k8s之Dashboard插件部署及使用
目录- k8s之Dashboard插件部署及使用
1. Dashboard介绍
Dashboard（仪表盘）是基于Web的Kubernetes用户界面。
可以使用仪表盘将容器化应用程序部署到Kubernetes集群，对容器化应用程序进行故障排除，并管理集群本身机器伴随资源。
可以使用仪表盘来概述集群上运行的应用程序，以及创建或修改单个Kubernetes资源（例如部署，作业，守护进程等）。
例如：可以使用部署向导扩展部署，启动滚动更新，重新启动Pod或部署新应用程序。仪表盘还提供有关集群中Kubernetes资源状态以及可能发生的任何错误的信息。
2. 服务器环境
本次部署环境为k8s多Master节点
3. 在K8S工具目录中创建dashboard工作目录
[root@master01 ~]# mkdir /opt/k8s/dashboard
[root@master01 ~]# cd !$
cd /opt/k8s/dashboard
[root@master01 dashboard]# rz -E
#上传Dashboard.zip压缩包
rz waiting to receive.
[root@master01 dashboard]# unzip Dashboard.zip
#解压
Archive: Dashboard.zip
inflating: dashboard-configmap.yaml
inflating: dashboard-controller.yaml
inflating: dashboard-rbac.yaml
inflating: dashboard-secret.yaml
inflating: dashboard-service.yaml
inflating: k8s-admin.yaml
inflating: dashboard-cert.sh
[root@master01 dashboard]# ls
dashboard-cert.sh dashboard-controller.yaml dashboard-secret.yaml Dashboard.zip
dashboard-configmap.yaml dashboard-rbac.yaml dashboard-service.yaml k8s-admin.yaml
4. 核心文件说明
| 核心文件 | 说明 |
|---|---|
| dashboard-rbac.yaml | 用于访问控制设置，配置各种角色的访问控制权限及角色绑定（绑定角色和服务账户），内容中包含对应各种角色所配置的规则（rules） |
| dashboard-secret.yaml | 提供令牌，访问API服务器所用（个人理解为一种安全认证机制） |
| dashboard-configmap.yaml | 配置模板文件，负责设置Dashboard的文件，ConfigMap提供了将配置数据注入容器的方式，保证容器中的应用程序配置从Image内容中解耦 |
| dashboard-controller.yaml | 负责控制器即服务账户的创建，来管理pod副本 |
| dashboard-service.yaml | 负责将容器中的服务提供出去，供外部访问 |
Dashboard一共有7个文件，其中包含5个构建该界面的核心文件，一个k8s-admin.yaml文件是自己写的，用来生成待会在浏览器中登录时所用的令牌；一个dashboard-cert.sh，用来快速生成解决谷歌浏览器加密通信所需的证书文件。
核心文件官方下载资源地址：https://github.com/kubernetes/kubernetes/tree/master/cluster/addons/dashboard
4.1 查看dashboard-rbac.yaml
[root@master01 dashboard]# cat dashboard-rbac.yaml
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
labels:
k8s-app: kubernetes-dashboard
addonmanager.kubernetes.io/mode: Reconcile
name: kubernetes-dashboard-minimal
namespace: kube-system
rules:
# Allow Dashboard to get, update and delete Dashboard exclusive secrets.
- apiGroups: [""]
resources: ["secrets"]
resourceNames: ["kubernetes-dashboard-key-holder", "kubernetes-dashboard-certs"]
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 from heapster.
