48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
# Copyright The PyTorch Lightning team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from pytorch_lightning import _logger as log
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from pytorch_lightning.utilities import rank_zero_warn
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from pytorch_lightning.cluster_environments.cluster_environment import ClusterEnvironment
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class TorchElasticEnvironment(ClusterEnvironment):
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def __init__(self):
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super().__init__()
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def master_address(self):
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if "MASTER_ADDR" not in os.environ:
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rank_zero_warn(
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"MASTER_ADDR environment variable is not defined. Set as localhost"
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)
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os.environ["MASTER_ADDR"] = "127.0.0.1"
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log.debug(f"MASTER_ADDR: {os.environ['MASTER_ADDR']}")
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master_address = os.environ.get('MASTER_ADDR')
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return master_address
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def master_port(self):
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if "MASTER_PORT" not in os.environ:
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rank_zero_warn(
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"MASTER_PORT environment variable is not defined. Set as 12910"
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)
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os.environ["MASTER_PORT"] = "12910"
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log.debug(f"MASTER_PORT: {os.environ['MASTER_PORT']}")
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port = os.environ.get('MASTER_PORT')
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return port
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def world_size(self):
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return os.environ.get('WORLD_SIZE', None)
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