| #!/usr/bin/env bash |
| |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| |
| set -eu |
| |
| domain="ciab.test" |
| shared_dns_dir="/shared/dns" |
| dns_key_file_name="K${domain}.private" |
| |
| my_host="$(hostname -s)" |
| my_interface="$(ifconfig | egrep "^\w.+ " | grep -v lo | awk '{print $1}')" |
| my_interface=${my_interface%":"} |
| my_ip="$(ifconfig $my_interface | grep 'inet ' | awk '{print $2}')" # TODO determine if this should be 'hostname -I' |
| my_ip=${my_ip#"addr:"} |
| my_ip6="$(ifconfig $my_interface | egrep 'inet6 .+<global>' | awk '{print $2}')" |
| |
| full_sub_domain="infra.${domain}" |
| my_fqdn="${my_host}.${full_sub_domain}" |
| |
| ttl="86400" |
| |
| nsupdate_remove_cmd="update delete ${my_fqdn} A" |
| nsupdate_remove_cmd6="update delete ${my_fqdn} AAAA" |
| |
| nsupdate_cmd="update add ${my_fqdn} ${ttl} A ${my_ip}" |
| |
| nsupdate_cmd6= |
| if [ -n "$my_ip6" ] ; then |
| nsupdate_cmd6="update add ${my_fqdn} ${ttl} AAAA ${my_ip6}" |
| fi |
| |
| dns_key_path="$(ls ${shared_dns_dir}/*.private || true)" |
| while [ -z "${dns_key_path}" ]; do |
| printf "insert-self-into-dns waiting for dns server to place key\n" |
| sleep 1 |
| dns_key_path="$(ls ${shared_dns_dir}/*private || true)" |
| done |
| |
| printf "insert-self-into-dns domain $domain dns_key_path $dns_key_path my_host $my_host my_ip $my_ip my_fqdn $my_fqdn cmd '$nsupdate_cmd'\n" |
| |
| nsupdate -v -k "${dns_key_path}" << EOF |
| ${nsupdate_remove_cmd} |
| ${nsupdate_remove_cmd6} |
| ${nsupdate_cmd} |
| ${nsupdate_cmd6} |
| show |
| send |
| EOF |