41 lines
1.1 KiB
Bash
41 lines
1.1 KiB
Bash
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#!/bin/bash
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set -e
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# Kubernetes 集群初始化脚本
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# 功能: 在 Master 节点初始化 Kubernetes 集群
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echo "==== 初始化 Kubernetes 集群 ===="
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# 1. 初始化集群
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echo "初始化 Kubernetes 集群..."
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sudo kubeadm init \
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--apiserver-advertise-address=172.17.0.15 \
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--control-plane-endpoint=172.17.0.15:6443 \
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--kubernetes-version=v1.32.3 \
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--service-cidr=10.96.0.0/12 \
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--pod-network-cidr=10.244.0.0/16 \
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--image-repository=registry.aliyuncs.com/google_containers \
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--upload-certs \
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--ignore-preflight-errors=Swap
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# 2. 配置 kubectl
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echo "配置 kubectl..."
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mkdir -p $HOME/.kube
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sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
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sudo chown $(id -u):$(id -g) $HOME/.kube/config
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# 3. 生成节点加入命令
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echo "生成节点加入命令..."
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JOIN_COMMAND=$(kubeadm token create --print-join-command)
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echo "节点加入命令:"
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echo "$JOIN_COMMAND"
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echo "$JOIN_COMMAND" > node-join-command.txt
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# 4. 验证集群状态
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echo "==== 验证集群状态 ===="
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kubectl get nodes
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kubectl get pods -n kube-system
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echo "==== 集群初始化完成 ===="
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echo "请保存节点加入命令，稍后用于将 node1 和 node2 加入集群"
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