Kubernetes 用kubeadm安装kubernetes_v1.18.x

Kubernetes 用kubeadm安装kubernetes_v1.18.x


安装参考

https://kuboard.cn/install/install-k8s.html#%E7%A7%BB%E9%99%A4worker%E8%8A%82%E7%82%B9%E5%B9%B6%E9%87%8D%E8%AF%95


测试yaml 语法是否正确

kubectl apply -f nginx-ingress-service.yaml --dry-run

######################################################################################################################

                                              kubeadm安装kubernetes_v1.18.x (2020-05-13)

安装后的软件版本为

Kubernetes v1.18.x

calico 3.13.1

nginx-ingress 1.5.5

Docker 19.03.8

#选择2台服务器:

10.100.100.227  demo-master-a-1       master      123456789

10.100.100.229  demo-worker-a-1       slave       123456789

#时间同步

/usr/sbin/ntpdate 192.168.200.2

#查看防火墙的规则

firewall-cmd --list-all

systemctl stop firewalld.service

systemctl stop iptables

iptables -F

iptables -X

iptables-save

#关闭系统selinux

sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config

#在slave角色worker节点设置主机名

hostnamectl set-hostname demo-worker-a-1

#添加解析

cat /etc/hosts

10.100.100.227    demo-master-a-1

10.100.100.229    demo-worker-a-1

#设置master主机名

hostnamectl set-hostname demo-master-a-1

#关闭系统selinux

#添加解析

cat /etc/hosts

127.0.0.1         demo-master-a-1

10.100.100.227    demo-master-a-1

10.100.100.229    demo-worker-a-1

# 在 master 节点和 worker 节点都要执行

#安装基础安装包

export REGISTRY_MIRROR=https://registry.cn-hangzhou.aliyuncs.com

curl -sSL https://kuboard.cn/install-script/v1.18.x/install_kubelet.sh | sh -s 1.18.2

# 以下操作,在 master节点下执行

# 替换 10.100.100.227 为 master 节点实际 IP(请使用内网 IP)

# export 命令只在当前 shell 会话中有效,开启新的 shell 窗口后,如果要继续安装过程,请重新执行此处的 export 命令

# 替换 apiserver.demo 为 您想要的 dnsName

# Kubernetes 容器组所在的网段,该网段安装完成后,由 kubernetes 创建,事先并不存在于您的物理网络中

# 如果添加hosts 可以不用执行

# 在 master 节点和 worker 节点都要执行

export MASTER_IP=10.100.100.227

export APISERVER_NAME=apiserver.demo

export POD_SUBNET=10.209.0.1/24

echo "${MASTER_IP}    ${APISERVER_NAME}" >> /etc/hosts

curl -sSL https://kuboard.cn/install-script/v1.18.x/init_master.sh | sh -s 1.18.2

# 只在 master 节点执行

# 执行如下命令,等待 3-10 分钟,直到所有的容器组处于 Running 状态

# 查看 master 节点初始化结果

watch kubectl get pod -n kube-system -o wide

kubectl get nodes -o wide

#主节点执行的这个命令,获取的token,

kubeadm token create --print-join-command

[root@demo-master-a-1 ~]# kubeadm token create --print-join-command

W0513 20:34:06.138972    9139 configset.go:202] WARNING: kubeadm cannot validate component configs for API groups [kubelet.config.k8s.io kubeproxy.config.k8s.io]

kubeadm join apiserver.demo:6443 --token 6zdbqb.klxlzuq1nftjcrp2     --discovery-token-ca-cert-hash sha256:d1ae83ed3a6ab7fe976c49c0d8081ff0b102a816042f6d43b19b3eb7122585b0

[root@demo-master-a-1 ~]#

# 只在 worker 节点执行

# 替换 x.x.x.x 为 master 节点的内网 IP

export MASTER_IP=x.x.x.x

# 替换 apiserver.demo 为初始化 master 节点时所使用的 APISERVER_NAME

export APISERVER_NAME=apiserver.demo

echo "${MASTER_IP}    ${APISERVER_NAME}" >> /etc/hosts

# 替换为 master 节点上 kubeadm token create 命令的输出

kubeadm join apiserver.demo:6443 --token k5boem.iub5bthvw1756mf6     --discovery-token-ca-cert-hash sha256:6d5259b468b8f8e056e8ce3e76c1e31b5c5dc4ef744edac3f9c9d598397a6f8c

