{"id":20175,"date":"2024-11-06T17:51:12","date_gmt":"2024-11-06T09:51:12","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=20175"},"modified":"2024-11-06T17:51:12","modified_gmt":"2024-11-06T09:51:12","slug":"%e4%ba%86%e8%a7%a3opentelemetry%ef%bc%9a%e5%8a%a9%e5%8a%9b%e5%bc%80%e5%8f%91%e8%80%85%e6%b4%9e%e5%af%9f%e7%b3%bb%e7%bb%9f%e8%bf%90%e8%a1%8c%e7%8a%b6%e5%86%b5","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/20175.html","title":{"rendered":"\u4e86\u89e3OpenTelemetry\uff1a\u52a9\u529b\u5f00\u53d1\u8005\u6d1e\u5bdf\u7cfb\u7edf\u8fd0\u884c\u72b6\u51b5"},"content":{"rendered":"<p>\t\t\t\t<![CDATA[\n\n<p>\u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u7cfb\u7edf\u7684\u590d\u6742\u6027\u548c\u89c4\u6a21\u4e0d\u65ad\u589e\u52a0\uff0c\u5f00\u53d1\u8005\u9762\u4e34\u7740\u524d\u6240\u672a\u6709\u7684\u6311\u6218\u3002\u5982\u4f55\u6709\u6548\u5730\u76d1\u63a7\u548c\u7ba1\u7406\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u51b5\uff0c\u6210\u4e3a\u4e86\u63d0\u5347\u5e94\u7528\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u7684\u5173\u952e\u3002<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">OpenTelemetry<\/a>\u4f5c\u4e3a\u4e00\u79cd\u5f00\u6e90\u7684 observability \u6846\u67b6\uff0c\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4e00\u5957\u5168\u9762\u7684\u5de5\u5177\u548c\u6807\u51c6\uff0c\u52a9\u529b\u5f00\u53d1\u8005\u6df1\u5165\u6d1e\u5bdf\u7cfb\u7edf\u8fd0\u884c\u72b6\u51b5\u3002<\/p>\n\n\n\n\n<h3><a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">OpenTelemetry<\/a>\u6982\u8ff0<\/h3>\n\n\n\n\n<p>OpenTelemetry\u662f\u7531CNCF\uff08Cloud Native Computing Foundation\uff09\u6258\u7ba1\u7684\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee\uff0c\u65e8\u5728\u63d0\u4f9b\u4e00\u5957\u7edf\u4e00\u7684\u3001\u53ef\u6269\u5c55\u7684 observability \u89e3\u51b3\u65b9\u6848\u3002\u5b83\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u548c\u5e73\u53f0\uff0c\u80fd\u591f\u6536\u96c6\u3001\u5904\u7406\u548c\u5bfc\u51fa\u7cfb\u7edf\u7684 telemetry \u6570\u636e\uff0c\u5305\u62ec\u8ffd\u8e2a\uff08Tracing\uff09\u3001\u6307\u6807\uff08Metrics\uff09\u548c\u65e5\u5fd7\uff08Logging\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\/A1Wc9j.jpg\" width=1000><\/p>\n\n\n\n\n\n\n\n\n\n<h4>\u6838\u5fc3\u7ec4\u4ef6<\/h4>\n\n\n\n\n<ol>\n\n\n<li><strong>APIs<\/strong>: \u63d0\u4f9b\u7528\u4e8e\u751f\u6210\u548c\u6536\u96c6 telemetry \u6570\u636e\u7684\u63a5\u53e3\u3002<\/li>\n\n\n\n\n<li><strong>SDKs<\/strong>: \u5b9e\u73b0APIs\u7684\u5177\u4f53\u4ee3\u7801\uff0c\u8d1f\u8d23\u6570\u636e\u7684\u5904\u7406\u548c\u5bfc\u51fa\u3002<\/li>\n\n\n\n\n<li><strong>\u5bfc\u51fa\u5668\uff08Exporters\uff09<\/strong>: \u5c06\u6536\u96c6\u5230\u7684\u6570\u636e\u53d1\u9001\u5230\u540e\u7aef\u5b58\u50a8\u6216\u5206\u6790\u7cfb\u7edf\uff0c\u5982Jaeger\u3001<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">Prometheus<\/a>\u7b49\u3002<\/li>\n\n\n\n\n<li><strong>\u4eea\u8868\u76d8\uff08Instrumentation\uff09<\/strong>: \u81ea\u52a8\u6216\u624b\u52a8\u4e3a\u5e94\u7528\u7a0b\u5e8f\u6dfb\u52a0 telemetry \u6570\u636e\u6536\u96c6\u529f\u80fd\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n<h3>\u8ffd\u8e2a\uff08Tracing\uff09<\/h3>\n\n\n\n\n<p>\u8ffd\u8e2a\u662f observability \u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u7528\u4e8e\u8bb0\u5f55\u8bf7\u6c42\u5728\u7cfb\u7edf\u4e2d\u7684\u6d41\u8f6c\u8fc7\u7a0b\u3002\u901a\u8fc7\u8ffd\u8e2a\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4e86\u89e3\u8bf7\u6c42\u7684\u8def\u5f84\u3001\u8017\u65f6\u4ee5\u53ca\u53ef\u80fd\u7684\u95ee\u9898\u70b9\u3002<\/p>\n\n\n\n\n<h4>\u8ffd\u8e2a\u7684\u57fa\u672c\u6982\u5ff5<\/h4>\n\n\n\n\n<ul>\n\n\n<li><strong>Trace<\/strong>: \u8868\u793a\u4e00\u4e2a\u5b8c\u6574\u7684\u8bf7\u6c42\u6d41\u7a0b\uff0c\u7531\u591a\u4e2a Span \u7ec4\u6210\u3002<\/li>\n\n\n\n\n<li><strong>Span<\/strong>: \u8868\u793a\u8bf7\u6c42\u4e2d\u7684\u4e00\u4e2a\u64cd\u4f5c\u6216\u9636\u6bb5\uff0c\u5305\u542b\u5f00\u59cb\u65f6\u95f4\u3001\u7ed3\u675f\u65f6\u95f4\u3001\u64cd\u4f5c\u540d\u79f0\u7b49\u4fe1\u606f\u3002<\/li>\n\n\n\n\n<li><strong>SpanContext<\/strong>: \u7528\u4e8e\u5728\u4e0d\u540c Span \u4e4b\u95f4\u4f20\u9012\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n<h4>OpenTelemetry\u4e2d\u7684\u8ffd\u8e2a\u5b9e\u73b0<\/h4>\n\n\n\n\n<ol>\n\n\n<li>\n\n<p><strong>\u521d\u59cb\u5316 SDK<\/strong>:<\/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 BatchSpanProcessor<br \/>\nfrom opentelemetry.exporter.jaeger.proto.grpc import JaegerExporter<br \/>\n<br \/>\ntrace.set_tracer_provider(TracerProvider())<br \/>\ntracer = trace.get_tracer(__name__)<br \/>\n<br \/>\njaeger_exporter = JaegerExporter(<br \/>\n    collector_endpoint='localhost:14250',<br \/>\n    insecure=True,<br \/>\n)<br \/>\nspan_processor = BatchSpanProcessor(jaeger_exporter)<br \/>\ntrace.get_tracer_provider().add_span_processor(span_processor)<br \/>\n<\/code><\/pre>\n\n\n<\/li>\n\n\n\n\n<li>\n\n<p><strong>\u521b\u5efa\u548c\u7ed3\u675f Span<\/strong>:<\/p>\n\n\n\n\n<pre><code class=\"language-python\">with tracer.start_as_current_span(&quot;my-span&quot;):<br \/>\n    # \u6267\u884c\u76f8\u5173\u64cd\u4f5c<br \/>\n    pass<br \/>\n<\/code><\/pre>\n\n\n<\/li>\n\n\n\n\n<li>\n\n<p><strong>\u6dfb\u52a0\u5c5e\u6027\u548c\u4e8b\u4ef6<\/strong>:<\/p>\n\n\n\n\n<pre><code