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prereq.sh
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prereq.sh
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#!/bin/bash
[ -d /opt/omnia ] || mkdir /opt/omnia
[ -d /var/log/omnia ] || mkdir /var/log/omnia
default_py_version="3.9"
validate_rocky_os="$(cat /etc/os-release | grep 'ID="rocky"' | wc -l)"
validate_ubuntu_os="$(cat /etc/os-release | grep 'ID=ubuntu' | 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 [[ "$validate_ubuntu_os" == "1" ]];
then
check_ubuntu22="$(cat /etc/os-release | grep 'VERSION_ID="22.04"' | wc -l)"
check_ubuntu20="$(cat /etc/os-release | grep 'VERSION_ID="20.04"' | wc -l)"
if [[ "$check_ubuntu22" == "1" ]]
then
echo "deb [trusted=yes] http://ppa.launchpad.net/deadsnakes/ppa/ubuntu jammy main" > /etc/apt/sources.list.d/deadsnakes-ppa.list
elif [[ "$check_ubuntu20" == "1" ]]
then
echo "deb [trusted=yes] http://ppa.launchpad.net/deadsnakes/ppa/ubuntu focal main" > /etc/apt/sources.list.d/deadsnakes-ppa.list
else
apt-add-repository ppa:deadsnakes/ppa -y
fi
apt update
echo "----------------------"
echo "INSTALLING PYTHON 3.9:"
echo "----------------------"
apt install python3.9* python3-pip -y
else
if [[ $(echo $sys_py_version | grep "3.9" | wc -l) != "1" || $(echo $sys_py_version | grep "Python" | wc -l) != "1" ]];
then
echo "----------------------"
echo "INSTALLING PYTHON 3.9:"
echo "----------------------"
dnf install python39 -y
fi
fi
echo "--------------"
echo "UPGRADING PIP:"
echo "--------------"
python3.9 -m pip install --upgrade pip
echo "-------------------"
echo "INSTALLING ANSIBLE:"
echo "-------------------"
executable_path=$(ansible --version 2>/dev/null | awk -F'= ' '/executable location/ {print $2}')
get_os=$(awk -F= '/^ID/{print $2}' /etc/os-release | head -n1)
ansible_status=0
if [[ ! -z "$executable_path" && "$executable_path" = "/usr/bin/ansible" ]]; then
if [[ "$get_os" == 'ubuntu' ]]; then
echo "Removing pre-installed ansible && ansible-core packages using apt…"
ansible_status=1
sudo apt remove ansible -y
sudo apt remove ansible-core -y
elif [[ "$get_os" == '"rhel"' || "$get_os" == '"rocky"' ]]; then
echo "Removing pre-installed ansible && ansible-core packages using dnf…"
ansible_status=1
sudo dnf remove ansible -y
sudo dnf remove ansible-core -y
fi
if ! grep -qxF 'export PATH="/usr/local/bin:$PATH"' ~/.bashrc; then
echo 'export PATH="/usr/local/bin:$PATH"' >> ~/.bashrc
fi
fi
installed_ansible_version=$( ansible --version 2>/dev/null | grep -oP 'ansible \[core \K\d+\.\d+' | sed 's/]//')
target_ansible_version="2.14"
if [[ ! -z "$installed_ansible_version" && "$(echo -e "$installed_ansible_version\n$target_ansible_version" | sort -V | tail -n1)" != "$target_ansible_version" ]];
then
echo "Error: Higher version of Ansible-core ($installed_ansible_version) is already installed. Please uninstall the existing ansible and re-run the prereq.sh again to install $target_ansible_version"
exit 1
fi
if [[ ! -z "$installed_ansible_version" && "$(echo -e "$installed_ansible_version\n$target_ansible_version" | sort -V | head -n1)" != "$target_ansible_version" ]];
then
echo "Warning: prereq.sh is uninstalling the existing Ansible-core ($installed_ansible_version) and installing the $target_ansible_version"
fi
python3.9 -m pip install ansible==7.7.0 cryptography==41.0.7
python3.9 -m pip install jinja2==3.1.2
if [[ "$validate_ubuntu_os" == "1" ]];
then
apt install git git-lfs -y
git lfs pull
else
dnf install git-lfs -y
git lfs pull
selinux_count="$(grep "^SELINUX=disabled" /etc/selinux/config | wc -l)"
if [[ $selinux_count == 0 ]];
then
echo "------------------"
echo "DISABLING SELINUX:"
echo "------------------"
sed -i 's/^SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config
echo "SELinux is disabled. Reboot system to notice the change in status before executing playbooks in control plane!!"
fi
fi
echo "------------------------------"
echo "UPDATING SOFTWARE_CONFIG.JSON:"
echo "------------------------------"
os_version=$(awk -F= '/VERSION_ID/ {print $2}' /etc/os-release)
dir_path=$(dirname "$(realpath "$0")")
echo "system_os: $get_os"
echo "os_version: $os_version"
if [[ "$get_os" == 'ubuntu' ]];
then
cp "$dir_path/examples/ubuntu_software_config.json" "$dir_path/input/software_config.json"
elif [[ "$get_os" == '"rhel"' ]];
then
cp "$dir_path/examples/rhel_software_config.json" "$dir_path/input/software_config.json"
elif [[ "$get_os" == '"rocky"' ]];
then
cp "$dir_path/examples/rocky_software_config.json" "$dir_path/input/software_config.json"
fi
sed -i "s/\"cluster_os_version\": .*/\"cluster_os_version\": $os_version,/" "$dir_path/input/software_config.json"
echo ""
echo ""
if [[ "$ansible_status" -eq 1 ]]; then
echo "IMPORTANT: The pre-installed ansible packages were removed and installed ansible 2.14, user needs to refresh the session to apply changes."
fi
echo ""
echo ""
echo "Download the ISO file required to provision in the control plane."
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/local_repo_config.yml & input/software_config.json and execute the playbook local_repo/local_repo.yml to created offline repositories."
echo ""
echo "After local_repo.yml execution, to provision the nodes user can provide inputs in input/network_spec.yml, input/provision_config.yml & input/provision_config_credentials.yml and execute the playbook discovery_provision.yml"
echo ""
echo "For more information: https://omnia-doc.readthedocs.io/en/latest/InstallationGuides/InstallingProvisionTool/index.html"