Building MoonRay container with Rocky Linux 9 image and Apptainer (formerly Singularity)

[panda1100]

Apptainer definition files for building MoonRay on Rocky Linux 9
Build procedures for building MoonRay container with Apptainer
Remove libcgroup package from Rocky Linux 9 installation script
Signed-off-by: Yoshiaki Senda yoshiaki@live.it

[panda1100]

Build procedures for this PR

export WORKDIR=$(pwd)

# Copy OptiX install script
cp /PATH/TO/NVIDIA-OptiX-SDK-7.3.0-linux64-x86_64.sh ${WORKDIR}

# Download patch for this PR
wget https://patch-diff.githubusercontent.com/raw/dreamworksanimation/openmoonray/pull/122.patch

# Clone MoonRay repo
git clone -b openmoonray-1.3.0.0 https://github.com/dreamworksanimation/openmoonray.git

# Apply patch
cd openmoonray
patch -p1 < ../122.patch

# Build MoonRay image with Apptainer 
cd ${WORKDIR}
bash openmoonray/building/Apptainer/build.sh

To test MoonRay container

apptainer run moonray.sif
MoonRay> moonray -in /installs/testdata/rectangle.rdla -out /tmp/rectangle.exr
MoonRay> moonray_gui -in /installs/testdata/rectangle.rdla -out /tmp/rectangle.exr

To use MoonRay container with NVIDIA GPU

apptainer run --nv moonray.sif
MoonRay> moonray -in /installs/testdata/rectangle.rdla -out /tmp/rectangle.exr
MoonRay> moonray_gui -exec_mode xpu -in /installs/testdata/rectangle.rdla -out /tmp/rectangle.exr

[panda1100]

@rgwilson68 Could you please review this PR? I tested this PR with apptainer v1.2.2 on Rocky Linux 9 host.
MoonRay v1.3.0.0 can build without libcgroup* package dependency by the following changes on
openmoonray/arras/arras4_core/arras4_core_impl/lib/execute/ControlGroup.h

v1.2.0.0

  7 #include <libcgroup.h>

v1.3.0.0

  7 #ifdef ARRAS_ENABLE_CGROUP
  8 #include <libcgroup.h>
  9 #else
 10 #include "cgroup_stubs.h"
 11 #endif

details are here dreamworksanimation/arras4_core@8e22420