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[Messenger] Handle AMQPConnectionException when publishing a message #57112

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Merged
merged 1 commit into from
Jun 16, 2024
Merged

[Messenger] Handle AMQPConnectionException when publishing a message #57112

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67 changes: 67 additions & 0 deletions src/Symfony/Component/Messenger/Bridge/Amqp/Tests/Transport/ConnectionTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -813,6 +813,73 @@ public function testItCanBeConstructedWithTLSOptionsAndNonTLSDsn()
);
}

public function testItCanRetryPublishWhenAMQPConnectionExceptionIsThrown()
{
$factory = new TestAmqpFactory(
$amqpConnection = $this->createMock(\AMQPConnection::class),
$amqpChannel = $this->createMock(\AMQPChannel::class),
$amqpQueue = $this->createMock(\AMQPQueue::class),
$amqpExchange = $this->createMock(\AMQPExchange::class)
);

$amqpExchange->expects($this->exactly(2))
->method('publish')
->willReturnOnConsecutiveCalls(
$this->throwException(new \AMQPConnectionException('a socket error occurred')),
null
);

$connection = Connection::fromDsn('amqp://localhost', [], $factory);
$connection->publish('body');
}

public function testItCanRetryPublishWithDelayWhenAMQPConnectionExceptionIsThrown()
{
$factory = new TestAmqpFactory(
$amqpConnection = $this->createMock(\AMQPConnection::class),
$amqpChannel = $this->createMock(\AMQPChannel::class),
$amqpQueue = $this->createMock(\AMQPQueue::class),
$amqpExchange = $this->createMock(\AMQPExchange::class)
);

$amqpExchange->expects($this->exactly(2))
->method('publish')
->willReturnOnConsecutiveCalls(
$this->throwException(new \AMQPConnectionException('a socket error occurred')),
null
);

$connection = Connection::fromDsn('amqp://localhost', [], $factory);
$connection->publish('body', [], 5000);
}

public function testItWillRetryMaxThreeTimesWhenAMQPConnectionExceptionIsThrown()
{
$factory = new TestAmqpFactory(
$amqpConnection = $this->createMock(\AMQPConnection::class),
$amqpChannel = $this->createMock(\AMQPChannel::class),
$amqpQueue = $this->createMock(\AMQPQueue::class),
$amqpExchange = $this->createMock(\AMQPExchange::class)
);

$exception = new \AMQPConnectionException('a socket error occurred');

$amqpExchange->expects($this->exactly(4))
->method('publish')
->willReturnOnConsecutiveCalls(
$this->throwException($exception),
$this->throwException($exception),
$this->throwException($exception),
$this->throwException($exception)
);

self::expectException(get_class($exception));
self::expectExceptionMessage($exception->getMessage());

$connection = Connection::fromDsn('amqp://localhost', [], $factory);
$connection->publish('body');
}

private function createDelayOrRetryConnection(\AMQPExchange $delayExchange, string $deadLetterExchangeName, string $delayQueueName): Connection
{
$amqpConnection = $this->createMock(\AMQPConnection::class);
Expand Down
56 changes: 41 additions & 15 deletions src/Symfony/Component/Messenger/Bridge/Amqp/Transport/Connection.php
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Original file line number Diff line number Diff line change
Expand Up @@ -306,19 +306,21 @@ public function publish(string $body, array $headers = [], int $delayInMs = 0, ?
$this->setupExchangeAndQueues(); // also setup normal exchange for delayed messages so delay queue can DLX messages to it
}

if (0 !== $delayInMs) {
$this->publishWithDelay($body, $headers, $delayInMs, $amqpStamp);
$this->withConnectionExceptionRetry(function () use ($body, $headers, $delayInMs, $amqpStamp) {
if (0 !== $delayInMs) {
$this->publishWithDelay($body, $headers, $delayInMs, $amqpStamp);

return;
}
return;
}

$this->publishOnExchange(
$this->exchange(),
$body,
$this->getRoutingKeyForMessage($amqpStamp),
$headers,
$amqpStamp
);
$this->publishOnExchange(
$this->exchange(),
$body,
$this->getRoutingKeyForMessage($amqpStamp),
$headers,
$amqpStamp
);
});
}

/**
Expand Down Expand Up @@ -570,13 +572,18 @@ public function exchange(): \AMQPExchange
private function clearWhenDisconnected(): void
{
if (!$this->channel()->isConnected()) {
$this->amqpChannel = null;
$this->amqpQueues = [];
$this->amqpExchange = null;
$this->amqpDelayExchange = null;
$this->clear();
}
}

private function clear(): void
{
$this->amqpChannel = null;
$this->amqpQueues = [];
$this->amqpExchange = null;
$this->amqpDelayExchange = null;
}

private function getDefaultPublishRoutingKey(): ?string
{
return $this->exchangeOptions['default_publish_routing_key'] ?? null;
Expand All @@ -593,6 +600,25 @@ private function getRoutingKeyForMessage(?AmqpStamp $amqpStamp): ?string
{
return (null !== $amqpStamp ? $amqpStamp->getRoutingKey() : null) ?? $this->getDefaultPublishRoutingKey();
}

private function withConnectionExceptionRetry(callable $callable): void
{
$maxRetries = 3;
$retries = 0;

retry:
try {
$callable();
} catch (\AMQPConnectionException $e) {
if (++$retries <= $maxRetries) {
$this->clear();

goto retry;
}

throw $e;
}
}
}

if (!class_exists(\Symfony\Component\Messenger\Transport\AmqpExt\Connection::class, false)) {
Expand Down