Re: [Xen-devel] [OSSTEST Nested PATCH v8 3/7] Edit some APIs in TestSupport.pm for nested test

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Tue, 2015-04-21 at 14:28 +0100, Ian Jackson wrote:
> Ian Campbell writes ("Re: [OSSTEST Nested PATCH v8 3/7] Edit some APIs in 
> TestSupport.pm for nested test"):
> > On Tue, 2015-04-21 at 13:33 +0100, Ian Jackson wrote:
> > > It seems to be copying information from runvars into the in-memory
> > > data structure for host properties.  But host properties are (by
> > > definition) matters of (fixed) configuration, not runtime definition.
> > 
> > Remember that here the "host" is actual an L1 virtual machine, whose IP
> > is not fixed (since it mac address isn't).
> 
> Indeed.
> 
> > I don't know if that affects your opinion at all?
> 
> No, it doesn't.  I agree that the IP address should be dynamically
> figured out, and passing it through a runvar is fine.
> 
> I'm only objecting to the involvement of the host property machinery.

I'm afraid I'm not 100% sure I understand, but do you just mean that
longtao should assign to $ho->{Ip} directly within selecthost instead of
using $setprop to set the IpAddr hostprop and therefore indirectly
->{Ip}?

IOW the existing code in selecthost which looks up the IpAddr host prop
into $ho->{IpStatic} and then into $ho->{Ip} should prefer the runvar to
the host db if it is set?

BTW, what is the difference between ->{Ip} and ->{IpStatic} and should
the runvar be reflected in both or just in ->{Ip}?

Ian.


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