{"id":36115,"date":"2023-11-03T16:31:11","date_gmt":"2023-07-02T22:26:14","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%bc%80%e5%a7%8b%e5%ad%a6%e4%b9%a0-kubernetes-%e6%97%b6%e6%9c%89%e7%82%b9%e6%99%9a%e4%ba%86-08-%e5%8f%91%e7%8e%b0%e4%b8%8e%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1-%e7%ac%ac%e4%b8%80\/"},"modified":"2024-05-04T07:20:49","modified_gmt":"2024-05-03T23:20:49","slug":"%e5%bc%80%e5%a7%8b%e5%ad%a6%e4%b9%a0-kubernetes-%e6%97%b6%e6%9c%89%e7%82%b9%e6%99%9a%e4%ba%86-08-%e5%8f%91%e7%8e%b0%e4%b8%8e%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1-%e7%ac%ac%e4%b8%80","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%bc%80%e5%a7%8b%e5%ad%a6%e4%b9%a0-kubernetes-%e6%97%b6%e6%9c%89%e7%82%b9%e6%99%9a%e4%ba%86-08-%e5%8f%91%e7%8e%b0%e4%b8%8e%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1-%e7%ac%ac%e4%b8%80\/","title":{"rendered":"\u5f00\u59cb\u5b66\u4e60 Kubernetes \u65f6\u6709\u70b9\u665a\u4e86\u2014\u201408. \u53d1\u73b0\u4e0e\u8d1f\u8f7d\u5747\u8861 \u7b2c\u4e00\u90e8\u5206"},"content":{"rendered":"<h1>\u6545\u4e8b<\/h1>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 01. \u73af\u5883\u9009\u62e9\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 02. Docker For Mac\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 03. Raspberry Pi\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 04. kubectl\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 05. workloads\u7b2c\u4e00\u90e8\u5206\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 06. workloads\u7b2c\u4e8c\u90e8\u5206\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 07. workloads\u7b2c\u4e09\u90e8\u5206\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 08. \u53d1\u73b0\u548c\u8d1f\u8f7d\u5747\u8861\u7b2c\u4e00\u90e8\u5206\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 09. \u53d1\u73b0\u548c\u8d1f\u8f7d\u5747\u8861\u7b2c\u4e8c\u90e8\u5206\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 10. \u914d\u7f6e\u548c\u5b58\u50a8\u7b2c\u4e00\u90e8\u5206\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 11. \u914d\u7f6e\u548c\u5b58\u50a8\u7b2c\u4e8c\u90e8\u5206\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 12. \u8d44\u6e90\u9650\u5236\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 13. \u5065\u5eb7\u68c0\u67e5\u548c\u5bb9\u5668\u751f\u547d\u5468\u671f\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 14. \u8c03\u5ea6\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 15. \u5b89\u5168\u7f16\u8f91 &#8211;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 16. \u7ec4\u4ef6\u7f16\u8f91 &#8211;<\/ol>\n<h1>\u4e0a\u6b21<\/h1>\n<p>\u9519\u8fc7\u4e86 Kubernetes \u5b66\u4e60\u7684\u6700\u4f73\u65f6\u673a &#8211; \u5728\u7b2c07\u90e8\u5206\u5de5\u4f5c\u8d1f\u8f7d\u7684\u7b2c3\u8282\uff0cworkloads \u7ec8\u4e8e\u7ed3\u675f\u4e86\u3002\u672c\u6b21\uff0c\u6211\u4eec\u6253\u7b97\u7ee7\u7eed\u63a2\u8ba8\u53d1\u73b0\u548c\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n<h1>\u63a2\u7d22\u4e0eLB<\/h1>\n<p>\u5728Kubernetes\u4e2d\uff0c\u6709\u4ee5\u4e0b\u7684\u8d44\u6e90\u7c7b\u578b\u5b58\u5728\u3002<br \/>\n\u8fd9\u6b21\u6211\u4eec\u5c06\u5b66\u4e60discovery&amp;LB\u3002<\/p>\n<div>\n<div