Top-level domain name registry service on Google Cloud Platform
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Michael Muller 3327c1ae9b Add a "ReplaySpecializer" to fix certain replays (#989)
* Add a "ReplaySpecializer" to fix certain replays

Due to the fact that a given entity in either database type can map to
multiple entities in the other database, there are certain replication
scenarios that don't quite work.  Current known examples include:

- propagation of cascading deletes from datastore to SQL
- creation of datastore indexed entities for SQL entities (where indexes are a
  first-class concept)

This change introduces a ReplaySpecializer class, which allows us to declare
static method hooks at the entity class level that define any special
operations that need to be performed before or after replaying a mutation for
any given entity type.

Currently, "before SQL delete" is the only supported hook.  A change to
DomainContent demonstrating how this facility can be used to fix problems in
cascading delete propagation will be sent as a subsequent PR.

* Throw exception on beforeSqlDelete failures

* Changes for review
2021-03-09 07:12:15 -05:00
buildSrc Update a few plugins for Java 11 compatibility (#966) 2021-03-02 21:01:30 -05:00
common Properly set up JPA in BEAM workers (#965) 2021-02-22 18:11:32 -05:00
config Fix flyway invocation in Gradle script (#993) 2021-03-08 13:59:28 -05:00
core Add a "ReplaySpecializer" to fix certain replays (#989) 2021-03-09 07:12:15 -05:00
db Fix flyway invocation in Gradle script (#993) 2021-03-08 13:59:28 -05:00
docs Properly set up JPA in BEAM workers (#965) 2021-02-22 18:11:32 -05:00
gradle Upgrade to Gradle 6.8.3 (#979) 2021-03-01 21:11:06 -05:00
integration Enhance the test for forbidden Schema changes (#815) 2020-09-24 12:31:08 -04:00
java-format Remove extra space after bashslash (#743) 2020-08-04 20:00:46 -04:00
networking Reject handshakes with bad TLS protocols and ciphers (#970) 2021-03-03 15:47:42 -05:00
prober Update a few plugins for Java 11 compatibility (#966) 2021-03-02 21:01:30 -05:00
processor Properly set up JPA in BEAM workers (#965) 2021-02-22 18:11:32 -05:00
proxy Reject handshakes with bad TLS protocols and ciphers (#970) 2021-03-03 15:47:42 -05:00
python/google/registry/scripts Remove Bazel build (#94) 2019-06-13 18:15:33 -04:00
release Script to rolling-start Nomulus (#888) 2020-12-01 10:14:05 -05:00
services Properly set up JPA in BEAM workers (#965) 2021-02-22 18:11:32 -05:00
third_party/objectify/v4_1 Upgradle JUnit to 4.13 (#442) 2020-01-14 10:54:09 -05:00
util Update a few plugins for Java 11 compatibility (#966) 2021-03-02 21:01:30 -05:00
.gcloudignore Build docker image of nomulus tool (#142) 2019-07-16 20:18:44 -04:00
.gitignore Fix a few Java 9+isms and ignore IML files (#973) 2021-02-25 14:59:00 -05:00
.lgtm.yml Enable Java 11 features (#737) 2020-08-03 16:08:29 -04:00
appengine_war.gradle Remove separate deployment of persistence.xml (#563) 2020-04-23 13:35:37 -04:00
AUTHORS Change all references to Domain Registry to Nomulus 2016-10-14 16:58:07 -04:00
build.gradle Allow AppEngine deployment to qa environment (#986) 2021-03-03 19:31:08 -05:00
CONTRIBUTING.md Add Google Java Style Guide info and link to CONTRIBUTING.md 2016-11-15 11:01:16 -05:00
CONTRIBUTORS Add Sara and Legina to CONTRIBUTORS (#931) 2021-01-14 20:16:55 -05:00
dependencies.gradle Update a few plugins for Java 11 compatibility (#966) 2021-03-02 21:01:30 -05:00
dependency_lic.gradle Upgrade Gradle license report plugin to latest version (1.13) (#492) 2020-02-25 15:04:56 -05:00
gradle.properties Enhance the test for forbidden Schema changes (#815) 2020-09-24 12:31:08 -04:00
gradlew Upgrade to Gradle 6.6.1 (#792) 2020-09-03 15:56:52 -04:00
gradlew.bat Upgrade to Gradle 6.6.1 (#792) 2020-09-03 15:56:52 -04:00
java_common.gradle Validate SQL credentials in Secret Manager (#907) 2020-12-16 10:57:03 -05:00
LICENSE Fix a typo (#174) 2019-07-15 17:49:22 -04:00
nom_build Create a nom_build wrapper script (#508) 2020-03-10 16:32:14 -04:00
nomulus-logo.png Update Nomulus logo 2017-05-23 17:22:49 -04:00
package-lock.json Update NPM plugin and hardcode versions of Node / NPM to use (#971) 2021-02-23 11:27:34 -05:00
package.json Update NPM dependency based on Github security warning (#941) 2021-01-25 23:04:30 -05:00
projects.gradle Allow AppEngine deployment to qa environment (#986) 2021-03-03 19:31:08 -05:00
README.md Update Javadoc URL (#615) 2020-06-09 10:25:56 -04:00
rollback_tool An automated rollback tool for Nomulus (#847) 2020-10-29 10:37:20 -04:00
settings.gradle Enable Java 11 features (#737) 2020-08-03 16:08:29 -04:00
utils.gradle Use Flyway to deploy SQL schema to non-prod (#255) 2019-09-06 16:29:49 -04:00
vnames.json Create kzip file for Kythe cross-referencing (#424) 2020-01-03 16:57:39 -05:00

