{"id":36130,"date":"2023-07-14T16:53:57","date_gmt":"2023-04-20T11:14:58","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes%e7%9a%84%e5%af%86%e9%92%a5%e6%98%af%e5%90%a6%e7%9c%9f%e7%9a%84%e5%ae%89%e5%85%a8%ef%bc%9f\/"},"modified":"2024-04-30T13:33:47","modified_gmt":"2024-04-30T05:33:47","slug":"kubernetes%e7%9a%84%e5%af%86%e9%92%a5%e6%98%af%e5%90%a6%e7%9c%9f%e7%9a%84%e5%ae%89%e5%85%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes%e7%9a%84%e5%af%86%e9%92%a5%e6%98%af%e5%90%a6%e7%9c%9f%e7%9a%84%e5%ae%89%e5%85%a8%ef%bc%9f\/","title":{"rendered":"Kubernetes\u7684\u5bc6\u94a5\u662f\u5426\u771f\u7684\u5b89\u5168\uff1f"},"content":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662f Kubernetes Advent Calendar \u7b2c12\u5929\u7684\u6587\u7ae0\u3002<\/p>\n<h1>\u6982\u8ff0<\/h1>\n<p>\u5728\u6307\u5b9aKubernetes\u7684Pod\u4e2d\u7684\u5bc6\u7801\u6216\u4ee4\u724c\u65f6\uff0c\u8bf7\u4f7f\u7528Secret\u3002\uff08\u800c\u4e14\u8bf7\u4f7f\u7528\u5b83\uff09<br \/>\n\u8bf7\u6ce8\u610f\u4e0d\u8981\u5c06\u542b\u6709\u654f\u611f\u4fe1\u606f\u7684\u5bb9\u5668\u4e0a\u4f20\u5230DockerHub\u7b49\u5730\uff0c\u4ee5\u907f\u514d\u9677\u5165\u9ebb\u70e6\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u55ef\uff0c\u9019\u7bc7\u6587\u7ae0\u7684\u4e3b\u984c\u662f&#8221;Kubernetes\u7684Secret\u771f\u7684\u5b89\u5168\u55ce&#8221;\u3002<br \/>\n\u78ba\u5be6\uff0c\u5728Kubernetes\u4e0a\u4f5c\u70ba\u4e00\u500b\u529f\u80fd\u5b58\u5728\uff0c\u4f46\u5b83\u771f\u7684\u80fd\u5920\u78ba\u4fdd\u5b89\u5168\u6027\u55ce\uff1f<br \/>\n\u800c\u4e14\uff0c\u5982\u679c\u7bc0\u9ede\u53d7\u5230\u653b\u64ca\uff0cSecret\u7684\u6578\u64da\u80fd\u5920\u4fdd\u8b77\u5230\u4ec0\u9ebc\u7a0b\u5ea6\u5462\uff1f<\/p>\n<p>\u5e0c\u671b\u80fd\u591f\u6839\u636e\u5b98\u65b9\u6587\u4ef6\u4ecb\u7ecd\u5f53\u524d\u7684\u79d8\u5bc6\u60c5\u51b5\u3002\u867d\u7136\u4f5c\u8005\u8fd8\u5f88\u83dc\uff0c\u53ef\u80fd\u4f1a\u6709\u9519\u8bef\uff0c\u4f46\u8fd8\u8bf7\u7528\u6e29\u6696\u7684\u773c\u5149\u548c\u53cb\u5584\u7684\u8bc4\u8bba\u6765\u6307\u51fa\uff0c\u8c22\u8c22\uff01<\/p>\n<h1>\u8fd9\u662f\u4e00\u4e2a\u5173\u4e8e&#8221;Secret&#8221;\u7684\u95ee\u9898\u3002<\/h1>\n<p>\u7531\u4e8e\u53c2\u8003\u7f51\u7ad9\u66f4\u52a0\u8be6\u7ec6\uff0c\u6240\u4ee5\u8be6\u7ec6\u5185\u5bb9\u8bf7\u8f6c\u81f3\u8be5\u7f51\u7ad9\u3002<br \/>\n\u603b\u4f53\u6765\u8bf4\uff0c\u5927\u81f4\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4f5c\u6210\u3057\u305fsecret\u306fKubernetes\u306eetcd\u4e0a\u306bplain-text\u5f62\u5f0f\u3067\u4fdd\u5b58\u3055\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Node\u3067\u306fpod\u306etmpfs\u4e0a\u306b\u4fdd\u5b58\u3055\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Node Authorization\u6a5f\u80fd(v1.7\u301c)\u306b\u3088\u308a\u3001Node \u306f\u5272\u308a\u5f53\u3066\u3089\u308c\u305f Pod \u304c\u53c2\u7167\u3059\u308b Secret \u4ee5\u5916\u306b\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3002<\/ul>\n<p>\u603b\u7ed3\u4e00\u4e0b\uff0c\u539f\u59cb\u6570\u636e\u5b58\u50a8\u5728etcd\u4e0a\uff0c\u800c\u4e0d\u5b58\u50a8\u5728Master\u8282\u70b9\u4e0a\u3002\u53ea\u6709\u5f15\u7528\u5bc6\u94a5\u7684Pod\u6240\u5728\u7684Node\u8282\u70b9\u4e0a\u7684tmpfs\u4e0a\u5b58\u5728\u8be5\u6570\u636e\uff08\u6570\u636e\u4e0d\u4fdd\u5b58\u5728\u78c1\u76d8\u4e0a\uff09\u3002\u901a\u4fe1\u91c7\u7528https\u534f\u8bae\uff08etcd\/Master\/Node\u4e4b\u95f4\u7684\u901a\u4fe1\u5747\u91c7\u7528https\uff09\u3002\u203b \u5982\u679c\u6b63\u786e\u8bbe\u7f6e\u4e86\u3002<\/p>\n<p>\u770b\u8d77\u6765\u76f8\u5f53\u5b89\u5168\u3002<\/p>\n<h4>\u8bf7\u60a8\u53c2\u7167\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/h4>\n<p>\u5b98\u65b9\u6587\u6863\uff08https:\/\/kubernetes.io\/docs\/concepts\/configuration\/secret\/\uff09<br \/>\nSecret\uff08https:\/\/ubiteku.oinker.me\/2017\/03\/01\/kubernetes-secrets\/\uff09<br \/>\n\u8282\u70b9\u6388\u6743\uff08https:\/\/qiita.com\/tkusumi\/items\/f6a4f9150aa77d8f9822\uff09<\/p>\n<h1>Secret\u7684\u4fdd\u5bc6\u6027<\/h1>\n<p>\u4e0d\u8fc7\uff0cSecret\u4ee5\u660e\u6587\u5f62\u5f0f\u5b58\u50a8\u5728etcd\u4e0a\u8ba9\u4eba\u62c5\u5fe7\u3002<br \/>\n\u867d\u7136\u5b98\u65b9\u6587\u6863\u4e2d\u63d0\u5230\u4e3a\u4e86\u5b89\u5168\u8d77\u89c1\u9700\u8981\u6b63\u786e\u8bbe\u7f6eetcd\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u4f46\u662f\u5426\u53ef\u4ee5\u66f4\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5b89\u5168\u6027\u5462\uff1f<\/p>\n<p>\u4eceKubernetes 1.7\u5f00\u59cb\uff0c\u5df2\u7ecf\u5f00\u53d1\u51fa\u4e86\u5bf9etcd\u8fdb\u884c\u52a0\u5bc6\u7684\u529f\u80fd\u3002<br \/>\n\u4f7f\u7528\u8fd9\u4e2a\u529f\u80fd\u53ef\u4ee5\u66f4\u5b89\u5168\u5730\u7ba1\u7406Secret\u3002<br \/>\n\u622a\u6b622017\u5e7412\u6708\uff08v1.8\uff09\uff0c\u8fd9\u4ecd\u7136\u662f\u4e00\u4e2aalpha\u7ea7\u522b\u7684\u529f\u80fd\u3002<br \/>\n\u5b98\u65b9\u6587\u6863\uff08https:\/\/kubernetes.io\/docs\/tasks\/administer-cluster\/encrypt-data\/\uff09<\/p>\n<h1>\u67e5\u8be2etcd\u7684\u5185\u5bb9\u65b9\u6cd5<\/h1>\n<p>\u73b0\u5728\u5f00\u59cb\u9a8c\u8bc1\u5b9e\u673a\u3002\u5728\u4f7f\u7528etcd\u7684\u52a0\u5bc6\u529f\u80fd\u4e4b\u524d\uff0c\u5148\u6765\u786e\u8ba4\u4e00\u4e0b\uff0c\u5982\u679c\u4ec0\u4e48\u90fd\u4e0d\u505a\uff0c\u5bc6\u7801\u7b49\u662f\u5426\u4f1a\u4ee5\u539f\u59cb\u6570\u636e\u7684\u5f62\u5f0f\u4fdd\u5b58\u3002<\/p>\n<h2>\u786e\u8ba4\u521b\u5efa\u4e00\u4e2aKubernetes\u96c6\u7fa4\u3002<\/h2>\n<p>\u4f7f\u7528Vagrant\u548ckubeadm\u5feb\u901f\u521b\u5efa\u7528\u4e8e\u9a8c\u8bc1\u7684Kubernetes\u96c6\u7fa4\u5427\u3002<br \/>\n\u203b\u5f88\u62b1\u6b49\uff0c\u8fd9\u53ea\u662f\u4e3a\u4e86\u9a8c\u8bc1\u800c\u5df2\uff0c\u5982\u679c\u5728\u8bfb\u8005\u7684\u73af\u5883\u4e2d\u65e0\u6cd5\u8fd0\u884c\u7684\u8bdd\uff0c\u8bf7\u539f\u8c05\uff08\u5927\u6982\u5728\u91cd\u542f\u865a\u62df\u673a\u540e\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\u2190\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>vagrant box add centos7 https:\/\/github.com\/holms\/vagrant-centos7-box\/releases\/download\/7.1.1503.001\/CentOS-7.1.1503-x86_64-netboot.box\r\nvagrant up (\u203bVagrantfile\u306f\u4e0b\u8a18\u53c2\u7167)\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>Vagrant.configure(\"2\") do |config|\r\n  config.vm.box = \"centos7\"\r\n  config.vm.network \"private_network\", ip: \"192.168.33.10\"\r\n  config.vm.provider \"virtualbox\" do |vb|\r\n    vb.memory = \"2048\"\r\n  end\r\nend\r\n<\/code><\/pre>\n<p>\u4f7f\u7528SSH\u8fde\u63a5\u5230\u865a\u62df\u673a\u540e\u7684\u6b65\u9aa4\u3002<\/p>\n<pre class=\"post-pre\"><code>[vagrant@localhost ~]# sudo su -\r\n[root@localhost ~]# yum update -y &amp;&amp; yum install -y docker etcd\r\n[root@localhost ~]# swapoff -a\r\n[root@localhost ~]# systemctl stop firewalld &amp;&amp; systemctl disable firewalld\r\n[root@localhost ~]# sysctl -w net.bridge.bridge-nf-call-iptables=1\r\n[root@localhost ~]# cat &lt;&lt;EOF &gt; \/etc\/yum.repos.d\/kubernetes.repo\r\n[kubernetes]\r\nname=Kubernetes\r\nbaseurl=http:\/\/yum.kubernetes.io\/repos\/kubernetes-el7-x86_64\r\nenabled=1\r\ngpgcheck=1\r\nrepo_gpgcheck=1\r\ngpgkey=https:\/\/packages.cloud.google.com\/yum\/doc\/yum-key.gpg\r\n        https:\/\/packages.cloud.google.com\/yum\/doc\/rpm-package-key.gpg\r\nEOF\r\n\r\n[root@localhost ~]# yum install -y kubelet kubeadm kubectl\r\n\r\n[root@localhost ~]# systemctl enable docker &amp;&amp; systemctl start docker\r\n[root@localhost ~]# systemctl enable kubelet\r\n\r\n[root@localhost ~]# systemctl enable etcd &amp;&amp; systemctl start etcd\r\n\r\n[root@localhost ~]# cat &lt;&lt;EOF &gt; etcd-conf.yaml\r\napiVersion: kubeadm.k8s.io\/v1alpha1\r\nkind: MasterConfiguration\r\napi:\r\n  advertiseAddress: 192.168.33.10\r\netcd:\r\n  endpoints:\r\n  - http:\/\/127.0.0.1:2379\r\nnetworking:\r\n  podSubnet: 10.244.0.0\/16\r\nEOF\r\n\r\n[root@localhost ~]# kubeadm init --config=etcd-conf.yaml\r\n\r\n[root@localhost ~]# kubectl apply -f https:\/\/raw.githubusercontent.com\/coreos\/flannel\/v0.9.1\/Documentation\/kube-flannel.yml --kubeconfig=\/etc\/kubernetes\/admin.conf\r\n[root@localhost ~]# kubectl taint node localhost.localdomain node-role.kubernetes.io\/master --kubeconfig=\/etc\/kubernetes\/admin.conf\r\n\r\n<\/code><\/pre>\n<h2>\u521b\u5efa\u79d8\u5bc6\u6570\u636e<\/h2>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728\u96c6\u7fa4\u4e2d\u521b\u5efa\u4e00\u4e2a\u6837\u672c\u7684\u5bc6\u94a5\u3002<br \/>\n\u5bc6\u94a5\u53ef\u4ee5\u662f\u4efb\u610f\u7684\uff0c\u4f46\u662f\u8fd9\u6b21\u6211\u4eec\u5c06\u4f7f\u7528password: &#8220;ilovejapan&#8221;\u3002<\/p>\n<pre class=\"post-pre\"><code>echo \"ilovejapan\" | base64\r\nvi secret.yaml\r\n  \u203byaml\u30d5\u30a1\u30a4\u30eb\u306f\u4ee5\u4e0b\u3092\u53c2\u7167\r\nkubectl create -f secret.yaml\r\n<\/code><\/pre>\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\">Secret<\/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\">mysecret<\/span>\r\n<span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Opaque<\/span>\r\n<span class=\"na\">data<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">password<\/span><span class=\"pi\">:<\/span> <span class=\"s\">aWxvdmVqYXBhbgo=<\/span>\r\n<\/code><\/pre>\n<h2>\u786e\u8ba4etcd\u4e0a\u7684\u6570\u636e<\/h2>\n<p>\u5728etcd\u4e0a\u786e\u8ba4\u6570\u636e\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a<br \/>\n(1) \u76f4\u63a5\u67e5\u770b\u4e8c\u8fdb\u5236\u6587\u4ef6<\/p>\n<pre class=\"post-pre\"><code>hexdump -C \/var\/lib\/etcd\/default.etcd\/member\/snap\/db | grep \"ilovejapan\"\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>000dc2b0  6f 72 64 12 0b 69 6c 6f  76 65 6a 61 70 61 6e 0a  |ord..ilovejapan.|\r\n<\/code><\/pre>\n<p>\u7528etcdctl\u547d\u4ee4\u67e5\u770b<\/p>\n<pre class=\"post-pre\"><code>ETCDCTL_API=3 etcdctl get --prefix \/registry\/secrets\/default\/mysecret | hexdump -C\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>00000000  2f 72 65 67 69 73 74 72  79 2f 73 65 63 72 65 74  |\/registry\/secret|\r\n00000010  73 2f 64 65 66 61 75 6c  74 2f 6d 79 73 65 63 72  |s\/default\/mysecr|\r\n00000020  65 74 0a 6b 38 73 00 0a  0c 0a 02 76 31 12 06 53  |et.k8s.....v1..S|\r\n00000030  65 63 72 65 74 12 70 0a  4d 0a 08 6d 79 73 65 63  |ecret.p.M..mysec|\r\n00000040  72 65 74 12 00 1a 07 64  65 66 61 75 6c 74 22 00  |ret....default\".