ceph/qa/tasks/mgr/test_module_selftest.py
Ricardo Dias 86264d4b02
qa/tasks/mgr: move test initialization to setUpClass method
With this change, we avoid the disabling/enabling of the ceph-mgr module
being tested for each test function declared in each test case. Now
the ceph-mgr module being tested is disabled/enabled only once for each
test case.

Signed-off-by: Ricardo Dias <rdias@suse.com>
2018-03-05 13:07:18 +00:00

137 lines
5.0 KiB
Python

import time
import requests
import errno
from teuthology.exceptions import CommandFailedError
from tasks.mgr.mgr_test_case import MgrTestCase
class TestModuleSelftest(MgrTestCase):
"""
That modules with a self-test command can be loaded and execute it
without errors.
This is not a substitute for really testing the modules, but it
is quick and is designed to catch regressions that could occur
if data structures change in a way that breaks how the modules
touch them.
"""
MGRS_REQUIRED = 1
def setUp(self):
self.setup_mgrs()
def _selftest_plugin(self, module_name):
self._load_module(module_name)
# Execute the module's self-test routine
self.mgr_cluster.mon_manager.raw_cluster_cmd(module_name, "self-test")
def test_zabbix(self):
# Set these mandatory config fields so that the zabbix module
# won't trigger health/log errors on load/serve.
self.mgr_cluster.set_module_conf("zabbix", "zabbix_host", "localhost")
self.mgr_cluster.set_module_conf("zabbix", "identifier", "foo")
self._selftest_plugin("zabbix")
def test_prometheus(self):
self._assign_ports("prometheus", "server_port", min_port=8100)
self._selftest_plugin("prometheus")
def test_influx(self):
self._selftest_plugin("influx")
def test_selftest_run(self):
self._load_module("selftest")
self.mgr_cluster.mon_manager.raw_cluster_cmd("mgr", "self-test", "run")
def test_selftest_command_spam(self):
# Use the selftest module to stress the mgr daemon
self._load_module("selftest")
# Use the dashboard to test that the mgr is still able to do its job
self._assign_ports("dashboard", "server_port")
self._load_module("dashboard")
original_active = self.mgr_cluster.get_active_id()
original_standbys = self.mgr_cluster.get_standby_ids()
self.mgr_cluster.mon_manager.raw_cluster_cmd("mgr", "self-test",
"background", "start",
"command_spam")
dashboard_uri = self._get_uri("dashboard")
delay = 10
periods = 10
for i in range(0, periods):
t1 = time.time()
# Check that an HTTP module remains responsive
r = requests.get(dashboard_uri)
self.assertEqual(r.status_code, 200)
# Check that a native non-module command remains responsive
self.mgr_cluster.mon_manager.raw_cluster_cmd("osd", "df")
time.sleep(delay - (time.time() - t1))
self.mgr_cluster.mon_manager.raw_cluster_cmd("mgr", "self-test",
"background", "stop")
# Check that all mgr daemons are still running
self.assertEqual(original_active, self.mgr_cluster.get_active_id())
self.assertEqual(original_standbys, self.mgr_cluster.get_standby_ids())
def test_module_commands(self):
"""
That module-handled commands have appropriate behavior on
disabled/failed/recently-enabled modules.
"""
self._load_module("selftest")
# Calling a command on a disabled module should return the proper
# error code.
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "module", "disable", "status")
with self.assertRaises(CommandFailedError) as exc_raised:
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"osd", "status")
self.assertEqual(exc_raised.exception.exitstatus, errno.EOPNOTSUPP)
# Calling a command that really doesn't exist should give me EINVAL.
with self.assertRaises(CommandFailedError) as exc_raised:
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"osd", "albatross")
self.assertEqual(exc_raised.exception.exitstatus, errno.EINVAL)
# Enabling a module and then immediately using ones of its commands
# should work (#21683)
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "module", "enable", "status")
self.mgr_cluster.mon_manager.raw_cluster_cmd("osd", "status")
# Calling a command for a failed module should return the proper
# error code.
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "background", "start", "throw_exception")
with self.assertRaises(CommandFailedError) as exc_raised:
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "run"
)
self.assertEqual(exc_raised.exception.exitstatus, errno.EIO)
# A health alert should be raised for a module that has thrown
# an exception from its serve() method
self.wait_for_health(
"Module 'selftest' has failed: Synthetic exception in serve",
timeout=30)
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "module", "disable", "selftest")
self.wait_for_health_clear(timeout=30)