osmith has uploaded this change for review.

View Change

bsc: testenv: set MTU=1500 for lo

Two tests are failing if the MTU is 65536 instead of 1500. This should
be analyzed more and fixed, but first let's adjust the testenv config so
the behavior of the test environment is the same as with
docker-playground.

Related: OS#6602
Change-Id: Ifeda66954263fe8d2637377d0701a2208a19c332
---
A _testenv/data/scripts/podman_set_lo_mtu.sh
M _testenv/testenv/podman.py
M bsc/testenv_generic.cfg
3 files changed, 14 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/46/38546/1

diff --git a/_testenv/data/scripts/podman_set_lo_mtu.sh b/_testenv/data/scripts/podman_set_lo_mtu.sh
new file mode 100755
index 0000000..ed91762
--- /dev/null
+++ b/_testenv/data/scripts/podman_set_lo_mtu.sh
@@ -0,0 +1,11 @@
+#!/bin/sh -e
+# Change the MTU for the loopback device, but only when running in podman (as
+# we don't want to just make this change for the host without asking). This
+# is used as workaround for OS#6602 where we have some tests that don't pass if
+# the MTU=65536, the default of lo.
+
+MTU="$1"
+
+if [ "$PODMAN" = 1 ]; then
+	sudo ip link set dev lo mtu "$1"
+fi
diff --git a/_testenv/testenv/podman.py b/_testenv/testenv/podman.py
index faa1837..4788076 100644
--- a/_testenv/testenv/podman.py
+++ b/_testenv/testenv/podman.py
@@ -215,6 +215,8 @@
         "net.ipv4.conf.all.send_redirects=0",  # OS#6575
         "--sysctl",
         "net.ipv4.conf.default.send_redirects=0",  # OS#6575
+        "-e",
+        "PODMAN=1",
     ]
 
     if not testenv.args.binary_repo:
diff --git a/bsc/testenv_generic.cfg b/bsc/testenv_generic.cfg
index d453f55..b4ed393 100644
--- a/bsc/testenv_generic.cfg
+++ b/bsc/testenv_generic.cfg
@@ -1,4 +1,5 @@
 [testsuite]
+prepare=podman_set_lo_mtu.sh 1500 # OS#6602
 program=BSC_Tests
 config=BSC_Tests.cfg
 

To view, visit change 38546. To unsubscribe, or for help writing mail filters, visit settings.