class=\"language-python\">with tracer.start_as_current_span(&quot;my-span&quot;) as span:<br \/>\n    span.set_attribute(&quot;my-attribute&quot;, &quot;value&quot;)<br \/>\n    span.add_event(&quot;my-event&quot;, {&quot;event-attribute&quot;: &quot;value&quot;})<br \/>\n<\/code><\/pre>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n<h3>\u6307\u6807\uff08Metrics\uff09<\/h3>\n\n\n\n\n<p>\u6307\u6807\u7528\u4e8e\u91cf\u5316\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u72b6\u6001\uff0c\u5305\u62ec\u8ba1\u6570\u5668\uff08Counter\uff09\u3001\u76f4\u65b9\u56fe\uff08Histogram\uff09\u548c\u8ba1\u91cf\u5668\uff08Gauge\uff09\u7b49\u3002<\/p>\n\n\n\n\n<h4>\u6307\u6807\u7684\u57fa\u672c\u6982\u5ff5<\/h4>\n\n\n\n\n<ul>\n\n\n<li><strong>Counter<\/strong>: \u5355\u8c03\u9012\u589e\u7684\u8ba1\u6570\u5668\uff0c\u7528\u4e8e\u8bb0\u5f55\u4e8b\u4ef6\u53d1\u751f\u7684\u6b21\u6570\u3002<\/li>\n\n\n\n\n<li><strong>Histogram<\/strong>: \u7528\u4e8e\u8bb0\u5f55\u6570\u503c\u7684\u5206\u5e03\u60c5\u51b5\u3002<\/li>\n\n\n\n\n<li><strong>Gauge<\/strong>: \u7528\u4e8e\u8bb0\u5f55\u67d0\u4e00\u65f6\u523b\u7684\u6570\u503c\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n<h4>OpenTelemetry\u4e2d\u7684\u6307\u6807\u5b9e\u73b0<\/h4>\n\n\n\n\n<ol>\n\n\n<li>\n\n<p><strong>\u521d\u59cb\u5316 SDK<\/strong>:<\/p>\n\n\n\n\n<pre><code class=\"language-python\">from opentelemetry import metrics<br \/>\nfrom opentelemetry.sdk.metrics import MeterProvider<br \/>\nfrom opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader<br \/>\nfrom opentelemetry.exporter.<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">Prometheus<\/a> import PrometheusMetricReader<br \/>\n<br \/>\nmetrics.set_meter_provider(MeterProvider())<br \/>\nmeter = metrics.get_meter(__name__)<br \/>\n<br \/>\nprometheus_reader = PrometheusMetricReader()<br \/>\nmetric_reader = PeriodicExportingMetricReader(prometheus_reader)<br \/>\nmetrics.get_meter_provider().add_metric_reader(metric_reader)<br \/>\n<\/code><\/pre>\n\n\n<\/li>\n\n\n\n\n<li>\n\n<p><strong>\u521b\u5efa\u548c\u66f4\u65b0\u6307\u6807<\/strong>:<\/p>\n\n\n\n\n<pre><code class=\"language-python\">counter = meter.create_counter(&quot;my-counter&quot;)<br \/>\nhistogram = meter.create_histogram(&quot;my-histogram&quot;)<br \/>\ngauge = meter.create_observable_gauge(&quot;my-gauge&quot;, lambda: 42)<br \/>\n<br \/>\ncounter.add(1, {&quot;attribute&quot;: &quot;value&quot;})<br \/>\nhistogram.record(10, {&quot;attribute&quot;: &quot;value&quot;})<br \/>\n<\/code><\/pre>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n<h3>\u65e5\u5fd7\uff08Logging\uff09<\/h3>\n\n\n\n\n<p>\u65e5\u5fd7\u8bb0\u5f55\u4e86\u7cfb\u7edf\u7684\u8fd0\u884c\u4fe1\u606f\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u8bca\u65ad\u548c\u5b9a\u4f4d\u95ee\u9898\u3002<\/p>\n\n\n\n\n<h4>OpenTelemetry\u4e2d\u7684\u65e5\u5fd7\u5b9e\u73b0<\/h4>\n\n\n\n\n<p>OpenTelemetry\u63d0\u4f9b\u4e86\u4e0e\u6807\u51c6\u65e5\u5fd7\u5e93\uff08\u5982Python\u7684<code>logging<\/code>\uff09\u96c6\u6210\u7684\u80fd\u529b\uff0c\u4f7f\u5f97\u65e5\u5fd7\u6570\u636e\u53ef\u4ee5\u4e0e\u8ffd\u8e2a\u548c\u6307\u6807\u6570\u636e\u5173\u8054\u3002<\/p>\n\n\n\n\n<ol>\n\n\n<li>\n\n<p><strong>\u521d\u59cb\u5316\u65e5\u5fd7<\/strong>:<\/p>\n\n\n\n\n<pre><code class=\"language-python\">import logging<br \/>\nfrom opentelemetry import logs<br \/>\nfrom opentelemetry.sdk.logs import LoggerProvider<br \/>\nfrom opentelemetry.sdk.logs.export import BatchLogProcessor<br \/>\nfrom opentelemetry.exporter.otlp.proto.grpc.log_exporter import OTLPLogExporter<br \/>\n<br \/>\nlogs.set_logger_provider(LoggerProvider())<br \/>\nlogger_provider = logs.get_logger_provider()<br \/>\n<br \/>\notlp_exporter = OTLPLogExporter()<br \/>\nlog_processor = BatchLogProcessor(otlp_exporter)<br \/>\nlogger_provider.add_log_processor(log_processor)<br \/>\n<br \/>\nlogger = logging.getLogger(__name__)<br \/>\n<\/code><\/pre>\n\n\n<\/li>\n\n\n\n\n<li>\n\n<p><strong>\u8bb0\u5f55\u65e5\u5fd7<\/strong>:<\/p>\n\n\n\n\n<pre><code class=\"language-python\">logger.info(&quot;This is an info message&quot;, extra={&quot;otel&quot;: {&quot;trace_id&quot;: &quot;1234567890abcdef&quot;}})<br \/>\n<\/code><\/pre>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n<h3>OpenTelemetry\u7684\u4f18\u52bf<\/h3>\n\n\n\n\n<ol>\n\n\n<li><strong>\u7edf\u4e00\u6807\u51c6<\/strong>: OpenTelemetry\u63d0\u4f9b\u4e86\u4e00\u5957\u7edf\u4e00\u7684API\u548cSDK\uff0c\u7b80\u5316\u4e86 telemetry \u6570\u636e\u7684\u6536\u96c6\u548c\u7ba1\u7406\u3002<\/li>\n\n\n\n\n<li><strong>\u591a\u8bed\u8a00\u652f\u6301<\/strong>: \u652f\u6301 Python\u3001Java\u3001Go\u3001C# \u7b49\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u6280\u672f\u6808\u3002<\/li>\n\n\n\n\n<li><strong>\u53ef\u6269\u5c55\u6027<\/strong>: \u53ef\u4ee5\u901a\u8fc7\u81ea\u5b9a\u4e49\u5bfc\u51fa\u5668\u548c\u4eea\u8868\u76d8\uff0c\u8f7b\u677e\u96c6\u6210\u5230\u73b0\u6709\u7684 observability \u5de5\u5177\u94fe\u4e2d\u3002<\/li>\n\n\n\n\n<li><strong>\u793e\u533a\u652f\u6301<\/strong>: \u4f5c\u4e3aCNCF\u9879\u76ee\uff0c\u62e5\u6709\u5e9e\u5927\u7684\u793e\u533a\u548c\u4e30\u5bcc\u7684\u8d44\u6e90\uff0c\u6301\u7eed\u66f4\u65b0\u548c\u7ef4\u62a4\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n<h3>\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h3>\n\n\n\n\n<h4>\u5fae\u670d\u52a1\u67b6\u6784<\/h4>\n\n\n\n\n<p>\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u670d\u52a1\u4e4b\u95f4\u7684\u8c03\u7528\u5173\u7cfb\u590d\u6742\uff0c\u8ffd\u8e2a\u548c\u6307\u6807\u6570\u636e\u5bf9\u4e8e\u7406\u89e3\u7cfb\u7edf\u7684\u6574\u4f53\u8fd0\u884c\u72b6\u51b5\u81f3\u5173\u91cd\u8981\u3002OpenTelemetry\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\uff1a<\/p>\n\n\n\n\n<ul>\n\n\n<li><strong>\u8ffd\u8e2a\u8bf7\u6c42\u8def\u5f84<\/strong>: \u4e86\u89e3\u8bf7\u6c42\u5728\u5404\u4e2a\u670d\u52a1\u4e4b\u95f4\u7684\u6d41\u8f6c\u8fc7\u7a0b\u3002<\/li>\n\n\n\n\n<li><strong>\u68c0\u6d4b\u6027\u80fd\u74f6\u9888<\/strong>: \u901a\u8fc7\u6307\u6807\u6570\u636e\u53d1\u73b0\u670d\u52a1\u54cd\u5e94\u6162\u7684\u539f\u56e0\u3002<\/li>\n\n\n\n\n<li><strong>\u8bca\u65ad\u95ee\u9898<\/strong>: \u901a\u8fc7\u65e5\u5fd7\u548c\u8ffd\u8e2a\u6570\u636e\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n<h4>\u5bb9\u5668\u5316\u548c\u4e91\u539f\u751f<\/h4>\n\n\n\n\n<p>\u5728\u5bb9\u5668\u5316\u548c\u4e91\u539f\u751f\u73af\u5883\u4e2d\uff0c\u7cfb\u7edf\u7684\u52a8\u6001\u6027\u548c\u590d\u6742\u6027\u8fdb\u4e00\u6b65\u589e\u52a0\u3002OpenTelemetry\u53ef\u4ee5\uff1a<\/p>\n\n\n\n\n<ul>\n\n\n<li><strong>\u76d1\u63a7\u5bb9\u5668\u6027\u80fd<\/strong>: \u6536\u96c6\u5bb9\u5668\u7684CPU\u3001\u5185\u5b58\u7b49\u6307\u6807\u6570\u636e\u3002<\/li>\n\n\n\n\n<li><strong>\u8ffd\u8e2a\u670d\u52a1\u8c03\u7528<\/strong>: \u5728\u5bb9\u5668\u4e4b\u95f4\u8ffd\u8e2a\u8bf7\u6c42\u7684\u6d41\u8f6c\u3002<\/li>\n\n\n\n\n<li><strong>\u96c6\u6210\u4e91\u670d\u52a1<\/strong>: \u4e0eAWS\u3001GCP\u7b49\u4e91\u670d\u52a1\u7684 observability \u5de5\u5177\u96c6\u6210\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n<h3>\u6700\u4f73\u5b9e\u8df5<\/h3>\n\n\n\n\n<ol>\n\n\n<li><strong>\u5168\u9762\u76d1\u63a7<\/strong>: \u5c3d\u53ef\u80fd\u5730\u4e3a\u7cfb\u7edf\u7684\u5404\u4e2a\u7ec4\u4ef6\u6dfb\u52a0 telemetry \u6570\u636e\u6536\u96c6\u529f\u80fd\u3002<\/li>\n\n\n\n\n<li><strong>\u5408\u7406\u9009\u62e9\u6307\u6807<\/strong>: \u9009\u62e9\u80fd\u591f\u53cd\u6620\u7cfb\u7edf\u5173\u952e\u6027\u80fd\u7684\u6307\u6807\uff0c\u907f\u514d\u8fc7\u5ea6\u76d1\u63a7\u3002<\/li>\n\n\n\n\n<li><strong>\u5173\u8054\u6570\u636e<\/strong>: \u5c06\u8ffd\u8e2a\u3001\u6307\u6807\u548c\u65e5\u5fd7\u6570\u636e\u5173\u8054\u8d77\u6765\uff0c\u5f62\u6210\u5b8c\u6574\u7684 observability \u753b\u9762\u3002<\/li>\n\n\n\n\n<li><strong>\u6301\u7eed\u4f18\u5316<\/strong>: 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