|\r\n00000050  2a 24 32 32 39 35 65 31  39 63 2d 64 34 32 38 2d  |*$2295e19c-d428-|\r\n00000060  31 31 65 37 2d 61 33 32  35 2d 30 38 30 30 32 37  |11e7-a325-080027|\r\n00000070  36 62 35 37 38 38 32 00  38 00 42 08 08 ea f8 f4  |6b57882.8.B.....|\r\n00000080  d0 05 10 00 7a 00 12 17  0a 08 70 61 73 73 77 6f  |....z.....passwo|\r\n00000090  72 64 12 0b 69 6c 6f 76  65 6a 61 70 61 6e 0a 1a  |rd..ilovejapan..|\r\n000000a0  06 4f 70 61 71 75 65 1a  00 22 00 0a              |.Opaque..\"..|\r\n000000ac\r\n<\/code><\/pre>\n<h1>etcd\u7684\u52a0\u5bc6<\/h1>\n<p>\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528etcd\u4e0a\u7684\u4efb\u610f\u76ee\u5f55\uff08\u203b\uff09\u8fdb\u884c\u52a0\u5bc6\u529f\u80fd\u3002<br \/>\n\u8fd9\u4e2a\u529f\u80fd\u5927\u6982\u53ef\u4ee5\u8fd9\u6837\u8bf4\uff0c\u5c31\u662f\u4f7f\u7528yaml\u683c\u5f0f\u6765\u5199\u52a0\u5bc6\u65b9\u5f0f\u548c\u5bf9\u79f0\u5bc6\u94a5\u7684\u5bc6\u94a5\u6587\u4ef6\uff0c\u7136\u540e\u8ba9apiserver\u8bfb\u53d6\u5b83\u3002<br \/>\n\u203b\uff1a\u4eceetcd v3\u5f00\u59cb\uff0c\u76ee\u5f55\u7684\u6982\u5ff5\u5df2\u7ecf\u6d88\u5931\u4e86\uff0c\u6240\u4ee5\u4e25\u683c\u6765\u8bf4\u4e0d\u662f\u76ee\u5f55\u3002<br \/>\n\u4e3a\u4e86\u4f7f\u7528etcd\u7684\u52a0\u5bc6\u529f\u80fd\uff0c\u9700\u8981\u5728kube-apiserver\u4e0a\u4f7f\u7528&#8211;experimental-encryption-provider-config=&#8221;config\u6587\u4ef6&#8221;\u9009\u9879\u6765\u542f\u52a8\u3002<br \/>\n\u5bf9\u4e8ekubeadm\uff0c\u4e3a\u4e86\u5c06config\u6587\u4ef6\u4f20\u9012\u7ed9apiserver\uff0c\u8fd8\u9700\u6302\u8f7dHostPath\u3002<br \/>\n\u672c\u6b21\u5bc6\u7801\u662f\u6839\u636e\u5b98\u65b9\u7f51\u7ad9\u7684\u6307\u793a\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code>head -c 32 \/dev\/urandom | base64\r\n<\/code><\/pre>\n<p>yaml\u7684\u683c\u5f0f\u5982\u4e0b\u6240\u793a\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\">Pod<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">annotations<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"s\">scheduler.alpha.kubernetes.io\/critical-pod<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">\"<\/span>\r\n  <span class=\"na\">creationTimestamp<\/span><span class=\"pi\">:<\/span> <span class=\"no\">null<\/span>\r\n  <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">component<\/span><span class=\"pi\">:<\/span> <span class=\"s\">kube-apiserver<\/span>\r\n    <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">control-plane<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">kube-apiserver<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">kube-system<\/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\">command<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">kube-apiserver<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--experimental-encryption-provider-config=\/etc\/kubernetes\/enc-conf.yaml<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--tls-private-key-file=\/etc\/kubernetes\/pki\/apiserver.key<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--secure-port=6443<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