08:15 <kuya> hannes: yay. so its not just me and not ssh-agent! :D

16:57 <hark> what is be the mirage compatible equivalent of a unix file descriptor?

17:00 <dinosaure> hark: currently, mirageos does not have a proper file-system as we spontaneously expect :) so it's depend on what you want mostly

17:01 <dinosaure> for example, you can store a "file" into your unikernel with ocaml-crunch

17:01 <dinosaure> then, you are able to read it (only) but any update of your file needs a recompilation of the unikernel

17:02 <dinosaure> an other way is to use irmin as a database which can represent your file-system

17:02 <dinosaure> this is what we use currently with ocaml-git, by that, your unikernel can be synchronized with a Git repository which contains your files

17:03 <dinosaure> and you can add a entry-point (like a telnet port) to ask to your unikernel to pull the Git repository

17:03 <dinosaure> (in other side, an unikernel can push to a Git repository)

17:05 <hark> something needs to be able to write its state to disk and read it back

17:05 <dinosaure> irmin + ocaml-git seems the best solution for you

17:05 <hark> so, on unix i can just pass the file descriptor, and then that thing does not need to know what file it writes to

17:06 <hark> the opening of the file would be done by another module

17:07 <dinosaure> this is should work with the unix target but it's not the purpose of mirageos in general, the rule is to avoid the unix dependency as much as possible

17:08 <dinosaure> by that, an unikernel, for hvt (Solo5 - virtualization) or unix works in the same way

17:09 <hark> dinosaure: thats why i am asking how to make it more generic

17:11 <hark> ah, there is mirage k / v that would work

17:14 <dinosaure> from what I know, you can probably have a KV-store in memory

17:15 <dinosaure> but you need to know that any updates in your KV-store will be not saved anywhere

17:16 <hark> dinosaure: the unix implementation does no?

17:18 <dinosaure> yes, the unix will probably save, but your unikernel will be not be compatible with Solo5/Xen

20:58 <hannes> there's allegedly a FAT filesystem implementation which could be used as a backend for mirage-kv, there's via irmin + ocaml-git an implementation where each save/write does a push to the git remote, and allegedly there's a new filesystem called wodan to-be-used with mirage-kv (I've only ever tried the second option, which works fine for small data sets)