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feat: implement service environment variable parsing and add unit tests for port detection logic

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This commit is contained in:
Andras Bacsai
2025-11-11 11:19:33 +01:00
parent 6d6ebe92ff
commit 7fc4a2f7f6
4 changed files with 274 additions and 38 deletions
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50
bootstrap/helpers/services.php
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@@ -184,3 +184,53 @@ function serviceKeys()
{
return get_service_templates()->keys();
}
/**
* Parse a SERVICE_URL_* or SERVICE_FQDN_* variable to extract the service name and port.
*
* This function detects if a service environment variable has a port suffix by checking
* if the last segment after the underscore is numeric.
*
* Examples:
* - SERVICE_URL_APP_3000 → ['service_name' => 'app', 'port' => '3000', 'has_port' => true]
* - SERVICE_URL_MY_API_8080 → ['service_name' => 'my_api', 'port' => '8080', 'has_port' => true]
* - SERVICE_URL_MY_APP → ['service_name' => 'my_app', 'port' => null, 'has_port' => false]
* - SERVICE_FQDN_REDIS_CACHE_6379 → ['service_name' => 'redis_cache', 'port' => '6379', 'has_port' => true]
*
* @param string $key The environment variable key (e.g., SERVICE_URL_APP_3000)
* @return array{service_name: string, port: string|null, has_port: bool} Parsed service information
*/
function parseServiceEnvironmentVariable(string $key): array
{
$strKey = str($key);
$lastSegment = $strKey->afterLast('_')->value();
$hasPort = is_numeric($lastSegment) && ctype_digit($lastSegment);
if ($hasPort) {
// Port-specific variable (e.g., SERVICE_URL_APP_3000)
if ($strKey->startsWith('SERVICE_URL_')) {
$serviceName = $strKey->after('SERVICE_URL_')->beforeLast('_')->lower()->value();
} elseif ($strKey->startsWith('SERVICE_FQDN_')) {
$serviceName = $strKey->after('SERVICE_FQDN_')->beforeLast('_')->lower()->value();
} else {
$serviceName = '';
}
$port = $lastSegment;
} else {
// Base variable without port (e.g., SERVICE_URL_APP)
if ($strKey->startsWith('SERVICE_URL_')) {
$serviceName = $strKey->after('SERVICE_URL_')->lower()->value();
} elseif ($strKey->startsWith('SERVICE_FQDN_')) {
$serviceName = $strKey->after('SERVICE_FQDN_')->lower()->value();
} else {
$serviceName = '';
}
$port = null;
}
return [
'service_name' => $serviceName,
'port' => $port,
'has_port' => $hasPort,
];
}