2021年8月12日 (四) 11:19的版本

思路2021

先在围墙外的机器 pull下来然后 push到自己的hub.docker 最后在内网的机器再pull 下来再tag一下

参考一下然后写成脚本吧 ubuntu 使用阿里云镜像源快速搭建kubernetes 1.15.2集群

初始化时指定aliyun mirrors 本来是指定 1。17。1版本的我改了新的

  kubeadm init --apiserver-advertise-address=192.168.88.70 --image-repository registry.aliyuncs.com/google_containers --ignore-preflight-errors=all  --kubernetes-version v1.17.3 --service-cidr=10.96.0.0/16 --pod-network-cidr=10.244.0.0/16

国内及一些快速安装的办法

https://gitee.com/imlzw/Kubernetes-1.12.3-all-auto-install

k3OS 由容器软件提供商 Rancher Labs发布，这是业界首个专为 Kubernetes 而生的极轻量操作系统

k8e 是轻量级、可扩展的企业级 Kubernetes 发行版，允许用户统一管理、保护和获得适用于企业环境的开箱即用 Kubernetes 集群

nginx-ingress-controller_install.sh

 安装nginx-ingress-controller
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/mandatory.yaml
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/provider/cloud-generic.yaml

Docker国内镜像的配置及使用 pass

info

k8smaster 192.168.88.70
k8snode1 192.168.88.71
k8snode2192.168.88.72

cat >>/etc/hosts <<EOF
192.168.88.70  k8s-master
192.168.88.71  k8s-node1
192.168.88.72  k8s-node2
EOF


每台机器最少2GB内存，2CPUs。
集群中所有机器之间网络连接正常。
打开相应的端口，详见： [ Check required ports https://kubernetes.io/docs/setup/independent/install-kubeadm/#check-required-ports]


Kubernetes要求集群中所有机器具有不同的Mac地址、产品uuid、Hostname。可以使用如下命令查看：

# UUID
 cat /sys/class/dmi/id/product_uuid

# Mac地址
 ip link

Set Hostname and update hosts file

sudo hostnamectl set-hostname "k8s-master"
sudo hostnamectl set-hostname k8s-node1
sudo hostnamectl set-hostname k8s-node2

#Add the following lines in /etc/hosts file on all three systems,

时间

Linux时间同步的那些事儿#debian

安装Docker

https://blog.csdn.net/shykevin/article/details/98811021

安装kubelet，kubeadm，kubectl

基础信息

https://mirrors.aliyun.com/kubernetes/apt/dists/kubernetes-jessie/

 cat /etc/os-release 
PRETTY_NAME="Debian GNU/Linux 10 (buster)"
NAME="Debian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"


下一代 Debian 正式发行版的代号为 "buster" — 发布时间尚未确定
Debian 9（"stretch"） — 当前的稳定版
Debian 8（"jessie"） — 被淘汰的稳定版

kubectl version
Client Version: version.Info{Major:"1", Minor:"20", GitVersion:"v1.20.5",

添加apt key以及源（所有主机）

apt update &&  apt install -y apt-transport-https curl

curl -s https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | apt-key add -
#注意  不是追加
echo "deb https://mirrors.aliyun.com/kubernetes/apt/ kubernetes-stretch main" >/etc/apt/sources.list.d/kubernetes.list

官方居然是这个 
echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list

安装（所有主机）

sudo apt update
apt install -y kubelet kubeadm kubectl
apt-mark hold kubelet kubeadm kubectl

#kubeadm is already the newest version (1.20.5-00).


sudo apt install -y kubelet=1.15.2-00 kubeadm=1.15.2-00 kubectl=1.15.2-00
sudo apt-mark hold kubelet=1.15.2-00 kubeadm=1.15.2-00 kubectl=1.15.2-00

安装kubernetes集群（仅master）


  kubeadm init --apiserver-advertise-address=192.168.88.70 --image-repository registry.aliyuncs.com/google_containers --ignore-preflight-errors=all  --kubernetes-version v1.20.2 --service-cidr=10.96.0.0/16 --pod-network-cidr=10.244.0.0/16


