{"id":1584,"date":"2020-06-09T18:03:58","date_gmt":"2020-06-09T10:03:58","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1584"},"modified":"2020-06-09T18:03:58","modified_gmt":"2020-06-09T10:03:58","slug":"kubernetes-ingress","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1584","title":{"rendered":"Kubernetes Ingress"},"content":{"rendered":"<h2 id=\\\"\u4ec0\u4e48\u662fingress\\\">\u4ec0\u4e48\u662fIngress\uff1f<\/h2>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cservice\u548cpod\u4ec5\u53ef\u5728\u96c6\u7fa4\u5185\u90e8\u7f51\u7edc\u4e2d\u901a\u8fc7IP\u5730\u5740\u8bbf\u95ee\u3002\u6240\u6709\u5230\u8fbe\u8fb9\u754c\u8def\u7531\u5668\u7684\u6d41\u91cf\u6216\u88ab\u4e22\u5f03\u6216\u88ab\u8f6c\u53d1\u5230\u5176\u4ed6\u5730\u65b9\u3002\u4ece\u6982\u5ff5\u4e0a\u8bb2\uff0c\u53ef\u80fd\u50cf\u4e0b\u9762\u8fd9\u6837\uff1a<\/p>\n<pre class=\\\"prettyprint\\\"><code class=\\\" hljs sql\\\"><span class=\\\"pln\\\">    internet\n        <\/span><span class=\\\"pun\\\">|<\/span>\n  <span class=\\\"hljs-comment\\\"><span class=\\\"pun\\\">------------<\/span><\/span>\n  <span class=\\\"pun\\\">[<\/span> <span class=\\\"typ\\\">Services<\/span> <span class=\\\"pun\\\">]<\/span><\/code><\/pre>\n<p>Ingress\u662f\u6388\u6743\u5165\u7ad9\u8fde\u63a5\u5230\u8fbe\u96c6\u7fa4\u670d\u52a1\u7684\u89c4\u5219\u96c6\u5408\u3002<\/p>\n<pre class=\\\"prettyprint\\\"><code class=\\\" hljs sql\\\"><span class=\\\"pln\\\">    internet\n        <\/span><span class=\\\"pun\\\">|<\/span>\n   <span class=\\\"pun\\\">[<\/span> <span class=\\\"typ\\\">Ingress<\/span> <span class=\\\"pun\\\">]<\/span>\n   <span class=\\\"hljs-comment\\\"><span class=\\\"pun\\\">--|-----|--<\/span><\/span>\n   <span class=\\\"pun\\\">[<\/span> <span class=\\\"typ\\\">Services<\/span> <span class=\\\"pun\\\">]<\/span><\/code><\/pre>\n<p>\u4f60\u53ef\u4ee5\u7ed9Ingress\u914d\u7f6e\u63d0\u4f9b\u5916\u90e8\u53ef\u8bbf\u95ee\u7684URL\u3001\u8d1f\u8f7d\u5747\u8861\u3001SSL\u3001\u57fa\u4e8e\u540d\u79f0\u7684\u865a\u62df\u4e3b\u673a\u7b49\u3002\u7528\u6237\u901a\u8fc7POST Ingress\u8d44\u6e90\u5230API server\u7684\u65b9\u5f0f\u6765\u8bf7\u6c42ingress\u3002\u00a0Ingress controller\u8d1f\u8d23\u5b9e\u73b0Ingress\uff0c\u901a\u5e38\u4f7f\u7528\u8d1f\u8f7d\u5e73\u8861\u5668\uff0c\u5b83\u8fd8\u53ef\u4ee5\u914d\u7f6e\u8fb9\u754c\u8def\u7531\u548c\u5176\u4ed6\u524d\u7aef\uff0c\u8fd9\u6709\u52a9\u4e8e\u4ee5HA\u65b9\u5f0f\u5904\u7406\u6d41\u91cf\u3002<\/p>\n<h2 id=\\\"\u5148\u51b3\u6761\u4ef6\\\">\u5148\u51b3\u6761\u4ef6<\/h2>\n<p>\u5728\u4f7f\u7528Ingress