kubeadm-config说明

时间:2025-03-19 20:53:52

/breezey/p/

配置
通过如下指令创建默认的文件:

kubeadm config print init-defaults  > 
#生成KubeletConfiguration示例文件 
kubeadm config print init-defaults --component-configs KubeletConfiguration

#生成KubeProxyConfiguration示例文件 
kubeadm config print init-defaults --component-configs KubeProxyConfiguration

安装master节点:

kubeadm init --config 

生成用于添加节点的文件

kubeadm config print join-defaults > 

修改三个地方:

  • apiServerEndpoint:连接apiserver的地址,即master的api地址,这里可以改为192.168.0.1:6443,如果master集群部署的话,这里需要改为集群vip地址
  • token及tlsBootstrapToken:连接master使用的token,这里需要与master上的InitConfiguration中的token配置一致
  • name:node节点的名称,如果使用主机名,需要确保master节点可以解析该主机名。否则的话可直接使用ip地址

添加节点:

kubeadm join --config 

cat

apiVersion: kubeadm./v1beta2
bootstrapTokens:
- groups:
  - system:bootstrappers:kubeadm:default-node-token
  token: abcdef.0123456789abcdef
  ttl: 24h0m0s
  usages:
  - signing
  - authentication
kind: InitConfiguration
localAPIEndpoint:
  advertiseAddress: 192.168.200.3     # 本机IP
  bindPort: 6443
nodeRegistration:
  criSocket: /var/run/
  name: master1        # 本主机名
  taints:
  - effect: NoSchedule
    key: node-/master
---
apiServer:
  timeoutForControlPlane: 4m0s
apiVersion: kubeadm./v1beta2
certificatesDir: /etc/kubernetes/pki
clusterName: kubernetes
controlPlaneEndpoint: "192.168.200.16:16443"    # 虚拟IP和haproxy端口
controllerManager: {}
dns:
  type: CoreDNS
etcd:
  local:
    dataDir: /var/lib/etcd
imageRepository:     # 镜像仓库源要根据自己实际情况修改
kind: ClusterConfiguration
kubernetesVersion: v1.18.2     # k8s版本
networking:
  dnsDomain: 
  podSubnet: "10.244.0.0/16"
  serviceSubnet: 10.96.0.0/12
scheduler: {}

---
apiVersion: ./v1alpha1
kind: KubeProxyConfiguration
featureGates:
  SupportIPVSProxyMode: true
mode: ipvs