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Forked from thisismitch/le-renew-webroot
Last active January 30, 2016 00:52
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Let's Encrypt Auto-Renewal using the Webroot Plugin (Nginx) - Single renew script to support multiple configs at once
for config_file in $config_files; do
domain=`grep "^\s*domains" $config_file | sed "s/^\s*domains\s*=\s*//" | sed 's/(\s*)\|,.*$//'`
if [[ ! -f $cert_file ]]; then
echo "[ERROR] certificate file not found for domain $domain."
exp=$(date -d "`openssl x509 -in $cert_file -text -noout|grep "Not After"|cut -c 25-`" +%s)
datenow=$(date -d "now" +%s)
days_exp=$(echo \( $exp - $datenow \) / 86400 |bc)
echo "Checking expiration date for $domain..."
if [[ "$days_exp" -gt "$exp_limit" ]] ; then
echo "$domain certificate is up to date, no need for renewal ($days_exp days left)."
echo "The certificate for $domain is about to expire soon. Starting webroot renewal script..."
$le_path/letsencrypt-auto certonly -a webroot --agree-tos --renew-by-default --config $config_file
if [[ "$do_reload" -gt 0 ]]; then
echo "Reloading $web_service"
/usr/sbin/service $web_service reload
echo "Renewal process finished for expiring domains"
exit 0;
# This is an example of the kind of things you can do in a configuration file.
# All flags used by the client can be configured here. Run Let's Encrypt with
# "--help" to learn more about the available options.
# Use a 4096 bit RSA key instead of 2048
rsa-key-size = 4096
# Always use the staging/testing server
# server =
# Uncomment and update to register with the specified e-mail address
email =
# Uncomment and update to generate certificates for the specified
# domains.
domains =,
# Uncomment to use a text interface instead of ncurses
# text = True
# Uncomment to use the standalone authenticator on port 443
# authenticator = standalone
# standalone-supported-challenges = tls-sni-01
# Uncomment to use the webroot authenticator. Replace webroot-path with the
# path to the public_html / webroot folder being served by your web server.
# authenticator = webroot
webroot-path = /usr/share/nginx/html
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