Open Stack

We have a template usability session at 9am this morning, and we'll be 
covering these sort of utility functions as part of that session. If you 
don't make it we can follow up later.

On 05/11/14 15:46, Lee, Alexis wrote:
>
> I’m considering adding a function which takes a list and returns the first
>
> non-null, non-empty value in that list.
>
> So you could do EG:
>
>  some_thing:
>
>     config:
>
>         ControlVIP:
>
>             first_nonnull:
>
>             - {get_param: ControlVIP}
>
>             - {get_attr: [ControlVirtualIP, fixed_ips, 0, ip_address]}]}
>
> I’m open to other names, EG “some”, “or”, “fallback_list” etc.
>
> Steve Hardy suggested building this into get_attr or Fn::Select. My 
> feeling
>
> is that those each do one job well right now, I’m happy to take a steer
>
> though.
>
> What do you think please?
>
> Alexis (lxsli)
>
>
>
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