环境配置
| IP | hostname | 操作系统 |
| 10.11.66.44 | k8s-master | centos7.6 |
| 10.11.66.27 | k8s-node1 | centos7.7 |
| 10.11.66.28 | k8s-node2 | centos7.7 |
# 官方建议每台机器至少双核2G内存，同时需确保MAC和product_uuid的唯一性 [root@localhost ~]# hostnamectl --static set-hostname k8s-master [root@localhost ~]# hostnamectl --static set-hostname k8s-node1 [root@localhost ~]# hostnamectl --static set-hostname k8s-node2 [root@k8s-master ~]# cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core) [root@k8s-master ~]# sestatus SELinux status: disabled [root@k8s-master ~]# systemctl status firewalld.service ● firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled) Active: inactive (dead) Docs: man:firewalld(1) [root@k8s-master ~]# cat >> /etc/hosts << EOF # 三台都需要操作 > 10.11.66.44 k8s-master > 10.11.66.27 k8s-node1 > 10.11.66.28 k8s-node2 > EOF # ping主机测试hosts是否配置正确 [root@k8s-master ~]# ping k8s-master PING k8s-master (10.11.66.44) 56(84) bytes of data. 64 bytes from k8s-master (10.11.66.44): icmp_seq=1 ttl=64 time=0.012 ms 64 bytes from k8s-master (10.11.66.44): icmp_seq=2 ttl=64 time=0.016 ms ^C --- k8s-master ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 0.012/0.014/0.016/0.002 ms [root@k8s-master ~]# ping k8s-node1 PING k8s-node1 (10.11.66.27) 56(84) bytes of data. 64 bytes from k8s-node1 (10.11.66.27): icmp_seq=1 ttl=64 time=0.924 ms 64 bytes from k8s-node1 (10.11.66.27): icmp_seq=2 ttl=64 time=1.36 ms ^C --- k8s-node1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1010ms rtt min/avg/max/mdev = 0.924/1.146/1.369/0.225 ms [root@k8s-master ~]# ping k8s-node2 PING k8s-node2 (10.11.66.28) 56(84) bytes of data. 64 bytes from k8s-node2 (10.11.66.28): icmp_seq=1 ttl=64 time=1.18 ms 64 bytes from k8s-node2 (10.11.66.28): icmp_seq=2 ttl=64 time=1.30 ms ^C --- k8s-node2 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1003ms rtt min/avg/max/mdev = 1.180/1.240/1.300/0.060 ms [root@k8s-master ~]# ip link # 三台机器mac地址不能一样 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000 link/ether 00:0c:29:26:38:13 brd ff:ff:ff:ff:ff:ff [root@k8s-master ~]# cat /sys/class/dmi/id/product_uuid # 三台机器UUID不能一样 07B64D56-0D8B-6047-8E55-9ADE9F263813
# 设置为阿里云yum源（三台都需要操作） [root@k8s-master ~]# curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo [root@k8s-master ~]# rm -rf /var/cache/yum && yum makecache && yum -y update && yum -y autoremove # 注意： 网络条件不好，可以不用 update
# 安装依赖包（三台都需要操作） [root@k8s-master ~]# yum -y install epel-release.noarch conntrack ipvsadm ipset jq sysstat curl iptables libseccomp
# 配置iptables（三台都需要操作） [root@k8s-master ~]# iptables -F && iptables -X && iptables -F -t nat && iptables -X -t nat && iptables -P FORWARD ACCEPT
# 关闭swap分区（三台都需要操作） [root@k8s-master ~]# swapoff -a [root@k8s-master ~]# sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
# 加载内核模块（三台都需要操作） [root@k8s-node2 ~]# cat > /etc/sysconfig/modules/ipvs.modules <<EOF #!/bin/bash modprobe -- ip_vs # lvs基于4层的负载均衡 modprobe -- ip_vs_rr # 轮询 modprobe -- ip_vs_wrr # 加权轮询 modprobe -- ip_vs_sh # 源地址散列调度算法 modprobe -- nf_conntrack_ipv4 # 链接跟踪模块 modprobe -- br_netfilter # 遍历桥的数据包由iptables进行处理以进行 EOF [root@k8s-master ~]# chmod 755 /etc/sysconfig/modules/ipvs.modules && bash /etc/sysconfig/modules/ipvs.modules
# 设置内核参数（三台都需要操作） [root@k8s-master ~]# cat << EOF | tee /etc/sysctl.d/k8s.conf net.bridge.bridge-nf-call-iptables=1 net.bridge.bridge-nf-call-ip6tables=1 net.ipv4.ip_forward=1 net.ipv4.tcp_tw_recycle=0 vm.swappiness=0 vm.overcommit_memory=1 vm.panic_on_oom=0 fs.inotify.max_user_watches=89100 fs.file-max=52706963 fs.nr_open=52706963 net.ipv6.conf.all.disable_ipv6=1 net.netfilter.nf_conntrack_max=2310720 EOF [root@k8s-master ~]# sysctl -p /etc/sysctl.d/k8s.conf net.bridge.bridge-nf-call-iptables = 1 # 设置网桥iptables网络过滤通告 net.bridge.bridge-nf-call-ip6tables = 1 # 设置网桥iptables网络过滤通告 net.ipv4.ip_forward = 1 # 开启内核转发 net.ipv4.tcp_tw_recycle = 0 # 设置 IP_TW 回收 vm.swappiness = 0 # 禁用swap vm.overcommit_memory = 1 # 内核对内存分配的一种策略 vm.panic_on_oom = 0 # 设置系统oom（内存溢出） fs.inotify.max_user_watches = 89100 # 允许用户最大监控目录数 fs.file-max = 52706963 # 允许系统打开的最大文件数 fs.nr_open = 52706963 # 允许单个进程打开的最大文件数 net.ipv6.conf.all.disable_ipv6 = 1 # 禁用ipv6 net.netfilter.nf_conntrack_max = 2310720 # 系统的最大连接数 # overcommit_memory 是一个内核对内存分配的一种策略,取值又三种分别为0， 1， 2 - overcommit_memory=0 '表示内核将检查是否有足够的可用内存供应用进程使用；如果有足够的可用内存，内存申请允许；否则，内存申请失败，并把错误返回给应用进程。 - overcommit_memory=1 '表示内核允许分配所有的物理内存，而不管当前的内存状态如何。 - overcommit_memory=2 '表示内核允许分配超过所有物理内存和交换空间总和的内存
部署docker
