# Copyright 2020 The ElasticDL Authors. All rights reserved.
# 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.


class DistributionStrategy(object):
    LOCAL = "Local"
    PARAMETER_SERVER = "ParameterServerStrategy"
    ALLREDUCE = "AllreduceStrategy"


class BashCommandTemplate(object):
    REDIRECTION = " 2>&1 | tee {}"
    SET_PIPEFAIL = "set -o pipefail;"


class ClusterSpecConfig(object):
    CLUSTER_SPEC_DIR = "/cluster_spec"
