[PATCH v3] generic: test per-type quota softlimit enforcement timeout

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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>
---

Hi,

Thanks Eric found the overlapping quota timer issue. I set user, group and
project quota grace time together, then test them one by one. That cause
the user quota test is affected by group/project timers. This v3 patch fix
this issue.

But there's still a failure on XFS, about xfs group and project quota
always return ENOSPC to instead of EDQUOT, e.g:

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

Should I expect ENOSPC or EDQUOT both in this case?

And there's another weird thing is -- why ext4 test passed when there's
the overlapping quota timer issue in this case ...

Thanks,
Zorro

 common/quota          |   4 +
 tests/generic/597     | 187 ++++++++++++++++++++++++++++++++++++++++++
 tests/generic/597.out |  41 +++++++++
 tests/generic/group   |   1 +
 4 files changed, 233 insertions(+)
 create mode 100755 tests/generic/597
 create mode 100644 tests/generic/597.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/597 b/tests/generic/597
new file mode 100755
index 00000000..f87a7dc7
--- /dev/null
+++ b/tests/generic/597
@@ -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. 597
+#
+# 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 $dir
+}
+
+# real QA test starts here
+_supported_fs generic
+_supported_os Linux
+_require_scratch
+_require_setquota_project
+_require_quota
+_require_user
+_require_group
+
+_scratch_mkfs >$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/597.out b/tests/generic/597.out
new file mode 100644
index 00000000..57a68ee1
--- /dev/null
+++ b/tests/generic/597.out
@@ -0,0 +1,41 @@
+QA output created by 597
+### 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
diff --git a/tests/generic/group b/tests/generic/group
index 718575ba..10af4c41 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -598,3 +598,4 @@
 594 auto quick quota
 595 auto quick encrypt
 596 auto quick
+597 auto quick quota
-- 
2.20.1




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