{"id":206489,"date":"2025-06-12T14:39:39","date_gmt":"2025-06-12T06:39:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206489\/"},"modified":"2025-06-12T14:39:39","modified_gmt":"2025-06-12T06:39:39","slug":"kubernetes-%e4%b8%ad-loadbalancer-%e6%97%a0%e5%a4%96%e9%83%a8-ip-%e5%a6%82%e4%bd%95%e8%ae%bf%e9%97%ae%e5%90%8e%e7%ab%af%e6%9c%8d%e5%8a%a1%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206489\/","title":{"rendered":"Kubernetes \u4e2d LoadBalancer \u65e0\u5916\u90e8 IP \u5982\u4f55\u8bbf\u95ee\u540e\u7aef\u670d\u52a1\uff1f"},"content":{"rendered":"<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aKubernetes \u4e2d LoadBalancer \u65e0\u5916\u90e8 IP \u5982\u4f55\u8bbf\u95ee\u540e\u7aef\u670d\u52a1\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/173146703367341719ed1e5.jpg\" class=\"aligncenter\">,<br \/>\n<strong>k8s \u65e0\u5916\u90e8 ip \u7684 loadbalancer \u670d\u52a1\u8bbf\u95ee<\/strong>,\u5728\u672c\u4f8b\u4e2d\uff0c\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a loadbalancer \u7c7b\u578b\u7684\u670d\u52a1\uff0c\u4f46\u6ca1\u6709\u5916\u90e8 ip\u3002\u60a8\u5e0c\u671b\u901a\u8fc7\u8be5\u670d\u52a1\u8bbf\u95ee\u540e\u7aef\u7684\u4e09\u4e2a nginx \u5bb9\u5668\u3002,<br \/>\n<strong>\u65e0\u6cd5\u901a\u8fc7\u5bb9\u5668\u5185\u90e8\u8bbf\u95ee\u5916\u90e8\u4e92\u8054\u7f51<\/strong>,\u60a8\u63d0\u5230\u7684 nginx \u5bb9\u5668\u65e0\u6cd5\u89e3\u6790\u5916\u90e8\u57df\u540d\uff0c\u56e0\u4e3a\u5b83\u4eec\u914d\u7f6e\u4e3a\u4f7f\u7528\u8282\u70b9\u7684 dns \u914d\u7f6e\u3002\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u8bf7\u68c0\u67e5 coredns \u914d\u7f6e\uff0c\u786e\u4fdd\u4e0a\u6e38 dns \u670d\u52a1\u5668\u5df2\u6b63\u786e\u914d\u7f6e\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u89e3\u6790\u5916\u90e8\u57df\u540d\u3002,<br \/>\n<strong>\u8bbf\u95ee loadbalancer \u670d\u52a1\u7684\u65b9\u6cd5\uff1a<\/strong>,<br \/>\n<strong>\u89e3\u6790\u793a\u4f8b\uff1a<\/strong>,\u73b0\u5728\uff0c\u60a8\u5e94\u8be5\u53ef\u4ee5\u901a\u8fc7\u8282\u70b9 ip \u548c\u7aef\u53e3 30080 \u8bbf\u95ee nginx \u670d\u52a1\u3002\u4f8b\u5982\uff1a,\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301GOLANG\uff01\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u3002,k8s \u65e0\u5916\u90e8 ip \u7684 loadbalancer \u670d\u52a1\u8bbf\u95ee,\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aKubernetes \u4e2d LoadBalancer \u65e0\u5916\u90e8 IP \u5982\u4f55\u8bbf\u95ee\u540e\u7aef\u670d\u52a1\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Kubernetes \u4e2d LoadBalancer \u65e0\u5916\u90e8 IP \u5982\u4f55\u8bbf\u95ee\u540e\u7aef\u670d\u52a1\uff1f<\/span><\/p>\n<h1>Kubernetes \u4e2d LoadBalancer \u65e0\u5916\u90e8 IP \u5982\u4f55\u8bbf\u95ee\u540e\u7aef\u670d\u52a1\uff1f<\/h1>\n<p><span>2024-11-13 11:04:09<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aKubernetes \u4e2d LoadBalancer \u65e0\u5916\u90e8 IP \u5982\u4f55\u8bbf\u95ee\u540e\u7aef\u670d\u52a1\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/173146703367341719ed1e5.