allow_gpu_acceleration

in cookbooks/aws-parallelcluster-platform/resources/dcv/partial/_dcv_common.rb [63:95]

• 23 lines of code
• 5 McCabe index (conditional complexity)

  def allow_gpu_acceleration
    
    
    nvidia_xconfig_command = "nvidia-xconfig --preserve-busid --enable-all-gpus"
    nvidia_xconfig_command += " --use-display-device=none" if node['ec2']['instance_type'].start_with?("g2.")
    execute "Set up Nvidia drivers for X configuration" do
      user 'root'
      command nvidia_xconfig_command
    end

    
    
    install_dcv_gl

    
    bash 'Launch X' do
      user 'root'
      code <<-SETUPX
      set -e
      systemctl set-default graphical.target
      systemctl isolate graphical.target &
      SETUPX
    end

    
    execute 'Wait for X to start' do
      user 'root'
      command "pidof X || pidof Xorg"
      retries 10
      retry_delay 5
    end
  end