/
queue.go
57 lines (51 loc) · 1.69 KB
/
queue.go
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package rabbitmq
import (
"fmt"
"github.com/gojekfarm/ziggurat/v2"
"github.com/streadway/amqp"
)
var queueTypes = []string{QueueTypeDelay, QueueTypeInstant, QueueTypeDL}
func createAndBindQueue(ch *amqp.Channel, queueName string, queueType string, args amqp.Table) error {
queueWithType := fmt.Sprintf("%s_%s_%s", queueName, queueType, "queue")
if _, err := ch.QueueDeclare(queueWithType, true, false, false, false, args); err != nil {
return err
}
if err := ch.QueueBind(queueWithType, queueType, queueName+"_exchange", false, amqp.Table{}); err != nil {
return err
}
return nil
}
func createQueuesAndExchanges(ch *amqp.Channel, queueName string, logger ziggurat.StructuredLogger) error {
if err := ch.ExchangeDeclare(queueName+"_exchange", amqp.ExchangeDirect, true, false, false, false, amqp.Table{}); err != nil {
return err
}
for _, qt := range queueTypes {
args := amqp.Table{}
logger.Info("creating queue", map[string]interface{}{"queue": queueName, "type": qt})
if qt == QueueTypeDelay {
args = amqp.Table{
"x-dead-letter-exchange": fmt.Sprintf("%s_%s", queueName, "exchange"),
"x-dead-letter-routing-key": QueueTypeInstant,
}
}
if err := createAndBindQueue(ch, queueName, qt, args); err != nil {
return err
}
}
return nil
}
func deleteQueuesAndExchanges(ch *amqp.Channel, queueName string) error {
for _, qt := range queueTypes {
exchangeName := fmt.Sprintf("%s_%s_%s", queueName, qt, "exchange")
err := ch.ExchangeDelete(exchangeName, false, false)
if err != nil {
return err
}
queueName := fmt.Sprintf("%s_%s_%s", queueName, qt, "queue")
_, err = ch.QueueDelete(queueName, false, false, false)
if err != nil {
return err
}
}
return nil
}