--requestheader-client-ca-file=\/etc\/kubernetes\/pki\/front-proxy-ca.crt<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--admission-control=Initializers,NamespaceLifecycle,LimitRanger,ServiceAccount,PersistentVolumeLabel,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,ResourceQuota<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--requestheader-allowed-names=front-proxy-client<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--service-cluster-ip-range=10.96.0.0\/12<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--tls-cert-file=\/etc\/kubernetes\/pki\/apiserver.crt<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--proxy-client-cert-file=\/etc\/kubernetes\/pki\/front-proxy-client.crt<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--allow-privileged=true<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--advertise-address=192.168.33.10<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--kubelet-client-certificate=\/etc\/kubernetes\/pki\/apiserver-kubelet-client.crt<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--kubelet-client-key=\/etc\/kubernetes\/pki\/apiserver-kubelet-client.key<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--client-ca-file=\/etc\/kubernetes\/pki\/ca.crt<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--proxy-client-key-file=\/etc\/kubernetes\/pki\/front-proxy-client.key<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--enable-bootstrap-token-auth=true<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--requestheader-username-headers=X-Remote-User<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--requestheader-group-headers=X-Remote-Group<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--requestheader-extra-headers-prefix=X-Remote-Extra-<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--insecure-port=0<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--service-account-key-file=\/etc\/kubernetes\/pki\/sa.pub<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--authorization-mode=Node,RBAC<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">--etcd-servers=http:\/\/127.0.0.1:2379<\/span>\r\n    <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">gcr.io\/google_containers\/kube-apiserver-amd64:v1.8.4<\/span>\r\n    <span class=\"na\">livenessProbe<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">failureThreshold<\/span><span class=\"pi\">:<\/span> <span class=\"m\">8<\/span>\r\n      <span class=\"na\">httpGet<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">host<\/span><span class=\"pi\">:<\/span> <span class=\"s\">127.0.0.1<\/span>\r\n        <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/healthz<\/span>\r\n        <span class=\"na\">port<\/span><span class=\"pi\">:<\/span> <span class=\"m\">6443<\/span>\r\n        <span class=\"na\">scheme<\/span><span class=\"pi\">:<\/span> <span class=\"s\">HTTPS<\/span>\r\n      <span class=\"na\">initialDelaySeconds<\/span><span class=\"pi\">:<\/span> <span class=\"m\">15<\/span>\r\n      <span class=\"na\">timeoutSeconds<\/span><span class=\"pi\">:<\/span> <span class=\"m\">15<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">kube-apiserver<\/span>\r\n    <span class=\"na\">resources<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">requests<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">cpu<\/span><span