Robin Lee Powell wrote at about 09:30:17 -0800 on Thursday, February 3, 2011:
> On Thu, Feb 03, 2011 at 09:22:00AM -0800, Robin Lee Powell wrote:
> > OK, so the question becomes, how do I monitor for general backup
> > queue problems? I've had situations where something gets stuck,
> > like a nightly job, and the queue gets backed up, and I want to
> > detect that.
> >
> > I guess if I could get access to the backup age that's on the host
> > summary, from a script, that would do.
>
> Got it; short version below, remind me to post after the real script
> is done:
>
> for num in $(sudo -u backuppc BackupPC_serverMesg status hosts | sed
> 's/},[{"]/\n/g' | grep lastGoodBackupTime | sed 's/.*"lastGoodBackupTime" =>
> "//' | sed 's/".*//' )
> do
> if [ $[$(date +%s) - $num] -gt 77760 ]
> then
> echo "needs backup"
> fi
> done
OK I couldn't resist...
I tried your script and unfortunately it doesn't say *which* host
needs backup. Also, it uses 3 seds and a grep... there has to be a
better way...
So here is my "1-liner"
(set -- $(sudo -u backuppc /usr/share/BackupPC/bin/BackupPC_serverMesg status
hosts | sed -ne 's/.*("\([^"]*\)" => {[^}]*"lastGoodBackupTime" =>
"\([0-9]*\)".*/\1 \2/pg'); while [ "$1" ]; do if [ $[$(date +%s) - $2] -gt
77760 ]; then echo "$1 needs backup"; fi; shift; shift; done)
Seems to work on my setup but I haven't tested it too much...
It will break if there are white spaces in the host name though I'm
not sure that actually happens in real life -- if it does you can
always use IFS tricks like:
(IFS=$'\n'; set -- $(sudo -u backuppc
/usr/share/BackupPC/bin/BackupPC_serverMesgstatus hosts | sed -ne
's/.*("\([^"]*\)" => {[^}]*"lastGoodBackupTime" => "\([0-9]*\)".*/\1\n\2/pg');
while [ "$1" ]; do if [ $[$(date +%s) - $2] -gt 77760 ]; then echo "$1 needs
backup"; fi; shift; shift; done)
This will only fail if there is a newline in the hostname which I
imagine should never happen.
Hope that helps
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