# 卸载旧版docker（三台都需要操作） [root@k8s-master ~]# yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-selinux \ docker-engine-selinux \ docker-engine Loaded plugins: fastestmirror No Match for argument: docker No Match for argument: docker-client No Match for argument: docker-client-latest No Match for argument: docker-common No Match for argument: docker-latest No Match for argument: docker-latest-logrotate No Match for argument: docker-logrotate No Match for argument: docker-selinux No Match for argument: docker-engine-selinux No Match for argument: docker-engine No Packages marked for removal
# 安装docker依赖包（三台都需要操作） [root@k8s-master ~]# yum install -y yum-utils device-mapper-persistent-data lvm2
# 设置docker源（阿里云）（三台都需要操作） [root@k8s-master ~]# yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo Loaded plugins: fastestmirror adding repo from: http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo grabbing file http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo to /etc/yum.repos.d/docker-ce.repo repo saved to /etc/yum.repos.d/docker-ce.repo # 启用测试库（可选） [root@k8s-master ~]# yum-config-manager --enable docker-ce-edge [root@k8s-master ~]# yum-config-manager --enable docker-ce-test
# 安装docker（三台都需要操作） [root@k8s-master ~]# yum makecache fast [root@k8s-master ~]# yum -y install docker-ce
# 启动docker，并开机自启（三台都需要操作） [root@k8s-master ~]# systemctl enable docker --now Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.
# 配置docker（三台都需要操作） [root@k8s-master ~]# sed -i "13i ExecStartPost=/usr/sbin/iptables -P FORWARD ACCEPT" /usr/lib/systemd/system/docker.service # 安装完成后配置启动时的命令，否则 docker 会将 iptables FORWARD chain 的默认策略设置为DROP [root@k8s-master ~]# tee /etc/docker/daemon.json <<-'EOF' { "registry-mirrors": ["https://bk6kzfqm.mirror.aliyuncs.com"], "exec-opts": ["native.cgroupdriver=systemd"], "log-driver": "json-file", "log-opts": { "max-size": "100m" }, "storage-driver": "overlay2", "storage-opts": [ "overlay2.override_kernel_check=true" ] } EOF [root@k8s-master ~]# systemctl daemon-reload [root@k8s-master ~]# systemctl restart docker
部署kubeadm和kubelet
# 配置yum源（三台都需要操作） [root@k8s-master ~]# cat <<EOF > /etc/yum.repos.d/kubernetes.repo [kubernetes] name=Kubernetes baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/ enabled=1 gpgcheck=0 repo_gpgcheck=0 gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg EOF
# 安装并启动（三台都需要操作） [root@k8s-master ~]# yum install -y kubelet-1.18.6 kubeadm-1.18.6 kubectl-1.18.6 [root@k8s-master ~]# systemctl enable kubelet.service --now Created symlink from /etc/systemd/system/multi-user.target.wants/kubelet.service to /usr/lib/systemd/system/kubelet.service.
# 配置自动补全命令（三台都需要操作） [root@k8s-master ~]# yum -y install bash-completion # 设置kubectl与kubeadm命令补全，下次login生效 [root@k8s-master ~]# kubectl completion bash > /etc/bash_completion.d/kubectl [root@k8s-master ~]# kubeadm completion bash > /etc/bash_completion.d/kubeadm
# 查看k8s依赖的包（三台都需要操作） [root@k8s-master ~]# kubeadm config images list --kubernetes-version v1.18.6 W0803 15:10:18.910528 25638 configset.go:202] WARNING: kubeadm cannot validate component configs for API groups [kubelet.config.k8s.io kubeproxy.config.k8s.io] k8s.gcr.io/kube-apiserver:v1.18.6 k8s.gcr.io/kube-controller-manager:v1.18.6 k8s.gcr.io/kube-scheduler:v1.18.6 k8s.gcr.io/kube-proxy:v1.18.6 k8s.gcr.io/pause:3.2 k8s.gcr.io/etcd:3.4.3-0 k8s.gcr.io/coredns:1.6.7
# 拉取所需镜像（三台都需要操作） [root@k8s-master ~]# vim get-k8s-images.sh #!/bin/bash # Script For Quick Pull K8S Docker Images KUBE_VERSION=v1.18.6 PAUSE_VERSION=3.2 CORE_DNS_VERSION=1.6.7 ETCD_VERSION=3.4.3-0 # pull kubernetes images from hub.docker.com docker pull kubeimage/kube-proxy-amd64:$KUBE_VERSION docker pull kubeimage/kube-controller-manager-amd64:$KUBE_VERSION docker pull kubeimage/kube-apiserver-amd64:$KUBE_VERSION docker pull kubeimage/kube-scheduler-amd64:$KUBE_VERSION # pull aliyuncs mirror docker images docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/pause:$PAUSE_VERSION docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:$CORE_DNS_VERSION docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:$ETCD_VERSION # retag to k8s.gcr.io prefix docker tag kubeimage/kube-proxy-amd64:$KUBE_VERSION k8s.gcr.io/kube-proxy:$KUBE_VERSION docker tag kubeimage/kube-controller-manager-amd64:$KUBE_VERSION k8s.gcr.io/kube-controller-manager:$KUBE_VERSION docker tag kubeimage/kube-apiserver-amd64:$KUBE_VERSION k8s.gcr.io/kube-apiserver:$KUBE_VERSION docker tag kubeimage/kube-scheduler-amd64:$KUBE_VERSION k8s.gcr.io/kube-scheduler:$KUBE_VERSION docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/pause:$PAUSE_VERSION k8s.gcr.io/pause:$PAUSE_VERSION docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:$CORE_DNS_VERSION k8s.gcr.io/coredns:$CORE_DNS_VERSION docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:$ETCD_VERSION k8s.gcr.io/etcd:$ETCD_VERSION # untag origin tag, the images won't be delete. docker rmi kubeimage/kube-proxy-amd64:$KUBE_VERSION docker rmi kubeimage/kube-controller-manager-amd64:$KUBE_VERSION docker rmi kubeimage/kube-apiserver-amd64:$KUBE_VERSION docker rmi kubeimage/kube-scheduler-amd64:$KUBE_VERSION docker rmi registry.cn-hangzhou.aliyuncs.com/google_containers/pause:$PAUSE_VERSION docker rmi registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:$CORE_DNS_VERSION docker rmi registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:$ETCD_VERSION [root@k8s-master ~]# sh get-k8s-images.sh '或者 [root@k8s-master ~]# docker save $(docker images | grep -v REPOSITORY | awk 'BEGIN{OFS=":";ORS=" "}{print $1,$2}') -o k8s-images.tar # master节点导出 [root@k8s-node1 ~]# docker image load -i k8s-images.tar # node节点导入
初始化集群
# 使用kubeadm init初始化集群，ip为本机ip（在k8s-master上操作） [root@k8s-master ~]# kubeadm init --kubernetes-version=v1.18.6 --apiserver-advertise-address=10.11.66.44 --pod-network-cidr=10.244.0.0/16 --service-cidr=10.1.0.0/16 --kubernetes-version=v1.18.6 ： 加上该参数后启动相关镜像（刚才下载的那一堆） --pod-network-cidr=10.244.0.0/16 ：（Pod 中间网络通讯我们用flannel，flannel要求是10.244.0.0/16，这个IP段就是Pod的IP段） --service-cidr=10.1.0.0/16 ： Service（服务）网段（和微服务架构有关）
# 初始化成功后，会有以下回显 Your Kubernetes control-plane has initialized successfully! To start using your cluster, you need to run the following as a regular user: mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config You should now deploy a pod network to the cluster. Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at: https://kubernetes.io/docs/concepts/cluster-administration/addons/ Then you can join any number of worker nodes by running the following on each as root: kubeadm join 10.11.66.44:6443 --token ecqlbq.1k41wwa3gn57oonq \ --discovery-token-ca-cert-hash sha256:daeec6df945f3f4a646d074d9f9144f414373106ff8849450c1d10b5a663e87e
# 为需要使用kubectl的用户进行配置（在k8s-master上操作） [root@k8s-master ~]# mkdir -p $HOME/.kube [root@k8s-master ~]# sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config [root@k8s-master ~]# sudo chown $(id -u):$(id -g) $HOME/.kube/config
# 使用下面的命令确保所有的Pod都处于Running状态，可能要等到许久 [root@k8s-master ~]# kubectl get pod --all-namespaces -o wide NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES kube-system coredns-66bff467f8-cxtrj 0/1 Pending 0 8m14s <none> <none> <none> <none> kube-system coredns-66bff467f8-znlm2 0/1 Pending 0 8m14s <none> <none> <none> <none> kube-system etcd-k8s-master 1/1 Running 0 8m23s 10.11.66.44 k8s-master <none> <none> kube-system kube-apiserver-k8s-master 1/1 Running 0 8m23s 10.11.66.44 k8s-master <none> <none> kube-system kube-controller-manager-k8s-master 1/1 Running 0 8m23s 10.11.66.44 k8s-master <none> <none> kube-system kube-proxy-vh964 1/1 Running 0 8m14s 10.11.66.44 k8s-master <none> <none> kube-system kube-scheduler-k8s-master 1/1 Running 0 8m23s 10.11.66.44 k8s-master <none> <none> [root@k8s-master ~]# kubectl get pods -n kube-system # 这个也可以查看 NAME READY STATUS RESTARTS AGE coredns-66bff467f8-cxtrj 0/1 Pending 0 3m52s coredns-66bff467f8-znlm2 0/1 Pending 0 3m52s etcd-k8s-master 1/1 Running 0 4m1s kube-apiserver-k8s-master 1/1 Running 0 4m1s kube-controller-manager-k8s-master 1/1 Running 0 4m1s kube-proxy-vh964 1/1 Running 0 3m52s kube-scheduler-k8s-master 1/1 Running 0 4m1s
集群网络配置（选择一种就可以）
flannel 网络
[root@k8s-master ~]# kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml # 注意：修改集群初始化地址及镜像能否拉取（在k8s-master上操作）
Pod Network（使用七牛云镜像）
# （在k8s-master上操作） [root@k8s-master ~]# curl -o kube-flannel.yml https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml [root@k8s-master ~]# sed -i "s/quay.io\/coreos\/flannel/quay-mirror.qiniu.com\/coreos\/flannel/g" kube-flannel.yml [root@k8s-master ~]# kubectl apply -f kube-flannel.yml [root@k8s-master ~]# rm -f kube-flannel.yml
calico 网络
# （在k8s-master上操作） [root@k8s-master ~]# wget https://docs.projectcalico.org/v3.15/manifests/calico.yaml [root@k8s-master ~]# vim calico.yaml - name: CALICO_IPV4POOL_CIDR value: "10.244.0.0/16" [root@k8s-master ~]# kubectl apply -f calico.yaml [root@k8s-master ~]# kubectl get pods -n kube-system NAME READY STATUS RESTARTS AGE calico-kube-controllers-578894d4cd-rchx6 1/1 Running 0 2m31s calico-node-slgg9 1/1 Running 0 2m32s coredns-66bff467f8-cxtrj 1/1 Running 0 55m coredns-66bff467f8-znlm2 1/1 Running 0 55m etcd-k8s-master 1/1 Running 0 55m kube-apiserver-k8s-master 1/1 Running 0 55m kube-controller-manager-k8s-master 1/1 Running 0 55m kube-proxy-vh964 1/1 Running 0 55m kube-scheduler-k8s-master 1/1 Running 0 55m
kubernetes集群中添加node节点
# 在k8s-node1和k8s-node2上，运行之前在k8s-master输出的命令 [root@k8s-node1 ~]# kubeadm join 10.11.66.44:6443 --token ecqlbq.1k41wwa3gn57oonq \ --discovery-token-ca-cert-hash sha256:daeec6df945f3f4a646d074d9f9144f414373106ff8849450c1d10b5a663e87e [root@k8s-node2 ~]# kubeadm join 10.11.66.44:6443 --token ecqlbq.1k41wwa3gn57oonq \ --discovery-token-ca-cert-hash sha256:daeec6df945f3f4a646d074d9f9144f414373106ff8849450c1d10b5a663e87e # 没有记录集群 join 命令的可以通过以下方式重新获取（在k8s-master上操作） [root@k8s-master ~]# kubeadm token create --print-join-command --ttl=0 [root@k8s-master ~]# kubectl get nodes # 查看集群中的节点状态，可能要等等许久才Ready NAME STATUS ROLES AGE VERSION k8s-master Ready master 64m v1.18.6 k8s-node1 Ready <none> 3m37s v1.18.6 k8s-node2 Ready <none> 3m36s v1.18.6
kube-proxy开启ipvs
# （在k8s-master上操作） [root@k8s-master ~]# kubectl get configmap kube-proxy -n kube-system -o yaml > kube-proxy-configmap.yaml [root@k8s-master ~]# sed -i 's/mode: ""/mode: "ipvs"/' kube-proxy-configmap.yaml [root@k8s-master ~]# kubectl apply -f kube-proxy-configmap.yaml Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply configmap/kube-proxy configured [root@k8s-master ~]# kubectl get pods -n kube-system NAME READY STATUS RESTARTS AGE calico-kube-controllers-578894d4cd-rchx6 1/1 Running 0 14m calico-node-kfc5p 1/1 Running 0 7m17s calico-node-slgg9 1/1 Running 0 14m calico-node-xcc92 1/1 Running 0 7m16s coredns-66bff467f8-cxtrj 1/1 Running 0 67m coredns-66bff467f8-znlm2 1/1 Running 0 67m etcd-k8s-master 1/1 Running 0 67m kube-apiserver-k8s-master 1/1 Running 0 67m kube-controller-manager-k8s-master 1/1 Running 0 67m kube-proxy-6fnpb 1/1 Running 0 16s kube-proxy-tflld 1/1 Running 0 20s kube-proxy-x47c8 1/1 Running 0 26s kube-scheduler-k8s-master 1/1 Running 0 67m -
部署 kubernetes-dashboard
# Dashboard安装脚本（在k8s-master上操作） cat > recommended.yaml <<-EOF # Copyright 2017 The Kubernetes Authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. apiVersion: v1 kind: Namespace metadata: name: kubernetes-dashboard --- apiVersion: v1 kind: ServiceAccount metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard namespace: kubernetes-dashboard --- kind: Service apiVersion: v1 metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard namespace: kubernetes-dashboard spec: type: NodePort ports: - port: 443 targetPort: 8443 nodePort: 30000 selector: k8s-app: kubernetes-dashboard --- #apiVersion: v1 #kind: Secret #metadata: # labels: # k8s-app: kubernetes-dashboard # name: kubernetes-dashboard-certs # namespace: kubernetes-dashboard #type: Opaque --- apiVersion: v1 kind: Secret metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard-csrf namespace: kubernetes-dashboard type: Opaque data: csrf: "" --- apiVersion: v1 kind: Secret metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard-key-holder namespace: kubernetes-dashboard type: Opaque --- kind: ConfigMap apiVersion: v1 metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard-settings namespace: kubernetes-dashboard --- kind: Role apiVersion: rbac.authorization.k8s.io/v1 metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard namespace: kubernetes-dashboard rules: # Allow Dashboard to get, update and delete Dashboard exclusive secrets. - apiGroups: [""] resources: ["secrets"] resourceNames: ["kubernetes-dashboard-key-holder", "kubernetes-dashboard-certs", "kubernetes-dashboard-csrf"] verbs: ["get", "update", "delete"] # Allow Dashboard to get and update 'kubernetes-dashboard-settings' config map. - apiGroups: [""] resources: ["configmaps"] resourceNames: ["kubernetes-dashboard-settings"] verbs: ["get", "update"] # Allow Dashboard to get metrics. - apiGroups: [""] resources: ["services"] resourceNames: ["heapster", "dashboard-metrics-scraper"] verbs: ["proxy"] - apiGroups: [""] resources: ["services/proxy"] resourceNames: ["heapster", "http:heapster:", "https:heapster:", "dashboard-metrics-scraper", "http:dashboard-metrics-scraper"] verbs: ["get"] --- kind: ClusterRole apiVersion: rbac.authorization.k8s.io/v1 metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard rules: # Allow Metrics Scraper to get metrics from the Metrics server - apiGroups: ["metrics.k8s.io"] resources: ["pods", "nodes"] verbs: ["get", "list", "watch"] --- apiVersion: rbac.authorization.k8s.io/v1 kind: RoleBinding metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard namespace: kubernetes-dashboard roleRef: apiGroup: rbac.authorization.k8s.io kind: Role name: kubernetes-dashboard subjects: - kind: ServiceAccount name: kubernetes-dashboard namespace: kubernetes-dashboard --- apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: name: kubernetes-dashboard namespace: kubernetes-dashboard roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: kubernetes-dashboard subjects: - kind: ServiceAccount name: kubernetes-dashboard namespace: kubernetes-dashboard --- kind: Deployment apiVersion: apps/v1 metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard namespace: kubernetes-dashboard spec: replicas: 1 revisionHistoryLimit: 10 selector: matchLabels: k8s-app: kubernetes-dashboard template: metadata: labels: k8s-app: kubernetes-dashboard spec: containers: - name: kubernetes-dashboard image: kubernetesui/dashboard:v2.0.0-beta1 imagePullPolicy: Always ports: - containerPort: 8443 protocol: TCP args: - --auto-generate-certificates - --namespace=kubernetes-dashboard # Uncomment the following line to manually specify Kubernetes API server Host # If not specified, Dashboard will attempt to auto discover the API server and connect # to it. Uncomment only if the default does not work. # - --apiserver-host=http://my-address:port volumeMounts: - name: kubernetes-dashboard-certs mountPath: /certs # Create on-disk volume to store exec logs - mountPath: /tmp name: tmp-volume livenessProbe: httpGet: scheme: HTTPS path: / port: 8443 initialDelaySeconds: 30 timeoutSeconds: 30 volumes: - name: kubernetes-dashboard-certs secret: secretName: kubernetes-dashboard-certs - name: tmp-volume emptyDir: {} serviceAccountName: kubernetes-dashboard # Comment the following tolerations if Dashboard must not be deployed on master tolerations: - key: node-role.kubernetes.io/master effect: NoSchedule --- kind: Service apiVersion: v1 metadata: labels: k8s-app: kubernetes-metrics-scraper name: dashboard-metrics-scraper namespace: kubernetes-dashboard spec: ports: - port: 8000 targetPort: 8000 selector: k8s-app: kubernetes-metrics-scraper --- kind: Deployment apiVersion: apps/v1 metadata: labels: k8s-app: kubernetes-metrics-scraper name: kubernetes-metrics-scraper namespace: kubernetes-dashboard spec: replicas: 1 revisionHistoryLimit: 10 selector: matchLabels: k8s-app: kubernetes-metrics-scraper template: metadata: labels: k8s-app: kubernetes-metrics-scraper spec: containers: - name: kubernetes-metrics-scraper image: kubernetesui/metrics-scraper:v1.0.0 ports: - containerPort: 8000 protocol: TCP livenessProbe: httpGet: scheme: HTTP path: / port: 8000 initialDelaySeconds: 30 timeoutSeconds: 30 serviceAccountName: kubernetes-dashboard # Comment the following tolerations if Dashboard must not be deployed on master tolerations: - key: node-role.kubernetes.io/master effect: NoSchedule EOF
创建证书
