e46cbb7f36
Change-Id: Id08a3c7a8a40fd826cd902cedbc2590ca284e548 Implements: blueprint mapr-plugin
38 lines
1.4 KiB
Python
38 lines
1.4 KiB
Python
# Copyright (c) 2014, MapR Technologies
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import uuid
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import six
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MV_TO_MAPRFS_CMD = ('sudo -u %(user)s'
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' hadoop fs -copyFromLocal %(source)s %(target)s'
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' && sudo rm -f %(source)s')
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MKDIR_CMD = 'sudo -u %(user)s hadoop fs -mkdir -p %(path)s'
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def put_file_to_maprfs(r, content, file_name, path, hdfs_user):
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tmp_file_name = '/tmp/%s.%s' % (file_name, six.text_type(uuid.uuid4()))
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r.write_file_to(tmp_file_name, content)
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move_from_local(r, tmp_file_name, path + '/' + file_name, hdfs_user)
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def move_from_local(r, source, target, hdfs_user):
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args = {'user': hdfs_user, 'source': source, 'target': target}
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r.execute_command(MV_TO_MAPRFS_CMD % args)
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def create_maprfs_dir(remote, dir_name, hdfs_user):
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remote.execute_command(MKDIR_CMD % {'user': hdfs_user, 'path': dir_name})
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