在Debian系统上部署Kubernetes(K8S)集群的步骤如下:
首先,更新已安装的软件包列表,并安装Docker依赖项:
sudo apt update
sudo apt install apt-transport-https ca-certificates curl software-properties-common
接着,添加Docker官方GPG密钥,并设置稳定版Docker仓库:
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo "deb [archamd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list
最后,更新已安装的软件包列表,并安装最新版本的Docker Engine和CLI:
sudo apt update
sudo apt install docker-ce docker-ce-cli containerd.io
sudo systemctl start docker
sudo systemctl enable docker
从官方存储库中安装Kubernetes组件:
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
sudo apt update
sudo apt install -y kubelet kubeadm kubectl
sudo apt-mark hold kubelet kubeadm kubectl
在主节点上执行初始化操作,指定Pod子网段和服务子网段:
sudo kubeadm init --pod-network-cidr=192.168.0.0/16 --service-cidr=10.96.0.0/12
使用非root用户身份配置kubectl
访问权限:
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
查看集群状态:
kubectl cluster-info
kubectl get nodes
例如,安装Calico网络插件:
kubectl apply -f https://docs.projectcalico.org/manifests/tigera-operator.yaml
kubectl apply -f https://docs.projectcalico.org/manifests/custom-resources.yaml
以上步骤提供了一个基本的Debian系统上部署Kubernetes集群的指南。根据具体需求和环境,可能需要进行更多的配置和调整。