{"id":31758,"date":"2024-11-26T12:04:01","date_gmt":"2024-11-26T04:04:01","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=23037"},"modified":"2024-11-26T12:04:01","modified_gmt":"2024-11-26T04:04:01","slug":"%e4%ba%86%e8%a7%a3opentelemetry%ef%bc%9a%e4%b8%ba%e5%bc%80%e5%8f%91%e8%80%85%e6%8f%90%e4%be%9b%e7%9a%84%e5%bc%ba%e5%a4%a7%e7%9b%91%e6%8e%a7%e5%88%a9%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/31758.html","title":{"rendered":"\u4e86\u89e3OpenTelemetry\uff1a\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u7684\u5f3a\u5927\u76d1\u63a7\u5229\u5668"},"content":{"rendered":"

\t\t\t\tOpenTelemetry<\/a>\u662f\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee\uff0c\u65e8\u5728\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e00\u5957\u7edf\u4e00\u7684\u5de5\u5177\u548c\u6807\u51c6\uff0c\u7528\u4e8e\u6536\u96c6\u3001\u5904\u7406\u548c\u5bfc\u51fa\u5e94\u7528\u7a0b\u5e8f\u7684\u9065\u6d4b\u6570\u636e\u3002\u968f\u7740\u5fae\u670d\u52a1\u67b6\u6784\u548c\u4e91\u539f\u751f\u5e94\u7528\u7684\u666e\u53ca\uff0c\u76d1\u63a7\u548c\u8ffd\u8e2a\u7cfb\u7edf\u7684\u590d\u6742\u6027\u4e0d\u65ad\u589e\u52a0\uff0cOpenTelemetry<\/a>\u5e94\u8fd0\u800c\u751f\uff0c\u6210\u4e3a\u5f00\u53d1\u8005\u624b\u4e2d\u7684\u5f3a\u5927\u76d1\u63a7\u5229\u5668\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdOpenTelemetry\u7684\u80cc\u666f\u3001\u6838\u5fc3\u6982\u5ff5\u3001\u67b6\u6784\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u5728\u73b0\u4ee3\u5316\u5e94\u7528\u76d1\u63a7\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n\n\n\n\n

\u80cc\u666f\u4e0e\u8d77\u6e90<\/h3>\n\n\n\n\n

\u5728OpenTelemetry\u51fa\u73b0\u4e4b\u524d\uff0c\u5f00\u53d1\u8005\u9700\u8981\u9762\u5bf9\u591a\u79cd\u76d1\u63a7\u5de5\u5177\u548c\u6807\u51c6\uff0c\u5982OpenTracing\u3001OpenCensus\u7b49\u3002\u8fd9\u4e9b\u5de5\u5177\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u4f46\u7f3a\u4e4f\u7edf\u4e00\u7684\u6807\u51c6\u548c\u517c\u5bb9\u6027\uff0c\u5bfc\u81f4\u5f00\u53d1\u8005\u5728\u96c6\u6210\u548c\u8fc1\u79fb\u65f6\u9762\u4e34\u8bf8\u591a\u6311\u6218\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0cCNCF\uff08\u4e91\u539f\u751f\u8ba1\u7b97\u57fa\u91d1\u4f1a\uff09\u57282019\u5e74\u542f\u52a8\u4e86OpenTelemetry\u9879\u76ee\uff0c\u65e8\u5728\u5c06OpenTracing\u548cOpenCensus\u7684\u4f18\u52bf\u7ed3\u5408\u8d77\u6765\uff0c\u63d0\u4f9b\u4e00\u4e2a\u7edf\u4e00\u7684\u9065\u6d4b\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n\n\n\n\n\n

<\/p>\n\n\n\n\n\n\n\n\n\n

\u6838\u5fc3\u6982\u5ff5<\/h3>\n\n\n\n\n

OpenTelemetry\u7684\u6838\u5fc3\u6982\u5ff5\u5305\u62ec\u6307\u6807\uff08Metrics\uff09\u3001\u8ffd\u8e2a\uff08Tracing\uff09\u548c\u65e5\u5fd7\uff08Logging\uff09\uff0c\u8fd9\u4e09\u8005\u5171\u540c\u6784\u6210\u4e86\u5e94\u7528\u7684\u9065\u6d4b\u6570\u636e\u3002<\/p>\n\n\n\n\n

