Re: [PATCH 2/4] generic: test per-type quota softlimit enforcement timeout

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On Mon, May 18, 2020 at 03:00:11PM -0500, Eric Sandeen wrote:
> From: Zorro Lang <zlang@xxxxxxxxxx>
> 
> Set different block & inode grace timers for user, group and project
> quotas, then test softlimit enforcement timeout, make sure different
> grace timers as expected.
> 
> Signed-off-by: Zorro Lang <zlang@xxxxxxxxxx>
> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---

I saw the following failure as well on xfs (as Zorro mentioned in his v3
patch)

     -pwrite: Disk quota exceeded                                                                                                                                                                                   
     +pwrite: No space left on device

So this is an xfs issue that needs to be fixed? Just want to make sure
the current expected test result.

>  common/quota          |   4 +
>  tests/generic/600     | 187 ++++++++++++++++++++++++++++++++++++++++++
>  tests/generic/600.out |  41 +++++++++
>  tests/generic/group   |   1 +
>  4 files changed, 233 insertions(+)
>  create mode 100755 tests/generic/600
>  create mode 100644 tests/generic/600.out
> 
> diff --git a/common/quota b/common/quota
> index 240e0bbc..1437d5f7 100644
> --- a/common/quota
> +++ b/common/quota
> @@ -217,6 +217,10 @@ _qmount()
>      if [ "$FSTYP" != "xfs" ]; then
>          quotacheck -ug $SCRATCH_MNT >>$seqres.full 2>&1
>          quotaon -ug $SCRATCH_MNT >>$seqres.full 2>&1
> +        # try to turn on project quota if it's supported
> +        if quotaon --help 2>&1 | grep -q '\-\-project'; then
> +            quotaon --project $SCRATCH_MNT >>$seqres.full 2>&1
> +        fi
>      fi
>      chmod ugo+rwx $SCRATCH_MNT
>  }
> diff --git a/tests/generic/600 b/tests/generic/600
> new file mode 100755
> index 00000000..03b4dcb3
> --- /dev/null
> +++ b/tests/generic/600
> @@ -0,0 +1,187 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (c) 2020 Red Hat, Inc.  All Rights Reserved.
> +#
> +# FS QA Test No. 600
> +#
> +# Test per-type(user, group and project) filesystem quota timers, make sure
> +# enforcement
> +#
> +seq=`basename $0`
> +seqres=$RESULT_DIR/$seq
> +echo "QA output created by $seq"
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +status=1	# failure is the default!
> +trap "_cleanup; exit \$status" 0 1 2 3 15
> +
> +_cleanup()
> +{
> +	restore_project
> +	cd /
> +	rm -f $tmp.*
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +. ./common/quota
> +
> +# remove previous $seqres.full before test
> +rm -f $seqres.full
> +
> +require_project()
> +{
> +	rm -f $tmp.projects $tmp.projid
> +	if [ -f /etc/projects ];then
> +		cat /etc/projects > $tmp.projects
> +	fi
> +	if [ -f /etc/projid ];then
> +		cat /etc/projid > $tmp.projid
> +	fi
> +
> +	cat >/etc/projects <<EOF
> +100:$SCRATCH_MNT/t
> +EOF
> +	cat >/etc/projid <<EOF
> +$qa_user:100
> +EOF
> +	PROJECT_CHANGED=1
> +}
> +
> +restore_project()
> +{
> +	if [ "$PROJECT_CHANGED" = "1" ];then
> +		rm -f /etc/projects /etc/projid
> +		if [ -f $tmp.projects ];then
