Adds DnsWriter that implements DNS UPDATE protocol

* DnsUpdateWriter publishes changes to NS, DS, A, AAAA records
  for domains/hosts as appropriate using RFC 2136 DNS UPDATE protocol
* Static configuration separate from RegistryConfig
* Include dnsjava library as new third party dependency
  to generate DNS protocol messages
* Expose /_dr/task/writeDns in RegistryTestServer
* Currently not included in BackendComponent
This commit is contained in:
Hans Ridder 2016-04-06 08:56:54 -07:00
parent 954d7e1e8f
commit 20f214b9d0
14 changed files with 1006 additions and 2 deletions

View file

@ -30,15 +30,22 @@ public interface DnsWriter extends AutoCloseable {
/**
* Loads {@code domainName} from datastore and publishes its NS/DS records to the DNS server.
* Replaces existing records for the exact name supplied with an NS record for each name server
* and a DS record for each delegation signer stored in the registry for the supplied domain name.
* If the domain is deleted or is in a "non-publish" state then any existing records are deleted.
*
* @param domainName the fully qualified domain name
* @param domainName the fully qualified domain name, with no trailing dot
*/
void publishDomain(String domainName);
/**
* Loads {@code hostName} from datastore and publishes its A/AAAA glue records to the DNS server.
* Replaces existing records for the exact name supplied, with an A or AAAA record (as
* appropriate) for each address stored in the registry, for the supplied host name. If the host is
* deleted then the existing records are deleted. Assumes that this method will only be called for
* in-bailiwick hosts. The registry does not have addresses for other hosts.
*
* @param hostName the fully qualified host name
* @param hostName the fully qualified host name, with no trailing dot
*/
void publishHost(String hostName);