{"id":2600,"date":"2024-04-03T18:19:58","date_gmt":"2024-04-03T10:19:58","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=2600"},"modified":"2024-04-03T18:19:58","modified_gmt":"2024-04-03T10:19:58","slug":"%e4%bd%bf%e7%94%a8-deepflow-%e5%bc%80%e5%90%af-dns-%e5%8f%af%e8%a7%82%e6%b5%8b%e6%80%a7%e6%a1%88%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/2600.html","title":{"rendered":"\u4f7f\u7528 DeepFlow \u5f00\u542f DNS \u53ef\u89c2\u6d4b\u6027\u6848\u4f8b"},"content":{"rendered":"\n\t\t\t\t<![CDATA[\n<p>\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u7ed3\u5408\u5b9e\u9645\u6848\u4f8b\uff0c\u6765\u4f53\u9a8c\u4e00\u4e0b DNS Dashboard \u7ed9\u6211\u4eec\u5e26\u6765\u7684\u9ad8\u6548\u5206\u6790\u80fd\u529b\u3002<br \/> \u6848\u4f8b1 &#8211; \u65e0\u6548\u5185\u90e8\u57df\u540d\u89e3\u6790<br \/> \u73b0\u8c61\uff1a<br \/> \u6211\u4eec\u7684\u96c6\u7fa4\u91cc\u7684\u5e94\u7528\u89c4\u6a21\u4e0d\u5927\uff0c\u7406\u8bba\u4e0a DNS 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3\u3001\u8bbf\u95ee\u975e Service Name \u65f6\uff0c\u5f62\u5982 $name.$namespace.svc \u7684\u57df\u540d\u8981\u88ab\u4f18\u5148\u89e3\u6790\u4e3a\u5185\u90e8\u57df\u540d\uff0c\u6240\u4ee5 ndots>=3\uff0c\u5e76\u5728\u641c\u7d22\u57df $zone \u4e0b\u641c\u7d22\u3002<br \/> 4\u3001\u5bf9\u4e8e StatefulSet \u7c7b\u578b\u7684\u5e94\u7528\uff0c\u7531\u4e8e\u9700\u8981\u652f\u6301\u5f62\u5982 $name-0.service.$namespace.svc \u7684\u57df\u540d\u5185\u90e8\u89e3\u6790\uff0c\u6240\u4ee5 ndots>=4\u3002<br \/> 5\u3001\u5bf9\u4e8e\u5f62\u5982 <em>$port.<\/em>$proto.$service.$namespace.svc \u7684 SRV Record \u8981\u88ab\u4f18\u5148\u89e3\u6790\u4e3a\u5185\u90e8\u57df\u540d\uff0c\u6240\u4ee5 ndots>=5\u3002<br \/> \u7efc\u4e0a\uff0ck8s \u7684 resolv.conf \u4e2d ndots \u9ed8\u8ba4\u503c\u662f 5 \u3002\u4f46\u8fd9\u7b26\u5408\u6211\u4eec\u7684\u4f7f\u7528\u573a\u666f\u5417\uff1f\u6211\u4eec\u8981\u8bbf\u95ee\u7684\u57df\u540d\u662f\u4e00\u4e2a.\u5c0f\u4e8e 5 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2\u3001\u628a\u8bbf\u95ee\u7684\u5916\u90e8\u57df\u540d\u4fee\u6539\u4e3a FQDN\uff0c\u6bd4\u5982\u6211\u4eec\u8981\u8bbf\u95ee\u7684\u662f vpc.tencentcloudapi.com\uff0c\u4fee\u6539\u4e3a vpc.tencentcloudapi.com.\uff0c\u8fd9\u6837\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u57df\u540d\uff0c\u4e0d\u4f1a\u4f9d\u6b21\u68c0\u7d22\u641c\u7d22\u57df\u3002<br \/> 3\u3001CoreDNS \u4f7f\u7528 autopath \u63d2\u4ef6[7]\uff0c\u51cf\u5c11\u641c\u7d22\u6b21\u6570\uff0c\u4f46\u8fd9\u4f9d\u8d56\u4e8e API Watch \u673a\u5236\uff0c\u4f1a\u4f7f\u5f97 CoreDNS \u589e\u52a0\u5185\u5b58\u6d88\u8017\u3002<br \/> 4\u3001\u4f7f\u7528 Node LocalDNS[8]\uff0c\u589e\u52a0 DNS \u89e3\u6790\u6027\u80fd\uff0c\u51cf\u5c11 CoreDNS \u538b\u529b\uff0c\u4f46\u540c\u6837\u7684\uff0c\u5b83\u9700\u8981\u4f7f\u7528\u5185\u5b58\u6765\u505a DNS \u7f13\u5b58\u67e5\u8be2\uff0c\u589e\u52a0\u4e86\u5185\u5b58\u6d88\u8017\u3002<br \/> 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\u538b\u529b\uff0c\u8fd9\u8bf4\u660e\u5e94\u7528\u7684\u914d\u7f6e\u6709\u9519\u8bef\uff0c\u5c1d\u8bd5\u8bbf\u95ee\u65e0\u6548\u7684\u670d\u52a1\uff0c\u5bfc\u81f4\u5197\u4f59\u7684\u5f00\u9500\u3002<br \/> \u4fee\u590d\u5efa\u8bae\uff1a<br \/> \u68c0\u67e5\u4ee3\u7801\u6216\u914d\u7f6e\u4e2d\u662f\u5426\u8fd8\u5728\u8bbf\u95ee\u5931\u6548\u7684\u670d\u52a1\uff0c\u53bb\u6389\u914d\u7f6e\u540e\u6062\u590d\u6b63\u5e38\u3002<br \/> \u540e\u7eed\u89c4\u5212<br \/> \u6211\u4eec\u76ee\u524d\u5728\u5236\u4f5c\u4e00\u6279 Dashboard\uff0c\u5305\u62ec\uff1aNginx\u3001MySQL\/PostgreSQL\u3001HTTP\u3001Dubbo\/gRPC\u3001Kafka\/MQTT\u3001TCP\/UDP\/IP \u7b49\uff0c\u5e0c\u671b\u80fd\u5e26\u6765\u793e\u533a\u9ad8\u5ea6\u81ea\u52a8\u5316\u3001\u9ad8\u7cbe\u5ea6\u7684\u53ef\u89c2\u6d4b\u6027\u4f53\u9a8c\uff0c\u671f\u5f85\u6709\u793e\u533a\u7684\u5c0f\u4f19\u4f34\u80fd\u52a0\u5165\u4e00\u8d77\u3002<br \/> \u4ec0\u4e48\u662f DeepFlow<br \/> DeepFlow[9] 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