airflow kerberos_command 源码
airflow kerberos_command 代码
文件路径：/airflow/cli/commands/kerberos_command.py
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# 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
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"""Kerberos command"""
from __future__ import annotations
import daemon
from daemon.pidfile import TimeoutPIDLockFile
from airflow import settings
from airflow.security import kerberos as krb
from airflow.utils import cli as cli_utils
from airflow.utils.cli import setup_locations
@cli_utils.action_cli
def kerberos(args):
"""Start a kerberos ticket renewer"""
print(settings.HEADER)
if args.daemon:
pid, stdout, stderr, _ = setup_locations(
"kerberos", args.pid, args.stdout, args.stderr, args.log_file
)
with open(stdout, 'a') as stdout_handle, open(stderr, 'a') as stderr_handle:
stdout_handle.truncate(0)
stderr_handle.truncate(0)
ctx = daemon.DaemonContext(
pidfile=TimeoutPIDLockFile(pid, -1),
stdout=stdout_handle,
stderr=stderr_handle,
umask=int(settings.DAEMON_UMASK, 8),
)
with ctx:
krb.run(principal=args.principal, keytab=args.keytab)
else:
krb.run(principal=args.principal, keytab=args.keytab)
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