class=\"pi\">:<\/span> <span class=\"s\">250m<\/span>\r\n    <span class=\"na\">volumeMounts<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/etc\/kubernetes<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">k8s-conf<\/span>\r\n      <span class=\"na\">readOnly<\/span><span class=\"pi\">:<\/span> <span class=\"no\">true<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/etc\/kubernetes\/pki<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">k8s-certs<\/span>\r\n      <span class=\"na\">readOnly<\/span><span class=\"pi\">:<\/span> <span class=\"no\">true<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/etc\/ssl\/certs<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ca-certs<\/span>\r\n      <span class=\"na\">readOnly<\/span><span class=\"pi\">:<\/span> <span class=\"no\">true<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/etc\/pki<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ca-certs-etc-pki<\/span>\r\n      <span class=\"na\">readOnly<\/span><span class=\"pi\">:<\/span> <span class=\"no\">true<\/span>\r\n  <span class=\"na\">hostNetwork<\/span><span class=\"pi\">:<\/span> <span class=\"no\">true<\/span>\r\n  <span class=\"na\">volumes<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">hostPath<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/etc\/kubernetes<\/span>\r\n      <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">DirectoryOrCreate<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">k8s-conf<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">hostPath<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/etc\/kubernetes\/pki<\/span>\r\n      <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">DirectoryOrCreate<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">k8s-certs<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">hostPath<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/etc\/ssl\/certs<\/span>\r\n      <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">DirectoryOrCreate<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ca-certs<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">hostPath<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/etc\/pki<\/span>\r\n      <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">DirectoryOrCreate<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ca-certs-etc-pki<\/span>\r\n<span class=\"na\">status<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">{}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">EncryptionConfig<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">resources<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">resources<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">secrets<\/span>\r\n    <span class=\"na\">providers<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">aescbc<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">keys<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">key1<\/span>\r\n          <span class=\"na\">secret<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cSNmGdfrr\/IZeYN9npkl3F7\/ScQcer2We9VxmM4X5ww=<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">identity<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">{}<\/span>\r\n<\/code><\/pre>\n<p>\u7136\u540e\u91cd\u65b0\u542f\u52a8 