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Make check_disk_space() use bytes (given new size type options with are converted to bytes, 1k=>1024).

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This commit is contained in:
Daniel Nichter
2012-01-26 12:19:47 -07:00
parent 81caf6addc
commit d7d5381863
2 changed files with 57 additions and 35 deletions
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35
t/lib/bash/safeguards.sh
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@@ -18,36 +18,51 @@ is \
"2" \
"2-line df output"
check_disk_space "$SAMPLE/diskspace001.txt" 22000 18 >$TMPDIR/out 2>&1
# Filesystem 1024-blocks Used Available Capacity Mounted on
# /dev/disk0s2 118153176 94409664 23487512 81% /
#
# Those values are in Kb, so:
# used = 94409664 (94.4G) = 96_675_495_936 bytes
# free = 23487512 (23.4G) = 24_051_212_288 bytes
# pct free = 100 - 81 = 19 %
# want free - 100, 18 < 19, so this should be ok.
check_disk_space "$SAMPLE/diskspace001.txt" 24051212188 18 >$TMPDIR/out 2>&1
is "$?" "0" "Enough disk space"
is \
"`cat $TMPDIR/out`" \
"" \
"No output if enough disk space"
check_disk_space "$SAMPLE/diskspace001.txt" 24000 18 >$TMPDIR/out 2>&1
# want free - 100 is ok, but 20 < 19 is not.
check_disk_space "$SAMPLE/diskspace001.txt" 24051212188 20 >$TMPDIR/out 2>&1
is "$?" "1" "Not enough % free"
# want free + 100, so this should fail
# (real free is 100 bytes under what we want)
check_disk_space "$SAMPLE/diskspace001.txt" 24051212388 18 >$TMPDIR/out 2>&1
is "$?" "1" "Not enough MB free"
cmd_ok \
"grep -q '19% free, 23487512 KB free; wanted more than 18% free or 24576000 KB free' $TMPDIR/out" \
"grep -q 'Actual: 19% free, 24051212288 bytes free (- 0 bytes margin)' $TMPDIR/out" \
"Warning if not enough disk space"
check_disk_space "$SAMPLE/diskspace001.txt" 22000 19 >$TMPDIR/out 2>&1
is "$?" "1" "Not enough % free"
# ###########################################################################
# Check with a margin (amount we plan to use in the future).
# ###########################################################################
check_disk_space "$SAMPLE/diskspace001.txt" 22000 18 100
# want free - 100 + 50 margin, so effectively want free - 50 is ok.
check_disk_space "$SAMPLE/diskspace001.txt" 24051212188 18 50
is "$?" "0" "Enough disk space with margin"
check_disk_space "$SAMPLE/diskspace001.txt" 23000 18 100 >$TMPDIR/out 2>&1
# want free - 100 + 101 margin, so real free is 1 byte under what we want.
check_disk_space "$SAMPLE/diskspace001.txt" 24051212188 18 101 >$TMPDIR/out 2>&1
is "$?" "1" "Not enough MB free with margin"
check_disk_space "$SAMPLE/diskspace001.txt" 100 5 20000 >$TMPDIR/out 2>&1
# want free - 100 + 50 margin ok but %free will be 19 which is < 25.
check_disk_space "$SAMPLE/diskspace001.txt" 24051212188 25 50 >$TMPDIR/out 2>&1
is "$?" "1" "Not enough % free with margin"
cmd_ok \
"grep -q '3% free,' $TMPDIR/out" \
"grep -q 'Actual:[ ]*19% free,' $TMPDIR/out" \
"Calculates % free with margin"
# ###########################################################################