{"id":206670,"date":"2025-06-12T13:12:55","date_gmt":"2025-06-12T05:12:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206670\/"},"modified":"2025-06-12T13:12:55","modified_gmt":"2025-06-12T05:12:55","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8%e6%b2%a1%e6%9c%89%e5%a4%96%e9%83%a8-ip-%e7%9a%84%e6%83%85%e5%86%b5%e4%b8%8b%e8%ae%bf%e9%97%ae-k8s-%e4%b8%ad%e7%9a%84-loadbalancer-%e7%b1%bb%e5%9e%8b%e7%9a%84-service","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206670\/","title":{"rendered":"\u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 IP \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee K8s \u4e2d\u7684 LoadBalancer \u7c7b\u578b\u7684 Service\uff1f"},"content":{"rendered":"

\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587
\n\u300a\u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 IP \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee K8s \u4e2d\u7684 LoadBalancer \u7c7b\u578b\u7684 Service\uff1f\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230
\n<\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60
\nGOLANG<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a
\nGOLANG<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~,
\n,
\n\u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 ip \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee k8s \u4e2d\u7684 loadbalancer \u7c7b\u578b\u7684 service\uff1f<\/strong>,\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u5728 kubernetes (k8s) \u96c6\u7fa4\u4e2d\uff0c\u5f53 loadbalancer \u7c7b\u578b\u7684 service \u6ca1\u6709\u5916\u90e8 ip \u65f6\u5982\u4f55\u8bbf\u95ee\u5176\u540e\u7aef pod\u3002,
\n\u95ee\u9898\u5c1d\u8bd5\u548c\u65b9\u6848<\/strong>,\u5728 k8s \u96c6\u7fa4\u4e2d\u90e8\u7f72\u4e86\u4ee5\u4e0b service \u548c deployment\uff1a,\u7531\u4e8e service \u6ca1\u6709\u5916\u90e8 ip\uff0c\u56e0\u6b64\u65e0\u6cd5\u901a\u8fc7\u5916\u90e8\u7f51\u7edc\u8bbf\u95ee\u3002\u5c1d\u8bd5\u4f7f\u7528\u5185\u90e8 ip \u8bbf\u95ee\u5931\u8d25\uff0c\u56e0\u4e3a pod \u4e2d\u65e0\u6cd5\u4f7f\u7528 curl \u7b49\u547d\u4ee4\u8bbf\u95ee\u5916\u90e8\u4e92\u8054\u7f51\u3002,
\n\u89e3\u51b3\u65b9\u6848<\/strong>,
\n1. \u4fee\u6539 service \u7c7b\u578b<\/strong>,\u5c06 loadbalancer \u7c7b\u578b\u7684 service \u66f4\u6539\u4e3a nodeport \u7c7b\u578b\u3002nodeport \u7c7b\u578b\u4f1a\u4e3a service \u5206\u914d\u4e00\u4e2a\u5185\u90e8\u548c\u5916\u90e8\u7aef\u53e3\uff0c\u53ef\u4ee5\u901a\u8fc7\u8282\u70b9\u7684 ip \u548c\u7aef\u53e3\u8bbf\u95ee\u3002,\u4fee\u6539 service \u6e05\u5355\u5982\u4e0b\uff1a,
\n2. \u90e8\u7f72 metallb \u8d1f\u8f7d\u5747\u8861\u5668<\/strong>,metallb \u662f\u4e00\u4e2a\u4e3a kubernetes \u96c6\u7fa4\u63d0\u4f9b loadbalancer ip \u7684\u5f00\u6e90\u9879\u76ee\u3002\u5b83\u4e0e kubernetes \u7684 service api \u96c6\u6210\uff0c\u81ea\u52a8\u4e3a loadbalancer \u7c7b\u578b\u7684 service \u5206\u914d ip \u5730\u5740\u3002,\u5b89\u88c5\u5e76\u914d\u7f6e metallb \u540e\uff0cservice \u5c06\u81ea\u52a8\u5206\u914d loadbalancer ip\uff0c\u5e76\u53ef\u4ee5\u901a\u8fc7\u6b64 ip \u8bbf\u95ee\u3002,
\n3. \u786e\u4fdd pod \u80fd\u591f\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc<\/strong>,\u5982\u679c pod \u65e0\u6cd5\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc\uff0c\u5219\u9700\u8981\u68c0\u67e5 coredns \u914d\u7f6e\u3002coredns \u662f\u8d1f\u8d23\u5728 kubernetes \u96c6\u7fa4\u4e2d\u8fdb\u884c dns \u89e3\u6790\u7684\u7ec4\u4ef6\u3002,\u68c0\u67e5 coredns \u914d\u7f6e\u4e2d\u7684\u4e0a\u6e38 dns \u89e3\u6790\u670d\u52a1\u5668\u914d\u7f6e\uff0c\u786e\u4fdd\u5b83\u53ef\u4ee5\u89e3\u6790\u5916\u90e8\u57df\u540d\u7684 dns \u8bb0\u5f55\u3002,\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 IP \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee K8s \u4e2d\u7684 LoadBalancer \u7c7b\u578b\u7684 Service\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,\u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 ip \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee k8s \u4e2d\u7684 loadbalancer \u7c7b\u578b\u7684 service\uff1f,\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587
\n\u300a\u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 IP \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee K8s \u4e2d\u7684 LoadBalancer \u7c7b\u578b\u7684 Service\uff1f\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230
\n<\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60
\nGOLANG<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a
\nGOLANG<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 IP \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee K8s \u4e2d\u7684 LoadBalancer \u7c7b\u578b\u7684 Service\uff1f<\/span><\/p>\n

\u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 IP \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee K8s \u4e2d\u7684 LoadBalancer \u7c7b\u578b\u7684 Service\uff1f<\/h1>\n

