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Diffstat (limited to '')
-rwxr-xr-x | qa/standalone/erasure-code/test-erasure-eio.sh | 699 |
1 files changed, 699 insertions, 0 deletions
diff --git a/qa/standalone/erasure-code/test-erasure-eio.sh b/qa/standalone/erasure-code/test-erasure-eio.sh new file mode 100755 index 000000000..5ee7e3a9f --- /dev/null +++ b/qa/standalone/erasure-code/test-erasure-eio.sh @@ -0,0 +1,699 @@ +#!/usr/bin/env bash +# +# Copyright (C) 2015 Red Hat <contact@redhat.com> +# +# +# Author: Kefu Chai <kchai@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 + +function run() { + local dir=$1 + shift + + export CEPH_MON="127.0.0.1:7112" # git grep '\<7112\>' : there must be only one + export CEPH_ARGS + CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none " + CEPH_ARGS+="--mon-host=$CEPH_MON " + + local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')} + for func in $funcs ; do + setup $dir || return 1 + run_mon $dir a || return 1 + run_mgr $dir x || return 1 + create_pool rbd 4 || return 1 + + # check that erasure code plugins are preloaded + CEPH_ARGS='' ceph --admin-daemon $(get_asok_path mon.a) log flush || return 1 + grep 'load: jerasure.*lrc' $dir/mon.a.log || return 1 + $func $dir || return 1 + teardown $dir || return 1 + done +} + +function setup_osds() { + local count=$1 + shift + + for id in $(seq 0 $(expr $count - 1)) ; do + run_osd $dir $id || return 1 + done + + # check that erasure code plugins are preloaded + CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.0) log flush || return 1 + grep 'load: jerasure.*lrc' $dir/osd.0.log || return 1 +} + +function get_state() { + local pgid=$1 + local sname=state + ceph --format json pg dump pgs 2>/dev/null | \ + jq -r ".pg_stats | .[] | select(.pgid==\"$pgid\") | .$sname" +} + +function create_erasure_coded_pool() { + local poolname=$1 + shift + local k=$1 + shift + local m=$1 + shift + + ceph osd erasure-code-profile set myprofile \ + plugin=jerasure \ + k=$k m=$m \ + crush-failure-domain=osd || return 1 + create_pool $poolname 1 1 erasure myprofile \ + || return 1 + wait_for_clean || return 1 +} + +function delete_erasure_coded_pool() { + local poolname=$1 + ceph osd pool delete $poolname $poolname --yes-i-really-really-mean-it + ceph osd erasure-code-profile rm myprofile +} + +function rados_put() { + local dir=$1 + local poolname=$2 + local objname=${3:-SOMETHING} + + for marker in AAA BBB CCCC DDDD ; do + printf "%*s" 1024 $marker + done > $dir/ORIGINAL + # + # get and put an object, compare they are equal + # + rados --pool $poolname put $objname $dir/ORIGINAL || return 1 +} + +function rados_get() { + local dir=$1 + local poolname=$2 + local objname=${3:-SOMETHING} + local expect=${4:-ok} + + # + # Expect a failure to get object + # + if [ $expect = "fail" ]; + then + ! rados --pool $poolname get $objname $dir/COPY + return + fi + # + # get an object, compare with $dir/ORIGINAL + # + rados --pool $poolname get $objname $dir/COPY || return 1 + diff $dir/ORIGINAL $dir/COPY || return 1 + rm $dir/COPY +} + + +function inject_remove() { + local pooltype=$1 + shift + local which=$1 + shift + local poolname=$1 + shift + local objname=$1 + shift + local dir=$1 + shift + local shard_id=$1 + shift + + local -a initial_osds=($(get_osds $poolname $objname)) + local osd_id=${initial_osds[$shard_id]} + objectstore_tool $dir $osd_id $objname remove || return 1 +} + +# Test with an inject error +function rados_put_get_data() { + local inject=$1 + shift + local dir=$1 + shift + local shard_id=$1 + shift + local arg=$1 + + # inject eio to speificied shard + # + local poolname=pool-jerasure + local objname=obj-$inject-$$-$shard_id + rados_put $dir $poolname $objname || return 1 + inject_$inject ec data $poolname $objname $dir $shard_id || return 1 + rados_get $dir $poolname $objname || return 1 + + if [ "$arg" = "recovery" ]; + then + # + # take out the last OSD used to store the object, + # bring it back, and check for clean PGs which means + # recovery didn't crash the primary. + # + local -a initial_osds=($(get_osds $poolname $objname)) + local last_osd=${initial_osds[-1]} + # Kill OSD + kill_daemons $dir TERM osd.