class=\"post-table\">\u30ea\u30bd\u30fc\u30b9\u306e\u5206\u985e\u5185\u5bb9Workloads\u30ea\u30bd\u30fc\u30b9\u30b3\u30f3\u30c6\u30ca\u306e\u5b9f\u884c\u306b\u95a2\u3059\u308b\u30ea\u30bd\u30fc\u30b9Discovery\uff06LB\u30ea\u30bd\u30fc\u30b9\u30b3\u30f3\u30c6\u30ca\u3092\u5916\u90e8\u516c\u958b\u3059\u308b\u3088\u3046\u306a\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u30ea\u30bd\u30fc\u30b9Config\uff06Storage\u30ea\u30bd\u30fc\u30b9\u8a2d\u5b9a\u30fb\u6a5f\u5bc6\u60c5\u5831\u30fb\u6c38\u7d9a\u5316\u30dc\u30ea\u30e5\u30fc\u30e0\u306a\u3069\u306b\u95a2\u3059\u308b\u30ea\u30bd\u30fc\u30b9Cluster\u30ea\u30bd\u30fc\u30b9\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u30af\u30a9\u30fc\u30bf\u306a\u3069\u306b\u95a2\u3059\u308b\u30ea\u30bd\u30fc\u30b9Metadata\u30ea\u30bd\u30fc\u30b9\u30ea\u30bd\u30fc\u30b9\u3092\u64cd\u4f5c\u3059\u308b\u7cfb\u7d71\u306e\u30ea\u30bd\u30fc\u30b9<\/div>\n<\/div>\n<p>\u203b Kubernetes\u7684\u5de5\u4f5c\u8d1f\u8f7d\u8d44\u6e90\uff08\u7b2c1\u90e8\u5206\uff09<\/p>\n<p>\u5728\u53d1\u73b0\u548cLB\u65b9\u9762\uff0c\u6709\u4ee5\u4e0b8\u79cd\u7c7b\u578b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Service<\/ul>\n<\/li>\n<\/ul>\n<p>ClusterIP<br \/>\nExternalIP<br \/>\nNodePort<br \/>\nLoadBalancer<br \/>\nHeadless (None)<br \/>\nExternalName<br \/>\nNone-Selector<\/p>\n<p>Ingress<\/p>\n<p>\u6211\u4f1a\u5b66\u4e60\u6709\u5173\u8be5\u670d\u52a1\u7684\u6982\u8ff0\u3002<\/p>\n<h1>Kubernetes\u548c\u7f51\u7edc<\/h1>\n<p>\u5728Kubernetes\u4e2d\uff0c\u6bcf\u4e2aPod\u90fd\u88ab\u5206\u914d\u4e86\u4e00\u4e2aIP\u5730\u5740\u3002<br \/>\n\u56e0\u6b64\uff0c\u5728\u4e0d\u540c\u7684Pod\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u65f6\uff0c\u9700\u8981\u77e5\u9053Pod\u7684IP\u5730\u5740\u3002\u53cd\u4e4b\uff0c\u5728\u540c\u4e00\u4e2aPod\u5185\u53ef\u4ee5\u4f7f\u7528localhost\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u91ca\uff0c\u6211\u4f1a\u505a\u51c6\u5907\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">apps\/v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Deployment<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sample-deployment<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">replicas<\/span><span class=\"pi\">:<\/span> <span class=\"m\">3<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sample-app<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sample-app<\/span>\r\n    <span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">containers<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">nginx-container<\/span>\r\n          <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">nginx:1.12<\/span>\r\n          <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"na\">containerPort<\/span><span class=\"pi\">:<\/span> <span class=\"m\">80<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis-container<\/span>\r\n          <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis:3.2<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> k apply <span class=\"nt\">-f<\/span> sample-deployment.yaml\r\n<span class=\"gp\">pi@raspi001:~\/tmp $<\/span> k get pods <span class=\"nt\">-l<\/span> <span class=\"nv\">app<\/span><span class=\"o\">=<\/span>sample-app <span class=\"nt\">-o<\/span> custom-columns<span class=\"o\">=<\/span><span class=\"s2\">\"NAME:{metadata.name}, IP:{status.podIP},NODE:{spec.nodeName}\"<\/span>\r\n<span class=\"go\">NAME                                 IP           NODE\r\nsample-deployment-9dc487867-h7lww   10.244.1.72   raspi002\r\nsample-deployment-9dc487867-n8x5w   10.244.2.66   raspi003\r\nsample-deployment-9dc487867-nxbxc   10.244.2.67   raspi003\r\n<\/span><\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d276137434c4406c3c188\/16-0.png\" alt=\"Kubernetes_learning-Page-2 (1).png\" \/><\/div>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5c06\u91cd\u70b9\u5173\u6ce8sample-deployment-9dc487867-n8x5w:redis\u3002<\/p>\n<p>\u203b Nginx\u5df2\u7ecf\u572880\u7aef\u53e3\u4e0a\u5f00\u653e\u3002<\/p>\n<h2>\u7b79\u5907\u5de5\u4f5c<\/h2>\n<pre class=\"post-pre\"><code><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> k <span class=\"nb\">exec<\/span> <span class=\"nt\">-it<\/span> sample-deployment-9dc487867-n8x5w <span class=\"nt\">-c<\/span> redis-container \/bin\/bash\r\n<span class=\"gp\">root@sample-deployment-9dc487867-n8x5w:\/data#<\/span> apt-get update <span class=\"o\">&amp;&amp;<\/span> apt-get <span class=\"nb\">install <\/span>curl <span class=\"nt\">-y<\/span>\r\n<span class=\"gp\">root@sample-deployment-9dc487867-n8x5w:\/data#<\/span> <span class=\"nb\">exit<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u6ca1\u6709\u5b89\u88c5curl\uff0c\u6240\u4ee5\u9700\u8981\u5b89\u88c5\u3002<\/p>\n<h2>\u4e0e\u540c\u4e00\u8282\u70b9\u4e0a\u7684\u540c\u4e00Pod\u5185\u7684\u5bb9\u5668\u8fdb\u884c\u901a\u4fe1<\/h2>\n<pre class=\"post-pre\"><code><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> k <span class=\"nb\">exec<\/span> <span class=\"nt\">-it<\/span> sample-deployment-9dc487867-n8x5w <span class=\"nt\">-c<\/span> redis-container \/bin\/bash\r\n<span class=\"gp\">root@sample-deployment-9dc487867-n8x5w:\/data#<\/span> curl localhost:80\r\n<span class=\"gp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"c\">...\r\n<\/span><\/code><\/pre>\n<p>\u597d<\/p>\n<h2>\u4e0e\u540c\u4e00\u8282\u70b9\u901a\u4fe1\u5230\u4e0d\u540c\u7684Pod\u5bb9\u5668<\/h2>\n<pre class=\"post-pre\"><code><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> k <span class=\"nb\">exec<\/span> <span class=\"nt\">-it<\/span> sample-deployment-9dc487867-n8x5w <span class=\"nt\">-c<\/span> redis-container \/bin\/bash\r\n<span class=\"gp\">root@sample-deployment-9dc487867-n8x5w:\/data#<\/span> curl 10.244.2.66:80\r\n<span class=\"gp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"c\">...\r\n<\/span><span class=\"gp\">root@sample-deployment-9dc487867-n8x5w:\/data#<\/span> curl 10.244.2.67:80\r\n<span class=\"gp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"c\">...\r\n<\/span><\/code><\/pre>\n<p>\u597d\u7684<\/p>\n<h2>\u4e0e\u4e0d\u540c\u7684\u8282\u70b9\u3001\u4e0d\u540c\u7684Pod\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1<\/h2>\n<pre class=\"post-pre\"><code><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> k <span class=\"nb\">exec<\/span> <span class=\"nt\">-it<\/span> sample-deployment-9dc487867-n8x5w <span class=\"nt\">-c<\/span> redis-container \/bin\/bash\r\n<span class=\"gp\">root@sample-deployment-9dc487867-n8x5w:\/data#<\/span> curl 10.244.1.72:80\r\n<span class=\"gp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"c\">...\r\n<\/span><\/code><\/pre>\n<p>\u597d\u7684<\/p>\n<h2>\u4eceMasterNode\u5230\u6bcf\u4e2aPod\u7684\u901a\u4fe1<\/h2>\n<pre class=\"post-pre\"><code><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> curl 10.244.1.72:80\r\n<span class=\"gp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"c\">...\r\n<\/span><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> curl 10.244.2.66:80\r\n<span class=\"gp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"c\">...