On Mon, Feb 17, 2014 at 6:57 PM, Holger Parplies <wb...@parplies.de> wrote:
> Bhaskar S. Manda wrote on 2014-02-17 15:56:59 -0600 [[BackupPC-users] Need
> run-time variable substitution for SSH username]:
>
> > Instead, the suggested RsyncClientCmd and RsyncClientRestoreCmd
> > use the username 'root' , as follows.
> > $Conf{RsyncClientCmd} = '$sshPath -q -x -l root $host $rsyncPath
> > $argList+';
>
> .... If you change the user
> name, it generally will not work, because you either need to add (and
> configure!) a 'sudo' invocation or something similar for privilege
> escalation,
> or define your backup set to be completely readable by the user of choice.
>
My use case is to backup production machines, on which we are generally
working as a production user (like 'prod'), so it makes sense to run the
backups as that user, without having to define additional users (like
backuppc). There are also some Windows machines which are backed up using
the ssh+rsync+tsched+vshadow recipe, where the more natural user name is
Administrator and not root. Whereas I was conflating the backup user's
name on the client with the users to notify, there is still the issue that
there is a 3rd piece of information that is currently custom-configured in
the RsyncClient* commands.
All of that said, you *can* configure the user name to be used in
> ~backuppc/.ssh/config (on the BackupPC server), e.g.
> Host backup-client-1
> User backup-user-name-1
I didn't know you could do this, and this seems to be an ideal solution!
There is special set-up needed to use SSH anyway (such as authorized_users
for password-less logins) , so the client username becomes another thing to
configure in that step.
> I request that things be simplified by doing a variable substitution for
> > $sshLogin [...]
>
> If at all this is considered, it should *not* be called $sshLogin, because
> that's not what the value means. It's $emailUserName or perhaps
> $backupOwner.
>
Perhaps the variable names should be more explicit :)
--
Bhaskar S. Manda
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