${last_osd} >&2 < /dev/null || return 1 + ceph osd out ${last_osd} || return 1 + ! get_osds $poolname $objname | grep '\<'${last_osd}'\>' || return 1 + ceph osd in ${last_osd} || return 1 + activate_osd $dir ${last_osd} || return 1 + wait_for_clean || return 1 + # Won't check for eio on get here -- recovery above might have fixed it + else + shard_id=$(expr $shard_id + 1) + inject_$inject ec data $poolname $objname $dir $shard_id || return 1 + rados_get $dir $poolname $objname fail || return 1 + rm $dir/ORIGINAL + fi + +} + +# Change the size of speificied shard +# +function set_size() { + local objname=$1 + shift + local dir=$1 + shift + local shard_id=$1 + shift + local bytes=$1 + shift + local mode=${1} + + local poolname=pool-jerasure + local -a initial_osds=($(get_osds $poolname $objname)) + local osd_id=${initial_osds[$shard_id]} + ceph osd set noout + if [ "$mode" = "add" ]; + then + objectstore_tool $dir $osd_id $objname get-bytes $dir/CORRUPT || return 1 + dd if=/dev/urandom bs=$bytes count=1 >> $dir/CORRUPT + elif [ "$bytes" = "0" ]; + then + touch $dir/CORRUPT + else + dd if=/dev/urandom bs=$bytes count=1 of=$dir/CORRUPT + fi + objectstore_tool $dir $osd_id $objname set-bytes $dir/CORRUPT || return 1 + rm -f $dir/CORRUPT + ceph osd unset noout +} + +function rados_get_data_bad_size() { + local dir=$1 + shift + local shard_id=$1 + shift + local bytes=$1 + shift + local mode=${1:-set} + + local poolname=pool-jerasure + local objname=obj-size-$$-$shard_id-$bytes + rados_put $dir $poolname $objname || return 1 + + # Change the size of speificied shard + # + set_size $objname $dir $shard_id $bytes $mode || return 1 + + rados_get $dir $poolname $objname || return 1 + + # Leave objname and modify another shard + shard_id=$(expr $shard_id + 1) + set_size $objname $dir $shard_id $bytes $mode || return 1 + rados_get $dir $poolname $objname fail || return 1 + rm $dir/ORIGINAL +} + +# +# These two test cases try to validate the following behavior: +# For object on EC pool, if there is one shard having read error ( +# either primary or replica), client can still read object. +# +# If 2 shards have read errors the client will get an error. +# +function TEST_rados_get_subread_eio_shard_0() { + local dir=$1 + setup_osds 4 || return 1 + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 2 1 || return 1 + # inject eio on primary OSD (0) and replica OSD (1) + local shard_id=0 + rados_put_get_data eio $dir $shard_id || return 1 + delete_erasure_coded_pool $poolname +} + +function TEST_rados_get_subread_eio_shard_1() { + local dir=$1 + setup_osds 4 || return 1 + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 2 1 || return 1 + # inject eio into replicas OSD (1) and OSD (2) + local shard_id=1 + rados_put_get_data eio $dir $shard_id || return 1 + delete_erasure_coded_pool $poolname +} + +# We don't remove the object from the primary because +# that just causes it to appear to be missing + +function TEST_rados_get_subread_missing() { + local dir=$1 + setup_osds 4 || return 1 + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 2 1 || return 1 + # inject remove into replicas OSD (1) and OSD (2) + local shard_id=1 + rados_put_get_data remove $dir $shard_id || return 