    \n\n\n
  1. \n\n

    \u6307\u6807\uff08Metrics\uff09<\/strong>\uff1a\u6307\u6807\u7528\u4e8e\u8861\u91cf\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u5065\u5eb7\u72b6\u51b5\uff0c\u5982CPU\u4f7f\u7528\u7387\u3001\u5185\u5b58\u5360\u7528\u3001\u8bf7\u6c42\u5ef6\u8fdf\u7b49\u3002OpenTelemetry\u652f\u6301\u591a\u79cd\u6307\u6807\u7c7b\u578b\uff0c\u5305\u62ec\u8ba1\u6570\u5668\uff08Counter\uff09\u3001\u8ba1\u91cf\u5668\uff08Gauge\uff09\u548c\u76f4\u65b9\u56fe\uff08Histogram\uff09\u7b49\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n

  2. \n\n

    \u8ffd\u8e2a\uff08Tracing\uff09<\/strong>\uff1a\u8ffd\u8e2a\u7528\u4e8e\u8bb0\u5f55\u8bf7\u6c42\u5728\u7cfb\u7edf\u4e2d\u7684\u6d41\u8f6c\u8def\u5f84\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u7406\u89e3\u7cfb\u7edf\u7684\u884c\u4e3a\u548c\u6027\u80fd\u74f6\u9888\u3002\u6bcf\u4e2a\u8bf7\u6c42\u751f\u6210\u4e00\u4e2a\u552f\u4e00\u7684\u8ffd\u8e2aID\uff0c\u76f8\u5173\u7684\u64cd\u4f5c\u751f\u6210\u4e00\u7cfb\u5217\u7684\u8de8\u5ea6\uff08Span\uff09\uff0c\u8fd9\u4e9b\u8de8\u5ea6\u901a\u8fc7\u7236\u5b50\u5173\u7cfb\u8fde\u63a5\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u8ffd\u8e2a\u6811\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n

  3. \n\n

    \u65e5\u5fd7\uff08Logging\uff09<\/strong>\uff1a\u65e5\u5fd7\u8bb0\u5f55\u5e94\u7528\u7a0b\u5e8f\u7684\u8fd0\u884c\u65f6\u4fe1\u606f\uff0c\u5305\u62ec\u9519\u8bef\u3001\u8b66\u544a\u548c\u5176\u4ed6\u91cd\u8981\u4e8b\u4ef6\u3002OpenTelemetry\u901a\u8fc7\u6807\u51c6\u5316\u65e5\u5fd7\u683c\u5f0f\uff0c\u4f7f\u5f97\u65e5\u5fd7\u6570\u636e\u66f4\u5bb9\u6613\u88ab\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n

    \u67b6\u6784\u4e0e\u7ec4\u4ef6<\/h3>\n\n\n\n\n

    OpenTelemetry\u7684\u67b6\u6784\u5206\u4e3a\u51e0\u4e2a\u5173\u952e\u7ec4\u4ef6\uff0c\u5305\u62ec\u6570\u636e\u6536\u96c6\u5668\uff08Collector\uff09\u3001API\/SDK\u3001\u5bfc\u51fa\u5668\uff08Exporter\uff09\u548c\u4eea\u8868\u677f\uff08Dashboard\uff09\u3002<\/p>\n\n\n\n\n

      \n\n\n
    1. \n\n

      \u6570\u636e\u6536\u96c6\u5668\uff08Collector\uff09<\/strong>\uff1a\u6570\u636e\u6536\u96c6\u5668\u662fOpenTelemetry\u7684\u6838\u5fc3\u7ec4\u4ef6\uff0c\u8d1f\u8d23\u63a5\u6536\u3001\u5904\u7406\u548c\u8f6c\u53d1\u9065\u6d4b\u6570\u636e\u3002\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u6e90\u548c\u5bfc\u51fa\u76ee\u6807\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u5904\u7406\u529f\u80fd\uff0c\u5982\u6570\u636e\u8fc7\u6ee4\u3001\u805a\u5408\u548c\u8f6c\u6362\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n

    2. \n\n

      API\/SDK<\/strong>\uff1aOpenTelemetry\u63d0\u4f9b\u4e86\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u7684API\u548cSDK\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u5c06\u9065\u6d4b\u6570\u636e\u96c6\u6210\u5230\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002API\u5b9a\u4e49\u4e86\u6570\u636e\u6a21\u578b\u548c\u63a5\u53e3\uff0cSDK\u5b9e\u73b0\u4e86\u5177\u4f53\u7684\u6570\u636e\u6536\u96c6\u548c\u5904\u7406\u903b\u8f91\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n