Nomulus

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Nomulus logo

Overview

Nomulus is an open source, scalable, cloud-based service for operating top-level domains (TLDs). It is the authoritative source for the TLDs that it runs, meaning that it is responsible for tracking domain name ownership and handling registrations, renewals, availability checks, and WHOIS requests. End-user registrants (i.e. people or companies that want to register a domain name) use an intermediate domain name registrar acting on their behalf to interact with the registry.

Nomulus runs on Google App Engine and is written primarily in Java. It is the software that Google Registry uses to operate TLDs such as .google, .app, .how, .soy, and .みんな. It can run any number of TLDs in a single shared registry system using horizontal scaling. Its source code is publicly available in this repository under the Apache 2.0 free and open source license.

Getting started

The following resources provide information on getting the code and setting up a running system:

If you are thinking about running a production registry service using our platform, please drop by the user group and introduce yourself and your use case. To report issues or make contributions, use GitHub issues and pull requests.

Capabilities

Nomulus has the following capabilities:

  • Extensible Provisioning Protocol (EPP): An XML protocol that is the standard format for communication between registrars and registries. It includes operations for registering, renewing, checking, updating, and transferring domain names.
  • DNS interface: The registry provides a pluggable interface that can be implemented to handle different DNS providers. It includes a sample implementation using Google Cloud DNS as well as an RFC 2136 compliant implementation that works with BIND.
  • WHOIS: A text-based protocol that returns ownership and contact information on registered domain names.
  • Registration Data Access Protocol (RDAP): A JSON API that returns structured, machine-readable information about domain name ownership. It is essentially a newer version of WHOIS.
  • Registry Data Escrow (RDE): A daily export of all ownership information for a TLD to a third party escrow provider to allow take-over by another registry operator in the event of serious failure. This is required by ICANN for all new gTLDs.
  • Premium pricing: Communicates prices for premium domain names (i.e. those that are highly desirable) and supports configurable premium registration and renewal prices. An extensible interface allows fully programmatic pricing.
  • Billing history: A full history of all billable events is recorded, suitable for ingestion into an invoicing system.
  • Registration periods: Qualified Launch Partner, Sunrise, Landrush, Claims, and General Availability periods of the standard gTLD lifecycle are all supported.
  • Brand protection for trademark holders (via TMCH): Allows rights-holders to protect their brands by blocking registration of domains using their trademark. This is required by ICANN for all new gTLDs.
  • Registrar support console: A self-service web console that registrars can use to manage their accounts in the registry system.
  • Reporting: Support for required external reporting (such as ICANN monthly registry reports, CZDS, Billing and Registration Activity) as well as internal reporting using BigQuery.
  • Administrative tool: Performs the full range of administrative tasks needed to manage a running registry system, including creating and configuring new TLDs.
  • DNS interface: An interface for DNS operations is provided so you can write an implementation for your chosen provider, along with a sample implementation that uses Google Cloud DNS. If you are using Google Cloud DNS you may need to understand its capabilities and provide your own multi-AS solution.
  • GAE Proxy: App Engine Standard only serves HTTP/S traffic. A proxy to forward traffic on EPP and WHOIS ports to App Engine via HTTPS is provided. Instructions on setting up the proxy on Google Kubernetes Engine is available. Running the proxy on GKE supports IPv4 and IPv6 access, per ICANN's requirements for gTLDs. The proxy can also run as a single jar file, or on other Kubernetes providers, with modifications.

Additional components

Registry operators interested in deploying Nomulus will likely require some additional components that are need to be configured separately.

  • A way to invoice registrars for domain name registrations and accept payments. Nomulus records the information required to generate invoices in billing events.
  • Fully automated reporting to meet ICANN's requirements for gTLDs. Nomulus includes substantial reporting functionality but some additional work will be required by the operator in this area.
  • A secure method for storing cryptographic keys. A keyring interface is provided for plugging in your own implementation (see configuration doc for details).
  • System status and uptime monitoring.

Outside references

  • Donuts Registry has helped review the code and provided valuable feedback
  • CoCCa and FRED are other open-source registry platforms in use by many TLDs
  • We are not aware of any fully open source domain registrar projects, but open source EPP Toolkits (not yet tested with Nomulus; may require integration work) include:
  • Some Open Source DNS Projects that may be useful, but which we have not tested: