def vtysh_cmd(self, command, isjson=False, daemon=None):
"""
Runs the provided command string in the vty shell and returns a string
with the response.
This function also accepts multiple commands, but this mode does not
return output for each command. See vtysh_multicmd() for more details.
"""
# Detect multi line commands
if command.find('\n') != -1:
return self.vtysh_multicmd(command, daemon=daemon)
dparam = ''
if daemon is not None:
dparam += '-d {}'.format(daemon)
vtysh_command = 'vtysh {} -c "{}" 2>/dev/null'.format(dparam, command)
output = self.run(vtysh_command)
self.logger.info('\nvtysh command => {}\nvtysh output <= {}'.format(
command, output))
if isjson is False:
return output
try:
return json.loads(output)
except ValueError:
logger.warning('vtysh_cmd: failed to convert json output')
return {}
def test_pe2_converge_evpn():
"Wait for protocol convergence"
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
pe2 = tgen.gears["PE2"]
json_file = "{}/{}/evpn.vni.json".format(CWD, pe2.name)
expected = json.loads(open(json_file).read())
test_func = partial(show_vni_json_elide_ifindex, pe2, 101, expected)
_, result = topotest.run_and_expect(test_func, None, count=45, wait=1)
assertmsg = '"{}" JSON output mismatches'.format(pe2.name)
assert result is None, assertmsg
test_func = partial(
check_vni_macs_present,
tgen,
pe2,
101,
(("host1", "host1-eth0"), ("host2", "host2-eth0")),
)
_, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
if result:
logger.warning("%s", result)
assert None, '"{}" missing expected MACs'.format(pe2.name)
def vtysh_cmd(self, command, isjson=False, daemon=None):
"""
Runs the provided command string in the vty shell and returns a string
with the response.
This function also accepts multiple commands, but this mode does not
return output for each command. See vtysh_multicmd() for more details.
"""
# Detect multi line commands
if command.find('\n') != -1:
return self.vtysh_multicmd(command, daemon=daemon)
dparam = ''
if daemon is not None:
dparam += '-d {}'.format(daemon)
vtysh_command = 'vtysh {} -c "{}" 2>/dev/null'.format(dparam, command)
output = self.run(vtysh_command)
self.logger.info('\nvtysh command => {}\nvtysh output <= {}'.format(
command, output))
if isjson is False:
return output
try:
return json.loads(output)
except ValueError:
logger.warning('vtysh_cmd: failed to convert json output')
return {}
def setup_module(self, mod):
"Sets up the pytest environment"
# This function initiates the topology build with Topogen...
tgen = Topogen(customize.build_topo, mod.__name__)
# ... and here it calls Mininet initialization functions.
tgen.start_topology()
self.logdir = tgen.logdir
logger.info("Topology started")
try:
self.prestarthooksuccess = customize.ltemplatePreRouterStartHook()
except AttributeError:
# not defined
logger.debug("ltemplatePreRouterStartHook() not defined")
if self.prestarthooksuccess != True:
logger.info("ltemplatePreRouterStartHook() failed, skipping test")
return
# This is a sample of configuration loading.
router_list = tgen.routers()
# For all registered routers, load the zebra configuration file
for rname, router in router_list.items():
logger.info("Setting up %s" % rname)
for rd_val in TopoRouter.RD:
config = os.path.join(
self.testdir, "{}/{}.conf".format(rname,
TopoRouter.RD[rd_val]))
prog = os.path.join(tgen.net[rname].daemondir,
TopoRouter.RD[rd_val])
if os.path.exists(config):
if os.path.exists(prog):
router.load_config(rd_val, config)
else:
logger.warning(
"{} not found, but have {}.conf file".format(
prog, TopoRouter.RD[rd_val]))
# After loading the configurations, this function loads configured daemons.
logger.info("Starting routers")
tgen.start_router()
try:
self.poststarthooksuccess = customize.ltemplatePostRouterStartHook(
)
except AttributeError:
# not defined
logger.debug("ltemplatePostRouterStartHook() not defined")
luStart(baseScriptDir=self.scriptdir,
baseLogDir=self.logdir,
net=tgen.net)
def show_isis_interface_detail(router, rname):
"""
Get the show isis mpls ldp-sync info in a dictionary format.
"""
out = topotest.normalize_text(
router.vtysh_cmd("show isis interface detail")).splitlines()
logger.warning(out)
parsed = parse_show_isis_interface_detail(out, rname)
logger.warning(parsed)
return parsed
def vtysh_cmd(self, command, isjson=False, daemon=None):
"""
Runs the provided command string in the vty shell and returns a string
with the response.
