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[python] Add task base database and procedure (#7279)

We add a new task procedure, and add parent class database
for both sql task and procedure task

fix: #6929
Jiajie Zhong 3 years ago
parent
commit
1948030151

+ 1 - 0
dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/constants.py

@@ -72,6 +72,7 @@ class TaskType(str):
     PYTHON = "PYTHON"
     PYTHON = "PYTHON"
     SQL = "SQL"
     SQL = "SQL"
     SUB_PROCESS = "SUB_PROCESS"
     SUB_PROCESS = "SUB_PROCESS"
+    PROCEDURE = "PROCEDURE"
 
 
 
 
 class DefaultTaskCodeNum(str):
 class DefaultTaskCodeNum(str):

+ 83 - 0
dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/tasks/database.py

@@ -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

+ 43 - 0
dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/tasks/procedure.py

@@ -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
+        )

+ 4 - 40
dolphinscheduler-python/pydolphinscheduler/src/pydolphinscheduler/tasks/sql.py

@@ -18,11 +18,10 @@
 """Task sql."""
 """Task sql."""
 
 
 import re
 import re
-from typing import Dict, Optional
+from typing import Optional
 
 
 from pydolphinscheduler.constants import TaskType
 from pydolphinscheduler.constants import TaskType
-from pydolphinscheduler.core.task import Task
+from pydolphinscheduler.tasks.database import Database
-from pydolphinscheduler.java_gateway import launch_gateway
 
 
 
 
 class SqlType:
 class SqlType:
@@ -32,7 +31,7 @@ class SqlType:
     NOT_SELECT = 1
     NOT_SELECT = 1
 
 
 
 
-class Sql(Task):
+class Sql(Database):
     """Task SQL object, declare behavior for SQL task to dolphinscheduler.
     """Task SQL object, declare behavior for SQL task to dolphinscheduler.
 
 
     It should run sql job in multiply sql lik engine, such as:
     It should run sql job in multiply sql lik engine, such as:
@@ -67,30 +66,10 @@ class Sql(Task):
         *args,
         *args,
         **kwargs
         **kwargs
     ):
     ):
-        super().__init__(name, TaskType.SQL, *args, **kwargs)
+        super().__init__(TaskType.SQL, name, datasource_name, sql, *args, **kwargs)
-        self.datasource_name = datasource_name
-        self.sql = sql
         self.pre_statements = pre_statements or []
         self.pre_statements = pre_statements or []
         self.post_statements = post_statements or []
         self.post_statements = post_statements or []
         self.display_rows = display_rows
         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
     @property
     def sql_type(self) -> int:
     def sql_type(self) -> int:
@@ -103,18 +82,3 @@ class Sql(Task):
             return SqlType.NOT_SELECT
             return SqlType.NOT_SELECT
         else:
         else:
             return SqlType.SELECT
             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

+ 127 - 0
dolphinscheduler-python/pydolphinscheduler/tests/tasks/test_database.py

@@ -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

+ 122 - 0
dolphinscheduler-python/pydolphinscheduler/tests/tasks/test_procedure.py

@@ -0,0 +1,122 @@
+# 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 Procedure."""
+
+from unittest.mock import patch
+
+import pytest
+
+from pydolphinscheduler.tasks.procedure import Procedure
+
+TEST_PROCEDURE_SQL = (
+    'create procedure HelloWorld() selece "hello world"; call HelloWorld();'
+)
+TEST_PROCEDURE_DATASOURCE_NAME = "test_datasource"
+
+
+@patch(
+    "pydolphinscheduler.core.task.Task.gen_code_and_version",
+    return_value=(123, 1),
+)
+@patch(
+    "pydolphinscheduler.tasks.procedure.Procedure.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_datasource_detail"
+    task = Procedure(name, TEST_PROCEDURE_DATASOURCE_NAME, TEST_PROCEDURE_SQL)
+    assert 1 == task.get_datasource_id()
+    assert "mock_type" == task.get_datasource_type()
+
+
+@pytest.mark.parametrize(
+    "attr, expect",
+    [
+        (
+            {
+                "name": "test-procedure-task-params",
+                "datasource_name": TEST_PROCEDURE_DATASOURCE_NAME,
+                "sql": TEST_PROCEDURE_SQL,
+            },
+            {
+                "sql": TEST_PROCEDURE_SQL,
+                "type": "MYSQL",
+                "datasource": 1,
+                "localParams": [],
+                "resourceList": [],
+                "dependence": {},
+                "waitStartTimeout": {},
+                "conditionResult": {"successNode": [""], "failedNode": [""]},
+            },
+        )
+    ],
+)
+@patch(
+    "pydolphinscheduler.core.task.Task.gen_code_and_version",
+    return_value=(123, 1),
+)
+@patch(
+    "pydolphinscheduler.tasks.procedure.Procedure.get_datasource_info",
+    return_value=({"id": 1, "type": "MYSQL"}),
+)
+def test_property_task_params(mock_datasource, mock_code_version, attr, expect):
+    """Test task sql task property."""
+    task = Procedure(**attr)
+    assert expect == task.task_params
+
+
+@patch(
+    "pydolphinscheduler.core.task.Task.gen_code_and_version",
+    return_value=(123, 1),
+)
+@patch(
+    "pydolphinscheduler.tasks.procedure.Procedure.get_datasource_info",
+    return_value=({"id": 1, "type": "MYSQL"}),
+)
+def test_sql_get_define(mock_datasource, mock_code_version):
+    """Test task procedure function get_define."""
+    name = "test_procedure_get_define"
+    expect = {
+        "code": 123,
+        "name": name,
+        "version": 1,
+        "description": None,
+        "delayTime": 0,
+        "taskType": "PROCEDURE",
+        "taskParams": {
+            "type": "MYSQL",
+            "datasource": 1,
+            "sql": TEST_PROCEDURE_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 = Procedure(name, TEST_PROCEDURE_DATASOURCE_NAME, TEST_PROCEDURE_SQL)
+    assert task.get_define() == expect

+ 1 - 1
dolphinscheduler-python/pydolphinscheduler/tests/tasks/test_sql.py

@@ -126,7 +126,7 @@ def test_sql_get_define(mock_datasource):
     """Test task sql function get_define."""
     """Test task sql function get_define."""
     code = 123
     code = 123
     version = 1
     version = 1
-    name = "test_sql_dict"
+    name = "test_sql_get_define"
     command = "select 1"
     command = "select 1"
     datasource_name = "test_datasource"
     datasource_name = "test_datasource"
     expect = {
     expect = {