resource\u4e4b\u524d\uff0c\u6709\u5fc5\u8981\u5148\u4e86\u89e3\u4e0b\u9762\u51e0\u4ef6\u4e8b\u60c5\u3002Ingress\u662fbeta\u7248\u672c\u7684resource\uff0c\u5728kubernetes1.1\u4e4b\u524d\u8fd8\u6ca1\u6709\u3002\u4f60\u9700\u8981\u4e00\u4e2a<code>Ingress Controller<\/code>\u6765\u5b9e\u73b0<code>Ingress<\/code>\uff0c\u5355\u7eaf\u7684\u521b\u5efa\u4e00\u4e2a<code>Ingress<\/code>\u6ca1\u6709\u4efb\u4f55\u610f\u4e49\u3002<br \/>\nGCE\/GKE\u4f1a\u5728master\u8282\u70b9\u4e0a\u90e8\u7f72\u4e00\u4e2aingress controller\u3002\u4f60\u53ef\u4ee5\u5728\u4e00\u4e2apod\u4e2d\u90e8\u7f72\u4efb\u610f\u4e2a\u81ea\u5b9a\u4e49\u7684ingress controller\u3002\u4f60\u5fc5\u987b\u6b63\u786e\u5730annotate\u6bcf\u4e2aingress\uff0c\u6bd4\u5982\u00a0\u8fd0\u884c\u591a\u4e2aingress controller\u00a0\u548c\u00a0\u5173\u95edglbc.<\/p>\n<h2 id=\\\"ingress-resource\\\">Ingress Resource<\/h2>\n<p>\u6700\u7b80\u5316\u7684Ingress\u914d\u7f6e\uff1a<\/p>\n<pre class=\\\"prettyprint\\\"><code class=\\\"language-yaml hljs http\\\"><span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">1<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\"><span class=\\\"pln\\\">apiVersion<\/span><span class=\\\"pun\\\">:<\/span><span class=\\\"pln\\\"> extensions<\/span><span class=\\\"pun\\\">\/<\/span><span class=\\\"pln\\\">v1beta1<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">2<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\"><span class=\\\"pln\\\">kind<\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"typ\\\">Ingress<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">3<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\"><span class=\\\"pln\\\">metadata<\/span><span class=\\\"pun\\\">:<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">4<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\"><span class=\\\"pln\\\">  name<\/span><span class=\\\"pun\\\">:<\/span><span class=\\\"pln\\\"> test<\/span><span class=\\\"pun\\\">-<\/span><span class=\\\"pln\\\">ingress<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">5<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\"><span class=\\\"pln\\\">spec<\/span><span class=\\\"pun\\\">:<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">6<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\"><span class=\\\"pln\\\">  rules<\/span><span class=\\\"pun\\\">:<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">7<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\">  <span class=\\\"pun\\\">-<\/span><span class=\\\"pln\\\"> http<\/span><span class=\\\"pun\\\">:<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">8<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\"><span class=\\\"pln\\\">      paths<\/span><span