This function also accepts multiple commands, but this mode does not
return output for each command. See vtysh_multicmd() for more details.
"""
# Detect multi line commands
if command.find("\n") != -1:
return self.vtysh_multicmd(command, daemon=daemon)
dparam = ""
if daemon is not None:
dparam += "-d {}".format(daemon)
vtysh_command = 'vtysh {} -c "{}" 2>/dev/null'.format(dparam, command)
self.logger.info('vtysh command => "{}"'.format(command))
output = self.run(vtysh_command)
dbgout = output.strip()
if dbgout:
if "\n" in dbgout:
dbgout = dbgout.replace("\n", "\n\t")
self.logger.info("vtysh result:\n\t{}".format(dbgout))
else:
self.logger.info('vtysh result: "{}"'.format(dbgout))
if isjson is False:
return output
try:
return json.loads(output)
except ValueError as error:
logger.warning(
"vtysh_cmd: %s: failed to convert json output: %s: %s",
self.name,
str(output),
str(error),
)
return {}
def diagnose_env_linux():
"""
Run diagnostics in the running environment. Returns `True` when everything
is ok, otherwise `False`.
"""
ret = True
# Test log path exists before installing handler.
if not os.path.isdir("/tmp"):
logger.warning("could not find /tmp for logs")
else:
os.system("mkdir /tmp/topotests")
# Log diagnostics to file so it can be examined later.
fhandler = logging.FileHandler(
filename="/tmp/topotests/diagnostics.txt")
fhandler.setLevel(logging.DEBUG)
fhandler.setFormatter(
logging.Formatter(fmt="%(asctime)s %(levelname)s: %(message)s"))
logger.addHandler(fhandler)
logger.info("Running environment diagnostics")
# Load configuration
config = configparser.ConfigParser(defaults=tgen_defaults)
pytestini_path = os.path.join(CWD, "../pytest.ini")
config.read(pytestini_path)
# Assert that we are running as root
if os.getuid() != 0:
logger.error("you must run topotest as root")
ret = False
# Assert that we have mininet
if os.system("which mn >/dev/null 2>/dev/null") != 0:
logger.error(
"could not find mininet binary (mininet is not installed)")
ret = False
# Assert that we have iproute installed
if os.system("which ip >/dev/null 2>/dev/null") != 0:
logger.error("could not find ip binary (iproute is not installed)")
ret = False
# Assert that we have gdb installed
if os.system("which gdb >/dev/null 2>/dev/null") != 0:
logger.error("could not find gdb binary (gdb is not installed)")
ret = False
# Assert that FRR utilities exist
frrdir = config.get("topogen", "frrdir")
if not os.path.isdir(frrdir):
logger.error("could not find {} directory".format(frrdir))
ret = False
else:
try:
pwd.getpwnam("frr")[2]
except KeyError:
logger.warning('could not find "frr" user')
try:
grp.getgrnam("frr")[2]
except KeyError:
logger.warning('could not find "frr" group')
try:
if "frr" not in grp.getgrnam("frrvty").gr_mem:
logger.error(
'"frr" user and group exist, but user is not under "frrvty"'
)
except KeyError:
logger.warning('could not find "frrvty" group')
for fname in [
"zebra",
"ospfd",
"ospf6d",
"bgpd",
"ripd",
"ripngd",
"isisd",
"pimd",
"ldpd",
"pbrd",
]:
path = os.path.join(frrdir, fname)
if not os.path.isfile(path):
# LDPd is an exception
if fname == "ldpd":
logger.info(
"could not find {} in {}".format(fname, frrdir) +
"(LDPd tests will not run)")
continue
logger.warning("could not find {} in {}".format(fname, frrdir))
ret = False
else:
if fname != "zebra":
continue
os.system(
"{} -v 2>&1 >/tmp/topotests/frr_zebra.txt".format(path))
# Test MPLS availability
krel = platform.release()
if topotest.version_cmp(krel, "4.5") < 0:
logger.info(
'LDPd tests will not run (have kernel "{}", but it requires 4.5)'.
format(krel))
# Test for MPLS Kernel modules available
if not topotest.module_present("mpls-router", load=False) != 0:
logger.info(
"LDPd tests will not run (missing mpls-router kernel module)")
if not topotest.module_present("mpls-iptunnel", load=False) != 0:
logger.info(
"LDPd tests will not run (missing mpls-iptunnel kernel module)")
# TODO remove me when we start supporting exabgp >= 4
try:
p = os.popen("exabgp -v")
line = p.readlines()
version = line[0].split()
if topotest.version_cmp(version[2], "4") >= 0:
logger.warning(
"BGP topologies are still using exabgp version 3, expect failures"
)
# We want to catch all exceptions
# pylint: disable=W0702
except:
logger.warning("failed to find exabgp or returned error")
# After we logged the output to file, remove the handler.
logger.removeHandler(fhandler)
return ret
def diagnose_env_linux():
"""
Run diagnostics in the running environment. Returns `True` when everything
is ok, otherwise `False`.
