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Informations about the package thinkphp-open-telemetry

thinkphp-open-telemetry

ThinkPHP 的 OpenTelemetry 扩展包，用于接入 SigNoz 等可观测性平台。

功能特性

安装

配置

在 config/open_telemetry.php 中配置（如果没有该文件，请创建）：

使用方法

1. HTTP 请求追踪

在 app/middleware.php 中注册中间件：

2. 队列任务追踪 (TraceQueueListener)

要开启队列任务的追踪，需要在项目的 config/event.php 中配置事件监听器。

TraceQueueListener 会自动监听任务的开始、结束和失败事件，并生成相应的 Span。

打开 config/event.php，在 listen 数组中添加以下配置：

配置完成后，ThinkPHP Queue Worker 在处理任务时会自动上报 Trace 数据。 由于使用了 HTTP 长连接，Worker 进程在长驻内存运行时会复用与 SigNoz 的连接，确保高性能。

3. 手动埋点

4. Infrastructure 监控对接

SigNoz 的 Infrastructure 监控需要采集服务器（主机）的指标（如 CPU、内存、磁盘 IO 等）。这不能仅通过 PHP 代码完成，需要在服务器上运行 OpenTelemetry Collector。

本扩展包会自动上报 host.name 属性，使得 SigNoz 可以将 PHP 的 Trace 数据与 Infrastructure 指标关联起来。

对接步骤

  1. 部署 OpenTelemetry Collector (Host Metrics)

    为了方便部署，本项目提供了 Docker Compose 示例配置。

    请查看目录：examples/host-metrics/

    • otel-collector-config.yaml: 包含 hostmetrics 接收器的完整配置
    • docker-compose.yaml: 一键启动 Collector 的配置

    快速启动：

    该 Collector 会采集主机的 CPU、内存、磁盘等指标，并上报给 SigNoz。 注意：请修改 otel-collector-config.yaml 中的 endpoint 指向您的 SigNoz 服务地址。

  2. 确保 Host Name 一致

    SigNoz 通过 host.name 关联 Trace 和 Host Metrics。

    • Host Metrics Collector: 默认会上报宿主机的主机名。
    • PHP 应用: 默认使用 php_uname('n')。

    如果 PHP 运行在 Docker 容器中，容器的主机名（Container ID）通常与宿主机不同。 为了实现关联，请在 config/open_telemetry.php 中配置 host_name，使其与宿主机一致：

  3. 应用层资源监控

    本扩展包会在每个 Root Span（请求入口）结束时，自动记录当前 PHP 进程的内存使用情况：

    • process.memory.usage: 当前分配的内存量 (bytes)
    • process.memory.peak_usage: 内存使用峰值 (bytes)

    您可以在 SigNoz 的 Trace 详情中查看这些属性，或基于这些属性创建自定义仪表盘。

All versions of thinkphp-open-telemetry with dependencies

PHP Build Version
Package Version
Requires php Version >=7.1.0
ext-json Version *
guzzlehttp/guzzle Version ^6.3|^7.0
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