airflow kylin 源码
airflow kylin 代码
文件路径：/airflow/providers/apache/kylin/hooks/kylin.py
#
# 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.
from __future__ import annotations
from kylinpy import exceptions, kylinpy
from airflow.exceptions import AirflowException
from airflow.hooks.base import BaseHook
class KylinHook(BaseHook):
"""
Interact with Kylin to run CubeSource commands and get job status.
:param kylin_conn_id: The connection id as configured in Airflow administration.
:param project: project name
:param dsn: dsn
"""
def __init__(
self,
kylin_conn_id: str = 'kylin_default',
project: str | None = None,
dsn: str | None = None,
):
super().__init__()
self.kylin_conn_id = kylin_conn_id
self.project = project
self.dsn = dsn
def get_conn(self):
conn = self.get_connection(self.kylin_conn_id)
if self.dsn:
return kylinpy.create_kylin(self.dsn)
self.project = self.project or conn.schema
return kylinpy.Kylin(
conn.host,
username=conn.login,
password=conn.password,
port=conn.port,
project=self.project,
**conn.extra_dejson,
)
def cube_run(self, datasource_name, op, **op_args):
"""
Run CubeSource command which in CubeSource.support_invoke_command
:param datasource_name:
:param op: command
:param op_args: command args
:return: response
"""
cube_source = self.get_conn().get_datasource(datasource_name)
try:
return cube_source.invoke_command(op, **op_args)
except exceptions.KylinError as err:
raise AirflowException(f"Cube operation {op} error , Message: {err}")
def get_job_status(self, job_id):
"""
Get job status
:param job_id: kylin job id
:return: job status
"""
return self.get_conn().get_job(job_id).status
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