{"id":22760,"date":"2024-11-25T16:50:28","date_gmt":"2024-11-25T08:50:28","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=22760"},"modified":"2024-11-25T16:50:28","modified_gmt":"2024-11-25T08:50:28","slug":"opentelemetry%e5%85%a5%e9%97%a8%e6%8c%87%e5%8d%97%ef%bc%9a%e5%bc%80%e5%90%af%e7%b2%be%e5%87%86%e7%9b%91%e6%8e%a7%e4%b9%8b%e6%97%85","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/22760.html","title":{"rendered":"OpenTelemetry\u5165\u95e8\u6307\u5357\uff1a\u5f00\u542f\u7cbe\u51c6\u76d1\u63a7\u4e4b\u65c5"},"content":{"rendered":"<p>\t\t\t\t<![CDATA[\n\n<p><a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">OpenTelemetry<\/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\uff08\u5982\u6307\u6807\u3001\u65e5\u5fd7\u548c\u8ffd\u8e2a\uff09\u3002\u968f\u7740\u5fae\u670d\u52a1\u67b6\u6784\u7684\u666e\u53ca\uff0c\u5e94\u7528\u7684\u53ef\u89c2\u6d4b\u6027\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\uff0c<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">OpenTelemetry<\/a>\u6b63\u662f\u4e3a\u6b64\u800c\u751f\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdOpenTelemetry\u7684\u57fa\u672c\u6982\u5ff5\u3001\u67b6\u6784\u3001\u5b89\u88c5\u4e0e\u914d\u7f6e\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u5e94\u7528\uff0c\u5e2e\u52a9\u8bfb\u8005\u5f00\u542f\u7cbe\u51c6\u76d1\u63a7\u4e4b\u65c5\u3002<\/p>\n\n\n\n\n<h3>\u4e00\u3001OpenTelemetry\u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n\n\n\n\n<h4>1.1 \u9065\u6d4b\u6570\u636e\u7c7b\u578b<\/h4>\n\n\n\n\n<p>OpenTelemetry\u4e3b\u8981\u5904\u7406\u4e09\u79cd\u7c7b\u578b\u7684\u9065\u6d4b\u6570\u636e\uff1a<\/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\/E0y9s5.jpg\" width=1000><\/p>\n\n\n\n\n\n\n\n\n\n<ul>\n\n\n<li><strong>\u6307\u6807\uff08Metrics\uff09<\/strong>\uff1a\u7528\u4e8e\u8861\u91cf\u5e94\u7528\u6216\u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u5982CPU\u4f7f\u7528\u7387\u3001\u5185\u5b58\u5360\u7528\u7b49\u3002<\/li>\n\n\n\n\n<li><strong>\u65e5\u5fd7\uff08Logs\uff09<\/strong>\uff1a\u8bb0\u5f55\u5e94\u7528\u6216\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\u548c\u4e8b\u4ef6\uff0c\u901a\u5e38\u5305\u542b\u65f6\u95f4\u6233\u3001\u6d88\u606f\u548c\u7ea7\u522b\u7b49\u4fe1\u606f\u3002<\/li>\n\n\n\n\n<li><strong>\u8ffd\u8e2a\uff08Traces\uff09<\/strong>\uff1a\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<\/li>\n\n\n<\/ul>\n\n\n\n\n<h4>1.2 \u6838\u5fc3\u7ec4\u4ef6<\/h4>\n\n\n\n\n<p>OpenTelemetry\u7684\u6838\u5fc3\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n\n\n\n\n<ul>\n\n\n<li><strong>SDK<\/strong>\uff1a\u7528\u4e8e\u6536\u96c6\u9065\u6d4b\u6570\u636e\u7684\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305\u3002<\/li>\n\n\n\n\n<li><strong>API<\/strong>\uff1a\u63d0\u4f9b\u7edf\u4e00\u7684\u63a5\u53e3\uff0c\u4f9b\u5e94\u7528\u4ee3\u7801\u751f\u6210\u9065\u6d4b\u6570\u636e\