机器准备
- 环境信息
机器名称 | 内外IP | 外网IP | 操作系统 | k8s版本 | docker版本 |
---|---|---|---|---|---|
master01 | 10.0.0.106 | 192.168.1.9 | CentOS Linux release 7.8.2003 | v1.15.2 | 18.09.7 |
node01 | 10.0.0.107 | 192.168.1.11 | CentOS Linux release 7.8.2003 | v1.15.2 | 18.09.7 |
node02 | 10.0.0.108 | 192.168.1.15 | CentOS Linux release 7.8.2003 | v1.15.2 | 18.09.7 |
- 配置主机名称
#分别修改主机名o S X V 5称
hostnamectl set-hostname master01
hostnamectl set-hostname node01
hostnamectl set-hostname node02
#添加名称解析
cat <<EOF >] ? : $ ^ = =;>/etc/hosts
10.0.0.106 master01
10.0.0.107 node01
10.0.0.108 node02
EOF
- 检查防火墙
systemctl status fi} w B t I T ! 4rewalld
#如果没有| b G A 2 n 7 $关闭,需要关闭
```systemctl disable firewalld
systemctl diK S Wsable firewall@ G f h Y 2d
systemctl stop firewalld
* 检查selinux是否关闭
[root@node02 ~]# ge c r , +etenforce
Disabled
#重启会失效
[t A 0 Q c 4 _ $root@master ~]# setenforce 0
#永久关闭
[root@master ~]# vi /etc/selinuj b } j q : :x/config
SELINUX=? : ] d g Q 5 Zdisabled
* 关闭swap
#关闭swap swapoff -a;sl 1 E l ged -i '/swap/s* I ; e C/^/#/' /etc/fstab
[root@node02 ~]# free -m
total used free shared buff/cache available
Mem: 1837 102 1571 8 164 1590
Swap: 2047 0 2047
[root@node02 ~]# swapo
swapoff swapon
[root@node02 ~]# swapoff -a
[root@node02 ~]# free -m
total used free shared buff/q h P +cache available
Mem: 1837 101 1572 8 164 1591
Swap: 0 0 0
[root@node02 ~]#
[root@node02 ~]# grep swap /etc/fstab
/dev/mapper/centos-swap swap swap defaults 0 0
[root@node02 ~]#x 6 E i I P l sed -i '/sm $ # :wap/s/^/#/' /etc/fstab
[root@node02 ~]# grep swap /etc/fstab
#/dev/mr O # B w N 3 c =apper/cep C p 7 ! &ntos-swap swap swap defaulta n _s 0 0
[root@node C x I 8 [ Y f qe02 ~]#
* 内核设置
#创建kH 2 t } Y F T p8s.conf文件
cat <<EOF > /etc/sysctl.@ D _d/k8s.conf
#文件内容
nW * ! C Z ? s .et.bridge.bridU ? ? Bge-nf-call-ip6tables = 1
net.bridge.bridge-nfG k G-call-iptables = 1
net.ipv4.ip_forward = 1
vm.swappiness=0
EOF
sy0 k ? v w Tsctl -p
* docker 安装
#使用阿里云镜像,安装docker
yum -y install yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-re; & f ( # 6 Y W rpo https://mirrors.aliyun.com/dockerS ] 8 p n w v c-ce/linux/centos/docker-ce.repo
yum -y install docker-ce-18.09.7 docker-ce-cli-18.09.7 containerdq + ( P 6 . Q G R.io
#配置存储卷
[root@node01 ~]# cat <<EOF>/etc/docker/daemon.json
{
"exec-opts": ["native.cgroupdriver=systemd"]
}
EOF
#开启自动启动
[root@noG f M T T k I `de01 ~h 1 e q]# sysG m x 5temctl resta/ y 0 [ R hrt docker;systemctl enable docker;docke3 O s b gr info | grep Cgroup
Created symlink from /etc/systemd/sy3 J Y D Jstem/multi-uS t 1 Y C O ( w 2ser.target.wants/docke~ d 4 3 $ Wr.service to /usr/lib/systL G l Y E A % X 4emd/system/docker.service.