> +			cat $tmp.projects > /etc/projects
> +		fi
> +		if [ -f $tmp.projid ];then
> +			cat $tmp.projid > /etc/projid
> +		fi
> +	fi
> +}
> +
> +init_files()
> +{
> +	local dir=$1
> +
> +	echo "### Initialize files, and their mode and ownership"
> +	touch $dir/file{1,2} 2>/dev/null
> +	chown $qa_user $dir/file{1,2} 2>/dev/null
> +	chgrp $qa_user $dir/file{1,2} 2>/dev/null
> +	chmod 777 $dir 2>/dev/null
> +}
> +
> +cleanup_files()
> +{
> +	echo "### Remove all files"
> +	rm -f ${1}/file{1,2,3,4,5,6}
> +}
> +
> +test_grace()
> +{
> +	local type=$1
> +	local dir=$2
> +	local bgrace=$3
> +	local igrace=$4
> +
> +	init_files $dir
> +	echo "--- Test block quota ---"
> +	# Firstly fit below block soft limit
> +	echo "Write 225 blocks..."
> +	su $qa_user -c "$XFS_IO_PROG -c 'pwrite 0 $((225 * $BLOCK_SIZE))' \
> +		-c fsync $dir/file1" 2>&1 >>$seqres.full | \
> +		_filter_xfs_io_error | tee -a $seqres.full
> +	repquota -v -$type $SCRATCH_MNT | grep -v "^root" >>$seqres.full 2>&1
> +	# Secondly overcome block soft limit
> +	echo "Rewrite 250 blocks plus 1 byte, over the block softlimit..."
> +	su $qa_user -c "$XFS_IO_PROG -c 'pwrite 0 $((250 * $BLOCK_SIZE + 1))' \
> +		-c fsync $dir/file1" 2>&1 >>$seqres.full | \
> +		_filter_xfs_io_error | tee -a $seqres.full
> +	repquota -v -$type $SCRATCH_MNT | grep -v "^root" >>$seqres.full 2>&1
> +	# Reset grace time here, make below grace time test more accurate
> +	setquota -$type $qa_user -T $bgrace $igrace $SCRATCH_MNT 2>/dev/null
> +	# Now sleep enough grace time and check that softlimit got enforced
> +	sleep $((bgrace + 1))
> +	echo "Try to write 1 one more block after grace..."
> +	su $qa_user -c "$XFS_IO_PROG -c 'truncate 0' -c 'pwrite 0 $BLOCK_SIZE' \
> +		$dir/file2" 2>&1 >>$seqres.full | _filter_xfs_io_error | \
> +		tee -a $seqres.full
> +	repquota -v -$type $SCRATCH_MNT | grep -v "^root" >>$seqres.full 2>&1
> +	echo "--- Test inode quota ---"
> +	# And now the softlimit test for inodes
> +	# First reset space limits so that we don't have problems with
> +	# space reservations on XFS
> +	setquota -$type $qa_user 0 0 3 100 $SCRATCH_MNT
> +	echo "Create 2 more files, over the inode softlimit..."
> +	su $qa_user -c "touch $dir/file3 $dir/file4" 2>&1 >>$seqres.full | \
> +		_filter_scratch | tee -a $seqres.full
> +	repquota -v -$type $SCRATCH_MNT  | grep -v "^root" >>$seqres.full 2>&1
> +	# Reset grace time here, make below grace time test more accurate
> +	setquota -$type $qa_user -T $bgrace $igrace $SCRATCH_MNT 2>/dev/null
> +	# Wait and check grace time enforcement
> +	sleep $((igrace+1))
> +	echo "Try to create one more inode after grace..."
> +	su $qa_user -c "touch $dir/file5" 2>&1 >>$seqres.full |
> +		_filter_scratch | tee -a $seqres.full
> +	repquota -v -$type $SCRATCH_MNT  | grep -v "^root" >>$seqres.full 2>&1
> +	cleanup_files $dir
> +}
> +
> +# real QA test starts here
> +_supported_fs generic
> +_supported_os Linux
> +_require_scratch
> +_require_setquota_project
> +_require_quota
> +_require_user
> +_require_group

Hmm, also needs _require_scratch_xfs_crc when FSTYP is xfs, otherwise v4
xfs fails as