\r\n<\/span><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> curl 10.244.2.67:80\r\n<span class=\"gp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"c\">...\r\n<\/span><\/code><\/pre>\n<p>\u597d\u7684<\/p>\n<p>\u6b63\u5982\u8fd9\u91cc\u6240\u793a\uff0cKubernetes\u901a\u8fc7\u6784\u5efa\u7f51\u7edc\u6765\u5b9e\u73b0Pod\u5185\u90e8\u901a\u4fe1\u3001Pod\u95f4\u901a\u4fe1\u548c\u8282\u70b9\u95f4\u901a\u4fe1\u3002<\/p>\n<h1>\u670d\u52a1<\/h1>\n<p>Service\u6709\u4ee5\u4e0b\u4e24\u4e2a\u4e3b\u8981\u529f\u80fd\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">pod\u5b9b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b5\u30fc\u30d3\u30b9\u30c7\u30a3\u30b9\u30ab\u30d0\u30ea\u3068\u30af\u30e9\u30b9\u30bf\u5185DNS<\/ul>\n<h2>pod\u7684\u7f51\u7edc\u8d1f\u8f7d\u5747\u8861<\/h2>\n<p>\u5728\u4e4b\u524d\u7684\u793a\u4f8b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7Pod\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u3002\u4f46\u662f\uff0c\u6bcf\u6b21\u91cd\u65b0\u521b\u5efaPod\u65f6\uff0cIP\u5730\u5740\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u8fd9\u5c31\u4f7f\u5f97\u81ea\u5df1\u521b\u5efa\u53d8\u5f97\u6709\u70b9\u9ebb\u70e6\u3002\u56e0\u6b64\uff0c\u8f6e\u5230Service\u767b\u573a\u4e86\u3002<br \/>\nService\u53ef\u4ee5\u81ea\u52a8\u4e3a\u591a\u4e2a\u5b58\u5728\u7684Pod\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\uff0c\u5e76\u63d0\u4f9b\u5bf9\u5916\u7684IP\u5730\u5740\uff08ExternalIP\uff09\u548c\u5185\u90e8\u7684IP\u5730\u5740\uff08ClusterIP\uff09\u3002<\/p>\n<p>\u6211\u7acb\u5373\u5c1d\u8bd5\u4e00\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Service<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sample-clusterip<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterIP<\/span>\r\n  <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">http-port\"<\/span>\r\n      <span class=\"na\">protocol<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">TCP\"<\/span>\r\n      <span class=\"na\">port<\/span><span class=\"pi\">:<\/span> <span class=\"m\">8080<\/span>\r\n      <span class=\"na\">targetPort<\/span><span class=\"pi\">:<\/span> <span class=\"m\">80<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sample-app<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u529f\u80fd\u4f1a\u5bf9\u4e0eapp=sample-app\u5339\u914d\u7684Pod\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u3002\u5b83\u4f1a\u5728\u5916\u90e8\u76d1\u542c8080\u7aef\u53e3\uff0c\u5e76\u5c06\u901a\u4fe1\u8f6c\u53d1\u5230\u5bb9\u5668\u768480\u7aef\u53e3\u3002\u7531\u4e8espec.type\u4e3aClusterIP\uff0c\u56e0\u6b64\u4f1a\u63d0\u4f9b\u4e00\u4e2a\u5185\u90e8IP\u5730\u5740\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> k apply <span class=\"nt\">-f<\/span> sample-clusterip.yaml\r\n<span class=\"gp\">pi@raspi001:~\/tmp $<\/span> k get service sample-clusterip\r\n<span class=\"go\">NAME               TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE\r\n<\/span><span class=\"gp\">sample-clusterip   ClusterIP   10.111.197.69   &lt;none&gt;<\/span>        8080\/TCP   30s\r\n<span class=\"gp\">pi@raspi001:~\/tmp $<\/span> k describe service sample-clusterip\r\n<span class=\"go\">Name:              sample-clusterip\r\n<\/span><span class=\"c\">...\r\n<\/span><span class=\"go\">Selector:          app=sample-app\r\nType:              ClusterIP\r\nIP:                10.111.197.69\r\nPort:              http-port  8080\/TCP\r\nTargetPort:        80\/TCP\r\nEndpoints:         10.244.1.72:80,10.244.2.66:80,10.244.2.67:80\r\n<\/span><span class=\"c\">...