# -*- coding: utf-8 -*-
# Copyright 2014 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Integration tests for rsync command."""
import os
import crcmod
import gslib.tests.testcase as testcase
from gslib.tests.testcase.integration_testcase import SkipForS3
from gslib.tests.util import ObjectToURI as suri
from gslib.tests.util import SequentialAndParallelTransfer
from gslib.tests.util import SetBotoConfigForTest
from gslib.tests.util import unittest
from gslib.util import IS_WINDOWS
from gslib.util import Retry
from gslib.util import UsingCrcmodExtension
NO_CHANGES = 'Building synchronization state...\nStarting synchronization\n'
def _TailSet(start_point, listing):
"""Returns set of object name tails.
Tails can be compared between source and dest, past the point at which rsync
was done. For example if test ran rsync gs://bucket1/dir gs://bucket2/dir2,
the tails for listings from bucket1 would start after "dir", while the tails
for listings from bucket2 would start after "dir2".
Args:
start_point: The target of the rsync command, e.g., for the above command it
would be gs://bucket1/dir for the bucket1 listing results and
gs://bucket2/dir2 for the bucket2 listing results.
listing: The listing over which to compute tail.
Returns:
Object name tails.
"""
return set(l[len(start_point):] for l in listing.strip().split('\n'))
# TODO: Add inspection to the retry wrappers in this test suite where the state
# at the end of a retry block is depended upon by subsequent tests (since
# listing content can vary depending on which backend server is reached until
# eventual consistency is reached).
# TODO: Remove retry wrappers and AssertNObjectsInBucket calls if GCS ever
# supports strong listing consistency.
class TestRsync(testcase.GsUtilIntegrationTestCase):
"""Integration tests for rsync command."""
@staticmethod
def _FlatListDir(directory):
"""Perform a flat listing over directory.
Args:
directory: The directory to list
Returns:
Listings with path separators canonicalized to '/', to make assertions
easier for Linux vs Windows.
"""
result = []
for dirpath, _, filenames in os.walk(directory):
for f in filenames:
result.append(os.path.join(dirpath, f))
return '\n'.join(result).replace('\\', '/')
def _FlatListBucket(self, bucket_url_string):
"""Perform a flat listing over bucket_url_string."""
return self.RunGsUtil(['ls', suri(bucket_url_string, '**')],
return_stdout=True)
def test_invalid_args(self):
"""Tests various invalid argument cases."""
bucket_uri = self.CreateBucket()
obj1 = self.CreateObject(bucket_uri=bucket_uri, object_name='obj1',
contents='obj1')
tmpdir = self.CreateTempDir()
# rsync object to bucket.
self.RunGsUtil(['rsync', suri(obj1), suri(bucket_uri)], expected_status=1)
# rsync bucket to object.
self.RunGsUtil(['rsync', suri(bucket_uri), suri(obj1)], expected_status=1)
# rsync bucket to non-existent bucket.
self.RunGsUtil(['rsync', suri(bucket_uri), self.nonexistent_bucket_name],
expected_status=1)
# rsync object to dir.
self.RunGsUtil(['rsync', suri(obj1), tmpdir], expected_status=1)
# rsync dir to object.
self.RunGsUtil(['rsync', tmpdir, suri(obj1)], expected_status=1)
# rsync dir to non-existent bucket.
self.RunGsUtil(['rsync', tmpdir, suri(obj1), self.nonexistent_bucket_name],
expected_status=1)
# Note: The tests below exercise the cases
# {src_dir, src_bucket} X {dst_dir, dst_bucket}. We use gsutil rsync -d for
# all the cases but then have just one test without -d (test_bucket_to_bucket)
# as representative of handling without the -d option. This provides
# reasonable test coverage because the -d handling it src/dest URI-type
# independent, and keeps the test case combinations more manageable.
def test_bucket_to_bucket(self):
"""Tests that flat and recursive rsync between 2 buckets works correctly."""
# Create 2 buckets with 1 overlapping object, 1 extra object at root level
# in each, and 1 extra object 1 level down in each, where one of the objects
# starts with "." to test that we don't skip those objects. Make the
# overlapping objects named the same but with different content, to test
# that we detect and properly copy in that case.
bucket1_uri = self.CreateBucket()
bucket2_uri = self.CreateBucket()
self.CreateObject(bucket_uri=bucket1_uri, object_name='obj1',
contents='obj1')
self.CreateObject(bucket_uri=bucket1_uri, object_name='.obj2',
contents='.obj2')
self.CreateObject(bucket_uri=bucket1_uri, object_name='subdir/obj3',
contents='subdir/obj3')
self.CreateObject(bucket_uri=bucket2_uri, object_name='.obj2',
contents='.OBJ2')
self.CreateObject(bucket_uri=bucket2_uri, object_name='obj4',
contents='obj4')
self.CreateObject(bucket_uri=bucket2_uri, object_name='subdir/obj5',
contents='subdir/obj5')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Tests rsync works as expected."""