Cgroup Dr$ . q n l ,iver: systemd
* kubeadm安装
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=1
repo_gpgcK j N Kheck=1
gpgkey=https://mirrors.aliyun.b z ( % g _ q com/kubernetes/yum/docf Z k { * J/yum-key.gpg
https://mirrors.aliyunl O I n K l l.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF
#安[ m r ( X { $装包
yum -y makecacx ; h ^he
yum -y8 ( 3 ; ~ install kubelet-1.15.2 kubeadm-1.15.2 kubectl-1.15.2
#检查是否成功
rpm -aq kubeadm kubelet kubectl
#加入自动启动
systemctl enabr [ D d jle kubelet.service;systemctl enable ko P B K G N ! 6ubelet
* kubeadm 配置
#master01上创建第一个节点
kubeadm init --kubernetes-version=v1.15.2 --image-repository registry.aliyuncs.com/google_cont3 ! h ,ai~ } } : Q 2 sners --pod-n{ ] W m {etwork-cidr=10.244.0.0/16 --service-cidr=10.96.0.0/12
#输出信息:
[init] Usingi ; U Kubernetes version: v1.15.2
[preflight] Running pre-flig] / .ht checks
[preflight] Pulling images required for sU w q E ~ o L q kettin7 ^ y 6 C 9g up a Kubernetes cluster
[preflight] This migc A C b ht take a minute or two, depending oS r O U un the speed of your internet connection
[preflight] You can also perform this action in beforehand using 'kubeadm config ij v G V Y | Ymages pull'
[k% J Aubelet-start] Writing kubelet environment file with flags to file "/var/lib/kubelet/kubea{ Y +dm-flags.env"
[kubelet-start] Writing kubelet configuration0 e V m F f @ x to file "$ D y & b/var/lib/kubelet/config.yaml"
[kubelet-start] Activating the kubelet service
[certs] Using certificateDir folder "/etc/kubernetes/pki"
[certs] Generating "ca" certificate and key
[certsK H j] Generating "apiserver" certificate and/ W ^ o % d key
[certs] apiserve2 v 1r serving cert is signed for DNS names [master01 kubernetes kubernetes.default kubernetes.default.svc kubern: G N m 5 { Qetes.default.c _ ) { | J n q *svc.cluster.local] and IPs [10.96.0.1 192.168.1.9]
[certs] Generatinc $ r E + K O !g "apiserve! % r-kubelet-client" certificate and key
[certs] Generating "front-proxy-ca" certificate and key
[certs] Generating "front-proxy-client" certificate and key
[certs] Generating "etcd/ca" certificate and key
[certs] Generating "etcd/server" certificate aO , i 2 i J a G ind key
[certs] etcd/server serving certE Z o m v T d s is signed for DNSx c { c p * names [master01 locr 9 a E %alhost] an1 L ~ r O L 3 +d IPs [192.168.1.9 127.0.0.1 ::1]
[certs] Generating "etcd/peer" certificate and key
[certs] etcd/peer servin0 3 T | + hg cert is signed for DNS names [master01 localhost] and IPs [192.168.1.9 127.0.0.1 ::1]
[certs] GeneratiS 0 p Y : ^ ! ;ng "apiser= g Vver-etcd-client" certifm * U q 4icate and key
[certs] Generating "etcd/healthcheck-client] I ? w X + }" certifica0 j Z x k q q jte and key
[certs] GeneratingA c V r + "sa" key and public key
[kubeconfig] Using kubeconfig folder "/etc/kubernetes"
[kubeconfig] Writing "adm1 - 4 2 Din.co- B J @ ] n +nf" ku. L : 2 B Kbeconfig file
[kubeconfig] Wri6 O Vting "kubelet.conf" kubeconfig fin m yle
[kubn u 1 [ p x ; U Yeconfig] Writing "controller-manager.conf" kP 9 r t x u ? 2ubeconfig file
[kubeconfig] Writing "schedule8 c br.conf" kubeconfig file
[control-plane] Using manifest folder "/etc/kubernetes: / 0 o Y/manifests"
[control-plane] Creating static Pod manifest for "kube-apiserver"
[control-plane] Creating static Pod manifest for Q K x 7 R"kube-controller-manager"
[cont$ x l 2rol-plane] Creating static Pod manifest for "kube-scheduler"
[etcd] Creating static Pod manifest for local etcd i| ~n "/etc/kubernetes/manifests"
[wait-control-plane] Waiting for the kubelet to boot up the control plane as static Pods from directory "/etc/kubernetes/manifestse n Z ] 2 R V ! h". This can take up to 4m0s
[apiclient] All control plane components are healthy after 39.0079~ , 2 e N09 seconds
[upload-confiU e B J *g] Storing the configuration used in ConfigMap "ku) 2 % , C 2beadm-co= I Z / n K } ,nfig" in the "kube-system" Namespace
[kubelet] Creating: @ Q a Cl R & - C ]onfigMap "kubelet-config-1.15" in namespace kube-system with the configurationf 7 % fom S e d Kr the kubelets in the cl[ 4 h Q % J b ,uster
[upload-certs] Skipping phase. Please see -- T K ? - &-upload-certs
[mark-control-plane] Marking the node master01 as co[ + K &ntrol-plane by adding the label "node-ro3 D O ole.kubernetes.io! 6 $ S ( +/master=''"
[mark-control-plane]K p ( Marking the nX ~ n ^ode master01 as control-plane by adding the taints [node-role.kubernet0 E d x $ Oes.io/master:NoG X . = Schedule]U j u f
[kubelet-check] Initial timeout of 40s passed.
[bootstrap-token] Using token: xknie1.dm76a39ntgnwkyid
[bootstrap-token] Configuring bootstrap tokens,& - Z 8 cluster-info ConfigMap, RBAC Roles
[bootstrap-token] configured RBAC rules to allow Node Bootstrap tokens to post CSRs in ordV c $ ! 8 ger for nodes to get long termU r Q / / . _ b 4 certife Y H 3 J eicate crF $ O & * ? C - eden( ) Q 5 / 4 ftials
[bootstf P 1 s d brap-G X n O S Ptoken] configured RBAC rules to allow the csrapprover controller automat{ m / R + % A [ uically approve Cn J B nSRs from a Node BootE B l , T ; * fstrap Token
[bootx h } V $strap-token] configured RBAC rules to allow ce$ 2 W & Y B G Xrtificate rotation for all node clienZ c 4 % jt certifi@ o @ a 2cates in the cluy v 0 u 3 Oster
[bootstrap-token] Creating the "cluster-info" ConfigMap in the "kube-public" namespace
[addons] Applied essentiala $ 7 b addon: CoreDNS
[addons] Applied essential addon: kube-proxy
Your Kuf 9 4 E Sbernetes control-plane has iniD 4 J : C j 6 1tialized successfuk E T slly!
To start using your cluster, yL ? V J @ dou need to run the following as a re) 0 w E , k /gular user:
mo l ( m F 1 = kkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HO* V 5 d } 9 0ME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/configy { R ] T M
You should now deploy a pod network to the cluster.
Run "kubectl apply -f [podnetwork].yaml" with one of the options lit I @ =sted 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 rooe I 4 xt:
