ceph/qa/standalone/scrub/osd-scrub-test.sh
Samuel Just d8be43e39a qa/.../osd-scrub-test.sh: don't use /etc/fstab to corrupt the data
Generally, it's more portable not to rely on specific system files to be
readable.  Specifically, container environments may not have an fstab.
Instead, just generate another random file.

Signed-off-by: Samuel Just <sjust@redhat.com>
2023-02-22 16:27:47 -08:00

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Executable File

#!/usr/bin/env bash
#
# Copyright (C) 2018 Red Hat <contact@redhat.com>
#
# Author: David Zafman <dzafman@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library Public License for more details.
#
source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
source $CEPH_ROOT/qa/standalone/scrub/scrub-helpers.sh
function run() {
local dir=$1
shift
export CEPH_MON="127.0.0.1:7138" # git grep '\<7138\>' : there must be only one
export CEPH_ARGS
CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
CEPH_ARGS+="--mon-host=$CEPH_MON "
export -n CEPH_CLI_TEST_DUP_COMMAND
local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
for func in $funcs ; do
echo "-------------- Prepare Test $func -------------------"
setup $dir || return 1
echo "-------------- Run Test $func -----------------------"
$func $dir || return 1
echo "-------------- Teardown Test $func ------------------"
teardown $dir || return 1
echo "-------------- Complete Test $func ------------------"
done
}
function TEST_scrub_test() {
local dir=$1
local poolname=test
local OSDS=3
local objects=15
TESTDATA="testdata.$$"
run_mon $dir a --osd_pool_default_size=3 || return 1
run_mgr $dir x || return 1
for osd in $(seq 0 $(expr $OSDS - 1))
do
run_osd $dir $osd || return 1
done
# Create a pool with a single pg
create_pool $poolname 1 1
wait_for_clean || return 1
poolid=$(ceph osd dump | grep "^pool.*[']${poolname}[']" | awk '{ print $2 }')
dd if=/dev/urandom of=$TESTDATA bs=1032 count=1
for i in `seq 1 $objects`
do
rados -p $poolname put obj${i} $TESTDATA
done
rm -f $TESTDATA
local primary=$(get_primary $poolname obj1)
local otherosd=$(get_not_primary $poolname obj1)
if [ "$otherosd" = "2" ];
then
local anotherosd="0"
else
local anotherosd="2"
fi
CORRUPT_DATA="corrupt-data.$$"
dd if=/dev/urandom of=$CORRUPT_DATA bs=512 count=1
objectstore_tool $dir $anotherosd obj1 set-bytes $CORRUPT_DATA
rm -f $CORRUPT_DATA
local pgid="${poolid}.0"
pg_deep_scrub "$pgid" || return 1
ceph pg dump pgs | grep ^${pgid} | grep -q -- +inconsistent || return 1
test "$(ceph pg $pgid query | jq '.info.stats.stat_sum.num_scrub_errors')" = "2" || return 1
ceph osd out $primary
wait_for_clean || return 1
pg_deep_scrub "$pgid" || return 1
test "$(ceph pg $pgid query | jq '.info.stats.stat_sum.num_scrub_errors')" = "2" || return 1
test "$(ceph pg $pgid query | jq '.peer_info[0].stats.stat_sum.num_scrub_errors')" = "2" || return 1
ceph pg dump pgs | grep ^${pgid} | grep -q -- +inconsistent || return 1
ceph osd in $primary
wait_for_clean || return 1
repair "$pgid" || return 1
wait_for_clean || return 1
# This sets up the test after we've repaired with previous primary has old value
test "$(ceph pg $pgid query | jq '.peer_info[0].stats.stat_sum.num_scrub_errors')" = "2" || return 1
ceph pg dump pgs | grep ^${pgid} | grep -vq -- +inconsistent || return 1
ceph osd out $primary
wait_for_clean || return 1
test "$(ceph pg $pgid query | jq '.info.stats.stat_sum.num_scrub_errors')" = "0" || return 1
test "$(ceph pg $pgid query | jq '.peer_info[0].stats.stat_sum.num_scrub_errors')" = "0" || return 1
test "$(ceph pg $pgid query | jq '.peer_info[1].stats.stat_sum.num_scrub_errors')" = "0" || return 1
ceph pg dump pgs | grep ^${pgid} | grep -vq -- +inconsistent || return 1
}
# Grab year-month-day
DATESED="s/\([0-9]*-[0-9]*-[0-9]*\).*/\1/"
DATEFORMAT="%Y-%m-%d"
function check_dump_scrubs() {
local primary=$1
local sched_time_check="$2"
local deadline_check="$3"
DS="$(CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${primary}) dump_scrubs)"
# use eval to drop double-quotes
eval SCHED_TIME=$(echo $DS | jq '.[0].sched_time')
test $(echo $SCHED_TIME | sed $DATESED) = $(date +${DATEFORMAT} -d "now + $sched_time_check") || return 1
# use eval to drop double-quotes
eval DEADLINE=$(echo $DS | jq '.[0].deadline')
test $(echo $DEADLINE | sed $DATESED) = $(date +${DATEFORMAT} -d "now + $deadline_check") || return 1
}
function TEST_interval_changes() {
local poolname=test
local OSDS=2
local objects=10
# Don't assume how internal defaults are set
local day="$(expr 24 \* 60 \* 60)"
local week="$(expr $day \* 7)"
local min_interval=$day
local max_interval=$week
local WAIT_FOR_UPDATE=15
TESTDATA="testdata.$$"
# This min scrub interval results in 30 seconds backoff time
run_mon $dir a --osd_pool_default_size=$OSDS || return 1
run_mgr $dir x || return 1
for osd in $(seq 0 $(expr $OSDS - 1))
do
run_osd $dir $osd --osd_scrub_min_interval=$min_interval --osd_scrub_max_interval=$max_interval --osd_scrub_interval_randomize_ratio=0 || return 1
done
# Create a pool with a single pg
create_pool $poolname 1 1
wait_for_clean || return 1
local poolid=$(ceph osd dump | grep "^pool.*[']${poolname}[']" | awk '{ print $2 }')
dd if=/dev/urandom of=$TESTDATA bs=1032 count=1
for i in `seq 1 $objects`
do
rados -p $poolname put obj${i} $TESTDATA
done
rm -f $TESTDATA
local primary=$(get_primary $poolname obj1)
# Check initial settings from above (min 1 day, min 1 week)
check_dump_scrubs $primary "1 day" "1 week" || return 1
# Change global osd_scrub_min_interval to 2 days
CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${primary}) config set osd_scrub_min_interval $(expr $day \* 2)
sleep $WAIT_FOR_UPDATE
check_dump_scrubs $primary "2 days" "1 week" || return 1
