def testGetBadManifest(self):
"""Tests that GetManifest failes on an unknown image."""
dl = downloader.DockerImageDownloader('non/existing:image')
with tempfile.TemporaryDirectory() as tmp_dir:
dl._output_directory = tmp_dir
with self.assertRaises(errors.DownloaderException):
dl._GetManifest()
def Main(self):
"""The main method for the DockerExplorerTool class.
It instantiates the Storage Object and Handles arguments parsing.
Raises:
ValueError: If the arguments couldn't be parsed.
"""
options = self.ParseArguments()
self._SetLogging(debug=options.debug)
self._explorer = explorer.Explorer()
if options.command == 'download':
try:
dl = downloader.DockerImageDownloader(options.image_name)
if options.what == 'all':
dl.DownloadPseudoDockerfile()
dl.DownloadLayers()
if options.what == 'dockerfile':
dl.DownloadPseudoDockerfile()
if options.what == 'layers':
dl.DownloadLayers()
except errors.DownloaderException as exc:
logger.debug(exc.message)
logger.debug(exc.http_message)
logger.error(
'Make sure the image \'{0:s}:{1:s}\' exists in the public Docker '
'Hub registry: https://hub.docker.com/r/{2:s}/tags'.format(
dl.repository, dl.tag, dl.repository))
return
self._explorer.SetDockerDirectory(options.docker_directory)
self._explorer.DetectDockerStorageVersion()
if not options.command:
self.ShowContainers()
elif options.command == 'mount':
self.Mount(options.container_id, options.mountpoint)
elif options.command == 'history':
self.ShowHistory(options.container_id,
show_empty_layers=options.show_empty)
elif options.command == 'list':
if options.what == 'all_containers':
self.ShowContainers()
elif options.what == 'running_containers':
self.ShowContainers(only_running=True)
elif options.what == 'repositories':
print(self._explorer.GetRepositoriesString())
else:
raise ValueError('Unhandled command %s' % options.command)
def testSetupRepository(self):
"""Tests the DockerImageDownloader._SetupRepository() method."""
dl = downloader.DockerImageDownloader('')
with tempfile.TemporaryDirectory() as tmp_dir:
dl._output_directory = tmp_dir
dl._SetupRepository('foo')
self.assertEqual('library/foo', dl.repository)
self.assertEqual('latest', dl.tag)
dl._SetupRepository('foo/bar')
self.assertEqual('foo/bar', dl.repository)
self.assertEqual('latest', dl.tag)
dl._SetupRepository('foo:bar')
self.assertEqual('library/foo', dl.repository)
self.assertEqual('bar', dl.tag)
dl._SetupRepository('foo/bar:baz')
self.assertEqual('foo/bar', dl.repository)
self.assertEqual('baz', dl.tag)
def setUpClass(cls):
cls.dl_object = downloader.DockerImageDownloader(cls.TEST_REPO)