BackupPC-users

Re: [BackupPC-users] BackupPC not recording DumpPreUserCmd in XferLOG if non-zero exit is not ignored.

2009-02-24 19:45:17
Subject: Re: [BackupPC-users] BackupPC not recording DumpPreUserCmd in XferLOG if non-zero exit is not ignored.
From: "Jeffrey J. Kosowsky" <backuppc AT kosowsky DOT org>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Tue, 24 Feb 2009 16:30:51 -0500
John Rouillard wrote at about 20:57:48 +0000 on Tuesday, February 24, 2009:
 > On Tue, Feb 24, 2009 at 03:17:43PM -0500, Jeffrey J. Kosowsky wrote:
 > > John Rouillard wrote at about 20:07:04 +0000 on Tuesday, February 24, 2009:
 > >  > On Sun, Feb 22, 2009 at 02:47:52PM -0800, Craig Barratt wrote:
 > >  > > James writes:
 > >  > > > I made a script with the following contents as a test and named
 > >  > > > it startbkpemail.sh (just used the example name from the post)
 > >  > > > and added the a line '/usr/local/bin/startbkpemail.sh $host
 > >  > > > $type';  in the DumpPreUserCmd field in the host config - but
 > >  > > > it is not executing it. Any suggestions? The permissions on the
 > >  > > > file are 777 for testing so I know that is not the problem.
 > >  > > 
 > >  > > Is there any error message in the XferLOG file?  Does it say it is
 > >  > > executive your DumpPreUserCmd?
 > >  > 
 > >  > I was also working with DumpPreUserCmd and having errors when
 > >  > executing it (I was editing the config.pl file directory and using "
 > >  > not ' so the variable arguments weren't being passed in
 > >  > correctly). The script was generating stdout and stderr output, but I
 > >  > never saw an XferLOG link in the web interface or a non-zero length
 > >  > xferlog in the filesystem for the dump. There seems to be a problem in
 > >  > 3.1.0 where the xferlog is not written or preserved if the
 > >  > DumpPreUserCmd exits with a non-zero exit code.
 > > 
 > > I must be missing something, because I would think that the behavior
 > > you describe is normal. If DumpPreUserCmd returns an error, then the
 > > backup never starts so you don't get an XferLOG file - am I missing
 > > something obvious here?
 > 
 > Well yes and no. I agree it could be considered reasonable, but where
 > does the error from the DumpPreUserCmd go otherwise?
 > 
 > According to the manual it's supposed to be in the XferLog:
 > 
 >   Stdout from these commands will be written to the Xfer (or Restore)
 >   log file. One example of using these commands would be to shut down
 >   and restart a database server, dump a database to files for backup, or
 >   doing a snapshot of a share prior to a backup. Example:
 > 
 >    $Conf{DumpPreUserCmd} = '$sshPath -q -x -l root $host /usr/bin/dumpMysql';
 > 
 > However this could have been written before
 > 
 >   $Conf{UserCmdCheckStatus}
 > 
 > existed.
 > 
 > I make the claim that any output that is generated by a BackupPC_dump
 > command should be placed into the XferLOG (which is arguable misnamed
 > and could be BackupAttemptLOG but such is life).
 > 

I'm not disagreeing, just saying that is the way it may be coded now.

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