—image-repository 指定镜像源，指定为阿里云的源，这样就会避免在拉取镜像超时，如果没问题，过几分钟就能看到成功的日志输入

sudo kubeadm init --image-repository registry.aliyuncs.com/google_containers --kubernetes-version v1.15.2 --pod-network-cidr=192.169.0.0/16

init 过程


s-master:~#  kubeadm init --apiserver-advertise-address=192.168.88.70 --image-repository registry.aliyuncs.com/google_containers --ignore-preflight-errors=all  --kubernetes-version v1.20.2 --service-cidr=10.96.0.0/16 --pod-network-cidr=10.244.0.0/16
[init] Using Kubernetes version: v1.20.2
[preflight] Running pre-flight checks
	[WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/
	[WARNING SystemVerification]: this Docker version is not on the list of validated versions: 20.10.5. Latest validated version: 19.03
	[WARNING SystemVerification]: missing optional cgroups: hugetlb
[preflight] Pulling images required for setting up a Kubernetes cluster
[preflight] This might take a minute or two, depending on the speed of your internet connection
[preflight] You can also perform this action in beforehand using 'kubeadm config images pull'



[addons] Applied essential addon: CoreDNS
[addons] Applied essential addon: kube-proxy

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

Alternatively, if you are the root user, you can run:

  export KUBECONFIG=/etc/kubernetes/admin.conf

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 192.168.88.70:6443 --token 8bemec.r64nlpkdmyijwrls \
    --discovery-token-ca-cert-hash sha256:a21b898539b970e9efe7490037c0c55710d5541ce1c967ff5b9060be845b2d33

pod网络安装 flannel

可以下载或者直接复制出来

kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml

https://docs.projectcalico.org/getting-started/kubernetes/flannel/flannel

https://docs.projectcalico.org/getting-started/kubernetes/quickstart

node join

#在所有node上执行
kubeadm join 192.168.88.70:6443 --token 8bemec.r64nlpkdmyijwrls     --discovery-token-ca-cert-hash sha256:a21b898539b970e9efe7490037c0c55710d5541ce1c967ff5b9060be845b2d33

常用命令


#等一下就全是Ready
 kubectl get nodes
NAME         STATUS   ROLES                  AGE    VERSION
k8s-master   Ready    control-plane,master   110m   v1.20.5
k8s-node1    Ready    <none>                 93m    v1.20.5
k8s-node2    Ready    <none>                 93m    v1.20.5



root@k8s-master:~# kubectl get pod --all-namespaces
NAMESPACE     NAME                                 READY   STATUS    RESTARTS   AGE
kube-system   coredns-7f89b7bc75-6fcdq             1/1     Running   0          4h23m
kube-system   coredns-7f89b7bc75-9n56h             1/1     Running   0          4h23m
kube-system   etcd-k8s-master                      1/1     Running   0          4h23m
kube-system   kube-apiserver-k8s-master            1/1     Running   0          4h23m
kube-system   kube-controller-manager-k8s-master   1/1     Running   0          4h23m
kube-system   kube-flannel-ds-9kcwd                1/1     Running   0          4h7m
kube-system   kube-flannel-ds-ql2hn                1/1     Running   0          4h9m
kube-system   kube-flannel-ds-vk2qb                1/1     Running   0          4h7m
kube-system   kube-proxy-cgkhf                     1/1     Running   0          4h23m
kube-system   kube-proxy-gcbsk                     1/1     Running   0          4h7m
kube-system   kube-proxy-qnc27                     1/1     Running   0          4h7m
kube-system   kube-scheduler-k8s-master            1/1     Running   0          4h23m
root@k8s-master:~#