self.RunGsUtil(['rsync', suri(bucket1_uri), suri(bucket2_uri)])
listing1 = _TailSet(suri(bucket1_uri), self._FlatListBucket(bucket1_uri))
listing2 = _TailSet(suri(bucket2_uri), self._FlatListBucket(bucket2_uri))
# First bucket should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/subdir/obj3']))
# Second bucket should have new objects added from source bucket (without
# removing extraneeous object found in dest bucket), and without the
# subdir objects synchronized.
self.assertEquals(listing2,
set(['/obj1', '/.obj2', '/obj4', '/subdir/obj5']))
# Assert that the src/dest objects that had same length but different
# content were correctly synchronized (bucket to bucket sync uses
# checksums).
self.assertEquals('.obj2', self.RunGsUtil(
['cat', suri(bucket1_uri, '.obj2')], return_stdout=True))
self.assertEquals('.obj2', self.RunGsUtil(
['cat', suri(bucket2_uri, '.obj2')], return_stdout=True))
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', suri(bucket1_uri), suri(bucket2_uri)], return_stderr=True))
_Check2()
# Now add and remove some objects in each bucket and test rsync -r.
self.CreateObject(bucket_uri=bucket1_uri, object_name='obj6',
contents='obj6')
self.CreateObject(bucket_uri=bucket2_uri, object_name='obj7',
contents='obj7')
self.RunGsUtil(['rm', suri(bucket1_uri, 'obj1')])
self.RunGsUtil(['rm', suri(bucket2_uri, '.obj2')])
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check3():
self.RunGsUtil(['rsync', '-r', suri(bucket1_uri), suri(bucket2_uri)])
listing1 = _TailSet(suri(bucket1_uri), self._FlatListBucket(bucket1_uri))
listing2 = _TailSet(suri(bucket2_uri), self._FlatListBucket(bucket2_uri))
# First bucket should have un-altered content.
self.assertEquals(listing1, set(['/.obj2', '/obj6', '/subdir/obj3']))
# Second bucket should have objects tha were newly added to first bucket
# (wihout removing extraneous dest bucket objects), and without the
# subdir objects synchronized.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/obj4', '/obj6',
'/obj7', '/subdir/obj3',
'/subdir/obj5']))
_Check3()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check4():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-r', suri(bucket1_uri), suri(bucket2_uri)],
return_stderr=True))
_Check4()
def test_bucket_to_bucket_minus_d(self):
"""Tests that flat and recursive rsync between 2 buckets works correctly."""
# Create 2 buckets with 1 overlapping object, 1 extra object at root level
# in each, and 1 extra object 1 level down in each, where one of the objects
# starts with "." to test that we don't skip those objects. Make the
# overlapping objects named the same but with different content, to test
# that we detect and properly copy in that case.
bucket1_uri = self.CreateBucket()
bucket2_uri = self.CreateBucket()
self.CreateObject(bucket_uri=bucket1_uri, object_name='obj1',
contents='obj1')
self.CreateObject(bucket_uri=bucket1_uri, object_name='.obj2',
contents='.obj2')
self.CreateObject(bucket_uri=bucket1_uri, object_name='subdir/obj3',
contents='subdir/obj3')
self.CreateObject(bucket_uri=bucket2_uri, object_name='.obj2',
contents='.OBJ2')
self.CreateObject(bucket_uri=bucket2_uri, object_name='obj4',
contents='obj4')
self.CreateObject(bucket_uri=bucket2_uri, object_name='subdir/obj5',
contents='subdir/obj5')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Tests rsync works as expected."""
self.RunGsUtil(['rsync', '-d', suri(bucket1_uri), suri(bucket2_uri)])
listing1 = _TailSet(suri(bucket1_uri), self._FlatListBucket(bucket1_uri))
listing2 = _TailSet(suri(bucket2_uri), self._FlatListBucket(bucket2_uri))
# First bucket should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/subdir/obj3']))
# Second bucket should have content like first bucket but without the
# subdir objects synchronized.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/subdir/obj5']))
# Assert that the src/dest objects that had same length but different
# content were correctly synchronized (bucket to bucket sync uses
# checksums).
self.assertEquals('.obj2', self.RunGsUtil(
['cat', suri(bucket1_uri, '.obj2')], return_stdout=True))
self.assertEquals('.obj2', self.RunGsUtil(
['cat', suri(bucket2_uri, '.obj2')], return_stdout=True))
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', suri(bucket1_uri), suri(bucket2_uri)],
return_stderr=True))
_Check2()
# Now add and remove some objects in each bucket and test rsync -r.
self.CreateObject(bucket_uri=bucket1_uri, object_name='obj6',
contents='obj6')
self.CreateObject(bucket_uri=bucket2_uri, object_name='obj7',
contents='obj7')
self.RunGsUtil(['rm', suri(bucket1_uri, 'obj1')])
self.RunGsUtil(['rm', suri(bucket2_uri, '.obj2')])
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check3():
self.RunGsUtil(['rsync', '-d', '-r',
suri(bucket1_uri), suri(bucket2_uri)])
listing1 = _TailSet(suri(bucket1_uri), self._FlatListBucket(bucket1_uri))
listing2 = _TailSet(suri(bucket2_uri), self._FlatListBucket(bucket2_uri))
# First bucket should have un-altered content.
self.assertEquals(listing1, set(['/.obj2', '/obj6', '/subdir/obj3']))
# Second bucket should have content like first bucket but without the
# subdir objects synchronized.
self.assertEquals(listing2, set(['/.obj2', '/obj6', '/subdir/obj3']))
_Check3()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check4():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', '-r', suri(bucket1_uri), suri(bucket2_uri)],
return_stderr=True))
_Check4()
# Test sequential upload as well as parallel composite upload case.
@SequentialAndParallelTransfer
@unittest.skipUnless(UsingCrcmodExtension(crcmod),
'Test requires fast crcmod.')
def test_dir_to_bucket_minus_d(self):
"""Tests that flat and recursive rsync dir to bucket works correctly."""
