Posted a patch that works at gerritio. It just creats blocks and key
value pairs without checking if they constitute a valid ganesha config
block. Currently, "export" block takes "pseudo value" and "client
block takes "clients-value" as additional arguments. pseudo may not be
used in NFSv3 only environments (not sure about 9P).

I am thinking to support "pseudo", "path" or "export_id" as well. So
to change an export block that has export id as 16, one would do
"ganesha_conf set export export_id 16 --param1 value1 --param2
value2". If one wants to use pseudo instead, it can be done as
"ganesha_conf set export pseudo /nfsroot/spath1 value1 --param2 value2"

I am thinking of allowing "export_id", "pseudo" and "path" keys for
"export" block identification. We only use "clients" for the client
block, but to be consistent with the export block, we will have
"ganesha_conf export export_id 16 client clients 192.168.1.0 --param1
--value" to change the corresponding "client" block.

Any suggestions or issues with this approach?

Regards, Malahal.

On Mon, Feb 27, 2017 at 2:45 PM, Dominique Martinet
<dominique.marti...@cea.fr> wrote:
> Malahal Naineni wrote on Sat, Feb 25, 2017 at 03:33:17PM +0530:
>> - All config is in blocks
>> - Most blocks are unique with their tag names
>>   - exceptions: "export" and "client" blocks.
>>   - "export" is unique by "path" value
>
> More like unique by pseudo path; path can be identical for various
> reasons (e.g. exporting the same backend multiple times with different
> options)
>
>>   - "client" is unique by "clients" value with in the export block.
>> - Log blocks have few subblocks.
>
> export can also have an arbitrary number of sub-blocks (for FSAL and
> stackable FSALs); I think the syntax here should be generic enough and
> recursively handled e.g. maybe
> ganesha_config set blockname.subblock[.subblock[...]] key value
>
> --
> Dominique

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