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
if not check_image('vmware/tern:testimage'):
try:
container.pull_image('vmware/tern:testimage')
except subprocess.CalledProcessError as error:
print(error.output)
d = DockerImage('vmware/tern:testimage')
self.assertEqual(d.name, 'vmware/tern')
self.assertEqual(d.tag, 'testimage')
self.assertEqual(d.checksum_type, 'sha256')
self.assertEqual(
d.checksum, '20b32a9a20752aa1ad7582c667704fda9f004cc4'
'bfd8601fac7f2656c7567bb4')
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 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 setup(dockerfile=None, image_tag_string=None):
'''Any initial setup'''
# generate random names for image, container, and tag
general.initialize_names()
# load the cache
cache.load()
# load dockerfile if present
if dockerfile:
dhelper.load_docker_commands(dockerfile)
# check if the docker image is present
if image_tag_string and general.check_tar(image_tag_string) is False:
if container.check_image(image_tag_string) is None:
# if no docker image is present, try to pull it
if container.pull_image(image_tag_string) is None:
logger.fatal("%s", errors.cannot_find_image.format(
imagetag=image_tag_string))
sys.exit()
def load_base_image():
'''Create base image from dockerfile instructions and return the image'''
base_image, dockerfile_lines = dhelper.get_dockerfile_base()
# try to get image metadata
if container.check_image(base_image.repotag) is None:
# if no base image is found, give a warning and continue
if container.pull_image(base_image.repotag) is None:
logger.warning(
"%s",
errors.cannot_find_image.format(imagetag=base_image.repotag))
try:
base_image.load_image()
except (NameError, subprocess.CalledProcessError, IOError, ValueError,
EOFError) as error:
logger.warning('Error in loading base image: %s', str(error))
base_image.origins.add_notice_to_origins(dockerfile_lines,
Notice(str(error), 'error'))
return base_image
