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feat: AMQPEventSource extra parameters. Fixes #1007 #1009

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merged 5 commits into from
Jan 13, 2021

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spaghettifunk
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This PR aims to fix #1007.

The following new properties are added to the AMQPEventSource object:

  • ExchangeDeclare to set the values of the exchange in the server
  • QueueDeclare to hold the configuration of a queue to hold messages and deliver to consumers
  • QueueBind to hold the configuration that binds an exchange to a queue so that publishings to the exchange will be routed to the queue when the publishing routing key matches the binding routing key
  • Consume to hold the configuration to immediately starts delivering queued messages

All these new properties are optional. The user can take a look at the amqp.yaml example file to see how to set them up.

Signed-off-by: Davide Berdin <davideberdin@gmail.com>
Signed-off-by: Davide Berdin <davideberdin@gmail.com>
eventsources/sources/amqp/start.go Show resolved Hide resolved
eventsources/sources/amqp/start.go Show resolved Hide resolved
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Signed-off-by: Davide Berdin <davideberdin@gmail.com>
@spaghettifunk
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I created a setDefaults() function that should make sure that the values are set as it was before 😃

@@ -155,24 +161,93 @@ func (el *EventListener) StartListening(ctx context.Context, dispatch func([]byt
}
}

// setDefaults sets the default values in case the user hasn't defined them
// helps also to keep retro-compatibility with current dpeloyments
func setDefaults(eventSource *v1alpha1.AMQPEventSource) error {
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It looks good to me except a minor: there's no chance/need to return error in this function. Also, please confirm it is backward compatible with real testing - I don't have an AMQP env setup, can not do a test :), thanks!

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I tested this branch using the example on the website and it works without issues. The messages below are a confirmation

{"level":"info","ts":1610568336.564611,"logger":"argo-events.eventsource","caller":"eventsources/eventing.go:350","msg":"succeeded to publish an event","eventSourceName":"amqp","eventName":"example","eventSourceType":"amqp"}
{"level":"info","ts":1610568406.6777697,"logger":"argo-events.eventsource","caller":"amqp/start.go:114","msg":"received the message","eventSourceName":"amqp","eventSourceType":"amqp","eventName":"example","message-id":""}
{"level":"info","ts":1610568406.6780057,"logger":"argo-events.eventsource","caller":"amqp/start.go:143","msg":"dispatching event ...","eventSourceName":"amqp","eventSourceType":"amqp","eventName":"example"}
{"level":"info","ts":1610568406.6828492,"logger":"argo-events.eventsource","caller":"eventsources/eventing.go:350","msg":"succeeded to publish an event","eventSourceName":"amqp","eventName":"example","eventSourceType":"amqp"}

If somebody encounters an issue, I'll be happy to fix it 😄

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LGTM. Thanks!

@whynowy whynowy merged commit 0136846 into argoproj:master Jan 13, 2021
juliev0 pushed a commit to juliev0/argo-events that referenced this pull request Mar 29, 2022
…#1009)

* add more configuration parameters to AMQPEventSource

Signed-off-by: Davide Berdin <davideberdin@gmail.com>

* add optional values in the amqp event source example

Signed-off-by: Davide Berdin <davideberdin@gmail.com>

* add nil checks and set default parameters

Signed-off-by: Davide Berdin <davideberdin@gmail.com>

* remove returned error from setDefaults() func)

Signed-off-by: Davide Berdin <davideberdin@gmail.com>
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AMQP EventSource: exchange and queue customizable parameters
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