    3. \n\n

      \u5bfc\u51fa\u5668\uff08Exporter\uff09<\/strong>\uff1a\u5bfc\u51fa\u5668\u8d1f\u8d23\u5c06\u6536\u96c6\u5230\u7684\u9065\u6d4b\u6570\u636e\u53d1\u9001\u5230\u540e\u7aef\u5b58\u50a8\u6216\u5206\u6790\u7cfb\u7edf\uff0c\u5982Prometheus<\/a>\u3001Jaeger\u3001ELK Stack\u7b49\u3002OpenTelemetry\u652f\u6301\u591a\u79cd\u5bfc\u51fa\u5668\uff0c\u6ee1\u8db3\u4e0d\u540c\u7528\u6237\u7684\u9700\u6c42\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n

    4. \n\n

      \u4eea\u8868\u677f\uff08Dashboard\uff09<\/strong>\uff1a\u4eea\u8868\u677f\u7528\u4e8e\u5c55\u793a\u548c\u5206\u6790\u9065\u6d4b\u6570\u636e\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u76f4\u89c2\u5730\u4e86\u89e3\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\u548c\u6027\u80fd\u8868\u73b0\u3002OpenTelemetry\u53ef\u4ee5\u4e0e\u591a\u79cd\u4eea\u8868\u677f\u5de5\u5177\u96c6\u6210\uff0c\u5982Grafana\u3001Kibana\u7b49\u3002<\/p>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n

      \u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n\n

      1. \u5b89\u88c5\u548c\u914d\u7f6e<\/h4>\n\n\n\n\n

      \u9996\u5148\uff0c\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b89\u88c5OpenTelemetry\u7684SDK\u3002\u4ee5Python\u4e3a\u4f8b\uff0c\u53ef\u4ee5\u901a\u8fc7pip\u5b89\u88c5\uff1a<\/p>\n\n\n\n\n

