{"id":35800,"date":"2023-08-14T20:55:17","date_gmt":"2022-12-03T20:15:57","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8-kvm-%e4%b8%8a%e6%90%ad%e5%bb%ba-kubernetes\/"},"modified":"2024-04-30T18:34:46","modified_gmt":"2024-04-30T10:34:46","slug":"%e5%9c%a8-kvm-%e4%b8%8a%e6%90%ad%e5%bb%ba-kubernetes","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8-kvm-%e4%b8%8a%e6%90%ad%e5%bb%ba-kubernetes\/","title":{"rendered":"\u5728 KVM \u4e0a\u642d\u5efa Kubernetes"},"content":{"rendered":"<p>\u5728KVM\u4e0a\u642d\u5efaKubernetes\u3002<\/p>\n<p>Kubernetes Istio Calico \u9e1f BGP<\/p>\n<h5>\u25cf \u5728Kubernetes\u4e2d\u60f3\u8981\u505a\u4ec0\u4e48\u3002<\/h5>\n<p>\u6211\u7279\u522b\u6ca1\u6709\u4efb\u4f55\u60f3\u505a\u7684\u4e8b\u60c5\u3002\u4f5c\u4e3a\u4e00\u540d\u57fa\u7840\u8bbe\u65bd\u5de5\u7a0b\u5e08\uff0c\u6211\u5f00\u59cb\u5b66\u4e60\u5173\u4e8eKubernetes\u7684\u77e5\u8bc6\u3002\u6211\u9009\u62e9\u5728\u5bb6\u91cc\u7684\u4e2a\u4eba\u7535\u8111\u7684KVM\u4e0a\u6765\u8fdb\u884c\u8fd9\u4e2a\u73af\u5883\u7684\u642d\u5efa\u3002<\/p>\n<p>\u64cd\u4f5c\u7cfb\u7edf\u662f\u4f7f\u7528\u4ee5\u4e0b\u64cd\u4f5c\u7cfb\u7edf\u7684\u5168\u90e8\uff0c\u5305\u62ec\u4e3b\u673a\u3002<br \/>\nCentOS Linux \u53d1\u884c\u7248 7.6.1810 (Core)<\/p>\n<p>\u5728KVM\u4e0a\u521b\u5efa\u4ee5\u4e0b\u7684\u865a\u62df\u673a\uff1a<br \/>\n\u684c\u9762\uff1a2\u4e2aCPU\u30014GB\u5185\u5b58\u300150GB\u786c\u76d8<br \/>\nKubernetes\u4e3b\u8282\u70b9\uff1a2\u4e2aCPU\u30014GB\u5185\u5b58\u300150GB\u786c\u76d8\u3001192.168.122.100\u3001master.testk.jp<br \/>\nKubernetes\u8282\u70b901\uff1a2\u4e2aCPU\u30014GB\u5185\u5b58\u300120GB\u786c\u76d8\u3001192.168.122.101\u3001node01.testk.jp<br \/>\nKubernetes\u8282\u70b902\uff1a2\u4e2aCPU\u30014GB\u5185\u5b58\u300120GB\u786c\u76d8\u3001192.168.122.102\u3001node02.testk.jp<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0cKVM\u76f8\u5173\u7684\u8f6f\u4ef6\u5305\u90fd\u662f\u901a\u8fc7yum\u8fdb\u884c\u5b89\u88c5\u7684\u3002<\/p>\n<h5>\u25cf \u7c21\u8981\u4ecb\u7d39\u5c0e\u5165\u6b65\u9a5f<\/h5>\n<p>\u4ee5\u4e0b\u662f\u6309\u7167\u987a\u5e8f\u8fdb\u884c\u4ecb\u7ecd\uff1a<br \/>\n1. \u64cd\u4f5c\u7cfb\u7edf\u8bbe\u7f6e<br \/>\n2. \u5b89\u88c5Docker<br \/>\n3. \u5b89\u88c5Kubernetes<br \/>\n4. \u8bbe\u7f6eKubernetes\u4e3b\u8282\u70b9<br \/>\n5. \u5b89\u88c5Calico<br \/>\n6. \u52a0\u5165Kubernetes\u8282\u70b9<br \/>\n7. \u521b\u5efakiali\u5bc6\u94a5<br \/>\n8. \u5b89\u88c5Istio<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d254e37434c4406c327af\/9-0.png\" alt=\"Kubernetes-Kubernetes02.png\" \/><\/div>\n<p>\u5728\u547d\u4ee4\u8868\u793a\u4e2d\uff0c\u6267\u884c\u7528\u6237\u5c06\u5728\u5f00\u5934\u8fdb\u884c\u533a\u5206\u3002<br \/>\n# root \u7528\u6237<br \/>\n$ kubernetes \u7528\u6237 ( kuberus )<\/p>\n<p>\u5728\u5b89\u88c5 Kubernetes \u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5728\u4e3b\u8282\u70b9 