Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[python] Add task base database and procedure #7279

Merged
merged 1 commit into from
Dec 13, 2021
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,7 @@ class TaskType(str):
PYTHON = "PYTHON"
SQL = "SQL"
SUB_PROCESS = "SUB_PROCESS"
PROCEDURE = "PROCEDURE"


class DefaultTaskCodeNum(str):
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,83 @@
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.

"""Task database base task."""

from typing import Dict

from pydolphinscheduler.core.task import Task
from pydolphinscheduler.java_gateway import launch_gateway


class Database(Task):
"""Base task to handle database, declare behavior for the base handler of database.

It a parent class for all database task of dolphinscheduler. And it should run sql like
job in multiply sql lik engine, such as:
- ClickHouse
- DB2
- HIVE
- MySQL
- Oracle
- Postgresql
- Presto
- SQLServer
You provider datasource_name contain connection information, it decisions which
database type and database instance would run this sql.
"""

_task_custom_attr = {"sql"}

def __init__(
self, task_type: str, name: str, datasource_name: str, sql: str, *args, **kwargs
):
super().__init__(name, task_type, *args, **kwargs)
self.datasource_name = datasource_name
self.sql = sql
self._datasource = {}

def get_datasource_type(self) -> str:
"""Get datasource type from java gateway, a wrapper for :func:`get_datasource_info`."""
return self.get_datasource_info(self.datasource_name).get("type")

def get_datasource_id(self) -> str:
"""Get datasource id from java gateway, a wrapper for :func:`get_datasource_info`."""
return self.get_datasource_info(self.datasource_name).get("id")

def get_datasource_info(self, name) -> Dict:
"""Get datasource info from java gateway, contains datasource id, type, name."""
if self._datasource:
return self._datasource
else:
gateway = launch_gateway()
self._datasource = gateway.entry_point.getDatasourceInfo(name)
return self._datasource

@property
def task_params(self, camel_attr: bool = True, custom_attr: set = None) -> Dict:
"""Override Task.task_params for sql task.

Sql task have some specials attribute for task_params, and is odd if we
directly set as python property, so we Override Task.task_params here.
"""
params = super().task_params
custom_params = {
"type": self.get_datasource_type(),
"datasource": self.get_datasource_id(),
}
params.update(custom_params)
return params
Original file line number Diff line number Diff line change
@@ -0,0 +1,43 @@
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.

"""Task procedure."""

from pydolphinscheduler.constants import TaskType
from pydolphinscheduler.tasks.database import Database


class Procedure(Database):
"""Task Procedure object, declare behavior for Procedure task to dolphinscheduler.

It should run database procedure job in multiply sql lik engine, such as:
- ClickHouse
- DB2
- HIVE
- MySQL
- Oracle
- Postgresql
- Presto
- SQLServer
You provider datasource_name contain connection information, it decisions which
database type and database instance would run this sql.
"""

def __init__(self, name: str, datasource_name: str, sql: str, *args, **kwargs):
super().__init__(
TaskType.PROCEDURE, name, datasource_name, sql, *args, **kwargs
)
Original file line number Diff line number Diff line change
Expand Up @@ -18,11 +18,10 @@
"""Task sql."""

import re
from typing import Dict, Optional
from typing import Optional

from pydolphinscheduler.constants import TaskType
from pydolphinscheduler.core.task import Task
from pydolphinscheduler.java_gateway import launch_gateway
from pydolphinscheduler.tasks.database import Database


class SqlType:
Expand All @@ -32,7 +31,7 @@ class SqlType:
NOT_SELECT = 1


class Sql(Task):
class Sql(Database):
"""Task SQL object, declare behavior for SQL task to dolphinscheduler.

It should run sql job in multiply sql lik engine, such as:
Expand Down Expand Up @@ -67,30 +66,10 @@ def __init__(
*args,
**kwargs
):
super().__init__(name, TaskType.SQL, *args, **kwargs)
self.datasource_name = datasource_name
self.sql = sql
super().__init__(TaskType.SQL, name, datasource_name, sql, *args, **kwargs)
self.pre_statements = pre_statements or []
self.post_statements = post_statements or []
self.display_rows = display_rows
self._datasource = {}

def get_datasource_type(self) -> str:
"""Get datasource type from java gateway, a wrapper for :func:`get_datasource_info`."""
return self.get_datasource_info(self.datasource_name).get("type")

def get_datasource_id(self) -> str:
"""Get datasource id from java gateway, a wrapper for :func:`get_datasource_info`."""
return self.get_datasource_info(self.datasource_name).get("id")

def get_datasource_info(self, name) -> Dict:
"""Get datasource info from java gateway, contains datasource id, type, name."""
if self._datasource:
return self._datasource
else:
gateway = launch_gateway()
self._datasource = gateway.entry_point.getDatasourceInfo(name)
return self._datasource

