This is a User Script for unRaid to interface with various *arr APIs. It will test (and thus re-activate) indexers and download clients in Prowlarr, Sonarr, and Radarr.

unraidArrTester

#!/usr/bin/php
<?php
#description=ARR Tester


// -- CONFIG -- //

// API Key mode:
//   Determines if the API key is sent as part of the URL or in the request header
//   either HEADER or URL
$API_KEY_MODE = "HEADER";


// Services
//   name of each service is only used for displaying results so can be whatever
//    - url: full API url (with http(s):// and port, but without trailing slash)
//    - apikey: this is unique to each app.  Find it in Settings->General

$services = [
    'Prowlarr' => 
        [
            'url'       => 'http://172.19.0.7:9696/api/v1',
            'apikey'    => 'api1234',
        ],
    'Sonarr' =>
        [
            'url'       => 'http://172.19.0.7:8989/api/v3',
            'apikey'    => 'api5678',
        ],
    'Radarr' =>
        [
            'url'       => 'http://172.19.0.7:7878/api/v3',
            'apikey'    => 'api0110',
        ],
];

// End Points
//   name of each end point is for display of results only and can be whatever
//    - method: POST, GET....
//    - url:    added to services.url to for the complete request url

$end_points = [
    'indexers' => 
        [
            'method'    => 'POST',
            'url'       => '/indexer/testall',
        ],
    'download clients' => 
        [
            'method'    => 'POST',
            'url'       => '/downloadclient/testall',
        ],
];


// -- END CONFIG -- //





$curl = curl_init();

foreach ($end_points as $desc => $ep_config) {
    echo "\n\nTesting $desc...\n";

    foreach ($services as $service => $s_config) {
        echo " - $service: ";

        $url = $s_config['url'] . $ep_config['url'];
        $get_data = callAPI($ep_config['method'], $url, $s_config['apikey'], false);
        $response = json_decode($get_data, true);

        if (!is_array($response))
            echo "$get_data\n";

        else {
            $failures = getValidationFailures($response);
            
            if (count($failures) === 0)
                echo "All " . count($response) . " $desc are working\n";
            else
                echo count($failures) . " of " . count($response) . " $desc have failed\n";
    
        }
    }
}

curl_close($curl);

echo "\n\nAll Done";






function callAPI($method, $url, $apikey, $data)
{
    global $curl, $API_KEY_MODE;

    try {
        switch ($method) {
            case "POST":
                curl_setopt($curl, CURLOPT_POST, 1);
                if ($data)
                    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
                break;
            case "PUT":
                curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "PUT");
                if ($data)
                    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);			 					
                break;
            case "DELETE":
                curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "DELETE");
                if ($data)
                    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);			 					
                break;
            default:
                if ($data)
                    $url = sprintf("%s?%s", $url, http_build_query($data));
        }

        if ($API_KEY_MODE == "HEADER") {
            curl_setopt($curl, CURLOPT_HTTPHEADER, array(
                'X-Api-Key: ' . $apikey,
                'Content-Type: application/json',
                'Accept: application/json',
            ));
        } else {
            $url = (str_contains($url, '?')) ? "$url&apikey=$apikey" : "$url?apikey=$apikey";
        }

        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); 
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); 
        curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
        curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 15);
        
        // EXECUTE:
        $result = curl_exec($curl);

        if(!$result)
            return "Error: Connection Failure";
        return $result;
    
    } catch (Exception $e) {
        return "Error: " . $e->getMessage();
    }
}

function getValidationFailures($array)
{
    $failures = [];

    foreach ($array as $key => $val) {
        if (count($val['validationFailures']) !== 0)
            $failures[] = $val['id'];
    }

    return $failures;
}
?>

Usage...

1. Create a new User Script and copy this gist in it's entirety.
2. Edit the url & api key for each *arr service you want to test
3. Edit the end points if needed (refer to the API docs)
4. Save the script
5. Either manually run it when needed or set it to run on a schedule