Re: [PATCH] tests/env-ddf-template: helper for new unit test

[NeilBrown <neilb@suse.de>]

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On Wed, 31 Jul 2013 07:36:32 +0200 mwilck@arcor.de wrote:

> From: Martin Wilck <mwilck@arcor.de>
> 
> I forgot to check in this helper script, similar to the one for IMSM.
> It is needed by tests/10ddf-create-fail-rebuild.
> 
> Signed-off-by: Martin Wilck <mwilck@arcor.de>
> ---
>  tests/env-ddf-template |   76 ++++++++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 76 insertions(+), 0 deletions(-)
>  create mode 100644 tests/env-ddf-template
> 
> diff --git a/tests/env-ddf-template b/tests/env-ddf-template
> new file mode 100644
> index 0000000..28e19d0
> --- /dev/null
> +++ b/tests/env-ddf-template
> @@ -0,0 +1,76 @@
> +ddf_check() {
> +    udevadm settle
> +    case $1 in
> +    container )
> +        grep -s "blocks super external:ddf" /proc/mdstat > /dev/null || {
> +            echo >&2 "**Fatal** Correctly formed container not found"; cat /proc/mdstat; exit 1; }
> +        ;;
> +    member )
> +        t_member=$2
> +        t_num_disks=$3
> +        t_level=$4
> +        t_rd_size=$5
> +        t_size=$6
> +        t_offset=$7
> +        t_chunk=$8
> +	t_layout=$9
> +	
> +	if [ $t_chunk -ne 0 ]; then
> +	    t_rd_size=$((t_rd_size & ~(t_chunk - 1)))
> +        fi
> +	case $t_level in
> +	0) t_size=$((t_num_disks*$t_rd_size));;
> +	1) t_size=$t_rd_size;;
> +	4|5) t_size=$(((t_num_disks-1)*$t_rd_size));;
> +	6) t_size=$(((t_num_disks-2)*$t_rd_size));;
> +	10) t_size=$((t_num_disks*$t_rd_size/t_layout));;
> +	esac
> +
> +        err=0
> +
> +        eval `stat -L -c "let major=0x%t; let minor=0x%T;" $t_member`
> +        sysfs=/sys/dev/block/${major}:${minor}
> +        if [ ! -f ${sysfs}/md/array_state ]; then
> +            echo "**Fatal**: Array member $t_member not found" >&2; cat /proc/mdstat >&2; exit 1
> +        fi
> +        _chunk=`cat ${sysfs}/md/chunk_size`
> +        if [ $t_chunk -ne $((_chunk/1024)) ]; then
> +            echo "**Error**: Chunk size mismatch - expected $t_chunk, actual $_chunk" >&2
> +            err=$((err + 1))
> +        fi
> +        for i in `seq 0 $((t_num_disks - 1))`; do
> +	    _offset=`cat ${sysfs}/md/rd${i}/offset`
> +	    if [ $t_offset -ne $((_offset / 2)) ]; then
> +		echo "**Error**: Offset mismatch - expected $t_offset, actual $((_offset/2))" >&2
> +		err=$((err + 1))
> +	    fi
> +	    _rd_size=`cat ${sysfs}/md/rd${i}/size`
> +	    if [ $t_rd_size -ne $_rd_size ]; then
> +		echo "**Error**: Component size mismatch - expected $t_rd_size, actual $_rd_size" >&2
> +		err=$((err + 1))
> +	    fi
> +        done
> +        _size=`cat ${sysfs}/md/array_size`
> +	[ o$_size = odefault ] && _size=$(($(cat ${sysfs}/size)/2))
> +        if [ $t_size -ne $_size ]; then
> +            echo "**Error**: Array size mismatch - expected $t_size, actual $_size" >&2
> +            err=$((err + 1))
> +        fi
> +        if [ $err -gt 0 ]; then
> +            echo "$t_member failed check" >&2
> +            cat /proc/mdstat >&2
> +            mdadm -E /dev/loop8 >&2
> +            exit 1
> +        fi
> +        ;;
> +    * )
> +        echo >&2 "**Error** unknown check $1"; exit 1;
> +    esac
> +}
> +
> +container=/dev/md/ddf
> +member0=/dev/md/vol0
> +member1=/dev/md/vol1
> +member2=/dev/md/vol2
> +member3=/dev/md/vol3
> +member4=/dev/md/vol4


applied, thanks.

NeilBrown

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