class=\\\"pun\\\">:<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">9<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\">      <span class=\\\"pun\\\">-<\/span><span class=\\\"pln\\\"> path<\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"pun\\\">\/<\/span><span class=\\\"pln\\\">testpath<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">10<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\"><span class=\\\"pln\\\">       backend<\/span><span class=\\\"pun\\\">:<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">11<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\"><span class=\\\"pln\\\">          serviceName<\/span><span class=\\\"pun\\\">:<\/span><span class=\\\"pln\\\"> test<\/span><\/span>\n<span class=\\\"hljs-attribute\\\"><span class=\\\"lit\\\">12<\/span><\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"hljs-string\\\"><span class=\\\"pln\\\">          servicePort<\/span><span class=\\\"pun\\\">:<\/span> <span class=\\\"lit\\\">80<\/span><\/span>\n<\/code><\/pre>\n<p><em>\u5982\u679c\u4f60\u6ca1\u6709\u914d\u7f6eIngress controller\u5c31\u5c06\u5176POST\u5230API server\u4e0d\u4f1a\u6709\u4efb\u4f55\u7528\u5904<\/em><br \/>\n<strong>\u914d\u7f6e\u8bf4\u660e<\/strong><br \/>\n<strong>1-4\u884c<\/strong>\uff1a\u8ddfKubernetes\u7684\u5176\u4ed6\u914d\u7f6e\u4e00\u6837\uff0cingress\u7684\u914d\u7f6e\u4e5f\u9700\u8981<code>apiVersion<\/code>\uff0c<code>kind<\/code>\u548c<code>metadata<\/code>\u5b57\u6bb5\u3002\u914d\u7f6e\u6587\u4ef6\u7684\u8be6\u7ec6\u8bf4\u660e\u8bf7\u67e5\u770b\u90e8\u7f72\u5e94\u7528,\u00a0\u914d\u7f6e\u5bb9\u5668\u548c\u00a0\u4f7f\u7528resources.<br \/>\n<strong>5-7\u884c<\/strong>: Ingress\u00a0spec\u00a0\u4e2d\u5305\u542b\u914d\u7f6e\u4e00\u4e2aloadbalancer\u6216proxy server\u7684\u6240\u6709\u4fe1\u606f\u3002\u6700\u91cd\u8981\u7684\u662f\uff0c\u5b83\u5305\u542b\u4e86\u4e00\u4e2a\u5339\u914d\u6240\u6709\u5165\u7ad9\u8bf7\u6c42\u7684\u89c4\u5219\u5217\u8868\u3002\u76ee\u524dingress\u53ea\u652f\u6301http\u89c4\u5219\u3002<br \/>\n<strong>8-9\u884c<\/strong>\uff1a\u6bcf\u6761http\u89c4\u5219\u5305\u542b\u4ee5\u4e0b\u4fe1\u606f\uff1a\u4e00\u4e2a<code>host<\/code>\u914d\u7f6e\u9879\uff08\u6bd4\u5982for.bar.com\uff0c\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\u9ed8\u8ba4\u662f*\uff09\uff0c<code>path<\/code>\u5217\u8868\uff08\u6bd4\u5982\uff1a\/testpath\uff09\uff0c\u6bcf\u4e2apath\u90fd\u5173\u8054\u4e00\u4e2a<code>backend<\/code>(\u6bd4\u5982test:80)\u3002\u5728loadbalancer\u5c06\u6d41\u91cf\u8f6c\u53d1\u5230backend\u4e4b\u524d\uff0c\u6240\u6709\u7684\u5165\u7ad9\u8bf7\u6c42\u90fd\u8981\u5148\u5339\u914dhost\u548cpath\u3002<br \/>\n<strong>10-12\u884c<\/strong>\uff1a\u6b63\u5982\u00a0services doc\u4e2d\u63cf\u8ff0\u7684\u90a3\u6837\uff0cbackend\u662f\u4e00\u4e2a<code>service:port<\/code>\u7684\u7ec4\u5408\u3002Ingress\u7684\u6d41\u91cf\u88ab\u8f6c\u53d1\u5230\u5b83\u6240\u5339\u914d\u7684backend\u3002<br \/>\n<strong>\u5168\u5c40\u53c2\u6570<\/strong>\uff1a\u4e3a\u4e86\u7b80\u5355\u8d77\u89c1\uff0cIngress\u793a\u4f8b\u4e2d\u6ca1\u6709\u5168\u5c40\u53c2\u6570\uff0c\u8bf7\u53c2\u9605\u8d44\u6e90\u5b8c\u6574\u5b9a\u4e49\u7684api\u53c2\u8003\u3002 \u5728\u6240\u6709\u8bf7\u6c42\u90fd\u4e0d\u80fd\u8ddfspec\u4e2d\u7684path\u5339\u914d\u7684\u60c5\u51b5\u4e0b\uff0c\u8bf7\u6c42\u88ab\u53d1\u9001\u5230Ingress controller\u7684\u9ed8\u8ba4\u540e\u7aef\uff0c\u53ef\u4ee5\u6307\u5b9a\u5168\u5c40\u7f3a\u7701backend\u3002<\/p>\n<h2 id=\\\"ingress-controllers\\\">Ingress Controllers<\/h2>\n<p>\u4e3a\u4e86\u4f7fIngress\u6b63\u5e38\u5de5\u4f5c\uff0c\u96c6\u7fa4\u4e2d\u5fc5\u987b\u8fd0\u884cIngress controller\u3002 \u8fd9\u4e0e\u5176\u4ed6\u7c7b\u578b\u7684\u63a7\u5236\u5668\u4e0d\u540c\uff0c\u5176\u4ed6\u7c7b\u578b\u7684\u63a7\u5236\u5668\u901a\u5e38\u4f5c\u4e3a<code>kube-controller-manager<\/code>\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u4e00\u90e8\u5206\u8fd0\u884c\uff0c\u5728\u96c6\u7fa4\u542f\u52a8\u65f6\u81ea\u52a8\u542f\u52a8\u3002 \u4f60\u9700\u8981\u9009\u62e9\u6700\u9002\u5408\u81ea\u5df1\u96c6\u7fa4\u7684Ingress controller\u6216\u8005\u81ea\u5df1\u5b9e\u73b0\u4e00\u4e2a\u3002<\/p>\n<h2 id=\\\"ingress\u7c7b\u578b\\\">Ingress\u7c7b\u578b<\/h2>\n<h3 id=\\\"\u5355service-ingress\\\">\u5355Service Ingress<\/h3>\n<p>Kubernetes\u4e2d\u5df2\u7ecf\u5b58\u5728\u4e00\u4e9b\u6982\u5ff5\u53ef\u4ee5\u66b4\u9732\u5355\u4e2aservice\uff0c\u4f46\u662f\u4f60\u4ecd\u7136\u53ef\u4ee5\u901a\u8fc7Ingress\u6765\u5b9e\u73b0\uff0c\u901a\u8fc7\u6307\u5b9a\u4e00\u4e2a\u6ca1\u6709rule\u7684\u9ed8\u8ba4backend\u7684\u65b9\u5f0f\u3002<br \/>\ningress.yaml\u5b9a\u4e49\u6587\u4ef6\uff1a<\/p>\n<pre>apiVersion: extensions\/v1beta1\nkind: Ingress\nmetadata:\n  name: test-ingress\nspec:\n  backend:\n    serviceName: testsvc\n    servicePort: 80<\/pre>\n<p>\u4f7f\u7528<code>kubectl create -f<\/code>\u547d\u4ee4\u521b\u5efa\uff0c\u7136\u540e\u67e5\u770bingress\uff1a<\/p>\n<pre>$ kubectl get ingress\nNAME                RULE          BACKEND        ADDRESS\ntest-ingress        -             testsvc:80     107.178.254.228\n<\/pre>\n<p><code>107.178.254.228<\/code>\u5c31\u662fIngress controller\u4e3a\u4e86\u5b9e\u73b0Ingress\u800c\u5206\u914d\u7684IP\u5730\u5740\u3002<code>RULE<\/code>\u5217\u8868\u793a\u6240\u6709\u53d1\u9001\u7ed9\u8be5IP\u7684\u6d41\u91cf\u90fd\u88ab\u8f6c\u53d1\u5230\u4e86<code>BACKEND<\/code>\u6240\u5217\u7684Kubernetes service\u4e0a\u3002<\/p>\n<h3 id=\\\"\u7b80\u5355\u5c55\u5f00\\\">\u7b80\u5355\u5c55\u5f00<\/h3>\n<p>\u5982\u524d\u9762\u63cf\u8ff0\u7684\u90a3\u6837\uff0ckubernete pod\u4e2d\u7684IP\u53ea\u5728\u96c6\u7fa4\u7f51\u7edc\u5185\u90e8\u53ef\u89c1\uff0c\u6211\u4eec\u9700\u8981\u5728\u8fb9\u754c\u8bbe\u7f6e\u4e00\u4e2a\u4e1c\u897f\uff0c\u8ba9\u5b83\u80fd\u591f\u63a5\u6536ingress\u7684\u6d41\u91cf\u5e76\u5c06\u5b83\u4eec\u8f6c\u53d1\u5230\u6b63\u786e\u7684\u7aef\u70b9\u4e0a\u3002\u8fd9\u4e2a\u4e1c\u897f\u4e00\u822c\u662f\u9ad8\u53ef\u7528\u7684loadbalancer\u3002\u4f7f\u7528Ingress\u80fd\u591f\u5141\u8bb8\u4f60\u5c06loadbalancer\u7684\u4e2a\u6570\u964d\u4f4e\u5230\u6700\u5c11\uff0c\u4f8b\u5982\uff0c\u5ac1\u5165\u4f60\u60f3\u8981\u521b\u5efa\u8fd9\u6837\u7684\u4e00\u4e2a\u8bbe\u7f6e\uff1a<\/p>\n<pre>foo.bar.com -&gt; 178.91.123.132 -&gt; \/ foo    s1:80\n                                 \/ bar    s2:80\n<\/pre>\n<p>\u4f60\u9700\u8981\u4e00\u4e2a\u8fd9\u6837\u7684ingress\uff1a<\/p>\n<pre>apiVersion: extensions\/v1beta1\nkind: Ingress\nmetadata:\n  name: test\nspec:\n  rules:\n  - host: foo.bar.com\n    http:\n      paths:\n      - path: \/foo\n        backend:\n          serviceName: s1\n          servicePort: 80\n      - path: \/bar\n        backend:\n          serviceName: s2\n          servicePort: 80<\/pre>\n<p>\u4f7f\u7528<code>kubectl create -f<\/code>\u521b\u5efa\u5b8cingress\u540e\uff1a<\/p>\n<pre>$ kubectl get ing\nNAME      RULE          BACKEND   ADDRESS\ntest      -\n          foo.bar.com\n          \/foo          s1:80\n          \/bar          s2:80\n<\/pre>\n<p>\u53ea\u8981\u670d\u52a1\uff08s1\uff0cs2\uff09\u5b58\u5728\uff0cIngress controller\u5c31\u4f1a\u5c06\u63d0\u4f9b\u4e00\u4e2a\u6ee1\u8db3\u8be5Ingress\u7684\u7279\u5b9aloadbalancer\u5b9e\u73b0\u3002 \u8fd9\u4e00\u6b65\u5b8c\u6210\u540e\uff0c\u60a8\u5c06\u5728Ingress\u7684\u6700\u540e\u4e00\u5217\u770b\u5230loadbalancer\u7684\u5730\u5740\u3002<\/p>\n<h3 id=\\\"\u57fa\u4e8e\u540d\u79f0\u7684\u865a\u62df\u4e3b\u673a\\\">\u57fa\u4e8e\u540d\u79f0\u7684\u865a\u62df\u4e3b\u673a<\/h3>\n<p>Name-based\u7684\u865a\u62df\u4e3b\u673a\u5728\u540c\u4e00\u4e2aIP\u5730\u5740\u4e0b\u62e5\u6709\u591a\u4e2a\u4e3b\u673a\u540d\u3002<\/p>\n<pre>foo.bar.com --|                 |-&gt; foo.bar.com s1:80\n              | 178.91.123.132  |\nbar.foo.com --|                 |-&gt; bar.foo.com s2:80\n<\/pre>\n<p>\u4e0b\u9762\u8fd9\u4e2aingress\u8bf4\u660e\u57fa\u4e8eHost header\u7684\u540e\u7aefloadbalancer\u7684\u8def\u7531\u8bf7\u6c42\uff1a<\/p>\n<pre class=\\\"prettyprint\\\">apiVersion: extensions\/v1beta1\nkind: Ingress\nmetadata:\n  name: test\nspec:\n  rules:\n  - host: foo.bar.com\n    http:\n      paths:\n      - backend:\n          serviceName: s1\n          servicePort: 80\n  - host: bar.foo.com\n    http:\n      paths:\n      - backend:\n          serviceName: s2\n          servicePort: 80<\/pre>\n<p><strong>\u9ed8\u8ba4backend<\/strong>\uff1a\u4e00\u4e2a\u6ca1\u6709rule\u7684ingress\uff0c\u6240\u6709\u6d41\u91cf\u90fd\u5c06\u53d1\u9001\u5230\u4e00\u4e2a\u9ed8\u8ba4backend\u3002\u4f60\u53ef\u4ee5\u7528\u8be5\u6280\u5de7\u901a\u77e5loadbalancer\u5982\u4f55\u627e\u5230\u4f60\u7f51\u7ad9\u7684404\u9875\u9762\uff0c\u901a\u8fc7\u5236\u5b9a\u4e00\u4e9b\u5217rule\u548c\u4e00\u4e2a\u9ed8\u8ba4backend\u7684\u65b9\u5f0f\u3002\u5982\u679c\u8bf7\u6c42header\u4e2d\u7684host\u4e0d\u80fd\u8ddfingress\u4e2d\u7684host\u5339\u914d\uff0c\u5e76\u4e14\/\u6216\u8bf7\u6c42\u7684URL\u4e0d\u80fd\u4e0e\u4efb\u4f55\u4e00\u4e2apath\u5339\u914d\uff0c\u5219\u6d41\u91cf\u5c06\u8def\u7531\u5230\u4f60\u7684\u9ed8\u8ba4backend\u3002<\/p>\n<h3 id=\\\"tls\\\">TLS<\/h3>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u5305\u542bTLS\u79c1\u94a5\u548c\u8bc1\u4e66\u7684secret\u6765\u52a0\u5bc6Ingress\u3002 \u76ee\u524d\uff0cIngress\u4ec5\u652f\u6301\u5355\u4e2aTLS\u7aef\u53e3443\uff0c\u5e76\u5047\u5b9aTLS termination\u3002 \u5982\u679cIngress\u4e2d\u7684TLS\u914d\u7f6e\u90e8\u5206\u6307\u5b9a\u4e86\u4e0d\u540c\u7684\u4e3b\u673a\uff0c\u5219\u5b83\u4eec\u5c06\u6839\u636e\u901a\u8fc7SNI TLS\u6269\u5c55\u6307\u5b9a\u7684\u4e3b\u673a\u540d\uff08\u5047\u5982Ingress controller\u652f\u6301SNI\uff09\u5728\u591a\u4e2a\u76f8\u540c\u7aef\u53e3\u4e0a\u8fdb\u884c\u590d\u7528\u3002 TLS secret\u4e2d\u5fc5\u987b\u5305\u542b\u540d\u4e3a<code>tls.crt<\/code>\u548c<code>tls.key<\/code>\u7684\u5bc6\u94a5\uff0c\u8fd9\u91cc\u9762\u5305\u542b\u4e86\u7528\u4e8eTLS\u7684\u8bc1\u4e66\u548c\u79c1\u94a5\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>apiVersion: v1\ndata:\n  tls.crt: base64 encoded cert\n  tls.key: base64 encoded key\nkind: Secret\nmetadata:\n  name: testsecret\n  namespace: default\ntype: Opaque<\/pre>\n<p>\u5728Ingress\u4e2d\u5f15\u7528\u8fd9\u4e2asecret\u5c06\u901a\u77e5Ingress controller\u4f7f\u7528TLS\u52a0\u5bc6\u4ece\u5c06\u5ba2\u6237\u7aef\u5230loadbalancer\u7684channel\uff1a<\/p>\n<pre>apiVersion: extensions\/v1beta1\nkind: Ingress\nmetadata:\n  name: no-rules-map\nspec:\n  tls:\n    - secretName: testsecret\n  backend:\n    serviceName: s1\n    servicePort: 80\n<\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5404\u79cdIngress controller\u652f\u6301\u7684TLS\u529f\u80fd\u4e4b\u95f4\u5b58\u5728\u5dee\u8ddd\u3002<br \/>\n\u9002\u7528\u4e8e\u6240\u6709Ingress\u7684\u8d1f\u8f7d\u5e73\u8861\u7b56\u7565\u8bbe\u7f6e\uff0c\u4f8b\u5982\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\uff0c\u540e\u7aef\u6743\u91cd\u65b9\u6848\u7b49\u3002\u66f4\u9ad8\u7ea7\u7684\u8d1f\u8f7d\u5e73\u8861\u6982\u5ff5\uff08\u4f8b\u5982\u6301\u4e45\u4f1a\u8bdd\uff0c\u52a8\u6001\u6743\u91cd\uff09\u5c1a\u672a\u5728Ingress\u4e2d\u516c\u5f00\u3002 \u4f60\u4ecd\u7136\u53ef\u4ee5\u901a\u8fc7service loadbalancer\u83b7\u53d6\u8fd9\u4e9b\u529f\u80fd\u3002 \u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u6211\u4eec\u8ba1\u5212\u5c06\u9002\u7528\u4e8e\u8de8\u5e73\u53f0\u7684\u8d1f\u8f7d\u5e73\u8861\u6a21\u5f0f\u52a0\u5165\u5230Ingress\u8d44\u6e90\u4e2d\u3002<br \/>\n\u8fd8\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5c3d\u7ba1\u5065\u5eb7\u68c0\u67e5\u4e0d\u76f4\u63a5\u901a\u8fc7Ingress\u516c\u5f00\uff0c\u4f46Kubernetes\u4e2d\u5b58\u5728\u5e76\u884c\u6982\u5ff5\uff0c\u4f8b\u5982\u51c6\u5907\u63a2\u67e5\uff0c\u53ef\u4ee5\u4f7f\u4f60\u8fbe\u6210\u76f8\u540c\u7684\u6700\u7ec8\u7ed3\u679c\u3002<\/p>\n<h2 id=\\\"\u66f4\u65b0ingress\\\">\u66f4\u65b0Ingress<\/h2>\n<p>\u5047\u5982\u4f60\u60f3\u8981\u5411\u5df2\u6709\u7684ingress\u4e2d\u589e\u52a0\u4e00\u4e2a\u65b0\u7684Host\uff0c\u4f60\u53ef\u4ee5\u7f16\u8f91\u548c\u66f4\u65b0\u8be5ingress\uff1a<\/p>\n<pre>$ kubectl get ing\nNAME      RULE          BACKEND   ADDRESS\ntest      -                       178.91.123.132\n          foo.bar.com\n          \/foo          s1:80\n$ kubectl edit ing test<\/pre>\n<p>\u8fd9\u4f1a\u5f39\u51fa\u4e00\u4e2a\u5305\u542b\u5df2\u6709\u7684yaml\u6587\u4ef6\u7684\u7f16\u8f91\u5668\uff0c\u4fee\u6539\u5b83\uff0c\u589e\u52a0\u65b0\u7684Host\u914d\u7f6e\u3002<\/p>\n<pre>spec:\n  rules:\n  - host: foo.bar.com\n    http:\n      paths:\n      - backend:\n          serviceName: s1\n          servicePort: 80\n        path: \/foo\n  - host: bar.baz.com\n    http:\n      paths:\n      - backend:\n          serviceName: s2\n          servicePort: 80\n        path: \/foo\n..<\/pre>\n<p>\u4fdd\u5b58\u5b83\u4f1a\u66f4\u65b0API server\u4e2d\u7684\u8d44\u6e90\uff0c\u8fd9\u4f1a\u89e6\u53d1ingress controller\u91cd\u65b0\u914d\u7f6eloadbalancer\u3002<\/p>\n<pre>$ kubectl get ing\nNAME      RULE          BACKEND   ADDRESS\ntest      -                       178.91.123.132\n          foo.bar.com\n          \/foo          s1:80\n          bar.baz.com\n          \/foo          s2:80\n<\/pre>\n<p>\u5728\u4e00\u4e2a\u4fee\u6539\u8fc7\u7684ingress yaml\u6587\u4ef6\u4e0a\u8c03\u7528<code>kubectl replace -f<\/code>\u547d\u4ee4\u4e00\u6837\u53ef\u4ee5\u8fbe\u5230\u540c\u6837\u7684\u6548\u679c\u3002<\/p>\n<h2 id=\\\"\u8de8\u53ef\u7528\u57df\u6545\u969c\\\">\u8de8\u53ef\u7528\u57df\u6545\u969c<\/h2>\n<p>\u5728\u4e0d\u901a\u4e91\u4f9b\u5e94\u5546\u4e4b\u95f4\uff0c\u8de8\u6545\u969c\u57df\u7684\u6d41\u91cf\u4f20\u64ad\u6280\u672f\u6709\u6240\u4e0d\u540c\u3002 \u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u67e5\u770b\u76f8\u5173Ingress controller\u7684\u6587\u6863\u3002 \u6709\u5173\u5728federation\u96c6\u7fa4\u4e2d\u90e8\u7f72Ingress\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605[federation\u6587\u6863]()\u3002<\/p>\n<h2 id=\\\"\u672a\u6765\u8ba1\u5212\\\">\u672a\u6765\u8ba1\u5212<\/h2>\n<ul>\n<li>\u591a\u6837\u5316\u7684HTTPS\/TLS\u6a21\u578b\u652f\u6301\uff08\u5982SNI\uff0cre-encryption\uff09<\/li>\n<li>\u901a\u8fc7\u58f0\u660e\u6765\u8bf7\u6c42IP\u6216\u8005\u4e3b\u673a\u540d<\/li>\n<li>\u7ed3\u5408L4\u548cL7 Ingress<\/li>\n<li>\u66f4\u591a\u7684Ingress controller<\/li>\n<\/ul>\n<h2 id=\\\"\u66ff\u4ee3\u65b9\u6848\\\">\u66ff\u4ee3\u65b9\u6848<\/h2>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u5f88\u591a\u79cd\u65b9\u5f0f\u66b4\u9732service\u800c\u4e0d\u5fc5\u76f4\u63a5\u4f7f\u7528ingress\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528Service.Type=LoadBalancer<\/li>\n<li>\u4f7f\u7528Service.Type=NodePort<\/li>\n<li>\u4f7f\u7528Port Proxy<\/li>\n<li>\u90e8\u7f72\u4e00\u4e2aService loadbalancer\u00a0\u8fd9\u5141\u8bb8\u4f60\u5728\u591a\u4e2aservice\u4e4b\u95f4\u5171\u4eab\u5355\u4e2aIP\uff0c\u5e76\u901a\u8fc7Service Annotations\u5b9e\u73b0\u66f4\u9ad8\u7ea7\u7684\u8d1f\u8f7d\u5e73\u8861\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662fIngress\uff1f \u901a\u5e38\u60c5\u51b5\u4e0b\uff0cservice\u548cpod\u4ec5\u53ef\u5728\u96c6\u7fa4\u5185\u90e8\u7f51\u7edc\u4e2d\u901a\u8fc7IP\u5730\u5740\u8bbf\u95ee\u3002\u6240\u6709\u5230\u8fbe\u8fb9\u754c\u8def &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=1584\"> <span class=\"screen-reader-text\">Kubernetes Ingress<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[104,123],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":0,"uagb_excerpt":"\u4ec0\u4e48\u662fIngress\uff1f \u901a\u5e38\u60c5\u51b5\u4e0b\uff0cservice\u548cpod\u4ec5\u53ef\u5728\u96c6\u7fa4\u5185\u90e8\u7f51\u7edc\u4e2d\u901a\u8fc7IP\u5730\u5740\u8bbf\u95ee\u3002\u6240\u6709\u5230\u8fbe\u8fb9\u754c\u8def&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1584"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1584"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1584\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1584"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}