kube-apiserver\u3002<\/p>\n<pre class=\"post-pre\"><code>systemctl restart kubelet\r\n<\/code><\/pre>\n<p>\u5f53\u6211\u518d\u6b21\u5c1d\u8bd5\u68c0\u67e5etcd\u7684\u5185\u5bb9\u65f6&#8230;&#8230;<\/p>\n<pre class=\"post-pre\"><code>ETCDCTL_API=3 etcdctl get --prefix \/registry\/secrets\/default\/mysecret | hexdump -C\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>00000000  2f 72 65 67 69 73 74 72  79 2f 73 65 63 72 65 74  |\/registry\/secret|\r\n00000010  73 2f 64 65 66 61 75 6c  74 2f 6d 79 73 65 63 72  |s\/default\/mysecr|\r\n00000020  65 74 0a 6b 38 73 3a 65  6e 63 3a 61 65 73 63 62  |et.k8s:enc:aescb|\r\n00000030  63 3a 76 31 3a 6b 65 79  31 3a 55 55 5d 34 1e 5d  |c:v1:key1:UU]4.]|\r\n00000040  72 67 0e be ef 16 5b d3  0c 08 36 42 2f 7c 92 1b  |rg....[...6B\/|..|\r\n00000050  70 29 1f 67 0b 79 9c 29  2d 4c 1c ef 8a 7b 66 2b  |p).g.y.)-L...{f+|\r\n00000060  0a a8 8a 1e 5e 72 e5 6a  50 52 62 1e 8a 80 58 6d  |....^r.jPRb...Xm|\r\n00000070  99 5c d3 21 50 a1 08 14  b5 be 7d a1 1f 73 78 22  |.\\.!P.....}..sx\"|\r\n00000080  7d c4 33 b5 eb 8a f1 dd  32 e2 c3 cc 1f 64 e0 f1  |}.3.....2....d..|\r\n00000090  6d aa 49 56 31 93 79 19  cf 53 dc 0b db a7 60 8b  |m.IV1.y..S....`.|\r\n000000a0  a7 ad ad 33 2a 5d 3a 1b  e2 15 91 9d d5 e3 c5 ea  |...3*]:.........|\r\n000000b0  fc 6b d4 21 33 a0 2e 80  3f 1d a8 0b f5 b4 98 98  |.k.!3...?.......|\r\n000000c0  1c 2a 00 1d d7 e6 55 f9  88 35 c2 c6 a3 b3 20 63  |.*....U..5.... c|\r\n000000d0  e8 2e eb af 1f bc 6b 92  d8 72 0a                 |......k..r.|\r\n000000db\r\n<\/code><\/pre>\n<p>\u65e0\u6cd5\u770b\u5230\u65e0\u4e8b\u5bc6\u7801\u4e86\u3002<\/p>\n<h1>\u7efc\u5408\u8bc4\u4ef7<\/h1>\n<p>\u5982\u679c\u6b63\u786e\u8bbe\u7f6e\uff0cKubernetes\u7684Secret\u529f\u80fd\u975e\u5e38\u4e30\u5bcc\u4e14\u770b\u8d77\u6765\u5f88\u5b89\u5168\u3002<br \/>\n\u4f46\u662fKubernetes\u4e0d\u4ec5\u4ec5\u662f\u8bbe\u7f6eSecret\uff0c\u8bbe\u7f6e\u6b63\u786e\u662f\u975e\u5e38\u56f0\u96be\u7684&#8230;&#8230;<br \/>\n\u5982\u679c\u80fd\u66f4\u7b80\u5355\u5730\u8bbe\u8ba1\u4e00\u4e2a\u5b89\u5168\u7684\u96c6\u7fa4\u5c31\u592a\u597d\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662f Kubernetes Advent Calendar \u7b2c12\u5929\u7684\u6587\u7ae0\u3002 \u6982\u8ff0 \u5728\u6307\u5b9aKuberne [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36130","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>Kubernetes\u7684\u5bc6\u94a5\u662f\u5426\u771f\u7684\u5b89\u5168\uff1f - 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\/kubernetes\u7684\u5bc6\u94a5\u662f\u5426\u771f\u7684\u5b89\u5168\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kubernetes\u7684\u5bc6\u94a5\u662f\u5426\u771f\u7684\u5b89\u5168\uff1f\" \/>\n<meta property=\"og:description\" content=\"\u8fd9\u7bc7\u6587\u7ae0\u662f Kubernetes Advent Calendar \u7b2c12\u5929\u7684\u6587\u7ae0\u3002 \u6982\u8ff0 \u5728\u6307\u5b9aKuberne [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes\u7684\u5bc6\u94a5\u662f\u5426\u771f\u7684\u5b89\u5168\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-04-20T11:14:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-30T05:33:47+00:00\" \/>\n<meta name=\"author\" content=\"\u9038, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u9038, \u79d1\" \/>\n\t<meta name=\"twitter:label2\" 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