On Thu, 05 Mar 2009 21:49:41 +0100, Kevin Keane <subscription AT kkeane DOT 
com>  
wrote:

> Funny you say that. Yes, your version is shorted and will work. I
> actually used to have it that way.
>
> The reason I changed to the longer version is that now the schedule file
> is generated by a script, it's basically a simple for loop that
> generates it. One thing this lets me do is easily generate different
> scheduled so that the full backups are staggered for different clients,
> and the differentials always happen 7 days after the fulls.

Hehe, I think lots of people reinvent that wheel, I also wrote a little  
bash oneliner to stagger schedules over days/weeks:

i=0; for srv in $(cat /tmp/servers.txt); do let i++; let j=(i-1)/7+1; let  
k=($j-1)*7; let dayno=$i-$k; let p=($j-1)/4; let q=$p*4; let weekno=$j-$q;  
let tmp=8-$dayno; mainday=$(date +%a --date="$tmp day ago" | sed -r  
's/(.*)/\L\1\E/'); let tmp=7-$dayno; firstday=$(date +%a --date="$tmp day  
ago" | sed -r 's/(.*)/\L\1\E/'); let tmp=9-$dayno; lastday=$(date +%a  
--date="$tmp day ago" | sed -r 's/(.*)/\L\1\E/'); case $weekno in 1)  
fullweek="1st"; diffweek="2nd-5th";; 2) fullweek="2nd";  
diffweek="3rd-1st";; 3) fullweek="3rd"; diffweek="4th-2nd";; 4)  
fullweek="4th"; diffweek="5th-3rd";; esac; sed -i "s+HOSTNAME+$srv+;s+Full  
1st fri+Full $fullweek $mainday+;s+2nd-5th fri+$diffweek  
$mainday+;s+sat-thu+$firstday-$lastday+" schedules/$srv.schedule; done

/tmp/servers.txt has a hostname on each line, and I include schedules  
using the @/etc/bacula/schedules/hostname.schedule format in  
bacula-dir.conf. The above expects existing dummy schedule files  
containing 'HOSTNAME', 'Full 1st fri' etc. strings, see the sed stuff,  
this can be created easily with another for loop copying a sample file.


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