Boaz Harrosh wrote:
> Hans de Goede wrote:
>> Hi All,
>>
>> The API currently offers pretty minimal functionality (just what we need in
>> anaconda) I'm fine with extending this (patches welcome). But currently I
>> would
>> like to focus on the set of functionality as the current API offers and try
>> to
>> get that right. Most important here is to have a clean, clear and usable API
>> which is also future proof, as I want to freeze the ABI of the available
>> functions asap. WRT this I would especially like feedback on the futrue
>> proofness of the libiscsi_node struct.
>>
>
> First of all Thank you very much for doing this. I'm sure it will prove
> very useful in the future, the issue has been raised in the passed, multiple
> times.
>
> I can see that you have not attempted to refactor iscsiadm so to use the
> library.
> Which means you will be shipping the same exact code twice.
If you look at the code you will see that there actually is not all that much
duplication.
> Is your long term
> plan to do that once libiscsi is mature enough, or you would rather keep these
> two separate and duplicated?
>
To keep them separate, see above.
> Regarding the API:
> - The overall state and division of labor looks very nice. :-)
>
> - libiscsi_discover_sendtargets - maybe (very maybe) the "int port" could be
> dropped and
> "const char *address" could be of the form
> "address_or_host[:port]".
> Regarding defaults and all that.
>
Nah, that is ok for a cmdline interface, but cumbersome for an API, we could do
something where port == 0 would choose the default port though.
> - libiscsi_discover_isns - Looks like it is missing the actual input
> parameters usually
> a "char *iqn" I think?
>
I've checked the (AFAIK currently incomplete) iscsiadm code and that does not
have any parameters. Given that this is pretty much a pie in the sky, we could
just remove this function completely for now.
> - libiscsi_discover_firmware - What is that for? Also missing an input
> parameter.
>
This reads iscsi target info (portal and authentication info) from the BIOS of
machines who support booting from iscsi, there is no input parameter, as
machines tend to have only one BIOS (to query).
> - I can't help noticing the missing of query functions, Both query of DB of
> discovered
> Nodes, as well as info of logged-in nodes.
Ack, those are not needed by anaconda, but should probably be added to make
this more generally usefull, patches welcome :)
> - libiscsi_node_set_parameter - Question: (Sorry have not read the code) Is
> that persistent,
> gets saved in DB. Or is just for current
> session/login?
>
Actually it only changes the database, so it will not influence parameters of
the current session. I guess this needs better documentation making this clear.
Regards,
Hans
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