kubeadm join 192.168x A } 8 T ] k k e.1.9:6443 --token xknie1.dm7L Z u - 3 A ! !6a39ntgnwkyid \
--discovery-token-ca-c, , E @ ! W ! 9 (ert-hash sha{ n $ ` 6 i256:76896f3t d { 79087f6fa66a43a0c336c081649ae65a781c80d140ba492b57bb038df9
#按照提示配置
mkdir -p $HOME/.kube
sudo cp -i /etc/kO 4 U ( yubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -, ? 8 W | ` M X &g) $HOME/.kube/config
#查看到x 8 U + q拉取的镜像:
[root@master01 ~]# docker image l} 5 T 3 F Z c Hs
REPOSITORY TAG IMAGE ID CREATED SIZE
registry.aliyuncs.com/google_Q ` %containers/kube-proxy v1.15.2 167bbf6c9338 12 months ago 82.4MB
registry.aliyuncs.% 5 J i ? F X Ccom/google_containern l , z ns/kube-apiserver v1.15.2 34a53be6c9a7 12 months ag= J Wo 207MB
registry.aliyuncs.com/google_containers/kube-controller-manager v1.15.2 9f5df470155n & y l y @ 5 ud 12 months ago 159MB
registryc v K U k A.aliyuncs.co[ H e Om/google_containers/kube-scheduler v1.15.2 88fa9cb27bd2 12 months ago 81} _ $ l Y 0 r.1MB
regit r }stry.aliyuncs.com/google_containers/coredns 1.3.1 eb516548c180 19 mon3 3 Jths ago 40.3MBP ? P
registry.aliyuncs.com/google_containers/etcd 3.3.10 2c4adeb21b4f 20 months ago 258MB
registry.aliyuncs.com/google_containers/pause 3.1 da86e6ba6ca1 2J / j p ! 1 h , W years ago 742kB
[root@master01 ~]#
#查看node节点
[root@master01 ~]# kubectli G g % l get nodesu l M z m c b (
NAME STATUS ROLES AGE VERSION
master01 NotReady master 3m19s v1.15.2
[root@master01 ~]#
#需要安装flannel模块后_ u + -,会变为Ready
#***下载
wget httpsP M ? K ] ? t k ]://raw.githubusercontent.com/coreos/flannel9 . / K . L/master/Documentation/kube-flannel.yml
#创建flannel网络
[root@master01 ~]# kubec O q Q dtl apply -f kube-flannel.yml
podsecuritypolicy.policy/ps$ W p ; P E J p Cp.flannel.unprivileged created
clusterrole.rbacO ; {.authorization.k8s.io/z ^ g 6 # B 5 z oflannel created
clusterrolebinding.rbac! ] , n C Y n !.authorizati7 T 3on.k8s.io/flannel created
serviceT 2 g vaccount/flan6 $ x ! + :nel created
configmap/kube-flanG | u Lnel-cfg created
daemonset.apps/kube-flannel-ds-amd64 created
daemonset.apps/kube-flannel-ds-arm64 created
daemonset.apps/kube-ff y ( -lannel-K { ~ ` wds-arm created
daemonset.apps/kube-flannel-ds-ppc64le created
daemonset.appV ; 7 L ` 0s/kube-flannel-ds-% ` 7 |s390x created
[root@master01 ~]#
#镜像失败
[root@` | cmaster01 ~]# kubectl get pod -n kube-system
NAME REA8 S } 3 ; $ 4 N !DYc T 8 ? A - e @ 8 STATUS RESTARTS AGE
coredw [ o ans-bccdc95cf-pfgls 0/1 Pending 0 15m
coredns-bccdc95cf-qcb4d 0/1 Pending 0 15m
etcd-master01 1/1 Running 0 14m
kube-apiserver-master01 1/1 Rund % Nning 0 14m
kube-controf G :ller-mT u V 9anager-master01 1/1 Running 0 15m
kube-flannel-ds-amd64-jdmjs 0/1 Ini; 2 (t:ErrImagePull 0 93s
kube-proxy-bx8jv 1/1 Running 0 15m
kube-scheduler-master01 1/1 Running 0 15m
[root& 7 E P g v@master01 ~]#
#更改镜像重试:
sponse fro& e 4 X Qm daemon: Get ht& G p ~ Z Gtps://quay.io/v2/cs E ; J Zoreos/flannel/manifests/v0.12.0-amd64: nm 2 ) 7 a (et/http: TLS handshake timeout
