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tboccali |
1.1 |
#!/bin/tcsh
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#
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# so: try and have files lasting at least $retention_time;
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#
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#
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# dquota is the quota of the area
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# minfree must be the minimum free area to complete current operations
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#
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# if disk used more than $maxdisk, delete the oldest ones respecting the previous requirement
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# if disk used more than $maxdisk, delete the oldest ones without respecting the previous requirement, but then send a WARNING
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malgeri |
1.6 |
if ($#argv != 1) then
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echo "Usage: $0 <directory>"
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exit 1
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endif
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tboccali |
1.1 |
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set verb=1
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tboccali |
1.5 |
set AREA=$1
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tboccali |
1.1 |
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#
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# in hours
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#
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tboccali |
1.7 |
set retention_time=20
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tboccali |
1.1 |
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#
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# disk quota (in kB)
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#
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# this is 5 GB
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tboccali |
1.2 |
set dquota=10000000
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tboccali |
1.1 |
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#
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# minfree (in kB)
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#
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# this is 1 GB
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tboccali |
1.7 |
set minfree=6000000
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tboccali |
1.1 |
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@ maxdisk= $dquota - $minfree
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if ($verb) then
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echo Setting maxdisk to $maxdisk
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endif
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#
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# get disk used
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#
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cd $AREA
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set used=`du -s |awk '{print $1}'`
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if ($verb) then
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echo Used disk is $used
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endif
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if ($used < $maxdisk) then
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#
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# nothing to do
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#
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if ($verb) then
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echo Exit with code 0
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endif
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exit 0
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endif
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# first test - see if you can clean applying retention time
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if ($used > $maxdisk) then
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if ($verb) then
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echo Running tmpwatch
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endif
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/usr/sbin/tmpwatch --verbose -d --atime $retention_time .
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endif
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#
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# now look whether situation is good
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#
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set newused=`du -s |awk '{print $1}'`
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if ($verb) then
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echo Now used is $newused
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endif
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if ($newused < $maxdisk) then
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#
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# I am happy, I bail out
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# exit 2 = i had to delete, but just stuff I could delete
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exit 2
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endif
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#
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# else, delete files in order of age, one by one
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#
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while ($newused > $maxdisk)
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#
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# find the oldest file
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tboccali |
1.3 |
set file=`ls -t1 *root|tail -1`
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tboccali |
1.1 |
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if ($verb) then
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echo Deleting $file
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endif
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rm -f $file
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#calculate new disk free
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set newused=`du -s |awk '{print $1}'`
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if ($verb) then
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echo Now free is $newused
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endif
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#
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end
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#exit three means I had to delete stuff not expired
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exit 3
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#
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