# Change global osd_scrub_max_interval to 2 weeks
CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${primary}) config set osd_scrub_max_interval $(expr $week \* 2)
sleep $WAIT_FOR_UPDATE
check_dump_scrubs $primary "2 days" "2 week" || return 1
# Change pool osd_scrub_min_interval to 3 days
ceph osd pool set $poolname scrub_min_interval $(expr $day \* 3)
sleep $WAIT_FOR_UPDATE
check_dump_scrubs $primary "3 days" "2 week" || return 1
# Change pool osd_scrub_max_interval to 3 weeks
ceph osd pool set $poolname scrub_max_interval $(expr $week \* 3)
sleep $WAIT_FOR_UPDATE
check_dump_scrubs $primary "3 days" "3 week" || return 1
}
function TEST_scrub_extended_sleep() {
local dir=$1
local poolname=test
local OSDS=3
local objects=15
TESTDATA="testdata.$$"
DAY=$(date +%w)
# Handle wrap
if [ "$DAY" -ge "4" ];
then
DAY="0"
fi
# Start after 2 days in case we are near midnight
DAY_START=$(expr $DAY + 2)
DAY_END=$(expr $DAY + 3)
run_mon $dir a --osd_pool_default_size=3 || return 1
run_mgr $dir x || return 1
for osd in $(seq 0 $(expr $OSDS - 1))
do
run_osd $dir $osd --osd_scrub_sleep=0 \
--osd_scrub_extended_sleep=20 \
--bluestore_cache_autotune=false \
--osd_deep_scrub_randomize_ratio=0.0 \
--osd_scrub_interval_randomize_ratio=0 \
--osd_scrub_begin_week_day=$DAY_START \
--osd_scrub_end_week_day=$DAY_END \
|| return 1
done
# Create a pool with a single pg
create_pool $poolname 1 1
wait_for_clean || return 1
# Trigger a scrub on a PG
local pgid=$(get_pg $poolname SOMETHING)
local primary=$(get_primary $poolname SOMETHING)
local last_scrub=$(get_last_scrub_stamp $pgid)
ceph tell $pgid scrub || return 1
# Allow scrub to start extended sleep
PASSED="false"
for ((i=0; i < 15; i++)); do
if grep -q "scrub state.*, sleeping" $dir/osd.${primary}.log
then
PASSED="true"
break
fi
sleep 1
done
# Check that extended sleep was triggered
if [ $PASSED = "false" ];
then
return 1
fi
# release scrub to run after extended sleep finishes
ceph tell osd.$primary config set osd_scrub_begin_week_day 0
ceph tell osd.$primary config set osd_scrub_end_week_day 0
# Due to extended sleep, the scrub should not be done within 20 seconds
# but test up to 10 seconds and make sure it happens by 25 seconds.
count=0
PASSED="false"
for ((i=0; i < 25; i++)); do
count=$(expr $count + 1)
if test "$(get_last_scrub_stamp $pgid)" '>' "$last_scrub" ; then
# Did scrub run too soon?
if [ $count -lt "10" ];
then
return 1
fi
PASSED="true"
break
fi
sleep 1
done
# Make sure scrub eventually ran
if [ $PASSED = "false" ];
then
return 1
fi
}
function _scrub_abort() {
local dir=$1
local poolname=test
local OSDS=3
local objects=1000
local type=$2
TESTDATA="testdata.$$"
if test $type = "scrub";
then
stopscrub="noscrub"
check="noscrub"
else
stopscrub="nodeep-scrub"
check="nodeep_scrub"
fi
run_mon $dir a --osd_pool_default_size=3 || return 1
run_mgr $dir x || return 1
for osd in $(seq 0 $(expr $OSDS - 1))
