{"id":29239,"date":"2024-11-12T10:59:19","date_gmt":"2024-11-12T02:59:19","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=21076"},"modified":"2024-11-12T10:59:19","modified_gmt":"2024-11-12T02:59:19","slug":"opentelemetry%e5%9f%ba%e7%a1%80%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e7%b2%be%e9%80%9a","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/29239.html","title":{"rendered":"OpenTelemetry\u57fa\u7840\u6307\u5357\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a"},"content":{"rendered":"

\t\t\t\tOpenTelemetry<\/a>\u662f\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee\uff0c\u65e8\u5728\u63d0\u4f9b\u4e00\u5957\u7edf\u4e00\u7684\u5de5\u5177\u548c\u6807\u51c6\uff0c\u7528\u4e8e\u6536\u96c6\u3001\u5904\u7406\u548c\u5bfc\u51fa\u9065\u6d4b\u6570\u636e\u3002\u5b83\u7531CNCF\uff08\u4e91\u539f\u751f\u8ba1\u7b97\u57fa\u91d1\u4f1a\uff09\u6258\u7ba1\uff0c\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u793e\u533a\u652f\u6301\u3002OpenTelemetry<\/a>\u7684\u76ee\u6807\u662f\u7b80\u5316\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u76d1\u63a7\u548c\u8ffd\u8e2a\uff0c\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u548c\u8fd0\u7ef4\u4eba\u5458\u66f4\u597d\u5730\u7406\u89e3\u7cfb\u7edf\u7684\u884c\u4e3a\u548c\u6027\u80fd\u3002\u672c\u6587\u5c06\u4ece\u5165\u95e8\u5230\u7cbe\u901a\uff0c\u8be6\u7ec6\u4ecb\u7ecdOpenTelemetry\u7684\u57fa\u7840\u77e5\u8bc6\u3001\u6838\u5fc3\u7ec4\u4ef6\u3001\u4f7f\u7528\u65b9\u6cd5\u4ee5\u53ca\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n\n\n\n\n

\u5165\u95e8\u7bc7<\/h3>\n\n\n\n\n

\u4ec0\u4e48\u662f\u9065\u6d4b\u6570\u636e\uff1f<\/h4>\n\n\n\n\n

\u9065\u6d4b\u6570\u636e\u662f\u6307\u4ece\u7cfb\u7edf\u4e2d\u6536\u96c6\u7684\u5404\u79cd\u5ea6\u91cf\u6307\u6807\u3001\u65e5\u5fd7\u548c\u8ffd\u8e2a\u4fe1\u606f\u3002\u8fd9\u4e9b\u6570\u636e\u5bf9\u4e8e\u76d1\u63a7\u7cfb\u7edf\u7684\u5065\u5eb7\u72b6\u51b5\u3001\u8bca\u65ad\u95ee\u9898\u3001\u4f18\u5316\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u9065\u6d4b\u6570\u636e\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u4e09\u7c7b\uff1a<\/p>\n\n\n\n\n\n\n\n\n

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

    \n\n\n
  1. \u6307\u6807\uff08Metrics\uff09<\/strong>\uff1a\u53cd\u6620\u7cfb\u7edf\u72b6\u6001\u7684\u6570\u503c\u6570\u636e\uff0c\u5982CPU\u4f7f\u7528\u7387\u3001\u5185\u5b58\u5360\u7528\u3001\u8bf7\u6c42\u5ef6\u8fdf\u7b49\u3002<\/li>\n\n\n\n\n
  2. \u65e5\u5fd7\uff08Logs\uff09<\/strong>\uff1a\u8bb0\u5f55\u7cfb\u7edf\u4e8b\u4ef6\u7684\u6587\u672c\u4fe1\u606f\uff0c\u901a\u5e38\u5305\u542b\u65f6\u95f4\u6233\u3001\u4e8b\u4ef6\u7ea7\u522b\u548c\u63cf\u8ff0\u3002<\/li>\n\n\n\n\n
  3. \u8ffd\u8e2a\uff08Traces\uff09<\/strong>\uff1a\u8bb0\u5f55\u8bf7\u6c42\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6d41\u8f6c\u8def\u5f84\uff0c\u5e2e\u52a9\u7406\u89e3\u7cfb\u7edf\u7684\u8c03\u7528\u5173\u7cfb\u548c\u6027\u80fd\u74f6\u9888\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n

    OpenTelemetry\u7684\u6838\u5fc3\u7ec4\u4ef6<\/h4>\n\n\n\n\n

    OpenTelemetry\u7531\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u7ec4\u4ef6\u7ec4\u6210\uff1a<\/p>\n\n\n\n\n

      \n\n\n
    1. APIs<\/strong>\uff1a\u63d0\u4f9b\u7528\u4e8e\u751f\u6210\u548c\u6536\u96c6\u9065\u6d4b\u6570\u636e\u7684\u63a5\u53e3\u3002<\/li>\n\n\n\n\n
    2. SDKs<\/strong>\uff1a\u5177\u4f53\u5b9e\u73b0APIs\uff0c\u8d1f\u8d23\u6570\u636e\u7684\u91c7\u96c6\u3001\u5904\u7406\u548c\u5bfc\u51fa\u3002<\/li>\n\n\n\n\n
    3. \u5bfc\u51fa\u5668\uff08Exporters\uff09<\/strong>\uff1a\u5c06\u6536\u96c6\u5230\u7684\u9065\u6d4b\u6570\u636e\u53d1\u9001\u5230\u540e\u7aef\u5b58\u50a8\u6216\u5206\u6790\u7cfb\u7edf\u3002<\/li>\n\n\n\n\n
    4. \u4eea\u8868\u76d8\uff08Instrumentation\uff09<\/strong>\uff1a\u7528\u4e8e\u81ea\u52a8\u6216\u624b\u52a8\u6ce8\u5165\u9065\u6d4b\u4ee3\u7801\u7684\u5de5\u5177\u3002<\/li>\n\n\n\n\n
    5. \u6536\u96c6\u5668\uff08Collector\uff09<\/strong>\uff1a\u4e00\u4e2a\u53ef\u914d\u7f6e\u7684\u4ee3\u7406\uff0c\u7528\u4e8e\u63a5\u6536\u3001\u5904\u7406\u548c\u8f6c\u53d1\u9065\u6d4b\u6570\u636e\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n

      \u5b89\u88c5\u548c\u914d\u7f6e<\/h3>\n\n\n\n\n

      \u5b89\u88c5OpenTelemetry SDK<\/h4>\n\n\n\n\n

      \u4ee5Python\u4e3a\u4f8b\uff0c\u5b89\u88c5OpenTelemetry SDK\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u4f7f\u7528pip\u547d\u4ee4\uff1a<\/p>\n\n\n\n\n

