feat: add x-ray id generator (#423)

Co-authored-by: Bartlomiej Obecny <[email protected]>
Co-authored-by: Valentin Marchaud <[email protected]>

Author: 3 people

packages/opentelemetry-id-generator-aws-xray/.eslintignore

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+build

packages/opentelemetry-id-generator-aws-xray/.eslintrc.js

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+module.exports = {
+    "env": {
+        "mocha": true,
+        "commonjs": true,
+        "node": true,
+        "browser": true
+    },
+    ...require('../../eslint.config.js')
+}

packages/opentelemetry-id-generator-aws-xray/.npmignore

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+/bin
+/coverage
+/doc
+/test

packages/opentelemetry-id-generator-aws-xray/LICENSE

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packages/opentelemetry-id-generator-aws-xray/README.md

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+# AWS OpenTelemetry X-Ray IdGenerator
+
+[![NPM Published Version][npm-img]][npm-url]
+[![dependencies][dependencies-image]][dependencies-url]
+[![devDependencies][devDependencies-image]][devDependencies-url]
+[![Apache License][license-image]][license-image]
+
+The OpenTelemetry IdGenerator for AWS X-Ray generates trace IDs with its first four bytes set to the start time of the
+trace followed by a unique identifier consisting of 12 bytes of randomly generated numbers. OpenTelemetry offers an
+extension point which allows the usage of this custom IdGenerator as opposed to the out-of-the-box random IdGenerator,
+enabling compatibility with AWS X-Ray.
+
+### Installation
+
+`
+npm install --save @opentelemetry/id-generator-aws-xray
+`
+
+### Usage
+
+In the [global tracer configuration file](https://github.com/open-telemetry/opentelemetry-js/blob/master/getting-started/README.md#initialize-a-global-tracer),
+configure the following:
+
+```js
+const { NodeTracerProvider } = require('@opentelemetry/node');
+const { AWSXRayIdGenerator } = require('@opentelemetry/id-generator-aws-xray');
+
+const tracerConfig = {
+  idGenerator: new AWSXRayIdGenerator(),
+  resources: resources
+};
+const tracerProvider = new NodeTracerProvider(tracerConfig);
+```
+
+### Trace ID Details
+
+Example trace ID format: 58406520a006649127e371903a2de979
+
+A trace ID consists of two parts; the timestamp and the unique identifier.
+
+#### Time Stamp
+
+* the first 8 hexadecimal digits represent the time of the original request in Unix epoch time
+* for example, 10:00AM December 1st, 2016 PST in epoch time is 1480615200 seconds, or 58406520 in hexadecimal digits.
+
+#### Unique Identifier
+
+* the last 24 hexadecimal digits is an random identifier for the trace
+
+## Useful links
+
+- For more information on OpenTelemetry, visit: <https://opentelemetry.io/>
+- For more about OpenTelemetry JavaScript: <https://github.com/open-telemetry/opentelemetry-js>
+- For help or feedback on this project, join us in [GitHub Discussions][discussions-url]
+
+### License
+
+Apache 2.0 - See [LICENSE][license-url] for more information.
+[discussions-url]: https://github.com/open-telemetry/opentelemetry-js/discussions
+[license-url]: https://github.com/open-telemetry/opentelemetry-js-contrib/blob/main/LICENSE
+[license-image]: https://img.shields.io/badge/license-Apache_2.0-green.svg?style=flat
+[dependencies-image]: https://status.david-dm.org/gh/open-telemetry/opentelemetry-js-contrib.svg?path=packages%2Fopentelemetry-id-generator-aws-xray
+[dependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib?path=packages%2Fopentelemetry-id-generator-aws-xray
+[devDependencies-image]: https://status.david-dm.org/gh/open-telemetry/opentelemetry-js-contrib.svg?path=packages%2Fopentelemetry-id-generator-aws-xray&type=dev
+[devDependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib?path=packages%2Fopentelemetry-id-generator-aws-xray&type=dev
+[npm-url]: https://www.npmjs.com/package/@opentelemetry/id-generator-aws-xray
+[npm-img]: https://badge.fury.io/js/%40opentelemetry%2Fid-generator-aws-xray.svg

packages/opentelemetry-id-generator-aws-xray/karma.conf.js

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+/*!
+ * Copyright The OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+const karmaWebpackConfig = require('../../karma.webpack');
+const karmaBaseConfig = require('../../karma.base');
+
+module.exports = config => {
+  config.set(
+    Object.assign({}, karmaBaseConfig, {
+      webpack: karmaWebpackConfig,
+    })
+  );
+};

packages/opentelemetry-id-generator-aws-xray/package.json

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+{
+  "name": "@opentelemetry/id-generator-aws-xray",
+  "version": "0.15.0",
+  "description": "AWS X-Ray ID generator for OpenTelemetry",
+  "main": "build/src/index.js",
+  "browser": {
+    "./src/platform/index.ts": "./src/platform/browser/index.ts",
+    "./build/src/platform/index.js": "./build/src/platform/browser/index.js"
+  },
+  "types": "build/src/index.d.ts",
+  "repository": "open-telemetry/opentelemetry-js-contrib",
+  "scripts": {
+    "precompile": "tsc --version",
+    "compile": "tsc --build",
+    "clean": "tsc --build --clean",
+    "test": "nyc ts-mocha -p tsconfig.json test/**/*.test.ts",
+    "test:browser": "nyc karma start --single-run",
+    "codecov": "nyc report --reporter=json && codecov -f coverage/*.json -p ../../",
+    "lint": "eslint . --ext .ts",
+    "lint:fix": "eslint . --ext .ts --fix",
+    "version": "node ../../scripts/version-update.js",
+    "watch": "tsc --build --watch",
+    "prepare": "npm run compile"
+  },
+  "keywords": [
+    "opentelemetry",
+    "nodejs",
+    "browser",
+    "tracing",
+    "AWS",
+    "X-Ray"
+  ],
+  "author": "OpenTelemetry Authors",
+  "license": "Apache-2.0",
+  "engines": {
+    "node": ">=8.5.0"
+  },
+  "files": [
+    "build/src/**/*.js",
+    "build/src/**/*.js.map",
+    "build/src/**/*.d.ts",
+    "doc",
+    "LICENSE",
+    "README.md"
+  ],
+  "devDependencies": {
+    "@types/mocha": "8.2.0",
+    "@types/node": "14.14.12",
+    "@types/sinon": "9.0.4",
+    "@types/webpack-env": "1.16.0",
+    "codecov": "3.8.1",
+    "gts": "3.1.0",
+    "istanbul-instrumenter-loader": "3.0.1",
+    "karma": "5.2.3",
+    "karma-chrome-launcher": "3.1.0",
+    "karma-coverage-istanbul-reporter": "3.0.3",
+    "karma-mocha": "2.0.1",
+    "karma-spec-reporter": "0.0.32",
+    "karma-webpack": "5.0.0",
+    "mocha": "7.2.0",
+    "nyc": "15.1.0",
+    "rimraf": "3.0.2",
+    "sinon": "10.0.0",
+    "ts-loader": "8.0.12",
+    "ts-mocha": "8.0.0",
+    "typescript": "4.1.3",
+    "webpack": "4.46.0"
+  },
+  "dependencies": {
+    "@opentelemetry/api": "^0.18.0",
+    "@opentelemetry/core": "^0.18.0"
+  }
+}