本文整理汇总了Python中patroni.postgresql.Postgresql.pick_synchronous_standby方法的典型用法代码示例。如果您正苦于以下问题：Python Postgresql.pick_synchronous_standby方法的具体用法？Python Postgresql.pick_synchronous_standby怎么用？Python Postgresql.pick_synchronous_standby使用的例子？那么恭喜您, 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.pick_synchronous_standby方法的2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 pick_synchronous_standby [as 别名]
#.........这里部分代码省略.........
state['final_return'] = 2
self.assertFalse(self.p.wait_for_startup())
self.p._state = 'starting'
state['sleeps'] = 0
state['final_return'] = 0
self.assertFalse(self.p.wait_for_startup(timeout=2))
self.assertEquals(state['sleeps'], 3)
with patch.object(Postgresql, 'check_startup_state_changed', Mock(return_value=False)):
self.p.cancel()
self.p._state = 'starting'
self.assertIsNone(self.p.wait_for_startup())
def test_read_pid_file(self):
pidfile = os.path.join(self.data_dir, 'postmaster.pid')
if os.path.exists(pidfile):
os.remove(pidfile)
self.assertEquals(self.p._read_pid_file(), {})
with open(pidfile, 'w') as fd:
fd.write("123\n/foo/bar\n123456789\n5432")
self.assertEquals(self.p._read_pid_file(), {"pid": "123", "data_dir": "/foo/bar",
"start_time": "123456789", "port": "5432"})
def test_pick_sync_standby(self):
cluster = Cluster(True, None, self.leader, 0, [self.me, self.other, self.leadermem], None,
SyncState(0, self.me.name, self.leadermem.name), None)
with patch.object(Postgresql, "query", return_value=[
(self.leadermem.name, 'streaming', 'sync'),
(self.me.name, 'streaming', 'async'),
(self.other.name, 'streaming', 'async'),
]):
self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.leadermem.name, True))
with patch.object(Postgresql, "query", return_value=[
(self.me.name, 'streaming', 'async'),
(self.leadermem.name, 'streaming', 'potential'),
(self.other.name, 'streaming', 'async'),
]):
self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.leadermem.name, False))
with patch.object(Postgresql, "query", return_value=[
(self.me.name, 'streaming', 'async'),
(self.other.name, 'streaming', 'async'),
]):
self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.me.name, False))
with patch.object(Postgresql, "query", return_value=[
('missing', 'streaming', 'sync'),
(self.me.name, 'streaming', 'async'),
(self.other.name, 'streaming', 'async'),
]):
self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.me.name, False))
with patch.object(Postgresql, "query", return_value=[]):
self.assertEquals(self.p.pick_synchronous_standby(cluster), (None, False))
def test_set_sync_standby(self):
def value_in_conf():
with open(os.path.join(self.data_dir, 'postgresql.conf')) as f:
for line in f:
if line.startswith('synchronous_standby_names'):
return line.strip()
mock_reload = self.p.reload = Mock()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 pick_synchronous_standby [as 别名]
#.........这里部分代码省略.........
self.p.time_in_state = Mock(side_effect=time_in_state)
self.p._state = 'stopped'
self.assertTrue(self.p.wait_for_startup())
self.assertEquals(state['sleeps'], 0)
self.p._state = 'starting'
state['num_rejects'] = 5
self.assertTrue(self.p.wait_for_startup())
self.assertEquals(state['sleeps'], 5)
self.p._state = 'starting'
state['sleeps'] = 0
state['final_return'] = 2
self.assertFalse(self.p.wait_for_startup())
self.p._state = 'starting'
state['sleeps'] = 0
state['final_return'] = 0
self.assertFalse(self.p.wait_for_startup(timeout=2))
self.assertEquals(state['sleeps'], 3)
def test_read_pid_file(self):
pidfile = os.path.join(self.data_dir, 'postmaster.pid')
if os.path.exists(pidfile):
os.remove(pidfile)
self.assertEquals(self.p.read_pid_file(), {})
@patch('os.kill')
def test_is_pid_running(self, mock_kill):
mock_kill.return_value = True
self.assertTrue(self.p.is_pid_running(-100))
self.assertFalse(self.p.is_pid_running(0))
self.assertFalse(self.p.is_pid_running(None))
def test_pick_sync_standby(self):
cluster = Cluster(True, None, self.leader, 0, [self.me, self.other, self.leadermem], None,
SyncState(0, self.me.name, self.leadermem.name))
with patch.object(Postgresql, "query", return_value=[
(self.leadermem.name, 'streaming', 'sync'),
(self.me.name, 'streaming', 'async'),
(self.other.name, 'streaming', 'async'),
]):
self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.leadermem.name, True))
with patch.object(Postgresql, "query", return_value=[
(self.me.name, 'streaming', 'async'),
(self.leadermem.name, 'streaming', 'potential'),
(self.other.name, 'streaming', 'async'),
]):
self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.leadermem.name, False))
with patch.object(Postgresql, "query", return_value=[
(self.me.name, 'streaming', 'async'),
(self.other.name, 'streaming', 'async'),
]):
self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.me.name, False))
with patch.object(Postgresql, "query", return_value=[
('missing', 'streaming', 'sync'),
(self.me.name, 'streaming', 'async'),
(self.other.name, 'streaming', 'async'),
]):
self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.me.name, False))
with patch.object(Postgresql, "query", return_value=[]):
self.assertEquals(self.p.pick_synchronous_standby(cluster), (None, False))
def test_set_sync_standby(self):
def value_in_conf():
with open(os.path.join(self.data_dir, 'postgresql.conf')) as f:
for line in f:
if line.startswith('synchronous_standby_names'):
return line.strip()
mock_reload = self.p.reload = Mock()
self.p.set_synchronous_standby('n1')
self.assertEquals(value_in_conf(), "synchronous_standby_names = 'n1'")
mock_reload.assert_called()
mock_reload.reset_mock()
self.p.set_synchronous_standby('n1')
mock_reload.assert_not_called()
self.assertEquals(value_in_conf(), "synchronous_standby_names = 'n1'")
self.p.set_synchronous_standby('n2')
mock_reload.assert_called()
self.assertEquals(value_in_conf(), "synchronous_standby_names = 'n2'")
mock_reload.reset_mock()
self.p.set_synchronous_standby(None)
mock_reload.assert_called()
self.assertEquals(value_in_conf(), None)
def test_get_server_parameters(self):
config = {'synchronous_mode': True, 'parameters': {}, 'listen': '0'}
self.p.get_server_parameters(config)
self.p.set_synchronous_standby('foo')
self.p.get_server_parameters(config)