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unittests: fail early when low on disk

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Scripts from qa that are run as unittests via test/vstart_wrapper.sh may
fail because the partition on which it runs is low on space ( 95% full
). When it happens the cause of the problem may be unclear because it
is likely to show only as a client not being able to reach the mon.

A test is added in test/vstart_wrapper.sh to verify the disk space usage
using the same method as the mon would and fail with a detailed error if
it is the case.

Signed-off-by: Loic Dachary <loic@dachary.org>
This commit is contained in:
Loic Dachary 2014-01-26 13:32:57 +01:00
parent 97edd2fcad
commit c06eca2448
1 changed files with 17 additions and 3 deletions
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20
src/test/vstart_wrapper.sh
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@ -25,20 +25,34 @@ function vstart_setup()
mkdir -p dev
trap "vstart_teardown ; rm -f $TMPFILE" EXIT
export LC_ALL=C # some tests are vulnerable to i18n
MON=1 OSD=3 ./vstart.sh -n -X -l mon osd
MON=1 OSD=3 ./vstart.sh -n -X -l mon osd || return 1
export PATH=.:$PATH
export CEPH_CONF=ceph.conf
crit=$(expr 100 - $(ceph-conf --show-config-value mon_data_avail_crit))
if [ $(df . | perl -ne 'print if(s/.*\s(\d+)%.*/\1/)') -ge $crit ] ; then
df .
cat <<EOF
error: not enough free disk space for mon to run
The mon will shutdown with a message such as
"reached critical levels of available space on local monitor storage -- shutdown!"
as soon as it finds the disk has is more than ${crit}% full.
This is a limit determined by
ceph-conf --show-config-value mon_data_avail_crit
EOF
return 1
fi
}
function main()
{
if [[ $(pwd) =~ /src$ ]] && [ -d .libs ] && [ -d pybind ] ; then
vstart_setup
vstart_setup || return 1
else
trap "rm -f $TMPFILE" EXIT
fi
"$@"
"$@" || return 1
}
main "$@"