feat: knex instrumentation

plugins/node/opentelemetry-instrumentation-knex/.eslintignore

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+build

plugins/node/opentelemetry-instrumentation-knex/.eslintrc.js

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

plugins/node/opentelemetry-instrumentation-knex/.npmignore

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

plugins/node/opentelemetry-instrumentation-knex/LICENSE

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plugins/node/opentelemetry-instrumentation-knex/README.md

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+# OpenTelemetry knex Instrumentation for Node.js
+
+[![Gitter chat][gitter-image]][gitter-url]
+[![dependencies][dependencies-image]][dependencies-url]
+[![devDependencies][devDependencies-image]][devDependencies-url]
+[![Apache License][license-image]][license-image]
+
+This module provides automatic instrumentation for [`knex`](https://github.com/knex/node-knex) and allows the user to automatically collect trace data and export them to their backend of choice.
+
+For automatic instrumentation see the
+[@opentelemetry/node](https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-node) package.
+
+## Installation
+
+```bash
+npm install --save @opentelemetry/instrumentation-knex
+```
+### Supported Versions
+
+ - `0.x.x`
+
+## Usage
+
+```js
+const { KnexInstrumentation, KnexInstrumentationConfig } = require('@opentelemetry/instrumentation-knex');
+const { ConsoleSpanExporter, SimpleSpanProcessor } = require('@opentelemetry/tracing');
+const { NodeTracerProvider } = require('@opentelemetry/node');
+const { registerInstrumentations } = require('@opentelemetry/instrumentation');
+
+const provider = new NodeTracerProvider();
+
+provider.addSpanProcessor(new SimpleSpanProcessor(new ConsoleSpanExporter()));
+provider.register();
+
+registerInstrumentations({
+  instrumentations: [
+    new KnexInstrumentation(
+      new KnexInstrumentationConfig({
+        maxQueryLength: 100,
+      })
+    )],
+  tracerProvider: provider,
+});
+```
+
+### Configuration Options
+
+| Options | Type | Example | Description |
+| ------- | ---- | ------- | ----------- |
+| `maxQueryLength` | `number` | `100` | Truncate `db.statement` attribute to a maximum length. If the statement is truncated `'..'` is added to it's end. Default `1022`. `-1` leaves `db.statement` untouched. |
+
+
+## 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 on [gitter][gitter-url]
+
+## License
+
+Apache 2.0 - See [LICENSE][license-url] for more information.
+
+[gitter-image]: https://badges.gitter.im/open-telemetry/opentelemetry-js.svg
+[gitter-url]: https://gitter.im/open-telemetry/opentelemetry-node?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
+[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://david-dm.org/open-telemetry/opentelemetry-js-contrib/status.svg?path=packages/opentelemetry-instrumentation-knex
+[dependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib?path=packages%2Fopentelemetry-instrumentation-knex
+[devDependencies-image]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib/dev-status.svg?path=packages/opentelemetry-instrumentation-knex
+[devDependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib?path=packages%2Fopentelemetry-instrumentation-knex&type=dev

plugins/node/opentelemetry-instrumentation-knex/package.json

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+{
+  "name": "@opentelemetry/instrumentation-knex",
+  "version": "0.16.0",
+  "description": "OpenTelemetry Knex automatic instrumentation package",
+  "main": "build/src/index.js",
+  "types": "build/src/index.d.ts",
+  "repository": "open-telemetry/opentelemetry-js-contrib",
+  "scripts": {
+    "test": "nyc ts-mocha -p tsconfig.json 'test/**/*.ts'",
+    "codecov": "nyc report --reporter=json && codecov -f coverage/*.json -p ../../",
+    "tdd": "yarn test -- --watch-extensions ts --watch",
+    "clean": "rimraf build/*",
+    "lint": "eslint . --ext .ts",
+    "lint:fix": "eslint . --ext .ts --fix",
+    "precompile": "tsc --version",
+    "version:update": "node ../../../scripts/version-update.js",
+    "compile": "npm run version:update && tsc -p .",
+    "prepare": "npm run compile",
+    "watch": "tsc -w"
+  },
+  "keywords": [
+    "opentelemetry",
+    "knex",
+    "nodejs",
+    "tracing",
+    "instrumentation"
+  ],
+  "author": "OpenTelemetry Authors",
+  "license": "Apache-2.0",
+  "engines": {
+    "node": ">=8.5.0"
+  },
+  "files": [
+    "build/src/**/*.js",
+    "build/src/**/*.d.ts",
+    "doc",
+    "LICENSE",
+    "README.md"
+  ],
+  "publishConfig": {
+    "access": "public"
+  },
+  "devDependencies": {
+    "@opentelemetry/context-async-hooks": "0.19.0",
+    "@opentelemetry/node": "0.19.0",
+    "@opentelemetry/tracing": "0.19.0",
+    "@types/mocha": "7.0.2",
+    "@types/node": "14.0.27",
+    "codecov": "3.7.2",
+    "gts": "3.1.0",
+    "knex": "^0.95.6",
+    "mocha": "7.2.0",
+    "nyc": "15.1.0",
+    "rimraf": "3.0.2",
+    "sqlite3": "^5.0.2",
+    "ts-mocha": "8.0.0",
+    "typescript": "4.1.3"
+  },
+  "dependencies": {
+    "@opentelemetry/api": "^1.0.0-rc.0",
+    "@opentelemetry/instrumentation": "^0.19.0",
+    "@opentelemetry/semantic-conventions": "^0.19.0"
+  }
+}

plugins/node/opentelemetry-instrumentation-knex/src/constants.ts

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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
+ *
+ *      https://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.
+ */
+
+export const MODULE_NAME = 'knex';
+export const SUPPORTED_VERSIONS = [
+  // use "lib/execution" as basepath, latest tested 0.95.6
+  '>=0.22.0',
+  // use "lib" as basepath
+  '>=0.10.0 <0.18.0',
+  '>=0.19.0 <=0.20.10',
+  '>=0.20.11 <0.22.0',
+  // use "src" as basepath
+  '>=0.18.0 <0.19.0',
+];