install-single-master-K8s

Description

Install a single master node K8s cluster on a blank system with two commands.

Support for CentOS 7.

Support K8s v1.21.0 or later.

Software Architecture

Single master node, deploy quickly with kubeadm, use cilium as a CNI plugin (without kube-proxy). HA deployment for production environment please redirect to Prod-K8S-HA-Installer

Installation

1. init node - pre_reboot (The server will be restarted automatically when it is finished.)

# 6 parameters:
host_name=k8smaster
host_ip=192.168.3.53
net_gateway=192.168.3.1
net_prefix=24
nic_name=ens33
name_server=192.168.3.231

bash pre_reboot.sh $host_name $host_ip $net_gateway $net_prefix $nic_name $name_server

2. init node - post_reboot

# 6 parameters:
containerd_version=1.4.11
kubernetes_version=1.21.6
private_hub=hub.atompi.cc
hub_username=atompi
hub_password=123456
docker_mirror=pooj3a7i.mirror.aliyuncs.com

bash post_reboot.sh $containerd_version $kubernetes_version $private_hub $hub_username $hub_password $docker_mirror

3. init master node and finish installation

# 6 parameters:cpe_host="kube-apiserver.atompi.cc"
cpe_port=6443
private_registry_host=hub.atompi.cc
kubernetes_version=1.21.6
pod_subnet=10.244.0.0/16
service_subnet=10.96.0.0/12

bash ./init_cluster.sh $cpe_host $cpe_port $private_registry_host $kubernetes_version $pod_subnet $service_subnet

Contribution

1. Fork the repository
2. Create Feat_xxx branch
3. Commit your code
4. Create Pull Request

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