diff --git a/test/networkd-test.py b/test/networkd-test.py index 5ec670a733..131b48f611 100755 --- a/test/networkd-test.py +++ b/test/networkd-test.py @@ -37,16 +37,36 @@ NETWORKD_WAIT_ONLINE = shutil.which('systemd-networkd-wait-online', RESOLV_CONF = '/run/systemd/resolve/resolv.conf' +tmpmounts = [] +running_units = [] +stopped_units = [] + def setUpModule(): + global tmpmounts + """Initialize the environment, and perform sanity checks on it.""" if NETWORKD_WAIT_ONLINE is None: raise OSError(errno.ENOENT, 'systemd-networkd-wait-online not found') - # Do not run any tests if the system is using networkd already. - if subprocess.call(['systemctl', 'is-active', '--quiet', - 'systemd-networkd.service']) == 0: - raise unittest.SkipTest('networkd is already active') + # Do not run any tests if the system is using networkd already and it's not virtualized + if (subprocess.call(['systemctl', 'is-active', '--quiet', 'systemd-networkd.service']) == 0 and + subprocess.call(['systemd-detect-virt', '--quiet']) != 0): + raise unittest.SkipTest('not virtualized and networkd is already active') + # Ensure we don't mess with an existing networkd config + for u in ['systemd-networkd.socket', 'systemd-networkd', 'systemd-resolved']: + if subprocess.call(['systemctl', 'is-active', '--quiet', u]) == 0: + subprocess.call(['systemctl', 'stop', u]) + running_units.append(u) + else: + stopped_units.append(u) + for d in ['/etc/systemd/network', '/run/systemd/network', + '/run/systemd/netif', '/run/systemd/resolve']: + if os.path.isdir(d): + subprocess.check_call(["mount", "-t", "tmpfs", "none", d]) + tmpmounts.append(d) + if os.path.isdir('/run/systemd/resolve'): + os.chmod('/run/systemd/resolve', 0o755) # Avoid "Failed to open /dev/tty" errors in containers. os.environ['SYSTEMD_LOG_TARGET'] = 'journal' @@ -60,6 +80,16 @@ def setUpModule(): subprocess.check_call(['adduser', '--system', '--no-create-home', 'systemd-network']) +def tearDownModule(): + global tmpmounts + for d in tmpmounts: + subprocess.check_call(["umount", d]) + for u in stopped_units: + subprocess.call(["systemctl", "stop", u]) + for u in running_units: + subprocess.call(["systemctl", "restart", u]) + + class NetworkdTestingUtilities: """Provide a set of utility functions to facilitate networkd tests.