def load_full_image(image_tag_string):
'''Create image object from image name and tag and return the object'''
test_image = DockerImage(image_tag_string)
failure_origin = formats.image_load_failure.format(
testimage=test_image.repotag)
try:
test_image.load_image()
except (NameError, subprocess.CalledProcessError, IOError, ValueError,
EOFError) as error:
logger.warning('Error in loading image: %s', str(error))
test_image.origins.add_notice_to_origins(failure_origin,
Notice(str(error), 'error'))
return test_image
def load_full_image(image_tag_string):
'''Create image object from image name and tag and return the object'''
test_image = DockerImage(image_tag_string)
failure_origin = formats.image_load_failure.format(
testimage=test_image.repotag)
try:
test_image.load_image()
except NameError as error:
test_image.origins.add_notice_to_origins(failure_origin,
Notice(str(error), 'error'))
except subprocess.CalledProcessError as error:
test_image.origins.add_notice_to_origins(
failure_origin, Notice(str(error.output, 'utf-8'), 'error'))
except IOError as error:
test_image.origins.add_notice_to_origins(failure_origin,
Notice(str(error), 'error'))
return test_image
class TestClassDockerImage(unittest.TestCase):
def setUp(self):
'''Using a specific image here. If this test fails due to the image
not being found anymore, pick a different image to test against
For now use Docker to pull the image from Dockerhub'''
create_working_dir()
rootfs.set_working_dir()
# this should check if the docker image extraction is successful
dump_docker_image('vmware/tern@sha256:20b32a9a20752aa1ad7582c667704f'
'da9f004cc4bfd8601fac7f2656c7567bb4')
self.image = DockerImage('vmware/tern@sha256:20b32a9a20752aa1ad7582c6'
'67704fda9f004cc4bfd8601fac7f2656c7567bb4')
# constants for this image
self.layer = ('c1c3a87012e7ff5791b31e94515b661'
'cdf06f6d5dc2f9a6245eda8774d257a13')
self.no_layers = 1
self.created_by = ('/bin/sh -c #(nop) ADD '
'file:92137e724f46c720d8083a11290c67'
'd9daa387e523336b1757a0e3c4f5867cd5 '
'in / ')
self.file_info = [('file2.txt', 'documents/test/file2.txt',
'9710f003d924890c7677b4dd91fd753f6ed71cc57d4f'
'9482261b6786d81957fa', 'sha256'),
('file2.txt', 'documents/test/test2/file2.txt',
'885000512dee8ac814641bbf6a7c887012ec23a2fb3e'
'3b2cff583c45a611317d', 'sha256'),
('file1.txt', 'documents/test/test2/file1.txt',
'885000512dee8ac814641bbf6a7c887012ec'
'23a2fb3e3b2cff583c45a611317d', 'sha256'),
('file1.txt', 'documents/test/file1.txt',
'a3cccbc52486d50a86ff0bc1e6ea0e0b701ac'
'4bb139f8713fa136ef9ec68e97e', 'sha256')]
def tearDown(self):
del self.image
remove_working_dir()
def testInstance(self):
self.assertEqual(
self.image.repotag, 'vmware/tern@sha256:20b32a9a2'
'0752aa1ad7582c667704fda9f004cc4'
'bfd8601fac7f2656c7567bb4')
self.assertEqual(self.image.name, 'vmware/tern')
self.assertEqual(self.image.tag, '')
self.assertTrue(self.image.checksum_type, 'sha256')
self.assertTrue(
self.image.checksum, '20b32a9a20752aa1ad7582c66'
'7704fda9f004cc4bfd8601fac7'
'f2656c7567bb4')
self.assertFalse(self.image.manifest)
self.assertFalse(self.image.repotags)
self.assertFalse(self.image.config)
self.assertFalse(self.image.layers)
self.assertFalse(self.image.history)
