* renamed "dummy0" to "dummy_test0" to not collide with existing
interfaces
* added test case which checks that only "localhost" and "dummy"
interfaces are seen in /sys/class/net/ after mounting sysfs
in a new namespace
Signed-off-by: Matus Marhefka <mmarh...@redhat.com>
---
testcases/kernel/containers/netns/netns_sysfs.sh | 39 +++++++++++++++++++-----
1 file changed, 31 insertions(+), 8 deletions(-)
diff --git a/testcases/kernel/containers/netns/netns_sysfs.sh
b/testcases/kernel/containers/netns/netns_sysfs.sh
index c10fa36..a58495e 100755
--- a/testcases/kernel/containers/netns/netns_sysfs.sh
+++ b/testcases/kernel/containers/netns/netns_sysfs.sh
@@ -23,13 +23,14 @@
#==============================================================================
TCID="netns_sysfs"
-TST_TOTAL=2
+TST_TOTAL=3
+DUMMYDEV="dummy_test0"
. test.sh
cleanup()
{
tst_rmdir
- ip link del dummy0 2>/dev/null
+ ip link del $DUMMYDEV 2>/dev/null
kill -9 $NS_HANDLE 2>/dev/null
}
@@ -43,23 +44,45 @@ TST_CLEANUP=cleanup
ls /sys/class/net >sysfs_before
-ns_exec $NS_HANDLE ip link add dummy0 type dummy || \
+ns_exec $NS_HANDLE ip link add $DUMMYDEV type dummy || \
tst_brkm TBROK "failed to add a new dummy device"
ns_exec $NS_HANDLE mount -t sysfs none /sys 2>/dev/null
-ns_exec $NS_HANDLE test -d /sys/class/net/dummy0
+
+# TEST CASE #1
+ns_exec $NS_HANDLE test -d "/sys/class/net/$DUMMYDEV"
if [ $? -eq 0 ]; then
- tst_resm TPASS "sysfs in new namespace has dummy0 interface"
+ tst_resm TPASS "sysfs in new namespace has $DUMMYDEV interface"
+else
+ tst_resm TFAIL "sysfs in new namespace does not have $DUMMYDEV
interface"
+fi
+
+
+# TEST CASE #2
+res=0
+classnet=$(ns_exec $NS_HANDLE ls /sys/class/net/)
+for d in $classnet; do
+ if [ "$d" != "lo" ]; then
+ if [ "$d" != $DUMMYDEV ]; then
+ tst_resm TINFO "sysfs in new namespace should not
contain: $d"
+ res=1
+ fi
+ fi
+done
+if [ $res -eq 0 ]; then
+ tst_resm TPASS "sysfs in new namespace has only lo and $DUMMYDEV
interfaces"
else
- tst_resm TFAIL "sysfs in new namespace does not have dummy0 interface"
+ tst_resm TFAIL "sysfs in new namespace has more than lo and $DUMMYDEV
interfaces"
fi
+
+# TEST CASE #3
ls /sys/class/net >sysfs_after
diff sysfs_before sysfs_after
if [ $? -eq 0 ]; then
- tst_resm TPASS "sysfs not affected by a separate namespace"
+ tst_resm TPASS "main sysfs not affected by a separate namespace"
else
- tst_resm TFAIL "sysfs affected by a separate namespace"
+ tst_resm TFAIL "main sysfs affected by a separate namespace"
fi
tst_exit
--
1.8.3.1
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