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Let's Encrypt Auto-Renewal using the Webroot Plugin (Nginx) - Single renew script to support multiple configs at once
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#!/bin/bash | |
web_service='nginx' | |
config_files="/usr/local/etc/letsencrypt/*.ini" | |
le_path='/opt/letsencrypt' | |
exp_limit=30; | |
do_reload=0; | |
for config_file in $config_files; do | |
domain=`grep "^\s*domains" $config_file | sed "s/^\s*domains\s*=\s*//" | sed 's/(\s*)\|,.*$//'` | |
cert_file="/etc/letsencrypt/live/$domain/fullchain.pem" | |
if [[ ! -f $cert_file ]]; then | |
echo "[ERROR] certificate file not found for domain $domain." | |
continue; | |
fi | |
exp=$(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)." | |
else | |
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 $config_file | |
do_reload=1; | |
fi | |
done | |
if [[ "$do_reload" -gt 0 ]]; then | |
echo "Reloading $web_service" | |
/usr/sbin/service $web_service reload | |
echo "Renewal process finished for expiring domains" | |
exit 0; | |
fi |
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# 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 = https://acme-staging.api.letsencrypt.org/directory | |
# Uncomment and update to register with the specified e-mail address | |
email = you@example.com | |
# Uncomment and update to generate certificates for the specified | |
# domains. | |
domains = example.com, www.example.com | |
# 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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