{"id":20925,"date":"2024-11-11T14:40:49","date_gmt":"2024-11-11T06:40:49","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=20925"},"modified":"2024-11-11T14:40:49","modified_gmt":"2024-11-11T06:40:49","slug":"opentelemetry%e8%a7%a3%e8%af%bb%ef%bc%9a%e6%8f%90%e5%8d%87%e5%ba%94%e7%94%a8%e7%a8%b3%e5%ae%9a%e6%80%a7%e7%9a%84%e6%9c%89%e5%8a%9b%e5%b7%a5%e5%85%b7","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/20925.html","title":{"rendered":"OpenTelemetry\u89e3\u8bfb\uff1a\u63d0\u5347\u5e94\u7528\u7a33\u5b9a\u6027\u7684\u6709\u529b\u5de5\u5177"},"content":{"rendered":"<p>\t\t\t\t<![CDATA[\n\n<p>OpenTelemetry\u662f\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee\uff0c\u65e8\u5728\u63d0\u4f9b\u4e00\u5957\u6807\u51c6\u5316\u7684\u5de5\u5177\u548cAPI\uff0c\u7528\u4e8e\u6536\u96c6\u3001\u5904\u7406\u548c\u5bfc\u51fa\u9065\u6d4b\u6570\u636e\u3002\u968f\u7740\u5fae\u670d\u52a1\u67b6\u6784\u548c\u4e91\u539f\u751f\u5e94\u7528\u7684\u666e\u53ca\uff0c\u5e94\u7528\u7cfb\u7edf\u7684\u590d\u6742\u6027\u548c\u89c4\u6a21\u4e0d\u65ad\u589e\u52a0\uff0c\u786e\u4fdd\u5e94\u7528\u7a33\u5b9a\u6027\u6210\u4e3a\u5f00\u53d1\u8005\u9762\u4e34\u7684\u91cd\u8981\u6311\u6218\u3002OpenTelemetry\u901a\u8fc7\u63d0\u4f9b\u7edf\u4e00\u7684\u9065\u6d4b\u6570\u636e\u6536\u96c6\u6846\u67b6\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u76d1\u63a7\u5e94\u7528\u7684\u884c\u4e3a\uff0c\u4ece\u800c\u63d0\u5347\u5e94\u7528\u7684\u7a33\u5b9a\u6027\u3002\u672c\u6587\u5c06\u6df1\u5165\u89e3\u8bfbOpenTelemetry\u7684\u6838\u5fc3\u6982\u5ff5\u3001\u67b6\u6784\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u5728\u63d0\u5347\u5e94\u7528\u7a33\u5b9a\u6027\u65b9\u9762\u7684\u5177\u4f53\u5e94\u7528\u3002<\/p>\n\n\n\n\n<h3>OpenTelemetry\u7684\u6838\u5fc3\u6982\u5ff5<\/h3>\n\n\n\n\n<h4>\u9065\u6d4b\u6570\u636e\u7c7b\u578b<\/h4>\n\n\n\n\n<p>OpenTelemetry\u4e3b\u8981\u5173\u6ce8\u4e09\u79cd\u7c7b\u578b\u7684\u9065\u6d4b\u6570\u636e\uff1a\u6307\u6807\uff08Metrics\uff09\u3001\u65e5\u5fd7\uff08Logs\uff09\u548c\u8ffd\u8e2a\uff08Traces\uff09\u3002<\/p>\n\n\n\n\n\n\n\n\n<p align=center><img decoding=\"async\" src=\"https:\/\/www.yunshan.net\/blog\/wp-content\/uploads\/2024\/11\/kY2NqioAr.jpg\" width=1000><\/p>\n\n\n\n\n\n\n\n\n\n<ol>\n\n\n<li><strong>\u6307\u6807\uff08Metrics\uff09<\/strong>\uff1a\u6307\u6807\u7528\u4e8e\u8861\u91cf\u5e94\u7528\u6216\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u72b6\u6001\uff0c\u901a\u5e38\u5305\u62ec\u8ba1\u6570\u5668\u3001\u8ba1\u91cf\u5668\u548c\u76f4\u65b9\u56fe\u7b49\u3002\u4f8b\u5982\uff0c\u8bf7\u6c42\u6b21\u6570\u3001\u54cd\u5e94\u65f6\u95f4\u3001CPU\u4f7f\u7528\u7387\u7b49\u3002<\/li>\n\n\n\n\n<li