"""
ret = True
# Test log path exists before installing handler.
if not os.path.isdir('/tmp'):
logger.warning('could not find /tmp for logs')
else:
os.system('mkdir /tmp/topotests')
# Log diagnostics to file so it can be examined later.
fhandler = logging.FileHandler(filename='/tmp/topotests/diagnostics.txt')
fhandler.setLevel(logging.DEBUG)
fhandler.setFormatter(
logging.Formatter(fmt='%(asctime)s %(levelname)s: %(message)s')
)
logger.addHandler(fhandler)
logger.info('Running environment diagnostics')
# Load configuration
config = ConfigParser.ConfigParser(tgen_defaults)
pytestini_path = os.path.join(CWD, '../pytest.ini')
config.read(pytestini_path)
# Assert that we are running as root
if os.getuid() != 0:
logger.error('you must run topotest as root')
ret = False
# Assert that we have mininet
if os.system('which mn >/dev/null 2>/dev/null') != 0:
logger.error('could not find mininet binary (mininet is not installed)')
ret = False
# Assert that we have iproute installed
if os.system('which ip >/dev/null 2>/dev/null') != 0:
logger.error('could not find ip binary (iproute is not installed)')
ret = False
# Assert that we have gdb installed
if os.system('which gdb >/dev/null 2>/dev/null') != 0:
logger.error('could not find gdb binary (gdb is not installed)')
ret = False
# Assert that FRR utilities exist
frrdir = config.get('topogen', 'frrdir')
hasfrr = False
if not os.path.isdir(frrdir):
logger.error('could not find {} directory'.format(frrdir))
ret = False
else:
hasfrr = True
try:
pwd.getpwnam('frr')[2]
except KeyError:
logger.warning('could not find "frr" user')
try:
grp.getgrnam('frr')[2]
except KeyError:
logger.warning('could not find "frr" group')
try:
if 'frr' not in grp.getgrnam('frrvty').gr_mem:
logger.error('"frr" user and group exist, but user is not under "frrvty"')
except KeyError:
logger.warning('could not find "frrvty" group')
for fname in ['zebra', 'ospfd', 'ospf6d', 'bgpd', 'ripd', 'ripngd',
'isisd', 'pimd', 'ldpd']:
path = os.path.join(frrdir, fname)
if not os.path.isfile(path):
# LDPd is an exception
if fname == 'ldpd':
logger.info('could not find {} in {}'.format(fname, frrdir) +
'(LDPd tests will not run)')
continue
logger.warning('could not find {} in {}'.format(fname, frrdir))
ret = False
else:
if fname != 'zebra':
continue
os.system(
'{} -v 2>&1 >/tmp/topotests/frr_zebra.txt'.format(path)
)
# Assert that Quagga utilities exist
quaggadir = config.get('topogen', 'quaggadir')
if hasfrr:
# if we have frr, don't check for quagga
pass
elif not os.path.isdir(quaggadir):
logger.info('could not find {} directory (quagga tests will not run)'.format(quaggadir))
else:
ret = True
try:
pwd.getpwnam('quagga')[2]
except KeyError:
logger.info('could not find "quagga" user')
try:
grp.getgrnam('quagga')[2]
except KeyError:
logger.info('could not find "quagga" group')
try:
if 'quagga' not in grp.getgrnam('quaggavty').gr_mem:
logger.error('"quagga" user and group exist, but user is not under "quaggavty"')
except KeyError:
logger.warning('could not find "quaggavty" group')
for fname in ['zebra', 'ospfd', 'ospf6d', 'bgpd', 'ripd', 'ripngd',
'isisd', 'pimd']:
path = os.path.join(quaggadir, fname)
if not os.path.isfile(path):
logger.warning('could not find {} in {}'.format(fname, quaggadir))
ret = False
else:
if fname != 'zebra':
continue
os.system(
'{} -v 2>&1 >/tmp/topotests/quagga_zebra.txt'.format(path)
)
# Test MPLS availability
krel = platform.release()
if topotest.version_cmp(krel, '4.5') < 0:
logger.info('LDPd tests will not run (have kernel "{}", but it requires 4.5)'.format(krel))
# Test for MPLS Kernel modules available
if not topotest.module_present('mpls-router', load=False) != 0:
logger.info('LDPd tests will not run (missing mpls-router kernel module)')
if not topotest.module_present('mpls-iptunnel', load=False) != 0:
logger.info('LDPd tests will not run (missing mpls-iptunnel kernel module)')
# TODO remove me when we start supporting exabgp >= 4
try:
output = subprocess.check_output(['exabgp', '-v'])
line = output.split('\n')[0]
version = line.split(' ')[2]
if topotest.version_cmp(version, '4') >= 0:
logger.warning('BGP topologies are still using exabgp version 3, expect failures')
# We want to catch all exceptions
# pylint: disable=W0702
except:
logger.warning('failed to find exabgp or returned error')
