# Copyright 2017 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# This daemonset installs nvidia driver 450.80.02 and invokes the
# partition_gpu tool to enable MIG mode and create GPU instances as specified
# in the GPU config.

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: nvidia-driver-installer
  namespace: kube-system
  labels:
    k8s-app: nvidia-driver-installer
spec:
  selector:
    matchLabels:
      k8s-app: nvidia-driver-installer
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        name: nvidia-driver-installer
        k8s-app: nvidia-driver-installer
    spec:
      priorityClassName: system-node-critical
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: cloud.google.com/gke-accelerator
                operator: Exists
      tolerations:
      - operator: "Exists"
      hostNetwork: true
      hostPID: true
      volumes:
      - name: dev
        hostPath:
          path: /dev
      - name: vulkan-icd-mount
        hostPath:
          path: /home/kubernetes/bin/nvidia/vulkan/icd.d
      - name: nvidia-install-dir-host
        hostPath:
          path: /home/kubernetes/bin/nvidia
      - name: root-mount
        hostPath:
          path: /
      - name: cos-tools
        hostPath:
          path: /var/lib/cos-tools
      - name: nvidia-config
        hostPath:
          path: /etc/nvidia
      initContainers:
      - image: "cos-nvidia-installer:fixed"
        imagePullPolicy: Never
        name: nvidia-driver-installer
        resources:
          requests:
            cpu: 150m
        securityContext:
          privileged: true
        env:
          - name: NVIDIA_INSTALL_DIR_HOST
            value: /home/kubernetes/bin/nvidia
          - name: NVIDIA_INSTALL_DIR_CONTAINER
            value: /usr/local/nvidia
          - name: VULKAN_ICD_DIR_HOST
            value: /home/kubernetes/bin/nvidia/vulkan/icd.d
          - name: VULKAN_ICD_DIR_CONTAINER
            value: /etc/vulkan/icd.d
          - name: ROOT_MOUNT_DIR
            value: /root
          - name: COS_TOOLS_DIR_HOST
            value: /var/lib/cos-tools
          - name: COS_TOOLS_DIR_CONTAINER
            value: /build/cos-tools
        volumeMounts:
        - name: nvidia-install-dir-host
          mountPath: /usr/local/nvidia
        - name: vulkan-icd-mount
          mountPath: /etc/vulkan/icd.d
        - name: dev
          mountPath: /dev
        - name: root-mount
          mountPath: /root
        - name: cos-tools
          mountPath: /build/cos-tools
      - image: "gcr.io/gke-release/nvidia-partition-gpu@sha256:116be6b7335c1d34366223b9a3780fe80d862fcf06cd2c580426fdc1697af693"
        name: partition-gpus
        env:
        - name: LD_LIBRARY_PATH
          value: /usr/local/nvidia/lib64
        resources:
          requests:
            cpu: 150m
        securityContext:
          privileged: true
        volumeMounts:
        - name: nvidia-install-dir-host
          mountPath: /usr/local/nvidia
        - name: dev
          mountPath: /dev
        - name: nvidia-config
          mountPath: /etc/nvidia
      containers:
      - image: "registry.k8s.io/pause:3.9"
        name: pause
