Scalr Script: Append pubkey to authorized keys file for a provided user.

Copy Keys

#!/bin/bash

USER="%user%"
KEY="%key%"
FILE="%file%"

if [[ ! -n "$KEY" ]]; then
     KEY="INSERT YOUR DEFAULT PUBLIC KEY HERE" 
fi

if [[ ! -n "$FILE" ]]; then

    if [[ ! -d /home/$USER/".ssh" ]]; then
        echo 'Creating .ssh folder for user...'
        mkdir /home/$USER/.ssh && echo "Folder created."  || { echo "Failed!" ; exit 1 ; }
    fi

    printf "Appending key to authorized_keys file for %s ..." "$USER"
    echo $USER
    echo $KEY >> /home/$USER/.ssh/authorized_keys
    exit 0;

else
    printf 'Appending key to authorized_keys file to %s ' "$FILE"
    echo "$KEY" >> "$FILE" && echo "Success!" || { echo "Failed!" ; exit 1 ; }
    exit 0;
fi