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Fix zombie healthcheck

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This commit is contained in:
Alexander Pankratov 2023-05-23 23:54:57 +02:00
parent 9cfd578695
commit e07c7e4e43
1 changed files with 17 additions and 15 deletions
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32
src/Server/HealthCheck.php
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@ -13,6 +13,7 @@ use Throwable;
use UnexpectedValueException;
use function Amp\async;
use function Amp\Future\awaitAll;
use function Amp\trapSignal;
class HealthCheck
{
@ -39,8 +40,8 @@ class HealthCheck
static::$checkInterval = (int)Config::getInstance()->get('health_check.interval');
static::$requestTimeout = (int)Config::getInstance()->get('health_check.timeout');
try {
EventLoop::repeat(static::$checkInterval, static function () use ($parentPid) {
EventLoop::repeat(static::$checkInterval, static function () use ($parentPid) {
try {
Logger::getInstance()->info('Start health check');
if (!self::isProcessAlive($parentPid)) {
throw new RuntimeException('Parent process died');
@ -54,21 +55,22 @@ class HealthCheck
awaitAll($futures);
Logger::getInstance()->info('Health check ok. Sessions checked: ' . count($sessionsForCheck));
});
EventLoop::run();
} catch (Throwable $e) {
Logger::getInstance()->error($e->getMessage());
Logger::getInstance()->critical('Health check failed');
if (self::isProcessAlive($parentPid)) {
Logger::getInstance()->critical('Killing parent process');
exec("kill -2 $parentPid");
} catch (Throwable $e) {
Logger::getInstance()->error($e->getMessage());
Logger::getInstance()->critical('Health check failed');
if (self::isProcessAlive($parentPid)) {
exec("kill -9 $parentPid");
}
}
}
Logger::getInstance()->critical('Killing parent process');
exec("kill -2 $parentPid");
if (self::isProcessAlive($parentPid)) {
exec("kill -9 $parentPid");
}
}
exit(1);
}
});
trapSignal([SIGINT, SIGTERM]);
Logger::getInstance()->critical('Health check process exit');
}