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86 lines
2.3 KiB
86 lines
2.3 KiB
# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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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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class FileSystem(object):
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"""
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A file system that support hadoop client desc.
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Args:
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fs_type (string): fs_type, for example is "afs"
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user (string): hadoop param
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passwd (string): hadoop param
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hadoop bin (string): hadoop param
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Examples:
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fs = FileSystm()
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"""
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def __init__(self,
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fs_type="afs",
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uri="afs://xx",
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user=None,
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passwd=None,
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hadoop_bin=""):
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assert user != None
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assert passwd != None
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assert hadoop_bin != None
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import ps_pb2 as pslib
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self.fs_client = pslib.FsClientParameter()
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self.fs_client.uri = uri
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self.fs_client.user = user
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self.fs_client.passwd = passwd
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#self.fs_client.buffer_size = 0
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self.fs_client.hadoop_bin = hadoop_bin
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#self.fs_client.afs_conf = afs_conf if not afs_conf else ""
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def get_desc(self):
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"""
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get hadoop desc.
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"""
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return self.fs_client
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class MPIHelper(object):
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"""
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MPIHelper is a wrapper of mpi4py, support get_rank get_size etc.
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Args:
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No params
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Examples:
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mh = MPIHelper()
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mh.get_ip()
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"""
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def __init__(self):
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from mpi4py import MPI
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self.comm = MPI.COMM_WORLD
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self.MPI = MPI
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def get_rank(self):
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return self.comm.Get_rank()
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def get_size(self):
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return self.comm.Get_size()
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def get_ip(self):
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import socket
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local_ip = socket.gethostbyname(socket.gethostname())
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return local_ip
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def get_hostname(self):
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import socket
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return socket.gethostname()
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def finalize(self):
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self.MPI.Finalize()
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