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\u53d1\u9001\u5230\u540e\u7aef\u5b58\u50a8\u6216\u5206\u6790\u7cfb\u7edf\u3002<\/li>\n\n\n\n\n<li><strong>\u4eea\u8868\u677f\uff08Instrumentation\uff09<\/strong>\uff1a\u81ea\u52a8\u6216\u624b\u52a8\u4e3a\u5e94\u7528\u4ee3\u7801\u6dfb\u52a0\u9065\u6d4b\u6570\u636e\u6536\u96c6\u529f\u80fd\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n<h3>\u4e8c\u3001OpenTelemetry\u7684\u67b6\u6784<\/h3>\n\n\n\n\n<p>OpenTelemetry\u7684\u67b6\u6784\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u5c42\u6b21\uff1a<\/p>\n\n\n\n\n<h4>2.1 \u5e94\u7528\u5c42<\/h4>\n\n\n\n\n<p>\u5e94\u7528\u5c42\u662f\u751f\u6210\u9065\u6d4b\u6570\u636e\u7684\u6e90\u5934\uff0c\u901a\u8fc7OpenTelemetry API\u548cSDK\uff0c\u5e94\u7528\u53ef\u4ee5\u751f\u6210\u548c\u6536\u96c6\u6307\u6807\u3001\u65e5\u5fd7\u548c\u8ffd\u8e2a\u6570\u636e\u3002<\/p>\n\n\n\n\n<h4>2.2 \u6570\u636e\u6536\u96c6\u5c42<\/h4>\n\n\n\n\n<p>\u6570\u636e\u6536\u96c6\u5c42\u7531OpenTelemetry SDK\u548c\u5bfc\u51fa\u5668\u7ec4\u6210\uff0c\u8d1f\u8d23\u4ece\u5e94\u7528\u4e2d\u6536\u96c6\u9065\u6d4b\u6570\u636e\uff0c\u5e76\u5c06\u5176\u683c\u5f0f\u5316\u540e\u53d1\u9001\u5230\u540e\u7aef\u5b58\u50a8\u6216\u5206\u6790\u7cfb\u7edf\u3002<\/p>\n\n\n\n\n<h4>2.3 \u6570\u636e\u5904\u7406\u5c42<\/h4>\n\n\n\n\n<p>\u6570\u636e\u5904\u7406\u5c42\u901a\u5e38\u7531\u7b2c\u4e09\u65b9\u7cfb\u7edf\uff08\u5982Jaeger\u3001<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">Prometheus<\/a>\u3001ELK Stack\u7b49\uff09\u7ec4\u6210\uff0c\u8d1f\u8d23\u5b58\u50a8\u3001\u5206\u6790\u548c\u5c55\u793a\u9065\u6d4b\u6570\u636e\u3002<\/p>\n\n\n\n\n<h4>2.4 \u53ef\u89c6\u5316\u5c42<\/h4>\n\n\n\n\n<p>\u53ef\u89c6\u5316\u5c42\u901a\u8fc7\u4eea\u8868\u677f\u548c\u56fe\u8868\u5c55\u793a\u9065\u6d4b\u6570\u636e\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u548c\u7ba1\u7406\u5458\u76f4\u89c2\u5730\u4e86\u89e3\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n\n<h3>\u4e09\u3001OpenTelemetry\u7684\u5b89\u88c5\u4e0e\u914d\u7f6e<\/h3>\n\n\n\n\n<h4>3.1 \u5b89\u88c5OpenTelemetry SDK<\/h4>\n\n\n\n\n<p>\u4ee5Python\u4e3a\u4f8b\uff0c\u5b89\u88c5OpenTelemetry SDK\u7684\u6b65\u9aa4\u5982\u4e0b\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<h4>3.2 \u914d\u7f6e\u5bfc\u51fa\u5668<\/h4>\n\n\n\n\n<p>OpenTelemetry\u652f\u6301\u591a\u79cd\u5bfc\u51fa\u5668\uff0c\u4ee5\u4e0b\u4ee5Jaeger\u5bfc\u51fa\u5668\u4e3a\u4f8b\u8fdb\u884c\u914d\u7f6e\uff1a<\/p>\n\n\n\n\n<pre><code class=\"language-python\">from opentelemetry import trace<br \/>\nfrom opentelemetry.exporter.jaeger.thrift import JaegerExporter<br \/>\nfrom opentelemetry.sdk.resources import SERVICE_NAME, Resource<br \/>\nfrom opentelemetry.sdk.trace import TracerProvider<br \/>\nfrom opentelemetry.sdk.trace.export import BatchSpanProcessor<br \/>\n<br \/>\n# \u914d\u7f6eJaeger\u5bfc\u51fa\u5668<br \/>\njaeger_exporter = JaegerExporter(<br \/>\n    agent_host_name=&quot;localhost&quot;,<br \/>\n    agent_port=6831,<br \/>\n)<br \/>\n<br \/>\n# \u914d\u7f6eTracerProvider<br \/>\ntrace.set_tracer_provider(<br \/>\n    TracerProvider(<br \/>\n        resource=Resource.create({SERVICE_NAME: &quot;my-service&quot;})<br \/>\n    )<br \/>\n)<br \/>\n<br \/>\n# \u6dfb\u52a0SpanProcessor<br \/>\ntrace.get_tracer_provider().add_span_processor(<br \/>\n    BatchSpanProcessor(jaeger_exporter)<br \/>\n)<br \/>\n<br \/>\ntracer = trace.get_tracer(__name__)<br \/>\n<\/code><\/pre>\n\n\n\n\n<h4>3.3 \u81ea\u52a8\u4eea\u8868\u677f<\/h4>\n\n\n\n\n<p>OpenTelemetry\u63d0\u4f9b\u4e86\u81ea\u52a8\u4eea\u8868\u677f\u529f\u80fd\uff0c\u53ef\u4ee5\u81ea\u52a8\u4e3a\u5e38\u89c1\u6846\u67b6\u548c\u5e93\u6dfb\u52a0\u9065\u6d4b\u6570\u636e\u6536\u96c6\u529f\u80fd\u3002\u4ee5Flask\u4e3a\u4f8b\uff0c\u5b89\u88c5\u81ea\u52a8\u4eea\u8868\u677f\uff1a<\/p>\n\n\n\n\n<pre><code class=\"language-bash\">pip install opentelemetry-instrumentation-flask<br \/>\n<\/code><\/pre>\n\n\n\n\n<p>\u7136\u540e\u5728\u5e94\u7528\u4ee3\u7801\u4e2d\u542f\u7528\u81ea\u52a8\u4eea\u8868\u677f\uff1a<\/p>\n\n\n\n\n<pre><code class=\"language-python\">from opentelemetry.instrumentation.flask import FlaskInstrumentor<br \/>\n<br \/>\napp = Flask(__name__)<br \/>\nFlaskInstrumentor().instrument_app(app)<br \/>\n<\/code><\/pre>\n\n\n\n\n<h3>\u56db\u3001\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u5e94\u7528OpenTelemetry<\/h3>\n\n\n\n\n<h4>4.1 \u9879\u76ee\u80cc\u666f<\/h4>\n\n\n\n\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u57fa\u4e8e\u5fae\u670d\u52a1\u67b6\u6784\u7684\u7535\u5546\u5e73\u53f0\uff0c\u5305\u542b\u7528\u6237\u670d\u52a1\u3001\u8ba2\u5355\u670d\u52a1\u3001\u652f\u4ed8\u670d\u52a1\u7b49\u3002\u6211\u4eec\u9700\u8981\u5bf9\u8fd9\u4e9b\u670d\u52a1\u8fdb\u884c\u76d1\u63a7\uff0c\u4ee5\u4e86\u89e3\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n\n<h4>4.2 \u90e8\u7f72OpenTelemetry<\/h4>\n\n\n\n\n<ol>\n\n\n<li>\n\n<p><strong>\u5b89\u88c5SDK\u548c\u5bfc\u51fa\u5668<\/strong>\uff1a\u5728\u6bcf\u4e2a\u5fae\u670d\u52a1\u4e2d\u5b89\u88c5OpenTelemetry SDK\u548c\u76f8\u5e94\u7684\u5bfc\u51fa\u5668\uff08\u5982Jaeger\u3001<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">Prometheus<\/a>\u7b49\uff09\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n<li>\n\n<p><strong>\u914d\u7f6e\u5bfc\u51fa\u5668<\/strong>\uff1a\u6839\u636e\u5b9e\u9645\u9700\u6c42\u914d\u7f6e\u5bfc\u51fa\u5668\uff0c\u5c06\u9065\u6d4b\u6570\u636e\u53d1\u9001\u5230\u540e\u7aef\u5b58\u50a8\u6216\u5206\u6790\u7cfb\u7edf\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n<li>\n\n<p><strong>\u542f\u7528\u81ea\u52a8\u4eea\u8868\u677f<\/strong>\uff1a\u4e3a\u6bcf\u4e2a\u5fae\u670d\u52a1\u542f\u7528\u81ea\u52a8\u4eea\u8868\u677f\uff0c\u81ea\u52a8\u6536\u96c6\u9065\u6d4b\u6570\u636e\u3002<\/p>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n<h4>4.3 \u6536\u96c6\u9065\u6d4b\u6570\u636e<\/h4>\n\n\n\n\n<ol>\n\n\n<li><strong>\u6307\u6807\u6536\u96c6<\/strong>\uff1a\u901a\u8fc7OpenTelemetry API\u624b\u52a8\u6216\u81ea\u52a8\u6536\u96c6\u5173\u952e\u6307\u6807\uff0c\u5982\u8bf7\u6c42\u54cd\u5e94\u65f6\u95f4\u3001\u9519\u8bef\u7387\u7b49\u3002<\/li>\n\n\n<\/ol>\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# \u914d\u7f6eMeterProvider<br \/>\nmeter_provider = MeterProvider(<br \/>\n    metric_readers=[<br \/>\n        PeriodicExportingMetricReader(ConsoleMetricsExporter())<br \/>\n    ]<br \/>\n)<br \/>\nset_meter_provider(meter_provider)<br \/>\n<br \/>\nmeter = get_meter_provider().get_meter(&quot;my_meter&quot;)<br \/>\ncounter = meter.create_counter(&quot;requests_counter&quot;, &quot;Number of requests&quot;, &quot;requests&quot;)<br \/>\n<br \/>\n@app.route(&quot;\/&quot;)<br \/>\ndef hello():<br \/>\n    counter.add(1)<br \/>\n    return &quot;Hello, World!&quot;<br \/>\n<\/code><\/pre>\n\n\n\n\n<ol start=\"2\">\n\n\n<li><strong>\u65e5\u5fd7\u6536\u96c6<\/strong>\uff1a\u901a\u8fc7OpenTelemetry API\u624b\u52a8\u6216\u81ea\u52a8\u6536\u96c6\u65e5\u5fd7\u6570\u636e\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n<pre><code class=\"language-python\">from opentelemetry import logging<br \/>\nfrom opentelemetry.sdk.logging import LogEmitterProvider, OTLPLogExporter<br \/>\nfrom opentelemetry.sdk.logging.export import BatchLogProcessor<br \/>\n<br \/>\n# \u914d\u7f6eLogEmitterProvider<br \/>\nlog_emitter_provider = LogEmitterProvider()<br \/>\nlogging.set_log_emitter_provider(log_emitter_provider)<br \/>\n<br \/>\n# \u914d\u7f6eOTLPLogExporter<br \/>\notlp_log_exporter = OTLPLogExporter()<br \/>\nlog_emitter_provider.add_log_processor(BatchLogProcessor(otlp_log_exporter))<br \/>\n<br \/>\nlogger = logging.get_logger(__name__)<br \/>\nlogger.info(&quot;This is an info log&quot;)<br \/>\n<\/code><\/pre>\n\n\n\n\n<ol start=\"3\">\n\n\n<li><strong>\u8ffd\u8e2a\u6536\u96c6<\/strong>\uff1a\u901a\u8fc7OpenTelemetry API\u624b\u52a8\u6216\u81ea\u52a8\u6536\u96c6\u8ffd\u8e2a\u6570\u636e\u3002<\/li>\n\n\n<\/ol>\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 BatchSpanProcessor, ConsoleSpanExporter<br \/>\n<br \/>\n# \u914d\u7f6eTracerProvider<br \/>\ntracer_provider = TracerProvider()<br \/>\ntrace.set_tracer_provider(tracer_provider)<br \/>\n<br \/>\n# \u914d\u7f6eConsoleSpanExporter<br \/>\nconsole_exporter = ConsoleSpanExporter()<br \/>\ntracer_provider.add_span_processor(BatchSpanProcessor(console_exporter))<br \/>\n<br \/>\ntracer = trace.get_tracer(__name__)<br \/>\n<br \/>\n@app.route(&quot;\/&quot;)<br \/>\ndef hello():<br \/>\n    with tracer.start_as_current_span(&quot;hello-span&quot;):<br \/>\n        return &quot;Hello, World!&quot;<br \/>\n<\/code><\/pre>\n\n\n\n\n<h4>4.4 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