requirements.sh

#!/bin/bash

# Define used variables
miniforge_script=Miniforge3-Linux-x86_64.sh
miniforge_url=https://github.com/conda-forge/miniforge/releases/latest/download/$miniforge_script
miniforge_base=/opt/miniforge
miniforge_path=/opt/miniforge/miniforge3
miniforge_link=/opt/miniforge/miniforge
conda_env_python_version=3.12
ansible_vault_file=~/.vault_pass.txt

echo "===================================================================================================================="
echo "======================      Idempotent installation script for Terraform, Go and Ansible      ======================"
echo "===================================================================================================================="
echo ""

# Install Terraform if not present and $1 is all
if [ "$1" == "all" ]
then
        if command_output=$(terraform -version > /dev/null 2>&1)
	then
    		echo "Terraform is already installed."
    		echo ""
		echo "Using Terraform version:"
		echo ""
    		terraform -version
		echo ""
	else
    		echo "Terraform is not installed."
		echo ""

   		sudo apt-get update && sudo apt-get install -y gnupg software-properties-common
        	wget -O- https://apt.releases.hashicorp.com/gpg | \
		gpg --dearmor | \
		sudo tee /usr/share/keyrings/hashicorp-archive-keyring.gpg
		echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] \
		https://apt.releases.hashicorp.com $(lsb_release -cs) main" | \
		sudo tee /etc/apt/sources.list.d/hashicorp.list
		sudo apt update
		sudo apt-get install terraform
    	
		echo "Successfully installed Terraform."
    		echo ""
		echo "Using Terraform version:"
    		terraform -version
		echo ""
	fi
fi

# Install Go if not present and $1 is all
if [ "$1" == "all" ]
then
        if command_output=$(go version > /dev/null 2>&1)
	then
	    	echo "Go is already installed."
	    	echo ""
		echo "Using Go version:"
		echo ""
	    	go version
		echo ""
	else
	    	echo "Go is not installed."
		echo ""
	
	   	sudo apt-get update && sudo apt-get install -y golang-go
	    	
		echo "Successfully installed Go."
	    	echo ""
		echo "Using Go version:"
	    	go version
		echo ""
	fi
fi
	
# Install Ansible if not present
if command_output=$(ansible --version > /dev/null 2>&1)
then
	echo "Ansible is already installed."
	echo ""
	echo "Using Ansible version:"
	ansible --version
	echo ""
else
	echo "Ansible is not installed."
	echo ""

	# Remove present Miniforge files in /tmp
	rm /tmp/Miniforge* > /dev/null 2>&1

	# Check if Miniforge is installed and remove if present
	if [ -d $miniforge_base ]
	then
		sudo rm -rf $miniforge_base
	fi

	echo "===================================================================================================================="
	echo "=======================================      Install Ansible using Miniforge ======================================="
	echo "===================================================================================================================="
	echo ""

	wget -P /tmp $miniforge_url
	sudo -s <<EOF
        	# Set default Python version to Python3
        	alternatives --set python /usr/bin/python3

		# Install Ansible using Miniforge
        	bash /tmp/$miniforge_script -b -p $miniforge_path
        	source $miniforge_path/etc/profile.d/conda.sh
        	conda create -n ansible python=$conda_env_python_version -y
        	conda activate ansible
        	conda install -c conda-forge ansible ansible-lint molecule -y
        	conda deactivate
        	ln -s $miniforge_path $miniforge_link
EOF
	sudo chown -R $USER: $miniforge_base
	
	echo ""
	echo "===================================================================================================================="
	echo "============================================     Configure Ansible     ============================================="
	echo "===================================================================================================================="
	echo ""

	# Create Ansible vault password if not present
	if [ ! -f $ansible_vault_file ]
	then
		read -sp "Enter Ansible Vault Password: "
		echo ""
		sudo echo $REPLY > $ansible_vault_file
		sudo chown $USER: $ansible_vault_file
		chmod 600 $ansible_vault_file
	fi

	# Configure Ansible usage
	if grep -Fxq "PATH=\"\$PATH:/opt/miniforge/miniforge/envs/ansible/bin\"" ~/.bashrc
	then
		echo "Ansible Path for Miniforge is already set in ~/.bashrc file."
		echo ""
	else
		echo "PATH=\"\$PATH:/opt/miniforge/miniforge/envs/ansible/bin\"" >> ~/.bashrc
    		source ~/.bashrc
	fi
	
	echo "Successfully installed Ansible."
    	echo ""
	echo "Using Ansible version:"
	echo ""
    	ansible --version
	echo ""
fi

echo "===================================================================================================================="
echo "======================      Installation process for Terraform, Go and Ansible finished      ======================="
echo "===================================================================================================================="
echo ""