string }} options used to pass data needed to create attributes
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*/
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const getOutgoingRequestAttributesOnResponse = (response) => {
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const { statusCode, statusMessage, httpVersion, socket } = response;
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const attributes = {};
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if (socket) {
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const { remoteAddress, remotePort } = socket;
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attributes[semantic_conventions_1.SEMATTRS_NET_PEER_IP] = remoteAddress;
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attributes[semantic_conventions_1.SEMATTRS_NET_PEER_PORT] = remotePort;
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}
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(0, exports.setResponseContentLengthAttribute)(response, attributes);
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if (statusCode) {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_STATUS_CODE] = statusCode;
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attributes[AttributeNames_1.AttributeNames.HTTP_STATUS_TEXT] = (statusMessage || '').toUpperCase();
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}
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(0, exports.setAttributesFromHttpKind)(httpVersion, attributes);
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return attributes;
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};
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exports.getOutgoingRequestAttributesOnResponse = getOutgoingRequestAttributesOnResponse;
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/**
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* Returns outgoing request Metric attributes scoped to the response data
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* @param {SpanAttributes} spanAttributes the span attributes
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*/
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const getOutgoingRequestMetricAttributesOnResponse = (spanAttributes) => {
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const metricAttributes = {};
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metricAttributes[semantic_conventions_1.SEMATTRS_NET_PEER_PORT] =
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spanAttributes[semantic_conventions_1.SEMATTRS_NET_PEER_PORT];
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metricAttributes[semantic_conventions_1.SEMATTRS_HTTP_STATUS_CODE] =
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spanAttributes[semantic_conventions_1.SEMATTRS_HTTP_STATUS_CODE];
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metricAttributes[semantic_conventions_1.SEMATTRS_HTTP_FLAVOR] = spanAttributes[semantic_conventions_1.SEMATTRS_HTTP_FLAVOR];
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return metricAttributes;
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};
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exports.getOutgoingRequestMetricAttributesOnResponse = getOutgoingRequestMetricAttributesOnResponse;
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/**
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* Returns incoming request attributes scoped to the request data
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* @param {IncomingMessage} request the request object
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* @param {{ component: string, serverName?: string, hookAttributes?: SpanAttributes }} options used to pass data needed to create attributes
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*/
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const getIncomingRequestAttributes = (request, options) => {
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const headers = request.headers;
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const userAgent = headers['user-agent'];
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const ips = headers['x-forwarded-for'];
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const method = request.method || 'GET';
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const httpVersion = request.httpVersion;
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const requestUrl = request.url ? url.parse(request.url) : null;
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const host = (requestUrl === null || requestUrl === void 0 ? void 0 : requestUrl.host) || headers.host;
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const hostname = (requestUrl === null || requestUrl === void 0 ? void 0 : requestUrl.hostname) ||
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(host === null || host === void 0 ? void 0 : host.replace(/^(.*)(:[0-9]{1,5})/, '$1')) ||
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'localhost';
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const serverName = options.serverName;
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const attributes = {
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[semantic_conventions_1.SEMATTRS_HTTP_URL]: (0, exports.getAbsoluteUrl)(requestUrl, headers, `${options.component}:`),
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[semantic_conventions_1.SEMATTRS_HTTP_HOST]: host,
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[semantic_conventions_1.SEMATTRS_NET_HOST_NAME]: hostname,
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[semantic_conventions_1.SEMATTRS_HTTP_METHOD]: method,
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[semantic_conventions_1.SEMATTRS_HTTP_SCHEME]: options.component,
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};
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if (typeof ips === 'string') {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_CLIENT_IP] = ips.split(',')[0];
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}
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if (typeof serverName === 'string') {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_SERVER_NAME] = serverName;
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}
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if (requestUrl) {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_TARGET] = requestUrl.path || '/';
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}
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if (userAgent !== undefined) {
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attributes[semantic_conventions_1.SEMATTRS_HTTP_USER_AGENT] = userAgent;
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}
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(0, exports.setRequestContentLengthAttribute)(request, attributes);
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(0, exports.setAttributesFromHttpKind)(httpVersion, attributes);
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return Object.assign(attributes, options.hookAttributes);
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};
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exports.getIncomingRequestAttributes = getIncomingRequestAttributes;
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/**
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* Returns incoming request Metric attributes scoped to the request data
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* @param {SpanAttributes} spanAttributes the span attributes
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* @param {{ component: string }} options used to pass data needed to create attributes
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*/
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const getIncomingRequestMetricAttributes = (spanAttributes) => {
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const metricAttributes = {};
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metricAttributes[semantic_conventions_1.SEMATTRS_HTTP_SCHEME] = spanAttributes[semantic_conventions_1.SEMATTRS_HTTP_SCHEME];
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metricAttributes[semantic_conventions_1.SEMATTRS_HTTP_METHOD] = spanAttributes[semantic_conventions_1.SEMATTRS_HTTP_METHOD];
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metricAttributes[semantic_conventions_1.SEMATTRS_NET_HOST_NAME] =
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spanAttributes[semantic_conventions_1.SEMATTRS_NET_HOST_NAME];
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metricAttributes[semantic_conventions_1.SEMATTRS_HTTP_FLAVOR] = spanAttributes[semantic_conventions_1.SEMATTRS_HTTP_FLAVOR];
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//TODO: http.target attribute, it should substitute any parameters to avoid high cardinality.
