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# -*- coding: utf-8 -*-
# pylint: disable=dangerous-default-value,too-many-public-methods
from __future__ import absolute_import
import logging
import unittest
from contextlib import contextmanager
from unittest import mock
import pytest
from ..services.ceph_service import CephService
class CephServiceTest(unittest.TestCase):
pools = [{
'pool_name': 'good_pool',
'pool': 1,
}, {
'pool_name': 'bad_pool',
'pool': 2,
'flaky': 'option_x'
}]
def setUp(self):
# Mock get_pool_list
self.list_patch = mock.patch('dashboard.services.ceph_service.CephService.get_pool_list')
self.list = self.list_patch.start()
self.list.return_value = self.pools
# Mock mgr.get
self.mgr_patch = mock.patch('dashboard.mgr.get')
self.mgr = self.mgr_patch.start()
self.mgr.return_value = {
'by_pool': {
'1': {'active+clean': 16},
'2': {'creating+incomplete': 16},
}
}
self.service = CephService()
def tearDown(self):
self.list_patch.stop()
self.mgr_patch.stop()
def test_get_pool_by_attribute_with_match(self):
self.assertEqual(self.service.get_pool_by_attribute('pool', 1), self.pools[0])
self.assertEqual(self.service.get_pool_by_attribute('pool_name', 'bad_pool'), self.pools[1])
def test_get_pool_by_attribute_without_a_match(self):
self.assertEqual(self.service.get_pool_by_attribute('pool', 3), None)
self.assertEqual(self.service.get_pool_by_attribute('not_there', 'sth'), None)
def test_get_pool_by_attribute_matching_a_not_always_set_attribute(self):
self.assertEqual(self.service.get_pool_by_attribute('flaky', 'option_x'), self.pools[1])
@mock.patch('dashboard.mgr.rados.pool_reverse_lookup', return_value='good_pool')
def test_get_pool_name_from_id_with_match(self, _mock):
self.assertEqual(self.service.get_pool_name_from_id(1), 'good_pool')
@mock.patch('dashboard.mgr.rados.pool_reverse_lookup', return_value=None)
def test_get_pool_name_from_id_without_match(self, _mock):
self.assertEqual(self.service.get_pool_name_from_id(3), None)
def test_get_pool_pg_status(self):
self.assertEqual(self.service.get_pool_pg_status('good_pool'), {'active+clean': 16})
def test_get_pg_status_without_match(self):
self.assertEqual(self.service.get_pool_pg_status('no-pool'), {})
@contextmanager
def mock_smart_data(data):
devices = [{'devid': devid} for devid in data]
def _get_smart_data(d):
return {d['devid']: data[d['devid']]}
with mock.patch.object(CephService, '_get_smart_data_by_device', side_effect=_get_smart_data), \
mock.patch.object(CephService, 'get_devices_by_host', return_value=devices), \
mock.patch.object(CephService, 'get_devices_by_daemon', return_value=devices):
yield
@pytest.mark.parametrize(
"by,args,log",
[
('host', ('osd0',), 'from host osd0'),
('daemon', ('osd', '1'), 'with ID 1')
]
)
def test_get_smart_data(caplog, by, args, log):
# pylint: disable=protected-access
expected_data = {
'aaa': {'device': {'name': '/dev/sda'}},
'bbb': {'device': {'name': '/dev/sdb'}},
}
with mock_smart_data(expected_data):
smart_data = getattr(CephService, 'get_smart_data_by_{}'.format(by))(*args)
getattr(CephService, 'get_devices_by_{}'.format(by)).assert_called_with(*args)
CephService._get_smart_data_by_device.assert_called()
assert smart_data == expected_data
with caplog.at_level(logging.DEBUG):
with mock_smart_data([]):
smart_data = getattr(CephService, 'get_smart_data_by_{}'.format(by))(*args)
getattr(CephService, 'get_devices_by_{}'.format(by)).assert_called_with(*args)
CephService._get_smart_data_by_device.assert_not_called()
assert smart_data == {}
assert log in caplog.text
@mock.patch.object(CephService, 'send_command')
def test_get_smart_data_by_device(send_command):
# pylint: disable=protected-access
device_id = 'Hitachi_HUA72201_JPW9K0N20D22SE'
osd_tree_payload = {'nodes':
[
{'name': 'osd.1', 'status': 'down'},
{'name': 'osd.2', 'status': 'up'},
{'name': 'osd.3', 'status': 'up'}
]}
health_metrics_payload = {device_id: {'ata_apm': {'enabled': False}}}
side_effect = [osd_tree_payload, health_metrics_payload]
# Daemons associated: 1 osd down, 2 osd up.
send_command.side_effect = side_effect
smart_data = CephService._get_smart_data_by_device(
{'devid': device_id, 'daemons': ['osd.1', 'osd.2', 'osd.3']})
assert smart_data == health_metrics_payload
send_command.assert_has_calls([mock.call('mon', 'osd tree'),
mock.call('osd', 'smart', '2', devid=device_id)])
# Daemons associated: 1 osd down.
send_command.reset_mock()
send_command.side_effect = [osd_tree_payload]
smart_data = CephService._get_smart_data_by_device({'devid': device_id, 'daemons': ['osd.1']})
assert smart_data == {}
send_command.assert_has_calls([mock.call('mon', 'osd tree')])
# Daemons associated: 1 osd down, 1 mon.
send_command.reset_mock()
send_command.side_effect = side_effect
smart_data = CephService._get_smart_data_by_device(
{'devid': device_id, 'daemons': ['osd.1', 'mon.1']})
assert smart_data == health_metrics_payload
send_command.assert_has_calls([mock.call('mon', 'osd tree'),
mock.call('mon', 'device query-daemon-health-metrics',
who='mon.1')])
# Daemons associated: 1 mon.
send_command.reset_mock()
send_command.side_effect = side_effect
smart_data = CephService._get_smart_data_by_device({'devid': device_id, 'daemons': ['mon.1']})
assert smart_data == health_metrics_payload
send_command.assert_has_calls([mock.call('mon', 'osd tree'),
mock.call('mon', 'device query-daemon-health-metrics',
who='mon.1')])
# Daemons associated: 1 other (non-osd, non-mon).
send_command.reset_mock()
send_command.side_effect = [osd_tree_payload]
smart_data = CephService._get_smart_data_by_device({'devid': device_id, 'daemons': ['rgw.1']})
assert smart_data == {}
send_command.assert_has_calls([mock.call('mon', 'osd tree')])
# Daemons associated: no daemons.
send_command.reset_mock()
smart_data = CephService._get_smart_data_by_device({'devid': device_id, 'daemons': []})
assert smart_data == {}
send_command.assert_has_calls([])
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