本文整理汇总了Python中patroni.postgresql.Postgresql.create_replica方法的典型用法代码示例。如果您正苦于以下问题:Python Postgresql.create_replica方法的具体用法?Python Postgresql.create_replica怎么用?Python Postgresql.create_replica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.create_replica方法的6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 create_replica [as 别名]
class TestPostgresql(unittest.TestCase):
def __init__(self, method_name='runTest'):
self.setUp = self.set_up
self.tearDown = self.tear_down
super(TestPostgresql, self).__init__(method_name)
def set_up(self):
subprocess.call = subprocess_call
shutil.copy = nop
self.p = Postgresql({'name': 'test0', 'scope': 'batman', 'data_dir': 'data/test0',
'listen': '127.0.0.1, *:5432', 'connect_address': '127.0.0.2:5432',
'pg_hba': ['hostssl all all 0.0.0.0/0 md5', 'host all all 0.0.0.0/0 md5'],
'superuser': {'password': ''},
'admin': {'username': 'admin', 'password': 'admin'},
'replication': {'username': 'replicator',
'password': 'rep-pass',
'network': '127.0.0.1/32'},
'parameters': {'foo': 'bar'}, 'recovery_conf': {'foo': 'bar'},
'callbacks': {'on_start': 'true', 'on_stop': 'true',
'on_restart': 'true', 'on_role_change': 'true',
'on_reload': 'true'
},
'restore': 'true'})
psycopg2.connect = psycopg2_connect
if not os.path.exists(self.p.data_dir):
os.makedirs(self.p.data_dir)
self.leadermem = Member(0, 'leader', 'postgres://replicator:[email protected]:5435/postgres', None, None, 28)
self.leader = Leader(-1, None, 28, self.leadermem)
self.other = Member(0, 'test1', 'postgres://replicator:[email protected]:5433/postgres', None, None, 28)
self.me = Member(0, 'test0', 'postgres://replicator:[email protected]:5434/postgres', None, None, 28)
def tear_down(self):
shutil.rmtree('data')
def mock_query(self, p):
raise psycopg2.OperationalError("not supported")
def test_data_directory_empty(self):
self.assertTrue(self.p.data_directory_empty())
def test_initialize(self):
self.assertTrue(self.p.initialize())
self.assertTrue(os.path.exists(os.path.join(self.p.data_dir, 'pg_hba.conf')))
def test_start_stop(self):
self.assertFalse(self.p.start())
self.p.is_running = false
with open(os.path.join(self.p.data_dir, 'postmaster.pid'), 'w'):
pass
self.assertTrue(self.p.start())
self.assertTrue(self.p.stop())
def test_sync_from_leader(self):
self.assertTrue(self.p.sync_from_leader(self.leader))
def test_follow_the_leader(self):
self.p.demote(self.leader)
self.p.follow_the_leader(None)
self.p.demote(self.leader)
self.p.follow_the_leader(self.leader)
self.p.follow_the_leader(Leader(-1, None, 28, self.other))
def test_create_replica(self):
self.p.delete_trigger_file = raise_exception
self.assertEquals(self.p.create_replica({'host': '', 'port': '', 'user': ''}, ''), 1)
def test_create_connection_users(self):
cfg = self.p.config
cfg['superuser']['username'] = 'test'
p = Postgresql(cfg)
p.create_connection_users()
def test_sync_replication_slots(self):
self.p.start()
cluster = Cluster(True, self.leader, 0, [self.me, self.other, self.leadermem])
self.p.sync_replication_slots(cluster)
def test_query(self):
self.p.query('select 1')
self.assertRaises(psycopg2.InterfaceError, self.p.query, 'InterfaceError')
self.assertRaises(psycopg2.OperationalError, self.p.query, 'blabla')
self.p._connection.closed = 2
self.assertRaises(psycopg2.OperationalError, self.p.query, 'blabla')
self.p._connection.closed = 2
self.p.disconnect = false
self.assertRaises(psycopg2.OperationalError, self.p.query, 'blabla')
def test_is_healthiest_node(self):
cluster = Cluster(True, self.leader, 0, [self.me, self.other, self.leadermem])
self.assertTrue(self.p.is_healthiest_node(cluster))
self.p.is_leader = false
self.assertFalse(self.p.is_healthiest_node(cluster))
self.p.xlog_position = lambda: 1
self.assertTrue(self.p.is_healthiest_node(cluster))
self.p.xlog_position = lambda: 2
self.assertFalse(self.p.is_healthiest_node(cluster))
self.p.config['maximum_lag_on_failover'] = -3
self.assertFalse(self.p.is_healthiest_node(cluster))
#.........这里部分代码省略.........
