#!/bin/bash

# This shell script that checks if the required python modules (pip3, boto3, and awscli)

# the terraform package are installed, and installs them if they are missing.

# This script should work on both CentOS and macOS

# Check the terraform release page to use the latest terraform package https://releases.hashicorp.com/terraform/

# Author: Prashant Lakhera(laprashant@gmail.com)

# Check if pip3 is installed

if ! type "pip3" &> /dev/null

then

echo "pip3 is not installed. Installing now ..."

# Install pip3

# Checking for Mac

if [ "$(uname)" == "Darwin" ]

then

brew install python3

# Checking for Centos

elif [ -f /etc/centos-release ]

then

sudo yum -y update

sudo yum -y install python3-pip -y

fi

fi

# Check if boto3 is installed

if python3 -c "import boto3" &> /dev/null; then

echo "Boto3 is already installed"

else

echo "Boto3 is not installed. Installing now...."

pip3 install boto3 --user

fi

# Check if awscli is installed

if ! type "aws" > /dev/null

then

echo "awscli is not installed. Installing now..."

pip3 install awscli --user

else

echo "awscli is already installed"

fi

# Check if terraform is installed

if ! type "terraform" > /dev/null

then

echo "terraform is not installed installing now..."

# Install terraform

#Checking for Mac

if [ "$(uname)" == "Darwin" ]

then

brew install terraform

# Checking for Centos

elif [ -f /etc/centos-release ]

then

sudo yum install -y unzip

sudo wget https://releases.hashicorp.com/terraform/1.3.6/terraform_1.3.6_linux_amd64.zip

sudo unzip terraform_1.3.6_linux_amd64.zip

sudo mv terraform /usr/local/bin/

sudo chmod +x /usr/local/bin/terraform

sudo rm terraform_1.3.6_linux_amd64.zip

fi

else

echo "Terraform is already installed"

fi