@property
def sql_type(self) -> int:
Expand All @@ -103,18 +82,3 @@ def sql_type(self) -> int:
return SqlType.NOT_SELECT
else:
return SqlType.SELECT

@property
def task_params(self, camel_attr: bool = True, custom_attr: set = None) -> Dict:
"""Override Task.task_params for sql task.

Sql task have some specials attribute for task_params, and is odd if we
directly set as python property, so we Override Task.task_params here.
"""
params = super().task_params
custom_params = {
"type": self.get_datasource_type(),
"datasource": self.get_datasource_id(),
}
params.update(custom_params)
return params
Original file line number Diff line number Diff line change
@@ -0,0 +1,127 @@
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.

"""Test Task Database."""


from unittest.mock import patch

import pytest

from pydolphinscheduler.tasks.database import Database

TEST_DATABASE_TASK_TYPE = "SQL"
TEST_DATABASE_SQL = "select 1"
TEST_DATABASE_DATASOURCE_NAME = "test_datasource"


@patch(
"pydolphinscheduler.core.task.Task.gen_code_and_version",
return_value=(123, 1),
)
@patch(
"pydolphinscheduler.tasks.database.Database.get_datasource_info",
return_value=({"id": 1, "type": "mock_type"}),
)
def test_get_datasource_detail(mock_datasource, mock_code_version):
"""Test :func:`get_datasource_type` and :func:`get_datasource_id` can return expect value."""
name = "test_get_database_detail"
task = Database(
TEST_DATABASE_TASK_TYPE, name, TEST_DATABASE_DATASOURCE_NAME, TEST_DATABASE_SQL
)
assert 1 == task.get_datasource_id()
assert "mock_type" == task.get_datasource_type()


@pytest.mark.parametrize(
"attr, expect",
[
(
{
"task_type": TEST_DATABASE_TASK_TYPE,
"name": "test-task-params",
"datasource_name": TEST_DATABASE_DATASOURCE_NAME,
"sql": TEST_DATABASE_SQL,
},
{
"type": "MYSQL",
"datasource": 1,
"sql": TEST_DATABASE_SQL,
"localParams": [],
"resourceList": [],
"dependence": {},
"waitStartTimeout": {},
"conditionResult": {"successNode": [""], "failedNode": [""]},
},
)
],
)
@patch(
"pydolphinscheduler.core.task.Task.gen_code_and_version",
return_value=(123, 1),
)
@patch(
"pydolphinscheduler.tasks.database.Database.get_datasource_info",
return_value=({"id": 1, "type": "MYSQL"}),
)
def test_property_task_params(mock_datasource, mock_code_version, attr, expect):
"""Test task database task property."""
task = Database(**attr)
assert expect == task.task_params


@patch(
"pydolphinscheduler.core.task.Task.gen_code_and_version",
return_value=(123, 1),
)
@patch(
"pydolphinscheduler.tasks.database.Database.get_datasource_info",
return_value=({"id": 1, "type": "MYSQL"}),
)
def test_database_get_define(mock_datasource, mock_code_version):
"""Test task database function get_define."""
name = "test_database_get_define"
expect = {
"code": 123,
"name": name,
"version": 1,
"description": None,
"delayTime": 0,
"taskType": TEST_DATABASE_TASK_TYPE,
"taskParams": {
"type": "MYSQL",
"datasource": 1,
"sql": TEST_DATABASE_SQL,
"localParams": [],
"resourceList": [],
"dependence": {},
"conditionResult": {"successNode": [""], "failedNode": [""]},
"waitStartTimeout": {},
},
"flag": "YES",
"taskPriority": "MEDIUM",
"workerGroup": "default",
"failRetryTimes": 0,
"failRetryInterval": 1,
"timeoutFlag": "CLOSE",
"timeoutNotifyStrategy": None,
"timeout": 0,
}
task = Database(
TEST_DATABASE_TASK_TYPE, name, TEST_DATABASE_DATASOURCE_NAME, TEST_DATABASE_SQL
)
assert task.get_define() == expect
Loading