在worker节点执行master 主节点输出的信息

# kubeadm token create 命令的输出

# 以下操作,在 master节点下执行

# 替换 10.100.100.227 为 master 节点实际 IP(请使用内网 IP)

# export 命令只在当前 shell 会话中有效,开启新的 shell 窗口后,如果要继续安装过程,请重新执行此处的 export 命令

# 替换 apiserver.demo 为 您想要的 dnsName

# Kubernetes 容器组所在的网段,该网段安装完成后,由 kubernetes 创建,事先并不存在于您的物理网络中

#如果添加hosts 可以不用执行

# 在 master 节点和 worker 节点都要执行

export MASTER_IP=10.100.100.227

export APISERVER_NAME=apiserver.demo

export POD_SUBNET=10.209.0.1/24

echo "${MASTER_IP}    ${APISERVER_NAME}" >> /etc/hosts

kubeadm join apiserver.demo:6443 --token 5iif0a.wgbde5vcu1x2v7j7     --discovery-token-ca-cert-hash sha256:e79fe1202e8f5df226085db4b183674c8409e76ed5442e987934a3e2fc2b2374

[root@demo-master-a-1 kubernetes]# scp admin.conf [email protected]:/etc/kubernetes/

[root@demo-worker-a-1 kubernetes]# cat /etc/profile

export KUBECONFIG=/etc/kubernetes/admin.conf

source /etc/profile

在master 安装 Kubernetes Dashboard

[root@demo-master-a-1 ~]# kubectl apply -f https://kuboard.cn/install-script/k8s-dashboard/v2.0.0-beta5.yaml

namespace/kubernetes-dashboard 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/kubernetes-dashboard created

clusterrolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created

deployment.apps/kubernetes-dashboard created

service/dashboard-metrics-scraper created

deployment.apps/dashboard-metrics-scraper created

root@demo-master-a-1 ~]# kubectl apply -f https://kuboard.cn/install-script/k8s-dashboard/auth.yaml

serviceaccount/admin-user created

clusterrolebinding.rbac.authorization.k8s.io/admin-user created

[root@demo-master-a-1 ~]# kubectl -n kubernetes-dashboard describe secret $(kubectl -n kubernetes-dashboard get secret | grep admin-user | awk '{print $1}')

Name:         admin-user-token-6m7kp

Namespace:    kubernetes-dashboard

Labels:       

Annotations:  kubernetes.io/service-account.name: admin-user

              kubernetes.io/service-account.uid: 21cb53d8-c0be-41c8-abb2-a2dabf142156

Type:  kubernetes.io/service-account-token

Data

====

ca.crt:     1025 bytes

namespace:  20 bytes

token:      eyJhbGciOiJSUzI1NiIsImtpZCI6InZhc1I1NHRibkFQXzRxMTVvcWNOTWdaUkFYd2tsLWRuYWV5YUtNbEhuVDQifQ.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.TdVK8AYjzfpObvTSq3dj3xQ91C6Dk_rXeuXZ5qekrvY61fpj37EZf28jHWW44SHBx3JgGXVUHTiyH8nGyp9ho7E2bDaX4RfE3GvdjfZdNdQmlMyts7iUPpr2zwdSg8vvMMGmaW_mDaCn0dcHFEmxnH1_lMyD7rGtS8qxSRgxsRPu-h51Z0oWRd1D-UGjHTdQjfO3np4DQ8OON-dCmPGYBP-etJ6fxYgpv3QmmJ7mgRH52tIsi45hfG9nv1WYAklUL8iC3kv0Q6ApZsNuqMp6cQ1jD0RFxCcIsGiry3QzaKLPjiE_LjuPB0hubbTEC7hBAU8Rdw2Aav6VnRew49rZNQ

[root@demo-master-a-1 ~]#

将127.0.0.1 改成用本机IP访问:

# 推荐使用下面这种方式

$ wget https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0-beta5/aio/deploy/recommended.yaml

$ vi recommended.yaml

# 修改Service为NodePort类型

#添加这个type: NodePort

cat recommended.yaml

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:

  ports:

    - port: 443

      targetPort: 8443

  type: NodePort

  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

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-beta5

          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

          securityContext:

            allowPrivilegeEscalation: false

            readOnlyRootFilesystem: true

            runAsUser: 1001

            runAsGroup: 2001

      volumes:

        - name: kubernetes-dashboard-certs

          secret:

            secretName: kubernetes-dashboard-certs

        - name: tmp-volume

          emptyDir: {}

      serviceAccountName: kubernetes-dashboard

      nodeSelector:

        "beta.kubernetes.io/os": linux

      # 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: dashboard-metrics-scraper

  name: dashboard-metrics-scraper

  namespace: kubernetes-dashboard

spec:

  ports:

    - port: 8000

      targetPort: 8000

  selector:

    k8s-app: dashboard-metrics-scraper

---

kind: Deployment

apiVersion: apps/v1

metadata:

  labels:

    k8s-app: dashboard-metrics-scraper

  name: dashboard-metrics-scraper

  namespace: kubernetes-dashboard

spec:

  replicas: 1

  revisionHistoryLimit: 10

  selector:

    matchLabels:

      k8s-app: dashboard-metrics-scraper

  template:

    metadata:

      labels:

        k8s-app: dashboard-metrics-scraper

      annotations:

        seccomp.security.alpha.kubernetes.io/pod: 'runtime/default'

    spec:

      containers:

