Re: [PATCH 1/2] xfs: functional testing of V5-relevant options

[Allison Henderson <allison.henderson@oracle.com>]

On 4/20/21 5:22 PM, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@kernel.org>
> 
> Currently, the only functional testing for xfs_admin is xfs/287, which
> checks that one can add 32-bit project ids to a V4 filesystem.  This
> obviously isn't an exhaustive test of all the CLI arguments, and
> historically there have been xfs configurations that don't even work.
> 
> Therefore, introduce a couple of new tests -- one that will test the
> simple options with the default configuration, and a second test that
> steps a bit outside of the test run configuration to make sure that we
> do the right thing for external devices.  The second test already caught
> a nasty bug in xfsprogs 5.11.
> 
> Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Ok, I followed it through and I think it makes sense.  With Brians 
comments fixed:
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>

> ---
>   common/xfs        |   21 ++++++++++
>   tests/xfs/764     |   93 +++++++++++++++++++++++++++++++++++++++++++
>   tests/xfs/764.out |   17 ++++++++
>   tests/xfs/773     |  114 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>   tests/xfs/773.out |   19 +++++++++
>   tests/xfs/group   |    2 +
>   6 files changed, 266 insertions(+)
>   create mode 100755 tests/xfs/764
>   create mode 100644 tests/xfs/764.out
>   create mode 100755 tests/xfs/773
>   create mode 100644 tests/xfs/773.out
> 
> 
> diff --git a/common/xfs b/common/xfs
> index c2384146..5abc7034 100644
> --- a/common/xfs
> +++ b/common/xfs
> @@ -1142,3 +1142,24 @@ _check_scratch_xfs_features()
>   	echo "${output[@]}"
>   	test "${found}" -eq "$#"
>   }
> +
> +# Decide if xfs_repair knows how to set (or clear) a filesystem feature.
> +_require_xfs_repair_upgrade()
> +{
> +	local type="$1"
> +
> +	$XFS_REPAIR_PROG -c "$type=garbagevalue" 2>&1 | \
> +		grep -q 'unknown option' && \
> +		_notrun "xfs_repair does not support upgrading fs with $type"
> +}
> +
> +_require_xfs_scratch_inobtcount()
> +{
> +	_require_scratch
> +
> +	_scratch_mkfs -m inobtcount=1 &> /dev/null || \
> +		_notrun "mkfs.xfs doesn't have inobtcount feature"
> +	_try_scratch_mount || \
> +		_notrun "inobtcount not supported by scratch filesystem type: $FSTYP"
> +	_scratch_unmount
> +}
> diff --git a/tests/xfs/764 b/tests/xfs/764
> new file mode 100755
> index 00000000..ebdf8883
> --- /dev/null
> +++ b/tests/xfs/764
> @@ -0,0 +1,93 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +# Copyright (c) 2021 Oracle.  All Rights Reserved.
> +#
> +# FS QA Test No. 764
> +#
> +# Functional testing for xfs_admin to make sure that it handles option parsing
> +# correctly for functionality that's relevant to V5 filesystems.  It doesn't
> +# test the options that apply only to V4 filesystems because that disk format
> +# is deprecated.
> +
> +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()
> +{
> +	cd /
> +	rm -f $tmp.*
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +# real QA test starts here
> +_supported_fs xfs
> +_require_scratch
> +_require_command "$XFS_ADMIN_PROG" "xfs_admin"
> +
> +rm -f $seqres.full
> +
> +note() {
> +	echo "$@" | tee -a $seqres.full
> +}
> +
> +note "S0: Initialize filesystem"
> +_scratch_mkfs -L origlabel -m uuid=babababa-baba-baba-baba-babababababa >> $seqres.full
> +_scratch_xfs_db -c label -c uuid
> +_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"
> +
> +note "S1: Set a filesystem label"
> +_scratch_xfs_admin -L newlabel >> $seqres.full
> +_scratch_xfs_db -c label
> +_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"
> +
> +note "S2: Clear filesystem label"
> +_scratch_xfs_admin -L -- >> $seqres.full
> +_scratch_xfs_db -c label
> +_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"
> +
> +note "S3: Try to set oversized label"
> +_scratch_xfs_admin -L thisismuchtoolongforxfstohandle >> $seqres.full
> +_scratch_xfs_db -c label
> +_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"
> +
> +note "S4: Set filesystem UUID"
> +_scratch_xfs_admin -U deaddead-dead-dead-dead-deaddeaddead >> $seqres.full
> +_scratch_xfs_db -c uuid
> +_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"
> +
> +note "S5: Zero out filesystem UUID"
> +_scratch_xfs_admin -U nil >> $seqres.full
> +_scratch_xfs_db -c uuid
> +_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"
> +
> +note "S6: Randomize filesystem UUID"
> +old_uuid="$(_scratch_xfs_db -c uuid)"
> +_scratch_xfs_admin -U generate >> $seqres.full
> +new_uuid="$(_scratch_xfs_db -c uuid)"
> +if [ "$new_uuid" = "$old_uuid" ]; then
> +	echo "UUID randomization failed? $old_uuid == $new_uuid"
> +fi
> +_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"
> +
> +note "S7: Restore original filesystem UUID"
> +if _check_scratch_xfs_features V5 >/dev/null; then
> +	# Only V5 supports the metauuid feature that enables us to restore the
> +	# original UUID after a change.
> +	_scratch_xfs_admin -U restore >> $seqres.full
> +	_scratch_xfs_db -c uuid
> +else
> +	echo "UUID = babababa-baba-baba-baba-babababababa"
> +fi
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/xfs/764.out b/tests/xfs/764.out
> new file mode 100644
> index 00000000..8da929ec
> --- /dev/null
> +++ b/tests/xfs/764.out
> @@ -0,0 +1,17 @@
> +QA output created by 764
> +S0: Initialize filesystem
> +label = "origlabel"
> +UUID = babababa-baba-baba-baba-babababababa
> +S1: Set a filesystem label
> +label = "newlabel"
> +S2: Clear filesystem label
> +label = ""
> +S3: Try to set oversized label
> +label = "thisismuchto"
> +S4: Set filesystem UUID
> +UUID = deaddead-dead-dead-dead-deaddeaddead
> +S5: Zero out filesystem UUID
> +UUID = 00000000-0000-0000-0000-000000000000
> +S6: Randomize filesystem UUID
> +S7: Restore original filesystem UUID
> +UUID = babababa-baba-baba-baba-babababababa
> diff --git a/tests/xfs/773 b/tests/xfs/773
> new file mode 100755
> index 00000000..f184962a
> --- /dev/null
> +++ b/tests/xfs/773
> @@ -0,0 +1,114 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +# Copyright (c) 2021 Oracle.  All Rights Reserved.
> +#
> +# FS QA Test No. 773
> +#
> +# Functional testing for xfs_admin to ensure that it parses arguments correctly
> +# with regards to data devices that are files, external logs, and realtime
> +# devices.
> +#
> +# Because this test synthesizes log and rt devices (by modifying the test run
> +# configuration), it does /not/ require the ability to mount the scratch
> +# filesystem.  This increases test coverage while isolating the weird bits to a
> +# single test.
> +#
> +# This is partially a regression test for "xfs_admin: pick up log arguments
> +# correctly", insofar as the issue fixed by that patch was discovered with an
> +# earlier revision of this test.
> +
> +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()
> +{
> +	cd /
> +	rm -f $tmp.* $fake_logfile $fake_rtfile $fake_datafile
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +# real QA test starts here
> +_supported_fs xfs
> +_require_test
> +_require_scratch_nocheck
> +_require_command "$XFS_ADMIN_PROG" "xfs_admin"
> +
> +rm -f $seqres.full
> +
> +# Create some fake sparse files for testing external devices and whatnot
> +fake_datafile=$TEST_DIR/scratch.data
> +rm -f $fake_datafile
> +truncate -s 500m $fake_datafile
> +
> +fake_logfile=$TEST_DIR/scratch.log
> +rm -f $fake_logfile
> +truncate -s 500m $fake_logfile
> +
> +fake_rtfile=$TEST_DIR/scratch.rt
> +rm -f $fake_rtfile
> +truncate -s 500m $fake_rtfile
> +
> +# Save the original variables
> +orig_ddev=$SCRATCH_DEV
> +orig_external=$USE_EXTERNAL
> +orig_logdev=$SCRATCH_LOGDEV
> +orig_rtdev=$SCRATCH_RTDEV
> +
> +scenario() {
> +	echo "$@" | tee -a $seqres.full
> +
> +	SCRATCH_DEV=$orig_ddev
> +	USE_EXTERNAL=$orig_external
> +	SCRATCH_LOGDEV=$orig_logdev
> +	SCRATCH_RTDEV=$orig_rtdev
> +}
> +
> +check_label() {
> +	_scratch_mkfs -L oldlabel >> $seqres.full
> +	_scratch_xfs_db -c label
> +	_scratch_xfs_admin -L newlabel "$@" >> $seqres.full
> +	_scratch_xfs_db -c label
> +	_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"
> +}
> +
> +scenario "S1: Check that label setting with file image"
> +SCRATCH_DEV=$fake_datafile
> +check_label -f
> +
> +scenario "S2: Check that setting with logdev works"
> +USE_EXTERNAL=yes
> +SCRATCH_LOGDEV=$fake_logfile
> +check_label
> +
> +scenario "S3: Check that setting with rtdev works"
> +USE_EXTERNAL=yes
> +SCRATCH_RTDEV=$fake_rtfile
> +check_label
> +
> +scenario "S4: Check that setting with rtdev + logdev works"
> +USE_EXTERNAL=yes
> +SCRATCH_LOGDEV=$fake_logfile
> +SCRATCH_RTDEV=$fake_rtfile
> +check_label
> +
> +scenario "S5: Check that setting with nortdev + nologdev works"
> +USE_EXTERNAL=
> +SCRATCH_LOGDEV=
> +SCRATCH_RTDEV=
> +check_label
> +
> +scenario "S6: Check that setting with bdev incorrectly flagged as file works"
> +check_label -f
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/xfs/773.out b/tests/xfs/773.out
> new file mode 100644
> index 00000000..954bfb85
> --- /dev/null
> +++ b/tests/xfs/773.out
> @@ -0,0 +1,19 @@
> +QA output created by 773
> +S1: Check that label setting with file image
> +label = "oldlabel"
> +label = "newlabel"
> +S2: Check that setting with logdev works
> +label = "oldlabel"
> +label = "newlabel"
> +S3: Check that setting with rtdev works
> +label = "oldlabel"
> +label = "newlabel"
> +S4: Check that setting with rtdev + logdev works
> +label = "oldlabel"
> +label = "newlabel"
> +S5: Check that setting with nortdev + nologdev works
> +label = "oldlabel"
> +label = "newlabel"
> +S6: Check that setting with bdev incorrectly flagged as file works
> +label = "oldlabel"
> +label = "newlabel"
> diff --git a/tests/xfs/group b/tests/xfs/group
> index 461ae2b2..a2309465 100644
> --- a/tests/xfs/group
> +++ b/tests/xfs/group
> @@ -522,5 +522,7 @@
>   537 auto quick
>   538 auto stress
>   539 auto quick mount
> +764 auto quick repair
>   768 auto quick repair
>   770 auto repair
> +773 auto quick repair
>