- apiGroups: [""]
resources: ["services"]
resourceNames: ["heapster"]
verbs: ["proxy"]
- apiGroups: [""]
resources: ["services/proxy"]
resourceNames: ["heapster", "http:heapster:", "https:heapster:"]
verbs: ["get"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: kubernetes-dashboard-minimal
namespace: kube-system
labels:
k8s-app: kubernetes-dashboard
addonmanager.kubernetes.io/mode: Reconcile
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: kubernetes-dashboard-minimal
subjects:
- kind: ServiceAccount
name: kubernetes-dashboard
namespace: kube-system
#主要参数说明:
#kind: ServiceAccount 创建service用户，k8s中有两种用户，一种是ServiceAccount(给集群中的pod来访问集群用的)，还有一种是具体的user(给咱们用户使用)
#metadata 创建资源对象的一些元数据
#labels 标签信息
#name 资源对象名称
#namespace 命令空间
#kind: ClusterRoleBinding 创建用于集群绑定的角色，可以帮ServiceAccount绑定到具体的角色中、组中，使它有相应的访问权限
#kind: ClusterRole k8s中有两种角色，一种是ClusterRole(针对于整个集群的命名空间都起作用)，还有一种是普通的角色（只对单个命名空间起作用）
4.2 查看dashboard-secret.yaml
[root@master01 dashboard]# cat dashboard-secret.yaml
apiVersion: v1
kind: Secret
metadata:
labels:
k8s-app: kubernetes-dashboard
# Allows editing resource and makes sure it is created first.
addonmanager.kubernetes.io/mode: EnsureExists
name: kubernetes-dashboard-certs
namespace: kube-system
type: Opaque
---
apiVersion: v1
kind: Secret
metadata:
labels:
k8s-app: kubernetes-dashboard
# Allows editing resource and makes sure it is created first.
addonmanager.kubernetes.io/mode: EnsureExists
name: kubernetes-dashboard-key-holder
namespace: kube-system
type: Opaque
4.3 查看dashboard-configmap.yaml
[root@master01 dashboard]# cat dashboard-configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
labels:
k8s-app: kubernetes-dashboard
# Allows editing resource and makes sure it is created first.
addonmanager.kubernetes.io/mode: EnsureExists
name: kubernetes-dashboard-settings
namespace: kube-system
4.4 查看dashboard-controller.yaml
[root@master01 dashboard]# cat dashboard-controller.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
k8s-app: kubernetes-dashboard
addonmanager.kubernetes.io/mode: Reconcile
name: kubernetes-dashboard
namespace: kube-system
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: kubernetes-dashboard
namespace: kube-system
labels:
k8s-app: kubernetes-dashboard
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
spec:
selector:
matchLabels:
k8s-app: kubernetes-dashboard
template:
metadata:
labels:
k8s-app: kubernetes-dashboard
annotations:
scheduler.alpha.kubernetes.io/critical-pod: ''
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:
priorityClassName: system-cluster-critical
containers:
- name: kubernetes-dashboard
image: siriuszg/kubernetes-dashboard-amd64:v1.8.3
resources:
limits:
cpu: 100m
memory: 300Mi
requests:
cpu: 50m
memory: 100Mi
ports:
- containerPort: 8443
protocol: TCP
args:
# PLATFORM-SPECIFIC ARGS HERE
- --auto-generate-certificates
volumeMounts:
- name: kubernetes-dashboard-certs
mountPath: /certs
- name: tmp-volume
mountPath: /tmp
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
tolerations:
