apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: nccl-tcpx-installer
  namespace: kube-system
  labels:
    k8s-app: nccl-tcpx-installer
spec:
  selector:
    matchLabels:
      k8s-app: nccl-tcpx-installer
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        name: nccl-tcpx-installer
        k8s-app: nccl-tcpx-installer
    spec:
      priorityClassName: system-node-critical
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: cloud.google.com/gke-accelerator
                    operator: In
                    values:
                      - nvidia-h100-80gb
      tolerations:
        - operator: "Exists"
      hostNetwork: true
      hostPID: true
      volumes:
        - name: var-lib
          hostPath:
            path: /var/lib
        - name: tcpx
          hostPath:
            path: /var/lib/tcpx
        - name: library-dir-host
          hostPath:
            path: /home/kubernetes/bin
      initContainers:
        - image: us-docker.pkg.dev/gce-ai-infra/gpudirect-tcpx/nccl-plugin-gpudirecttcpx-dev:v3.1.9
          name: nccl-tcpx-installer
          resources:
            requests:
              cpu: 150m
          securityContext:
            privileged: true
          volumeMounts:
            - name: var-lib
              mountPath: /var/lib
            - name: library-dir-host
              mountPath: /usr/local
          command: ["/bin/sh", "-c"]
          args:
            - |
              set -ex
              /scripts/container_entry.sh install --install-nccl
              mkdir -p /usr/local/nvidia/lib64
              cp -r /var/lib/tcpx/lib64/. /usr/local/nvidia/lib64
              echo "installation finishes"
      containers:
        - image: "gke.gcr.io/pause:3.8@sha256:880e63f94b145e46f1b1082bb71b85e21f16b99b180b9996407d61240ceb9830"
          name: pause