John Rouillard wrote at about 16:52:16 +0000 on Tuesday, August 11, 2009:
> On Mon, Aug 10, 2009 at 02:05:51AM -0400, Jeffrey J. Kosowsky wrote:
> > John Rouillard wrote at about 15:54:36 +0000 on Thursday, August 6, 2009:
> > > I run multiple backupc servers over wan's and I am trying to implement
> > > the following logic:
> > >
> > > If the host being backed up by the backuppc server is at the same
> > > site as the backuppc server, do not add --bwlimit to
> > $Conf{RsyncArgs}.
> > >
> > > If the host being backed up by the backuppc server is at a different
> > > site, add "--bwlimit=64" to $Conf{RsyncArgs}.
> > >
> > > Ideally this should be placed into the config.pl so it works for all
> > > hosts, but I don't see any way to get the current hostname when the
> > > configuration is loaded.
>
> So it looks like the current hostname only comes into play at the
> hostname.pl config file load level? Or does the load of config.pl also
> have $_[1] set to the hostname.
I'm not sure - but I believe it is just a perl thing related to how
the hostname.pl file is sourced. Try it though to confirm.
On a similar note, I have suggested that BackupPC load in more
user-accessible variables such as 'hostname' etc.
> > > While I can create 100+ pc/hostname.pl files, this gets very messy
> > > very quickly since I have to have at least two copies of each
> > > pc/hostname.pl file for the two (or more) backup servers that are
> > > backing up the data on the host. I have done this before with other
> > > backup systems, and trying to audit and verify the configuration is a
> > > total mess.
> > >
> > > I would like to allow this to be overidden by pc/hostname.pl files as
> > > there will be a dozen or so that need to have special bwlimit settings
> > > because of the amount of data that they transfer, but this is maybe 20
> > > files total, not the 200+ I am looking at having to manage.
> > >
> > > So does anybody have any ideas? Is there a $Conf{CurrentHostName}
> > > value I am not seeing? Other ideas on how to do this programatically?
> >
> > I described a way to do this back in the archives...
> > Briefly, in /etc/BackupPC/pc, create links from each <hostname>.pl to
> > the config file you want to use for that group of hosts. Then use perl
> > code within that config file to recover the name of the specific host
> > by looking at the variable $_[1] which will be set to <hostname>.
>
> I already use the link idea where I can, but that is still a
> maintainance nightmare. What I would like is rather than a link, a
> file to be loaded with the group level info (specified in the hosts
> file somehow) that I can manipulate.
>
> The hostname location in $_[1] may do the trick however. Thanks for
> that bit of info.
>
> --
> -- rouilj
>
> John Rouillard System Administrator
> Renesys Corporation 603-244-9084 (cell) 603-643-9300 x 111
>
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