[Notes] [Git][BuildStream/buildstream][master] 2 commits: buildstream/_cas/cascache.py: Set 0644 rights to pulled files



Title: GitLab

Valentin David pushed to branch master at BuildStream / buildstream

Commits:

2 changed files:

Changes:

  • buildstream/_cas/cascache.py
    ... ... @@ -376,9 +376,7 @@ class CASCache():
    376 376
                         for chunk in iter(lambda: tmp.read(_BUFFER_SIZE), b""):
    
    377 377
                             h.update(chunk)
    
    378 378
                     else:
    
    379
    -                    tmp = stack.enter_context(utils._tempnamedfile(dir=self.tmpdir))
    
    380
    -                    # Set mode bits to 0644
    
    381
    -                    os.chmod(tmp.name, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH)
    
    379
    +                    tmp = stack.enter_context(self._temporary_object())
    
    382 380
     
    
    383 381
                         if path:
    
    384 382
                             with open(path, 'rb') as f:
    
    ... ... @@ -827,6 +825,19 @@ class CASCache():
    827 825
             for dirnode in directory.directories:
    
    828 826
                 yield from self._required_blobs(dirnode.digest)
    
    829 827
     
    
    828
    +    # _temporary_object():
    
    829
    +    #
    
    830
    +    # Returns:
    
    831
    +    #     (file): A file object to a named temporary file.
    
    832
    +    #
    
    833
    +    # Create a named temporary file with 0o0644 access rights.
    
    834
    +    @contextlib.contextmanager
    
    835
    +    def _temporary_object(self):
    
    836
    +        with utils._tempnamedfile(dir=self.tmpdir) as f:
    
    837
    +            os.chmod(f.name,
    
    838
    +                     stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH)
    
    839
    +            yield f
    
    840
    +
    
    830 841
         # _ensure_blob():
    
    831 842
         #
    
    832 843
         # Fetch and add blob if it's not already local.
    
    ... ... @@ -844,7 +855,7 @@ class CASCache():
    844 855
                 # already in local repository
    
    845 856
                 return objpath
    
    846 857
     
    
    847
    -        with utils._tempnamedfile(dir=self.tmpdir) as f:
    
    858
    +        with self._temporary_object() as f:
    
    848 859
                 remote._fetch_blob(digest, f)
    
    849 860
     
    
    850 861
                 added_digest = self.add_object(path=f.name, link_directly=True)
    
    ... ... @@ -854,7 +865,7 @@ class CASCache():
    854 865
     
    
    855 866
         def _batch_download_complete(self, batch):
    
    856 867
             for digest, data in batch.send():
    
    857
    -            with utils._tempnamedfile(dir=self.tmpdir) as f:
    
    868
    +            with self._temporary_object() as f:
    
    858 869
                     f.write(data)
    
    859 870
                     f.flush()
    
    860 871
     
    

  • tests/frontend/pull.py
    1 1
     import os
    
    2 2
     import shutil
    
    3
    +import stat
    
    3 4
     import pytest
    
    4 5
     from buildstream.plugintestutils import cli
    
    5 6
     from tests.testutils import create_artifact_share, generate_junction
    
    ... ... @@ -462,3 +463,74 @@ def test_build_remote_option(caplog, cli, tmpdir, datafiles):
    462 463
             assert shareproject.repo not in result.stderr
    
    463 464
             assert shareuser.repo not in result.stderr
    
    464 465
             assert sharecli.repo in result.stderr
    
    466
    +
    
    467
    +
    
    468
    +@pytest.mark.datafiles(DATA_DIR)
    
    469
    +def test_pull_access_rights(caplog, cli, tmpdir, datafiles):
    
    470
    +    project = str(datafiles)
    
    471
    +    checkout = os.path.join(str(tmpdir), 'checkout')
    
    472
    +
    
    473
    +    # Work-around datafiles not preserving mode
    
    474
    +    os.chmod(os.path.join(project, 'files/bin-files/usr/bin/hello'), 0o0755)
    
    475
    +
    
    476
    +    # We need a big file that does not go into a batch to test a different
    
    477
    +    # code path
    
    478
    +    os.makedirs(os.path.join(project, 'files/dev-files/usr/share'), exist_ok=True)
    
    479
    +    with open(os.path.join(project, 'files/dev-files/usr/share/big-file'), 'w') as f:
    
    480
    +        buf = ' ' * 4096
    
    481
    +        for _ in range(1024):
    
    482
    +            f.write(buf)
    
    483
    +
    
    484
    +    with create_artifact_share(os.path.join(str(tmpdir), 'artifactshare')) as share:
    
    485
    +
    
    486
    +        cli.configure({
    
    487
    +            'artifacts': {'url': share.repo, 'push': True}
    
    488
    +        })
    
    489
    +        result = cli.run(project=project, args=['build', 'compose-all.bst'])
    
    490
    +        result.assert_success()
    
    491
    +
    
    492
    +        result = cli.run(project=project,
    
    493
    +                         args=['artifact', 'checkout',
    
    494
    +                               '--hardlinks', '--no-integrate',
    
    495
    +                               'compose-all.bst',
    
    496
    +                               '--directory', checkout])
    
    497
    +        result.assert_success()
    
    498
    +
    
    499
    +        st = os.lstat(os.path.join(checkout, 'usr/include/pony.h'))
    
    500
    +        assert stat.S_ISREG(st.st_mode)
    
    501
    +        assert stat.S_IMODE(st.st_mode) == 0o0644
    
    502
    +
    
    503
    +        st = os.lstat(os.path.join(checkout, 'usr/bin/hello'))
    
    504
    +        assert stat.S_ISREG(st.st_mode)
    
    505
    +        assert stat.S_IMODE(st.st_mode) == 0o0755
    
    506
    +
    
    507
    +        st = os.lstat(os.path.join(checkout, 'usr/share/big-file'))
    
    508
    +        assert stat.S_ISREG(st.st_mode)
    
    509
    +        assert stat.S_IMODE(st.st_mode) == 0o0644
    
    510
    +
    
    511
    +        shutil.rmtree(checkout)
    
    512
    +
    
    513
    +        artifacts = os.path.join(cli.directory, 'artifacts')
    
    514
    +        shutil.rmtree(artifacts)
    
    515
    +
    
    516
    +        result = cli.run(project=project, args=['artifact', 'pull', 'compose-all.bst'])
    
    517
    +        result.assert_success()
    
    518
    +
    
    519
    +        result = cli.run(project=project,
    
    520
    +                         args=['artifact', 'checkout',
    
    521
    +                               '--hardlinks', '--no-integrate',
    
    522
    +                               'compose-all.bst',
    
    523
    +                               '--directory', checkout])
    
    524
    +        result.assert_success()
    
    525
    +
    
    526
    +        st = os.lstat(os.path.join(checkout, 'usr/include/pony.h'))
    
    527
    +        assert stat.S_ISREG(st.st_mode)
    
    528
    +        assert stat.S_IMODE(st.st_mode) == 0o0644
    
    529
    +
    
    530
    +        st = os.lstat(os.path.join(checkout, 'usr/bin/hello'))
    
    531
    +        assert stat.S_ISREG(st.st_mode)
    
    532
    +        assert stat.S_IMODE(st.st_mode) == 0o0755
    
    533
    +
    
    534
    +        st = os.lstat(os.path.join(checkout, 'usr/share/big-file'))
    
    535
    +        assert stat.S_ISREG(st.st_mode)
    
    536
    +        assert stat.S_IMODE(st.st_mode) == 0o0644



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