本文整理汇总了Python中patroni.postgresql.Postgresql.checkpoint方法的典型用法代码示例。如果您正苦于以下问题：Python Postgresql.checkpoint方法的具体用法？Python Postgresql.checkpoint怎么用？Python Postgresql.checkpoint使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类patroni.postgresql.Postgresql的用法示例。
在下文中一共展示了Postgresql.checkpoint方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TestPostgresql
# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import checkpoint [as 别名]
#.........这里部分代码省略.........
# Postmaster is not running
mock_callback = Mock()
mock_is_running.return_value = None
self.assertTrue(self.p.stop(on_safepoint=mock_callback))
mock_callback.assert_called()
# Is running, stopped successfully
mock_is_running.return_value = mock_postmaster = MockPostmaster()
mock_callback.reset_mock()
self.assertTrue(self.p.stop(on_safepoint=mock_callback))
mock_callback.assert_called()
mock_postmaster.signal_stop.assert_called()
# Stop signal failed
mock_postmaster.signal_stop.return_value = False
self.assertFalse(self.p.stop())
# Stop signal failed to find process
mock_postmaster.signal_stop.return_value = True
mock_callback.reset_mock()
self.assertTrue(self.p.stop(on_safepoint=mock_callback))
mock_callback.assert_called()
def test_restart(self):
self.p.start = Mock(return_value=False)
self.assertFalse(self.p.restart())
self.assertEquals(self.p.state, 'restart failed (restarting)')
@patch.object(builtins, 'open', MagicMock())
def test_write_pgpass(self):
self.p.write_pgpass({'host': 'localhost', 'port': '5432', 'user': 'foo'})
self.p.write_pgpass({'host': 'localhost', 'port': '5432', 'user': 'foo', 'password': 'bar'})
def test_checkpoint(self):
with patch.object(MockCursor, 'fetchone', Mock(return_value=(True, ))):
self.assertEquals(self.p.checkpoint({'user': 'postgres'}), 'is_in_recovery=true')
with patch.object(MockCursor, 'execute', Mock(return_value=None)):
self.assertIsNone(self.p.checkpoint())
self.assertEquals(self.p.checkpoint(), 'not accessible or not healty')
@patch.object(Postgresql, 'cancellable_subprocess_call')
@patch('patroni.postgresql.Postgresql.write_pgpass', MagicMock(return_value=dict()))
def test_pg_rewind(self, mock_cancellable_subprocess_call):
r = {'user': '', 'host': '', 'port': '', 'database': '', 'password': ''}
mock_cancellable_subprocess_call.return_value = 0
self.assertTrue(self.p.pg_rewind(r))
mock_cancellable_subprocess_call.side_effect = OSError
self.assertFalse(self.p.pg_rewind(r))
def test_check_recovery_conf(self):
self.p.write_recovery_conf({'primary_conninfo': 'foo'})
self.assertFalse(self.p.check_recovery_conf(None))
self.p.write_recovery_conf({})
self.assertTrue(self.p.check_recovery_conf(None))
@patch.object(Postgresql, 'start', Mock())
@patch.object(Postgresql, 'can_rewind', PropertyMock(return_value=True))
def test__get_local_timeline_lsn(self):
self.p.trigger_check_diverged_lsn()
with patch.object(Postgresql, 'controldata',
Mock(return_value={'Database cluster state': 'shut down in recovery',
'Minimum recovery ending location': '0/0',
"Min recovery ending loc's timeline": '0'})):
self.p.rewind_needed_and_possible(self.leader)
with patch.object(Postgresql, 'is_running', Mock(return_value=True)):
with patch.object(MockCursor, 'fetchone', Mock(side_effect=[(False, ), Exception])):示例2: TestPostgresql
# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import checkpoint [as 别名]
class TestPostgresql(unittest.TestCase):
_PARAMETERS = {'wal_level': 'hot_standby', 'max_replication_slots': 5, 'f.oo': 'bar',
'search_path': 'public', 'hot_standby': 'on', 'max_wal_senders': 5,
'wal_keep_segments': 8, 'wal_log_hints': 'on', 'max_locks_per_transaction': 64,
'max_worker_processes': 8, 'max_connections': 100, 'max_prepared_transactions': 0}
@patch('subprocess.call', Mock(return_value=0))
@patch('psycopg2.connect', psycopg2_connect)
@patch('os.rename', Mock())
@patch.object(Postgresql, 'get_major_version', Mock(return_value=9.4))