- key: "CriticalAddonsOnly"
operator: "Exists"
#主要参数说明:
#kind: Deployment 是整个集群中使用最频繁的对象，咱们应用服务一般都是使用Deployment来创建
#spec.selector.matchLabels 匹配某个标签
#spec.template.spec.serviceAccountName 指定创建的serviceAccount，使用该账户来访问集群
#spec.template.spec.containers.resources 对容器使用资源限制
#spec.template.spec.containers.ports.containerPort 指定暴露的端口
#spec.template.spec.containers.livenessProbe 健康检查
#spec.template.spec.containers.livenessProbe.initialDelaySeconds 检查间隔时间设置
#spec.template.spec.containers.livenessProbe.timeoutSeconds 检查超时设置
4.5 查看dashboard-service.yaml
[root@master01 dashboard]# cat dashboard-service.yaml
apiVersion: v1
kind: Service
metadata:
name: kubernetes-dashboard
namespace: kube-system
labels:
k8s-app: kubernetes-dashboard
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
spec:
type: NodePort
selector:
k8s-app: kubernetes-dashboard
ports:
- port: 443
targetPort: 8443
nodePort: 30001
#主要参数说明:
#type: NodePort 可以通过在节点上使用nodeIP+端口访问服务
#spec.ports.port 为service在clusterIP暴露的端口
#spec.ports.targetPort 对应容器映射在pod上的端口
#spec.ports.nodePort 为nodeIP暴露的端口
4.6 查看k8s-admin.yaml
[root@master01 dashboard]# cat k8s-admin.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
name: dashboard-admin
namespace: kube-system
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
name: dashboard-admin
subjects:
- kind: ServiceAccount
name: dashboard-admin
namespace: kube-system
roleRef:
kind: ClusterRole
name: cluster-admin
apiGroup: rbac.authorization.k8s.io
4.7 查看dashboard-cert.sh
[root@master01 dashboard]# cat dashboard-cert.sh
#!/bin/bash
#examle: ./dashboard-cert.sh /opt/k8s/k8s-cert/
cat > dashboard-csr.json <<EOF
{
"CN": "Dashboard",
"hosts": [],
"key": {
"algo": "rsa",
"size": 2048
},
"names": [
{
"C": "CN",
"L": "BeiJing",
"ST": "BeiJing"
}
]
}
EOF
#定义一个变量，使用位置变量赋值，作用是指定你证书（依赖证书）的位置
K8S_CA=$1
#根据指定位置的证书进行创建和自签操作
cfssl gencert -ca=$K8S_CA/ca.pem -ca-key=$K8S_CA/ca-key.pem -config=$K8S_CA/ca-config.json -profile=kubernetes dashboard-csr.json | cfssljson -bare dashboard
#生成的文件：
#dashboard.csr：证书请求文件
#dashboard-key.pem：证书私钥
#dashboard.pem：数字签名证书
#清空命名空间中的认证
kubectl delete secret kubernetes-dashboard-certs -n kube-system
#重新创建生成到指定的目录中（当前目录）
kubectl create secret generic kubernetes-dashboard-certs --from-file=./ -n kube-system
5. 通过kubectl creste命令创建resources
5.1 dashboard-rbac.yaml
规定kubernetes-dashboard-minimal该角色的权限：例如其中具备获取更新删除等不同的权限
[root@master01 dashboard]# kubectl create -f dashboard-rbac.yaml
role.rbac.authorization.k8s.io/kubernetes-dashboard-minimal created
rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard-minimal created
#有几个kind就会有几个结果被创建，格式为kind+apiServer/name
查看类型为Role,RoleBinding的资源对象kubernetes-dashboard-minimal是否生成
[root@master01 dashboard]# kubectl get role,rolebinding -n kube-system
#-n kube-system表示查看指定命名空间中的pod，缺省值为default
NAME AGE
role.rbac.authorization.k8s.io/extension-apiserver-authentication-reader 3d8h
role.rbac.authorization.k8s.io/kubernetes-dashboard-minimal 2m42s
role.rbac.authorization.k8s.io/system::leader-locking-kube-controller-manager 3d8h
