add-certificate

#!/bin/bash
#
# Add a new certificate to an existing web site - usually when domain name have been changed or added manually

# Ensure running as root
if [ "$(id -u)" -ne 0 ]; then
    echo 'This script is designed to run as root'
    exit
fi

# Check arguments
if [ $# -lt 2 ]; then
    echo 'Syntax: add-certificate <site-name> <domain>'
    exit
fi

# Include common functions
source "${0%/*}/common"

# Determine site information. Separate domain name and port from second argument.
SITENAME=$1
SITEDOMAIN=$2

# Check number of dots in domain and use if we should add a www subdomain
DOTCOUNT=$(awk -F. '{print NF-1}' <<<"$SITEDOMAIN")
SERVERNAME=$SITEDOMAIN
if [ $DOTCOUNT -le 1 ]; then
    SERVERNAME="$SERVERNAME www.$SITEDOMAIN"
fi

# Create Letsencrypt certificate
create_certificate $SITENAME $SITEDOMAIN $DOTCOUNT

echo "Created certificate for site $SITENAME"