node01 \u548c node02 \u4e0a\u90fd\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<h5>1. \u64cd\u4f5c\u7cfb\u7edf\u8bbe\u7f6e<\/h5>\n<p>\u5728\u5f15\u5165Kubernetes\u4e4b\u524d\uff0c\u9700\u8981\u8fdb\u884c\u5fc5\u8981\u7684\u914d\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code>\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\r\n# yum -y update\r\nhosts \u767b\u9332\r\n# cat &lt;&lt; EOF &gt;&gt; \/etc\/hosts\r\n\r\n192.168.122.100    master.testk.jp\r\n192.168.122.101    node01.testk.jp\r\n192.168.122.102    node02.testk.jp\r\nEOF\r\n\r\n\u30b0\u30eb\u30fc\u30d7\u8ffd\u52a0\r\n# groupadd -g 3000 kubergr\r\n\r\n\u30e6\u30fc\u30b6\u8ffd\u52a0\r\n# useradd -g 3000 -u 3001 kuberus\r\n# passwd kuberus\r\n\r\nsudo \u5b9f\u884c\u53ef\u80fd\u306b\r\n# gpasswd -a kuberus wheel\r\n\r\n\u25cf SELinux \u3092\u7121\u52b9\u5316\r\n# sed -i -e \"s\/SELINUX=enforcing\/SELINUX=disabled\/\" \/etc\/selinux\/config\r\n# setenforce 0\r\n\r\nfirewalld \u3092\u7121\u52b9\u5316\r\n# systemctl disable firewalld &amp;&amp; systemctl stop firewalld\r\n<\/code><\/pre>\n<h5>2. \u5b89\u88c5Docker<\/h5>\n<p>\u5b89\u88c5Docker CE\u3002<\/p>\n<pre class=\"post-pre\"><code>Docker CE \u30ea\u30dd\u30b8\u30c8\u30ea \u8a2d\u5b9a\r\n# curl -L https:\/\/download.docker.com\/linux\/centos\/docker-ce.repo \\\r\n-o \/etc\/yum.repos.d\/docker-ce.repo\r\n# sed -i -e \"s\/^enabled=1\/enabled=0\/\" \/etc\/yum.repos.d\/docker-ce.repo\r\n\r\nDocker CE \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\r\n# yum -y install docker-ce --enablerepo=docker-ce-stable\r\n\r\nDocker CE \u30d0\u30fc\u30b8\u30e7\u30f3\u78ba\u8a8d\r\n# docker --version\r\n<\/code><\/pre>\n<p>Docker CE \u7684\u5b89\u88c5\u8bbe\u7f6e<\/p>\n<pre class=\"post-pre\"><code>Docker \u30b0\u30eb\u30fc\u30d7\u3078\u30e6\u30fc\u30b6\u306e\u8ffd\u52a0\r\n# gpasswd -a kuberus docker\r\n\r\n\u30b5\u30fc\u30d3\u30b9\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30d4\u30fc\r\n# cp \/usr\/lib\/systemd\/system\/docker.service \/etc\/systemd\/system\r\n\r\nDocker \u81ea\u52d5\u8d77\u52d5\u8a2d\u5b9a\r\n# systemctl enable docker &amp;&amp; systemctl start docker\r\n\r\nDocker bridge \u7121\u52b9\u5316\r\n# cat &lt;&lt;EOF &gt;  \/etc\/sysctl.d\/k8s.conf\r\nnet.bridge.bridge-nf-call-ip6tables = 1\r\nnet.bridge.bridge-nf-call-iptables = 1\r\nEOF\r\n\r\n# sysctl --system\r\n<\/code><\/pre>\n<p>\u7531\u4e8eKubernetes\u7684Cgroup\u9a71\u52a8\u7a0b\u5e8f\u5df2\u7ecf\u63a8\u8350\u4f7f\u7528systemd\uff0c\u6240\u4ee5\u5c06\u5c06Docker\u7684Cgroup\u9a71\u52a8\u7a0b\u5e8f\u66f4\u6539\u4e3asystemd\u3002<\/p>\n<pre class=\"post-pre\"><code># cat &gt; \/etc\/docker\/daemon.json &lt;&lt;EOF\r\n{\r\n  \"exec-opts\": [\"native.cgroupdriver=systemd\"],\r\n  \"log-driver\": \"json-file\",\r\n  \"log-opts\": {\r\n    \"max-size\": \"100m\"\r\n  },\r\n  \"storage-driver\": \"overlay2\",\r\n  \"storage-opts\": [\r\n    \"overlay2.override_kernel_check=true\"\r\n  ]\r\n}\r\nEOF\r\n\r\n# systemctl daemon-reload\r\n# systemctl restart docker\r\n\r\n# docker info | grep -i cgroup\r\nCgroup Driver: systemd\r\n<\/code><\/pre>\n<h5>3. Kubernetes \u5b89\u88c5<\/h5>\n<p>\u4f7f\u7528Istio 1.2\u517c\u5bb9\u7684\u7248\u672c\u5b89\u88c5Kubernetes\u3002<br \/>\n\u76ee\u524d\u770b\u6765\u8fd8\u6ca1\u6709\u6d4b\u8bd5\u6700\u65b0\u7248\u672c\u3002<br \/>\n\u5728Kubernetes\u4e0a\u5b89\u88c5\u3002<\/p>\n<pre class=\"post-pre\"><code>kubernetes \u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u767b\u9332\r\n# cat &lt;&lt;EOF &gt; \/etc\/yum.repos.d\/kubernetes.repo\r\n[kubernetes]\r\nname=Kubernetes\r\nbaseurl=https:\/\/packages.cloud.google.com\/yum\/repos\/kubernetes-el7-\\$basearch\r\nenabled=0\r\ngpgcheck=1\r\nrepo_gpgcheck=1\r\ngpgkey=https:\/\/packages.cloud.google.com\/yum\/doc\/yum-key.gpg https:\/\/packages.cloud.google.com\/yum\/doc\/rpm-package-key.gpg\r\nEOF\r\n\r\nKubernetes \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb Istio \u304c\u5bfe\u5fdc\u3059\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\r\n# yum install -y kubelet-1.14.3 kubeadm-1.14.3 kubectl-1.14.3 --enablerepo=kubernetes\r\n\r\nkubelet \u306e\u81ea\u52d5\u8d77\u52d5\u8a2d\u5b9a\r\n# cp \/usr\/lib\/systemd\/system\/kubelet.service \/etc\/systemd\/system\r\n# systemctl enable kubelet\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u5c06\u4e0e\u4e3b\u8282\u70b9\u5171\u540c\u5b8c\u6210\u5230\u76ee\u524d\u4e3a\u6b62\u7684\u5de5\u4f5c\u3002<\/p>\n<h5>4. Kubernetes \u4e3b\u8282\u70b9\u8bbe\u7f6e<\/h5>\n<p>\u4f7f\u7528 kubeadm \u5de5\u5177\u6765\u914d\u7f6e Kubernetes\u3002<\/p>\n<pre class=\"post-pre\"><code>Kubernetes Master \u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\r\n$ sudo kubeadm init \\\r\n--apiserver-advertise-address=192.168.122.100 \\\r\n--pod-network-cidr=10.100.0.0\/16\r\n<\/code><\/pre>\n<p>\u5728 Kubernetes Master \u5b89\u88c5\u8fc7\u7a0b\u7684\u65e5\u5fd7\u4e2d\uff0c\u6709\u4e00\u90e8\u5206\u4ee5 kubeadm join \u5f00\u5934\u3002<br \/>\n\u8fd9\u662f\u7528\u4e8e Kubernetes Node \u52a0\u5165\u7684\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>\u7ba1\u7406\u30e6\u30fc\u30b6\u306e\u8a2d\u5b9a\r\n$ mkdir -p $HOME\/.kube\r\n$ sudo cp -i \/etc\/kubernetes\/admin.conf $HOME\/.kube\/config\r\n$ sudo chown $(id -u):$(id -g) $HOME\/.kube\/config\r\n$ kubectl get node\r\n<\/code><\/pre>\n<h5>5. \u5b89\u88c5 Calico<\/h5>\n<p>\u8fdb\u884cCalico\u7684\u5b89\u88c5\u548c\u8bbe\u7f6ecalicoctl\u3002<\/p>\n<pre class=\"post-pre\"><code>Calico \u7528yaml\u30d5\u30a1\u30a4\u30eb\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\r\n$ mkdir calico\r\n$ cd calico\r\n$ curl -OL https:\/\/docs.projectcalico.org\/v3.7\/manifests\/calico.yaml\r\n\r\nCalico \u7528yaml\u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6\r\n$ grep -n -A1 CALICO_IPV4POOL_IPIP calico.yaml\r\n$ grep -n -A1 CALICO_IPV4POOL_CIDR calico.yaml\r\n\r\n$ sed -i -e \"600 s\/Always\/off\/\" calico.yaml\r\n$ sed -i -e \"611 s\/192.168.0.0\/10.100.0.0\/\" calico.yaml\r\n\r\n$ grep -n -A1 CALICO_IPV4POOL_IPIP calico.yaml\r\n$ grep -n -A1 CALICO_IPV4POOL_CIDR calico.yaml\r\n\r\nCalico \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\r\n$ kubectl apply -f calico.yaml\r\n\r\ncalicoctl \u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\r\n$ cd \/usr\/local\/bin\/\r\n$ sudo curl -O -L  \\\r\nhttps:\/\/github.com\/projectcalico\/calicoctl\/releases\/download\/v3.7.3\/calicoctl\r\n\r\n$ sudo chmod +x calicoctl\r\n\r\ncalicoctl \u306e\u74b0\u5883\u8a2d\u5b9a\r\n$ cat &lt;&lt; EOF &gt;&gt; ~\/.bash_profile\r\n\r\nexport DATASTORE_TYPE=kubernetes\r\nexport KUBECONFIG=~\/.kube\/config\r\nEOF\r\n\r\n$ calicoctl get node\r\n<\/code><\/pre>\n<h5>6. Kubernetes\u8282\u70b9\u52a0\u5165<\/h5>\n<p>node01\u548cnode02\u53cc\u65b9\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code># kubeadm join 192.168.122.100:6443 --token xxxxxxxxxxxxxx \\\r\n    --discovery-token-ca-cert-hash sha256:yyyyyyyyyyyyyyyyyyyy\r\n<\/code><\/pre>\n<h5>7. \u521b\u5efa Kiali \u7684\u79d8\u5bc6<\/h5>\n<p>master \u3067\u5b9f\u884c\u3057\u307e\u3059\u3002<br \/>\n\u7ba1\u7406\u30e6\u30fc\u30b6\u306e\u8a2d\u5b9a\u304c master \u3060\u3051\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067 master \u3067\u306e\u4f5c\u696d\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\nKiali \u306eUI\u3078\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u304d\u3001\u5148\u306b\u884c\u3046\u306e\u304c\u3044\u3044\u307f\u305f\u3044\u3067\u3059\u3002<br \/>\n\u306a\u305c\u304b\u307e\u3067\u306f\u5206\u304b\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"post-pre\"><code>Kiali Secret \u306e\u4f5c\u6210\r\n$ KIALI_USERNAME=$(read -p 'Kiali Username: ' uval &amp;&amp; echo -n $uval | base64)\r\n$ KIALI_PASSPHRASE=$(read -sp 'Kiali Passphrase: ' pval &amp;&amp; echo -n $pval | base64)\r\n$ NAMESPACE=istio-system\r\n$ kubectl create namespace $NAMESPACE\r\n$ kubectl apply -f - &lt;&lt;EOF\r\napiVersion: v1\r\nkind: Secret\r\nmetadata:\r\n  name: kiali\r\n  namespace: $NAMESPACE\r\n  labels:\r\n    app: kiali\r\ntype: Opaque\r\ndata:\r\n  username: $KIALI_USERNAME\r\n  passphrase: $KIALI_PASSPHRASE\r\nEOF\r\n<\/code><\/pre>\n<h5>8. \u5b89\u88c5 Istio<\/h5>\n<p>\u5b89\u88c5 Helm \u548c Tiller\uff0c\u5e76\u4f7f\u7528 Helm \u521b\u5efa\u5b89\u88c5\u7528\u7684 YAML \u6587\u4ef6\uff0c\u7136\u540e\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<pre class=\"post-pre\"><code>Istio \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\r\n$ mkdir istio\r\n$ cd istio\/\r\n$ curl -L https:\/\/git.io\/getLatestIstio | ISTIO_VERSION=1.2.2 sh -\r\n$ sudo cp  istio-1.2.2\/bin\/istioctl \/usr\/local\/bin\/\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>Helm \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\r\n$ mkdir ~\/helm\r\n$ cd ~\/helm\r\n$ curl -OL \\\r\nhttps:\/\/storage.googleapis.com\/kubernetes-helm\/helm-v2.14.1-linux-amd64.tar.gz\r\n\r\n$ tar zxf helm-v2.14.1-linux-amd64.tar.gz\r\n\r\n$ sudo cp linux-amd64\/helm \/usr\/local\/bin\/\r\n\r\n$ helm version\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>Tiller\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\r\n$ kubectl apply -f \\\r\n\/home\/kuberus\/istio\/istio-1.2.2\/install\/kubernetes\/helm\/helm-service-account.yaml\r\n\r\n$ helm init --service-account tiller\r\n\r\n$ helm install \/home\/kuberus\/istio\/istio-1.2.2\/install\/kubernetes\/helm\/istio-init \\\r\n--name istio-init --namespace istio-system\r\n\r\n$ helm repo add istio.io \\\r\nhttps:\/\/storage.googleapis.com\/istio-release\/releases\/1.2.2\/charts\/\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>Istio \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\r\n$ helm template \/home\/kuberus\/istio\/istio-1.2.2\/install\/kubernetes\/helm\/istio \\\r\n--set kiali.enabled=true \\\r\n--set \"kiali.dashboard.jaegerURL=http:\/\/jaeger-query:16686\" \\\r\n--set \"kiali.dashboard.grafanaURL=http:\/\/grafana:3000\" \\\r\n--set gateways.istio-ingressgateway.type=NodePort \\\r\n--set gateways.istio-egressgateway.type=NodePort \\\r\n--name istio --namespace istio-system \\\r\n&gt; \/home\/kuberus\/istio\/kiali.yaml\r\n\r\n$ kubectl apply -f \/home\/kuberus\/istio\/kiali.yaml\r\n<\/code><\/pre>\n<p>\u6211\u5df2\u7ecf\u6210\u529f\u8fdb\u884c\u4e86\u6240\u671f\u671b\u7684\u8bbe\u7f6e\u3002<br \/>\n\u4e3a\u4e86\u8fde\u63a5\u5230Kiali\u7684UI\u754c\u9762\uff0c\u4f60\u9700\u8981\u5c06service\/kiali\u8bbe\u7f6e\u4e3aNodePort\u3002<br \/>\n\u6211\u5df2\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u6267\u884c\u4e86\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code>kubectl apply -f - &lt;&lt;EOF\r\napiVersion: v1\r\nkind: Service\r\nmetadata:\r\n  labels:\r\n    app: kiali\r\n    chart: kiali\r\n    heritage: Tiller\r\n    release: istio\r\n  name: kiali\r\n  namespace: istio-system\r\nspec:\r\n  ports:\r\n  - name: http-kiali\r\n    port: 20001\r\n    protocol: TCP\r\n    targetPort: 20001\r\n    nodePort: 32001\r\n  selector:\r\n    app: kiali\r\n  sessionAffinity: None\r\n  type: NodePort\r\nEOF\r\n<\/code><\/pre>\n<p>\u6211\u6210\u529f\u5730\u8fde\u63a5\u5230\u4e86192.168.122.100:32001\uff0c\u5e76\u4e14\u80fd\u591f\u987a\u5229\u8bbf\u95eeKiali\u7684\u7528\u6237\u754c\u9762\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728KVM\u4e0a\u642d\u5efaKubernetes\u3002 Kubernetes Istio Calico \u9e1f BGP \u25cf \u5728Kub [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-35800","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) - 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