prereq.sh

#!/bin/bash

[ -d /opt/omnia ] || mkdir /opt/omnia
[ -d /var/log/omnia ] || mkdir /var/log/omnia

default_py_version="3.8"
validate_rocky_os="$(cat /etc/os-release | grep 'ID="rocky"' | wc -l)"

sys_py_version="$(python3 --version)"
echo "System Python version: $sys_py_version"

if [[ "$validate_rocky_os" == "1" ]];
then
 echo "------------------------"
 echo "INSTALLING EPEL RELEASE:"
 echo "------------------------"
 dnf install epel-release -y
fi

if [[ $(echo $sys_py_version | grep "3.8" | wc -l) != "1" || $(echo $sys_py_version | grep "Python" | wc -l) != "1" ]];
then
 echo "----------------------"
 echo "INSTALLING PYTHON 3.8:"
 echo "----------------------"
 dnf install python38 -y
fi
echo "--------------"
echo "UPGRADING PIP:"
echo "--------------"
pip3.8 install --upgrade pip
echo "-------------------"
echo "INSTALLING ANSIBLE:"
echo "-------------------"
python3.8 -m pip install ansible==5.10.0
python3.8 -m pip install jinja2==3.1.2
dnf install git-lfs -y
git lfs pull

selinux_count="$(grep "^SELINUX=disabled" /etc/selinux/config | wc -l)"
if [[ $selinux_count == 0 ]];
then
 echo "------------------"
 echo "DISABLING SELINUX:"
 echo "------------------"
 sed -i 's/^SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config
 echo "SELinux is disabled. Reboot system to notice the change in status before executing playbooks in control plane!!"
fi
echo ""
echo ""
echo ""
echo "Download the ISO file required to provision in the control plane."
echo ""
echo "Download OFED ISO and CUDA RPM file to install OFED and CUDA during provisioning."
echo ""
echo "Please configure all the NICs and set the hostname for the control plane in the format hostname.domain_name. Eg: controlplane.omnia.test"
echo ""
echo "Once IP and hostname is set, provide inputs in input/provision_config.yml and execute the playbook provision/provision.yml"
echo ""
echo "For more information: https://omnia-doc.readthedocs.io/en/latest/InstallationGuides/InstallingProvisionTool/index.html"