      pip install opentelemetry-sdk
      \n<\/code><\/pre>\n\n\n\n\n
      \u5bf9\u4e8e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\uff0c\u5982Java\u3001Go\u3001Node.js\u7b49\uff0cOpenTelemetry\u4e5f\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684SDK\u5305\uff0c\u53ef\u4ee5\u901a\u8fc7\u5404\u81ea\u7684\u8bed\u8a00\u5305\u7ba1\u7406\u5de5\u5177\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n\n\n\n\n
      \u914d\u7f6e\u5bfc\u51fa\u5668<\/h4>\n\n\n\n\n
      \u5bfc\u51fa\u5668\u8d1f\u8d23\u5c06\u6536\u96c6\u5230\u7684\u9065\u6d4b\u6570\u636e\u53d1\u9001\u5230\u540e\u7aef\u7cfb\u7edf\u3002OpenTelemetry\u652f\u6301\u591a\u79cd\u5bfc\u51fa\u5668\uff0c\u5982Jaeger\u3001Prometheus<\/a>\u3001Zipkin\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u914d\u7f6ePrometheus<\/a>\u5bfc\u51fa\u5668\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n\n
      from opentelemetry import metrics
      \nfrom opentelemetry.exporter.prometheus import PrometheusMetricsExporter
      \nfrom opentelemetry.sdk.metrics import MeterProvider
      \nfrom opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader
      \n
      \n# \u8bbe\u7f6ePrometheus\u5bfc\u51fa\u5668
      \nexporter = PrometheusMetricsExporter(
      \n    endpoint="http:\/\/localhost:9090\/metrics"
      \n)
      \n
      \n# \u8bbe\u7f6e\u5468\u671f\u6027\u5bfc\u51fa
      \nreader = PeriodicExportingMetricReader(exporter)
      \nprovider = MeterProvider(metric_readers=[reader])
      \nmetrics.set_meter_provider(provider)
      \n
      \n# \u83b7\u53d6Meter\u5b9e\u4f8b
      \nmeter = metrics.get_meter("my_meter")
      \n<\/code><\/pre>\n\n\n\n\n
      \u4f7f\u7528\u7bc7<\/h3>\n\n\n\n\n
      \u751f\u6210\u6307\u6807<\/h4>\n\n\n\n\n
      OpenTelemetry\u63d0\u4f9b\u4e86\u591a\u79cd\u6307\u6807\u7c7b\u578b\uff0c\u5982\u8ba1\u6570\u5668\uff08Counter\uff09\u3001\u91cf\u89c4\uff08Gauge\uff09\u3001\u76f4\u65b9\u56fe\uff08Histogram\uff09\u548c\u6458\u8981\uff08Summary\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u751f\u6210\u8ba1\u6570\u5668\u6307\u6807\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n\n
      from opentelemetry import metrics
      \nfrom opentelemetry.sdk.metrics import MeterProvider
      \n
      \n# \u8bbe\u7f6eMeterProvider
      \nprovider = MeterProvider()
      \nmetrics.set_meter_provider(provider)
      \n
      \n# \u83b7\u53d6Meter\u5b9e\u4f8b
      \nmeter = metrics.get_meter("my_meter")
      \n
      \n# \u521b\u5efa\u8ba1\u6570\u5668
      \ncounter = meter.create_counter(
      \n    name="requests",
      \n    description="Number of requests",
      \n    unit="1"
      \n)
      \n
      \n# \u8bb0\u5f55\u6307\u6807
      \ncounter.add(1, {"method": "GET", "endpoint": "\/api"})
      \n<\/code><\/pre>\n\n\n\n\n
      \u751f\u6210\u65e5\u5fd7<\/h4>\n\n\n\n\n
      OpenTelemetry\u7684\u65e5\u5fd7API\u5141\u8bb8\u4f60\u8bb0\u5f55\u7ed3\u6784\u5316\u65e5\u5fd7\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u751f\u6210\u65e5\u5fd7\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n\n
      from opentelemetry import logging
      \nfrom opentelemetry.sdk.logging import LoggerProvider
      \n
      \n# \u8bbe\u7f6eLoggerProvider
      \nprovider = LoggerProvider()
      \nlogging.set_logger_provider(provider)
      \n
      \n# \u83b7\u53d6Logger\u5b9e\u4f8b
      \nlogger = logging.get_logger("my_logger")
      \n
      \n# \u8bb0\u5f55\u65e5\u5fd7
      \nlogger.info("This is an info log", extra={"user_id": "12345"})
      \n<\/code><\/pre>\n\n\n\n\n
      \u751f\u6210\u8ffd\u8e2a<\/h4>\n\n\n\n\n
      OpenTelemetry\u7684\u8ffd\u8e2aAPI\u7528\u4e8e\u8bb0\u5f55\u8bf7\u6c42\u7684\u6d41\u8f6c\u8def\u5f84\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u751f\u6210\u8ffd\u8e2a\u7684\u793a\u4f8b\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\u7f6eTracerProvider
      \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\u53d6Tracer\u5b9e\u4f8b
      \ntracer = trace.get_tracer("my_tracer")
      \n
      \n# \u521b\u5efaSpan
      \nwith tracer.start_as_current_span("my_span"):
      \n    # \u6267\u884c\u4e1a\u52a1\u903b\u8f91
      \n    print("Inside span")
      \n<\/code><\/pre>\n\n\n\n\n
      \u8fdb\u9636\u7bc7<\/h3>\n\n\n\n\n
      \u81ea\u52a8\u4eea\u8868\u76d8<\/h4>\n\n\n\n\n
      OpenTelemetry\u63d0\u4f9b\u4e86\u81ea\u52a8\u4eea\u8868\u76d8\u5de5\u5177\uff0c\u53ef\u4ee5\u81ea\u52a8\u6ce8\u5165\u9065\u6d4b\u4ee3\u7801\uff0c\u65e0\u9700\u624b\u52a8\u4fee\u6539\u73b0\u6709\u4ee3\u7801\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u81ea\u52a8\u4eea\u8868\u76d8\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n\n
