New example definition file, rockylinux-mofed

Signed-off-by: Jonathon Anderson <[email protected]>

examples/README.md

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+# Example container definitions
+
+The container definitions in the directory aren't built as containers published
+by Warewulf for some reason.
+Typical reasons may include:
+
+* The resultant container would be too large.
+* The definition is too specific to be broadly useful, and covering a wide enough set of versions would be impractical.
+* The definition uses software that may not be redistributed.

examples/rockylinux-mofed/Containerfile

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+FROM ghcr.io/hpcng/warewulf-rockylinux:9.2
+
+RUN dnf -y install \
+        gcc \
+        patch \
+        libtool \
+        lsof \
+        kernel-rpm-macros \
+        make \
+        rpm-build \
+        gdb-headless \
+        python3-devel \
+        elfutils-libelf-devel \
+        gcc-gfortran \
+        tk \
+        kernel-{core,devel,headers,modules-extra} \
+        perl-sigtrap \
+        numactl-libs \
+        tcsh \
+    && dnf -y remove $(dnf repoquery --installonly --latest-limit=-1 -q) \
+    && dnf clean all
+
+RUN (cd /tmp && tar -xf /mnt/MLNX_OFED_LINUX-5.8-3.0.7.0-rhel9.2-x86_64.tgz) \
+    && (cd /tmp/MLNX_OFED_LINUX-5.8-3.0.7.0-rhel9.2-x86_64 && ./mlnxofedinstall --distro rhel9.2 --skip-repo --kernel $(rpm -q kernel-core --qf '%{version}-%{release}.%{arch}\n' | tail -n 1) --add-kernel-support --hpc) \
+    && rm -rf /tmp/MLNX_OFED_LINUX*

examples/rockylinux-mofed/README.md

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+# Rocky Linux with the Mellanox OFED
+
+This container definition demonstrates building a Rocky Linux based container incorporating the Mellanox OFED for InfiniBand support.
+
+This definition requires that the Mellanox OFED downloadable for the desired version be placed in the `rockylinux-mofed` directory.
+Download the `.tgz` version from https://network.nvidia.com/products/infiniband-drivers/linux/mlnx_ofed/
+
+With that in place, the container may be built with Podman as here:
+
+```shell
+
+podman build --volume $(readlink -f rockylinux-mofed):/mnt:ro --file rockylinux-mofed/Containerfile rockylinux-mofed/
+```