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return metricAttributes;
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};
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exports.getIncomingRequestMetricAttributes = getIncomingRequestMetricAttributes;
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/**
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* Returns incoming request attributes scoped to the response data
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* @param {(ServerResponse & { socket: Socket; })} response the response object
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*/
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const getIncomingRequestAttributesOnResponse = (request, response) => {
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// take socket from the request,
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// since it may be detached from the response object in keep-alive mode
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const { socket } = request;
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const { statusCode, statusMessage } = response;
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const rpcMetadata = (0, core_1.getRPCMetadata)(api_1.context.active());
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const attributes = {};
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if (socket) {
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const { localAddress, localPort, remoteAddress, remotePort } = socket;
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attributes[semantic_conventions_1.SEMATTRS_NET_HOST_IP] = localAddress;
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attributes[semantic_conventions_1.SEMATTRS_NET_HOST_PORT] = localPort;
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attributes[semantic_conventions_1.SEMATTRS_NET_PEER_IP] = remoteAddress;
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attributes[semantic_conventions_1.SEMATTRS_NET_PEER_PORT] = remotePort;
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}
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attributes[semantic_conventions_1.SEMATTRS_HTTP_STATUS_CODE] = statusCode;
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attributes[AttributeNames_1.AttributeNames.HTTP_STATUS_TEXT] = (statusMessage || '').toUpperCase();
|
|
if ((rpcMetadata === null || rpcMetadata === void 0 ? void 0 : rpcMetadata.type) === core_1.RPCType.HTTP && rpcMetadata.route !== undefined) {
|
|
attributes[semantic_conventions_1.SEMATTRS_HTTP_ROUTE] = rpcMetadata.route;
|
|
}
|
|
return attributes;
|
|
};
|
|
exports.getIncomingRequestAttributesOnResponse = getIncomingRequestAttributesOnResponse;
|
|
/**
|
|
* Returns incoming request Metric attributes scoped to the request data
|
|
* @param {SpanAttributes} spanAttributes the span attributes
|
|
*/
|
|
const getIncomingRequestMetricAttributesOnResponse = (spanAttributes) => {
|
|
const metricAttributes = {};
|
|
metricAttributes[semantic_conventions_1.SEMATTRS_HTTP_STATUS_CODE] =
|
|
spanAttributes[semantic_conventions_1.SEMATTRS_HTTP_STATUS_CODE];
|
|
metricAttributes[semantic_conventions_1.SEMATTRS_NET_HOST_PORT] =
|
|
spanAttributes[semantic_conventions_1.SEMATTRS_NET_HOST_PORT];
|
|
if (spanAttributes[semantic_conventions_1.SEMATTRS_HTTP_ROUTE] !== undefined) {
|
|
metricAttributes[semantic_conventions_1.SEMATTRS_HTTP_ROUTE] = spanAttributes[semantic_conventions_1.SEMATTRS_HTTP_ROUTE];
|
|
}
|
|
return metricAttributes;
|
|
};
|
|
exports.getIncomingRequestMetricAttributesOnResponse = getIncomingRequestMetricAttributesOnResponse;
|
|
function headerCapture(type, headers) {
|
|
const normalizedHeaders = new Map();
|
|
for (let i = 0, len = headers.length; i < len; i++) {
|
|
const capturedHeader = headers[i].toLowerCase();
|
|
normalizedHeaders.set(capturedHeader, capturedHeader.replace(/-/g, '_'));
|
|
}
|
|
return (span, getHeader) => {
|
|
for (const capturedHeader of normalizedHeaders.keys()) {
|
|
const value = getHeader(capturedHeader);
|
|
if (value === undefined) {
|
|
continue;
|
|
}
|
|
const normalizedHeader = normalizedHeaders.get(capturedHeader);
|
|
const key = `http.${type}.header.${normalizedHeader}`;
|
|
if (typeof value === 'string') {
|
|
span.setAttribute(key, [value]);
|
|
}
|
|
else if (Array.isArray(value)) {
|
|
span.setAttribute(key, value);
|
|
}
|
|
else {
|
|
span.setAttribute(key, [value]);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
exports.headerCapture = headerCapture;
|
|
//# sourceMappingURL=utils.js.map
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