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 create_replica [as 别名]
#.........这里部分代码省略.........
self.p.demote()
self.p.follow_the_leader(None)
self.p.demote()
self.p.follow_the_leader(self.leader)
self.p.follow_the_leader(Leader(-1, 28, self.other))
self.p.rewind = mock_pg_rewind
self.p.follow_the_leader(self.leader)
self.p.require_rewind()
with mock.patch('os.path.islink', MagicMock(return_value=True)):
with mock.patch('os.unlink', MagicMock(return_value=True)):
with mock.patch('patroni.postgresql.Postgresql.can_rewind', new_callable=PropertyMock(return_value=True)):
self.p.follow_the_leader(self.leader, recovery=True)
self.p.require_rewind()
with mock.patch('patroni.postgresql.Postgresql.can_rewind', new_callable=PropertyMock(return_value=True)):
self.p.rewind.return_value = True
self.p.follow_the_leader(self.leader, recovery=True)
self.p.rewind.return_value = False
self.p.follow_the_leader(self.leader, recovery=True)
def test_can_rewind(self):
tmp = self.p.pg_rewind
self.p.pg_rewind = None
self.assertFalse(self.p.can_rewind)
self.p.pg_rewind = tmp
with mock.patch('subprocess.call', MagicMock(return_value=1)):
self.assertFalse(self.p.can_rewind)
with mock.patch('subprocess.call', side_effect=OSError("foo")):
self.assertFalse(self.p.can_rewind)
tmp = self.p.controldata()
self.p.controldata = lambda: {'wal_log_hints setting': 'on'}
self.assertTrue(self.p.can_rewind)
self.p.controldata = tmp
def test_create_replica(self):
self.p.delete_trigger_file = Mock(side_effect=OSError())
self.assertEquals(self.p.create_replica({'host': '', 'port': '', 'user': ''}, ''), 1)
def test_create_connection_users(self):
cfg = self.p.config
cfg['superuser']['username'] = 'test'
p = Postgresql(cfg)
p.create_connection_users()
def test_sync_replication_slots(self):
self.p.start()
cluster = Cluster(True, self.leader, 0, [self.me, self.other, self.leadermem], None)
self.p.sync_replication_slots(cluster)
self.p.query = Mock(side_effect=psycopg2.OperationalError)
self.p.schedule_load_slots = True
self.p.sync_replication_slots(cluster)
@patch.object(MockConnect, 'closed', 2)
def test__query(self):
self.assertRaises(PostgresConnectionException, self.p._query, 'blabla')
self.p._state = 'restarting'
self.assertRaises(RetryFailedError, self.p._query, 'blabla')
def test_query(self):
self.p.query('select 1')
self.assertRaises(PostgresConnectionException, self.p.query, 'RetryFailedError')
self.assertRaises(psycopg2.OperationalError, self.p.query, 'blabla')
def test_is_leader(self):
self.assertTrue(self.p.is_leader())
def test_reload(self):
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 create_replica [as 别名]
#.........这里部分代码省略.........
with patch.object(Postgresql, 'restart', Mock(return_value=False)):
self.p.set_role('replica')
self.p.follow(None, None) # restart without rewind
self.p.set_role('master')
with patch.object(Postgresql, 'stop', Mock(return_value=False)):
self.p.follow(self.leader, self.leader) # failed to stop postgres
self.p.follow(self.leader, None) # Leader unknown, can not rewind
self.p.follow(self.leader, self.leader) # "leader" is not accessible or is_in_recovery
with patch.object(Postgresql, 'checkpoint', Mock(return_value=None)):
self.p.follow(self.leader, self.leader)
self.p.set_role('master')
mock_pg_rewind.return_value = True
self.p.follow(self.leader, self.leader)
self.p.follow(None, None) # check_recovery_conf...
