[GitHub] [libcloud] zepheiryan opened a new pull request #1323: Add Gandi LiveDNS driver

[GitBox <gi...@apache.org>]

zepheiryan opened a new pull request #1323: Add Gandi LiveDNS driver
URL: https://github.com/apache/libcloud/pull/1323
 
 
   ## Add Gandi LiveDNS driver
   
   [Gandi](https://gandi.net) released an API for their DNS service completely different from their previous XMLRPC implementation.  This contribution adds a driver to cover the new service, per [LIBCLOUD-949](https://issues.apache.org/jira/browse/LIBCLOUD-949).
   
   ### Description
   
   This is a new driver and does not touch on any of the previous Gandi XMLRPC driver code.  The implementation is similar to other providers that use HTTP and JSON.
   
   Gandi's [documentation](https://doc.livedns.gandi.net/) is the overall basis for the implementation though there are some minor discrepancies in it that don't match up to usage experience.  They also left out any documentation of errors.
   
   One point of possible confusion is that zones and domains are separate classes in this service, which enables reuse of one zone file for multiple domains but becomes somewhat difficult to shoehorn into Libcloud's classes, especially since what's referred to as a Libcloud zone corresponds to a Gandi domain, and nothing really corresponds to a Gandi zone.  There is precedence since this is also true of the existing Gandi XMLRPC implementation, which appears to me to have chosen to go with ignoring Gandi zones as much as possible in favor of domains.  The new Gandi API does allow for this (actions taken on a domain will apply to the zone and all related domains behind the scenes), but it means things like `delete_zone` and `update_zone` have no real meaning - one cannot delete a Gandi domain from the API, and it is basically immutable if ignoring Gandi zones - so I didn't implement those methods.
   
   ### Status
   
   Done, ready for review
   
   ### Checklist (tick everything that applies)
   
   - [x] [Code linting](http://libcloud.readthedocs.org/en/latest/development.html#code-style-guide) (required, can be done after the PR checks)
   - [x] Documentation
   - [x] [Tests](http://libcloud.readthedocs.org/en/latest/testing.html)
   - [x] [ICLA](http://libcloud.readthedocs.org/en/latest/development.html#contributing-bigger-changes) (required for bigger changes)
   

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