38 lines
1.0 KiB
Bash
38 lines
1.0 KiB
Bash
#!/bin/bash
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set -e
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# === 必要参数 ===
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INSTALL_K3S_URL="https://get.k3s.io"
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FLANNEL_IFACE=${FLANNEL_IFACE:-br0}
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# === 安装命令拼接（最简）===
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INSTALL_K3S_EXEC="server \
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--disable=traefik,servicelb,local-storage \
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--data-dir=/opt/rancher/k3s \
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--advertise-address=$(hostname -I | awk '{print $1}') \
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--kube-apiserver-arg=service-node-port-range=0-50000"
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[[ -n "$FLANNEL_IFACE" ]] && INSTALL_K3S_EXEC+=" --flannel-iface=${FLANNEL_IFACE}"
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# === 下载并执行安装 ===
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curl -sfL ${INSTALL_K3S_URL} -o install_k3s.sh && chmod +x install_k3s.sh
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INSTALL_K3S_EXEC="$INSTALL_K3S_EXEC" ./install_k3s.sh
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# === 等待 CoreDNS 启动 ===
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echo "⏳ 等待 CoreDNS 启动..."
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until kubectl get pods -A 2>/dev/null | grep -q "coredns.*Running"; do
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sleep 3
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done
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# === 设置本地 kubeconfig ===
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mkdir -p ~/.kube
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cp /etc/rancher/k3s/k3s.yaml ~/.kube/config
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chmod 600 ~/.kube/config
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export KUBECONFIG=~/.kube/config
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curl -fsSL https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
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echo "✅ K3s 安装完成，kubectl/helm 已就绪"
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