@ovotech/schema-registry-api
A simple typescript node-fetch wrapper on the confluent schema-registry api
Last updated 2 months ago by ikerin .
Apache-2.0 · Original npm · Tarball · package.json
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Schema Registry API

A simple typescript node-fetch wrapper on the confluent schema-registry api.

This allows calling the api in a promise-based type-safe manner.

Using

yarn add @ovotech/schema-registry-api
import { Schema } from 'avsc';
const schema: Schema = {
  type: 'record',
  name: 'TestSchema',
  fields: [{ name: 'accountId', type: 'string' }],
};

const subjects = await getSubjects(schemaRegistryUrl);
const newVersion = await addSubjectVersion(schemaRegistryUrl, 'clients', schema);
const foundSchema = await getSchema(schemaRegistryUrl, newVersion.id);

The api rest endpoint are directly translated into functions calling node-fetch:

Function Rest Docs
getSchema(baseUrl: string, id: number) GET /schemas/ids/:id
getSubjects(baseUrl: string) GET /subjects
getSubjectVersions(baseUrl: string, subject: string) GET /subjects/:subject/versions
deleteSubject(baseUrl: string, subject: string) DELETE /subjects/:subject
getSubjectVersionSchema(baseUrl: string, subject: string, version: number) GET /subjects/:subject/versions/:version/schema
addSubjectVersion(baseUrl: string, subject: string, schema: Schema) POST /subjects/:subject/versions
checkSubjectRegistered(baseUrl: string, subject: string, schema: Schema) POST /subjects/:subject
deleteSubjectVersion(baseUrl: string, subject: string, version: number) DELETE /subjects/:subject/versions/:version
checkCompatibility( baseUrl: string, subject: string, version: number | 'latest', schema: Schema) POST /compatibility/subjects/:subject/versions/:version

But there are also to slightly higher level functions:

idToSchema(baseUrl: string, id: number) - return a schema as a parsed Schema object from a schema id. schemaToId(baseUrl: string, subject: string, schema: Schema) - return the id of a schema object. This will check for an existence of a schema within the given subject, and create a schema version if one was not found.

Running the tests

The tests require a running schema registry service, and we're using docker compose to start it, alongside kafka and zookeeper, required by the service.

So in the project's parent directory run:

docker-compose up

Then you can run the tests with:

yarn test

Coding style (linting, etc) tests

Style is maintained with prettier and tslint

yarn lint

Deployment

Deployment is preferment by lerna automatically on merge / push to master, but you'll need to bump the package version numbers yourself. Only updated packages with newer versions will be pushed to the npm registry.

Contributing

Have a bug? File an issue with a simple example that reproduces this so we can take a look & confirm.

Want to make a change? Submit a PR, explain why it's useful, and make sure you've updated the docs (this file) and the tests (see test folder).

License

This project is licensed under Apache 2 - see the LICENSE file for details

Current Tags

  • 1.0.7                                ...           latest (2 months ago)

6 Versions

  • 1.0.7                                ...           2 months ago
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  • 1.0.1                                ...           2 years ago
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