><strong>\u65e5\u5fd7\uff08Logs\uff09<\/strong>\uff1a\u65e5\u5fd7\u8bb0\u5f55\u4e86\u5e94\u7528\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u5404\u79cd\u4e8b\u4ef6\u548c\u72b6\u6001\u4fe1\u606f\uff0c\u901a\u5e38\u7528\u4e8e\u8c03\u8bd5\u548c\u6545\u969c\u6392\u67e5\u3002<\/li>\n\n\n\n\n<li><strong>\u8ffd\u8e2a\uff08Traces\uff09<\/strong>\uff1a\u8ffd\u8e2a\u6570\u636e\u8bb0\u5f55\u4e86\u8bf7\u6c42\u5728\u7cfb\u7edf\u4e2d\u7684\u6d41\u8f6c\u8def\u5f84\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u7406\u89e3\u8bf7\u6c42\u7684\u5b8c\u6574\u751f\u547d\u5468\u671f\u548c\u5404\u4e2a\u670d\u52a1\u4e4b\u95f4\u7684\u8c03\u7528\u5173\u7cfb\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n<h4>\u6570\u636e\u6a21\u578b<\/h4>\n\n\n\n\n<p>OpenTelemetry\u5b9a\u4e49\u4e86\u4e00\u5957\u6807\u51c6\u5316\u7684\u6570\u636e\u6a21\u578b\uff0c\u786e\u4fdd\u4e0d\u540c\u5de5\u5177\u548c\u5e73\u53f0\u4e4b\u95f4\u7684\u6570\u636e\u517c\u5bb9\u6027\u3002\u6bcf\u4e2a\u9065\u6d4b\u6570\u636e\u9879\u90fd\u5305\u542b\u4ee5\u4e0b\u57fa\u672c\u5143\u7d20\uff1a<\/p>\n\n\n\n\n<ul>\n\n\n<li><strong>\u65f6\u95f4\u6233\uff08Timestamp\uff09<\/strong>\uff1a\u6570\u636e\u4ea7\u751f\u7684\u65f6\u95f4\u3002<\/li>\n\n\n\n\n<li><strong>\u5c5e\u6027\uff08Attributes\uff09<\/strong>\uff1a\u7528\u4e8e\u63cf\u8ff0\u6570\u636e\u7684\u952e\u503c\u5bf9\u3002<\/li>\n\n\n\n\n<li><strong>\u8d44\u6e90\uff08Resource\uff09<\/strong>\uff1a\u6807\u8bc6\u6570\u636e\u6765\u6e90\u7684\u5b9e\u4f53\uff0c\u5982\u670d\u52a1\u5b9e\u4f8b\u3001\u4e3b\u673a\u7b49\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n<h3>OpenTelemetry\u7684\u67b6\u6784<\/h3>\n\n\n\n\n<p>OpenTelemetry\u7684\u67b6\u6784\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u4e3b\u8981\u7ec4\u4ef6\uff1a<\/p>\n\n\n\n\n<ol>\n\n\n<li><strong>API\u548cSDK<\/strong>\uff1a\u63d0\u4f9b\u7528\u4e8e\u751f\u6210\u548c\u6536\u96c6\u9065\u6d4b\u6570\u636e\u7684API\u548cSDK\uff0c\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u3002<\/li>\n\n\n\n\n<li><strong>\u5bfc\u51fa\u5668\uff08Exporters\uff09<\/strong>\uff1a\u5c06\u6536\u96c6\u5230\u7684\u9065\u6d4b\u6570\u636e\u5bfc\u51fa\u5230\u540e\u7aef\u5b58\u50a8\u6216\u5206\u6790\u7cfb\u7edf\uff0c\u5982<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">Prometheus<\/a>\u3001Jaeger\u3001ELK Stack\u7b49\u3002<\/li>\n\n\n\n\n<li><strong>\u5904\u7406\u5668\uff08Processors\uff09<\/strong>\uff1a\u5728\u6570\u636e\u5bfc\u51fa\u524d\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\uff0c\u5982\u91c7\u6837\u3001\u8fc7\u6ee4\u3001\u805a\u5408\u7b49\u3002<\/li>\n\n\n\n\n<li><strong>\u8d44\u6e90\uff08Resource\uff09<\/strong>\uff1a\u7528\u4e8e\u6807\u8bc6\u6570\u636e\u6765\u6e90\u7684\u5b9e\u4f53\u4fe1\u606f\u3002<\/li>\n\n\n\n\n<li><strong>\u4eea\u8868\u677f\u548c\u53ef\u89c6\u5316\u5de5\u5177<\/strong>\uff1a\u7528\u4e8e\u5c55\u793a\u548c\u5206\u6790\u9065\u6d4b\u6570\u636e\u7684\u5de5\u5177\uff0c\u5982Grafana\u3001Jaeger