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>k8s \u65e0\u5916\u90e8 ip \u7684 loadbalancer \u670d\u52a1\u8bbf\u95ee<\/strong><\/p>\n<p>\u5728\u672c\u4f8b\u4e2d\uff0c\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a loadbalancer \u7c7b\u578b\u7684\u670d\u52a1\uff0c\u4f46\u6ca1\u6709\u5916\u90e8 ip\u3002\u60a8\u5e0c\u671b\u901a\u8fc7\u8be5\u670d\u52a1\u8bbf\u95ee\u540e\u7aef\u7684\u4e09\u4e2a nginx \u5bb9\u5668\u3002<\/p>\n<p><strong>\u65e0\u6cd5\u901a\u8fc7\u5bb9\u5668\u5185\u90e8\u8bbf\u95ee\u5916\u90e8\u4e92\u8054\u7f51<\/strong><\/p>\n<p>\u60a8\u63d0\u5230\u7684 nginx \u5bb9\u5668\u65e0\u6cd5\u89e3\u6790\u5916\u90e8\u57df\u540d\uff0c\u56e0\u4e3a\u5b83\u4eec\u914d\u7f6e\u4e3a\u4f7f\u7528\u8282\u70b9\u7684 dns \u914d\u7f6e\u3002\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u8bf7\u68c0\u67e5 coredns \u914d\u7f6e\uff0c\u786e\u4fdd\u4e0a\u6e38 dns \u670d\u52a1\u5668\u5df2\u6b63\u786e\u914d\u7f6e\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u89e3\u6790\u5916\u90e8\u57df\u540d\u3002<\/p>\n<p><strong>\u8bbf\u95ee loadbalancer \u670d\u52a1\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u521b\u5efa nodeport \u7c7b\u578b\u7684\u670d\u52a1\uff1a<\/strong>\u521b\u5efa\u4e00\u4e2a nodeport \u7c7b\u578b\u7684\u670d\u52a1\uff0c\u5b83\u5c06\u81ea\u52a8\u5c06\u4e00\u4e2a\u7aef\u53e3\u53f7\u66b4\u9732\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u3002\u8fd9\u5c06\u5141\u8bb8\u60a8\u901a\u8fc7\u8282\u70b9 ip \u548c\u7aef\u53e3\u8bbf\u95ee\u670d\u52a1\u3002<\/li>\n<li><strong>\u4fee\u6539 loadbalancer \u7c7b\u578b\u7684\u670d\u52a1\u4e3a nodeport\uff1a<\/strong>\u5c06\u73b0\u6709\u7684 loadbalancer \u7c7b\u578b\u7684\u670d\u52a1\u7f16\u8f91\u4e3a nodeport \u7c7b\u578b\u7684\u670d\u52a1\u3002<\/li>\n<li><strong>\u4f7f\u7528 metallb \u8d1f\u8f7d\u5747\u8861\u5668\uff1a<\/strong>metallb \u662f\u4e00\u4e2a\u7528\u4e8e\u5728 kubernetes \u96c6\u7fa4\u4e2d\u63d0\u4f9b\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\u7684\u5f00\u6e90\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u81ea\u52a8\u4e3a loadbalancer \u7c7b\u578b\u7684\u670d\u52a1\u5206\u914d\u5916\u90e8 ip \u5730\u5740\u3002<\/li>\n<\/ol>\n<p><strong>\u89e3\u6790\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>apiversion: v1\nkind: service\nmetadata:\n  name: my-nginx-svc\n  labels:\n    app: nginx\nspec:\n  type: nodeport\n  ports:\n  - port: 80\n    # \u8bbe\u7f6e nodeport \u7aef\u53e3\u53f7\n    nodeport: 30080\n  selector:\n    app: nginx<\/pre>\n<p>\u73b0\u5728\uff0c\u60a8\u5e94\u8be5\u53ef\u4ee5\u901a\u8fc7\u8282\u70b9 ip \u548c\u7aef\u53e3 30080 \u8bbf\u95ee nginx \u670d\u52a1\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>curl http:\/\/&lt;node-ip&gt;:30080<\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301GOLANG\uff01\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u4f7f\u7528 explain \u5982\u4f55\u5224\u65ad\u4e8c\u7ea7\u7d22\u5f15\u4f7f\u7528\u540e\u662f\u5426\u56de\u8868\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u7535\u8111\u6027\u80fd\u8bc4\u5206\u7cfb\u7edf-\u5982\u4f55\u8bc4\u4f30\u7535\u8111\u7684\u6027\u80fd\u8868\u73b0\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-206489","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206489","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=206489"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206489\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206489"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}