\r\n<\/span><\/code><\/pre>\n<p>\u7ed9\u5185\u5411\u670d\u52a1\u5206\u914d\u4e86IP\u5730\u574010.111.197.69\u3002\u53e6\u5916\uff0c\u8981\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u7684Pod\u662f\u4e4b\u524d\u63d0\u5230\u7684\u90a3\u4e2aPod\u7684IP\u5730\u5740\u3002<br \/>\n\u6b63\u5982\u5728Endpoints\u4e2d\u6307\u5b9a\u4e86:80\u90a3\u6837\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u7aef\u53e3\u521b\u5efa\u4e00\u4e2a\u670d\u52a1\uff08clusterIP\uff09\u3002\uff08service\u7684spec.ports\u9700\u8981\u662f\u4e00\u4e2a\u6570\u7ec4\uff09<\/p>\n<p>\u6211\u4f1a\u5c1d\u8bd5\u8bbf\u95ee\u80fd\u5426\u6210\u529f\u3002<br \/>\n\u65e2\u7136\u53ef\u4ee5\u7684\u8bdd\uff0c\u6211\u4eec\u6765\u6539\u53d8\u6bcf\u4e2apod\u7684index.html\u5185\u5bb9\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> <span class=\"k\">for <\/span>PODNAME <span class=\"k\">in<\/span> <span class=\"sb\">`<\/span>k get pods <span class=\"nt\">-l<\/span> <span class=\"nv\">app<\/span><span class=\"o\">=<\/span>sample-app <span class=\"nt\">-o<\/span> <span class=\"nv\">jsonpath<\/span><span class=\"o\">=<\/span><span class=\"s1\">'{.items[*].metadata.name}'<\/span><span class=\"sb\">`<\/span><span class=\"p\">;<\/span> <span class=\"k\">do<\/span>\r\n<span class=\"gp\">&gt;<\/span> k <span class=\"nb\">exec<\/span> <span class=\"nt\">-it<\/span> <span class=\"k\">${<\/span><span class=\"nv\">PODNAME<\/span><span class=\"k\">}<\/span> <span class=\"nt\">--<\/span> <span class=\"nb\">cp<\/span> \/etc\/hostname \/usr\/share\/nginx\/html\/index.html<span class=\"p\">;<\/span>\r\n<span class=\"gp\">&gt;<\/span> <span class=\"k\">done<\/span>\r\n<span class=\"gp\">pi@raspi001:~\/tmp $<\/span> curl 10.111.197.69:8080\r\n<span class=\"go\">sample-deployment-9dc487867-nxbxc\r\n<\/span><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> curl 10.111.197.69:8080\r\n<span class=\"go\">sample-deployment-9dc487867-n8x5w\r\n<\/span><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> curl 10.111.197.69:8080\r\n<span class=\"go\">sample-deployment-9dc487867-h7lww\r\n<\/span><\/code><\/pre>\n<p>\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\uff0c\u53ef\u4ee5\u5728Pod\u4e0a\u4ee5\u9002\u5ea6\u7684\u968f\u673a\u65b9\u5f0f\u8bbf\u95ee\u3002<br \/>\n\u5f53\u7136\uff0c\u4ece\u5916\u90e8\u65e0\u6cd5\u8bbf\u95ee\u3002<\/p>\n<p>\u53bbiMac<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">~ $<\/span> curl 10.111.197.69:8080\r\n<span class=\"gp\">#<\/span> \u8fd4\u7b54\u306a\u3057\r\n<\/code><\/pre>\n<h2>\u670d\u52a1\u53d1\u73b0\u548c\u96c6\u7fa4\u5185\u90e8DNS<\/h2>\n<p>&#8220;\u670d\u52a1\u53d1\u73b0&#8221;\u6307\u7684\u662f\u5728\u95ee\u9898\u4e2d\u5bfb\u627e\u89e3\u51b3\u65b9\u6848\u7684\u8fc7\u7a0b\u3002<br \/>\n\u5728Kubernetes\u4e2d\uff0c\u95ee\u9898\u662f\u7531\u4e8e\u670d\u52a1\u52a8\u6001\u751f\u6210\u800c\u96be\u4e8e\u786e\u5b9a\u7279\u5b9a\u670d\u52a1\u7684\u95ee\u9898\u3002<br \/>\n\u670d\u52a1\u53d1\u73b0\u7684\u65b9\u6cd5\u4e4b\u4e00\u662f\u901a\u8fc7Service\u5b9e\u73b0\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u74b0\u5883\u5909\u6570\u3092\u5229\u7528\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u30c7\u30a3\u30b9\u30ab\u30d0\u30ea<\/ul>\n<\/li>\n<\/ul>\n<p>Pod\u306bIP\u30a2\u30c9\u30ec\u30b9\u3084port,protocol\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>DNS