def _create_checksum_file(self, checksum, filename):
compressed_blocks = None
compress = Compress(self.source_filename)
if compress.get_format():
compressed_blocks = self._block_list(
os.path.getsize(self.source_filename)
)
compress.uncompress(temporary=True)
blocks = self._block_list(
os.path.getsize(compress.uncompressed_filename)
)
checksum = self._calculate_hash_hexdigest(
hashlib.md5(), compress.uncompressed_filename
)
else:
blocks = self._block_list(
os.path.getsize(self.source_filename)
)
with open(filename, 'w') as checksum_file:
if compressed_blocks:
checksum_file.write(
'%s %s %s %s %s\n' % (
checksum, blocks.blocks, blocks.blocksize,
compressed_blocks.blocks, compressed_blocks.blocksize
)
)
else:
checksum_file.write(
'%s %s %s\n' % (
checksum, blocks.blocks, blocks.blocksize
)
)
def sync_data(self):
"""
Synchronize data from the given base image to the target root
directory.
"""
if not self.unknown_uri:
compressor = Compress(self.image_file)
if compressor.get_format():
compressor.uncompress(True)
self.uncompressed_image = compressor.uncompressed_filename
else:
self.uncompressed_image = self.image_file
image_uri = '{0}:{1}'.format(
self.archive_transport, self.uncompressed_image
)
else:
log.warning('Bypassing base image URI to OCI tools')
image_uri = self.unknown_uri
oci = OCI.new()
oci.import_container_image(image_uri)
oci.unpack()
oci.import_rootfs(self.root_dir)
# A copy of the uncompressed image and its checksum are
# kept inside the root_dir in order to ensure the later steps
# i.e. system create are atomic and don't need any third
# party archive.
image_copy = Defaults.get_imported_root_image(self.root_dir)
Path.create(os.path.dirname(image_copy))
oci.export_container_image(
image_copy, 'oci-archive', Defaults.get_container_base_image_tag()
)
self._make_checksum(image_copy)
def _create_checksum_file(self, checksum, filename):
"""
Creates the text file that contains the checksum
:param str checksum: checksum to include into the file
:param str filename: filename of the output file
"""
compressed_blocks = None
compress = Compress(self.source_filename)
if compress.get_format():
compressed_blocks = self._block_list(
os.path.getsize(self.source_filename))
compress.uncompress(temporary=True)
blocks = self._block_list(
os.path.getsize(compress.uncompressed_filename))
checksum = self._calculate_hash_hexdigest(
hashlib.md5(), compress.uncompressed_filename)
else:
blocks = self._block_list(os.path.getsize(self.source_filename))
with open(filename, encoding=self.ascii, mode='w') as checksum_file:
if compressed_blocks:
checksum_file.write(
'%s %s %s %s %s\n' %
(checksum, blocks.blocks, blocks.blocksize,
compressed_blocks.blocks, compressed_blocks.blocksize))
else:
checksum_file.write(
'%s %s %s\n' % (checksum, blocks.blocks, blocks.blocksize))
def test_get_format_invalid_format(self, mock_run):
mock_run.side_effect = ValueError("nothing")
invalid = Compress("../data/gz_data.gz")
invalid.supported_zipper = ["mock_zip"]
with self._caplog.at_level(logging.DEBUG):
assert invalid.get_format() is None
mock_run.assert_called_once_with(
['mock_zip', '-l', '../data/gz_data.gz'])
assert 'Error running "mock_zip -l ../data/gz_data.gz", got a'
' ValueError: nothing' in self._caplog.text
def test_get_format_invalid_format(self, mock_run, mock_log):
mock_run.side_effect = ValueError("nothing")
invalid = Compress("../data/gz_data.gz")
invalid.supported_zipper = ["mock_zip"]
assert invalid.get_format() is None
mock_run.assert_called_once_with(
['mock_zip', '-l', '../data/gz_data.gz'])
mock_log.assert_called_once_with(
'Error running "mock_zip -l ../data/gz_data.gz", got a'
' ValueError: nothing')
def extract_oci_image(self):
"""
Extract and converts to OCI the image from the provided
image file to a temporary location to KIWI can work with it.
"""
if not self.unknown_uri:
compressor = Compress(self.image_file)
if compressor.get_format():
compressor.uncompress(True)
self.uncompressed_image = compressor.uncompressed_filename
else:
self.uncompressed_image = self.image_file
skopeo_uri = 'docker-archive:{0}'.format(self.uncompressed_image)
else:
log.warning('Bypassing base image URI to skopeo tool')
skopeo_uri = self.unknown_uri
Command.run([
'skopeo', 'copy', skopeo_uri,
'oci:{0}:base_layer'.format(self.oci_layout_dir)
])
def _create_checksum_file(self, checksum, filename):
compressed_blocks = None
compress = Compress(self.source_filename)
if compress.get_format():
compressed_blocks = self._block_list(
os.path.getsize(self.source_filename))
compress.uncompress(temporary=True)
blocks = self._block_list(
os.path.getsize(compress.uncompressed_filename))
checksum = self._calculate_hash_hexdigest(
hashlib.md5(), compress.uncompressed_filename)
else:
blocks = self._block_list(os.path.getsize(self.source_filename))
with open(filename, 'w') as checksum_file:
if compressed_blocks:
checksum_file.write(
'%s %s %s %s %s\n' %
(checksum, blocks.blocks, blocks.blocksize,
compressed_blocks.blocks, compressed_blocks.blocksize))
else:
checksum_file.write(
'%s %s %s\n' % (checksum, blocks.blocks, blocks.blocksize))
def _create_checksum_file(self, checksum, filename):
"""
Creates the text file that contains the checksum
:param str checksum: checksum to include into the file
:param str filename: filename of the output file
"""
compressed_blocks = None
compress = Compress(self.source_filename)
if compress.get_format():
compressed_blocks = self._block_list(
os.path.getsize(self.source_filename)
)
compress.uncompress(temporary=True)
blocks = self._block_list(
os.path.getsize(compress.uncompressed_filename)
)
checksum = self._calculate_hash_hexdigest(
hashlib.md5(), compress.uncompressed_filename
)
else:
blocks = self._block_list(
os.path.getsize(self.source_filename)
)
with open(filename, 'w') as checksum_file:
if compressed_blocks:
checksum_file.write(
'%s %s %s %s %s\n' % (
checksum, blocks.blocks, blocks.blocksize,
compressed_blocks.blocks, compressed_blocks.blocksize
)
)
else:
checksum_file.write(
'%s %s %s\n' % (
checksum, blocks.blocks, blocks.blocksize
)
)
def test_get_format(self, mock_which):
mock_which.return_value = 'ziptool'
xz = Compress('../data/xz_data.xz')
assert xz.get_format() == 'xz'
gzip = Compress('../data/gz_data.gz')
assert gzip.get_format() == 'gzip'
def test_get_format(self, mock_which):
mock_which.return_value = 'ziptool'
xz = Compress('../data/xz_data.xz')
assert xz.get_format() == 'xz'
gzip = Compress('../data/gz_data.gz')
assert gzip.get_format() == 'gzip'
def test_get_format(self):
xz = Compress('../data/xz_data.xz')
assert xz.get_format() == 'xz'
gzip = Compress('../data/gz_data.gz')
assert gzip.get_format() == 'gzip'
def test_get_format(self):
xz = Compress('../data/xz_data.xz')
assert xz.get_format() == 'xz'
gzip = Compress('../data/gz_data.gz')
assert gzip.get_format() == 'gzip'
