overlay: run unionmount testsuite test cases

[xfstests-dev.git] / common / overlay

diff --git a/common/overlay b/common/overlay
index f8e1e27fd8f945b50bdbc830b4b6582b6e88e272..5e6a7e0f6adad5f3cde15e3a4edd3e4387dc8edf 100644 (file)
--- a/common/overlay
+++ b/common/overlay
@@ -363,3 +363,57 @@ _repair_overlay_scratch_fs()
        esac
        return $res
 }
+
+# This test requires that unionmount testsuite is installed at
+# $UNIONMOUNT_TESTSUITE and that it supports configuring layers and overlay
+# mount paths via UNIONMOUNT_* environment variables.
+_require_unionmount_testsuite()
+{
+       [ -x "$UNIONMOUNT_TESTSUITE/run" ] || \
+               _notrun "unionmount testsuite required."
+
+       # Verify that UNIONMOUNT_* vars are supported
+       local usage=`UNIONMOUNT_BASEDIR=_ "$UNIONMOUNT_TESTSUITE/run" 2>&1`
+       echo $usage | grep -wq "UNIONMOUNT_BASEDIR" || \
+               _notrun "newer version of unionmount testsuite required."
+}
+
+_unionmount_testsuite_run()
+{
+       [ "$FSTYP" = overlay ] || \
+               _notrun "Filesystem $FSTYP not supported with unionmount testsuite."
+
+       # Provide the mounted base fs for upper and lower dirs and the
+       # overlay mount point.
+       # unionmount testsuite will perform the overlay mount.
+       # test fs is used for lower layer in non-samefs runs.
+       # scratch fs is used for upper layer in non-samefs runs and
+       # for both layers in samefs runs.
+       if (echo $* | grep -qv samefs) ; then
+               _overlay_base_test_mount
+               export UNIONMOUNT_LOWERDIR=$OVL_BASE_TEST_DIR/union
+       fi
+       export UNIONMOUNT_BASEDIR=$OVL_BASE_SCRATCH_MNT/union
+
+       _scratch_mkfs
+       rm -rf $UNIONMOUNT_BASEDIR $UNIONMOUNT_LOWERDIR
+       mkdir -p $UNIONMOUNT_BASEDIR $UNIONMOUNT_LOWERDIR
+
+       cd $UNIONMOUNT_TESTSUITE
+       echo "run $* ..." > $seqres.full
+       ./run $* >> $seqres.full || \
+               echo "unionmount testsuite failed! see $seqres.full for details."
+}
+
+_unionmount_testsuite_cleanup()
+{
+       cd /
+       rm -f $tmp.*
+
+       [ -n "$UNIONMOUNT_BASEDIR" ] || return 0
+
+       # Cleanup overlay mount after unionmount testsuite run
+       cd $UNIONMOUNT_TESTSUITE
+       echo "run --clean-up ..." >> $seqres.full
+       ./run --clean-up >> $seqres.full 2>&1
+}