README

Kafka Schema Registry API Client

Description

An API Client written in PHP to communicate with Kafka Schema Registry.

Installation

composer require jobcloud/php-kafka-schema-registry-client

Requirements

php: ^8.0

Supported API calls

Currently it supports:

Get list of subjects
Get list of schema versions for a subject
Delete Subject
Delete Schema version
Get Subject's Schema by version
Get Schema by ID
Register new Schema Version for a subject
Check Schema compatibility for schema version that exist for subject
Get Default Compatibility level
Set Default Compatibility level
Get Compatibility level of subject
Set Compatibility level for subject
Get Version by providing schema for a subject
Get Subject's latest schema version
Setting the registry mode

Code example

<?php

use Buzz\Client\Curl;
use Jobcloud\Kafka\SchemaRegistryClient\ErrorHandler;
use Jobcloud\Kafka\SchemaRegistryClient\HttpClient;
use Jobcloud\Kafka\SchemaRegistryClient\KafkaSchemaRegistryApiClient;
use Nyholm\Psr7\Factory\Psr17Factory;

require 'vendor/autoload.php';

$psr17Factory = new Psr17Factory();
$client = new Curl($psr17Factory);
$username = 'USERNAME';
$password = 'PASSWORD';

$registryClient = new HttpClient(
    $client,
    $psr17Factory,
    new ErrorHandler(),
    'http://your-registry-schema-server-url:9081',
    $username ?? null,
    $password ?? null
);

$schema = '{"type":"record","name":"something","namespace":"whatever.you.want","fields":[{"name":"id","type":"string"}]}';
$registryClientApi = new KafkaSchemaRegistryApiClient($registryClient);
$subjectName = 'some.subject.name';

$results = $registryClientApi->getVersionForSchema($subjectName, $schema);

If you are using Pimple Container in you App, you can use Service Provider:

use Jobcloud\Kafka\SchemaRegistryClient\ServiceProvider\KafkaSchemaRegistryApiClientProvider;
use Pimple\Container;

$container = new Container();

$container['kafka.schema.registry'] = [
    'base.url' => 'http://your-registry-schema-server-url:9081',
    'username' => 'your_username',
    'password' => 'your_password',
];

$container->register(new KafkaSchemaRegistryApiClientProvider());

$api = $container['kafka.schema.registry.client.api']);

$data = $api->getSubjects();

Contributing

This is an open source project that welcomes pull requests and issues from anyone.
This is the API reference to follow for any new functionality: https://docs.confluent.io/current/schema-registry/develop/api.html

jobcloud / php-kafka-schema-registry-client

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