Kubernetes Workshop requirements installation

setup.sh

#!/bin/bash

# Install Homebrew
if [[ ! "$(command -v brew)" ]]; then
  echo "Installing Homebrew..."
  /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
fi

# Install Cask
echo "Installing Homebrew Cask..."
brew tap caskroom/cask

# Install Java
if [[ ! "$(command -v java)" ]]; then
  echo "Installing Java..."
  brew cask install java
fi

# Install or upgrade Docker
if [[ "$(command -v docker)" && "$(brew cask list | grep docker)" ]]; then 
  echo "Upgrading Docker..."
  brew cask reinstall docker
else
  echo "Installing Docker..."
  brew cask install docker
fi

echo "Starting Docker. You may need to enter your credentials the first time Docker runs..."
open -a docker.app

# Install or upgrade Kubernetes CLI tools
if [[ "$(command -v kubectl)" && "$(brew list kubernetes-cli 2>/dev/null)" ]]; then
  echo "Upgrading Kubernetes CLI tools..."
  brew upgrade kubernetes-cli
else
  echo "Installing Kubernetes CLI tools..."
  brew install kubernetes-cli
fi

# Install or upgrade VirtualBox
if [[ "$(command -v virtualbox)" && "$(brew cask list | grep virtualbox)" ]]; then 
  echo "Upgrading Virtualbox..."
  brew cask reinstall virtualbox
else
  echo "Installing Virtualbox..."
  brew cask install virtualbox
fi

# Install or upgrade Minikube
if [[ "$(command -v minikube)" && "$(brew cask list | grep minikube)" ]]; then 
  echo "Upgrading Minikube..."
  rm /usr/local/bin/minikube
  brew cask reinstall minikube
else
  echo "Installing Minikube..."
  brew cask install minikube
fi