# test instantiating with a tag
d = DockerImage('vmware/tern:testimage')
self.assertEqual(d.name, 'vmware/tern')
self.assertEqual(d.tag, 'testimage')
self.assertFalse(d.checksum_type)
self.assertFalse(d.checksum)
def testLoadImage(self):
self.image.load_image()
self.assertEqual(self.image.layers[0].diff_id, self.layer)
self.assertEqual(len(self.image.layers), self.no_layers)
self.assertEqual(self.image.layers[0].created_by, self.created_by)
self.assertEqual(self.image.layers[0].checksum_type, 'sha256')
self.assertEqual(self.image.layers[0].checksum, self.layer)
def testGetLayerDiffIds(self):
self.image.load_image()
self.assertEqual(len(self.image.get_layer_diff_ids()), self.no_layers)
self.assertEqual(self.image.get_layer_diff_ids()[0], self.layer)
def testLayerFiles(self):
self.image.load_image()
self.assertFalse(self.image.layers[0].files)
print(self.image.layers[0].image_layout)
self.image.layers[0].add_files()
for file in self.image.layers[0].files:
self.assertTrue((file.name, file.path, file.checksum,
file.checksum_type) in self.file_info)
class TestClassDockerImage(unittest.TestCase):
def setUp(self):
'''Using a specific image here. If this test fails due to the image
not being found anymore, pick a different image to test against
For now use Docker to pull the image from Dockerhub'''
set_mount_dir()
create_top_dir()
check_docker_setup()
if not check_image('vmware/tern@sha256:20b32a9a20752aa1ad'
'7582c667704fda9f004cc4bfd8601fac7f2656c7567bb4'):
try:
container.pull_image('vmware/tern@sha256:20b32a9a20'
'752aa1ad7582c667704fda9f004cc4'
'bfd8601fac7f2656c7567bb4')
except subprocess.CalledProcessError as error:
print(error.output)
self.image = DockerImage('vmware/tern@sha256:20b32'
'a9a20752aa1ad7582c667704fda9f00'
'4cc4bfd8601fac7f2656c7567bb4')
# constants for this image
self.image_id = ('acb194ad84d0f9734e794fbbdbb65fb'
'7db6eda83f33e9e817bcc75b1bdd99f5e')
self.layer = ('c1c3a87012e7ff5791b31e94515b661'
'cdf06f6d5dc2f9a6245eda8774d257a13')
self.no_layers = 1
self.created_by = ('/bin/sh -c #(nop) ADD '
'file:92137e724f46c720d8083a11290c67'
'd9daa387e523336b1757a0e3c4f5867cd5 '
'in / ')
def tearDown(self):
container.close_client()
del self.image
def testInstance(self):
self.assertEqual(
self.image.repotag, 'vmware/tern@sha256:20b32a9a2'
'0752aa1ad7582c667704fda9f004cc4'
'bfd8601fac7f2656c7567bb4')
self.assertEqual(self.image.name, 'vmware/tern@sha256')
self.assertEqual(
self.image.tag, '20b32a9a20752aa1ad7582c667704fda9f00'
'4cc4bfd8601fac7f2656c7567bb4')
self.assertFalse(self.image.image_id)
self.assertFalse(self.image.manifest)
self.assertFalse(self.image.repotags)
self.assertFalse(self.image.config)
self.assertFalse(self.image.layers)
self.assertFalse(self.image.history)
def testLoadImage(self):
self.image.load_image()
self.assertEqual(self.image.image_id, self.image_id)
self.assertEqual(self.image.layers[0].diff_id, self.layer)
self.assertEqual(len(self.image.layers), self.no_layers)
self.assertEqual(self.image.layers[0].created_by, self.created_by)
def testGetImageOption(self):
self.assertEqual(self.image.get_image_option(), self.image.repotag)
def testGetLayerDiffIds(self):
self.image.load_image()
self.assertEqual(len(self.image.get_layer_diff_ids()), self.no_layers)
