[OE-core] [PATCH] image.bbclass: Adding loop back for machine name in hosts file

[Khem Raj]

On 14-08-04 15:18:05, Paul Eggleton wrote:
> Hi Sujith,
> 
> On Monday 04 August 2014 19:27:08 Sujith H wrote:
> > From: Sujith H <Sujith_Haridasan at mentor.com>
> > 
> > If hostname is not added to /etc/hosts file then rpcinfo
> > command fails when hostname is passed as argument. This was
> > observed when rpcinfo command was tested on freescale target.
> > Below was the output observed without this change.
> > 
> > root at mx6q:~# rpcinfo -s mx6q
> > rpcinfo: can't contact rpcbind: RPC: (unknown error code)
> > 
> > Below is the output after this change:
> > root at mx6q:~# rpcinfo -s mx6q
> >    program version(s) netid(s)                         service     owner
> >     100000  2,3,4     local,udp,tcp,udp6,tcp6          portmapper  superuser
> > root at mx6q:~#
> > 
> > Signed-off-by: Sujith H <Sujith_Haridasan at mentor.com>
> > ---
> >  meta/classes/image.bbclass | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
> > index 82605f2..7a5a5c1 100644
> > --- a/meta/classes/image.bbclass
> > +++ b/meta/classes/image.bbclass
> > @@ -341,6 +341,14 @@ ssh_disable_dns_lookup () {
> >  	fi
> >  }
> > 
> > +ROOTFS_POSTPROCESS_COMMAND += "add_machine_name_loop_back;"
> > +
> > +add_machine_name_loop_back() {
> > +    if [ -n ${MACHINE} ]; then
> > +         echo 127.0.1.1 "       "${MACHINE} >>
> > ${IMAGE_ROOTFS}${sysconfdir}/hosts +    fi
> > +}
> > +
> 
> I think in the earlier discussion the conclusion was that we do not want this 
> enabled by default, which the above will do.
> 
> The question I have is, if this isn't a good idea, is there a better solution?

These things belong to first time install/commissioning of the device
IMO. They are necessary operations but we do not have first time boot
scenario