[Gluster-infra] [Bug 1562670] Run libgfapi-python tests on Gerrit against glusterfs changes

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1562670

Niels de Vos <ndevos at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ndevos at redhat.com,
                   |                            |ppai at redhat.com
              Flags|                            |needinfo?(ppai at redhat.com)



--- Comment #5 from Niels de Vos <ndevos at redhat.com> ---
I think we might need to add a way to do feature detection through new gfapi
function.

How about adding this:

int glfs_supports(glfs_t *fs, enum glfs_feature)

enum glfs_features {
    GFAPI_READLINK_HAS_FOLLOW = 1,
    GFAPI_GETXATTR_RETURNS_STAT = 2,
    ...
}

It can return 1=YES, 0=NO, -1=unknown feature. Any changes in the API can then
be dynamically checked, making it possible for non-compiled languages (like
Python) to handle different versions. Some features may be available only when
a particular option is set in for the volume, by passing the glfs_t it would be
possible to support these kind of requests as well.

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