# don't resolve container names to *real* CSC machines
sed -E '/^(domain|search)[[:space:]]+csclub.uwaterloo.ca/d' /etc/resolv.conf > /tmp/resolv.conf
cp /tmp/resolv.conf /etc/resolv.conf
rm /tmp/resolv.conf

get_ip_addr() {
    getent hosts $1 | cut -d' ' -f1
}

add_fqdn_to_hosts() {
    ip_addr=$1
    hostname=$2
    sed -E "/${ip_addr}.*\\b${hostname}\\b/d" /etc/hosts > /tmp/hosts
    cp /tmp/hosts /etc/hosts
    rm /tmp/hosts
    echo "$ip_addr $hostname.csclub.internal $hostname" >> /etc/hosts
}