# Create dir and bucket with 1 overlapping object, 1 extra object at root
# level in each, and 1 extra object 1 level down in each, where one of the
# objects starts with "." to test that we don't skip those objects. Make the
# overlapping objects named the same but with different content, to test
# that we detect and properly copy in that case.
tmpdir = self.CreateTempDir()
subdir = os.path.join(tmpdir, 'subdir')
os.mkdir(subdir)
bucket_uri = self.CreateBucket()
self.CreateTempFile(tmpdir=tmpdir, file_name='obj1', contents='obj1')
self.CreateTempFile(tmpdir=tmpdir, file_name='.obj2', contents='.obj2')
self.CreateTempFile(tmpdir=subdir, file_name='obj3', contents='subdir/obj3')
self.CreateObject(bucket_uri=bucket_uri, object_name='.obj2',
contents='.OBJ2')
self.CreateObject(bucket_uri=bucket_uri, object_name='obj4',
contents='obj4')
self.CreateObject(bucket_uri=bucket_uri, object_name='subdir/obj5',
contents='subdir/obj5')
# Need to make sure the bucket listing is caught-up, otherwise the
# first rsync may not see .obj2 and overwrite it.
self.AssertNObjectsInBucket(bucket_uri, 3)
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Tests rsync works as expected."""
self.RunGsUtil(['rsync', '-d', tmpdir, suri(bucket_uri)])
listing1 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
listing2 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
# Dir should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/subdir/obj3']))
# Bucket should have content like dir but without the subdir objects
# synchronized.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/subdir/obj5']))
# Assert that the src/dest objects that had same length but different
# content were not synchronized (dir to bucket sync doesn't use checksums
# unless you specify -c).
with open(os.path.join(tmpdir, '.obj2')) as f:
self.assertEquals('.obj2', '\n'.join(f.readlines()))
self.assertEquals('.OBJ2', self.RunGsUtil(
['cat', suri(bucket_uri, '.obj2')], return_stdout=True))
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', tmpdir, suri(bucket_uri)], return_stderr=True))
_Check2()
# Now rerun the sync with the -c option.
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check3():
"""Tests rsync -c works as expected."""
self.RunGsUtil(['rsync', '-d', '-c', tmpdir, suri(bucket_uri)])
listing1 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
listing2 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
# Dir should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/subdir/obj3']))
# Bucket should have content like dir but without the subdir objects
# synchronized.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/subdir/obj5']))
# Assert that the src/dest objects that had same length but different
# content were synchronized (dir to bucket sync with -c uses checksums).
with open(os.path.join(tmpdir, '.obj2')) as f:
self.assertEquals('.obj2', '\n'.join(f.readlines()))
self.assertEquals('.obj2', self.RunGsUtil(
['cat', suri(bucket_uri, '.obj2')], return_stdout=True))
_Check3()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check4():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', '-c', tmpdir, suri(bucket_uri)], return_stderr=True))
_Check4()
# Now add and remove some objects in dir and bucket and test rsync -r.
self.CreateTempFile(tmpdir=tmpdir, file_name='obj6', contents='obj6')
self.CreateObject(bucket_uri=bucket_uri, object_name='obj7',
contents='obj7')
os.unlink(os.path.join(tmpdir, 'obj1'))
self.RunGsUtil(['rm', suri(bucket_uri, '.obj2')])
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check5():
self.RunGsUtil(['rsync', '-d', '-r', tmpdir, suri(bucket_uri)])
listing1 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
listing2 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
# Dir should have un-altered content.
self.assertEquals(listing1, set(['/.obj2', '/obj6', '/subdir/obj3']))
# Bucket should have content like dir but without the subdir objects
# synchronized.
self.assertEquals(listing2, set(['/.obj2', '/obj6', '/subdir/obj3']))
_Check5()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check6():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', '-r', tmpdir, suri(bucket_uri)], return_stderr=True))
_Check6()
@unittest.skipUnless(UsingCrcmodExtension(crcmod),
'Test requires fast crcmod.')
def test_dir_to_dir_minus_d(self):
"""Tests that flat and recursive rsync dir to dir works correctly."""
