[g5k-setup-nvidia-docker] Force Debian 10 image usage under Debian 11 host

bin/g5k-setup-nvidia-docker

@@ -28,9 +28,20 @@ def main
     # (probably because it exists on ubuntu)
     ret &= sh('sudo ln -s /sbin/ldconfig /sbin/ldconfig.real').first
   else
-    ret &= sh('. /etc/os-release; curl -s -L https://nvidia.github.io/nvidia-docker/$ID$VERSION_ID/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list').first
+    distrib_codename = `lsb_release -cs`.strip
+    # Workaround: use Debian 10 image if Debian 11 host (cf. Bug #13532)
+    if distrib_codename == 'bullseye'
+      ret &= sh('curl -s -L https://nvidia.github.io/nvidia-docker/debian10/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list').first
+      puts "Warning: As Nvidia Docker Debian 11 image is not currently released, Nvidia Docker Debian 10 image is used !"
+    else
+      ret &= sh('. /etc/os-release; curl -s -L https://nvidia.github.io/nvidia-docker/$ID$VERSION_ID/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list').first
+    end
   end
   ret &= sh('sudo apt-get update && sudo apt-get install -y nvidia-container-toolkit').first
+  # Workaround if Debian 11 host (cf. Bug #13532)
+  if distrib_codename == 'bullseye'
+    ret &= sh('sudo sed -i \'s|^#ldconfig.*|ldconfig = "/sbin/ldconfig"|\' /etc/nvidia-container-runtime/config.toml').first
+  end
   ret &= sh('sudo systemctl restart docker').first
   ret &= sh('sudo chmod o+rw /var/run/docker.sock').first if !options[:install]
   ret