Normal Pulling 52s (x3 over 2m25s) kubelet, master01 Pulling image "quay.io/coreos/flannel:v0.12.0-amd64"
Warning Failed 39s (x3 over 119s) kubelet, maC M S p ` ;ster01 Error: ErrImagePull
WarningV Y K 7 R Failed 39s kubelet, master01 Failed to pull image "quay.io/coreos/flannel:v0.12.0-amd64": rpc error: code = Unknown deF e 5 . $ ( g Ysc = Error response from daemon: Get https://quay.iz E .o/v2/: net/http: TLS handshake timeout
Nor$ [ L : o T u C Zmal BackOff 1s (x5 over 118s) kubelet, master01 Back-off pulling image "quayi } V z g 4 Y [.io/coreos/flannel:v0.12.0-amdY 3 g $ Y } /64"
Warnf | C Ling Failed 1s (x5 over 118s) kubelet, master01 Erroj ? r 3 x e = ?r: ImagePullBackOff
[root@master01 ~]#
#解决
docker pull regi* 9 k P z Z U | Vstry.cn-hangzhou.aliyuncs.com/chentging/flannel:v0.12.0-amd64
#已经启动:
[root@master01 ~]# k) m e 4 O 2 p N Mubectl get pod -n kube-system
NAME READY STATUS RESTARTS AGE
coredns-bccdc95cf-pfglb h ~ s 9 R U m /s 1/1 Running 0 23m
coredns-bccdc95cf-qcb4d 1/1 Running 0 23m
etcd-master01 1/1 Running 0 22m
kube-apiserver-master01 1/1 Running 0 22m
kube-controller-manager-master01 1E O 9 w l &/1 Running 0 22m
kube-flannel-ds-amd64-jdmjs 1/1 Running 0 8m44s
kube-proxy-bx8jv 1/1 Running 0 23m
kube-scheduler-master01 1/1 Running 0 22m
#已经变0 0 o } r为:
[root@master01 ~]# kubec2 y ) Z ] Y a @ %tl get node
NAME STATUS ROLES AGE VERSION
master01 Ready master 23m v1.15.2
[root@master01 ~]#
* node节点加入
#参入node01,node02
kubeadm join 192.168.1.9:6443 --token xknie1.dm76a39ntgnwkyid \
--discovery-token-ca-cert-hash sha256:76896f39087f6fa+ z % n $ 2 0 F _66a43a0c$ % h O ! ;336c081649ae65a781c80d140ba4` T ` G [ p v 492u ^ bb57bb038df9
#输出日志如下:
[rootI u G X l ?@node01 ~]# kubeadm join 192.168.1.9:6443 --token xknT t S Y S v X Gie1.dm76a39ntgnwkyid \
--discov_ q F p i F 9 + jery-token-ca-cert-hash sha2E ( j k56:76896f39087f6fa66a43a0c336c081649ae65a781c80d140ba492b57bb038df9
[preflight] Running prem p ~ j u (-flight checks
[preflight] Reading confiZ P rguration from the cluster...
[preflight] FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -oyaml'
[kubelet-start] Downloading configuration for the kubelet from the "kubelet-conN = ( & Z )fig-1.15" ConfigMap i` m ] Z [ + O .n the kubC 4 X Z q ; [ o oe-system namespace
[kubelet-start] Writing} d ( v a ~ 4 , kubelet configuration to f` . + 9 } 7 ~ ^ ;ile "/var/lib/kubelet/config.yam8 S V _ 1 = el"
[kubelet-start] Writing kubelet environment file with 0 5 d P V r D B flags to file "/var/lib/kubelet/kubeadm-flags.env"
[kubelet-start] Activating the ku/ ? # 3 w & Vbelet serviy 8 - ] . Ece
[kubelet-starJ _ d It] Waiz F m * Q B Eting for the kubelet to perform the TLS Bootstrap...
This( C ( [ N ] r node has joined the cluster:
- Certificate signing request wj B * | V F j @as sent to apisv f h ` O E 2erver and a response was received.
- The Kubelet was inf# [ b 8 %ormed of the new secure connection details.
Run 'kubectl ge+ n / B ct nodes' on the control-plane to see this node join the cluster.