        - name: dashboard-metrics-scraper

          image: kubernetesui/metrics-scraper:v1.0.1

          ports:

            - containerPort: 8000

              protocol: TCP

          livenessProbe:

            httpGet:

              scheme: HTTP

              path: /

              port: 8000

            initialDelaySeconds: 30

            timeoutSeconds: 30

          volumeMounts:

          - mountPath: /tmp

            name: tmp-volume

          securityContext:

            allowPrivilegeEscalation: false

            readOnlyRootFilesystem: true

            runAsUser: 1001

            runAsGroup: 2001

      serviceAccountName: kubernetes-dashboard

      nodeSelector:

        "beta.kubernetes.io/os": linux

      # Comment the following tolerations if Dashboard must not be deployed on master

      tolerations:

        - key: node-role.kubernetes.io/master

          effect: NoSchedule

      volumes:

        - name: tmp-volume

          emptyDir: {}

[root@demo-master-a-1 home]#

[root@demo-master-a-1 ~]# kubectl apply -f recommended.yaml --dry-run

W0513 21:27:21.844061   84298 helpers.go:535] --dry-run is deprecated and can be replaced with --dry-run=client.

namespace/kubernetes-dashboard configured (dry run)

serviceaccount/kubernetes-dashboard configured (dry run)

service/kubernetes-dashboard configured (dry run)

secret/kubernetes-dashboard-certs configured (dry run)

secret/kubernetes-dashboard-csrf configured (dry run)

secret/kubernetes-dashboard-key-holder configured (dry run)

configmap/kubernetes-dashboard-settings configured (dry run)

role.rbac.authorization.k8s.io/kubernetes-dashboard configured (dry run)

clusterrole.rbac.authorization.k8s.io/kubernetes-dashboard configured (dry run)

rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard configured (dry run)

clusterrolebinding.rbac.authorization.k8s.io/kubernetes-dashboard configured (dry run)

deployment.apps/kubernetes-dashboard configured (dry run)

service/dashboard-metrics-scraper configured (dry run)

deployment.apps/dashboard-metrics-scraper configured (dry run)

[root@demo-master-a-1 ~]# kubectl apply -f recommended.yaml

namespace/kubernetes-dashboard unchanged

serviceaccount/kubernetes-dashboard unchanged

service/kubernetes-dashboard configured

secret/kubernetes-dashboard-certs unchanged

secret/kubernetes-dashboard-csrf configured

Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply

secret/kubernetes-dashboard-key-holder configured

configmap/kubernetes-dashboard-settings unchanged

role.rbac.authorization.k8s.io/kubernetes-dashboard unchanged

clusterrole.rbac.authorization.k8s.io/kubernetes-dashboard unchanged

rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard unchanged

clusterrolebinding.rbac.authorization.k8s.io/kubernetes-dashboard unchanged

deployment.apps/kubernetes-dashboard unchanged

service/dashboard-metrics-scraper unchanged

deployment.apps/dashboard-metrics-scraper unchanged

[root@demo-master-a-1 ~]#

查看dashboard页面

[root@demo-master-a-1 ~]# kubectl get pods -n kubernetes-dashboard -l k8s-app=kubernetes-dashboard

NAME                                    READY   STATUS    RESTARTS   AGE

kubernetes-dashboard-7d9ddf9f8f-qg2sj   1/1     Running   0          29m

查看dashboard登陆端口

[root@demo-master-a-1 ~]# kubectl get svc -n kubernetes-dashboard

NAME                        TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)         AGE

dashboard-metrics-scraper   ClusterIP   10.96.210.52           8000/TCP        29m

kubernetes-dashboard        NodePort    10.96.229.35           443:31831/TCP   29m

[root@demo-master-a-1 ~]#

登陆验证

https://10.100.100.227:31831

[root@demo-master-a-1 ~]# kubectl get nodes

NAME              STATUS   ROLES    AGE    VERSION

demo-master-a-1   Ready    master   100m   v1.18.2

demo-worker-a-1   Ready       93m    v1.18.2

https://github.com/cnych/kubernetes-learning/blob/master/docs/index.md

视频

https://www.qikqiak.com/k8s-book/docs/67.Upgrade%E9%9B%86%E7%BE%A4.html

安装

https://www.qikqiak.com/k8strain/k8s-basic/install/

https://github.com/cnych/kubernetes-learning/blob/master/docs/40.ingress.md

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                                                                                             日常命令总结

