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Re: [Libguestfs] [PATCH 6/6] customize: add basic subscription-manager operations



On Mon, Jul 13, 2015 at 11:58:07AM +0200, Pino Toscano wrote:
> On Thursday 09 July 2015 13:39:33 Richard W.M. Jones wrote:
> > On Wed, Jul 08, 2015 at 04:42:18PM +0200, Pino Toscano wrote:
> > > +        error (f_"subscription-manager configuration required for this operation")
> > 
> > This error message should refer to the --sm-config option in some way,
> > so the error message is actionable.
> > 
> > ---
> > 
> > Patches 1-5 are fine and can go upstream now.
> 
> I've not pushed them, as basically they move the ini reader from
> virt-builder to mllib.
> 
> > I can't say that I'm overjoyed by the new config file format that we
> > need here.
> 
> I basically made use of the ini configuration style as used elsewhere.
> Anything in particular that concerns you?

That virt-builder users will have to create a configuration file in
order to enable s-m.  There is no other virt-customize option where
they have to create a configuration file, except for ones like
'--commands-from-file' and '--password ...:file:...' which are special
cases.

> > Is it not possible to encode the configuration settings into --sm-*
> > parameters?
> 
> The idea is to have settings such as usernames, passwords, and maybe
> also channel pools in a separate configuration, so they are not
> shown in command line; this is similar to what is done in virt-customize
> --password, and also --password-file in virt-v2v.

Well, sort of.  You can use --password entirely on the command line,
or you can use a file, but the file: option exists because of security
concerns.

(virt-v2v --password-file is not very regular, but was added for VDSM)

My question is, can we make s-m function with just:

  virt-builder --sm-credentials foo

  virt-builder --sm-credentials foo:password:123456

  virt-builder --sm-credentials foo:file:/tmp/secret

(or something in a similar spirit)?

> > What about quoting - what happens if the password contains quotes or
> > newlines?
> 
> Right, fixed.
> 
> Thanks,
> -- 
> Pino Toscano



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-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-p2v converts physical machines to virtual machines.  Boot with a
live CD or over the network (PXE) and turn machines into KVM guests.
http://libguestfs.org/virt-v2v


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