1 + delete_erasure_coded_pool $poolname +} + +# +# +# These two test cases try to validate that following behavior: +# For object on EC pool, if there is one shard which an incorrect +# size this will cause an internal read error, client can still read object. +# +# If 2 shards have incorrect size the client will get an error. +# +function TEST_rados_get_bad_size_shard_0() { + local dir=$1 + setup_osds 4 || return 1 + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 2 1 || return 1 + # Set incorrect size into primary OSD (0) and replica OSD (1) + local shard_id=0 + rados_get_data_bad_size $dir $shard_id 10 || return 1 + rados_get_data_bad_size $dir $shard_id 0 || return 1 + rados_get_data_bad_size $dir $shard_id 256 add || return 1 + delete_erasure_coded_pool $poolname +} + +function TEST_rados_get_bad_size_shard_1() { + local dir=$1 + setup_osds 4 || return 1 + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 2 1 || return 1 + # Set incorrect size into replicas OSD (1) and OSD (2) + local shard_id=1 + rados_get_data_bad_size $dir $shard_id 10 || return 1 + rados_get_data_bad_size $dir $shard_id 0 || return 1 + rados_get_data_bad_size $dir $shard_id 256 add || return 1 + delete_erasure_coded_pool $poolname +} + +function TEST_rados_get_with_subreadall_eio_shard_0() { + local dir=$1 + local shard_id=0 + + setup_osds 4 || return 1 + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 2 1 || return 1 + # inject eio on primary OSD (0) + rados_put_get_data eio $dir $shard_id recovery || return 1 + + delete_erasure_coded_pool $poolname +} + +function TEST_rados_get_with_subreadall_eio_shard_1() { + local dir=$1 + local shard_id=1 + + setup_osds 4 || return 1 + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 2 1 || return 1 + # inject eio on replica OSD (1) + rados_put_get_data eio $dir $shard_id recovery || return 1 + + delete_erasure_coded_pool $poolname +} + +# Test recovery the object attr read error +function TEST_ec_object_attr_read_error() { + local dir=$1 + local objname=myobject + + setup_osds 7 || return 1 + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 3 2 || return 1 + + local primary_osd=$(get_primary $poolname $objname) + # Kill primary OSD + kill_daemons $dir TERM osd.${primary_osd} >&2 < /dev/null || return 1 + + # Write data + rados_put $dir $poolname $objname || return 1 + + # Inject eio, shard 1 is the one read attr + inject_eio ec mdata $poolname $objname $dir 1 || return 1 + + # Restart OSD + activate_osd $dir ${primary_osd} || return 1 + + # Cluster should recover this object + wait_for_clean || return 1 + + rados_get $dir $poolname myobject || return 1 + + delete_erasure_coded_pool $poolname +} + +# Test recovery the first k copies aren't all available +function TEST_ec_single_recovery_error() { + local dir=$1 + local objname=myobject + + setup_osds 7 || return 1 + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 3 2 || return 1 + + rados_put $dir $poolname $objname || return 1 + inject_eio ec data $poolname $objname $dir 0 || return 1 + + local -a initial_osds=($(get_osds $poolname $objname)) + local last_osd=${initial_osds[-1]} + # Kill OSD + kill_daemons $dir TERM osd.${last_osd} >&2 < /dev/null || return 1 + ceph osd down ${last_osd} || return 1 + ceph osd out ${last_osd} || return 1 + + # Cluster should recover this object + wait_for_clean || return 1 + + rados_get $dir $poolname myobject || return 1 + + delete_erasure_coded_pool $poolname +} + +# Test recovery when repeated reads are needed due to EIO +function TEST_ec_recovery_multiple_errors() { + local dir=$1 + local objname=myobject + + setup_osds 9 || return 1 + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 4 4 || return 1 + + rados_put $dir $poolname $objname || return 1 + inject_eio ec data $poolname $objname $dir 0 || return 1 + # first read will try shards 0,1,2 when 0 gets EIO, shard 3 gets + # tried as well. Make that fail to test multiple-EIO handling. + inject_eio ec data $poolname $objname $dir 3 || return 1 + inject_eio ec data $poolname $objname $dir 4 || return 1 + + local -a initial_osds=($(get_osds $poolname $objname)) + local last_osd=${initial_osds[-1]} + # Kill OSD + kill_daemons $dir TERM osd.