[PATCH 05/10 v2] xfstests: Allow to re-read configuration

[Chandra Seetharaman]

Reviewed-by: Chandra Seetharaman <sekharan at us.ibm.com>

On Thu, 2013-07-11 at 12:38 +0200, Lukas Czerner wrote:
> Move configuration initialization into a function so we can re-read it
> without the need to reinclude the common/config file which would be
> ugly. This is in preparation for adding support for sections into config
> files.
> 
> Signed-off-by: Lukas Czerner <lczerner at redhat.com>
> ---
>  common/config | 104 +++++++++++++++++++++++++++++++---------------------------
>  1 file changed, 55 insertions(+), 49 deletions(-)
> 
> diff --git a/common/config b/common/config
> index 1679acf..34c99e1 100644
> --- a/common/config
> +++ b/common/config
> @@ -214,64 +214,70 @@ esac
> 
>  known_hosts()
>  {
> -  [ "$HOST_CONFIG_DIR" ] || HOST_CONFIG_DIR=`pwd`/configs
> -
> -  [ -f /etc/xfsqa.config ]             && . /etc/xfsqa.config
> -  [ -f $HOST_CONFIG_DIR/$HOST ]        && . $HOST_CONFIG_DIR/$HOST
> -  [ -f $HOST_CONFIG_DIR/$HOST.config ] && . $HOST_CONFIG_DIR/$HOST.config
> -
> -  #  Mandatory Config values.
> -  MC=""
> -  [ -z "$EMAIL" ]          && MC="$MC EMAIL"
> -  [ -z "$TEST_DIR" ]       && MC="$MC TEST_DIR"
> -  [ -z "$TEST_DEV" ]       && MC="$MC TEST_DEV"
> -
> -  if [ -n "$MC" ]; then
> -    echo "Warning: need to define parameters for host $HOST"
> -    echo "       or set variables:"
> -    echo "       $MC"
> -    exit 1
> -  fi
> +	[ "$HOST_CONFIG_DIR" ] || HOST_CONFIG_DIR=`pwd`/configs
> +
> +	[ -f /etc/xfsqa.config ]             && export HOST_OPTIONS=/etc/xfsqa.config
> +	[ -f $HOST_CONFIG_DIR/$HOST ]        && export HOST_OPTIONS=$HOST_CONFIG_DIR/$HOST
> +	[ -f $HOST_CONFIG_DIR/$HOST.config ] && export HOST_OPTIONS=$HOST_CONFIG_DIR/$HOST.config
>  }
> 
> -if [ -f "$HOST_OPTIONS" ]; then
> -    . "$HOST_OPTIONS"
> -else
> -    known_hosts
> +if [ ! -f "$HOST_OPTIONS" ]; then
> +	known_hosts
>  fi
> 
> -echo $TEST_DEV | grep -q ":" > /dev/null 2>&1
> -if [ ! -b "$TEST_DEV" -a "$?" != "0" ]; then
> -    echo "common/config: Error: \$TEST_DEV ($TEST_DEV) is not a block device or a NFS filesystem"
> -    exit 1
> +if [ -f "$HOST_OPTIONS" ]; then
> +	. $HOST_OPTIONS
>  fi
> 
> -if [ ! -d "$TEST_DIR" ]; then
> -    echo "common/config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
> -    exit 1
> -fi
> +get_next_config() {
> +	#  Mandatory Config values.
> +	MC=""
> +	[ -z "$EMAIL" ]          && MC="$MC EMAIL"
> +	[ -z "$TEST_DIR" ]       && MC="$MC TEST_DIR"
> +	[ -z "$TEST_DEV" ]       && MC="$MC TEST_DEV"
> +
> +	if [ -n "$MC" ]; then
> +		echo "Warning: need to define parameters for host $HOST"
> +		echo "       or set variables:"
> +		echo "       $MC"
> +		exit 1
> +	fi
> 
> -# a btrfs tester will set only SCRATCH_DEV_POOL, we will put first of its dev
> -# to SCRATCH_DEV and rest to SCRATCH_DEV_POOL to maintain the backward compatibility
> -if [ ! -z "$SCRATCH_DEV_POOL" ]; then
> -    if [ ! -z "$SCRATCH_DEV" ]; then
> -        echo "common/config: Error: \$SCRATCH_DEV should be unset when \$SCRATCH_DEV_POOL is set"
> -        exit 1
> -    fi
> -    SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'`
> -    SCRATCH_DEV_POOL=`echo $SCRATCH_DEV_POOL | awk '{ ORS=" "; for (i = 2; i <= NF; i++) print $i}'`
> -fi
> +	echo $TEST_DEV | grep -q ":" > /dev/null 2>&1
> +	if [ ! -b "$TEST_DEV" -a "$?" != "0" ]; then
> +		echo "common/config: Error: \$TEST_DEV ($TEST_DEV) is not a block device or a NFS filesystem"
> +		exit 1
> +	fi
> 
> -echo $SCRATCH_DEV | grep -q ":" > /dev/null 2>&1
> -if [ ! -z "$SCRATCH_DEV" -a ! -b "$SCRATCH_DEV" -a "$?" != "0" ]; then
> -    echo "common/config: Error: \$SCRATCH_DEV ($SCRATCH_DEV) is not a block device or a NFS filesystem"
> -    exit 1
> -fi
> +	if [ ! -d "$TEST_DIR" ]; then
> +		echo "common/config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
> +		exit 1
> +	fi
> 
> -if [ ! -z "$SCRATCH_MNT" -a ! -d "$SCRATCH_MNT" ]; then
> -    echo "common/config: Error: \$SCRATCH_MNT ($SCRATCH_MNT) is not a directory"
> -    exit 1
> -fi
> +	# a btrfs tester will set only SCRATCH_DEV_POOL, we will put first of its dev
> +	# to SCRATCH_DEV and rest to SCRATCH_DEV_POOL to maintain the backward compatibility
> +	if [ ! -z "$SCRATCH_DEV_POOL" ]; then
> +		if [ ! -z "$SCRATCH_DEV" ]; then
> +			echo "common/config: Error: \$SCRATCH_DEV should be unset when \$SCRATCH_DEV_POOL is set"
> +			exit 1
> +		fi
> +		SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'`
> +		SCRATCH_DEV_POOL=`echo $SCRATCH_DEV_POOL | awk '{ ORS=" "; for (i = 2; i <= NF; i++) print $i}'`
> +	fi
> +
> +	echo $SCRATCH_DEV | grep -q ":" > /dev/null 2>&1
> +	if [ ! -z "$SCRATCH_DEV" -a ! -b "$SCRATCH_DEV" -a "$?" != "0" ]; then
> +		echo "common/config: Error: \$SCRATCH_DEV ($SCRATCH_DEV) is not a block device or a NFS filesystem"
> +		exit 1
> +	fi
> +
> +	if [ ! -z "$SCRATCH_MNT" -a ! -d "$SCRATCH_MNT" ]; then
> +		echo "common/config: Error: \$SCRATCH_MNT ($SCRATCH_MNT) is not a directory"
> +		exit 1
> +	fi
> +}
> +
> +get_next_config
> 
>  # make sure this script returns success
>  /bin/true