UI\u7b49\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n<h3>OpenTelemetry\u7684\u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n\n<h4>\u5b89\u88c5\u548c\u914d\u7f6e<\/h4>\n\n\n\n\n<p>\u9996\u5148\uff0c\u9700\u8981\u5728\u5e94\u7528\u4e2d\u5b89\u88c5OpenTelemetry\u7684SDK\u3002\u4ee5Python\u4e3a\u4f8b\uff0c\u53ef\u4ee5\u901a\u8fc7pip\u5b89\u88c5\uff1a<\/p>\n\n\n\n\n<pre><code class=\"language-bash\">pip install opentelemetry-sdk<br \/>\n<\/code><\/pre>\n\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u914d\u7f6eSDK\u4ee5\u6536\u96c6\u9065\u6d4b\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n\n\n\n\n<pre><code class=\"language-python\">from opentelemetry import trace<br \/>\nfrom opentelemetry.sdk.trace import TracerProvider<br \/>\nfrom opentelemetry.sdk.trace.export import ConsoleSpanExporter, SimpleSpanProcessor<br \/>\n<br \/>\n# \u521b\u5efaTracerProvider<br \/>\nprovider = TracerProvider()<br \/>\ntrace.set_tracer_provider(provider)<br \/>\n<br \/>\n# \u521b\u5efa\u5bfc\u51fa\u5668\u5e76\u6dfb\u52a0\u5230\u5904\u7406\u5668<br \/>\nexporter = ConsoleSpanExporter()<br \/>\nprocessor = SimpleSpanProcessor(exporter)<br \/>\nprovider.add_span_processor(processor)<br \/>\n<br \/>\n# \u83b7\u53d6Tracer<br \/>\ntracer = trace.get_tracer(__name__)<br \/>\n<\/code><\/pre>\n\n\n\n\n<h4>\u6536\u96c6\u9065\u6d4b\u6570\u636e<\/h4>\n\n\n\n\n<p>\u4f7f\u7528Tracer\u521b\u5efa\u8ffd\u8e2a Span\uff0c\u8bb0\u5f55\u8bf7\u6c42\u7684\u5904\u7406\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n\n<pre><code class=\"language-python\">def handle_request(request):<br \/>\n    with tracer.start_as_current_span(&quot;handle_request&quot;):<br \/>\n        # \u5904\u7406\u8bf7\u6c42\u7684\u903b\u8f91<br \/>\n        response = process_request(request)<br \/>\n        return response<br \/>\n<\/code><\/pre>\n\n\n\n\n<h4>\u5bfc\u51fa\u6570\u636e<\/h4>\n\n\n\n\n<p>\u914d\u7f6e\u5bfc\u51fa\u5668\u5c06\u6570\u636e\u5bfc\u51fa\u5230\u540e\u7aef\u7cfb\u7edf\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Jaeger\u4f5c\u4e3a\u8ffd\u8e2a\u540e\u7aef\uff1a<\/p>\n\n\n\n\n<pre><code class=\"language-python\">from opentelemetry.exporter.jaeger.thrift import JaegerExporter<br \/>\n<br \/>\nexporter = JaegerExporter(<br \/>\n    agent_host_name=&quot;localhost&quot;,<br \/>\n    agent_port=6831,<br \/>\n)<br \/>\nprocessor = SimpleSpanProcessor(exporter)<br \/>\nprovider.add_span_processor(processor)<br \/>\n<\/code><\/pre>\n\n\n\n\n<h3>OpenTelemetry\u5728\u63d0\u5347\u5e94\u7528\u7a33\u5b9a\u6027\u65b9\u9762\u7684\u5e94\u7528<\/h3>\n\n\n\n\n<h4>\u5b9e\u65f6\u76d1\u63a7\u548c\u544a\u8b66<\/h4>\n\n\n\n\n<p>\u901a\u8fc7\u6536\u96c6\u548c\u5bfc\u51fa\u6307\u6807\u6570\u636e\uff0cOpenTelemetry\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5b9e\u65f6\u76d1\u63a7\u5e94\u7528\u7684\u6027\u80fd\u548c\u72b6\u6001\u3002\u7ed3\u5408<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">Prometheus<\/a>\u548cGrafana\u7b49\u5de5\u5177\uff0c\u53ef\u4ee5\u6784\u5efa\u5b9e\u65f6\u7684\u76d1\u63a7\u4eea\u8868\u677f\uff0c\u53ca\u65f6\u53d1\u73b0\u548c\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u3002<\/p>\n\n\n\n\n<p>\u4f8b\u5982\uff0c\u76d1\u63a7\u5e94\u7528\u7684\u54cd\u5e94\u65f6\u95f4\u548c\u9519\u8bef\u7387\uff1a<\/p>\n\n\n\n\n<pre><code class=\"language-python\">from opentelemetry.metrics import get_meter_provider, set_meter_provider<br \/>\nfrom opentelemetry.sdk.metrics import MeterProvider<br \/>\nfrom opentelemetry.sdk.metrics.export import ConsoleMetricsExporter, PeriodicExportingMetricReader<br \/>\n<br \/>\n# \u521b\u5efaMeterProvider<br \/>\nprovider = MeterProvider(<br \/>\n    metric_readers=[<br \/>\n        PeriodicExportingMetricReader(ConsoleMetricsExporter())<br \/>\n    ]<br \/>\n)<br \/>\nset_meter_provider(provider)<br \/>\n<br \/>\n# \u83b7\u53d6Meter<br \/>\nmeter = get_meter_provider().get_meter(__name__)<br \/>\n<br \/>\n# \u521b\u5efa\u6307\u6807<br \/>\nresponse_time = meter.create_histogram(<br \/>\n    name=&quot;response_time&quot;,<br \/>\n    description=&quot;Response time in seconds&quot;,<br \/>\n)<br \/>\n<br \/>\nerror_rate = meter.create_counter(<br \/>\n    name=&quot;error_rate&quot;,<br \/>\n    description=&quot;Number of errors&quot;,<br \/>\n)<br \/>\n<br \/>\ndef handle_request(request):<br \/>\n    try:<br \/>\n        # \u8bb0\u5f55\u54cd\u5e94\u65f6\u95f4<br \/>\n        start_time = time.time()<br \/>\n        response = process_request(request)<br \/>\n        end_time = time.time()<br \/>\n        response_time.record(end_time - start_time)<br \/>\n        return response<br \/>\n    except Exception as e:<br \/>\n        # \u8bb0\u5f55\u9519\u8bef\u7387<br \/>\n        error_rate.add(1)<br \/>\n        raise e<br \/>\n<\/code><\/pre>\n\n\n\n\n<h4>\u6545\u969c\u6392\u67e5\u548c<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener 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href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener 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