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Kubernetes 用kubeadm安装kubernetes_v1.18.x

2021-07-31 09:58:08 阅读：190 来源： 互联网

标签：v1.18 kubernetes demo master dashboard io kubeadm k8s

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 root@10.100.100.229:/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: <none>

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:

---

apiVersion: v1

kind: ServiceAccount

metadata:

labels:

k8s-app: kubernetes-dashboard

namespace: kubernetes-dashboard

---

kind: Service

apiVersion: v1

metadata:

labels:

k8s-app: 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

namespace: kubernetes-dashboard

type: Opaque

---

apiVersion: v1

kind: Secret

metadata:

labels:

k8s-app: kubernetes-dashboard

namespace: kubernetes-dashboard

type: Opaque

data:

csrf: ""

---

apiVersion: v1

kind: Secret

metadata:

labels:

k8s-app: kubernetes-dashboard

namespace: kubernetes-dashboard

type: Opaque

---

kind: ConfigMap

apiVersion: v1

metadata:

labels:

k8s-app: kubernetes-dashboard

namespace: kubernetes-dashboard

---

kind: Role

apiVersion: rbac.authorization.k8s.io/v1

metadata:

labels:

k8s-app: 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

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

namespace: kubernetes-dashboard

roleRef:

apiGroup: rbac.authorization.k8s.io

kind: Role

subjects:

- kind: ServiceAccount

namespace: kubernetes-dashboard

---

apiVersion: rbac.authorization.k8s.io/v1

kind: ClusterRoleBinding

metadata:

roleRef:

apiGroup: rbac.authorization.k8s.io

kind: ClusterRole

subjects:

- kind: ServiceAccount

namespace: kubernetes-dashboard

---

kind: Deployment

apiVersion: apps/v1

metadata:

labels:

k8s-app: 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

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

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

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

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 <none> 8000/TCP 29m

kubernetes-dashboard NodePort 10.96.229.35 <none> 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 <none> 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

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

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 <none> 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 <none> 443/TCP 6d13h

service/nginx-deploy NodePort 10.105.127.56 <none> 7654:30631/TCP 3m11s

service/nginx-deploy-54f57cf6bf-4rsb9 ClusterIP 10.98.4.171 <none> 4322/TCP 2d16h

service/ngx-dep ClusterIP 10.104.10.249 <none> 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 <none> 443/TCP 6d15h

nginx-deploy NodePort 10.105.127.56 <none> 7654:30631/TCP 71m

nginx-deploy-54f57cf6bf-4rsb9 ClusterIP 10.98.4.171 <none> 4322/TCP 2d17h

ngx-dep ClusterIP 10.104.10.249 <none> 4321/TCP 2d17h

标签：v1.18,kubernetes,demo,master,dashboard,io,kubeadm,k8s
来源： https://blog.csdn.net/qq_17271593/article/details/119270406

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Kubernetes 用kubeadm安装kubernetes_v1.18.x