#!/bin/sh

dns={{ dns[0] }}
ldap_user={{ ldap_user }}
ttl=10

kinit -k -t /etc/krb5.keytab "${ldap_user}"
nsupdate -g <<EOF
server ${dns}
update add _acme-challenge.${CERTBOT_DOMAIN} ${ttl} TXT ${CERTBOT_VALIDATION}
send
EOF
sleep $(( ttl + 5 ))