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Wuying Observer SDK for Python

Project description

Wuying GuestOS Observer Python

功能

  • 记录埋点和Trace数据
  • 埋点的数据格式是JSON对象,包含埋点名称(eventName)、时间(time)、属性(properties)和一些其它的配置信息,比如实例名称、版本等信息。
  • Trace数据格式是JSON对象,包含TraceID、SpanID、ParentSpanID、Name、Kind、StartTime、EndTime、Duration、Attributes、Events、Links、StatusCode、StatusMessage等信息。以SLS Trace数据格式输出到本地文件, 通过定制opentelemetry-python的Exporter实现。

使用方法

  1. 创建一个Python项目,并安装OpenTelemetry SDK
  2. 使用示例可以参考demo.py
from wobs.observer import init, shutdown, new_span_as_current, new_track_point


if __name__ == "__main__":
    # 初始化observer,指定trackpoint和trace文件存放目录,这里设置为当前路径,默认可不填,和C++、Golang版本保持一致
    init("test", track_point_dir='./', trace_dir='./')

    # 创建一个span,并设置属性和事件
    with new_span_as_current("test_trace") as span:
        # 设置属性
        span.set_attribute("key", "value")
        # 添加事件
        span.add_event("event1", {"event_attr": "event_value"})
        # 如果失败了,设置trace的状态和错误信息
        span.set_status(get_status(False), "error message")
        # 记录一个埋点
        new_track_point("test_trace")

    # 程序结束后关闭observer,这一步是可选的
    shutdown()

如何使用远端的trace_id创建span

创建span时,可以指定trace_id和span_id,这样trace_id和span_id就会作为span的父span,从而实现链路追踪。这里在new_span_as_current和new_span方法中做了封装,可以直接传入trace_id和span_id,具体的实现可以参考wobs/observer.py。

    with new_span_as_current("test_trace", trace_id="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", span_id="xxxxxxxxxxxxxxxx") as span:
        span.set_attribute("key", "value")

动态配置 userAliUid

SDK 支持从配置文件 wobs.config.json 中动态读取 userAliUid,并自动将其附加到埋点数据中。

配置文件路径(根据平台自动选择):

  • 云手机(Android): /data/vendor/log/wuying/wobs.config.json
  • Windows: C:\ProgramData\wuying\wobs.config.json
  • Linux/macOS: /var/log/wuying/wobs.config.json

配置文件格式

{
  "userAliUid": "1234567890"
}

功能特性

  • SDK 初始化时自动读取配置文件中的 userAliUid
  • 后台线程每 3 秒轮询配置文件,实时检测变更
  • 无需重启程序,配置文件的修改会在 3 秒内生效
  • userAliUid 自动附加到所有埋点数据的用户信息字段中

测试示例

python3 examples/test_userAliUid.py

发布

修改pyproject.toml文件中的version字段,并执行以下命令进行发布

uv build
uv run twine upload dist/*

依赖

  • Opentelemetry python sdk

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