# After we logged the output to file, remove the handler.
logger.removeHandler(fhandler)
return ret
def diagnose_env_linux(rundir):
"""
Run diagnostics in the running environment. Returns `True` when everything
is ok, otherwise `False`.
"""
ret = True
# Load configuration
config = configparser.ConfigParser(defaults=tgen_defaults)
pytestini_path = os.path.join(CWD, "../pytest.ini")
config.read(pytestini_path)
# Test log path exists before installing handler.
os.system("mkdir -p " + rundir)
# Log diagnostics to file so it can be examined later.
fhandler = logging.FileHandler(
filename="{}/diagnostics.txt".format(rundir))
fhandler.setLevel(logging.DEBUG)
fhandler.setFormatter(logging.Formatter(fmt=topolog.FORMAT))
logger.addHandler(fhandler)
logger.info("Running environment diagnostics")
# Assert that we are running as root
if os.getuid() != 0:
logger.error("you must run topotest as root")
ret = False
# Assert that we have mininet
# if os.system("which mn >/dev/null 2>/dev/null") != 0:
# logger.error("could not find mininet binary (mininet is not installed)")
# ret = False
# Assert that we have iproute installed
if os.system("which ip >/dev/null 2>/dev/null") != 0:
logger.error("could not find ip binary (iproute is not installed)")
ret = False
# Assert that we have gdb installed
if os.system("which gdb >/dev/null 2>/dev/null") != 0:
logger.error("could not find gdb binary (gdb is not installed)")
ret = False
# Assert that FRR utilities exist
frrdir = config.get("topogen", "frrdir")
if not os.path.isdir(frrdir):
logger.error("could not find {} directory".format(frrdir))
ret = False
else:
try:
pwd.getpwnam("frr")[2]
except KeyError:
logger.warning('could not find "frr" user')
try:
grp.getgrnam("frr")[2]
except KeyError:
logger.warning('could not find "frr" group')
try:
if "frr" not in grp.getgrnam("frrvty").gr_mem:
logger.error(
'"frr" user and group exist, but user is not under "frrvty"'
)
except KeyError:
logger.warning('could not find "frrvty" group')
for fname in [
"zebra",
"ospfd",
"ospf6d",
"bgpd",
"ripd",
"ripngd",
"isisd",
"pimd",
"pim6d",
"ldpd",
"pbrd",
]:
path = os.path.join(frrdir, fname)
if not os.path.isfile(path):
# LDPd is an exception
if fname == "ldpd":
logger.info(
"could not find {} in {}".format(fname, frrdir) +
"(LDPd tests will not run)")
continue
logger.warning("could not find {} in {}".format(fname, frrdir))
ret = False
else:
if fname != "zebra":
continue
os.system("{} -v 2>&1 >{}/frr_zebra.txt".format(path, rundir))
# Test MPLS availability
krel = platform.release()
if topotest.version_cmp(krel, "4.5") < 0:
logger.info(
'LDPd tests will not run (have kernel "{}", but it requires 4.5)'.