${last_osd} >&2 < /dev/null || return 1 + ceph osd down ${last_osd} || return 1 + ceph osd out ${last_osd} || return 1 + + # Cluster should recover this object + wait_for_clean || return 1 + + rados_get $dir $poolname myobject || return 1 + + delete_erasure_coded_pool $poolname +} + +# Test recovery when there's only one shard to recover, but multiple +# objects recovering in one RecoveryOp +function TEST_ec_recovery_multiple_objects() { + local dir=$1 + local objname=myobject + + ORIG_ARGS=$CEPH_ARGS + CEPH_ARGS+=' --osd-recovery-max-single-start 3 --osd-recovery-max-active 3 ' + setup_osds 7 || return 1 + CEPH_ARGS=$ORIG_ARGS + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 3 2 || return 1 + + rados_put $dir $poolname test1 + rados_put $dir $poolname test2 + rados_put $dir $poolname test3 + + ceph osd out 0 || return 1 + + # Cluster should recover these objects all at once + wait_for_clean || return 1 + + rados_get $dir $poolname test1 + rados_get $dir $poolname test2 + rados_get $dir $poolname test3 + + delete_erasure_coded_pool $poolname +} + +# test multi-object recovery when the one missing shard gets EIO +function TEST_ec_recovery_multiple_objects_eio() { + local dir=$1 + local objname=myobject + + ORIG_ARGS=$CEPH_ARGS + CEPH_ARGS+=' --osd-recovery-max-single-start 3 --osd-recovery-max-active 3 ' + setup_osds 7 || return 1 + CEPH_ARGS=$ORIG_ARGS + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 3 2 || return 1 + + rados_put $dir $poolname test1 + rados_put $dir $poolname test2 + rados_put $dir $poolname test3 + + # can't read from this shard anymore + inject_eio ec data $poolname $objname $dir 0 || return 1 + ceph osd out 0 || return 1 + + # Cluster should recover these objects all at once + wait_for_clean || return 1 + + rados_get $dir $poolname test1 + rados_get $dir $poolname test2 + rados_get $dir $poolname test3 + + delete_erasure_coded_pool $poolname +} + +# Test backfill with unfound object +function TEST_ec_backfill_unfound() { + local dir=$1 + local objname=myobject + local lastobj=300 + # Must be between 1 and $lastobj + local testobj=obj250 + + ORIG_ARGS=$CEPH_ARGS + CEPH_ARGS+=' --osd_min_pg_log_entries=5 --osd_max_pg_log_entries=10' + setup_osds 5 || return 1 + CEPH_ARGS=$ORIG_ARGS + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 3 2 || return 1 + + ceph pg dump pgs + + rados_put $dir $poolname $objname || return 1 + local primary=$(get_primary $poolname $objname) + + local -a initial_osds=($(get_osds $poolname $objname)) + local last_osd=${initial_osds[-1]} + kill_daemons $dir TERM osd.${last_osd} 2>&2 < /dev/null || return 1 + ceph osd down ${last_osd} || return 1 + ceph osd out ${last_osd} || return 1 + + ceph pg dump pgs + + dd if=/dev/urandom of=${dir}/ORIGINAL bs=1024 count=4 + for i in $(seq 1 $lastobj) + do + rados --pool $poolname put obj${i} $dir/ORIGINAL || return 1 + done + + inject_eio ec data $poolname $testobj $dir 0 || return 1 + inject_eio ec data $poolname $testobj $dir 1 || return 1 + + activate_osd $dir ${last_osd} || return 1 + ceph osd in ${last_osd} || return 1 + + sleep 15 + + for tmp in $(seq 1 100); do + state=$(get_state 2.0) + echo $state | grep backfill_unfound + if [ "$?" = "0" ]; then + break + fi + echo $state + sleep 1 + done + + ceph pg dump pgs + kill_daemons $dir TERM osd.