{"id":2714,"date":"2023-03-11T20:00:00","date_gmt":"2023-03-11T12:00:00","guid":{"rendered":"https:\/\/jovepater.com\/?p=2714"},"modified":"2023-04-23T20:50:00","modified_gmt":"2023-04-23T12:50:00","slug":"for-k8s-beginner-ep-10-kubernetes-network","status":"publish","type":"post","link":"https:\/\/jovepater.com\/article\/for-k8s-beginner-ep-10-kubernetes-network\/","title":{"rendered":"For K8S Beginner EP 10\uff1aKubernetes Network \u7db2\u8def\u67b6\u69cb"},"content":{"rendered":"\n

\u7db2\u8def\uff0c\u662fKubernetes\u6700\u56f0\u96e3\u7684\u90e8\u5206\uff0c\u6c92\u6709\u4e4b\u4e00<\/strong><\/h2>\n\n\n\n

\u70ba\u4ec0\u9ebc\u8aaa\u7db2\u8def\u662fKubernetes\u6700\u56f0\u96e3\u7684\u90e8\u5206\u5462\uff1f\u9019\u8981\u5f9eKubernetes\u9762\u5c0d\u7684\u5c0d\u8c61\u958b\u59cb\u8ac7\uff0c\u4e00\u822c\u800c\u8a00\uff0c\u5728Kubernetes\u4e0a\u90e8\u7f72\u7a0b\u5f0f\uff0c\u4e0d\u55ae\u55ae\u50cf\u50b3\u7d71\u5be6\u9ad4\u6a5f\u6216VM\uff0c\u63d0\u4f9b\u4e00\u500b\u5b8c\u6574\u7684\u4f5c\u696d\u74b0\u5883\uff0c\u900f\u904e\u6210\u719f\u7684\u7dad\u904b\u5206\u5de5\u9ad4\u7cfb\uff0c\u8edf\u9ad4\u5de5\u7a0b\u5e2b\u4e0d\u9700\u8981\u592a\u64d4\u5fc3\u7db2\u8def\u7684\u6280\u8853\u554f\u984c\uff0c\u8af8\u5982\u5c01\u5305\u7684\u8def\u7531\u600e\u8dd1\u3001\u7db2\u8def\u57e0\u7684\u8a2d\u5b9a\u3001URL Rewrite\u3001Reverse Proxy\u6a5f\u5236\u3001\u8ca0\u8f09\u5e73\u8861…\u7b49\uff0c\u4f46\u662f\u5728Kubernetes\u7684\u4e16\u754c\uff0c\u4e0a\u8ff0\u9019\u4e9b\u554f\u984c\u901a\u5e38\u5c31\u662f\u8edf\u9ad4\u5de5\u7a0b\u5e2b\u8981\u9867\u616e\u7684\u4e8b\u60c5\u4e86\uff01<\/p>\n\n\n\n

\u5be6\u969b\u4e0a\uff0cKubernetes\u7684\u7db2\u8def\u67b6\u69cb\u4e26\u4e0d\u540c\u65bc\u50b3\u7d71\u7684\u7db2\u8def\uff0c\u5b83\u8981\u9867\u616e\u7684\u9ede\u975e\u5e38\u591a\uff1a<\/p>\n\n\n\n

    \n
  1. Pod\u5167\u90e8\u7db2\u8def\u901a\u8a0a<\/li>\n\n\n\n
  2. Pod\u7db2\u8def\u7684Outbound<\/li>\n\n\n\n
  3. Kubernetes Service\u7db2\u8def\u7684Inbound<\/li>\n\n\n\n
  4. \u55ae\u4e00\u7bc0\u9ede\u8de8Pod\u7684\u7db2\u8def\u5982\u4f55\u9023\u901a<\/li>\n\n\n\n
  5. \u540c\u4e00Kubernetes Service\u4e0b\u4e0d\u540cPod\u8de8\u7bc0\u9ede\u901a\u8a0a<\/li>\n\n\n\n
  6. \u4e0d\u540cKubernetes Service\u8de8\u7bc0\u9ede\u7684\u901a\u8a0a<\/li>\n\n\n\n
  7. \u8de8\u53e2\u96c6\u7684\u7db2\u8def\u67b6\u69cb\u8a2d\u8a08<\/li>\n\n\n\n
  8. …\u7b49<\/li>\n<\/ol>\n\n\n\n

