ironic-inspector/ironic_discoverd/test/test_node_cache.py

320 lines
13 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import tempfile
import time
import unittest
import mock
from oslo_config import cfg
from ironic_discoverd import node_cache
from ironic_discoverd.test import base as test_base
from ironic_discoverd import utils
CONF = cfg.CONF
class TestNodeCache(test_base.NodeTest):
def test_add_node(self):
# Ensure previous node information is cleared
with self.db:
self.db.execute("insert into nodes(uuid) values(?)",
(self.node.uuid,))
self.db.execute("insert into nodes(uuid) values('uuid2')")
self.db.execute("insert into attributes(name, value, uuid) "
"values(?, ?, ?)",
('mac', '11:22:11:22:11:22', self.uuid))
res = node_cache.add_node(self.node.uuid, mac=self.macs,
bmc_address='1.2.3.4', foo=None)
self.assertEqual(self.uuid, res.uuid)
self.assertTrue(time.time() - 60 < res.started_at < time.time() + 60)
res = self.db.execute("select uuid, started_at "
"from nodes order by uuid").fetchall()
self.assertEqual(['1a1a1a1a-2b2b-3c3c-4d4d-5e5e5e5e5e5e',
'uuid2'], [t[0] for t in res])
self.assertTrue(time.time() - 60 < res[0][1] < time.time() + 60)
res = self.db.execute("select name, value, uuid from attributes "
"order by name, value").fetchall()
self.assertEqual([('bmc_address', '1.2.3.4', self.uuid),
('mac', self.macs[0], self.uuid),
('mac', self.macs[1], self.uuid)],
[tuple(row) for row in res])
def test_add_node_duplicate_mac(self):
with self.db:
self.db.execute("insert into nodes(uuid) values(?)",
('another-uuid',))
self.db.execute("insert into attributes(name, value, uuid) "
"values(?, ?, ?)",
('mac', '11:22:11:22:11:22', 'another-uuid'))
self.assertRaises(utils.Error,
node_cache.add_node,
self.node.uuid, mac=['11:22:11:22:11:22'])
def test_active_macs(self):
with self.db:
self.db.execute("insert into nodes(uuid) values(?)",
(self.node.uuid,))
self.db.executemany("insert into attributes(name, value, uuid) "
"values(?, ?, ?)",
[('mac', '11:22:11:22:11:22', self.uuid),
('mac', '22:11:22:11:22:11', self.uuid)])
self.assertEqual({'11:22:11:22:11:22', '22:11:22:11:22:11'},
node_cache.active_macs())
def test_add_attribute(self):
with self.db:
self.db.execute("insert into nodes(uuid) values(?)",
(self.node.uuid,))
node_info = node_cache.NodeInfo(uuid=self.uuid, started_at=42)
node_info.add_attribute('key', 'value')
res = self.db.execute("select name, value, uuid from attributes "
"order by name, value").fetchall()
self.assertEqual([('key', 'value', self.uuid)],
[tuple(row) for row in res])
self.assertRaises(utils.Error, node_info.add_attribute,
'key', 'value')
class TestNodeCacheFind(test_base.NodeTest):
def setUp(self):
super(TestNodeCacheFind, self).setUp()
self.macs2 = ['00:00:00:00:00:00']
node_cache.add_node(self.uuid,
bmc_address='1.2.3.4',
mac=self.macs)
def test_no_data(self):
self.assertRaises(utils.Error, node_cache.find_node)
self.assertRaises(utils.Error, node_cache.find_node, mac=[])
def test_bmc(self):
res = node_cache.find_node(bmc_address='1.2.3.4')
self.assertEqual(self.uuid, res.uuid)
self.assertTrue(time.time() - 60 < res.started_at < time.time() + 1)
def test_macs(self):
res = node_cache.find_node(mac=['11:22:33:33:33:33', self.macs[1]])
self.assertEqual(self.uuid, res.uuid)
self.assertTrue(time.time() - 60 < res.started_at < time.time() + 1)
def test_macs_not_found(self):
self.assertRaises(utils.Error, node_cache.find_node,
mac=['11:22:33:33:33:33',
'66:66:44:33:22:11'])
def test_macs_multiple_found(self):
node_cache.add_node('uuid2', mac=self.macs2)
self.assertRaises(utils.Error, node_cache.find_node,
mac=[self.macs[0], self.macs2[0]])
def test_both(self):
res = node_cache.find_node(bmc_address='1.2.3.4',
mac=self.macs)
self.assertEqual(self.uuid, res.uuid)
self.assertTrue(time.time() - 60 < res.started_at < time.time() + 1)
def test_inconsistency(self):
with self.db:
self.db.execute('delete from nodes where uuid=?', (self.uuid,))
self.assertRaises(utils.Error, node_cache.find_node,
bmc_address='1.2.3.4')
def test_already_finished(self):
with self.db:
self.db.execute('update nodes set finished_at=42.0 where uuid=?',
(self.uuid,))
self.assertRaises(utils.Error, node_cache.find_node,
bmc_address='1.2.3.4')
class TestNodeCacheCleanUp(test_base.NodeTest):
def setUp(self):
super(TestNodeCacheCleanUp, self).setUp()
self.started_at = 100.0
with self.db:
self.db.execute('insert into nodes(uuid, started_at) '
'values(?, ?)', (self.uuid, self.started_at))
self.db.executemany('insert into attributes(name, value, uuid) '
'values(?, ?, ?)',
[('mac', v, self.uuid) for v in self.macs])
self.db.execute('insert into options(uuid, name, value) '
'values(?, ?, ?)', (self.uuid, 'foo', 'bar'))
def test_no_timeout(self):
CONF.set_override('timeout', 0, 'discoverd')
self.assertFalse(node_cache.clean_up())
res = [tuple(row) for row in self.db.execute(
'select finished_at, error from nodes').fetchall()]
self.assertEqual([(None, None)], res)
self.assertEqual(len(self.macs), len(self.db.execute(
'select * from attributes').fetchall()))
self.assertEqual(1, len(self.db.execute(
'select * from options').fetchall()))
@mock.patch.object(time, 'time')
def test_ok(self, time_mock):
time_mock.return_value = 1000
self.assertFalse(node_cache.clean_up())
res = [tuple(row) for row in self.db.execute(
'select finished_at, error from nodes').fetchall()]
self.assertEqual([(None, None)], res)
self.assertEqual(len(self.macs), len(self.db.execute(
'select * from attributes').fetchall()))
self.assertEqual(1, len(self.db.execute(
'select * from options').fetchall()))
@mock.patch.object(time, 'time')
def test_timeout(self, time_mock):
# Add a finished node to confirm we don't try to timeout it
with self.db:
self.db.execute('insert into nodes(uuid, started_at, finished_at) '
'values(?, ?, ?)', (self.uuid + '1',
self.started_at,
self.started_at + 60))
CONF.set_override('timeout', 99, 'discoverd')
time_mock.return_value = self.started_at + 100
self.assertEqual([self.uuid], node_cache.clean_up())
res = [tuple(row) for row in self.db.execute(
'select finished_at, error from nodes order by uuid').fetchall()]
self.assertEqual([(self.started_at + 100, 'Introspection timeout'),
(self.started_at + 60, None)],
res)
self.assertEqual([], self.db.execute(
'select * from attributes').fetchall())
self.assertEqual([], self.db.execute(
'select * from options').fetchall())
def test_old_status(self):
CONF.set_override('node_status_keep_time', 42, 'discoverd')
with self.db:
self.db.execute('update nodes set finished_at=?',
(time.time() - 100,))
self.assertEqual([], node_cache.clean_up())
self.assertEqual([], self.db.execute(
'select * from nodes').fetchall())
class TestNodeCacheGetNode(test_base.NodeTest):
def test_ok(self):
started_at = time.time() - 42
with self.db:
self.db.execute('insert into nodes(uuid, started_at) '
'values(?, ?)', (self.uuid, started_at))
info = node_cache.get_node(self.uuid)
self.assertEqual(self.uuid, info.uuid)
self.assertEqual(started_at, info.started_at)
self.assertIsNone(info.finished_at)
self.assertIsNone(info.error)
def test_not_found(self):
self.assertRaises(utils.Error, node_cache.get_node, 'foo')
@mock.patch.object(time, 'time', lambda: 42.0)
class TestNodeInfoFinished(test_base.NodeTest):
def setUp(self):
super(TestNodeInfoFinished, self).setUp()
node_cache.add_node(self.uuid,
bmc_address='1.2.3.4',
mac=self.macs)
self.node_info = node_cache.NodeInfo(uuid=self.uuid, started_at=3.14)
with self.db:
self.db.execute('insert into options(uuid, name, value) '
'values(?, ?, ?)', (self.uuid, 'foo', 'bar'))
def test_success(self):
self.node_info.finished()
self.assertEqual((42.0, None), tuple(self.db.execute(
'select finished_at, error from nodes').fetchone()))
self.assertEqual([], self.db.execute(
"select * from attributes").fetchall())
self.assertEqual([], self.db.execute(
"select * from options").fetchall())
def test_error(self):
self.node_info.finished(error='boom')
self.assertEqual((42.0, 'boom'), tuple(self.db.execute(
'select finished_at, error from nodes').fetchone()))
self.assertEqual([], self.db.execute(
"select * from attributes").fetchall())
self.assertEqual([], self.db.execute(
"select * from options").fetchall())
class TestInit(unittest.TestCase):
def setUp(self):
super(TestInit, self).setUp()
node_cache._DB_NAME = None
def test_ok(self):
with tempfile.NamedTemporaryFile() as db_file:
CONF.set_override('database', db_file.name, 'discoverd')
node_cache.init()
self.assertIsNotNone(node_cache._DB_NAME)
# Verify that table exists
node_cache._db().execute("select * from nodes")
def test_create_dir(self):
temp = tempfile.mkdtemp()
CONF.set_override('database', os.path.join(temp, 'dir', 'file'),
'discoverd')
node_cache.init()
def test_no_database(self):
CONF.set_override('database', '', 'discoverd')
self.assertRaises(SystemExit, node_cache.init)
class TestNodeInfoOptions(test_base.NodeTest):
def setUp(self):
super(TestNodeInfoOptions, self).setUp()
node_cache.add_node(self.uuid,
bmc_address='1.2.3.4',
mac=self.macs)
self.node_info = node_cache.NodeInfo(uuid=self.uuid, started_at=3.14)
with self.db:
self.db.execute('insert into options(uuid, name, value) '
'values(?, ?, ?)', (self.uuid, 'foo', '"bar"'))
def test_get(self):
self.assertEqual({'foo': 'bar'}, self.node_info.options)
# should be cached
self.assertIs(self.node_info.options, self.node_info.options)
def test_set(self):
data = {'s': 'value', 'b': True, 'i': 42}
self.node_info.set_option('name', data)
self.assertEqual(data, self.node_info.options['name'])
new = node_cache.NodeInfo(uuid=self.uuid, started_at=3.14)
self.assertEqual(data, new.options['name'])