[root@k8s-master ~]# cd /etc/kubernetes/ [root@k8s-master kubernetes]# mkdir dashboard-certs [root@k8s-master kubernetes]# cd dashboard-certs/ [root@k8s-master dashboard-certs]# kubectl create namespace kubernetes-dashboard # 创建命名空间 namespace/kubernetes-dashboard created [root@k8s-master dashboard-certs]# kubectl get namespace # 查看命名空间 NAME STATUS AGE default Active 75m kube-node-lease Active 75m kube-public Active 75m kube-system Active 75m kubernetes-dashboard Active 9s [root@k8s-master dashboard-certs]# openssl genrsa -out dashboard.key 2048 # 创建私钥key文件 Generating RSA private key, 2048 bit long modulus ........................................+++ ..........+++ e is 65537 (0x10001) [root@k8s-master dashboard-certs]# openssl req -days 36000 -new -out dashboard.csr -key dashboard.key -subj '/CN=dashboard-cert' # 证书请求 [root@k8s-master dashboard-certs]# openssl x509 -req -in dashboard.csr -signkey dashboard.key -out dashboard.crt # 自签证书 Signature ok subject=/CN=dashboard-cert Getting Private key [root@k8s-master dashboard-certs]# kubectl create secret generic kubernetes-dashboard-certs --from-file=dashboard.key --from-file=dashboard.crt -n kubernetes-dashboard # 创建kubernetes-dashboard-certs对象 secret/kubernetes-dashboard-certs created [root@k8s-master dashboard-certs]# kubectl get secret -A NAMESPACE NAME TYPE DATA AGE default default-token-j6m5t kubernetes.io/service-account-token 3 77m kube-node-lease default-token-n5lxf kubernetes.io/service-account-token 3 77m ......... ......... kubernetes-dashboard default-token-bjp2p kubernetes.io/service-account-token 3 2m33s kubernetes-dashboard kubernetes-dashboard-certs Opaque 2 90s
创建 dashboard 管理员
[root@k8s-master dashboard-certs]# cat > dashboard-admin.yaml <<-EOF apiVersion: v1 kind: ServiceAccount metadata: labels: k8s-app: kubernetes-dashboard name: dashboard-admin namespace: kubernetes-dashboard EOF [root@k8s-master dashboard-certs]# kubectl apply -f dashboard-admin.yaml serviceaccount/dashboard-admin created
为用户分配权限
[root@k8s-master dashboard-certs]# cat > dashboard-admin-bind-cluster-role.yaml <<-EOF apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: name: dashboard-admin-bind-cluster-role labels: k8s-app: kubernetes-dashboard roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: cluster-admin subjects: - kind: ServiceAccount name: dashboard-admin namespace: kubernetes-dashboard EOF [root@k8s-master dashboard-certs]# kubectl apply -f dashboard-admin-bind-cluster-role.yaml clusterrolebinding.rbac.authorization.k8s.io/dashboard-admin-bind-cluster-role created
安装 Dashboard
[root@k8s-master dashboard-certs]# kubectl apply -f /root/recommended.yaml Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply namespace/kubernetes-dashboard configured serviceaccount/kubernetes-dashboard created service/kubernetes-dashboard created secret/kubernetes-dashboard-csrf created secret/kubernetes-dashboard-key-holder created configmap/kubernetes-dashboard-settings created role.rbac.authorization.k8s.io/kubernetes-dashboard created clusterrole.rbac.authorization.k8s.io/kubernetes-dashboard created rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created clusterrolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created deployment.apps/kubernetes-dashboard created service/dashboard-metrics-scraper created deployment.apps/kubernetes-metrics-scraper created [root@k8s-master dashboard-certs]# kubectl get pods -A NAMESPACE NAME READY STATUS RESTARTS AGE kube-system calico-kube-controllers-578894d4cd-rchx6 1/1 Running 0 29m kube-system calico-node-kfc5p 1/1 Running 0 22m kube-system calico-node-slgg9 1/1 Running 0 29m kube-system calico-node-xcc92 1/1 Running 0 22m kube-system coredns-66bff467f8-cxtrj 1/1 Running 0 82m kube-system coredns-66bff467f8-znlm2 1/1 Running 0 82m kube-system etcd-k8s-master 1/1 Running 0 82m kube-system kube-apiserver-k8s-master 1/1 Running 0 82m kube-system kube-controller-manager-k8s-master 1/1 Running 0 82m kube-system kube-proxy-6fnpb 1/1 Running 0 15m kube-system kube-proxy-tflld 1/1 Running 0 15m kube-system kube-proxy-x47c8 1/1 Running 0 15m kube-system kube-scheduler-k8s-master 1/1 Running 0 82m kubernetes-dashboard kubernetes-dashboard-84b6b4578b-8t9bp 1/1 Running 0 75s kubernetes-dashboard kubernetes-metrics-scraper-86f6785867-bqvpg 1/1 Running 0 75s [root@k8s-master dashboard-certs]# kubectl get service -n kubernetes-dashboard -o wide NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR dashboard-metrics-scraper ClusterIP 10.1.16.181 <none> 8000/TCP 2m6s k8s-app=kubernetes-metrics-scraper kubernetes-dashboard NodePort 10.1.99.111 <none> 443:30000/TCP 2m6s k8s-app=kubernetes-dashboard
