ceph/qa/workunits/rados/test_crushdiff.sh

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#!/usr/bin/env bash
set -ex
REP_POOL=
EC_POOL=
TEMPDIR=
OSD_NUM=$(ceph osd ls | wc -l)
test ${OSD_NUM} -gt 0
setup() {
local pool
TEMPDIR=`mktemp -d`
pool=test-crushdiff-rep-$$
ceph osd pool create ${pool} 32
REP_POOL=${pool}
rados -p ${REP_POOL} bench 5 write --no-cleanup
if [ ${OSD_NUM} -gt 3 ]; then
pool=test-crushdiff-ec-$$
ceph osd pool create ${pool} 32 32 erasure
EC_POOL=${pool}
rados -p ${EC_POOL} bench 5 write --no-cleanup
fi
}
cleanup() {
set +e
test -n "${EC_POOL}" &&
ceph osd pool delete "${EC_POOL}" "${EC_POOL}" \
--yes-i-really-really-mean-it
EC_POOL=
test -n "${REP_POOL}" &&
ceph osd pool delete "${REP_POOL}" "${REP_POOL}" \
--yes-i-really-really-mean-it
REP_POOL=
test -n "${TEMPDIR}" && rm -Rf ${TEMPDIR}
TEMPDIR=
}
trap "cleanup" INT TERM EXIT
setup
# test without crushmap modification
crushdiff export ${TEMPDIR}/cm.txt --verbose
crushdiff compare ${TEMPDIR}/cm.txt --verbose
crushdiff import ${TEMPDIR}/cm.txt --verbose
# test using a compiled crushmap
crushdiff export ${TEMPDIR}/cm --compiled --verbose
crushdiff compare ${TEMPDIR}/cm --compiled --verbose
crushdiff import ${TEMPDIR}/cm --compiled --verbose
# test using "offline" osdmap and pg-dump
ceph osd getmap -o ${TEMPDIR}/osdmap
ceph pg dump --format json > ${TEMPDIR}/pg-dump
crushdiff export ${TEMPDIR}/cm.txt --osdmap ${TEMPDIR}/osdmap --verbose
crushdiff compare ${TEMPDIR}/cm.txt --osdmap ${TEMPDIR}/osdmap \
--pg-dump ${TEMPDIR}/pg-dump --verbose | tee ${TEMPDIR}/compare.txt
# test the diff is zero when the crushmap is not modified
grep '^0/[0-9]* (0\.00%) pgs affected' ${TEMPDIR}/compare.txt
grep '^0/[0-9]* (0\.00%) objects affected' ${TEMPDIR}/compare.txt
grep '^0/[0-9]* (0\.00%) pg shards to move' ${TEMPDIR}/compare.txt
grep '^0/[0-9]* (0\.00%) pg object shards to move' ${TEMPDIR}/compare.txt
grep '^0\.00/.* (0\.00%) bytes to move' ${TEMPDIR}/compare.txt
crushdiff import ${TEMPDIR}/cm.txt --osdmap ${TEMPDIR}/osdmap --verbose
if [ ${OSD_NUM} -gt 3 ]; then
# test the diff is non-zero when the crushmap is modified
cat ${TEMPDIR}/cm.txt >&2
weight=$(awk '/item osd\.0 weight ([0-9.]+)/ {print $4 * 3}' \
${TEMPDIR}/cm.txt)
test -n "${weight}"
sed -i -Ee 's/^(.*item osd\.0 weight )[0-9.]+/\1'${weight}'/' \
${TEMPDIR}/cm.txt
crushdiff compare ${TEMPDIR}/cm.txt --osdmap ${TEMPDIR}/osdmap \
--pg-dump ${TEMPDIR}/pg-dump --verbose | tee ${TEMPDIR}/compare.txt
grep '^[1-9][0-9]*/[0-9]* (.*%) pgs affected' ${TEMPDIR}/compare.txt
grep '^[1-9][0-9]*/[0-9]* (.*%) objects affected' ${TEMPDIR}/compare.txt
grep '^[1-9][0-9]*/[0-9]* (.*%) pg shards to move' ${TEMPDIR}/compare.txt
grep '^[1-9][0-9]*/[0-9]* (.*%) pg object shards to move' \
${TEMPDIR}/compare.txt
grep '^.*/.* (.*%) bytes to move' ${TEMPDIR}/compare.txt
crushdiff import ${TEMPDIR}/cm.txt --osdmap ${TEMPDIR}/osdmap --verbose
fi
echo OK