      pip install opentelemetry-sdk
      \n<\/code><\/pre>\n\n\n\n\n
      \u63a5\u4e0b\u6765\uff0c\u914d\u7f6eSDK\u4ee5\u6536\u96c6\u9065\u6d4b\u6570\u636e\u3002\u901a\u5e38\u9700\u8981\u8bbe\u7f6e\u8ffd\u8e2a\u5668\u548c\u5bfc\u51fa\u5668\uff1a<\/p>\n\n\n\n\n
      from opentelemetry import trace
      \nfrom opentelemetry.sdk.trace import TracerProvider
      \nfrom opentelemetry.sdk.trace.export import ConsoleSpanExporter, SimpleSpanProcessor
      \n
      \n# \u8bbe\u7f6e\u8ffd\u8e2a\u5668\u63d0\u4f9b\u8005
      \nprovider = TracerProvider()
      \ntrace.set_tracer_provider(provider)
      \n
      \n# \u8bbe\u7f6e\u5bfc\u51fa\u5668
      \nexporter = ConsoleSpanExporter()
      \nprocessor = SimpleSpanProcessor(exporter)
      \nprovider.add_span_processor(processor)
      \n
      \n# \u83b7\u53d6\u8ffd\u8e2a\u5668
      \ntracer = trace.get_tracer(__name__)
      \n<\/code><\/pre>\n\n\n\n\n
      2. \u6536\u96c6\u8ffd\u8e2a\u6570\u636e<\/h4>\n\n\n\n\n
      \u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u5173\u952e\u8def\u5f84\u4e2d\u6dfb\u52a0\u8ffd\u8e2a\u8de8\u5ea6\uff0c\u8bb0\u5f55\u8bf7\u6c42\u7684\u5904\u7406\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n\n
      def handle_request(request):
      \n    with tracer.start_as_current_span("handle_request"):
      \n        # \u5904\u7406\u8bf7\u6c42\u7684\u903b\u8f91
      \n        process_request(request)
      \n        # \u8bb0\u5f55\u989d\u5916\u4fe1\u606f
      \n        current_span = trace.get_current_span()
      \n        current_span.set_attribute("request_id", request.id)
      \n<\/code><\/pre>\n\n\n\n\n
      3. \u6536\u96c6\u6307\u6807\u6570\u636e<\/h4>\n\n\n\n\n
      \u4f7f\u7528OpenTelemetry\u7684\u6307\u6807API\uff0c\u5b9a\u4e49\u548c\u66f4\u65b0\u6307\u6807\uff1a<\/p>\n\n\n\n\n
      from opentelemetry import metrics
      \nfrom opentelemetry.sdk.metrics import MeterProvider
      \n
      \n# \u8bbe\u7f6e\u6307\u6807\u63d0\u4f9b\u8005
      \nprovider = MeterProvider()
      \nmetrics.set_meter_provider(provider)
      \nmeter = metrics.get_meter(__name__)
      \n
      \n# \u5b9a\u4e49\u8ba1\u6570\u5668
      \nrequest_counter = meter.create_counter(
      \n    name="requests",
      \n    description="Number of requests received",
      \n    unit="1"
      \n)
      \n
      \ndef handle_request(request):
      \n    # \u66f4\u65b0\u8ba1\u6570\u5668
      \n    request_counter.add(1, {"method": request.method})
      \n    # \u5904\u7406\u8bf7\u6c42\u7684\u903b\u8f91
      \n    process_request(request)
      \n<\/code><\/pre>\n\n\n\n\n
      4. \u914d\u7f6e\u6570\u636e\u6536\u96c6\u5668<\/h4>\n\n\n\n\n
      \u90e8\u7f72OpenTelemetry\u6570\u636e\u6536\u96c6\u5668\uff0c\u914d\u7f6e\u6570\u636e\u6e90\u548c\u5bfc\u51fa\u76ee\u6807\u3002\u6570\u636e\u6536\u96c6\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n\n
      receivers:
      \n  otlp:
      \n    protocols:
      \n      grpc:
      \n      http:
      \n
      \nprocessors:
      \n  batch:
      \n
      \nexporters:
      \n  Prometheus<\/a>:
      \n    endpoint: "0.0.0.0:8889"
      \n  jaeger:
      \n    endpoint: "localhost:6831"
      \n
      \nservice:
      \n  pipelines:
      \n    traces:
      \n      receivers: [otlp]
      \n      processors: [batch]
      \n      exporters: [jaeger]
      \n    metrics:
      \n      receivers: [otlp]
      \n      processors: [batch]
      \n      exporters: [prometheus]
      \n<\/code><\/pre>\n\n\n\n\n
      \u4f18\u52bf\u4e0e\u91cd\u8981\u6027<\/h3>\n\n\n\n\n
      OpenTelemetry\u4f5c\u4e3a\u73b0\u4ee3\u5316\u5e94\u7528\u76d1\u63a7\u7684\u5229\u5668\uff0c\u5177\u6709\u4ee5\u4e0b\u663e\u8457\u4f18\u52bf\uff1a<\/p>\n\n\n\n\n
        \n\n\n
      1. \n\n
        \u7edf\u4e00\u6807\u51c6<\/strong>\uff1aOpenTelemetry\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7edf\u4e00\u7684\u9065\u6d4b\u6807\u51c6\uff0c\u907f\u514d\u4e86\u591a\u5de5\u5177\u96c6\u6210\u7684\u590d\u6742\u6027\uff0c\u7b80\u5316\u4e86\u5f00\u53d1\u8005\u7684\u5de5\u4f5c\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n
      2. \n\n
        \u8de8\u8bed\u8a00\u652f\u6301<\/strong>\uff1aOpenTelemetry\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u5305\u62ecJava\u3001Python\u3001Go\u3001Node.js\u7b49\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u6280\u672f\u6808\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n
      3. \n\n
        \u7075\u6d3b\u53ef\u6269\u5c55<\/strong>\uff1aOpenTelemetry\u7684\u67b6\u6784\u8bbe\u8ba1\u7075\u6d3b\uff0c\u652f\u6301\u81ea\u5b9a\u4e49\u6570\u636e\u6536\u96c6\u548c\u5904\u7406\u903b\u8f91\uff0c\u6613\u4e8e\u6269\u5c55\u548c\u5b9a\u5236\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n
      4. \n\n
        \u793e\u533a\u652f\u6301<\/strong>\uff1a\u4f5c\u4e3aCNCF\u7684\u9879\u76ee\uff0cOpenTelemetry\u62e5\u6709\u5f3a\u5927\u7684\u793e\u533a\u652f\u6301\uff0c\u6301\u7eed\u66f4\u65b0\u548c\u6539\u8fdb\uff0c\u4fdd\u8bc1\u4e86\u6280\u672f\u7684\u5148\u8fdb\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n
      5. \n\n
        \u96c6\u6210\u5e7f\u6cdb<\/strong>\uff1aOpenTelemetry\u53ef\u4ee5\u4e0e\u591a\u79cd\u540e\u7aef\u5b58\u50a8\u548c\u5206\u6790\u5de5\u5177\u96c6\u6210\uff0c\u5982Prometheus\u3001Jaeger\u3001ELK Stack\u7b49\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u53ef\u89c6\u5316\u548c\u5206\u6790\u80fd\u529b\u3002<\/p>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n
        \u5e94\u7528\u573a\u666f<\/h3>\n\n\n\n\n
        OpenTelemetry\u9002\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n\n\n\n\n
          \n\n\n
        1. \n\n
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