# Create 2 dirs with 1 overlapping file, 1 extra file at root
# level in each, and 1 extra file 1 level down in each, where one of the
# objects starts with "." to test that we don't skip those objects. Make the
# overlapping files named the same but with different content, to test
# that we detect and properly copy in that case.
tmpdir1 = self.CreateTempDir()
tmpdir2 = self.CreateTempDir()
subdir1 = os.path.join(tmpdir1, 'subdir1')
subdir2 = os.path.join(tmpdir2, 'subdir2')
os.mkdir(subdir1)
os.mkdir(subdir2)
self.CreateTempFile(tmpdir=tmpdir1, file_name='obj1', contents='obj1')
self.CreateTempFile(tmpdir=tmpdir1, file_name='.obj2', contents='.obj2')
self.CreateTempFile(
tmpdir=subdir1, file_name='obj3', contents='subdir1/obj3')
self.CreateTempFile(tmpdir=tmpdir2, file_name='.obj2', contents='.OBJ2')
self.CreateTempFile(tmpdir=tmpdir2, file_name='obj4', contents='obj4')
self.CreateTempFile(
tmpdir=subdir2, file_name='obj5', contents='subdir2/obj5')
self.RunGsUtil(['rsync', '-d', tmpdir1, tmpdir2])
listing1 = _TailSet(tmpdir1, self._FlatListDir(tmpdir1))
listing2 = _TailSet(tmpdir2, self._FlatListDir(tmpdir2))
# dir1 should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/subdir1/obj3']))
# dir2 should have content like dir1 but without the subdir1 objects
# synchronized.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/subdir2/obj5']))
# Assert that the src/dest objects that had same length but different
# checksums were not synchronized (dir to dir sync doesn't use checksums
# unless you specify -c).
with open(os.path.join(tmpdir1, '.obj2')) as f:
self.assertEquals('.obj2', '\n'.join(f.readlines()))
with open(os.path.join(tmpdir2, '.obj2')) as f:
self.assertEquals('.OBJ2', '\n'.join(f.readlines()))
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', tmpdir1, tmpdir2], return_stderr=True))
_Check1()
# Now rerun the sync with the -c option.
self.RunGsUtil(['rsync', '-d', '-c', tmpdir1, tmpdir2])
listing1 = _TailSet(tmpdir1, self._FlatListDir(tmpdir1))
listing2 = _TailSet(tmpdir2, self._FlatListDir(tmpdir2))
# dir1 should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/subdir1/obj3']))
# dir2 should have content like dir but without the subdir objects
# synchronized.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/subdir2/obj5']))
# Assert that the src/dest objects that had same length but different
# content were synchronized (dir to dir sync with -c uses checksums).
with open(os.path.join(tmpdir1, '.obj2')) as f:
self.assertEquals('.obj2', '\n'.join(f.readlines()))
with open(os.path.join(tmpdir1, '.obj2')) as f:
self.assertEquals('.obj2', '\n'.join(f.readlines()))
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', '-c', tmpdir1, tmpdir2], return_stderr=True))
_Check2()
# Now add and remove some objects in both dirs and test rsync -r.
self.CreateTempFile(tmpdir=tmpdir1, file_name='obj6', contents='obj6')
self.CreateTempFile(tmpdir=tmpdir2, file_name='obj7', contents='obj7')
os.unlink(os.path.join(tmpdir1, 'obj1'))
os.unlink(os.path.join(tmpdir2, '.obj2'))
self.RunGsUtil(['rsync', '-d', '-r', tmpdir1, tmpdir2])
listing1 = _TailSet(tmpdir1, self._FlatListDir(tmpdir1))
listing2 = _TailSet(tmpdir2, self._FlatListDir(tmpdir2))
# dir1 should have un-altered content.
self.assertEquals(listing1, set(['/.obj2', '/obj6', '/subdir1/obj3']))
# dir2 should have content like dir but without the subdir objects
# synchronized.
self.assertEquals(listing2, set(['/.obj2', '/obj6', '/subdir1/obj3']))
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check3():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', '-r', tmpdir1, tmpdir2], return_stderr=True))
_Check3()
def test_dir_to_dir_minus_d_more_files_than_bufsize(self):
"""Tests concurrently building listing from multiple tmp file ranges."""
# Create 2 dirs, where each dir has 1000 objects and differing names.
tmpdir1 = self.CreateTempDir()
tmpdir2 = self.CreateTempDir()
for i in range(0, 1000):
self.CreateTempFile(tmpdir=tmpdir1, file_name='d1-%s' %i, contents='x')
self.CreateTempFile(tmpdir=tmpdir2, file_name='d2-%s' %i, contents='y')
# We open a new temp file each time we reach rsync_buffer_lines of
# listing output. On Windows, this will result in a 'too many open file
# handles' error, so choose a larger value so as not to open so many files.
rsync_buffer_config = [('GSUtil', 'rsync_buffer_lines',
'50' if IS_WINDOWS else '2')]
# Run gsutil with config option to make buffer size << # files.
with SetBotoConfigForTest(rsync_buffer_config):
self.RunGsUtil(['rsync', '-d', tmpdir1, tmpdir2])
listing1 = _TailSet(tmpdir1, self._FlatListDir(tmpdir1))
listing2 = _TailSet(tmpdir2, self._FlatListDir(tmpdir2))
self.assertEquals(listing1, listing2)
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', tmpdir1, tmpdir2], return_stderr=True))
_Check()
@unittest.skipUnless(UsingCrcmodExtension(crcmod),
'Test requires fast crcmod.')
def test_bucket_to_dir_minus_d(self):
"""Tests that flat and recursive rsync bucket to dir works correctly."""
