<?php
// Kafka集群健康检查脚本
$brokers = [
'broker1' => 'localhost:9092',
'broker2' => 'localhost:9093',
'broker3' => 'localhost:9094'
];
foreach ($brokers as $brokerId => $brokerAddress) {
$ch = curl_init($brokerAddress . '/healthcheck');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
if ($response === false) {
echo "Broker $brokerId is down\n";
} else {
echo "Broker $brokerId is up\n";
}
}
?>
这个PHP脚本会循环检查指定的Kafka broker是否健康，通过向每个broker的/healthcheck端点发送HTTP请求来检查。如果某个broker无法响应请求，脚本会输出"Broker [brokerId] is down"；如果broker正常响应请求，脚本会输出"Broker [brokerId] is up"。可以根据实际情况修改$brokers数组中的broker信息。
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