[Freeipa-devel] Structured DNS record API proposal

[Martin Kosek]

On Fri, 2011-09-16 at 09:42 +0200, Martin Kosek wrote:
> On Thu, 2011-09-15 at 15:28 -0400, Adam Young wrote:
> > On 09/14/2011 12:18 PM, Martin Kosek wrote: 
> > > Attached in the txt file. If you have any comments or suggestions to
> > > this proposal, please let me know.
> > > 
> > > https://fedorahosted.org/freeipa/ticket/1766
> > > 
> > > 
> > > _______________________________________________
> > > Freeipa-devel mailing list
> > > Freeipa-devel at redhat.com
> > > https://www.redhat.com/mailman/listinfo/freeipa-devel
> > 
> > 
> > ACK.  Proposal looks like it will work fairly easily with the UI.
> > We'll have to make some chagnes due to the Add doing something
> > different based on the type, but that is the case anyway.
> 
> Yes, I was thinking how can we integrate this new API to WebUI. AFAIK
> you use dnsrecord-add $ZONE $REC --a-rec=... --mx-rec=... for adding a
> new DNS record and dnsrecord-mod $ZONE $REC --mx-rec=... when for
> example the mx record is being modified. All MX values (even the
> unmodified ones) are passed to dnsrecord-mod.
> 
> 1) I was wondering how the new dnsrecord-<rrtype>-add commands can be
> used. I suppose WebUI will know a list of DNS record types with these
> new structured commands and offer the user new window to add a record
> for these types instead of typing them directly to the text box as it is
> now.
> 
> 2) But my main concern here is how the modification of current DNS
> records should work. Say, we have 2 MX records for example.com. How can
> we modify one of it in a new structured interface?
> 
> We would have to implement dnsrecord-mx-show method so that you can fill
> all the text areas (preference, mailserver). Question is how to refer
> the value we want to show since DNS records are multivalued. We could
> pass --dnsrecord="..." with DNS record value, e.g. "0 mx.example.com."
> and then use the same value for dnsrecord-mx-mod. The whole command
> sequence would look this way:
> 
> dnsrecord-find example.com      -- get all DNS records for example.com
> dnsrecord-show example.com @    -- show DNS records directly in the zone
> NS: "ns.example.com"
> MX: "0 mx1.example.com."
> MX: "1 mx2.example.com." << user wants to modify this one -> new window
> 
> dnsrecord-mx-show example.com --dnsrecord="1 mx1.example.com."
> PREFERENCE: 1	         << user modifies this to 0
> MAILSERVER: mx2.example.com.
> 
> dnsrecord-mx-mod example.com --dnsrecord="1 mx1.example.com." --preference=0
> 
> 
> What do you think about this API for record modification?
> 
> Martin
> 

Adam, Endi or Petr - can you please comment this API proposal for record
modification? It is important to design the API correctly.

Thanks,
Martin