@patch.object(Postgresql, 'is_running', Mock(return_value=True))
def setUp(self):
self.data_dir = 'data/test0'
if not os.path.exists(self.data_dir):
os.makedirs(self.data_dir)
self.p = Postgresql({'name': 'test0', 'scope': 'batman', 'data_dir': self.data_dir, 'retry_timeout': 10,
'listen': '127.0.0.1, *:5432', 'connect_address': '127.0.0.2:5432',
'authentication': {'superuser': {'username': 'test', 'password': 'test'},
'replication': {'username': 'replicator', 'password': 'rep-pass'}},
'remove_data_directory_on_rewind_failure': True,
'use_pg_rewind': True, 'pg_ctl_timeout': 'bla',
'parameters': self._PARAMETERS,
'recovery_conf': {'foo': 'bar'},
'callbacks': {'on_start': 'true', 'on_stop': 'true',
'on_restart': 'true', 'on_role_change': 'true',
'on_reload': 'true'
},
'restore': 'true'})
self.leadermem = Member(0, 'leader', 28, {'conn_url': 'postgres://replicator:[email protected]:5435/postgres'})
self.leader = Leader(-1, 28, self.leadermem)
self.other = Member(0, 'test1', 28, {'conn_url': 'postgres://replicator:[email protected]:5433/postgres',
'tags': {'replicatefrom': 'leader'}})
self.me = Member(0, 'test0', 28, {'conn_url': 'postgres://replicator:[email protected]:5434/postgres'})
def tearDown(self):
shutil.rmtree('data')
def test_get_initdb_options(self):
self.assertEquals(self.p.get_initdb_options([{'encoding': 'UTF8'}, 'data-checksums']),
['--encoding=UTF8', '--data-checksums'])
self.assertRaises(Exception, self.p.get_initdb_options, [{'pgdata': 'bar'}])
self.assertRaises(Exception, self.p.get_initdb_options, [{'foo': 'bar', 1: 2}])
self.assertRaises(Exception, self.p.get_initdb_options, [1])
@patch('os.path.exists', Mock(return_value=True))
@patch('os.unlink', Mock())
def test_delete_trigger_file(self):
self.p.delete_trigger_file()
@patch.object(Postgresql, 'is_running')
def test_start(self, mock_is_running):
mock_is_running.return_value = True
self.assertTrue(self.p.start())
mock_is_running.return_value = False
open(os.path.join(self.data_dir, 'postmaster.pid'), 'w').close()
pg_conf = os.path.join(self.data_dir, 'postgresql.conf')
open(pg_conf, 'w').close()
self.assertTrue(self.p.start())
with open(pg_conf) as f:
lines = f.readlines()
self.assertTrue("f.oo = 'bar'\n" in lines)
@patch.object(Postgresql, 'is_running')
def test_stop(self, mock_is_running):
mock_is_running.return_value = True
self.assertTrue(self.p.stop())
with patch('subprocess.call', Mock(return_value=1)):
mock_is_running.return_value = False
self.assertTrue(self.p.stop())
def test_restart(self):
self.p.start = false
self.assertFalse(self.p.restart())
self.assertEquals(self.p.state, 'restart failed (restarting)')
@patch.object(builtins, 'open', MagicMock())
def test_write_pgpass(self):
self.p.write_pgpass({'host': 'localhost', 'port': '5432', 'user': 'foo', 'password': 'bar'})
def test_checkpoint(self):
with patch.object(MockCursor, 'fetchone', Mock(return_value=(True, ))):
self.assertEquals(self.p.checkpoint({'user': 'postgres'}), 'is_in_recovery=true')
with patch.object(MockCursor, 'execute', Mock(return_value=None)):
self.assertIsNone(self.p.checkpoint())
self.assertEquals(self.p.checkpoint(), 'not accessible or not healty')
@patch('subprocess.call', side_effect=OSError)
@patch('patroni.postgresql.Postgresql.write_pgpass', MagicMock(return_value=dict()))
def test_pg_rewind(self, mock_call):
r = {'user': '', 'host': '', 'port': '', 'database': '', 'password': ''}
self.assertTrue(self.p.rewind(r))
subprocess.call = mock_call
self.assertFalse(self.p.rewind(r))
@patch('os.unlink', Mock(return_value=True))
@patch('subprocess.check_output', Mock(return_value=0, side_effect=pg_controldata_string))
@patch.object(Postgresql, 'remove_data_directory', Mock(return_value=True))
@patch.object(Postgresql, 'single_user_mode', Mock(return_value=1))
@patch.object(Postgresql, 'write_pgpass', Mock(return_value={}))
@patch.object(Postgresql, 'is_running', Mock(return_value=True))
#.........这里部分代码省略.........
