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-rw-r--r--test/config.py10
-rw-r--r--test/test_vm_vpp_interfaces.py5
-rw-r--r--test/vpp_qemu_utils.py26
3 files changed, 39 insertions, 2 deletions
diff --git a/test/config.py b/test/config.py
index 578cc40fa2a..5d2ef1dab4f 100644
--- a/test/config.py
+++ b/test/config.py
@@ -2,6 +2,7 @@ import argparse
import os
import psutil
import time
+from vpp_qemu_utils import can_create_namespaces
def positive_int_or_default(default):
@@ -191,6 +192,11 @@ parser.add_argument(
)
parser.add_argument("--extended", action="store_true", help="run extended tests")
+parser.add_argument(
+ "--skip-netns-tests",
+ action="store_true",
+ help="skip tests involving netns operations",
+)
parser.add_argument(
"--sanity", action="store_true", help="perform sanity vpp run before running tests"
@@ -444,6 +450,10 @@ elif config.max_vpp_cpus > 0:
else:
max_vpp_cpus = num_cpus
+if not config.skip_netns_tests:
+ if not can_create_namespaces():
+ config.skip_netns_tests = True
+
if __name__ == "__main__":
print("Provided arguments:")
for i in config.__dict__:
diff --git a/test/test_vm_vpp_interfaces.py b/test/test_vm_vpp_interfaces.py
index f87a48aef37..6866c24d228 100644
--- a/test/test_vm_vpp_interfaces.py
+++ b/test/test_vm_vpp_interfaces.py
@@ -63,6 +63,9 @@ layer3 = test_config["L3"]
def create_test(test_name, test, ip_version, mtu):
"""Create and return a unittest method for a test."""
+ @unittest.skipIf(
+ config.skip_netns_tests, "netns not available or disabled from cli"
+ )
def test_func(self):
self.logger.debug(f"Starting unittest:{test_name}")
self.setUpTestToplogy(test=test, ip_version=ip_version)
@@ -97,6 +100,8 @@ def create_test(test_name, test, ip_version, mtu):
def generate_vpp_interface_tests():
"""Generate unittests for testing vpp interfaces."""
+ if config.skip_netns_tests:
+ print("Skipping netns tests")
for test in tests:
for ip_version in test_config["ip_versions"]:
for mtu in test_config["mtus"]:
diff --git a/test/vpp_qemu_utils.py b/test/vpp_qemu_utils.py
index 5c433201650..cb1a0dd9f4c 100644
--- a/test/vpp_qemu_utils.py
+++ b/test/vpp_qemu_utils.py
@@ -6,6 +6,22 @@ import subprocess
import sys
+def can_create_namespaces():
+ """Check if the environment allows creating the namespaces"""
+
+ try:
+ namespace = "vpp_chk_4212"
+ result = subprocess.run(["ip", "netns", "add", namespace], capture_output=True)
+ if result.returncode != 0:
+ return False
+ result = subprocess.run(["ip", "netns", "del", namespace], capture_output=True)
+ if result.returncode != 0:
+ return False
+ return True
+ except:
+ return False
+
+
def create_namespace(ns):
"""create one or more namespaces.
@@ -18,7 +34,9 @@ def create_namespace(ns):
namespaces = ns
try:
for namespace in namespaces:
- subprocess.run(["ip", "netns", "add", namespace])
+ result = subprocess.run(["ip", "netns", "add", namespace])
+ if result.returncode != 0:
+ raise Exception(f"Error while creating namespace {namespace}")
except subprocess.CalledProcessError as e:
raise Exception("Error creating namespace:", e.output)
@@ -207,7 +225,11 @@ def delete_namespace(namespaces):
"""
try:
for namespace in namespaces:
- subprocess.run(["ip", "netns", "del", namespace], capture_output=True)
+ result = subprocess.run(
+ ["ip", "netns", "del", namespace], capture_output=True
+ )
+ if result.returncode != 0:
+ raise Exception(f"Error while deleting namespace {namespace}")
except subprocess.CalledProcessError as e:
raise Exception("Error deleting namespace:", e.output)