Kubernetes 1.20.x部署dashboard

集群测试万年hello

root@k8s-master:~# cat hello.yml 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello-world
spec:
  selector:
    matchLabels:
      run: load-balancer-example
  replicas: 2
  template:
    metadata:
      labels:
        run: load-balancer-example
    spec:
      containers:
        - name: hello-world
          image: registry.cn-hangzhou.aliyuncs.com/aliyun_google/google-sample-node-hello:1.0
          ports:
            - containerPort: 8080
              protocol: TCP


root@k8s-master:~# kubectl  apply  -f hello.yml 
deployment.apps/hello-world created
root@k8s-master:~# kubectl  get deployment 
NAME          READY   UP-TO-DATE   AVAILABLE   AGE
hello-world   0/2     2            0           13s
my-httpd      2/2     2            2           39h
my-nginx      2/2     2            2           45h
nginx         1/1     1            1           3d13h
root@k8s-master:~# kubectl expose deployment hello-world --type=NodePort --name=node-service
service/node-service exposed
root@k8s-master:~# kubectl  get service node-service 
NAME           TYPE       CLUSTER-IP      EXTERNAL-IP   PORT(S)          AGE
node-service   NodePort   10.96.231.107   <none>        8080:32355/TCP   48s
root@k8s-master:~# 



root@k8s-master:~# kubectl  describe service node-service 
Name:                     node-service
Namespace:                default
Labels:                   <none>
Annotations:              <none>
Selector:                 run=load-balancer-example
Type:                     NodePort
IP Families:              <none>
IP:                       10.96.231.107
IPs:                      10.96.231.107
Port:                     <unset>  8080/TCP
TargetPort:               8080/TCP
NodePort:                 <unset>  32355/TCP
Endpoints:                10.244.2.18:8080,10.244.2.19:8080
Session Affinity:         None
External Traffic Policy:  Cluster
Events:                   <none>


可以看到，服务通过30585 端口映射到容器的8080端口，这样我们就可以通过 32355端口访问容器内的web应用了，如下响应正常

http://192.168.88.70:32355/ Hello Kubernetes!

部署应用

K8s使用deploy部署nginx

站内资源

Install and Configure Kubernetes (k8s) on ubuntu

使用kubeadm离线部署kubernetesv1.9.0 on centos7

@@ 第291行： / 第291行： @@
 https://blog.csdn.net/u014636124/article/details/105145674
+[https://cloud.tencent.com/developer/article/1652598 比Minikube更快，使用Kind快速创建K8S学习环境]
 [http://mknight.cn/kubernetes%E6%9C%80%E6%96%B0%E9%83%A8%E7%BD%B2%E6%96%87%E6%A1%A3.html kubernetes最新部署文档 ]

“使用阿里云镜像源快速搭建kubernetes(k8s) on debian10”的版本间的差异

2021年8月12日 (四) 11:19的版本

目录

思路2021

国内及一些快速安装的办法

nginx-ingress-controller_install.sh

Docker国内镜像的配置及使用 pass

info

时间

安装Docker

安装kubelet，kubeadm，kubectl

基础信息

添加apt key以及源（所有主机）

安装kubernetes集群（仅master）

init 过程

pod网络安装 flannel

node join

常用命令

Kubernetes 1.20.x部署dashboard

集群测试万年hello

部署应用

站内资源

see also

导航菜单

个人工具

名字空间

变种

视图

更多

搜索

导航

我的导航

工具

“使用阿里云镜像源快速搭建kubernetes(k8s) on debian10”的版本间的差异

2021年8月12日 (四) 11:19的版本

目录

思路2021

国内及一些快速安装的办法

nginx-ingress-controller_install.sh

Docker国内镜像的配置及使用 pass

info

时间

安装Docker

安装kubelet，kubeadm，kubectl

基础信息

添加apt key以及源（所有主机）

安装kubernetes集群（仅master）

init 过程

pod网络安装 flannel

node join

常用命令

Kubernetes 1.20.x部署dashboard

集群测试 万年hello

部署应用

站内资源

see also

导航菜单

搜索

集群测试万年hello