jukylin/jaeger-php

Jaeger 的 PHP 客户端


README

Build Status Minimum PHP Version License Coverage Status

jaeger-php

安装

通过 composer 安装。

composer config minimum-stability dev
composer require jukylin/jaeger-php

初始化 Jaeger-php

$config = Config::getInstance();
$tracer = $config->initTracer('example', '0.0.0.0:6831');

128位

$config->gen128bit();

从 Superglobals 提取

$spanContext = $tracer->extract(Formats\TEXT_MAP, $_SERVER);

启动 Span

$serverSpan = $tracer->startSpan('example HTTP', ['child_of' => $spanContext]);

分布式上下文传播

$serverSpan->addBaggageItem("version", "2.0.0");

注入到 Superglobals

$clientTrace->inject($clientSpan1->spanContext, Formats\TEXT_MAP, $_SERVER);

标签和日志

// tags are searchable in Jaeger UI
$span->setTag('http.status', '200');

// log record
$span->log(['error' => 'HTTP request timeout']);

关闭 Tracer

$config->setDisabled(true);

Zipkin B3 传播

不支持 分布式上下文传播

$config::$propagator = \Jaeger\Constants\PROPAGATOR_ZIPKIN;

完成 Span 并刷新 Tracer

$span->finish();
$config->flush();

更多示例

特性

  • 传输

    • 通过 UDP over Thrift
  • 采样

    • ConstSampler
    • ProbabilisticSampler

参考

OpenTracing

Jaeger