+mount: /mnt/scratch: wrong fs type, bad option, bad superblock on /dev/mapper/testvg-lv2, missing codepage or helper program, or other error.
+qmount failed

and dmesg says

XFS (dm-2): Super block does not support project and group quota together

Thanks,
Eryu

> +
> +_scratch_mkfs >$seqres.full 2>&1
> +_scratch_enable_pquota
> +_qmount_option "usrquota,grpquota,prjquota"
> +_qmount
> +_require_prjquota $SCRATCH_DEV
> +BLOCK_SIZE=$(_get_file_block_size $SCRATCH_MNT)
> +rm -rf $SCRATCH_MNT/t
> +mkdir $SCRATCH_MNT/t
> +$XFS_IO_PROG -r -c "chproj 100" -c "chattr +P" $SCRATCH_MNT/t
> +require_project
> +
> +echo "### Set up different grace timers to each type of quota"
> +UBGRACE=12
> +UIGRACE=10
> +GBGRACE=4
> +GIGRACE=2
> +PBGRACE=8
> +PIGRACE=6
> +
> +setquota -u $qa_user $((250 * $BLOCK_SIZE / 1024)) \
> +	$((1000 * $BLOCK_SIZE / 1024)) 3 100 $SCRATCH_MNT
> +setquota -u -t $UBGRACE $UIGRACE $SCRATCH_MNT
> +echo; echo "### Test user quota softlimit and grace time"
> +test_grace u $SCRATCH_MNT $UBGRACE $UIGRACE
> +# Reset the user quota space & inode limits, avoid it affect later test
> +setquota -u $qa_user 0 0 0 0 $SCRATCH_MNT
> +
> +setquota -g $qa_user $((250 * $BLOCK_SIZE / 1024)) \
> +	$((1000 * $BLOCK_SIZE / 1024)) 3 100 $SCRATCH_MNT
> +setquota -g -t $GBGRACE $GIGRACE $SCRATCH_MNT
> +echo; echo "### Test group quota softlimit and grace time"
> +test_grace g $SCRATCH_MNT $GBGRACE $GIGRACE
> +# Reset the group quota space & inode limits, avoid it affect later test
> +setquota -g $qa_user 0 0 0 0 $SCRATCH_MNT
> +
> +setquota -P $qa_user $((250 * $BLOCK_SIZE / 1024)) \
> +	$((1000 * $BLOCK_SIZE / 1024)) 3 100 $SCRATCH_MNT
> +setquota -P -t $PBGRACE $PIGRACE $SCRATCH_MNT
> +echo; echo "### Test project quota softlimit and grace time"
> +test_grace P $SCRATCH_MNT/t $PBGRACE $PIGRACE
> +# Reset the project quota space & inode limits
> +setquota -P $qa_user 0 0 0 0 $SCRATCH_MNT
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/generic/600.out b/tests/generic/600.out
> new file mode 100644
> index 00000000..6e15eaeb
> --- /dev/null
> +++ b/tests/generic/600.out
> @@ -0,0 +1,41 @@
> +QA output created by 600
> +### Set up different grace timers to each type of quota
> +
> +### Test user quota softlimit and grace time
> +### Initialize files, and their mode and ownership
> +--- Test block quota ---
> +Write 225 blocks...
> +Rewrite 250 blocks plus 1 byte, over the block softlimit...
> +Try to write 1 one more block after grace...
> +pwrite: Disk quota exceeded
> +--- Test inode quota ---
> +Create 2 more files, over the inode softlimit...
> +Try to create one more inode after grace...
> +touch: cannot touch 'SCRATCH_MNT/file5': Disk quota exceeded
> +### Remove all files
> +
> +### Test group quota softlimit and grace time
> +### Initialize files, and their mode and ownership
> +--- Test block quota ---
> +Write 225 blocks...
> +Rewrite 250 blocks plus 1 byte, over the block softlimit...
> +Try to write 1 one more block after grace...
> +pwrite: Disk quota exceeded
> +--- Test inode quota ---
> +Create 2 more files, over the inode softlimit...
> +Try to create one more inode after grace...
> +touch: cannot touch 'SCRATCH_MNT/file5': Disk quota exceeded
> +### Remove all files
> +
> +### Test project quota softlimit and grace time
> +### Initialize files, and their mode and ownership
> +--- Test block quota ---
> +Write 225 blocks...
> +Rewrite 250 blocks plus 1 byte, over the block softlimit...
> +Try to write 1 one more block after grace...
> +pwrite: Disk quota exceeded
> +--- Test inode quota ---
> +Create 2 more files, over the inode softlimit...
> +Try to create one more inode after grace...
> +touch: cannot touch 'SCRATCH_MNT/t/file5': Disk quota exceeded
> +### Remove all files



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