role.rbac.authorization.k8s.io/system::leader-locking-kube-scheduler 3d8h
role.rbac.authorization.k8s.io/system:controller:bootstrap-signer 3d8h
role.rbac.authorization.k8s.io/system:controller:cloud-provider 3d8h
role.rbac.authorization.k8s.io/system:controller:token-cleaner 3d8h
NAME AGE
rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard-minimal 2m42s
rolebinding.rbac.authorization.k8s.io/system::leader-locking-kube-controller-manager 3d8h
rolebinding.rbac.authorization.k8s.io/system::leader-locking-kube-scheduler 3d8h
rolebinding.rbac.authorization.k8s.io/system:controller:bootstrap-signer 3d8h
rolebinding.rbac.authorization.k8s.io/system:controller:cloud-provider 3d8h
rolebinding.rbac.authorization.k8s.io/system:controller:token-cleaner 3d8h
5.2 dashboard-secret.yaml
证书和密钥创建
[root@master01 dashboard]# kubectl create -f dashboard-secret.yaml
secret/kubernetes-dashboard-certs created
secret/kubernetes-dashboard-key-holder created
查看类型为Secret的资源对象kubernetes-bashboard-crets,kubernetes-dashboard-key-holder是否生成
[root@master01 dashboard]# kubectl get secret -n kube-system
NAME TYPE DATA AGE
default-token-4nhtx kubernetes.io/service-account-token 3 3d8h
kubernetes-dashboard-certs Opaque 0 107s
kubernetes-dashboard-key-holder Opaque 0 107s
5.3 dashboard-configmap.yaml
配置文件，对于集群dashboard设置的创建
[root@master01 dashboard]# kubectl create -f dashboard-configmap.yaml
configmap/kubernetes-dashboard-settings created
查看类型为ConfigMap的资源对象kubernetes-dashboard-settings是否生成
[root@master01 dashboard]# kubectl get configmap -n kube-system
NAME DATA AGE
extension-apiserver-authentication 1 3d8h
kubernetes-dashboard-settings 0 73s
5.4 dashboard-controller.yaml
创建容器需要的控制器以及服务账户
[root@master01 dashboard]# kubectl create -f dashboard-controller.yaml
serviceaccount/kubernetes-dashboard created
deployment.apps/kubernetes-dashboard created
查看类型为ServiceAccount,Deployment的资源对象kubernetes-dashboard-setting是否生成
[root@master01 dashboard]# kubectl get serviceaccount,deployment -n kube-system
NAME SECRETS AGE
serviceaccount/default 1 3d8h
serviceaccount/kubernetes-dashboard 1 2m39s
NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
deployment.extensions/kubernetes-dashboard 1 1 1 1 2m39s
5.5 dashboard-service.yaml
将服务发布出去
[root@master01 dashboard]# kubectl create -f dashboard-service.yaml
service/kubernetes-dashboard created
查看创建在指定的kube-system命名空间下的pod和service状态信息
[root@master01 dashboard]# kubectl get pods,svc -n kube-system -o wide
#svc为service的缩写，可用
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE
pod/kubernetes-dashboard-65f974f565-nk4r8 1/1 Running 0 5m7s 172.17.97.3 192.168.122.12 <none>
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR
service/kubernetes-dashboard NodePort 10.0.0.98 <none> 443:30001/TCP 3m37s k8s-app=kubernetes-dashboard
6. 为node节点准备加载dashboard镜像（node节点，以node01为例，该步骤可省略）
为提高速度，我这里已将siriuszg/kubernetes-dashboard-amd64:v1.8.3镜像压缩成tar包，在node节点释放该镜像。
该步骤也可省略，node节点会通过kubernetes公有仓库去自动拉取该镜像。
[root@node01 ~]# cd /opt
[root@node01 opt]# rz -E
#上传镜像包
rz waiting to receive.
[root@node01 opt]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 87a94228f133 2 weeks ago 133MB
centos 7 eeb6ee3f44bd 6 weeks ago 204MB
nginx 1.14 295c7be07902 2 years ago 109MB
registry.cn-hangzhou.aliyuncs.com/google-containers/pause-amd64 3.0 99e59f495ffa 5 years ago 747kB
[root@node01 opt]# docker load -i dashboard.tar
#载入该镜像
23ddb8cbb75a: Loading layer [==================================================>] 102.8MB/102.8MB
Loaded image: siriuszg/kubernetes-dashboard-amd64:v1.8.3
[root@node01 opt]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 87a94228f133 2 weeks ago 133MB
centos 7 eeb6ee3f44bd 6 weeks ago 204MB
nginx 1.14 295c7be07902 2 years ago 109MB
siriuszg/kubernetes-dashboard-amd64 v1.8.3 784cf2722f44 3 years ago 102MB
registry.cn-hangzhou.aliyuncs.com/google-containers/pause-amd64 3.0 99e59f495ffa 5 years ago 747kB
7. 访问测试（多浏览器）
不同浏览器的安全访问策略和防护级别是不同的，由于我们没有给dashboard做证书，因此使用不同的浏览器可能会出现不同的效果，本次使用我们最常用的Edge/Chrome、火狐以及360浏览器进行测试。
由于dashboard-service.yaml定义的nodePort: 30001，因此我们的测试地址应该是pod所属node的30001端口。
7.1 Edge浏览器
无法访问，由于Edge使用的是Chrome内核，因此Google的Chrome也是相同效果，可通过以下步骤查看问题。
chrome浏览器在Security项下查看
发现问题是缺少证书，那么我们为其制作证书即可。
7.1.1 修改dashbaord-controller.yaml
[root@master01 dashboard]# cd /opt/k8s/dashboard/
[root@master01 dashboard]# vim dashboard-controller.yaml
......
args:
# PLATFORM-SPECIFIC ARGS HERE
##在文件的第47行下面添加以下两行，指定加密（tls）的私钥和证书文件
- --auto-generate-certificates
- --tls-key-file=dashboard-key.pem
- --tls-cert-file=dashboard.pem
7.1.2 执行脚本dashboard-cret.sh
[root@master01 dashboard]# cd /opt/k8s/dashboard/
[root@master01 dashboard]# chmod +x dashboard-cert.sh
[root@master01 dashboard]# ./dashboard-cert.sh /opt/k8s/k8s-cert/
2021/11/01 02:35:39 [INFO] generate received request
2021/11/01 02:35:39 [INFO] received CSR
2021/11/01 02:35:39 [INFO] generating key: rsa-2048
2021/11/01 02:35:39 [INFO] encoded CSR
2021/11/01 02:35:39 [INFO] signed certificate with serial number 233541316653231246492121295508109281063386014227
2021/11/01 02:35:39 [WARNING] This certificate lacks a "hosts" field. This makes it unsuitable for
websites. For more information see the Baseline Requirements for the Issuance and Management
of Publicly-Trusted Certificates, v.1.1.6, from the CA/Browser Forum (https://cabforum.org);
specifically, section 10.2.3 ("Information Requirements").
secret "kubernetes-dashboard-certs" deleted
secret/kubernetes-dashboard-certs created
7.1.3 在dashboard工作目录下将生成两个证书、
[root@master01 dashboard]# ls *.pem
dashboard-key.pem dashboard.pem
7.1.4 重新部署dashboard-controller.yaml
注意：当apply不生效时，先使用delete清除资源，再apply创建资源
[root@master01 dashboard]# kubectl apply -f dashboard-controller.yaml
Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply
serviceaccount/kubernetes-dashboard configured
Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply
deployment.apps/kubernetes-dashboard configured
7.1.5 查看分配节点和端口号
由于可能会更换所分配的节点，所以要再次查看一下分配的节点服务器地址和端口号