示例3: TestPostgresql
# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import checkpoint [as 别名]
#.........这里部分代码省略.........
# Garbage pid
mock_read_pid_file.return_value = {'pid': 'garbage', 'start_time': '101', 'data_dir': '',
'socket_dir': '', 'port': '', 'listen_addr': ''}
self.assertFalse(self.p.wait_for_port_open(42, 100., 1))
# Not ready
mock_read_pid_file.return_value = {'pid': '42', 'start_time': '101', 'data_dir': '',
'socket_dir': '', 'port': '', 'listen_addr': ''}
self.assertFalse(self.p.wait_for_port_open(42, 100., 1))
# pg_isready failure
mock_pg_isready.return_value = 'garbage'
self.assertTrue(self.p.wait_for_port_open(42, 100., 1))
@patch.object(Postgresql, 'is_running')
def test_stop(self, mock_is_running):
mock_is_running.return_value = True
self.assertTrue(self.p.stop())
with patch('subprocess.call', Mock(return_value=1)):
mock_is_running.return_value = False
self.assertTrue(self.p.stop())
def test_restart(self):
self.p.start = Mock(return_value=False)
self.assertFalse(self.p.restart())
self.assertEquals(self.p.state, 'restart failed (restarting)')
@patch.object(builtins, 'open', MagicMock())
def test_write_pgpass(self):
self.p.write_pgpass({'host': 'localhost', 'port': '5432', 'user': 'foo'})
self.p.write_pgpass({'host': 'localhost', 'port': '5432', 'user': 'foo', 'password': 'bar'})
def test_checkpoint(self):
with patch.object(MockCursor, 'fetchone', Mock(return_value=(True, ))):
self.assertEquals(self.p.checkpoint({'user': 'postgres'}), 'is_in_recovery=true')
with patch.object(MockCursor, 'execute', Mock(return_value=None)):
self.assertIsNone(self.p.checkpoint())
self.assertEquals(self.p.checkpoint(), 'not accessible or not healty')
@patch('subprocess.call', side_effect=OSError)
@patch('patroni.postgresql.Postgresql.write_pgpass', MagicMock(return_value=dict()))
def test_pg_rewind(self, mock_call):
r = {'user': '', 'host': '', 'port': '', 'database': '', 'password': ''}
self.assertTrue(self.p.rewind(r))
subprocess.call = mock_call
self.assertFalse(self.p.rewind(r))
@patch('os.unlink', Mock(return_value=True))
@patch('subprocess.check_output', Mock(return_value=0, side_effect=pg_controldata_string))
@patch.object(Postgresql, 'remove_data_directory', Mock(return_value=True))
@patch.object(Postgresql, 'single_user_mode', Mock(return_value=1))
@patch.object(Postgresql, 'write_pgpass', Mock(return_value={}))
@patch.object(Postgresql, 'is_running', Mock(return_value=True))
@patch.object(Postgresql, 'can_rewind', PropertyMock(return_value=True))
@patch.object(Postgresql, 'rewind', return_value=False)
def test_follow(self, mock_pg_rewind):
with patch.object(Postgresql, 'check_recovery_conf', Mock(return_value=True)):
self.assertTrue(self.p.follow(None, None)) # nothing to do, recovery.conf has good primary_conninfo
self.p.follow(self.me, self.me) # follow is called when the node is holding leader lock
with patch.object(Postgresql, 'restart', Mock(return_value=False)):
self.p.set_role('replica')
self.p.follow(None, None) # restart without rewind