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Informations about the package lumen-pubsub
laravel-pubsub
A Pub-Sub abstraction for Laravel.
This package is a wrapper bridging php-pubsub into Laravel.
For Laravel 4 support, use the package https://github.com/Superbalist/laravel4-pubsub
The following adapters are supported:
- Local
- /dev/null
- Redis
- Kafka (see separate installation instructions below)
- Google Cloud
Installation
The package has a default configuration which uses the following environment variables.
To customize the configuration file, publish the package configuration using Artisan.
You can then edit the generated config at app/config/pubsub.php.
Register the service provider in app.php
Register the facade in app.php
Kafka Adapter Installation
Please note that whilst the package is bundled with support for the php-pubsub-kafka adapter, the adapter is not included by default.
This is because the KafkaPubSubAdapter has an external dependency on the librdkafka c library and the php-rdkafka
PECL extension.
If you plan on using this adapter, you will need to install these dependencies by following these installation instructions.
You can then include the adapter using:
Usage
Creating a Subscriber
The package includes a helper command php artisan make:subscriber MyExampleSubscriber to stub new subscriber command classes.
A lot of pub-sub adapters will contain blocking subscribe() calls, so these commands are best run as daemons running
as a supervisor process.
This generator command will create the file app/Console/Commands/MyExampleSubscriber.php which will contain:
Kafka Subscribers
For subscribers which use the php-pubsub-kafka adapter, you'll likely want to change the consumer_group_id per
subscriber.
To do this, you need to use the PubSubConnectionFactory to create a new connection per subscriber. This is because
the consumer_group_id cannot be changed once a connection is created.
Here is an example of how you can do this:
Adding a Custom Driver
Please see the php-pubsub documentation Writing an Adapter.
To include your custom driver, you can call the extend() function.
All versions of lumen-pubsub with dependencies
illuminate/support Version >=5.2
superbalist/php-pubsub Version 1.0.0
superbalist/php-pubsub-redis Version ^1.0
takatost/php-pubsub-cmq Version ~1.0
superbalist/php-pubsub-google-cloud Version ^2.0
illuminate/console Version >=5.2