Decouple aarch64 ci setup and build steps

aarch64_linux/aarch64_ci_build.sh

@@ -1,47 +1,8 @@
 #!/bin/bash
 set -eux -o pipefail
 
-# This script is used to prepare the Docker container for aarch64_ci_wheel_build.py python script
-# as we need to install conda and setup the python version for the build.
-
-CONDA_PYTHON_EXE=/opt/conda/bin/python
-CONDA_EXE=/opt/conda/bin/conda
-PATH=/opt/conda/bin:$PATH
-LD_LIBRARY_PATH=/opt/conda/lib:$LD_LIBRARY_PATH
-
-###############################################################################
-# Install OS dependent packages
-###############################################################################
-yum -y install epel-release
-yum -y install less zstd libgomp
-
-###############################################################################
-# Install conda
-# disable SSL_verify due to getting "Could not find a suitable TLS CA certificate bundle, invalid path"
-# when using Python version, less than the conda latest
-###############################################################################
-echo 'Installing conda-forge'
-curl -L -o /mambaforge.sh https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-Linux-aarch64.sh
-chmod +x /mambaforge.sh
-/mambaforge.sh -b -p /opt/conda
-rm /mambaforge.sh
-/opt/conda/bin/conda config --set ssl_verify False
-/opt/conda/bin/conda install -y -c conda-forge python=${DESIRED_PYTHON} numpy pyyaml setuptools patchelf pygit2 openblas
-python --version
-conda --version
-
-###############################################################################
-# Exec libglfortran.a hack
-#
-# libgfortran.a from quay.io/pypa/manylinux2014_aarch64 is not compiled with -fPIC.
-# This causes __stack_chk_guard@@GLIBC_2.17 on pytorch build. To solve, get
-# ubuntu's libgfortran.a which is compiled with -fPIC
-###############################################################################
-cd ~/
-curl -L -o ~/libgfortran-10-dev.deb http://ports.ubuntu.com/ubuntu-ports/pool/universe/g/gcc-10/libgfortran-10-dev_10.5.0-1ubuntu1_arm64.deb
-ar x ~/libgfortran-10-dev.deb
-tar --use-compress-program=unzstd -xvf data.tar.zst -C ~/
-cp -f ~/usr/lib/gcc/aarch64-linux-gnu/10/libgfortran.a /opt/rh/devtoolset-10/root/usr/lib/gcc/aarch64-redhat-linux/10/
+SCRIPTPATH="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
+source $SCRIPTPATH/aarch64_ci_setup.sh
 
 ###############################################################################
 # Run aarch64 builder python

aarch64_linux/aarch64_ci_setup.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+set -eux -o pipefail
+
+# This script is used to prepare the Docker container for aarch64_ci_wheel_build.py python script
+# as we need to install conda and setup the python version for the build.
+
+CONDA_PYTHON_EXE=/opt/conda/bin/python
+CONDA_EXE=/opt/conda/bin/conda
+PATH=/opt/conda/bin:$PATH
+LD_LIBRARY_PATH=/opt/conda/lib:$LD_LIBRARY_PATH
+
+###############################################################################
+# Install OS dependent packages
+###############################################################################
+yum -y install epel-release
+yum -y install less zstd libgomp
+
+###############################################################################
+# Install conda
+# disable SSL_verify due to getting "Could not find a suitable TLS CA certificate bundle, invalid path"
+# when using Python version, less than the conda latest
+###############################################################################
+echo 'Installing conda-forge'
+curl -L -o /mambaforge.sh https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-Linux-aarch64.sh
+chmod +x /mambaforge.sh
+/mambaforge.sh -b -p /opt/conda
+rm /mambaforge.sh
+/opt/conda/bin/conda config --set ssl_verify False
+/opt/conda/bin/conda install -y -c conda-forge python=${DESIRED_PYTHON} numpy pyyaml setuptools patchelf pygit2 openblas
+python --version
+conda --version
+
+###############################################################################
+# Exec libglfortran.a hack
+#
+# libgfortran.a from quay.io/pypa/manylinux2014_aarch64 is not compiled with -fPIC.
+# This causes __stack_chk_guard@@GLIBC_2.17 on pytorch build. To solve, get
+# ubuntu's libgfortran.a which is compiled with -fPIC
+###############################################################################
+cd ~/
+curl -L -o ~/libgfortran-10-dev.deb http://ports.ubuntu.com/ubuntu-ports/pool/universe/g/gcc-10/libgfortran-10-dev_10.5.0-1ubuntu1_arm64.deb
+ar x ~/libgfortran-10-dev.deb
+tar --use-compress-program=unzstd -xvf data.tar.zst -C ~/
+cp -f ~/usr/lib/gcc/aarch64-linux-gnu/10/libgfortran.a /opt/rh/devtoolset-10/root/usr/lib/gcc/aarch64-redhat-linux/10/