format(krel))
# Test for MPLS Kernel modules available
if not topotest.module_present("mpls-router", load=False) != 0:
logger.info(
"LDPd tests will not run (missing mpls-router kernel module)")
if not topotest.module_present("mpls-iptunnel", load=False) != 0:
logger.info(
"LDPd tests will not run (missing mpls-iptunnel kernel module)")
if not get_exabgp_cmd():
logger.warning("Failed to find exabgp < 4")
logger.removeHandler(fhandler)
fhandler.close()
return ret
def pytest_runtest_makereport(item, call):
"Log all assert messages to default logger with error level"
# Nothing happened
if call.when == "call":
pause = topotest_extra_config["pause"]
else:
pause = False
title = "unset"
if call.excinfo is None:
error = False
else:
parent = item.parent
modname = parent.module.__name__
# Treat skips as non errors, don't pause after
if call.excinfo.typename == "Skipped":
pause = False
error = False
logger.info('test skipped at "{}/{}": {}'.format(
modname, item.name, call.excinfo.value))
else:
error = True
# Handle assert failures
parent._previousfailed = item # pylint: disable=W0212
logger.error('test failed at "{}/{}": {}'.format(
modname, item.name, call.excinfo.value))
title = "{}/{}".format(modname, item.name)
# We want to pause, if requested, on any error not just test cases
# (e.g., call.when == "setup")
if not pause:
pause = (topotest_extra_config["pause_on_error"]
or topotest_extra_config["pause"])
# (topogen) Set topology error to avoid advancing in the test.
tgen = get_topogen()
if tgen is not None:
# This will cause topogen to report error on `routers_have_failure`.
tgen.set_error("{}/{}".format(modname, item.name))
commander = Commander("pytest")
isatty = sys.stdout.isatty()
error_cmd = None
if error and topotest_extra_config["vtysh_on_error"]:
error_cmd = commander.get_exec_path(["vtysh"])
elif error and topotest_extra_config["shell_on_error"]:
error_cmd = os.getenv("SHELL", commander.get_exec_path(["bash"]))
if error_cmd:
is_tmux = bool(os.getenv("TMUX", ""))
is_screen = not is_tmux and bool(os.getenv("STY", ""))
is_xterm = not is_tmux and not is_screen and bool(
os.getenv("DISPLAY", ""))
channel = None
win_info = None
wait_for_channels = []
wait_for_procs = []
# Really would like something better than using this global here.
# Not all tests use topogen though so get_topogen() won't work.
for node in Mininet.g_mnet_inst.hosts.values():
pause = True
if is_tmux:
channel = ("{}-{}".format(os.getpid(), Commander.tmux_wait_gen)
if not isatty else None)
Commander.tmux_wait_gen += 1
wait_for_channels.append(channel)
pane_info = node.run_in_window(
error_cmd,
new_window=win_info is None,
background=True,
title="{} ({})".format(title, node.name),
name=title,
tmux_target=win_info,
wait_for=channel,
)
if is_tmux:
if win_info is None:
win_info = pane_info
elif is_xterm:
assert isinstance(pane_info, subprocess.Popen)
wait_for_procs.append(pane_info)
# Now wait on any channels
for channel in wait_for_channels:
logger.debug("Waiting on TMUX channel %s", channel)
commander.cmd_raises(
[commander.get_exec_path("tmux"), "wait", channel])
for p in wait_for_procs:
logger.debug("Waiting on TMUX xterm process %s", p)
o, e = p.communicate()
if p.wait():
logger.warning("xterm proc failed: %s:", proc_error(p, o, e))
if error and topotest_extra_config["cli_on_error"]:
# Really would like something better than using this global here.
# Not all tests use topogen though so get_topogen() won't work.
if Mininet.g_mnet_inst:
cli(Mininet.g_mnet_inst, title=title, background=False)
else:
logger.error("Could not launch CLI b/c no mininet exists yet")
while pause and isatty:
try:
user = raw_input(
'PAUSED, "cli" for CLI, "pdb" to debug, "Enter" to continue: ')
except NameError:
user = input(
'PAUSED, "cli" for CLI, "pdb" to debug, "Enter" to continue: ')
user = user.strip()
if user == "cli":
cli(Mininet.g_mnet_inst)
elif user == "pdb":
pdb.set_trace()
elif user:
print('Unrecognized input: "%s"' % user)
else:
break
def diagnose_env_linux():
"""
Run diagnostics in the running environment. Returns `True` when everything
is ok, otherwise `False`.
"""
ret = True
# Test log path exists before installing handler.
if not os.path.isdir('/tmp'):
logger.warning('could not find /tmp for logs')
else:
os.system('mkdir /tmp/topotests')
# Log diagnostics to file so it can be examined later.
fhandler = logging.FileHandler(filename='/tmp/topotests/diagnostics.txt')
fhandler.setLevel(logging.DEBUG)
fhandler.setFormatter(
logging.Formatter(fmt='%(asctime)s %(levelname)s: %(message)s')
)
logger.addHandler(fhandler)
logger.info('Running environment diagnostics')
# Load configuration
config = configparser.ConfigParser(tgen_defaults)
pytestini_path = os.path.join(CWD, '../pytest.ini')
config.read(pytestini_path)
# Assert that we are running as root
if os.getuid() != 0:
logger.error('you must run topotest as root')
ret = False
# Assert that we have mininet
if os.system('which mn >/dev/null 2>/dev/null') != 0:
logger.error('could not find mininet binary (mininet is not installed)')
ret = False
# Assert that we have iproute installed
if os.system('which ip >/dev/null 2>/dev/null') != 0:
logger.error('could not find ip binary (iproute is not installed)')
ret = False
# Assert that we have gdb installed
if os.system('which gdb >/dev/null 2>/dev/null') != 0:
logger.error('could not find gdb binary (gdb is not installed)')
ret = False
# Assert that FRR utilities exist
frrdir = config.get('topogen', 'frrdir')
hasfrr = False
if not os.path.isdir(frrdir):
logger.error('could not find {} directory'.format(frrdir))
ret = False
else:
hasfrr = True
try:
pwd.getpwnam('frr')[2]
except KeyError:
logger.warning('could not find "frr" user')
try:
grp.getgrnam('frr')[2]
except KeyError:
logger.warning('could not find "frr" group')
try:
if 'frr' not in grp.getgrnam('frrvty').gr_mem:
logger.error('"frr" user and group exist, but user is not under "frrvty"')
except KeyError:
logger.warning('could not find "frrvty" group')
for fname in ['zebra', 'ospfd', 'ospf6d', 'bgpd', 'ripd', 'ripngd',
'isisd', 'pimd', 'ldpd']:
path = os.path.join(frrdir, fname)
if not os.path.isfile(path):
# LDPd is an exception
if fname == 'ldpd':
logger.info('could not find {} in {}'.format(fname, frrdir) +
'(LDPd tests will not run)')
continue
logger.warning('could not find {} in {}'.format(fname, frrdir))
ret = False
else:
if fname != 'zebra':
continue
os.system(
'{} -v 2>&1 >/tmp/topotests/frr_zebra.txt'.format(path)
)
# Assert that Quagga utilities exist
quaggadir = config.get('topogen', 'quaggadir')
if hasfrr:
# if we have frr, don't check for quagga
pass
elif not os.path.isdir(quaggadir):
logger.info('could not find {} directory (quagga tests will not run)'.format(quaggadir))
else:
ret = True
try:
pwd.getpwnam('quagga')[2]
except KeyError:
logger.info('could not find "quagga" user')
try:
grp.getgrnam('quagga')[2]
except KeyError:
logger.info('could not find "quagga" group')
try:
if 'quagga' not in grp.getgrnam('quaggavty').gr_mem:
logger.error('"quagga" user and group exist, but user is not under "quaggavty"')
except KeyError:
logger.warning('could not find "quaggavty" group')
for fname in ['zebra', 'ospfd', 'ospf6d', 'bgpd', 'ripd', 'ripngd',
'isisd', 'pimd']:
path = os.path.join(quaggadir, fname)
if not os.path.isfile(path):
logger.warning('could not find {} in {}'.format(fname, quaggadir))
ret = False
else:
if fname != 'zebra':
continue
os.system(
'{} -v 2>&1 >/tmp/topotests/quagga_zebra.txt'.format(path)
)
# Test MPLS availability
krel = platform.release()
if topotest.version_cmp(krel, '4.5') < 0:
logger.info('LDPd tests will not run (have kernel "{}", but it requires 4.5)'.format(krel))
# Test for MPLS Kernel modules available
if not topotest.module_present('mpls-router', load=False) != 0:
logger.info('LDPd tests will not run (missing mpls-router kernel module)')
if not topotest.module_present('mpls-iptunnel', load=False) != 0:
logger.info('LDPd tests will not run (missing mpls-iptunnel kernel module)')
# TODO remove me when we start supporting exabgp >= 4
try:
output = subprocess.check_output(['exabgp', '-v'])
line = output.split('\n')[0]
version = line.split(' ')[2]
if topotest.version_cmp(version, '4') >= 0:
logger.warning('BGP topologies are still using exabgp version 3, expect failures')
# We want to catch all exceptions
# pylint: disable=W0702
except:
logger.warning('failed to find exabgp or returned error')
# After we logged the output to file, remove the handler.
logger.removeHandler(fhandler)
return ret
