util-linux/0010-tests-make-lsns-netnsid-portable.patch

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From b48e972b3aa32710ed0495c35b2184f5d3ec9eb0 Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Fri, 30 Nov 2018 12:24:15 +0100
Subject: [PATCH 10/14] tests: make lsns-netnsid portable
It seems ip(8) link-show command does not provide link-netnsid in all
cases (versions ?). Let's try to use "ip netns list-id" as fallback.
This commit also add possibility to debug the script by $LOG variable.
Addresses: http://bugzilla.redhat.com/show_bug.cgi?id=1656437
Upstream: http://github.com/karelzak/util-linux/commit/0d79f5805ff2d7651ec70b06753e908cc782857a
Signed-off-by: Karel Zak <kzak@redhat.com>
---
tests/ts/lsns/netnsid | 26 +++++++++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)
diff --git a/tests/ts/lsns/netnsid b/tests/ts/lsns/netnsid
index 72c14de6c..9d04f28f0 100755
--- a/tests/ts/lsns/netnsid
+++ b/tests/ts/lsns/netnsid
@@ -36,6 +36,7 @@ vethb=lsns-vethb
NS=LSNS-TEST-NETNSID-NS
FIFO=$TS_OUTDIR/FIFO-NETNSID
NULL=/dev/null
+LOG=/dev/null #/root/foo.log
function cleanup {
ip link delete $vetha 2> $NULL || :
@@ -43,24 +44,47 @@ function cleanup {
rm -f $FIFO
}
+echo "==Cleanup" >> $LOG
cleanup
+
+echo "==Create FIFO" >> $LOG
mkfifo $FIFO
+echo "==Netns ADD" >> $LOG
if ip netns add $NS &&
ip link add name $vetha type veth peer name $vethb &&
ip link set $vethb netns $NS; then
+ echo "===Netns EXEC" >> $LOG
ip netns exec $NS dd if=$FIFO bs=1 count=2 of=$NULL 2> $NULL &
PID=$!
+ echo "====PID=$PID" >> $LOG
else
cleanup
ts_skip "failed to initialize"
fi
{
+ echo "==Write to FIFO" >> $LOG
dd if=/dev/zero bs=1 count=1 2> $NULL
{
- ip -o link show dev $vetha > $NULL
+ echo "===IP output" >> $LOG
+ ip -o link show dev $vetha >> $LOG
+
IP_ID=$(ip -o link show dev $vetha | sed -ne 's/.* *link-netnsid *\([0-9]*\)/\1/p')
+ echo "====ip show: IP_ID=$IP_ID" >> $LOG
+
+ if [ "x$IP_ID" = "x" ]; then
+ echo "===IP output list id" >> $LOG
+ ip netns list-id >> $LOG
+
+ IP_ID=$(ip netns list-id | awk "/name: $NS/ { print \$2 }")
+ echo "====ip list-id: IP_ID=$IP_ID" >> $LOG
+ fi
+
+ echo "===LSNS output" >> $LOG
+ $TS_CMD_LSNS -o+NETNSID,NSFS --type net >> $LOG
+
LSNS_ID=$($TS_CMD_LSNS -n -o NETNSID --type net --task $PID | { read VAL; echo $VAL; } )
+ echo "===LSNS_ID=$LSNS_ID" >> $LOG
}
dd if=/dev/zero bs=1 count=1 2> $NULL
} > $FIFO
--
2.17.2