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#!/usr/bin/env python
#
# Public Domain 2014-present MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
import datetime, random, os, wiredtiger, wttest
FileSystem = wiredtiger.FileSystem # easy access to constants
# test_s3_store01.py
# Test minimal S3 extension with basic interactions with AWS S3CrtClient.
class test_s3_store01(wttest.WiredTigerTestCase):
# Generates a unique prefix to be used with the object keys, eg:
# "s3test_artefacts/python_2022-31-01-16-34-10_623843294/"
prefix = 's3test_artefacts/python_'
prefix += datetime.datetime.now().strftime('%Y-%m-%d-%H-%M-%S')
# Range upto int32_max, matches that of C++'s std::default_random_engine
prefix += '_' + str(random.randrange(1,2147483646))
prefix += "/"
fs_config = 'prefix=' + prefix
fs_config += ',region=ap-southeast-2'
# Bucket name can be overridden by an environment variable.
bucket_name = os.getenv('WT_S3_EXT_BUCKET')
if bucket_name is None:
bucket_name = "s3testext"
# Load the s3 store extension, skip the test if missing.
def conn_extensions(self, extlist):
extlist.skip_if_missing = True
extlist.extension('storage_sources', 's3_store=(config=\"(verbose=-3)\")')
def get_s3_storage_source(self):
return self.conn.get_storage_source('s3_store')
def test_local_basic(self):
# Test some basic functionality of the storage source API, calling
# each supported method in the API at least once.
cache_prefix = "cache-"
filename = "foobar"
object_name = "foobar"
session = self.session
s3_store = self.get_s3_storage_source()
fs = s3_store.ss_customize_file_system(session, self.bucket_name, "Secret", self.fs_config)
# Test flush functionality and flushing to cache and checking if file exists.
f = open(filename, 'wb')
outbytes = ('MORE THAN ENOUGH DATA\n'*100000).encode()
f.write(outbytes)
f.close()
s3_store.ss_flush(session, fs, filename, object_name)
s3_store.ss_flush_finish(session, fs, filename, object_name)
self.assertTrue(fs.fs_exist(session, filename))
fh = fs.fs_open_file(session, filename, FileSystem.open_file_type_data, FileSystem.open_readonly)
inbytes = bytes(1000000) # An empty buffer with a million zero bytes.
fh.fh_read(session, 0, inbytes) # Read into the buffer.
self.assertEquals(outbytes[0:1000000], inbytes)
self.assertTrue(fs.fs_size(session, filename), len(outbytes))
self.assertEquals(fh.fh_size(session), len(outbytes))
fh.close(session)
# Checking that the file still exists in S3 after removing it from the cache.
os.remove(cache_prefix + self.bucket_name + '/' + filename)
self.assertTrue(fs.fs_exist(session, filename))
file_list = [self.prefix + object_name]
self.assertEquals(fs.fs_directory_list(session, None, None), file_list)
fs2 = s3_store.ss_customize_file_system(session, self.bucket_name, "Secret", self.fs_config)
self.assertEquals(fs.fs_directory_list(session, None, None), file_list)
s3_store.terminate(session)
if __name__ == '__main__':
wttest.run()
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