blob: 3e5181c707bb54c11d1e7e4dd478e588beb46368 [file] [log] [blame]
#!/usr/bin/env python
# -*- encoding: utf-8 -*-
# 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.
''' jstackhandler.py '''
import json
import tornado.web
from heron.shell.src.python import utils
class JstackHandler(tornado.web.RequestHandler):
"""
Responsible for getting the jstack for a JVM process given its pid.
"""
# pylint: disable=attribute-defined-outside-init
@tornado.web.asynchronous
def get(self, pid):
''' get method '''
body = utils.str_cmd(['jstack', pid], None, None)
self.content_type = 'application/json'
self.write(json.dumps(body))
self.finish()