ceph/qa/standalone/erasure-code/test-erasure-eio.sh

542 lines
14 KiB
Bash
Executable File

#!/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_rbd_pool || 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
wait_for_clean || return 1
# 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=$1
local sname=state
ceph --format json pg dump pgs 2>/dev/null | \
jq -r ".[] | select(.pgid==\"$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_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-$$-$shard_id
rados_put $dir $poolname $objname || return 1
inject_$inject ec data $poolname $objname $dir $shard_id || return 1
rados_get $dir $poolname $objname || return 1
if [ "$arg" = "recovery" ];
then
#
# take out the last OSD used to store the object,
# bring it back, and check for clean PGs which means
# recovery didn't crash the primary.
#
local -a initial_osds=($(get_osds $poolname $objname))
local last_osd=${initial_osds[-1]}
# Kill OSD
kill_daemons $dir TERM osd.${last_osd} >&2 < /dev/null || return 1
ceph osd out ${last_osd} || return 1
! get_osds $poolname $objname | grep '\<'${last_osd}'\>' || return 1
ceph osd in ${last_osd} || return 1
run_osd $dir ${last_osd} || return 1
wait_for_clean || return 1
fi
shard_id=$(expr $shard_id + 1)
inject_$inject ec data $poolname $objname $dir $shard_id || return 1
# Now 2 out of 3 shards get an error, so should fail
rados_get $dir $poolname $objname fail || return 1
rm $dir/ORIGINAL
}
# Change the size of speificied shard
#
function set_size() {
local objname=$1
shift
local dir=$1
shift
local shard_id=$1
shift
local bytes=$1
shift
local mode=${1}
local poolname=pool-jerasure
local -a initial_osds=($(get_osds $poolname $objname))
local osd_id=${initial_osds[$shard_id]}
ceph osd set noout
if [ "$mode" = "add" ];
then
objectstore_tool $dir $osd_id $objname get-bytes $dir/CORRUPT || return 1
dd if=/dev/urandom bs=$bytes count=1 >> $dir/CORRUPT
elif [ "$bytes" = "0" ];
then
touch $dir/CORRUPT
else
dd if=/dev/urandom bs=$bytes count=1 of=$dir/CORRUPT
fi
objectstore_tool $dir $osd_id $objname set-bytes $dir/CORRUPT || return 1
rm -f $dir/CORRUPT
ceph osd unset noout
}
function rados_get_data_bad_size() {
local dir=$1
shift
local shard_id=$1
shift
local bytes=$1
shift
local mode=${1:-set}
local poolname=pool-jerasure
local objname=obj-size-$$-$shard_id-$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_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_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_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_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_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_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_pool $poolname
}
# Test recovery the first k copies aren't all available
function TEST_ec_recovery_errors() {
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
delete_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
export CEPH_ARGS
CEPH_ARGS+=' --osd_min_pg_log_entries=5 --osd_max_pg_log_entries=10'
setup_osds 5 || return 1
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
run_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
ceph pg 2.0 list_missing | grep -q $testobj || 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_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
setup_osds 5 || return 1
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
run_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_missing | grep -q $testobj || 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_pool $poolname
}
main test-erasure-eio "$@"
# Local Variables:
# compile-command: "cd ../.. ; make -j4 && test/erasure-code/test-erasure-eio.sh"
# End: