[moVirt] when connection fails, user does not know the data are old

[Michal Skrivanek]

On May 26, 2015, at 11:04 , Tomas Jelinek <tjelinek at redhat.com> wrote:

> Hey All,
> 
> we have an interesting bug report from Sandro [1] which says that after the connection between engine and moVirt goes down, moVirt does not notify the user about this and keeps showing the
> old data in the UI as if nothing happened even they are weeks old. This is obviously not correct but not exactly clear how should it behave. I see this options:
> 
> - if the connection fails during the refresh, set all the statuses of everything to "unknown"
>  (I would not do this since this would generate the notifications and may be temporal (e.g. phone in tunnel or something))
> 
> - leave the data as they are and have some top bar or something saying how old the data are. This would be updated at every poll
>  (Not sure, would occupy place and would make it hard for partial updates. And track this for each entity is costy)
> 
> - leave the data as they are and if some server communication fails add a top bar with a warning that the connection to server is lost and the data are old - maybe with some note when was the last successful connection.
>  (this seems simple enough and my favorite but still not convinced I like it…)

how about greying out the outdated data a little, after some period?

> 
> Any more ideas?
> 
> Thanx,
> Tomas
> 
> 
> [1]: https://github.com/matobet/moVirt/issues/66
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