Question 241163 in Laravel Question posted in
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Laravel – How can I retry a pool HTTP request based on certain status codes?

I’m making a set of HTTP requests using Laravel’s Http::pool like so:

$responses = Http::pool(fn(Pool $pool) => $requests->map(fn($r) => 
            $pool->as($r->id)->myMacro()->post('myUrl', [
               ...
            ])
        ));

myMacro() is defined in AppServiceProvider like so:

        PendingRequest::macro('myMacro', function () {
            return PendingRequest::withHeaders([
                'Content-Type' => 'application/json',
                'Authorization' => ...
            ]);
        });

I would like to amend myMacro() to set up a standard retry policy for the service I’m calling. I want to retry on both errors and certain HTTP status codes (e.g. 503).

I can’t seem to get it to work, though. I tried calling withMiddleware in the macro to throw on certain status codes but the middleware was never invoked.

This feels like a straightforward ask; what am I doing wrong?

Tags:

2

Answers


  1. 0

    This is how I’m doing it, try to change:

        PendingRequest::macro('myMacro', function () {
        return PendingRequest::withHeaders([
            'Content-Type' => 'application/json',
            'Authorization' => ...
        ]);
    });

    to this:

    use IlluminateHttpClientPendingRequest;
use IlluminateHttpClientResponse;

PendingRequest::macro('myMacro', function () {
    return $this->withHeaders([
        'Content-Type' => 'application/json',
        'Authorization' => ...
    ])->retry(3, 100, function ($response, $e) {
        // Retry on server error status codes or exceptions
        return $e instanceof Exception || ($response instanceof Response && $response->status() === 503);
    });
});
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  2. 0

    I guess you can use the retry method to retry a request based on certain conditions.You can modify your macro to include a retry:

    PendingRequest::macro('myMacro', function () {
    return PendingRequest::withHeaders([
        'Content-Type' => 'application/json',
        'Authorization' => ...
    ])->retry(3, 100)->retryUntil(function ($response) {
        // Retry on server errors and 503 status code, etc...
        return $response->serverError() || $response->status() === 503;
    }, 100);
});

    The request will be retried up to 3 times if it encounters a server error (5xx status code) or a 503 status code and there will be a 100ms delay between each attempt.
    I hope this is what you’re looking for…

    Edit:
    I modify it to use retryUntil instead

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