    \u96d6\u7136\u5982\u6b64\u7684\u8907\u96dc\uff0c\u4f46\u82e5\u662f\u6709CCNA<\/a>\u7684\u57fa\u790e\uff0c\u53ef\u4ee5\u767c\u73fe\uff0c\u9084\u662f\u4e0d\u812b\u96e2OSI 7\u5c64\u67b6\u69cb\uff0c\u518d\u719f\u6089\u4ee5\u4e0b\u91cd\u8981\u670d\u52d9\uff1a<\/p>\n\n\n\n

      \n
    1. DHCP<\/li>\n\n\n\n
    2. DNS<\/li>\n\n\n\n
    3. Port Forward<\/li>\n\n\n\n
    4. Load Balance<\/li>\n\n\n\n
    5. Reverse Proxy<\/li>\n\n\n\n
    6. NAT (Network Address Translation)<\/li>\n<\/ol>\n\n\n\n

      \u76f8\u4fe1\u4eba\u4eba\u90fd\u6703\u662fKubernetes\u7db2\u8def\u5c08\u5bb6\uff01<\/p>\n\n\n\n

      \u672c\u7bc7\u5c07\u5c31\u55ae\u4e00\u7bc0\u9ede\u3001\u53e2\u96c6\u74b0\u5883\u8aaa\u660e\u7db2\u8def\u67b6\u69cb\uff0c\u4e26\u540c\u6642\u5206\u5225\u5c31\u5be6\u9ad4\u74b0\u5883\u8207\u61c9\u7528\u7a0b\u5f0f\u5169\u500b\u4e0d\u540c\u7684\u89c0\u9ede\u95e1\u8ff0\u5167\u5bb9\uff0c\u529b\u6c42\u7c21\u55ae\u3001\u6e05\u6670\u7684\u8aaa\u660e\u767d\u3002<\/p>\n\n\n\n

      Kubernetes Network\u67b6\u69cb – \u55ae\u4e00\u7bc0\u9ede<\/strong><\/h2>\n\n\n\n

      \u7406\u8ad6\u4e0a\uff0c\u5728\u6b63\u5f0f\u74b0\u5883\u4e0a\u4e0d\u5b58\u5728\u55ae\u7bc0\u9ede\u67b6\u69cb\uff0c\u50c5\u50c5\u662f\u70ba\u4e86\u8b93\u8aaa\u660e\u80fd\u6709\u5c64\u6b21\u3002<\/p>\n\n\n\n

      \u55ae\u4e00\u7bc0\u9ede\u7684\u67b6\u69cb\u4e0a\uff0c\u5728\u591a\u500b\u5730\u65b9\u90fd\u6709\u7db2\u8def\u57e0\uff0c\u4f9b\u4e0d\u540c\u7684\u8cc7\u6e90\u6216\u670d\u52d9\u7db2\u8def\u670d\u52d9\uff0c\u5982\u4e0b\u5716\uff0cPod\u3001Service\u3001\u8207\u4e3b\u6a5f\u90fd\u5404\u81ea\u6709\u7db2\u8def\u57e0\uff1a<\/p>\n\n\n

      \n
      \"Kubernetes<\/figure><\/div>\n\n\n

      \u6bcf\u500b\u4e0d\u540c\u7684\u7db2\u8def\u57e0\u8aaa\u660e\u5982\u4e0b\uff1a<\/p>\n\n\n\n

      #<\/td>\u7db2\u8def\u57e0\u540d\u7a31<\/td>\u6240\u5c6c\u8cc7\u6e90\u985e\u578b<\/td>\u7528\u9014<\/td><\/tr>
      1<\/td>Target Port \/ Container Port<\/td>Pod<\/td>\u4f9bPod\u5167\u7684Container\u4f7f\u7528\u7684\u7db2\u8def\u57e0\uff0c\u55ae\u4e00Pod\u5167\u7684Container\u5171\u7528\uff0c\u4f7f\u7528\u540c\u4e00\u500bIP\uff0c\u4f46\u53ef\u4ee5\u5206\u4eab\u4e0d\u540c\u7684Port\u865f<\/td><\/tr>
      2<\/td>Port<\/td>Service<\/td>Service\u4ee3\u8868\u4e00\u7fa4Pod\u6240\u63d0\u4f9b\u7684\u670d\u52d9\uff0c\u6709\u5176\u7368\u7acb\u7684\u7db2\u8def\u57e0\uff0c\u63d0\u4f9b\u5c0d\u5916\u670d\u52d9\u6240\u9700\u7684\u7db2\u8def\u80fd\u529b<\/td><\/tr>
      3<\/td>Node Port<\/td>\u5be6\u9ad4\u7bc0\u9ede<\/td>\u9867\u540d\u601d\u7fa9\uff0c\u7bc0\u9ede\u7684\u7db2\u8def\u57e0\uff0c\u7336\u5982\u5be6\u9ad4\u4f3a\u670d\u5668\u7684\u7db2\u8def\u57e0<\/td><\/tr><\/tbody><\/table><\/div><\/figure>\n\n\n\n