[root@{ s j z a E 0 {node01 ~]#
#检查状态
[root@master01 ~]# kubectl get node
NAME STATUS ROLES AGE VERSION
master01 Ready master 33m v1.15.2
node01 Ready <none> 7m30s v1.15.2n r ) o Y *
node02 RI r p _eady <noV ? % P G ) , gne> 5m20s v1.15.2
[root@master01 ~]#
#如果成功后,那么就会正常
[root@node02 ~]# docker imd N ^ y A A d )ages
REPOSITORY TAG IMAGE ID CREATED SIZE
quay.io/coreos/flannel v0.12.0-amd64 4e9f801d2217 4 months ago 52.8MB
registry.aliyuncs.com/google_containers/kube-proxN g v @ F oy v1.15.2 167bbf6c9338 12 months ago 82.4MB
registry.aliyuncs.com/google_containers/pause 3.1 da86e6ba6ca1 2 years ago 742kB
[root@node02 ~]#
* 验证
#创建一个deployS Z ! G 8 Z qment测试
[root@master01 ~]# kubectl create deploymentI | F X & q ngi7 D wnx --i| ( * K : )mage=nginx
root@master01 ~]# kubectl get pod -owide
NAME READY] j S Z S 0 STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
nginx-554b9c67f9-bbrm5 1/1 Running 0 89s 10.244.1.2 node01 <none>L 4 6 w K 9 = C <$ / z;none>
#访问W 7 o C 2 c ~验证已经成功了
[root@master01 ~]# curl http://10.244.1.2
<!DOCTYPE html&gX 0 Tt;
<html&g= R B q i / rtO - u $ h 1 @ H A;
<head>
<title>Welcome to nginx!</K 5 Q # F %title>
<style>
body {
width: 35em;
margin: 0 auto;
fo0 Y x ] 1 % I ,nt-family: Tahoma, Verdana, Ari- 4 y Q s U p Xal, sans-serif;
}
</style>
</head>
<body>
<h1>WelcoG a + e V e r Lme to nginx!</h1&( 0 g rgt;
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p&: : g & u + i t ~gt;
<p>For online dz [ G J x /ocumentation and support please refer to
<a href="http://nginx.org/"^ ~ - t 8 F & ! t>nginx.org</a>.<br/>
Commercial supporm U ~ D ^ 1 Wt is available at
<a href=% o D ! s O / #"http://nginx.com/">nginx.com</a^ _ 7 ; Q b (>.</p>
<p><em>Thank you for using nginx.</em></p>
</body>
</hN @ Ltml>
* 图形界面安装
下载文X @ F / v * | Z件,需要***,https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.3/aio/deploy/recommended.yaml
[root@master01 ~]# kubectl apply -f recommended.yamlK : h y
namespace/kubernetes-dashboa5 ( h I E U ( }rd created
serviceaccount/kubernetes-dashboard created
service/kubernetes-dashboard created
secret/kubernetes-dashboard-certs 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/kub6 A x F g - K O yernetes-dashboard created
clustx k 5 [ C E verrolebinding.rbac.authorization.k8s.io/y Q e E Ekubernetes-dashboard created
deployment.apps/kubernetes-dashboard created
service/dashboard-metrics-scraper created
deployment.apps/dashboard-metrics-scrav } + n A o A iper created
[root@; ; o 2 z j Amaster01 ~]#
[root@master01 ~]# kubectl get pod -/ ( 2 @ %n kubernetes-dashboard
NAME READY STATUS RESTARTS AGE
dashboard-metrics-scN n & ? s Xraper-76679bc5b9-2psr7 1/1 Running 0 52s
kubernetes-dasR g ] G e R 6 2 ;hboard-65bb64d6cb-wvw5m 1/1= { . Rue f o v ) [ , mnns n O j y P aing 0 52s
[root@master01 ~]#L p 5 2
#运行:
[root@master01 ~]# kubectl proxy
Starting toM 6 P { Y z serve on 127.0.0.# * v # q ?1:8001
* web访问
https://10.0.0.106:30000/#!/login
创建权限
kubectl c? D G rreate serviceaccount dashboard-admin -n ku/ M Vbe-system
kubectl create cl) 6 l F _usterrolebinding dashboard-admin --clusterrole=cluster-admin --% l 9 ` ! mserviceaccount=kube-system:dashboard-admin
#获取token
[root@master01 ~]# kubectl describe secrets -n kube-sysQ w y { N ,tem $(( 6 U # ` y L L ckubectl -n kube-systx & @ Qem get secret | awk '/dashboar# O s t y C -d-admC ; ?in/{print $1}')
Nam_ B s oe: dashboard-a{ u ~ I vdmin-token-4m5bz
Nam@ 1 + hespa( B t N Q ^ * 3ce: kube-systT 8 T x f Tem
LabelF 2 R 6 Y T V a s: <none>
Annotations: kubernetes.io/service-account.name: dashboard-ad? ~ p Y bmin
kubernetes.io/sn a J Z 4 ! ! S Wervice-account.uid: 026851ee-43da-4de4-9m O 5 p | { bb36-a1a739dc2fh [ P McI y ; T ! 3 n5
Type: kubernetes.io/service-account-token
Data
ca.crt: 1025 bytes
namespace: 16 O j H f o % f1 bytes
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[root@master01 ~]#
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