2024-11-18 22:13:07<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u300a\u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 IP \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee K8s \u4e2d\u7684 LoadBalancer \u7c7b\u578b\u7684 Service\uff1f\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60GOLANG<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591aGOLANG<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n

<\/p>\n

\u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 ip \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee k8s \u4e2d\u7684 loadbalancer \u7c7b\u578b\u7684 service\uff1f<\/strong><\/p>\n

\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u5728 kubernetes (k8s) \u96c6\u7fa4\u4e2d\uff0c\u5f53 loadbalancer \u7c7b\u578b\u7684 service \u6ca1\u6709\u5916\u90e8 ip \u65f6\u5982\u4f55\u8bbf\u95ee\u5176\u540e\u7aef pod\u3002<\/p>\n

\u95ee\u9898\u5c1d\u8bd5\u548c\u65b9\u6848<\/strong><\/p>\n

\u5728 k8s \u96c6\u7fa4\u4e2d\u90e8\u7f72\u4e86\u4ee5\u4e0b service \u548c deployment\uff1a<\/p>\n

# service\napiversion: v1\nkind: service\nmetadata:\n  name: my-nginx-svc\n  labels:\n    app: nginx\nspec:\n  type: loadbalancer\n  ports:\n  - port: 80\n  selector:\n    app: nginx\n\n# deployment\napiversion: apps\/v1\nkind: deployment\nmetadata:\n  name: my-nginx\n  labels:\n    app: nginx\nspec:\n  replicas: 3\n  selector:\n    matchlabels:\n      app: nginx\n  template:\n    metadata:\n      labels:\n        app: nginx\n    spec:\n      containers:\n      - name: nginx\n        image: nginx:1.14.2\n        ports:\n        - containerport: 80<\/pre>\n
\u7531\u4e8e service \u6ca1\u6709\u5916\u90e8 ip\uff0c\u56e0\u6b64\u65e0\u6cd5\u901a\u8fc7\u5916\u90e8\u7f51\u7edc\u8bbf\u95ee\u3002\u5c1d\u8bd5\u4f7f\u7528\u5185\u90e8 ip \u8bbf\u95ee\u5931\u8d25\uff0c\u56e0\u4e3a pod \u4e2d\u65e0\u6cd5\u4f7f\u7528 curl \u7b49\u547d\u4ee4\u8bbf\u95ee\u5916\u90e8\u4e92\u8054\u7f51\u3002<\/p>\n
\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n
1. \u4fee\u6539 service \u7c7b\u578b<\/strong><\/p>\n
\u5c06 loadbalancer \u7c7b\u578b\u7684 service \u66f4\u6539\u4e3a nodeport \u7c7b\u578b\u3002nodeport \u7c7b\u578b\u4f1a\u4e3a service \u5206\u914d\u4e00\u4e2a\u5185\u90e8\u548c\u5916\u90e8\u7aef\u53e3\uff0c\u53ef\u4ee5\u901a\u8fc7\u8282\u70b9\u7684 ip \u548c\u7aef\u53e3\u8bbf\u95ee\u3002<\/p>\n
\u4fee\u6539 service \u6e05\u5355\u5982\u4e0b\uff1a<\/p>\n
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  selector:\n    app: nginx<\/pre>\n
2. \u90e8\u7f72 metallb \u8d1f\u8f7d\u5747\u8861\u5668<\/strong><\/p>\n
metallb \u662f\u4e00\u4e2a\u4e3a kubernetes \u96c6\u7fa4\u63d0\u4f9b loadbalancer ip \u7684\u5f00\u6e90\u9879\u76ee\u3002\u5b83\u4e0e kubernetes \u7684 service api \u96c6\u6210\uff0c\u81ea\u52a8\u4e3a loadbalancer \u7c7b\u578b\u7684 service \u5206\u914d ip \u5730\u5740\u3002<\/p>\n
\u5b89\u88c5\u5e76\u914d\u7f6e metallb \u540e\uff0cservice \u5c06\u81ea\u52a8\u5206\u914d loadbalancer ip\uff0c\u5e76\u53ef\u4ee5\u901a\u8fc7\u6b64 ip \u8bbf\u95ee\u3002<\/p>\n
3. \u786e\u4fdd pod \u80fd\u591f\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc<\/strong><\/p>\n
\u5982\u679c pod \u65e0\u6cd5\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc\uff0c\u5219\u9700\u8981\u68c0\u67e5 coredns \u914d\u7f6e\u3002coredns \u662f\u8d1f\u8d23\u5728 kubernetes \u96c6\u7fa4\u4e2d\u8fdb\u884c dns \u89e3\u6790\u7684\u7ec4\u4ef6\u3002<\/p>\n
\u68c0\u67e5 coredns \u914d\u7f6e\u4e2d\u7684\u4e0a\u6e38 dns \u89e3\u6790\u670d\u52a1\u5668\u914d\u7f6e\uff0c\u786e\u4fdd\u5b83\u53ef\u4ee5\u89e3\u6790\u5916\u90e8\u57df\u540d\u7684 dns \u8bb0\u5f55\u3002<\/p>\n
\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u5728\u6ca1\u6709\u5916\u90e8 IP \u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee K8s \u4e2d\u7684 LoadBalancer \u7c7b\u578b\u7684 Service\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n
\n
\n <\/dt>\n
\n   C#\u7a0b\u5e8f\u5458\u8f6c\u884c\uff1aPython\u8fd8\u662fGo\uff0c\u54ea\u6761\u8def\u66f4\u9002\u5408\u4f60\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u5b89\u88c5\u4e00\u53f0\u5854\u540a\u591a\u5c11\u94b1\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587 \u300a...<\/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-206670","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206670","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=206670"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206670\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}