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# Licensed to the Apache Software Foundation (ASF) under one
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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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# software distributed under the License is distributed on an
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# specific language governing permissions and limitations
# under the License.
# ADLS access utilities
# This file uses the azure-data-lake-store-python client and provides simple
# functions to the Impala test suite to access Azure Data Lake Store.
from import core, lib, multithread, exceptions
from tests.util.filesystem_base import BaseFilesystem
from tests.util.filesystem_utils import ADLS_CLIENT_ID, ADLS_TENANT_ID, ADLS_CLIENT_SECRET
from tests.util.hdfs_util import HadoopFsCommandLineClient
class ADLSClient(BaseFilesystem):
def __init__(self, store):
self.token = lib.auth(tenant_id = ADLS_TENANT_ID,
client_secret = ADLS_CLIENT_SECRET,
client_id = ADLS_CLIENT_ID)
self.adlsclient = core.AzureDLFileSystem(self.token, store_name=store)
self.adls_cli_client = HadoopFsCommandLineClient("ADLS")
def create_file(self, path, file_data, overwrite=True):
if not overwrite and self.exists(path): return False
with, 'wb') as f:
num_bytes = f.write(file_data)
assert num_bytes == len(file_data), "ADLS write failed."
return True
def make_dir(self, path, permission=None):
return True
def copy(self, src, dst, overwrite=True):
self.adls_cli_client.copy(src, dst, overwrite)
def copy_from_local(self, src, dst):
self.adls_cli_client.copy_from_local(src, dst)
def ls(self, path):
file_paths =
files= []
for f in file_paths:
fname = f.split("/")[-1]
if not fname == '':
files += [fname]
return files
def exists(self, path):
return self.adlsclient.exists(path)
def delete_file_dir(self, path, recursive=False):
self.adlsclient.rm(path, recursive)
except exceptions.FileNotFoundError as e:
return False
return True
def get_all_file_sizes(self, path):
"""Returns a list of integers which are all the file sizes of files found under
return [['length'] for f in \
if['type'] == 'FILE']