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feat: Add NestJS instrumentation #553

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189f896
feat: implement nestjs-core instrumentation
rauno56 Jun 30, 2021
64b16b3
fix: update versions
rauno56 Jul 28, 2021
cc028c8
feat: assure forward compatibility with next versions of Nest
rauno56 Jul 28, 2021
10eb8d6
refactor: rename controller attribute
rauno56 Jul 28, 2021
331b456
docs: list all emitted spans and attributes
rauno56 Jul 28, 2021
2f80d32
Merge branch 'main' of github.com:open-telemetry/opentelemetry-js-con…
rauno56 Jul 28, 2021
e8f9b0b
docs: mention type values for each of the spans
rauno56 Jul 28, 2021
7b02148
chore: update versions
rauno56 Jul 28, 2021
3fa9173
chore: update packages
rauno56 Jul 29, 2021
778cb20
style: lint
rauno56 Jul 29, 2021
e608062
chore: remove utils for now
rauno56 Jul 29, 2021
c1e2b30
Merge branch 'main' of github.com:open-telemetry/opentelemetry-js-con…
rauno56 Jul 29, 2021
e31c22f
chore: update node types patch version
rauno56 Jul 29, 2021
87f82cb
test: test nestjs.type
rauno56 Jul 29, 2021
45d2277
Merge branch 'main' into feat/nestjs-core-instrumentation
rauno56 Jul 30, 2021
2fd2791
Merge branch 'main' into feat/nestjs-core-instrumentation
rauno56 Aug 3, 2021
9609ff4
chore: update version
rauno56 Aug 3, 2021
5eb0227
Merge branch 'main' into feat/nestjs-core-instrumentation
rauno56 Aug 5, 2021
7f2e717
Merge branch 'main' into feat/nestjs-core-instrumentation
rauno56 Aug 7, 2021
6adb48b
Merge branch 'main' of github.com:open-telemetry/opentelemetry-js-con…
rauno56 Aug 11, 2021
512e756
chore: add myself to component owners
rauno56 Aug 10, 2021
41cbf63
fix: remove the default export
rauno56 Aug 10, 2021
042e59a
style: lint
rauno56 Aug 12, 2021
aed06e6
Merge branch 'main' of github.com:open-telemetry/opentelemetry-js-con…
rauno56 Aug 16, 2021
731c430
Merge branch 'main' into feat/nestjs-core-instrumentation
dyladan Aug 18, 2021
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20 changes: 11 additions & 9 deletions .github/component_owners.yml
Original file line number Diff line number Diff line change
@@ -1,19 +1,26 @@
components:
detectors/node/opentelemetry-resource-detector-aws:
- NathanielRN
- willarmiros
detectors/node/opentelemetry-resource-detector-alibaba-cloud:
- legendecas
packages/opentelemetry-id-generator-aws-xray:
- NathanielRN
- willarmiros
plugins/node/opentelemetry-instrumentation-aws-lambda:
- NathanielRN
- willarmiros
plugins/node/opentelemetry-instrumentation-restify:
plugins/node/opentelemetry-instrumentation-generic-pool:
- rauno56
plugins/node/opentelemetry-instrumentation-router:
plugins/node/opentelemetry-instrumentation-knex:
- rauno56
plugins/node/opentelemetry-instrumentation-memcached:
- rauno56
plugins/node/opentelemetry-instrumentation-knex:
plugins/node/opentelemetry-instrumentation-nestjs-core:
dyladan marked this conversation as resolved.
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- rauno56
plugins/node/opentelemetry-instrumentation-generic-pool:
plugins/node/opentelemetry-instrumentation-restify:
- rauno56
plugins/node/opentelemetry-instrumentation-router:
- rauno56
plugins/node/opentelemetry-instrumentation-ioredis:
- blumamir
Expand All @@ -23,11 +30,6 @@ components:
propagators/opentelemetry-propagator-aws-xray:
- NathanielRN
- willarmiros
detectors/node/opentelemetry-resource-detector-aws:
- NathanielRN
- willarmiros
detectors/node/opentelemetry-resource-detector-alibaba-cloud:
- legendecas

ignored-authors:
- renovate-bot
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build
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module.exports = {
env: {
mocha: true,
node: true
},
...require('../../../eslint.config.js')
};
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/bin
/coverage
/doc
/test
201 changes: 201 additions & 0 deletions plugins/node/opentelemetry-instrumentation-nestjs-core/LICENSE
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Original file line number Diff line number Diff line change
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# OpenTelemetry NestJS Instrumentation for Node.js

[![NPM Published Version][npm-img]][npm-url]
[![dependencies][dependencies-image]][dependencies-url]
[![devDependencies][devDependencies-image]][devDependencies-url]
[![Apache License][license-image]][license-image]

This module provides automatic tracing instrumentation for [Nest framework][pkg-web-url].

## Installation

```bash
npm install --save @opentelemetry/instrumentation-nestjs-core
```

### Supported Versions

- `>=4.0.0`

## Usage

OpenTelemetry Nest Instrumentation allows the user to automatically collect trace data from the controller handlers and export them to the backend of choice.

To load a specific instrumentation (**Nest** in this case), specify it in the registerInstrumentations' configuration.

```javascript
const { NodeTracerProvider } = require('@opentelemetry/node');
const { NestInstrumentation } = require('@opentelemetry/instrumentation-nestjs-core');
const { registerInstrumentations } = require('@opentelemetry/instrumentation');

const provider = new NodeTracerProvider();
provider.register();

registerInstrumentations({
instrumentations: [
new NestInstrumentation(),
],
});
```

## Emitted Spans

| Name | `nestjs.type` | Description | Included attributes
| ---- | ---- | ---- | ----
`Create Nest App` | `app_creation` | Traces the bootup for the Nest App. The `NestFactory(Static).create` call. | `nestjs.module`
`<ControllerName>.<memberName>` | `request_context` | Traces the whole request context. | `http.*`, `nestjs.callback`
`<memberName>` | `handler` | Traces the work of a specific controller member function. | `nestjs.callback`

#### Attributes

| Name | Description
| ---- | ----
| `component`* | "@nestjs/core"
| `nestjs.version`* | Version of instrumented `@nestjs/core` package
| `nestjs.type`* | See [NestType](./src/enums/NestType.ts)
| `nestjs.module` | Nest module class name
| `nestjs.controller` | Nest controller class name
| `nestjs.callback` | The function name of the member in the controller
| `http.method` | HTTP method
| `http.url` | Full request URL
| `http.route` | Route assigned to handler. Ex: `/users/:id`

\* included in all of the spans.

## 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=plugins%2Fnode%2Fopentelemetry-instrumentation-nestjs-core
[dependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib?path=plugins%2Fnode%2Fopentelemetry-instrumentation-nestjs-core
[devDependencies-image]: https://status.david-dm.org/gh/open-telemetry/opentelemetry-js-contrib.svg?path=plugins%2Fnode%2Fopentelemetry-instrumentation-nestjs-core&type=dev
[devDependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib?path=plugins%2Fnode%2Fopentelemetry-instrumentation-nestjs-core&type=dev
[npm-url]: https://www.npmjs.com/package/@opentelemetry/instrumentation-nestjs-core
[npm-img]: https://badge.fury.io/js/%40opentelemetry%2Finstrumentation-nestjs-core.svg
[pkg-repo-url]: https://github.com/nestjs/nest
[pkg-npm-url]: https://www.npmjs.com/package/@nestjs/core
[pkg-web-url]: https://nestjs.com/
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