# Create bucket and dir with 1 overlapping object, 1 extra object at root
# level in each, and 1 extra object 1 level down in each, where one of the
# objects starts with "." to test that we don't skip those objects. Make the
# overlapping objects named the same but with different content, to test
# that we detect and properly copy in that case.
bucket_uri = self.CreateBucket()
tmpdir = self.CreateTempDir()
subdir = os.path.join(tmpdir, 'subdir')
os.mkdir(subdir)
self.CreateObject(bucket_uri=bucket_uri, object_name='obj1',
contents='obj1')
self.CreateObject(bucket_uri=bucket_uri, object_name='.obj2',
contents='.obj2')
self.CreateObject(bucket_uri=bucket_uri, object_name='subdir/obj3',
contents='subdir/obj3')
self.CreateTempFile(tmpdir=tmpdir, file_name='.obj2', contents='.OBJ2')
self.CreateTempFile(tmpdir=tmpdir, file_name='obj4', contents='obj4')
self.CreateTempFile(tmpdir=subdir, file_name='obj5', contents='subdir/obj5')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Tests rsync works as expected."""
self.RunGsUtil(['rsync', '-d', suri(bucket_uri), tmpdir])
listing1 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
listing2 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
# Bucket should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/subdir/obj3']))
# Dir should have content like bucket but without the subdir objects
# synchronized.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/subdir/obj5']))
# Assert that the src/dest objects that had same length but different
# content were not synchronized (bucket to dir sync doesn't use checksums
# unless you specify -c).
self.assertEquals('.obj2', self.RunGsUtil(
['cat', suri(bucket_uri, '.obj2')], return_stdout=True))
with open(os.path.join(tmpdir, '.obj2')) as f:
self.assertEquals('.OBJ2', '\n'.join(f.readlines()))
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', suri(bucket_uri), tmpdir], return_stderr=True))
_Check2()
# Now rerun the sync with the -c option.
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check3():
"""Tests rsync -c works as expected."""
self.RunGsUtil(['rsync', '-d', '-c', suri(bucket_uri), tmpdir])
listing1 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
listing2 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
# Bucket should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/subdir/obj3']))
# Dir should have content like bucket but without the subdir objects
# synchronized.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/subdir/obj5']))
# Assert that the src/dest objects that had same length but different
# content were synchronized (bucket to dir sync with -c uses checksums).
self.assertEquals('.obj2', self.RunGsUtil(
['cat', suri(bucket_uri, '.obj2')], return_stdout=True))
with open(os.path.join(tmpdir, '.obj2')) as f:
self.assertEquals('.obj2', '\n'.join(f.readlines()))
_Check3()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check4():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', '-c', suri(bucket_uri), tmpdir], return_stderr=True))
_Check4()
# Now add and remove some objects in dir and bucket and test rsync -r.
self.CreateObject(bucket_uri=bucket_uri, object_name='obj6',
contents='obj6')
self.CreateTempFile(tmpdir=tmpdir, file_name='obj7', contents='obj7')
self.RunGsUtil(['rm', suri(bucket_uri, 'obj1')])
os.unlink(os.path.join(tmpdir, '.obj2'))
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check5():
self.RunGsUtil(['rsync', '-d', '-r', suri(bucket_uri), tmpdir])
listing1 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
listing2 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
# Bucket should have un-altered content.
self.assertEquals(listing1, set(['/.obj2', '/obj6', '/subdir/obj3']))
# Dir should have content like bucket but without the subdir objects
# synchronized.
self.assertEquals(listing2, set(['/.obj2', '/obj6', '/subdir/obj3']))
_Check5()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check6():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', '-r', suri(bucket_uri), tmpdir], return_stderr=True))
_Check6()
def test_bucket_to_dir_minus_d_with_fname_case_change(self):
"""Tests that name case changes work correctly.
Example:
Windows filenames are case-preserving in what you wrote, but case-
insensitive when compared. If you synchronize from FS to cloud and then
change case-naming in local files, you could end up with this situation:
Cloud copy is called .../TiVo/...
FS copy is called .../Tivo/...
Then, if you sync from cloud to FS, if rsync doesn't recognize that on
Windows these names are identical, each rsync run will cause both a copy
and a delete to be executed.
"""
# Create bucket and dir with same objects, but dir copy has different name
# case.
bucket_uri = self.CreateBucket()
tmpdir = self.CreateTempDir()
self.CreateObject(bucket_uri=bucket_uri, object_name='obj1',
contents='obj1')
self.CreateTempFile(tmpdir=tmpdir, file_name='Obj1', contents='obj1')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Tests rsync works as expected."""
output = self.RunGsUtil(
['rsync', '-d', '-r', suri(bucket_uri), tmpdir], return_stderr=True)
# Nothing should be copied or removed under Windows.
if IS_WINDOWS:
self.assertEquals(NO_CHANGES, output)
else:
self.assertNotEquals(NO_CHANGES, output)
_Check1()
def test_bucket_to_dir_minus_d_with_leftover_dir_placeholder(self):
"""Tests that we correctly handle leftover dir placeholders.
See comments in gslib.commands.rsync._FieldedListingIterator for details.
"""
bucket_uri = self.CreateBucket()
tmpdir = self.CreateTempDir()
self.CreateObject(bucket_uri=bucket_uri, object_name='obj1',
contents='obj1')
# Create a placeholder like what can be left over by web GUI tools.
key_uri = bucket_uri.clone_replace_name('/')
key_uri.set_contents_from_string('')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Tests rsync works as expected."""
output = self.RunGsUtil(
['rsync', '-d', '-r', suri(bucket_uri), tmpdir], return_stderr=True)
listing1 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
listing2 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
# Bucket should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '//']))
# Bucket should not have the placeholder object.
self.assertEquals(listing2, set(['/obj1']))
_Check1()
@unittest.skipIf(IS_WINDOWS, 'os.symlink() is not available on Windows.')
def test_rsync_minus_d_minus_e(self):
"""Tests that rsync -e ignores symlinks."""
tmpdir = self.CreateTempDir()
subdir = os.path.join(tmpdir, 'subdir')
os.mkdir(subdir)
bucket_uri = self.CreateBucket()
fpath1 = self.CreateTempFile(
tmpdir=tmpdir, file_name='obj1', contents='obj1')
self.CreateTempFile(tmpdir=tmpdir, file_name='.obj2', contents='.obj2')
self.CreateTempFile(tmpdir=subdir, file_name='obj3', contents='subdir/obj3')
good_symlink_path = os.path.join(tmpdir, 'symlink1')
os.symlink(fpath1, good_symlink_path)
# Make a symlink that points to a non-existent path to test that -e also
# handles that case.
bad_symlink_path = os.path.join(tmpdir, 'symlink2')
os.symlink(os.path.join('/', 'non-existent'), bad_symlink_path)
self.CreateObject(bucket_uri=bucket_uri, object_name='.obj2',
contents='.OBJ2')
self.CreateObject(bucket_uri=bucket_uri, object_name='obj4',
contents='obj4')
self.CreateObject(bucket_uri=bucket_uri, object_name='subdir/obj5',
contents='subdir/obj5')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Ensure listings match the commented expectations."""
self.RunGsUtil(['rsync', '-d', '-e', tmpdir, suri(bucket_uri)])
listing1 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
listing2 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
# Dir should have un-altered content.
self.assertEquals(
listing1,
set(['/obj1', '/.obj2', '/subdir/obj3', '/symlink1', '/symlink2']))
# Bucket should have content like dir but without the symlink, and
# without subdir objects synchronized.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/subdir/obj5']))
_Check1()
# Now remove invalid symlink and run without -e, and see that symlink gets
# copied (as file to which it points). Use @Retry as hedge against bucket
# listing eventual consistency.
os.unlink(bad_symlink_path)
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
"""Tests rsync works as expected."""
self.RunGsUtil(['rsync', '-d', tmpdir, suri(bucket_uri)])
listing1 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
listing2 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
# Dir should have un-altered content.
self.assertEquals(
listing1, set(['/obj1', '/.obj2', '/subdir/obj3', '/symlink1']))
# Bucket should have content like dir but without the symlink, and
# without subdir objects synchronized.
self.assertEquals(
listing2, set(['/obj1', '/.obj2', '/subdir/obj5', '/symlink1']))
self.assertEquals('obj1', self.RunGsUtil(
['cat', suri(bucket_uri, 'symlink1')], return_stdout=True))
_Check2()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check3():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', tmpdir, suri(bucket_uri)], return_stderr=True))
_Check3()
@SkipForS3('S3 does not support composite objects')
def test_bucket_to_bucket_minus_d_with_composites(self):
"""Tests that rsync works with composite objects (which don't have MD5s)."""
bucket1_uri = self.CreateBucket()
bucket2_uri = self.CreateBucket()
self.CreateObject(bucket_uri=bucket1_uri, object_name='obj1',
contents='obj1')
self.CreateObject(bucket_uri=bucket1_uri, object_name='.obj2',
contents='.obj2')
self.RunGsUtil(
['compose', suri(bucket1_uri, 'obj1'), suri(bucket1_uri, '.obj2'),
suri(bucket1_uri, 'obj3')])
self.CreateObject(bucket_uri=bucket2_uri, object_name='.obj2',
contents='.OBJ2')
self.CreateObject(bucket_uri=bucket2_uri, object_name='obj4',
contents='obj4')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
self.RunGsUtil(['rsync', '-d', suri(bucket1_uri), suri(bucket2_uri)])
listing1 = _TailSet(suri(bucket1_uri), self._FlatListBucket(bucket1_uri))
listing2 = _TailSet(suri(bucket2_uri), self._FlatListBucket(bucket2_uri))
# First bucket should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/obj3']))
# Second bucket should have content like first bucket but without the
# subdir objects synchronized.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/obj3']))
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', suri(bucket1_uri), suri(bucket2_uri)],
return_stderr=True))
_Check2()
def test_bucket_to_bucket_minus_d_empty_dest(self):
"""Tests working with empty dest bucket (iter runs out before src iter)."""
bucket1_uri = self.CreateBucket()
bucket2_uri = self.CreateBucket()
self.CreateObject(bucket_uri=bucket1_uri, object_name='obj1',
contents='obj1')
self.CreateObject(bucket_uri=bucket1_uri, object_name='.obj2',
contents='.obj2')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
self.RunGsUtil(['rsync', '-d', suri(bucket1_uri), suri(bucket2_uri)])
listing1 = _TailSet(suri(bucket1_uri), self._FlatListBucket(bucket1_uri))
listing2 = _TailSet(suri(bucket2_uri), self._FlatListBucket(bucket2_uri))
self.assertEquals(listing1, set(['/obj1', '/.obj2']))
self.assertEquals(listing2, set(['/obj1', '/.obj2']))
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', suri(bucket1_uri), suri(bucket2_uri)],
return_stderr=True))
_Check2()
def test_bucket_to_bucket_minus_d_empty_src(self):
"""Tests working with empty src bucket (iter runs out before dst iter)."""