do
# Set scheduler to "wpq" until there's a reliable way to query scrub
# states with "--osd-scrub-sleep" set to 0. The "mclock_scheduler"
# overrides the scrub sleep to 0 and as a result the checks in the
# test fail.
run_osd $dir $osd --osd_pool_default_pg_autoscale_mode=off \
--osd_deep_scrub_randomize_ratio=0.0 \
--osd_scrub_sleep=5.0 \
--osd_scrub_interval_randomize_ratio=0 \
--osd_op_queue=wpq || return 1
done
# Create a pool with a single pg
create_pool $poolname 1 1
wait_for_clean || return 1
poolid=$(ceph osd dump | grep "^pool.*[']${poolname}[']" | awk '{ print $2 }')
dd if=/dev/urandom of=$TESTDATA bs=1032 count=1
for i in `seq 1 $objects`
do
rados -p $poolname put obj${i} $TESTDATA
done
rm -f $TESTDATA
local primary=$(get_primary $poolname obj1)
local pgid="${poolid}.0"
ceph tell $pgid $type || return 1
# deep-scrub won't start without scrub noticing
if [ "$type" = "deep_scrub" ];
then
ceph tell $pgid scrub || return 1
fi
# Wait for scrubbing to start
set -o pipefail
found="no"
for i in $(seq 0 200)
do
flush_pg_stats
if ceph pg dump pgs | grep ^$pgid| grep -q "scrubbing"
then
found="yes"
#ceph pg dump pgs
break
fi
done
set +o pipefail
if test $found = "no";
then
echo "Scrubbing never started"
return 1
fi
ceph osd set $stopscrub
if [ "$type" = "deep_scrub" ];
then
ceph osd set noscrub
fi
# Wait for scrubbing to end
set -o pipefail
for i in $(seq 0 200)
do
flush_pg_stats
if ceph pg dump pgs | grep ^$pgid | grep -q "scrubbing"
then
continue
fi
#ceph pg dump pgs
break
done
set +o pipefail
sleep 5
if ! grep "$check set, aborting" $dir/osd.${primary}.log
then
echo "Abort not seen in log"
return 1
fi
local last_scrub=$(get_last_scrub_stamp $pgid)
ceph config set osd "osd_scrub_sleep" "0.1"
ceph osd unset $stopscrub
if [ "$type" = "deep_scrub" ];
then
ceph osd unset noscrub
fi
TIMEOUT=$(($objects / 2))
wait_for_scrub $pgid "$last_scrub" || return 1
}
function TEST_scrub_abort() {
local dir=$1
_scrub_abort $dir scrub
}
function TEST_deep_scrub_abort() {
local dir=$1
_scrub_abort $dir deep_scrub
}
function TEST_scrub_permit_time() {
local dir=$1
local poolname=test
local OSDS=3
local objects=15
TESTDATA="testdata.$$"
run_mon $dir a --osd_pool_default_size=3 || return 1
run_mgr $dir x || return 1
local scrub_begin_hour=$(date -d '2 hour ago' +"%H" | sed 's/^0//')
local scrub_end_hour=$(date -d '1 hour ago' +"%H" | sed 's/^0//')
for osd in $(seq 0 $(expr $OSDS - 1))
do
run_osd $dir $osd --bluestore_cache_autotune=false \
--osd_deep_scrub_randomize_ratio=0.0 \
--osd_scrub_interval_randomize_ratio=0 \
--osd_scrub_begin_hour=$scrub_begin_hour \
--osd_scrub_end_hour=$scrub_end_hour || return 1
done
# Create a pool with a single pg
create_pool $poolname 1 1
wait_for_clean || return 1
# Trigger a scrub on a PG
local pgid=$(get_pg $poolname SOMETHING)
local primary=$(get_primary $poolname SOMETHING)
local last_scrub=$(get_last_scrub_stamp $pgid)
# If we don't specify an amount of time to subtract from
# current time to set last_scrub_stamp, it sets the deadline
# back by osd_max_interval which would cause the time permit checking
# to be skipped. Set back 1 day, the default scrub_min_interval.
ceph tell $pgid scrub $(( 24 * 60 * 60 )) || return 1
# Scrub should not run
for ((i=0; i < 30; i++)); do
if test "$(get_last_scrub_stamp $pgid)" '>' "$last_scrub" ; then
return 1
fi
sleep 1
done
}
# a test to recreate the problem described in bug #52901 - setting 'noscrub'
# without explicitly preventing deep scrubs made the PG 'unscrubable'.
# Fixed by PR#43521
function TEST_just_deep_scrubs() {
local dir=$1
local -A cluster_conf=(
['osds_num']="3"
['pgs_in_pool']="4"
['pool_name']="test"
)
standard_scrub_cluster $dir cluster_conf
local poolid=${cluster_conf['pool_id']}
local poolname=${cluster_conf['pool_name']}
echo "Pool: $poolname : $poolid"
TESTDATA="testdata.$$"
