77 lines
2.2 KiB
PHP
77 lines
2.2 KiB
PHP
<?php
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namespace App\Services;
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use GuzzleHttp\Client;
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class PrometheusService
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{
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protected $client;
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protected $baseUri = 'http://127.0.0.1:9090/api/v1/'; // Prometheus 的默认地址
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public function __construct()
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{
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$this->client = new Client(['base_uri' => $this->baseUri]);
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}
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/**
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* 执行 Prometheus 实时查询
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*
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* @param string $query PromQL 查询语句
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* @return array 返回查询结果
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*/
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public function query($query)
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{
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try {
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$response = $this->client->get('query', [
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'query' => ['query' => $query],
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]);
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return json_decode($response->getBody()->getContents(), true);
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} catch (\Exception $e) {
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// 处理异常，记录日志或返回错误信息
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error_log('Query failed: ' . $e->getMessage());
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return ['error' => 'Failed to execute query', 'message' => $e->getMessage()];
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}
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}
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/**
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* 执行 Prometheus 区间查询
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*
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* @param string $query PromQL 查询语句
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* @param int $start 开始时间（时间戳，单位秒）
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* @param int $end 结束时间（时间戳，单位秒）
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* @param int $step 时间间隔（单位秒）
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* @return array 返回查询结果
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*/
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public function queryRange($query, $start, $end, $step)
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{
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try {
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$response = $this->client->get('query_range', [
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'query' => [
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'query' => $query,
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'start' => $start,
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'end' => $end,
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'step' => $step,
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],
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]);
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return json_decode($response->getBody()->getContents(), true);
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} catch (\Exception $e) {
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// 处理异常，记录日志或返回错误信息
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error_log('Query range failed: ' . $e->getMessage());
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return ['error' => 'Failed to execute query range', 'message' => $e->getMessage()];
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}
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}
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/**
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* 获取 Prometheus 监控的所有目标
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*
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* @return array 返回目标信息
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*/
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public function getTargets()
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{
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$response = $this->client->get('targets');
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return json_decode($response->getBody()->getContents(), true);
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}
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}
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