@patch('subprocess.check_output', Mock(return_value=0, side_effect=pg_controldata_string))
def test_can_rewind(self):
with patch('subprocess.call', MagicMock(return_value=1)):
self.assertFalse(self.p.can_rewind)
with patch('subprocess.call', side_effect=OSError):
self.assertFalse(self.p.can_rewind)
with patch.object(Postgresql, 'controldata', Mock(return_value={'wal_log_hints setting': 'on'})):
self.assertTrue(self.p.can_rewind)
self.p.config['use_pg_rewind'] = False
self.assertFalse(self.p.can_rewind)
@patch('time.sleep', Mock())
def test_create_replica(self):
self.p.delete_trigger_file = Mock(side_effect=OSError)
with patch('subprocess.call', Mock(side_effect=[1, 0])):
self.assertEquals(self.p.create_replica(self.leader), 0)
with patch('subprocess.call', Mock(side_effect=[Exception(), 0])):
self.assertEquals(self.p.create_replica(self.leader), 0)
self.p.config['create_replica_method'] = ['wale', 'basebackup']
self.p.config['wale'] = {'command': 'foo'}
with patch('subprocess.call', Mock(return_value=0)):
self.assertEquals(self.p.create_replica(self.leader), 0)
del self.p.config['wale']
self.assertEquals(self.p.create_replica(self.leader), 0)
with patch('subprocess.call', Mock(side_effect=Exception("foo"))):
self.assertEquals(self.p.create_replica(self.leader), 1)
@patch.object(Postgresql, 'is_running', Mock(return_value=True))
def test_sync_replication_slots(self):
self.p.start()
cluster = Cluster(True, None, self.leader, 0, [self.me, self.other, self.leadermem], None)
self.p.sync_replication_slots(cluster)
self.p.query = Mock(side_effect=psycopg2.OperationalError)
self.p.schedule_load_slots = True
self.p.sync_replication_slots(cluster)
self.p.schedule_load_slots = False
with mock.patch('patroni.postgresql.Postgresql.role', new_callable=PropertyMock(return_value='replica')):
self.p.sync_replication_slots(cluster)
@patch.object(MockConnect, 'closed', 2)
def test__query(self):
self.assertRaises(PostgresConnectionException, self.p._query, 'blabla')
self.p._state = 'restarting'
示例4: TestPostgresql
# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import create_replica [as 别名]
#.........这里部分代码省略.........
with patch.object(Postgresql, 'pg_rewind', Mock(return_value=False)):
mock_checkpoint.side_effect = ['1', '', '', '']
self.p.rewind(self.leader)
self.p.rewind(self.leader)
with patch.object(Postgresql, 'check_leader_is_not_in_recovery', Mock(return_value=False)):
self.p.rewind(self.leader)
self.p.config['remove_data_directory_on_rewind_failure'] = False
self.p.trigger_check_diverged_lsn()
self.p.rewind(self.leader)
with patch.object(Postgresql, 'is_running', Mock(return_value=True)):
self.p.rewind(self.leader)
self.p.is_leader = Mock(return_value=False)
self.p.rewind(self.leader)
@patch.object(Postgresql, 'is_running', Mock(return_value=False))
@patch.object(Postgresql, 'start', Mock())
def test_follow(self):
self.p.follow(None)
@patch('subprocess.check_output', Mock(return_value=0, side_effect=pg_controldata_string))
def test_can_rewind(self):
with patch('subprocess.call', MagicMock(return_value=1)):
self.assertFalse(self.p.can_rewind)
with patch('subprocess.call', side_effect=OSError):
self.assertFalse(self.p.can_rewind)
with patch.object(Postgresql, 'controldata', Mock(return_value={'wal_log_hints setting': 'on'})):
self.assertTrue(self.p.can_rewind)
self.p.config['use_pg_rewind'] = False
self.assertFalse(self.p.can_rewind)
@patch('time.sleep', Mock())
@patch.object(Postgresql, 'cancellable_subprocess_call')
@patch.object(Postgresql, 'remove_data_directory', Mock(return_value=True))
def test_create_replica(self, mock_cancellable_subprocess_call):
self.p.delete_trigger_file = Mock(side_effect=OSError)
self.p.config['create_replica_method'] = ['wale', 'basebackup']
self.p.config['wale'] = {'command': 'foo'}
mock_cancellable_subprocess_call.return_value = 0
self.assertEquals(self.p.create_replica(self.leader), 0)
del self.p.config['wale']
self.assertEquals(self.p.create_replica(self.leader), 0)
mock_cancellable_subprocess_call.return_value = 1
self.assertEquals(self.p.create_replica(self.leader), 1)
mock_cancellable_subprocess_call.side_effect = Exception('foo')
self.assertEquals(self.p.create_replica(self.leader), 1)
mock_cancellable_subprocess_call.side_effect = [1, 0]
self.assertEquals(self.p.create_replica(self.leader), 0)
mock_cancellable_subprocess_call.side_effect = [Exception(), 0]
self.assertEquals(self.p.create_replica(self.leader), 0)
self.p.cancel()
self.assertEquals(self.p.create_replica(self.leader), 1)
def test_basebackup(self):
self.p.cancel()
self.p.basebackup(None, None)
@patch.object(Postgresql, 'is_running', Mock(return_value=True))
def test_sync_replication_slots(self):
self.p.start()
cluster = Cluster(True, None, self.leader, 0, [self.me, self.other, self.leadermem], None, None, None)
示例5: TestPostgresql
# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import create_replica [as 别名]
#.........这里部分代码省略.........
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
with patch.object(Postgresql, 'stop', Mock(return_value=False)):
self.p.follow(self.leader, self.leader, need_rewind=True) # failed to stop postgres
self.p.follow(self.leader, self.leader) # "leader" is not accessible or is_in_recovery
with patch.object(Postgresql, 'checkpoint', Mock(return_value=None)):
self.p.follow(self.leader, self.leader)
mock_pg_rewind.return_value = True
self.p.follow(self.leader, self.leader, need_rewind=True)
self.p.follow(None, None) # check_recovery_conf...
@patch('subprocess.check_output', Mock(return_value=0, side_effect=pg_controldata_string))
def test_can_rewind(self):
with patch('subprocess.call', MagicMock(return_value=1)):
self.assertFalse(self.p.can_rewind)
with patch('subprocess.call', side_effect=OSError):
self.assertFalse(self.p.can_rewind)
with patch.object(Postgresql, 'controldata', Mock(return_value={'wal_log_hints setting': 'on'})):
self.assertTrue(self.p.can_rewind)
self.p.config['use_pg_rewind'] = False
self.assertFalse(self.p.can_rewind)
@patch('time.sleep', Mock())
@patch.object(Postgresql, 'remove_data_directory', Mock(return_value=True))
def test_create_replica(self):
self.p.delete_trigger_file = Mock(side_effect=OSError)
with patch('subprocess.call', Mock(side_effect=[1, 0])):
self.assertEquals(self.p.create_replica(self.leader), 0)
with patch('subprocess.call', Mock(side_effect=[Exception(), 0])):
self.assertEquals(self.p.create_replica(self.leader), 0)
self.p.config['create_replica_method'] = ['wale', 'basebackup']
self.p.config['wale'] = {'command': 'foo'}
with patch('subprocess.call', Mock(return_value=0)):
self.assertEquals(self.p.create_replica(self.leader), 0)
del self.p.config['wale']
self.assertEquals(self.p.create_replica(self.leader), 0)
with patch('subprocess.call', Mock(side_effect=Exception("foo"))):
self.assertEquals(self.p.create_replica(self.leader), 1)
with patch('subprocess.call', Mock(return_value=1)):
self.assertEquals(self.p.create_replica(self.leader), 1)
@patch.object(Postgresql, 'is_running', Mock(return_value=True))
def test_sync_replication_slots(self):
self.p.start()
cluster = Cluster(True, None, self.leader, 0, [self.me, self.other, self.leadermem], None, None)
with mock.patch('patroni.postgresql.Postgresql._query', Mock(side_effect=psycopg2.OperationalError)):
self.p.sync_replication_slots(cluster)
self.p.sync_replication_slots(cluster)
with mock.patch('patroni.postgresql.Postgresql.role', new_callable=PropertyMock(return_value='replica')):
self.p.sync_replication_slots(cluster)
with mock.patch('patroni.postgresql.logger.error', new_callable=Mock()) as errorlog_mock:
self.p.query = Mock()
alias1 = Member(0, 'test-3', 28, {'conn_url': 'postgres://replicator:[email protected]:5436/postgres'})
alias2 = Member(0, 'test.3', 28, {'conn_url': 'postgres://replicator:[email protected]:5436/postgres'})
示例6: TestPostgresql
# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import create_replica [as 别名]
#.........这里部分代码省略.........
self.p.follow(None)
self.p.follow(self.leader)
self.p.follow(Leader(-1, 28, self.other))
self.p.rewind = mock_pg_rewind
self.p.follow(self.leader)
with mock.patch('os.path.islink', MagicMock(return_value=True)):
with mock.patch('patroni.postgresql.Postgresql.can_rewind', new_callable=PropertyMock(return_value=True)):
with mock.patch('os.unlink', MagicMock(return_value=True)):
self.p.follow(self.leader, recovery=True)
with mock.patch('patroni.postgresql.Postgresql.can_rewind', new_callable=PropertyMock(return_value=True)):
self.p.rewind.return_value = True
self.p.follow(self.leader, recovery=True)
self.p.rewind.return_value = False
self.p.follow(self.leader, recovery=True)
with mock.patch('patroni.postgresql.Postgresql.check_recovery_conf', MagicMock(return_value=True)):
self.assertTrue(self.p.follow(None))
@patch('subprocess.check_output', Mock(return_value=0, side_effect=pg_controldata_string))
def test_can_rewind(self):
tmp = self.p.pg_rewind
self.p.pg_rewind = None
self.assertFalse(self.p.can_rewind)
self.p.pg_rewind = tmp
with mock.patch('subprocess.call', MagicMock(return_value=1)):
self.assertFalse(self.p.can_rewind)
with mock.patch('subprocess.call', side_effect=OSError):
self.assertFalse(self.p.can_rewind)
tmp = self.p.controldata
self.p.controldata = lambda: {'wal_log_hints setting': 'on'}
self.assertTrue(self.p.can_rewind)
self.p.controldata = tmp
@patch('time.sleep', Mock())
def test_create_replica(self):
self.p.delete_trigger_file = Mock(side_effect=OSError)
with patch('subprocess.call', Mock(side_effect=[1, 0])):
self.assertEquals(self.p.create_replica(self.leader), 0)
with patch('subprocess.call', Mock(side_effect=[Exception(), 0])):
self.assertEquals(self.p.create_replica(self.leader), 0)
self.p.config['create_replica_method'] = ['wale', 'basebackup']
self.p.config['wale'] = {'command': 'foo'}
with patch('subprocess.call', Mock(return_value=0)):
self.assertEquals(self.p.create_replica(self.leader), 0)
del self.p.config['wale']
self.assertEquals(self.p.create_replica(self.leader), 0)
with patch('subprocess.call', Mock(side_effect=Exception("foo"))):
self.assertEquals(self.p.create_replica(self.leader), 1)
def test_sync_replication_slots(self):
self.p.start()
cluster = Cluster(True, self.leader, 0, [self.me, self.other, self.leadermem], None)
self.p.sync_replication_slots(cluster)
self.p.query = Mock(side_effect=psycopg2.OperationalError)
self.p.schedule_load_slots = True
self.p.sync_replication_slots(cluster)
self.p.schedule_load_slots = False
with mock.patch('patroni.postgresql.Postgresql.role', new_callable=PropertyMock(return_value='replica')):
self.p.sync_replication_slots(cluster)
@patch.object(MockConnect, 'closed', 2)
def test__query(self):
self.assertRaises(PostgresConnectionException, self.p._query, 'blabla')
self.p._state = 'restarting'
self.assertRaises(RetryFailedError, self.p._query, 'blabla')