[OE-core] Connectivity check uris

[Richard Purdie]

On Thu, 2020-01-23 at 09:59 -0500, Jean-Marie LEMETAYER wrote:
> On Jan 23, 2020, at 3:37 PM, Richard Purdie 
> richard.purdie at linuxfoundation.org wrote:
> > On Thu, 2020-01-23 at 09:22 -0500, Jean-Marie LEMETAYER wrote:
> > > I understand the issue with blocked domains this is why I suggest
> > > the
> > > custom domain "connectivitycheck.openembedded.org".
> > > 
> > > But I dont know if it could be an option. Can OE have a sub-
> > > domain
> > > like that? maybe using some cdn to handle the load?
> > 
> > We can certainly setup domains but we can't easily get a cdn. I'd
> > be
> > worried about OE's response time too.
> > 
> > > Another option will be to provide multiple URIs:
> > >     CONNECTIVITY_CHECK_URIS ?= " \
> > >         https://google.com \
> > >         https://www.bing.com \
> > >         https://www.baidu.com \
> > >     "
> > 
> > Looking at the code, I wonder if a CONNECTIVITY_CHECK_MIRRORS,
> > injected
> > into MIRRORS internally with google as the default and baidu as the
> > mirror would work?
> 
> It should work but it will not be efficient as the tries are serially
> executed. So someone in China should have to wait that the former
> domains failed to be able to start the build.

I'm guessing those wouldn't resolve so it should be pretty fast? 

Maybe we make the configuration more obvious in local.conf?

> I am still thinking that the OE subdomain with CDN could be the best
> option.

Sure, but who is going to pay for and maintain a CDN setup?

Cheers,

Richard