查看并复制用户Token
[root@k8s-master dashboard-certs]# kubectl -n kubernetes-dashboard describe secret $(kubectl -n kubernetes-dashboard get secret | grep dashboard-admin | awk '{print $1}') Name: dashboard-admin-token-528w2 Namespace: kubernetes-dashboard Labels: <none> Annotations: kubernetes.io/service-account.name: dashboard-admin kubernetes.io/service-account.uid: 7c3955d3-2c0c-4b99-b69b-8a3f330661de Type: kubernetes.io/service-account-token Data ==== ca.crt: 1025 bytes namespace: 20 bytes token: eyJhbGciOiJSUzI1NiIsImtpZCI6Ik1oVnpzUlUzRU4zbXJRV2F5VUZMc3JmYWFBTWMyWU1IenY1d1NET1U0bDgifQ.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.nVS3WCiIU90o5WIYG9iHYE90Gfox_Q5eHNzz3UsGLDDBIfgDt7veX-4pl7GLV8FFsAap0fTLo_pU7sbehd5mOYcgh_QRlZ3ELR4mVZYNW6fmPBFZn7Tbjv7LLieGDPzELrefQJwS4sZus2WsH1OdQbMIry6AYKpl5AAKw4rhh_679QnEBjCsJiEebg0hzlKyXoXGqmaGwfetsCB5DOmoNss2WbIKfGJ7pasTTKa29F3T19NIh9VbDmavyvYZp9VPgfcKiuBKlxrakzwH9fosS8V3faMgH64CMIWwrEqv1cybd85gQkA1u0SGZ5mOQJ3tYWGHGJBFlO8J-RKSo8gJOw
访问测试
1、浏览器访问：https://10.11.66.44:30000/ 2、选择token，输入上面输出的token
用文件认证登录
导出认证
[root@k8s-master dashboard-certs]# kubectl -n kubernetes-dashboard describe secret $(kubectl -n kubernetes-dashboard get secret | grep dashboard-admin | awk '{print $1}') Name: dashboard-admin-token-528w2 Namespace: kubernetes-dashboard Labels: <none> Annotations: kubernetes.io/service-account.name: dashboard-admin kubernetes.io/service-account.uid: 7c3955d3-2c0c-4b99-b69b-8a3f330661de Type: kubernetes.io/service-account-token Data ==== namespace: 20 bytes token: eyJhbGciOiJSUzI1NiIsImtpZCI6Ik1oVnpzUlUzRU4zbXJRV2F5VUZMc3JmYWFBTWMyWU1IenY1d1NET1U0bDgifQ.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.nVS3WCiIU90o5WIYG9iHYE90Gfox_Q5eHNzz3UsGLDDBIfgDt7veX-4pl7GLV8FFsAap0fTLo_pU7sbehd5mOYcgh_QRlZ3ELR4mVZYNW6fmPBFZn7Tbjv7LLieGDPzELrefQJwS4sZus2WsH1OdQbMIry6AYKpl5AAKw4rhh_679QnEBjCsJiEebg0hzlKyXoXGqmaGwfetsCB5DOmoNss2WbIKfGJ7pasTTKa29F3T19NIh9VbDmavyvYZp9VPgfcKiuBKlxrakzwH9fosS8V3faMgH64CMIWwrEqv1cybd85gQkA1u0SGZ5mOQJ3tYWGHGJBFlO8J-RKSo8gJOw ca.crt: 1025 bytes
[root@k8s-master ~]# vim .kube/config - name: kubernetes-admin user: client-certificate-data: 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 client-key-data: LS0tLS1CRUdJTiBSU0EgUFJJVkFURSBLRVktLS0tLQpNSUlFb3dJQkFBS0NBUUVBektrMW9KdU96dDdHeTNacmI2OVJBajl6c2dIbDQ3QTlVRjhiL0JtaGI1WWpQMDU2Cm5IbkVRWDhCLzl4NFpCYjRTZUs5NmRVWEhpOUVwRm5RQ1JTSkxVMDZxUXFtRnlHV3NSSXBCT1Q5VEJra0ltVzMKblpEVm8rMjZ1YWdUSnRXUGw5a1pYdnlnWEZSQnF4M1hMb0xyMGdha1hOenVnek8wYTJxcENYUCtMZkxNT2toMwpSUlFmZDg1S1pZYVdxaE1JK2M2RkRUa2dOLzhncE0rNlpBNGtFM09MdzlhTkZKb2pJdmpjSGNYeTdETXRsQmhVClFlVThsSTY0dVFWT3NwOWVMNHZaMEVGajV2NkV6M2dveGRWK283ejVndzd6c1BDa3ZSY3N0UXFYUkZ1enppaU0KVVBBNENvMWFmS3dHVVlya0FuY3NmdDFtWEZvZXdYMU85MENsaHdJREFRQUJBb0lCQVFDMHlLZXhkcGZnanhObAp1UFpRVXJvcFZTbDZ6WWhuNTA5U0JxR3V3R2xGSzRkNUxYYkxjQmgzanB5U2lncml4eE9PR0xlUHJZYmRSLzNICmUvcHpldXR0MC9HRVR2N0dJZ3A5NGIvUUxnSzl6TnVKY3ZhT1Bka3FGQjVFVDM2VGFFU09hdHlwZGxpbEZseG4KcmxWZEpaTHdGS1B0ejg3MG9LQzMzaUR4VTcvc2p4MWUwc3FFQ1NMdW5aY2FiaWJtYUpjT2RXYk0yM3JBdEdYQQp0YlFIYVZneHJldEZFREx0Ym9IMFB3Qit3eFNHdFh4WUFwSXR0RkowNWM3QWc1OVhWSFc2akdiYWd2VVlPcDFQCmdGVndSbjdwT1daNlNHTDBqdXgvbTl2UzZoakZ1aVVhVXhkM2ZOSVNKbUljRjZ2MTlmVTQwV3kyYXBCK1B0bHIKOU5zM2RpSGhBb0dCQU01ZW9QcFNGNmp0U1V0NTlERktZdUJUUG9wQWxiZFlxM0QvWnVBQlpkaFdJWXNoS1JvRwpUSGhjaTFlKzBPbmZlZ2pvMzhGM0syaHVJRVdrNEFhQ25QaWVyRWc3Yk1mVjNkMjYyNHBFeGRBN3J5Y1JvaWJuClJlTVA5K1BvVy9IaXJVQW4wUFdyRFUydEpLekxwNlhCcnozeE02VmFiWGxFcnNnZ0pybHN1cEwzQW9HQkFQM2gKWW5QLzVWWHBWeUtvMkhuZEEwWkwwK0pscFhNeFY4NDA4ZE1QMXE1WkVQbkZ2aVNXVjlLdFJVa3lCR2ZDUW1WeApEWkp3KzBRcmZUbXV5elZ6aUFZTFJJbHJKZ285QmN0NmRGUmpFaUo4NkVIeGdlV1J5UkhmaUZqalhqSXlCVGYyCmFxOGM2UlBTZmEyTEh1SVBlZEZVY2lrN0Z5WDg4dzJabkpBcjJFM3hBb0dBWnBOVWtuZkJlTjdRNHFvd2ZWdUwKQUJPQWIzbWdzU3hxc3RUUURxSERQSis3Tm90NkFZeUY4QUdYNVRwY1h4TU1kbWRCNk1qU0U2dEJjVHg5ZWQ3cwpKUXZCZUhuSkhSOHBrMit3ZGU2dklFeTZSOElWQmg5SWRvOVdXTHNERUp6cUhveHI2ZUJtMFdneFpZNG91MVFsClJiV2hSUnhJYzlGMnl0Um9TeHhITklzQ2dZQmRxSFQ2bUMrUmx3aG5KK1RjYUJWYUxJVVpJeWg3SzN2Wi9ad3MKb2M0ditYbVN1MGxmRS91SUpCWElYK1JTSnM3NXYxQWpjdnl1OUdBNUZHdXc1MU1KNzhRejhjeFJ3SnRQcW5nWgozWWFHSkpCR0s0TWhIcndQbE9nbTZwSUljSDJPWEtDVXcxU1UxSFU2dlhVQ0xuVmhMUWNFZ09FVVNaR2N0Y3VWClFDZUc4UUtCZ0UrMkFrZTR3QlRnZDhuZFhlTHRPcHBRZ21IUVViZUN1elZyRzFEVEJxam0rcVpnSzhKR2RUdXIKUDhybjY3TGNFSFpyRlJVODEwQXJUNU92QXRGOTlnU0dnKzd1Q2x5bzJtVGtxZWRIUTZ6RVZld0JUQlFQUEx1VAp6UGRYbjl5cTZSaVZPajU1QUROdmFuNXdQNUE3clRSTGZjNXZqQWRmV3hmYUZqYVIxNE85Ci0tLS0tRU5EIFJTQSBQUklWQVRFIEtFWS0tLS0tCg== token: eyJhbGciOiJSUzI1NiIsImtpZCI6Ik1oVnpzUlUzRU4zbXJRV2F5VUZMc3JmYWFBTWMyWU1IenY1d1NET1U0bDgifQ.