install Xcode

$ xcode-select --install

install brew

$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

install ansible

$ brew install ansible

setup

$ ansible-playbook setup.yml {{ --extra-vars="job=true" --extra-vars="extra=true" }} --check
$ ansible-playbook setup.yml {{ --extra-vars="job=true" --extra-vars="extra=true" }}