zulip/scripts/lib/certbot-maybe-renew

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#!/usr/bin/env bash
zulip_conf_get_boolean() {
# Get a boolean flag from zulip.conf, using the Python
# `configparser` library's conventions for what counts as true.
# Treat absent and invalid values as false.
value=$(crudini --get /etc/zulip/zulip.conf "$1" "$2" 2>/dev/null)
case "$(echo "$value" | tr '[:upper:]' '[:lower:]')" in
1 | yes | true | on) return 0 ;;
*) return 1 ;;
esac
}
if ! zulip_conf_get_boolean certbot auto_renew; then
exit 0
fi
deploy_hook="${ZULIP_CERTBOT_DEPLOY_HOOK:-service nginx reload}"
certbot renew --quiet \
--webroot --webroot-path=/var/lib/zulip/certbot-webroot/ \
--deploy-hook "$deploy_hook"