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.nVS3WCiIU90o5WIYG9iHYE90Gfox_Q5eHNzz3UsGLDDBIfgDt7veX-4pl7GLV8FFsAap0fTLo_pU7sbehd5mOYcgh_QRlZ3ELR4mVZYNW6fmPBFZn7Tbjv7LLieGDPzELrefQJwS4sZus2WsH1OdQbMIry6AYKpl5AAKw4rhh_679QnEBjCsJiEebg0hzlKyXoXGqmaGwfetsCB5DOmoNss2WbIKfGJ7pasTTKa29F3T19NIh9VbDmavyvYZp9VPgfcKiuBKlxrakzwH9fosS8V3faMgH64CMIWwrEqv1cybd85gQkA1u0SGZ5mOQJ3tYWGHGJBFlO8J-RKSo8gJOw
[root@k8s-master ~]# cp .kube/config /usr/local/k8s-dashboard.kubeconfig [root@k8s-master ~]# cd /usr/local/ [root@k8s-master local]# ll total 8 drwxr-xr-x. 2 root root 6 Apr 11 2018 bin drwxr-xr-x. 2 root root 6 Apr 11 2018 etc drwxr-xr-x. 2 root root 6 Apr 11 2018 games drwxr-xr-x. 2 root root 6 Apr 11 2018 include -rw------- 1 root root 6425 Aug 3 17:48 k8s-dashboard.kubeconfig drwxr-xr-x. 2 root root 6 Apr 11 2018 lib drwxr-xr-x. 2 root root 6 Apr 11 2018 lib64 drwxr-xr-x. 2 root root 6 Apr 11 2018 libexec drwxr-xr-x. 2 root root 6 Apr 11 2018 sbin drwxr-xr-x. 5 root root 49 Mar 30 2019 share drwxr-xr-x. 2 root root 6 Apr 11 2018 src [root@k8s-master local]# sz k8s-dashboard.kubeconfig
# 登录的时候，选择文件认证的方式登录即可
安装部署 metrics-server 插件
链接：https://pan.baidu.com/s/1QRndSG88L5w-_DHfMxrd_g 提取码：62dj 复制这段内容后打开百度网盘手机App，操作更方便哦 [root@k8s-master ~]# unzip metrics-server-master.zip [root@k8s-master ~]# cd metrics-server-master/deploy/1.8+/ [root@k8s-master 1.8+]# ll total 28 -rw-r--r-- 1 root root 397 Nov 12 2019 aggregated-metrics-reader.yaml -rw-r--r-- 1 root root 303 Nov 12 2019 auth-delegator.yaml -rw-r--r-- 1 root root 324 Nov 12 2019 auth-reader.yaml -rw-r--r-- 1 root root 298 Nov 12 2019 metrics-apiservice.yaml -rw-r--r-- 1 root root 1091 Nov 12 2019 metrics-server-deployment.yaml -rw-r--r-- 1 root root 297 Nov 12 2019 metrics-server-service.yaml -rw-r--r-- 1 root root 517 Nov 12 2019 resource-reader.yaml
修改安装脚本
[root@k8s-master 1.8+]# vim metrics-server-deployment.yaml --- apiVersion: v1 kind: ServiceAccount metadata: name: metrics-server namespace: kube-system --- apiVersion: apps/v1 kind: Deployment metadata: name: metrics-server namespace: kube-system labels: k8s-app: metrics-server spec: selector: matchLabels: k8s-app: metrics-server template: metadata: name: metrics-server labels: k8s-app: metrics-server spec: serviceAccountName: metrics-server volumes: # mount in tmp so we can safely use from-scratch images and/or read-only containers - name: tmp-dir emptyDir: {} containers: - name: metrics-server image: mirrorgooglecontainers/metrics-server-amd64:v0.3.6 # # 修改镜像下载地址 args: # 添加以下内容 - --cert-dir=/tmp - --secure-port=4443 - --kubelet-insecure-tls - --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname ports: - name: main-port containerPort: 4443 protocol: TCP securityContext: readOnlyRootFilesystem: true runAsNonRoot: true runAsUser: 1000 imagePullPolicy: Always volumeMounts: - name: tmp-dir mountPath: /tmp
# 执行脚本 [root@k8s-master 1.8+]# kubectl apply -f . clusterrole.rbac.authorization.k8s.io/system:aggregated-metrics-reader created clusterrolebinding.rbac.authorization.k8s.io/metrics-server:system:auth-delegator created rolebinding.rbac.authorization.k8s.io/metrics-server-auth-reader created apiservice.apiregistration.k8s.io/v1beta1.metrics.k8s.io created serviceaccount/metrics-server created deployment.apps/metrics-server created service/metrics-server created clusterrole.rbac.authorization.k8s.io/system:metrics-server created clusterrolebinding.rbac.authorization.k8s.io/system:metrics-server created [root@k8s-master 1.8+]# kubectl top nodes NAME CPU(cores) CPU% MEMORY(bytes) MEMORY% k8s-master 887m 22% 1701Mi 59% k8s-node1 158m 7% 954Mi 35% k8s-node2 137m 6% 894Mi 32% # 以下情况表示还没创建完成，等待1-3分钟即可 [root@k8s-master 1.8+]# kubectl top nodes Error from server (ServiceUnavailable): the server is currently unable to handle the request (get nodes.metrics.k8s.io) [root@k8s-master 1.8+]# [root@k8s-master 1.8+]# kubectl top nodes error: metrics not available yet
