ditkrg/rabbit_carrots
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Brusk Awat 2024-08-05 01:07:15 +03:00
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@ -33,6 +33,9 @@ RabbitCarrots.configure do |c|
c.rabbitmq_password = ENV.fetch('RABBITMQ__PASSWORD', nil)
c.rabbitmq_vhost = ENV.fetch('RABBITMQ__VHOST', nil)
c.rabbitmq_exchange_name = ENV.fetch('RABBITMQ__EXCHANGE_NAME', nil)
c.automatically_recover = true
c.network_recovery_interval = 5
c.recovery_attempts = 5
c.routing_key_mappings = [
{ routing_keys: ['RK1', 'RK2'], queue: 'QUEUE_NAME', handler: 'CLASS HANDLER IN STRING' },
{ routing_keys: ['RK1', 'RK2'], queue: 'QUEUE_NAME', handler: 'CLASS HANDLER IN STRING' }
@ -41,8 +44,6 @@ end
```
Note that handler is a class that must implement a method named ```handle!``` that takes 4 parameters as follow:
```ruby
@ -53,8 +54,6 @@ class DummyEventHandler
end
```
Inside the handle message, you can NACK the message without re-queuing by raising ```RabbitCarrots::EventHandlers::Errors::NackMessage``` exception.
To NACK and re-queue, raise ```RabbitCarrots::EventHandlers::Errors::NackAndRequeueMessage``` exception.
@ -65,8 +64,16 @@ Note: Any other unrescued exception raised inside ```handle!``` the that is a su
### Running
Then run ```bundle exec rake rabbit_carrots:eat```.
For better scalability and improved performance, you can run rabbit_carrots in standalone mode by invoking the following command:
```bundle exec rake rabbit_carrots:eat```.
#### Puma
For small and medium sized projects, you can delegate the management of the rabbit_carrots to the Puma web server. To achieve that, add the following line to your puma.rb
```plugin :rabbit_carrots```
This will make sure that Puma will manage rabbit carrots as a background service and will gracefully terminate if rabbit_carrots eventually loses connection after multiple automatic recovery.
## Development
After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.