local objects=15
dd if=/dev/urandom of=$TESTDATA bs=1032 count=1
for i in `seq 1 $objects`
do
rados -p $poolname put obj${i} $TESTDATA
done
rm -f $TESTDATA
# set both 'no scrub' & 'no deep-scrub', then request a deep-scrub.
# we do not expect to see the scrub scheduled.
ceph osd set noscrub || return 1
ceph osd set nodeep-scrub || return 1
sleep 6 # the 'noscrub' command takes a long time to reach the OSDs
local now_is=`date -I"ns"`
declare -A sched_data
local pgid="${poolid}.2"
# turn on the publishing of test data in the 'scrubber' section of 'pg query' output
set_query_debug $pgid
extract_published_sch $pgid $now_is $now_is sched_data
local saved_last_stamp=${sched_data['query_last_stamp']}
local dbg_counter_at_start=${sched_data['query_scrub_seq']}
echo "test counter @ start: $dbg_counter_at_start"
ceph pg $pgid deep_scrub
sleep 5 # 5s is the 'pg dump' interval
declare -A sc_data_2
extract_published_sch $pgid $now_is $now_is sc_data_2
echo "test counter @ should show no change: " ${sc_data_2['query_scrub_seq']}
(( ${sc_data_2['dmp_last_duration']} == 0)) || return 1
(( ${sc_data_2['query_scrub_seq']} == $dbg_counter_at_start)) || return 1
# unset the 'no deep-scrub'. Deep scrubbing should start now.
ceph osd unset nodeep-scrub || return 1
sleep 5
declare -A expct_qry_duration=( ['query_last_duration']="0" ['query_last_duration_neg']="not0" )
sc_data_2=()
echo "test counter @ should be higher than before the unset: " ${sc_data_2['query_scrub_seq']}
wait_any_cond $pgid 10 $saved_last_stamp expct_qry_duration "WaitingAfterScrub " sc_data_2 || return 1
}
function TEST_dump_scrub_schedule() {
local dir=$1
local poolname=test
local OSDS=3
local objects=15
TESTDATA="testdata.$$"
run_mon $dir a --osd_pool_default_size=$OSDS || return 1
run_mgr $dir x || return 1
# Set scheduler to "wpq" until there's a reliable way to query scrub states
# with "--osd-scrub-sleep" set to 0. The "mclock_scheduler" overrides the
# scrub sleep to 0 and as a result the checks in the test fail.
local ceph_osd_args="--osd_deep_scrub_randomize_ratio=0 \
--osd_scrub_interval_randomize_ratio=0 \
--osd_scrub_backoff_ratio=0.0 \
--osd_op_queue=wpq \
--osd_scrub_sleep=0.2"
for osd in $(seq 0 $(expr $OSDS - 1))
do
run_osd $dir $osd $ceph_osd_args|| return 1
done
# Create a pool with a single pg
create_pool $poolname 1 1
wait_for_clean || return 1
poolid=$(ceph osd dump | grep "^pool.*[']${poolname}[']" | awk '{ print $2 }')
dd if=/dev/urandom of=$TESTDATA bs=1032 count=1
for i in `seq 1 $objects`
do
rados -p $poolname put obj${i} $TESTDATA
done
rm -f $TESTDATA
local pgid="${poolid}.0"
local now_is=`date -I"ns"`
# before the scrubbing starts
# last scrub duration should be 0. The scheduling data should show
# a time in the future:
# e.g. 'periodic scrub scheduled @ 2021-10-12T20:32:43.645168+0000'
declare -A expct_starting=( ['query_active']="false" ['query_is_future']="true" ['query_schedule']="scrub scheduled" )
declare -A sched_data
extract_published_sch $pgid $now_is "2019-10-12T20:32:43.645168+0000" sched_data
schedule_against_expected sched_data expct_starting "initial"
(( ${sched_data['dmp_last_duration']} == 0)) || return 1
echo "last-scrub --- " ${sched_data['query_last_scrub']}
#
# step 1: scrub once (mainly to ensure there is no urgency to scrub)
#
saved_last_stamp=${sched_data['query_last_stamp']}
