[Libosinfo] Handling `http://` calls with sudo/su

[Cole Robinson]

On 5/22/19 5:25 AM, Daniel P. Berrangé wrote:
> On Wed, May 22, 2019 at 11:00:04AM +0200, Fabiano Fidêncio wrote:
>> People,
>>
>> https://gitlab.com/libosinfo/libosinfo/issues/30 brought up an
>> interesting fact that I wasn't aware of and may have some negative
>> impact on libosinfo consumers.
>>
>> Basically, GVfs requires access to the session bus (which, by deafult,
>> is private and does not accept connections of any other user apart
>> from the one that owns the bus), causing any call made to
>> `osinfo_{tree,media}_create_from_location()` and any operation of
>> osinfo-db-import and osinfo-detect relying on gvfsd-http to *not* work
>> when called using sudo/su.
>>
>> Cole already stated that it could be blocker for virt-install to every
>> fully depend on libosinfo as `sudo virt-install ...` should just work.
>>
>> Now, what are the options we have? (No, this is not a rethorical question ...)
>>
>> There are a few things that come to my mind:
>> - Stop relying on GVfs for anything that's not local and implement the
>> `http://` on our side;
> 
> Reluctantly that is probably the best option we have :-(
> 

Yeah it's too bad but I think it's the way to go. Thankfully our needs
for fetching http/ftp content should be pretty simple, .treeinfo files
are small

- Cole