${last_osd} 2>&2 < /dev/null || return 1 + sleep 5 + + ceph pg dump pgs + ceph pg 2.0 list_unfound + ceph pg 2.0 query + + ceph pg 2.0 list_unfound | grep -q $testobj || return 1 + + check=$(ceph pg 2.0 list_unfound | jq ".available_might_have_unfound") + test "$check" == "true" || return 1 + + eval check=$(ceph pg 2.0 list_unfound | jq .might_have_unfound[0].status) + test "$check" == "osd is down" || return 1 + + eval check=$(ceph pg 2.0 list_unfound | jq .might_have_unfound[0].osd) + test "$check" == "2(4)" || return 1 + + activate_osd $dir ${last_osd} || return 1 + + # Command should hang because object is unfound + timeout 5 rados -p $poolname get $testobj $dir/CHECK + test $? = "124" || return 1 + + ceph pg 2.0 mark_unfound_lost delete + + wait_for_clean || return 1 + + for i in $(seq 1 $lastobj) + do + if [ obj${i} = "$testobj" ]; then + # Doesn't exist anymore + ! rados -p $poolname get $testobj $dir/CHECK || return 1 + else + rados --pool $poolname get obj${i} $dir/CHECK || return 1 + diff -q $dir/ORIGINAL $dir/CHECK || return 1 + fi + done + + rm -f ${dir}/ORIGINAL ${dir}/CHECK + + delete_erasure_coded_pool $poolname +} + +# Test recovery with unfound object +function TEST_ec_recovery_unfound() { + local dir=$1 + local objname=myobject + local lastobj=100 + # Must be between 1 and $lastobj + local testobj=obj75 + + ORIG_ARGS=$CEPH_ARGS + CEPH_ARGS+=' --osd-recovery-max-single-start 3 --osd-recovery-max-active 3 ' + CEPH_ARGS+=' --osd_min_pg_log_entries=5 --osd_max_pg_log_entries=10' + setup_osds 5 || return 1 + CEPH_ARGS=$ORIG_ARGS + + local poolname=pool-jerasure + create_erasure_coded_pool $poolname 3 2 || return 1 + + ceph pg dump pgs + + rados_put $dir $poolname $objname || return 1 + + local -a initial_osds=($(get_osds $poolname $objname)) + local last_osd=${initial_osds[-1]} + kill_daemons $dir TERM osd.${last_osd} 2>&2 < /dev/null || return 1 + ceph osd down ${last_osd} || return 1 + ceph osd out ${last_osd} || return 1 + + ceph pg dump pgs + + dd if=/dev/urandom of=${dir}/ORIGINAL bs=1024 count=4 + for i in $(seq 1 $lastobj) + do + rados --pool $poolname put obj${i} $dir/ORIGINAL || return 1 + done + + inject_eio ec data $poolname $testobj $dir 0 || return 1 + inject_eio ec data $poolname $testobj $dir 1 || return 1 + + activate_osd $dir ${last_osd} || return 1 + ceph osd in ${last_osd} || return 1 + + sleep 15 + + for tmp in $(seq 1 100); do + state=$(get_state 2.0) + echo $state | grep recovery_unfound + if [ "$?" = "0" ]; then + break + fi + echo "$state " + sleep 1 + done + + ceph pg dump pgs + ceph pg 2.0 list_unfound + ceph pg 2.0 query + + ceph pg 2.0 list_unfound | grep -q $testobj || return 1 + + check=$(ceph pg 2.0 list_unfound | jq ".available_might_have_unfound") + test "$check" == "true" || return 1 + + check=$(ceph pg 2.0 list_unfound | jq ".might_have_unfound | length") + test $check == 0 || return 1 + + # Command should hang because object is unfound + timeout 5 rados -p $poolname get $testobj $dir/CHECK + test $? = "124" || return 1 + + ceph pg 2.0 mark_unfound_lost delete + + wait_for_clean || return 1 + + for i in $(seq 1 $lastobj) + do + if [ obj${i} = "$testobj" ]; then + # Doesn't exist anymore + ! rados -p $poolname get $testobj $dir/CHECK || return 1 + else + rados --pool $poolname get obj${i} $dir/CHECK || return 1 + diff -q $dir/ORIGINAL $dir/CHECK || return 1 + fi + done + + rm -f ${dir}/ORIGINAL ${dir}/CHECK + + delete_erasure_coded_pool $poolname +} + +main test-erasure-eio "$@" + +# Local Variables: +# compile-command: "cd ../.. ; make -j4 && test/erasure-code/test-erasure-eio.sh" +# End: |