ceph tell osd.* config set osd_scrub_sleep "0"
ceph pg deep-scrub $pgid
ceph pg scrub $pgid
# wait for the 'last duration' entries to change. Note that the 'dump' one will need
# up to 5 seconds to sync
sleep 5
sched_data=()
declare -A expct_qry_duration=( ['query_last_duration']="0" ['query_last_duration_neg']="not0" )
wait_any_cond $pgid 10 $saved_last_stamp expct_qry_duration "WaitingAfterScrub " sched_data || return 1
# verify that 'pg dump' also shows the change in last_scrub_duration
sched_data=()
declare -A expct_dmp_duration=( ['dmp_last_duration']="0" ['dmp_last_duration_neg']="not0" )
wait_any_cond $pgid 10 $saved_last_stamp expct_dmp_duration "WaitingAfterScrub_dmp " sched_data || return 1
sleep 2
#
# step 2: set noscrub and request a "periodic scrub". Watch for the change in the 'is the scrub
# scheduled for the future' value
#
ceph tell osd.* config set osd_scrub_chunk_max "3" || return 1
ceph tell osd.* config set osd_scrub_sleep "1.0" || return 1
ceph osd set noscrub || return 1
sleep 2
saved_last_stamp=${sched_data['query_last_stamp']}
ceph pg $pgid scrub
sleep 1
sched_data=()
declare -A expct_scrub_peri_sched=( ['query_is_future']="false" )
wait_any_cond $pgid 10 $saved_last_stamp expct_scrub_peri_sched "waitingBeingScheduled" sched_data || return 1
# note: the induced change in 'last_scrub_stamp' that we've caused above, is by itself not a publish-stats
# trigger. Thus it might happen that the information in 'pg dump' will not get updated here. Do not expect
# 'dmp_is_future' to follow 'query_is_future' without a good reason
## declare -A expct_scrub_peri_sched_dmp=( ['dmp_is_future']="false" )
## wait_any_cond $pgid 15 $saved_last_stamp expct_scrub_peri_sched_dmp "waitingBeingScheduled" sched_data || echo "must be fixed"
#
# step 3: allow scrubs. Watch for the conditions during the scrubbing
#
saved_last_stamp=${sched_data['query_last_stamp']}
ceph osd unset noscrub
declare -A cond_active=( ['query_active']="true" )
sched_data=()
wait_any_cond $pgid 10 $saved_last_stamp cond_active "WaitingActive " sched_data || return 1
# check for pg-dump to show being active. But if we see 'query_active' being reset - we've just
# missed it.
declare -A cond_active_dmp=( ['dmp_state_has_scrubbing']="true" ['query_active']="false" )
sched_data=()
wait_any_cond $pgid 10 $saved_last_stamp cond_active_dmp "WaitingActive " sched_data || return 1
}
function TEST_pg_dump_objects_scrubbed() {
local dir=$1
local poolname=test
local OSDS=3
local objects=15
local timeout=10
TESTDATA="testdata.$$"
setup $dir || return 1
run_mon $dir a --osd_pool_default_size=$OSDS || return 1
run_mgr $dir x || return 1
for osd in $(seq 0 $(expr $OSDS - 1))
do
run_osd $dir $osd || return 1
done
# Create a pool with a single pg
create_pool $poolname 1 1
wait_for_clean || return 1
poolid=$(ceph osd dump | grep "^pool.*[']${poolname}[']" | awk '{ print $2 }')
dd if=/dev/urandom of=$TESTDATA bs=1032 count=1
for i in `seq 1 $objects`
do
rados -p $poolname put obj${i} $TESTDATA
done
rm -f $TESTDATA
local pgid="${poolid}.0"
#Trigger a scrub on a PG
pg_scrub $pgid || return 1
test "$(ceph pg $pgid query | jq '.info.stats.objects_scrubbed')" '=' $objects || return 1
teardown $dir || return 1
}
main osd-scrub-test "$@"
# Local Variables:
# compile-command: "cd build ; make -j4 && \
# ../qa/run-standalone.sh osd-scrub-test.sh"
# End: