Python Postgresql.read_postmaster_opts方法代码示例

# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import read_postmaster_opts [as 别名]

#.........这里部分代码省略.........
            self.assertRaises(PostgresException, self.p.bootstrap)
        self.p.bootstrap()
        self.p.bootstrap(self.leader)

    def test_remove_data_directory(self):
        self.p.data_dir = 'data_dir'
        self.p.remove_data_directory()
        os.mkdir(self.p.data_dir)
        self.p.remove_data_directory()
        open(self.p.data_dir, 'w').close()
        self.p.remove_data_directory()
        os.symlink('unexisting', self.p.data_dir)
        with patch('os.unlink', Mock(side_effect=Exception)):
            self.p.remove_data_directory()
        self.p.remove_data_directory()

    @patch('subprocess.check_output', MagicMock(return_value=0, side_effect=pg_controldata_string))
    @patch('subprocess.check_output', side_effect=subprocess.CalledProcessError)
    @patch('subprocess.check_output', side_effect=Exception('Failed'))
    def test_controldata(self, check_output_call_error, check_output_generic_exception):
        data = self.p.controldata()
        self.assertEquals(len(data), 50)
        self.assertEquals(data['Database cluster state'], 'shut down in recovery')
        self.assertEquals(data['wal_log_hints setting'], 'on')
        self.assertEquals(int(data['Database block size']), 8192)

        subprocess.check_output = check_output_call_error
        data = self.p.controldata()
        self.assertEquals(data, dict())

        subprocess.check_output = check_output_generic_exception
        self.assertRaises(Exception, self.p.controldata())

    def test_read_postmaster_opts(self):
        m = mock_open(read_data=postmaster_opts_string())
        with patch.object(builtins, 'open', m):
            data = self.p.read_postmaster_opts()
            self.assertEquals(data['wal_level'], 'hot_standby')
            self.assertEquals(int(data['max_replication_slots']), 5)
            self.assertEqual(data.get('D'), None)

            m.side_effect = IOError("foo")
            data = self.p.read_postmaster_opts()
            self.assertEqual(data, dict())

            m.side_effect = Exception("foo")
            self.assertRaises(Exception, self.p.read_postmaster_opts())

    @patch('subprocess.Popen')
    @patch.object(builtins, 'open', MagicMock(return_value=42))
    def test_single_user_mode(self, subprocess_popen_mock):
        subprocess_popen_mock.return_value.wait.return_value = 0
        self.assertEquals(self.p.single_user_mode(options=dict(archive_mode='on', archive_command='false')), 0)
        subprocess_popen_mock.assert_called_once_with(['postgres', '--single', '-D', self.p.data_dir,
                                                      '-c', 'archive_command=false', '-c', 'archive_mode=on',
                                                       'postgres'], stdin=subprocess.PIPE,
                                                      stdout=42,
                                                      stderr=subprocess.STDOUT)
        subprocess_popen_mock.reset_mock()
        self.assertEquals(self.p.single_user_mode(command="CHECKPOINT"), 0)
        subprocess_popen_mock.assert_called_once_with(['postgres', '--single', '-D', self.p.data_dir,
                                                      'postgres'], stdin=subprocess.PIPE,
                                                      stdout=42,
                                                      stderr=subprocess.STDOUT)
        subprocess_popen_mock.return_value = None
        self.assertEquals(self.p.single_user_mode(), 1)

# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import read_postmaster_opts [as 别名]

#.........这里部分代码省略.........
                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': {'wal_level': 'hot_standby'}, 'listen': '0'}
        self.p.get_server_parameters(config)
        config['synchronous_mode_strict'] = True
        self.p.get_server_parameters(config)
        self.p.set_synchronous_standby('foo')
        self.p.get_server_parameters(config)

    @patch('time.sleep', Mock())
    def test__wait_for_connection_close(self):
        mock_postmaster = MockPostmaster()
        with patch.object(Postgresql, 'is_running', Mock(return_value=mock_postmaster)):
            mock_postmaster.is_running.side_effect = [True, False, False]
            mock_callback = Mock()
            self.p.stop(on_safepoint=mock_callback)

            mock_postmaster.is_running.side_effect = [True, False, False]
            with patch.object(MockCursor, "execute", Mock(side_effect=psycopg2.Error)):
                self.p.stop(on_safepoint=mock_callback)

    def test_terminate_starting_postmaster(self):
        mock_postmaster = MockPostmaster()
        self.p.terminate_starting_postmaster(mock_postmaster)
        mock_postmaster.signal_stop.assert_called()
        mock_postmaster.wait.assert_called()

    def test_read_postmaster_opts(self):
        m = mock_open(read_data='/usr/lib/postgres/9.6/bin/postgres "-D" "data/postgresql0" \
"--listen_addresses=127.0.0.1" "--port=5432" "--hot_standby=on" "--wal_level=hot_standby" \
"--wal_log_hints=on" "--max_wal_senders=5" "--max_replication_slots=5"\n')
        with patch.object(builtins, 'open', m):
            data = self.p.read_postmaster_opts()
            self.assertEquals(data['wal_level'], 'hot_standby')
            self.assertEquals(int(data['max_replication_slots']), 5)
            self.assertEqual(data.get('D'), None)

            m.side_effect = IOError
            data = self.p.read_postmaster_opts()
            self.assertEqual(data, dict())

    @patch('subprocess.Popen')
    def test_single_user_mode(self, subprocess_popen_mock):
        subprocess_popen_mock.return_value.wait.return_value = 0
        self.assertEquals(self.p.single_user_mode('CHECKPOINT', {'archive_mode': 'on'}), 0)

    @patch('os.listdir', Mock(side_effect=[OSError, ['a', 'b']]))
    @patch('os.unlink', Mock(side_effect=OSError))
    @patch('os.remove', Mock())
    @patch('os.path.islink', Mock(side_effect=[True, False]))
    @patch('os.path.isfile', Mock(return_value=True))
    def test_cleanup_archive_status(self):
        self.p.cleanup_archive_status()
        self.p.cleanup_archive_status()

    @patch('os.unlink', Mock())
    @patch('os.path.isfile', Mock(return_value=True))
    @patch.object(Postgresql, 'single_user_mode', Mock(return_value=0))
    def test_fix_cluster_state(self):
        self.assertTrue(self.p.fix_cluster_state())

    def test_replica_cached_timeline(self):
        self.assertEquals(self.p.replica_cached_timeline(1), 2)

    def test_get_master_timeline(self):
        self.assertEquals(self.p.get_master_timeline(), 1)

    def test_cancellable_subprocess_call(self):
        self.p.cancel()
        self.assertRaises(PostgresException, self.p.cancellable_subprocess_call, communicate_input=None)

    @patch('patroni.postgresql.polling_loop', Mock(return_value=[0, 0]))
    def test_cancel(self):
        self.p._cancellable = Mock()
        self.p._cancellable.returncode = None
        self.p.cancel()
        type(self.p._cancellable).returncode = PropertyMock(side_effect=[None, -15])
        self.p.cancel()

# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import read_postmaster_opts [as 别名]

#.........这里部分代码省略.........
            assert 'host replication replicator 127.0.0.1/32 md5\n' in lines
            assert 'host all all 0.0.0.0/0 md5\n' in lines

    @patch('patroni.postgresql.Postgresql.create_replica', Mock(return_value=0))
    def test_clone(self):
        self.p.clone(self.leader)

    @patch('os.listdir', Mock(return_value=['recovery.conf']))
    @patch('os.path.exists', Mock(return_value=True))
    def test_get_postgres_role_from_data_directory(self):
        self.assertEquals(self.p.get_postgres_role_from_data_directory(), 'replica')

    def test_remove_data_directory(self):
        self.p.remove_data_directory()
        open(self.data_dir, 'w').close()
        self.p.remove_data_directory()
        os.symlink('unexisting', self.data_dir)
        with patch('os.unlink', Mock(side_effect=OSError)):
            self.p.remove_data_directory()
        self.p.remove_data_directory()

    @patch('patroni.postgresql.Postgresql._version_file_exists', Mock(return_value=True))
    def test_controldata(self):
        with patch('subprocess.check_output', Mock(return_value=0, side_effect=pg_controldata_string)):
            data = self.p.controldata()
            self.assertEquals(len(data), 50)
            self.assertEquals(data['Database cluster state'], 'shut down in recovery')
            self.assertEquals(data['wal_log_hints setting'], 'on')
            self.assertEquals(int(data['Database block size']), 8192)

        with patch('subprocess.check_output', Mock(side_effect=subprocess.CalledProcessError(1, ''))):
            self.assertEquals(self.p.controldata(), {})

    def test_read_postmaster_opts(self):
        m = mock_open(read_data=postmaster_opts_string())
        with patch.object(builtins, 'open', m):
            data = self.p.read_postmaster_opts()
            self.assertEquals(data['wal_level'], 'hot_standby')
            self.assertEquals(int(data['max_replication_slots']), 5)
            self.assertEqual(data.get('D'), None)

            m.side_effect = IOError
            data = self.p.read_postmaster_opts()
            self.assertEqual(data, dict())

    @patch('subprocess.Popen')
    @patch.object(builtins, 'open', MagicMock(return_value=42))
    def test_single_user_mode(self, subprocess_popen_mock):
        subprocess_popen_mock.return_value.wait.return_value = 0
        self.assertEquals(self.p.single_user_mode(options=dict(archive_mode='on', archive_command='false')), 0)
        subprocess_popen_mock.assert_called_once_with(['postgres', '--single', '-D', self.data_dir,
                                                      '-c', 'archive_command=false', '-c', 'archive_mode=on',
                                                       'postgres'], stdin=subprocess.PIPE,
                                                      stdout=42,
                                                      stderr=subprocess.STDOUT)
        subprocess_popen_mock.reset_mock()
        self.assertEquals(self.p.single_user_mode(command="CHECKPOINT"), 0)
        subprocess_popen_mock.assert_called_once_with(['postgres', '--single', '-D', self.data_dir,
                                                      'postgres'], stdin=subprocess.PIPE,
                                                      stdout=42,
                                                      stderr=subprocess.STDOUT)
        subprocess_popen_mock.return_value = None
        self.assertEquals(self.p.single_user_mode(), 1)

    @patch('os.listdir', MagicMock(side_effect=fake_listdir))
    @patch('os.unlink', return_value=True)

# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import read_postmaster_opts [as 别名]

#.........这里部分代码省略.........
        assert 'PGPASSFILE' in kwargs['env'].keys()
        self.assertEquals(args[0], ['/bin/false', 'postgres://localhost:5432/postgres'])

    @patch('patroni.postgresql.Postgresql.create_replica', Mock(return_value=0))
    def test_clone(self):
        self.p.clone(self.leader)

    @patch('os.listdir', Mock(return_value=['recovery.conf']))
    @patch('os.path.exists', Mock(return_value=True))
    def test_get_postgres_role_from_data_directory(self):
        self.assertEquals(self.p.get_postgres_role_from_data_directory(), 'replica')

    def test_remove_data_directory(self):
        self.p.remove_data_directory()
        open(self.data_dir, 'w').close()
        self.p.remove_data_directory()
        os.symlink('unexisting', self.data_dir)
        with patch('os.unlink', Mock(side_effect=OSError)):
            self.p.remove_data_directory()
        self.p.remove_data_directory()

    @patch('patroni.postgresql.Postgresql._version_file_exists', Mock(return_value=True))
    def test_controldata(self):
        with patch('subprocess.check_output', Mock(return_value=0, side_effect=pg_controldata_string)):
            data = self.p.controldata()
            self.assertEquals(len(data), 50)
            self.assertEquals(data['Database cluster state'], 'shut down in recovery')
            self.assertEquals(data['wal_log_hints setting'], 'on')
            self.assertEquals(int(data['Database block size']), 8192)

        with patch('subprocess.check_output', Mock(side_effect=subprocess.CalledProcessError(1, ''))):
            self.assertEquals(self.p.controldata(), {})

    def test_read_postmaster_opts(self):
        m = mock_open(read_data=postmaster_opts_string())
        with patch.object(builtins, 'open', m):
            data = self.p.read_postmaster_opts()
            self.assertEquals(data['wal_level'], 'hot_standby')
            self.assertEquals(int(data['max_replication_slots']), 5)
            self.assertEqual(data.get('D'), None)

            m.side_effect = IOError
            data = self.p.read_postmaster_opts()
            self.assertEqual(data, dict())

    @patch('subprocess.Popen')
    @patch.object(builtins, 'open', MagicMock(return_value=42))
    def test_single_user_mode(self, subprocess_popen_mock):
        subprocess_popen_mock.return_value.wait.return_value = 0
        self.assertEquals(self.p.single_user_mode(options=dict(archive_mode='on', archive_command='false')), 0)
        subprocess_popen_mock.assert_called_once_with(['postgres', '--single', '-D', self.data_dir,
                                                      '-c', 'archive_command=false', '-c', 'archive_mode=on',
                                                       'postgres'], stdin=subprocess.PIPE,
                                                      stdout=42,
                                                      stderr=subprocess.STDOUT)
        subprocess_popen_mock.reset_mock()
        self.assertEquals(self.p.single_user_mode(command="CHECKPOINT"), 0)
        subprocess_popen_mock.assert_called_once_with(['postgres', '--single', '-D', self.data_dir,
                                                      'postgres'], stdin=subprocess.PIPE,
                                                      stdout=42,
                                                      stderr=subprocess.STDOUT)
        subprocess_popen_mock.return_value = None
        self.assertEquals(self.p.single_user_mode(), 1)

    @patch('os.listdir', MagicMock(side_effect=fake_listdir))
    @patch('os.unlink', return_value=True)