self.assertEqual(self.image.get_layer_diff_ids()[0], self.layer)
class TestClassDockerImage(unittest.TestCase):
def setUp(self):
'''Using a specific image here. If this test fails due to the image
not being found anymore, pick a different image to test against
For now use Docker to pull the image from Dockerhub'''
set_mount_dir()
create_top_dir()
check_docker_setup()
if not check_image('vmware/tern@sha256:20b32a9a20752aa1ad'
'7582c667704fda9f004cc4bfd8601fac7f2656c7567bb4'):
try:
container.pull_image('vmware/tern@sha256:20b32a9a20'
'752aa1ad7582c667704fda9f004cc4'
'bfd8601fac7f2656c7567bb4')
except subprocess.CalledProcessError as error:
print(error.output)
self.image = DockerImage('vmware/tern@sha256:20b32'
'a9a20752aa1ad7582c667704fda9f00'
'4cc4bfd8601fac7f2656c7567bb4')
# constants for this image
self.image_id = ('acb194ad84d0f9734e794fbbdbb65fb'
'7db6eda83f33e9e817bcc75b1bdd99f5e')
self.layer = ('c1c3a87012e7ff5791b31e94515b661'
'cdf06f6d5dc2f9a6245eda8774d257a13')
self.no_layers = 1
self.created_by = ('/bin/sh -c #(nop) ADD '
'file:92137e724f46c720d8083a11290c67'
'd9daa387e523336b1757a0e3c4f5867cd5 '
'in / ')
self.file_info = [('file2.txt', 'documents/test/file2.txt',
'9710f003d924890c7677b4dd91fd753f6ed71cc57d4f'
'9482261b6786d81957fa', 'sha256'),
('file2.txt', 'documents/test/test2/file2.txt',
'885000512dee8ac814641bbf6a7c887012ec23a2fb3e'
'3b2cff583c45a611317d', 'sha256'),
('file1.txt', 'documents/test/test2/file1.txt',
'885000512dee8ac814641bbf6a7c887012ec'
'23a2fb3e3b2cff583c45a611317d', 'sha256'),
('file1.txt', 'documents/test/file1.txt',
'a3cccbc52486d50a86ff0bc1e6ea0e0b701ac'
'4bb139f8713fa136ef9ec68e97e', 'sha256')]
def tearDown(self):
container.close_client()
del self.image
def testInstance(self):
self.assertEqual(
self.image.repotag, 'vmware/tern@sha256:20b32a9a2'
'0752aa1ad7582c667704fda9f004cc4'
'bfd8601fac7f2656c7567bb4')
self.assertEqual(self.image.name, 'vmware/tern@sha256')
self.assertEqual(
self.image.tag, '20b32a9a20752aa1ad7582c667704fda9f00'
'4cc4bfd8601fac7f2656c7567bb4')
self.assertFalse(self.image.image_id)
self.assertFalse(self.image.manifest)
self.assertFalse(self.image.repotags)
self.assertFalse(self.image.config)
self.assertFalse(self.image.layers)
self.assertFalse(self.image.history)
def testLoadImage(self):
self.image.load_image()
self.assertEqual(self.image.image_id, self.image_id)
self.assertEqual(self.image.layers[0].diff_id, self.layer)
self.assertEqual(len(self.image.layers), self.no_layers)
self.assertEqual(self.image.layers[0].created_by, self.created_by)
self.assertEqual(self.image.layers[0].checksum_type, 'sha256')
self.assertEqual(self.image.layers[0].checksum, self.layer)
def testGetImageOption(self):
self.assertEqual(self.image.get_image_option(), self.image.repotag)
def testGetLayerDiffIds(self):
self.image.load_image()
self.assertEqual(len(self.image.get_layer_diff_ids()), self.no_layers)
self.assertEqual(self.image.get_layer_diff_ids()[0], self.layer)
def testLayerFiles(self):
self.image.load_image()
self.assertFalse(self.image.layers[0].files)
self.image.layers[0].add_files()
for file in self.image.layers[0].files:
self.assertTrue((file.name, file.path, file.checksum,
file.checksum_type) in self.file_info)
