tests: add test for duplicate pvsdev-dct-duplicate-test

1 files changed, 104 insertions, 0 deletions

diff --git a/test/shell/process-each-duplicate-pvs.sh b/test/shell/process-each-duplicate-pvs.sh
new file mode 100644
index 000000000..77ffa45f9
--- /dev/null
+++ b/test/shell/process-each-duplicate-pvs.sh
@@ -0,0 +1,104 @@
+#!/bin/sh
+# Copyright (C) 2008-2013 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+
+test_description='Test duplicate PVs'
+
+. lib/inittest
+
+aux prepare_devs 2
+
+pvcreate "$dev1"
+vgcreate $vg1 "$dev1"
+
+# Clone the PV
+dd if="$dev1" of="$dev2" bs=256K count=1 iflag=direct oflag=direct
+aux notify_lvmetad "$dev2"
+
+# When there cloned devices (same pvid), one will be referenced in
+# lvmcache as pv->dev, and the other will not be referenced from lvmcache,
+# it'll only be in device cache.  The one referenced by lvmcache is
+# referred to as the "preferred" one, and is the one that is printed by a
+# standard 'pvs' command.
+#
+# We don't know if dev1 or dev2 will be preferred, so we first check that
+# and save it as PV1, the other as PV2.
+
+# Verify that there is only one PV printed, i.e. the preferred
+pvs --noheading | tee out
+test $(wc -l < out) -eq 1
+
+# Set PV1 to the perferred/cached PV, and PV2 to the other.
+# Cannot use pvs -o pv_name because that command goes to
+# disk and does not represent what lvmetad thinks.
+PV1=$(pvs --noheading | awk '{ print $1 }')
+echo PV1 is $PV1
+if [ $PV1 == $dev1 ]; then
+	PV2=$dev2
+else
+	PV2=$dev1
+fi
+echo PV2 is $PV2
+
+# check listed pvs
+pvs --noheading | tee out
+grep $PV1 out
+not grep $PV2 out
+
+# check error messages
+pvs --noheading |& tee out
+grep "Found duplicate" out >err
+grep "using $PV1 not $PV2" err
+
+# check listed pvs
+pvs --noheading "$dev1" | tee out
+grep $PV1 out
+not grep $PV2 out
+
+# check error messages
+pvs --noheading "$dev1" |& tee out
+grep "Found duplicate" out >err
+grep "using $PV1 not $PV2" err
+
+# check listed pvs
+pvs --noheading "$dev2" | tee out
+grep $PV1 out
+not grep $PV2 out
+
+# check error messages
+pvs --noheading "$dev2" |& tee out
+grep "Found duplicate" out >err
+grep "using $PV1 not $PV2" err
+
+# check listed pvs
+pvs --noheading "$dev1" "$dev2" | tee out
+grep $PV1 out
+grep $PV2 out
+
+# check error messages
+pvs --noheading "$dev1" "$dev2" |& tee out
+grep "Found duplicate" out >err
+grep "using $PV1 not $PV2" err
+
+# check listed pvs
+pvs --noheading -a | tee out
+grep $PV1 out
+grep $PV2 out
+grep $PV1 out | grep $vg1
+grep $PV2 out | grep $vg1
+
+# check error messages
+pvs --noheading -a |& tee out
+grep "Found duplicate" out >err
+grep "using $PV1 not $PV2" err
+
+
+# TODO: I'd like to test that a subsystem device is preferred
+# over a non-subsystem device, but all the devices used here
+# are DM devices, i.e. they are already subsystem devices,
+# so I can't just wrap a standard block device with a DM
+# identity mapping.
+