ceph/qa/tasks/mgr/test_module_selftest.py
Kefu Chai 7d37226548 qa/tasks/mgr: use relative import
for better readability, and to ease the pain of developer to track back
to the top level python package for referencing a submodule

Signed-off-by: Kefu Chai <kchai@redhat.com>
2020-03-27 14:51:24 +08:00

336 lines
13 KiB
Python

import time
import requests
import errno
import logging
from teuthology.exceptions import CommandFailedError
from .mgr_test_case import MgrTestCase
log = logging.getLogger(__name__)
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):
super(TestModuleSelftest, self).setUp()
self.setup_mgrs()
def _selftest_plugin(self, module_name):
self._load_module("selftest")
self._load_module(module_name)
# Execute the module's self_test() method
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "module", module_name)
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_diskprediction_local(self):
self._selftest_plugin("diskprediction_local")
# Not included in qa/packages/packages.yaml
#def test_diskprediction_cloud(self):
# self._selftest_plugin("diskprediction_cloud")
def test_telegraf(self):
self._selftest_plugin("telegraf")
def test_iostat(self):
self._selftest_plugin("iostat")
def test_devicehealth(self):
self._selftest_plugin("devicehealth")
# Clean up the pool that the module creates, because otherwise
# it's low PG count causes test failures.
pool_name = "device_health_metrics"
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"osd", "pool", "delete", pool_name, pool_name,
"--yes-i-really-really-mean-it")
def test_selftest_run(self):
self._load_module("selftest")
self.mgr_cluster.mon_manager.raw_cluster_cmd("mgr", "self-test", "run")
def test_telemetry(self):
self._selftest_plugin("telemetry")
def test_crash(self):
self._selftest_plugin("crash")
def test_orchestrator(self):
self._selftest_plugin("orchestrator")
def test_selftest_config_update(self):
"""
That configuration updates are seen by running mgr modules
"""
self._load_module("selftest")
def get_value():
return self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "config", "get", "testkey").strip()
self.assertEqual(get_value(), "None")
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"config", "set", "mgr", "mgr/selftest/testkey", "foo")
self.wait_until_equal(get_value, "foo", timeout=10)
def get_localized_value():
return self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "config", "get_localized", "testkey").strip()
self.assertEqual(get_localized_value(), "foo")
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"config", "set", "mgr", "mgr/selftest/{}/testkey".format(
self.mgr_cluster.get_active_id()),
"bar")
self.wait_until_equal(get_localized_value, "bar", timeout=10)
def test_selftest_config_upgrade(self):
"""
That pre-mimic config-key config settings are migrated into
mimic-style config settings and visible from mgr modules.
"""
self._load_module("selftest")
def get_value():
return self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "config", "get", "testkey").strip()
def get_config():
lines = self.mgr_cluster.mon_manager.raw_cluster_cmd(
"config", "dump")\
.strip().split("\n")
result = []
for line in lines[1:]:
tokens = line.strip().split()
log.info("tokens: {0}".format(tokens))
subsys, key, value = tokens[0], tokens[2], tokens[3]
result.append((subsys, key, value))
return result
# Stop ceph-mgr while we synthetically create a pre-mimic
# configuration scenario
for mgr_id in self.mgr_cluster.mgr_daemons.keys():
self.mgr_cluster.mgr_stop(mgr_id)
self.mgr_cluster.mgr_fail(mgr_id)
# Blow away any modern-style mgr module config options
# (the ceph-mgr implementation may only do the upgrade if
# it doesn't see new style options)
stash = []
for subsys, key, value in get_config():
if subsys == "mgr" and key.startswith("mgr/"):
log.info("Removing config key {0} ahead of upgrade".format(
key))
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"config", "rm", subsys, key)
stash.append((subsys, key, value))
# Inject an old-style configuration setting in config-key
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"config-key", "set", "mgr/selftest/testkey", "testvalue")
# Inject configuration settings that looks data-ish and should
# not be migrated to a config key
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"config-key", "set", "mgr/selftest/testnewline", "foo\nbar")
# Inject configuration setting that does not appear in the
# module's config schema
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"config-key", "set", "mgr/selftest/kvitem", "foo\nbar")
# Bring mgr daemons back online, the one that goes active
# should be doing the upgrade.
for mgr_id in self.mgr_cluster.mgr_daemons.keys():
self.mgr_cluster.mgr_restart(mgr_id)
# Wait for a new active
self.wait_until_true(
lambda: self.mgr_cluster.get_active_id() != "", timeout=30)
# Check that the selftest module sees the upgraded value
self.assertEqual(get_value(), "testvalue")
# Check that the upgraded value is visible in the configuration
seen_keys = [k for s,k,v in get_config()]
self.assertIn("mgr/selftest/testkey", seen_keys)
# ...and that the non-config-looking one isn't
self.assertNotIn("mgr/selftest/testnewline", seen_keys)
# ...and that the not-in-schema one isn't
self.assertNotIn("mgr/selftest/kvitem", seen_keys)
# Restore previous configuration
for subsys, key, value in stash:
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"config", "set", subsys, key, value)
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", "ssl_server_port")
self._load_module("dashboard")
self.mgr_cluster.mon_manager.raw_cluster_cmd("dashboard",
"create-self-signed-cert")
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, verify=False)
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.
"""
# Calling a command on a disabled module should return the proper
# error code.
self._load_module("selftest")
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "module", "disable", "selftest")
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.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._load_module("selftest")
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "config", "get", "testkey")
# 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)
def test_module_remote(self):
"""
Use the selftest module to exercise inter-module communication
"""
self._load_module("selftest")
# The "self-test remote" operation just happens to call into
# influx.
self._load_module("influx")
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "remote")
def test_selftest_cluster_log(self):
"""
Use the selftest module to test the cluster/audit log interface.
"""
priority_map = {
"info": "INF",
"security": "SEC",
"warning": "WRN",
"error": "ERR"
}
self._load_module("selftest")
for priority in priority_map.keys():
message = "foo bar {}".format(priority)
log_message = "[{}] {}".format(priority_map[priority], message)
# Check for cluster/audit logs:
# 2018-09-24 09:37:10.977858 mgr.x [INF] foo bar info
# 2018-09-24 09:37:10.977860 mgr.x [SEC] foo bar security
# 2018-09-24 09:37:10.977863 mgr.x [WRN] foo bar warning
# 2018-09-24 09:37:10.977866 mgr.x [ERR] foo bar error
with self.assert_cluster_log(log_message):
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "cluster-log", "cluster",
priority, message)
with self.assert_cluster_log(log_message, watch_channel="audit"):
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "cluster-log", "audit",
priority, message)
def test_selftest_cluster_log_unknown_channel(self):
"""
Use the selftest module to test the cluster/audit log interface.
"""
with self.assertRaises(CommandFailedError) as exc_raised:
self.mgr_cluster.mon_manager.raw_cluster_cmd(
"mgr", "self-test", "cluster-log", "xyz",
"ERR", "The channel does not exist")
self.assertEqual(exc_raised.exception.exitstatus, errno.EOPNOTSUPP)