查看更详细的信息

kubectl get pods -n kube-system -o wide

查看运行的docker

kubectl get pods -o wide

查看组件信息

kubectl get pods -n kube-system

NAME                                      READY   STATUS    RESTARTS   AGE

coredns-667f964f9b-fbjcq                  1/1     Running   0          3d21h

coredns-667f964f9b-jgxs4                  1/1     Running   0          3d21h

etcd-demo-master-a-1                      1/1     Running   0          3d21h

kube-apiserver-demo-master-a-1            1/1     Running   0          3d21h

kube-controller-manager-demo-master-a-1   1/1     Running   2          3d21h

kube-flannel-ds-amd64-8kckc               1/1     Running   0          3d21h

kube-flannel-ds-amd64-x7l59               1/1     Running   0          3d21h

kube-proxy-7bhjl                          1/1     Running   0          3d21h

kube-proxy-8n6q8                          1/1     Running   0          3d21h

kube-scheduler-demo-master-a-1            1/1     Running   1          3d21h

查询信息

[root@demo-master-a-1 ~]# kubectl get svc -n kube-system

NAME       TYPE        CLUSTER-IP   EXTERNAL-IP   PORT(S)                  AGE

kube-dns   ClusterIP   10.96.0.10           53/UDP,53/TCP,9153/TCP   3d21h

创建负载服务及映射端口

[root@demo-master-a-1 ~]# kubectl create service clusterip ngx-dep --tcp=4321:8765

service/ngx-dep created

查看服务

kubectl get services

查看pods的数量

kubectl get pods

扩容的方法

[root@demo-master-a-1 ~]# kubectl scale --replicas=3 deployment nginx-deploy

deployment.apps/nginx-deploy scaled

查询pods信息

[root@demo-master-a-1 ~]# kubectl get pods

NAME                            READY   STATUS    RESTARTS   AGE

nginx-deploy-54f57cf6bf-27hkg   1/1     Running   0          8s

nginx-deploy-54f57cf6bf-4rsb9   1/1     Running   0          3d19h

nginx-deploy-54f57cf6bf-9mnxg   1/1     Running   0          3d19h

[root@demo-master-a-1 ~]#

缩容的方法

[root@demo-master-a-1 ~]# kubectl scale --replicas=2 deployment nginx-deploy

deployment.apps/nginx-deploy scaled

查询pods

[root@demo-master-a-1 ~]# kubectl get pods

NAME                            READY   STATUS        RESTARTS   AGE

nginx-deploy-54f57cf6bf-27hkg   0/1     Terminating   0          5m29s

nginx-deploy-54f57cf6bf-4rsb9   1/1     Running       0          3d19h

nginx-deploy-54f57cf6bf-9mnxg   1/1     Running       0          3d19h

查询pods

[root@demo-master-a-1 ~]# kubectl get pods

NAME                            READY   STATUS    RESTARTS   AGE

nginx-deploy-54f57cf6bf-4rsb9   1/1     Running   0          3d19h

nginx-deploy-54f57cf6bf-9mnxg   1/1     Running   0          3d19h

[root@demo-master-a-1 ~]#

通过这个方法映射docker 容器的端口, 7654是容器的端口,--target-port 指宿主主机的端口

kubectl expose deployment nginx-deploy --port=7654 --target-port=80 --type=NodePort

kubectl get all

NAME                                READY   STATUS    RESTARTS   AGE

pod/nginx-deploy-54f57cf6bf-4rsb9   1/1     Running   0          6d11h

pod/nginx-deploy-54f57cf6bf-5j6v6   1/1     Running   0          2d15h

pod/nginx-deploy-54f57cf6bf-n5p59   1/1     Running   0          2d15h

pod/nginx-deploy-54f57cf6bf-t96r4   1/1     Running   0          2d15h

NAME                                    TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)          AGE

service/kubernetes                      ClusterIP   10.96.0.1               443/TCP          6d13h

service/nginx-deploy                    NodePort    10.105.127.56           7654:30631/TCP   3m11s

service/nginx-deploy-54f57cf6bf-4rsb9   ClusterIP   10.98.4.171             4322/TCP         2d16h

service/ngx-dep                         ClusterIP   10.104.10.249           4321/TCP         2d16h

NAME                           READY   UP-TO-DATE   AVAILABLE   AGE

deployment.apps/nginx-deploy   4/4     4            4           6d11h

NAME                                      DESIRED   CURRENT   READY   AGE

replicaset.apps/nginx-deploy-54f57cf6bf   4         4         4       6d11h

[root@demo-master-a-1 ~]#

[root@demo-master-a-1 ~]# kubectl get svc

NAME                            TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)          AGE

kubernetes                      ClusterIP   10.96.0.1               443/TCP          6d15h

nginx-deploy                    NodePort    10.105.127.56           7654:30631/TCP   71m

nginx-deploy-54f57cf6bf-4rsb9   ClusterIP   10.98.4.171             4322/TCP         2d17h

ngx-dep                         ClusterIP   10.104.10.249           4321/TCP         2d17h

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