      \u9019\u4e9b\u7db2\u8def\u57e0\u662f\u6709\u5176\u5c0d\u61c9\u95dc\u4fc2\u7684\uff0c\u7531\u5916\u800c\u5167\uff0cNode Port –> Port –> Target Port\uff0c\u9019\u500b\u9806\u5e8f\u4e5f\u662f\u5ba2\u6236\u7aef\u9023\u7dda\u81f3\u5be6\u969b\u670d\u52d9\u7684\u7db2\u8def\u8def\u7531\u9806\u5e8f\u3002<\/p>\n\n\n\n

      Kubernetes Network\u67b6\u69cb – \u53e2\u96c6 Cluster<\/strong><\/h2>\n\n\n
      \n
      \"Kubernetes<\/figure><\/div>\n\n\n

      \u5728\u53e2\u96c6\u67b6\u69cb\u4e0b\uff0c\u591a\u4e86\u4e00\u500b\u300cCluster Network\u300d\u53e2\u96c6\u7db2\u8def\uff0c\u4f5c\u70ba\u55ae\u4e00Service\u4e0b\u76f8\u540cPod\u6a6b\u8de8\u591a\u500bWorker Node\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u56e0\u6b64\uff0c\u7531\u4e0a\u5716\u53ef\u4ee5\u770b\u5230\uff0cService\u7684\u9032\u5165\u53e3\u5f9e\u55ae\u7bc0\u9ede\u7684Node Port\u6539\u6210Cluster IP\u3002<\/p>\n\n\n\n

      \u81f3\u6b64\uff0c\u4e86\u89e3\u9019\u4e9b\u57fa\u790e\u77e5\u8b58\uff0c\u5df2\u7d93\u8db3\u5920\u6211\u5011\u7e7c\u7e8c\u63a5\u4e0b\u53bb\u5b78\u7fd2Kubernetes\u7684\u77e5\u8b58\u8207\u6280\u8853\u4e86\uff0c\u81f3\u65bc\u66f4\u6df1\u5165\u7684\u7db2\u8def\u67b6\u69cb\u8207\u6280\u8853\u7d30\u7bc0\uff0c\u5f85\u5f8c\u7e8c\u63a2\u7a76\uff01<\/p>\n\n\n\n

      ~ END ~<\/p>\n\n\n\n

      \n\n\n\n
      < For K8S Beginner EP 9\uff1a\u90e8\u7f72Kubernetes Service\u4f86\u63d0\u4f9b\u670d\u52d9<\/a><\/td>For K8S Beginner EP 11\uff1a[\u63a2\u7a76] \u66f4\u65b0\u6a5f\u5236 Rolling Update vs. Recreate<\/a> ><\/td><\/tr><\/tbody><\/table><\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"

      \u7db2\u8def\uff0c\u662fKubernetes\u6700\u56f0\u96e3\u7684\u90e8\u5206\uff0c\u6c92\u6709\u4e4b\u4e00 \u70ba\u4ec0\u9ebc\u8aaa\u7db2\u8def\u662fKubernetes\u6700\u56f0\u96e3\u7684\u90e8\u5206\u5462\uff1f\u9019\u8981\u5f9eK<\/p>\n","protected":false},"author":2,"featured_media":2733,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[191],"tags":[116,55],"_links":{"self":[{"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/posts\/2714"}],"collection":[{"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/comments?post=2714"}],"version-history":[{"count":16,"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/posts\/2714\/revisions"}],"predecessor-version":[{"id":2949,"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/posts\/2714\/revisions\/2949"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/media\/2733"}],"wp:attachment":[{"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/media?parent=2714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/categories?post=2714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jovepater.com\/wp-json\/wp\/v2\/tags?post=2714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}