#!/bin/bash
CMD=$1

if ! command -v parallel-ssh &> /dev/null
then
    echo "parallel-ssh could not be found. Attempting to aquire from the repo."
    sudo apt install pssh
    echo ""
fi

echo -e "You are about to run \e[1;32m$CMD\e[0m on all hosts."

run () {
    if grep -q "sudo" <<< "$CMD"; then
        echo "sudo command detected. Attempting to elevate permissions"
        echo "Please enter your sudo password."
        read -s SUDOPASS
        parallel-ssh -A -i -x '-tt' -t 0 -h pssh_hosts -l ansible "echo '$SUDOPASS' | $CMD && history -c"
    else
        parallel-ssh -A -i -x '-tt' -h pssh_hosts -l ansible "$CMD && history -c"
    fi
}

while true; do
    read -p "Are you sure? (y/n): " yn
    case $yn in
        [Yy]* ) run; break;;
        [Nn]* ) exit;;
        * ) echo "Please answer yes or no.";;
    esac
done