Support sealos GPU runtime
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docs/gpu-containerd.md
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docs/gpu-containerd.md
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# 在 Ubuntu 上安装 NVIDIA 驱动和 nvidia-container-toolkit
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以下步骤演示如何在主机安装 NVIDIA 驱动及 nvidia-container-toolkit,并将 containerd 配置为能够使用 GPU。末尾还补充了 sealos 自带 containerd 的配置方式。
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## 1. 安装 NVIDIA 驱动和 nvidia-container-toolkit
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```bash
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# 添加 NVIDIA 容器工具箱仓库
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sudo apt-get update
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sudo apt-get install -y ca-certificates curl gnupg
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curl -s -L https://nvidia.github.io/nvidia-docker/gpgkey | \
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sudo gpg --dearmor -o /usr/share/keyrings/nvidia-container-toolkit-keyring.gpg
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distribution=$(awk -F= '/^ID=/{print $2}' /etc/os-release)$(awk -F= '/^VERSION_ID=/{print $2}' /etc/os-release)
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curl -s -L "https://nvidia.github.io/nvidia-docker/$distribution/nvidia-docker.list" | \
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sed 's#^deb #deb [signed-by=/usr/share/keyrings/nvidia-container-toolkit-keyring.gpg] #' | \
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sudo tee /etc/apt/sources.list.d/nvidia-docker.list
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sudo apt-get update
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sudo apt-get install -y nvidia-driver-535 nvidia-container-toolkit
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```
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安装完成后可通过 `nvidia-smi` 验证驱动是否正常:
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```bash
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nvidia-smi
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```
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## 2. 配置 containerd 使用 GPU
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使用 `nvidia-ctk` 工具可以快速生成配置并设置为默认运行时:
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```bash
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sudo nvidia-ctk runtime configure --runtime=containerd --set-as-default
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sudo systemctl restart containerd
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```
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以上命令会在 `/etc/containerd/config.toml` 中新增 `nvidia` 运行时,使 kubelet 或其他工具可以直接调度 GPU 容器。
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## 3. sealos-containerd 支持
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若主机通过 [sealos](https://github.com/labring/sealos) 部署集群,其内置的 containerd 服务名通常为 `sealos-containerd`,配置文件位于 sealos 数据目录,例如:
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`/var/lib/sealos/data/default/rootfs/etc/containerd/config.toml`。可按以下方式配置:
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```bash
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sudo nvidia-ctk runtime configure \
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--config /var/lib/sealos/data/default/rootfs/etc/containerd/config.toml \
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--set-as-default
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sudo systemctl restart sealos-containerd
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```
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完成后即可在 sealos 集群内运行需要 GPU 的容器或 Pod。
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@ -118,8 +118,15 @@ install_nvidia() {
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sudo apt-get update -y
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sudo apt-get install -y ${NVIDIA_DRIVER_VERSION} nvidia-container-toolkit
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fi
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sudo nvidia-ctk runtime configure --runtime=containerd --set-as-default
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sudo systemctl restart containerd
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if [ "$DEPLOY_MODE" = "sealos" ]; then
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sudo nvidia-ctk runtime configure \
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--config /var/lib/sealos/data/default/rootfs/etc/containerd/config.toml \
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--set-as-default
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sudo systemctl restart sealos-containerd
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else
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sudo nvidia-ctk runtime configure --runtime=containerd --set-as-default
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sudo systemctl restart containerd
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fi
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if ! command -v nvidia-smi >/dev/null; then echo "❌ nvidia-smi 未找到"; exit 1; fi
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nvidia-smi || { echo "❌ NVIDIA 驱动有问题"; exit 1; }
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}
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