Dynamic DNS

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Objective

Supports for DNS names for VMs in EGI Federated cloud are recently required by many VOs. The aim of this task is to provide Dynamic DNS support for VMs in EGI Federated Clouds. Users can register their chosen sensible names in given DNS domains (e.g. my-server.vo-name.egi.eu) and assign to public IPs of their VMs in EGI Federated Cloud. By using Dynamic DNS, users can host servers in EGI Federated Cloud with their chosen server names, can freely move VMs from sites to sites without modifying server/client tools, can request server certificates in advance and reuse them and many other advantages.

Participants

Viet Tran (IISAS) viet.tran _at_ savba.sk

Requirements

Basic functionalities

Web-based GUI interfaces for registering DNS names for EGI users
DNS server with Dynamic DNS support for forward DNS
Command-line clients for assigning registered 

Advanced functionalities

Using EGI Checkin services
Command-line client for registering DNS names

Not compulsory but desired functionalities

Support for reverse DNS

Used technologies

BIND9 server with configuration for updating DNS names via RFC 2136
nsupdate.info software for registering and managing DNS names/domains

Current status

A testing domain fedcloud.eu is being registered for testing and development (without touching production domains like egi.eu)
DNS servers are installed and configured for fedcloud.eu domain
Portal is installed on configured
Users can register themselves and log in portal, can register DNS names within fedcloud.eu domain and assign to VMs

Next steps

Integrate to EGI CheckIn service
Support for command-line clients for registering domains