90 lines
2.2 KiB
Bash
90 lines
2.2 KiB
Bash
#!/bin/bash
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# control-plane-node-install.sh
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# 运行在主控节点（假设 IP: 192.168.10.10）
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set -e
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OFFLINE_DIR=/opt/offline
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K8S_VERSION=v1.29.6
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CONTROL_PLANE_IP=192.168.10.10
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API_SERVER_NAME=k8s-api.internal
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echo "=== 解压离线包 ==="
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tar -xzf ${OFFLINE_DIR}/k8s-offline-all.tar.gz -C /tmp/
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# 安装基础依赖
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dpkg -i ${OFFLINE_DIR}/debs/*.deb || apt-get -f install -y
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echo "=== 安装 containerd ==="
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mkdir -p /usr/local/bin
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tar --no-overwrite-dir -C /usr/local -xzf ${OFFLINE_DIR}/containerd.tar.gz
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# 写入 systemd 服务
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cat > /etc/systemd/system/containerd.service << 'EOF'
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[Unit]
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Description=containerd daemon
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After=network.target
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[Service]
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ExecStartPre=/sbin/modprobe overlay
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ExecStart=/usr/local/bin/containerd
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Restart=always
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Type=notify
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Delegate=yes
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KillMode=process
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[Install]
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WantedBy=multi-user.target
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EOF
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systemctl enable containerd
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systemctl start containerd
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# 安装 CNI 插件
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mkdir -p /opt/cni/bin
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tar -xzf ${OFFLINE_DIR}/cni-plugins.tgz -C /opt/cni/bin/
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# 安装 k8s 二进制
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cp ${OFFLINE_DIR}/k8s-binaries/* /usr/bin/
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chmod +x /usr/bin/kubeadm /usr/bin/kubelet /usr/bin/kubectl
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# kubelet systemd 设置
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cat > /etc/systemd/system/kubelet.service << 'EOF'
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[Unit]
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Description=kubelet
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After=containerd.service
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Requires=containerd.service
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[Service]
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ExecStart=/usr/bin/kubelet
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Restart=always
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StartLimitInterval=0
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VolumeMountPropagation=private
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Environment="KUBELET_EXTRA_ARGS=--container-runtime=remote --runtime-request-timeout=15m --container-runtime-endpoint=unix:///run/containerd/containerd.sock"
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[Install]
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WantedBy=multi-user.target
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EOF
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systemctl enable kubelet
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echo "=== 初始化集群 ==="
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kubeadm init \
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--pod-network-cidr=10.244.0.0/16 \
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--apiserver-advertise-address=${CONTROL_PLANE_IP} \
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--kubernetes-version=${K8S_VERSION} \
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--ignore-preflight-errors=all
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mkdir -p $HOME/.kube
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cp /etc/kubernetes/admin.conf $HOME/.kube/config
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chown $(id -u):$(id -g) $HOME/.kube/config
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echo "=== 安装 Flannel CNI ==="
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kubectl apply -f https://raw.githubusercontent.com/flannel-io/flannel/master/Documentation/kube-flannel.yml
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# 标记主节点不调度 Pod（可选）
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kubectl taint nodes $(hostname) node-role.kubernetes.io/control-plane:NoSchedule
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echo "✅ 控制节点安装完成"
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echo "请将 ~/.kube/config 复制到其他节点或管理机"
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