A\u30ec\u30b3\u30fc\u30c9\u3092\u5229\u7528\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u30c7\u30a3\u30b9\u30ab\u30d0\u30ea<\/p>\n<p>Kubernetes\u5185\u306e\u30af\u30e9\u30b9\u30bf\u5185DNS\u306b\u3088\u3063\u3066\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u3088\u308b\u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u308b\u3002(\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u547d\u540d\u898f\u5247\u306b\u5f93\u3046)<\/p>\n<p>DNS SRV\u30ec\u30b3\u30fc\u30c9\u3092\u5229\u7528\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u30c7\u30a3\u30b9\u30ab\u30d0\u30ea<\/p>\n<p>IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u53d6\u5f97\u3059\u308b\u9006\u5f15\u304d\u3082\u3067\u304d\u308b\u3002<\/p>\n<p>\u5982\u679c\u6ca1\u6709\u901a\u8fc7dnsPolicy\u660e\u786e\u8bbe\u7f6e\uff0cPod\u751f\u6210\u65f6\u5c06\u4f1a\u5411\u96c6\u7fa4\u5185\u7684DNS\u6dfb\u52a0\u8bb0\u5f55\u3002<br \/>\n\u5982\u679c\u5728\u96c6\u7fa4\u5185\u7684DNS\u65e0\u6cd5\u89e3\u6790\u540d\u79f0\uff0c\u5219\u5c06\u5411\u96c6\u7fa4\u5916\u7684DNS\u53d1\u8d77\u67e5\u8be2\u3002<\/p>\n<h1>\u6574\u7406\u6574\u7406<\/h1>\n<pre class=\"post-pre\"><code><span class=\"gp\">pi@raspi001:~\/tmp $<\/span> k delete <span class=\"nt\">-f<\/span> sample-deployment.yaml <span class=\"nt\">-f<\/span> sample-clusterip.yaml\r\n<\/code><\/pre>\n<h1>\u6700\u5f8c<\/h1>\n<p>\u672c\u6b21\uff0c\u6211\u4eec\u5b66\u4e60\u4e86\u6709\u5173\u670d\u52a1\u7684\u6982\u8ff0\u3002\u5728Kubernetes\u7684\u4e16\u754c\u91cc\uff0c\u7f51\u7edc\u4f1a\u81ea\u52a8\u6784\u5efa\uff0c\u6240\u4ee5\u6211\u4eec\u4e0d\u9700\u8981\u7279\u522b\u5173\u6ce8\u3002\u5f53\u6211\u4eec\u8fdb\u4e00\u6b65\u7406\u89e3\u65f6\uff0c\u6211\u60f3\u4e86\u89e3\u7f51\u7edc\u662f\u5982\u4f55\u6784\u5efa\u7684\u4ee5\u53ca\u96c6\u7fa4\u5185DNS\u7684\u5de5\u4f5c\u539f\u7406\u3002\u4e0b\u6b21\u6211\u4eec\u4f1a\u8bb2\u5230\u8fd9\u4e2a\u8bdd\u9898\u3002<\/p>\n<p>\u5f53\u4f60\u8fdb\u884c\u7ed8\u753b\u5e76\u8f93\u51fa\u4f5c\u54c1\u65f6\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u52a0\u6df1\u7406\u89e3\uff0c\u6240\u4ee5\u6211\u63a8\u8350\u8fd9\u6837\u505a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6545\u4e8b \u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 01. \u73af\u5883\u9009\u62e9\u7f16\u8f91 &#8211; &nbsp; [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36115","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5f00\u59cb\u5b66\u4e60 Kubernetes \u65f6\u6709\u70b9\u665a\u4e86\u2014\u201408. \u53d1\u73b0\u4e0e\u8d1f\u8f7d\u5747\u8861 \u7b2c\u4e00\u90e8\u5206 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5f00\u59cb\u5b66\u4e60-kubernetes-\u65f6\u6709\u70b9\u665a\u4e86-08-\u53d1\u73b0\u4e0e\u8d1f\u8f7d\u5747\u8861-\u7b2c\u4e00\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5f00\u59cb\u5b66\u4e60 Kubernetes \u65f6\u6709\u70b9\u665a\u4e86\u2014\u201408. \u53d1\u73b0\u4e0e\u8d1f\u8f7d\u5747\u8861 \u7b2c\u4e00\u90e8\u5206\" \/>\n<meta property=\"og:description\" content=\"\u6545\u4e8b \u4e00\u6b65\u6b65\u8fdf\u5230\u5730\u5b66\u4e60Kubernetes &#8211; 01. \u73af\u5883\u9009\u62e9\u7f16\u8f91 &#8211; &nbsp; [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5f00\u59cb\u5b66\u4e60-kubernetes-\u65f6\u6709\u70b9\u665a\u4e86-08-\u53d1\u73b0\u4e0e\u8d1f\u8f7d\u5747\u8861-\u7b2c\u4e00\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-02T22:26:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-03T23:20:49+00:00\" \/>\n<meta property=\"og:image\" 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