Old airflow launcher

airflow@airflow-scheduler-5469fb5f8f-rkz76:/$ which airflow
/usr/local/bin/airflow
airflow@airflow-scheduler-5469fb5f8f-rkz76:/$ cat $(!!)
cat $(which airflow)
#!/usr/local/bin/python
# -*- coding: utf-8 -*-
#
# Licensed 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.
import os
from airflow import configuration
from airflow.bin.cli import CLIFactory

if __name__ == '__main__':

    if configuration.get("core", "security") == 'kerberos':
        os.environ['KRB5CCNAME'] = configuration.get('kerberos', 'ccache')
        os.environ['KRB5_KTNAME'] = configuration.get('kerberos', 'keytab')

    parser = CLIFactory.get_parser()
    args = parser.parse_args()
    args.func(args)
airflow@airflow-scheduler-5469fb5f8f-rkz76:/$