zulip/scripts/setup/setup-certbot

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#!/usr/bin/env bash
set -e
usage() {
echo "Usage: $0 <domain name> <email>" >&2
exit 1
}
if [ "$EUID" -ne 0 ]; then
echo "Error: This script must be run as root" >&2
exit 1
fi
args="$(getopt -o '' --long help,hostname:,email: -n "$0" -- "$@")"
eval "set -- $args"
while true; do
case "$1" in
--hostname)
DOMAIN="$2"
shift
shift
;;
--email)
EMAIL="$2"
shift
shift
;;
--help)
show_help=1
shift
;;
--)
break
;;
esac
done
if [ -n "$show_help" ]; then
usage
fi
# For reference https://certbot.eff.org/all-instructions/#debian-other-nginx
# We download to /root as a reasonably safe place with only root having access
wget https://dl.eff.org/certbot-auto -O /root/certbot-auto
chmod a+x /root/certbot-auto
/root/certbot-auto --standalone certonly -d "$DOMAIN" -m "$EMAIL" --agree-tos --non-interactive
# Link the generated cert to the path read by Zulip
ln -nsf /etc/letsencrypt/live/"$DOMAIN"/privkey.pem /etc/ssl/private/zulip.key
ln -nsf /etc/letsencrypt/live/"$DOMAIN"/fullchain.pem /etc/ssl/certs/zulip.combined-chain.crt
echo "Certbot SSL certificate configuration succeeded."