bucket1_uri = self.CreateBucket()
bucket2_uri = self.CreateBucket()
self.CreateObject(bucket_uri=bucket2_uri, object_name='obj1',
contents='obj1')
self.CreateObject(bucket_uri=bucket2_uri, object_name='.obj2',
contents='.obj2')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
self.RunGsUtil(['rsync', '-d', suri(bucket1_uri), suri(bucket2_uri)])
stderr = self.RunGsUtil(['ls', suri(bucket1_uri, '**')],
expected_status=1, return_stderr=True)
self.assertIn('One or more URLs matched no objects', stderr)
stderr = self.RunGsUtil(['ls', suri(bucket2_uri, '**')],
expected_status=1, return_stderr=True)
self.assertIn('One or more URLs matched no objects', stderr)
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', suri(bucket1_uri), suri(bucket2_uri)],
return_stderr=True))
_Check2()
def test_rsync_minus_d_minus_p(self):
"""Tests that rsync -p preserves ACLs."""
bucket1_uri = self.CreateBucket()
bucket2_uri = self.CreateBucket()
self.CreateObject(bucket_uri=bucket1_uri, object_name='obj1',
contents='obj1')
# Set public-read (non-default) ACL so we can verify that rsync -p works.
self.RunGsUtil(['acl', 'set', 'public-read', suri(bucket1_uri, 'obj1')])
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Tests rsync -p works as expected."""
self.RunGsUtil(['rsync', '-d', '-p', suri(bucket1_uri),
suri(bucket2_uri)])
listing1 = _TailSet(suri(bucket1_uri), self._FlatListBucket(bucket1_uri))
listing2 = _TailSet(suri(bucket2_uri), self._FlatListBucket(bucket2_uri))
self.assertEquals(listing1, set(['/obj1']))
self.assertEquals(listing2, set(['/obj1']))
acl1_json = self.RunGsUtil(['acl', 'get', suri(bucket1_uri, 'obj1')],
return_stdout=True)
acl2_json = self.RunGsUtil(['acl', 'get', suri(bucket2_uri, 'obj1')],
return_stdout=True)
self.assertEquals(acl1_json, acl2_json)
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', '-p', suri(bucket1_uri), suri(bucket2_uri)],
return_stderr=True))
_Check2()
def test_rsync_to_nonexistent_bucket_subdir(self):
"""Tests that rsync to non-existent bucket subdir works."""
# Create dir with some objects and empty bucket.
tmpdir = self.CreateTempDir()
subdir = os.path.join(tmpdir, 'subdir')
os.mkdir(subdir)
bucket_url = self.CreateBucket()
self.CreateTempFile(tmpdir=tmpdir, file_name='obj1', contents='obj1')
self.CreateTempFile(tmpdir=tmpdir, file_name='.obj2', contents='.obj2')
self.CreateTempFile(tmpdir=subdir, file_name='obj3', contents='subdir/obj3')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Tests rsync works as expected."""
self.RunGsUtil(['rsync', '-r', tmpdir, suri(bucket_url, 'subdir')])
listing1 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
listing2 = _TailSet(
suri(bucket_url, 'subdir'),
self._FlatListBucket(bucket_url.clone_replace_name('subdir')))
# Dir should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/subdir/obj3']))
# Bucket subdir should have content like dir.
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/subdir/obj3']))
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-r', tmpdir, suri(bucket_url, 'subdir')],
return_stderr=True))
_Check2()
def test_rsync_from_nonexistent_bucket(self):
"""Tests that rsync from a non-existent bucket subdir fails gracefully."""
tmpdir = self.CreateTempDir()
self.CreateTempFile(tmpdir=tmpdir, file_name='obj1', contents='obj1')
self.CreateTempFile(tmpdir=tmpdir, file_name='.obj2', contents='.obj2')
bucket_url_str = '%s://%s' % (
self.default_provider, self.nonexistent_bucket_name)
stderr = self.RunGsUtil(['rsync', '-d', bucket_url_str, tmpdir],
expected_status=1, return_stderr=True)
self.assertIn('Caught non-retryable exception', stderr)
listing = _TailSet(tmpdir, self._FlatListDir(tmpdir))
# Dir should have un-altered content.
self.assertEquals(listing, set(['/obj1', '/.obj2']))
def test_rsync_to_nonexistent_bucket(self):
"""Tests that rsync from a non-existent bucket subdir fails gracefully."""
tmpdir = self.CreateTempDir()
self.CreateTempFile(tmpdir=tmpdir, file_name='obj1', contents='obj1')
self.CreateTempFile(tmpdir=tmpdir, file_name='.obj2', contents='.obj2')
bucket_url_str = '%s://%s' % (
self.default_provider, self.nonexistent_bucket_name)
stderr = self.RunGsUtil(['rsync', '-d', bucket_url_str, tmpdir],
expected_status=1, return_stderr=True)
self.assertIn('Caught non-retryable exception', stderr)
listing = _TailSet(tmpdir, self._FlatListDir(tmpdir))
# Dir should have un-altered content.
self.assertEquals(listing, set(['/obj1', '/.obj2']))
def test_bucket_to_bucket_minus_d_with_overwrite_and_punc_chars(self):
"""Tests that punc chars in filenames don't confuse sort order."""
