# 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 ducktape.services.background_thread import BackgroundThreadService


class PerformanceService(BackgroundThreadService):

    def __init__(self, context, num_nodes):
        super(PerformanceService, self).__init__(context, num_nodes)
        self.results = [None] * self.num_nodes
        self.stats = [[] for x in range(self.num_nodes)]

    def clean_node(self, node):
        node.account.kill_process("java", clean_shutdown=False, allow_fail=True)
        node.account.ssh("rm -rf /mnt/*", allow_fail=False)