** Also affects: backuppc (Ubuntu Xenial)
Importance: Undecided
Status: New
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1612600
Title:
backuppc 3.3.1-2ubuntu3 breaks pool graphs on the Status page
Status in backuppc package in Ubuntu:
Fix Released
Status in backuppc source package in Xenial:
New
Bug description:
Upgraded system from 14.04 LTS to 16.04.1 LTS.
As a result, the rrd pool size graphs stopped displaying, instead
showing "default image" icons.
Investigation has shown that this is due to the permissions conflict.
Whatever user executes backuppc/index.cgi cannot run /usr/bin/rrdtool.
The fix is as per
https://sourceforge.net/p/backuppc/mailman/message/18724263/.
Namely, here's a relevant code snapshot in
/usr/share/backuppc/lib/BackupPC/CGI/GeneralInfo.pm:
$In{image} =~ /([0-9]+)/;
my $weeks = $1;
my $real = $<;# NEW
$< = $>; # NEW
print "Content-type: image/png\n\n";
print `/usr/bin/rrdtool graph - --imgformat=PNG --start=end-${weeks}w
--end=-300 --title="BackupPC Pool Size (${weeks} weeks)" --base=1000
--height=100 --width=600 --alt-autoscale-max --lower-limit=0
--vertical-label="" --slope-mode --font TITLE:10:Times --font AXIS:8:Times
--font LEGEND:8:Times --font UNIT:8:Times -c BACK#FFFFFF
DEF:ao="$LogDir/pool.rrd":ckb:AVERAGE CDEF:a=ao,1024,* AREA:a#95B8DB:"CPool in
bytes" GPRINT:a:LAST:"Current\\:%8.2lf %s" GPRINT:a:AVERAGE:"Average\\:%8.2lf
%s" GPRINT:a:MAX:"Maximum\\:%8.2lf %s\\n"`;
$< = $real; # NEW
return;
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