bucket1_uri = self.CreateBucket()
bucket2_uri = self.CreateBucket()
# Create 2 objects in each bucket, with one overwritten with a name that's
# less than the next name in destination bucket when encoded, but not when
# compared without encoding.
self.CreateObject(bucket_uri=bucket1_uri, object_name='e/obj1',
contents='obj1')
self.CreateObject(bucket_uri=bucket1_uri, object_name='e-1/.obj2',
contents='.obj2')
self.CreateObject(bucket_uri=bucket2_uri, object_name='e/obj1',
contents='OBJ1')
self.CreateObject(bucket_uri=bucket2_uri, object_name='e-1/.obj2',
contents='.obj2')
# Need to make sure the bucket listings are caught-up, otherwise the
# rsync may not see all objects and fail to synchronize correctly.
self.AssertNObjectsInBucket(bucket1_uri, 2)
self.AssertNObjectsInBucket(bucket2_uri, 2)
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Tests rsync works as expected."""
self.RunGsUtil(['rsync', '-rd', suri(bucket1_uri), suri(bucket2_uri)])
listing1 = _TailSet(suri(bucket1_uri), self._FlatListBucket(bucket1_uri))
listing2 = _TailSet(suri(bucket2_uri), self._FlatListBucket(bucket2_uri))
# First bucket should have un-altered content.
self.assertEquals(listing1, set(['/e/obj1', '/e-1/.obj2']))
self.assertEquals(listing2, set(['/e/obj1', '/e-1/.obj2']))
# Assert correct contents.
self.assertEquals('obj1', self.RunGsUtil(
['cat', suri(bucket2_uri, 'e/obj1')], return_stdout=True))
self.assertEquals('.obj2', self.RunGsUtil(
['cat', suri(bucket2_uri, 'e-1/.obj2')], return_stdout=True))
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', suri(bucket1_uri), suri(bucket2_uri)],
return_stderr=True))
_Check2()
def test_dir_to_bucket_minus_x(self):
"""Tests that rsync -x option works correctly."""
# Create dir and bucket with 1 overlapping and 2 extra objects in each.
tmpdir = self.CreateTempDir()
bucket_uri = self.CreateBucket()
self.CreateTempFile(tmpdir=tmpdir, file_name='obj1', contents='obj1')
self.CreateTempFile(tmpdir=tmpdir, file_name='.obj2', contents='.obj2')
self.CreateTempFile(tmpdir=tmpdir, file_name='obj3', contents='obj3')
self.CreateObject(bucket_uri=bucket_uri, object_name='.obj2',
contents='.obj2')
self.CreateObject(bucket_uri=bucket_uri, object_name='obj4',
contents='obj4')
self.CreateObject(bucket_uri=bucket_uri, object_name='obj5',
contents='obj5')
# Need to make sure the bucket listing is caught-up, otherwise the
# first rsync may not see .obj2 and overwrite it.
self.AssertNObjectsInBucket(bucket_uri, 3)
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check1():
"""Tests rsync works as expected."""
self.RunGsUtil(['rsync', '-d', '-x', 'obj[34]', tmpdir, suri(bucket_uri)])
listing1 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
listing2 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
# Dir should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/.obj2', '/obj3']))
# Bucket should have content like dir but ignoring obj3 from dir and not
# deleting obj4 from bucket (per exclude regex).
self.assertEquals(listing2, set(['/obj1', '/.obj2', '/obj4']))
_Check1()
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check2():
# Check that re-running the same rsync command causes no more changes.
self.assertEquals(NO_CHANGES, self.RunGsUtil(
['rsync', '-d', '-x', 'obj[34]', tmpdir, suri(bucket_uri)],
return_stderr=True))
_Check2()
@unittest.skipIf(IS_WINDOWS,
"os.chmod() won't make file unreadable on Windows.")
def test_dir_to_bucket_minus_C(self):
"""Tests that rsync -C option works correctly."""
# Create dir with 3 objects, the middle of which is unreadable.
tmpdir = self.CreateTempDir()
bucket_uri = self.CreateBucket()
self.CreateTempFile(tmpdir=tmpdir, file_name='obj1', contents='obj1')
path = self.CreateTempFile(tmpdir=tmpdir, file_name='obj2', contents='obj2')
os.chmod(path, 0)
self.CreateTempFile(tmpdir=tmpdir, file_name='obj3', contents='obj3')
# Use @Retry as hedge against bucket listing eventual consistency.
@Retry(AssertionError, tries=3, timeout_secs=1)
def _Check():
"""Tests rsync works as expected."""
stderr = self.RunGsUtil(['rsync', '-C', tmpdir, suri(bucket_uri)],
expected_status=1, return_stderr=True)
self.assertIn('1 files/objects could not be copied/removed.', stderr)
listing1 = _TailSet(tmpdir, self._FlatListDir(tmpdir))
listing2 = _TailSet(suri(bucket_uri), self._FlatListBucket(bucket_uri))
# Dir should have un-altered content.
self.assertEquals(listing1, set(['/obj1', '/obj2', '/obj3']))
# Bucket should have obj1 and obj3 even though obj2 was unreadable.
self.assertEquals(listing2, set(['/obj1', '/obj3']))
_Check()