[root@master01 dashboard]# kubectl get pods,svc -n kube-system -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE
pod/kubernetes-dashboard-7dffbccd68-d8nzh 1/1 Running 0 2m39s 172.17.54.4 node01 <none>
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR
service/kubernetes-dashboard NodePort 10.0.0.98 <none> 443:30001/TCP 149m k8s-app=kubernetes-dashboard
查看发现node节点更换为node1，也就是192.168.122.11。
端口号仍是30001。
7.1.6 访问查看
到此页面，说明可以访问，保持该页面，测试下一个浏览器。
7.2 火狐浏览器
进入该页面，说明可以访问，保持该页面，测试下一个浏览器。
7.3 360浏览器
360浏览器虽然显示证书风险，但未出现任何阻止浏览或风险提示窗口，直接可进入登录页面。
7.4 令牌获取
7.4.1 使用k8s-admin.yaml文件进行创建令牌
[root@master01 dashboard]# kubectl create -f k8s-admin.yaml
serviceaccount/dashboard-admin created
clusterrolebinding.rbac.authorization.k8s.io/dashboard-admin created
7.4.2 获取token简要信息，名称为dashboard-admin-token-xxxxx
[root@master01 dashboard]# kubectl get secrets -n kube-system
NAME TYPE DATA AGE
dashboard-admin-token-n5dcl kubernetes.io/service-account-token 3 86s
default-token-4nhtx kubernetes.io/service-account-token 3 3d11h
kubernetes-dashboard-certs Opaque 11 19m
kubernetes-dashboard-key-holder Opaque 2 170m
kubernetes-dashboard-token-kkpxs kubernetes.io/service-account-token 3 165m
7.4.3 查看令牌序列号，截取“token:”后面的内容
[root@master01 dashboard]# kubectl describe secrets dashboard-admin-token-n5dcl -n kube-system
Name: dashboard-admin-token-n5dcl
Namespace: kube-system
Labels: <none>
Annotations: kubernetes.io/service-account.name: dashboard-admin
kubernetes.io/service-account.uid: e3600e3f-3a7b-11ec-adb1-000c2959bebe
Type: kubernetes.io/service-account-token
Data
====
ca.crt: 1359 bytes
namespace: 11 bytes
token: eyJhbGciOiJSUzI1NiIsImtpZCI6IiJ9.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.kCkjHd8bfgecC_sNrsauvkBy7O09dQY7KAbz-2pNnDwEdKNkAR4y7cwC8zCNLsul7uuHVZs5hCp6iGti1EeUUEMoy8cEBlC4WDOxSQdJQzi9RTCSkCHrReql2nGfGpFHx15JkcyB2CY8BBBRaUvIbe6phX5sOmUlJWf5K4FI0sQHYpefH0vYSr8CWWCeccajlDZPEqgLkUpAUMHT2fjhJNfWgbTZDBMEye6nnyQjS92s8qECF1jBgRbIfTZKWHqPRpKmbz9oFKnKlcH2BBgDonpE3cDSfmSTH6SgYDHKQuGAwV_vjIIP_GMxdXmM_ymGZAdcdw9kd0EBCSdOQH8yIw
7.4.5 使用令牌登录dashboard
将令牌序列号复制填入到浏览器页面中，点击登录
登录成功
8. dashboard操作
8.1 命名空间
8.2 节点
8.3 角色
8.4 工作负载
8.5 命令行
[root@node01 opt]# curl 172.17.54.3
this is nginx_dashboard_test web
8.6 日志
8.7 创建容器
设定完成后，点击部署
完成部署，通过master节点查看
[root@master01 dashboard]# kubectl get pod
NAME READY STATUS RESTARTS AGE
nginx-7d498867b6-5mv26 1/1 Running 0 5m15s
nginx-7d498867b6-spkgq 1/1 Running 0 5m15s
nginx-7d498867b6-w9dvq 1/1 Running 0 5m15s
nginx-test-7dc4f9dcc9-bklg4 1/1 Running 0 6h18m
[root@master01 dashboard]# kubectl get pod -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE
nginx-7d498867b6-5mv26 1/1 Running 0 5m20s 172.17.54.5 node01 <none>
nginx-7d498867b6-spkgq 1/1 Running 0 5m20s 172.17.97.4 192.168.122.12 <none>
nginx-7d498867b6-w9dvq 1/1 Running 0 5m20s 172.17.97.3 192.168.122.12 <none>
nginx-test-7dc4f9dcc9-bklg4 1/1 Running 0 6h18m 172.17.54.3 node01 <none>