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Switch AL2023 GPU AMI from legacy OCI hooks to CDI #541

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Switch AL2023 GPU AMI from legacy OCI hooks to CDI #541

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720dc08
feat: Use CDI for the AL2023 GPU ECS-optimized AMI
k-candidate Sep 27, 2025
4f08961
Merge branch 'main' into cdi
k-candidate Oct 8, 2025
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29 changes: 5 additions & 24 deletions scripts/enable-ecs-agent-gpu-support-al2023.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,6 @@ sudo dnf install -y nvidia-open \
pciutils \
xorg-x11-server-Xorg \
nvidia-container-toolkit \
oci-add-hooks \
nvidia-persistenced

### Package installation and setup to support P6 instances
Expand Down Expand Up @@ -55,33 +54,15 @@ sudo mv /tmp/ecs/ecs.config /var/lib/ecs/ecs.config
### Configure GPU Container Runtime
# Create required directories
sudo mkdir -p /etc/docker-runtimes.d
sudo mkdir -p /usr/share/docker-runtime-nvidia

# Create the nvidia runtime script
# Create the NVIDIA runtime script
sudo tee /etc/docker-runtimes.d/nvidia <<'EOF'
#!/bin/sh
if [ ! -x /usr/sbin/runc ]; then
runc_path=/usr/bin/docker-runc
else
runc_path=/usr/sbin/runc
fi
exec /usr/bin/oci-add-hooks --hook-config-path /usr/share/docker-runtime-nvidia/hook-config.json --runtime-path "$runc_path" "$@"
exec /usr/bin/nvidia-container-runtime "$@"
EOF

# Create the NVIDIA container hook configuration
sudo tee /usr/share/docker-runtime-nvidia/hook-config.json <<'EOF'
{
"hooks": {
"prestart": [
{
"path": "/usr/bin/nvidia-container-runtime-hook",
"args": ["/usr/bin/nvidia-container-runtime-hook", "prestart"]
}
]
}
}
EOF
# Configure NVIDIA Container Runtime to use CDI mode
sudo nvidia-ctk config --in-place --set nvidia-container-runtime.mode=cdi

# Set appropriate file permissions
sudo chmod 755 /etc/docker-runtimes.d/nvidia
sudo chmod 644 /usr/share/docker-runtime-nvidia/hook-config.json
sudo chmod 755 /etc/docker-runtimes.d/nvidia