      from opentelemetry.instrumentation.flask import FlaskInstrumentor
      \n
      \n# \u521d\u59cb\u5316Flask\u5e94\u7528
      \napp = Flask(__name__)
      \n
      \n# \u542f\u7528Flask\u81ea\u52a8\u4eea\u8868\u76d8
      \nFlaskInstrumentor().instrument_app(app)
      \n
      \n@app.route("\/api")
      \ndef hello():
      \n    return "Hello, World!"
      \n<\/code><\/pre>\n\n\n\n\n
      \u4f7f\u7528OpenTelemetry Collector<\/h4>\n\n\n\n\n
      OpenTelemetry Collector\u662f\u4e00\u4e2a\u53ef\u914d\u7f6e\u7684\u4ee3\u7406\uff0c\u7528\u4e8e\u63a5\u6536\u3001\u5904\u7406\u548c\u8f6c\u53d1\u9065\u6d4b\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u7b80\u5316\u9065\u6d4b\u6570\u636e\u7684\u6536\u96c6\u548c\u7ba1\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u914d\u7f6eCollector\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n\n
        \n\n\n
      1. \u5b89\u88c5Collector<\/strong>\uff1a<\/li>\n\n\n<\/ol>\n\n\n\n\n
        docker run -d --name otel-collector \\
        \n  -p 4317:4317 \\
        \n  -p 55681:55681 \\
        \n  otel\/opentelemetry-collector-contrib:latest
        \n<\/code><\/pre>\n\n\n\n\n
          \n\n\n
        1. \u914d\u7f6eCollector<\/strong>\uff1a<\/li>\n\n\n<\/ol>\n\n\n\n\n
          \u521b\u5efa\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6otel-collector-config.yaml<\/code>\uff1a<\/p>\n\n\n\n\n
          receivers:
          \n  otlp:
          \n    protocols:
          \n      grpc:
          \n      http:
          \n
          \nprocessors:
          \n  batch:
          \n
          \nexporters:
          \n  prometheus:
          \n    endpoint: "0.0.0.0:8889"
          \n  logging:
          \n
          \nservice:
          \n  pipelines:
          \n    metrics:
          \n      receivers: [otlp]
          \n      processors: [batch]
          \n      exporters: [prometheus, logging]
          \n<\/code><\/pre>\n\n\n\n\n
            \n\n\n
          1. \u542f\u52a8Collector<\/strong>\uff1a<\/li>\n\n\n<\/ol>\n\n\n\n\n
            docker run -d --name otel-collector \\
            \n  -v $(pwd)\/otel-collector-config.yaml:\/etc\/otel-collector-config.yaml \\
            \n  -p 4317:4317 \\
            \n  -p 55681:55681 \\
            \n  -p 8889:8889 \\
            \n  otel\/opentelemetry-collector-contrib:latest \\
            \n  --config=\/etc\/otel-collector-config.yaml
            \n<\/code><\/pre>\n\n\n\n\n
            \u6700\u4f73\u5b9e\u8df5<\/h3>\n\n\n\n\n
            1. \u7edf\u4e00\u9065\u6d4b\u6807\u51c6<\/h4>\n\n\n\n\n
            \u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u786e\u4fdd\u6240\u6709\u670d\u52a1\u548c\u7ec4\u4ef6\u4f7f\u7528\u7edf\u4e00\u7684\u9065\u6d4b\u6807\u51c6\uff0c\u4ee5\u4fbf\u4e8e\u6570\u636e\u7684\u6574\u5408\u548c\u5206\u6790\u3002OpenTelemetry\u63d0\u4f9b\u4e86\u4e00\u5957\u6807\u51c6\u5316\u7684API\u548cSDK\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n\n\n\n\n
            2. \u4f18\u5316\u6570\u636e\u91c7\u96c6<\/h4>\n\n\n\n\n
            \u5408\u7406\u914d\u7f6e\u6570\u636e\u91c7\u96c6\u7684\u9891\u7387\u548c\u7c92\u5ea6\uff0c\u907f\u514d\u8fc7\u5ea6\u91c7\u96c6\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u5bf9\u4e8e\u5173\u952e\u6307\u6807\uff0c\u53ef\u4ee5\u9002\u5f53\u63d0\u9ad8\u91c7\u96c6\u9891\u7387\uff0c\u800c\u5bf9\u4e8e\u975e\u5173\u952e\u6307\u6807\uff0c\u53ef\u4ee5\u964d\u4f4e\u91c7\u96c6\u9891\u7387\u3002<\/p>\n\n\n\n\n
            3. \u5b89\u5168\u4f20\u8f93\u6570\u636e<\/h4>\n\n\n\n\n
            \u5728\u4f7f\u7528\u5bfc\u51fa\u5668\u53d1\u9001\u9065\u6d4b\u6570\u636e\u65f6\uff0c\u786e\u4fdd\u4f7f\u7528\u5b89\u5168\u7684\u4f20\u8f93\u534f\u8bae\uff0c\u5982TLS\uff0c\u4ee5\u9632\u6b62\u6570\u636e\u6cc4\u9732\u3002<\/p>\n\n\n\n\n
            4. \u76d1\u63a7\u548c\u544a\u8b66<\/h4>\n\n\n\n\n
            \u7ed3\u5408Prometheus\u3001Grafana\u7b49\u76d1\u63a7\u5de5\u5177\uff0c\u8bbe\u7f6e\u5408\u7406\u7684\u544a\u8b66\u89c4\u5219\uff0c\u53ca\u65f6\u53d1\u73b0\u548c\u5904\u7406\u7cfb\u7edf\u95ee\u9898\u3002<\/p>\n\n\n\n\n
            5. \u6301\u7eed\u4f18\u5316<\/h4>\n\n\n\n\n
            \u6839\u636e\u5b9e\u9645\u8fd0\u884c\u60c5\u51b5\uff0c\u6301\u7eed\u4f18\u5316\u9065\u6d4b\u6570\u636e\u7684\u91c7\u96c6\u548c\u5904\u7406\u7b56\u7565\uff0c\u63d0\u5347\u7cfb\u7edf\u7684\u53ef\u89c2\u6d4b\u6027\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n\n
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