def get_dockerfile_packages():
'''Given a Dockerfile return an approximate image object. This is mosty
guess work and shouldn't be relied on for accurate information. Add
Notice messages indicating as such:
1. Create an image with a placeholder repotag
2. For each RUN command, create a package list
3. Create layer objects with incremental integers and add the package
list to that layer with a Notice about parsing
4. Return stub image'''
stub_image = Image('easteregg:cookie')
layer_count = 0
for cmd in dhelper.docker_commands:
if cmd['instruction'] == 'RUN':
layer_count = layer_count + 1
layer = ImageLayer(layer_count)
install_commands, msg = \
common.filter_install_commands(cmd['value'])
if msg:
layer.origins.add_notice_to_origins(cmd['value'],
Notice(msg, 'info'))
pkg_names = []
for command in install_commands:
pkg_names.append(common.get_installed_package_names(command))
for pkg_name in pkg_names:
pkg = Package(pkg_name)
# shell parser does not parse version pins yet
# when that is enabled, Notices for no versions need to be
# added here
layer.add_package(pkg)
return stub_image
def setUp(self):
'''Test a generic Image class'''
self.image = Image('1234abcd')
def setUp(self):
'''Test a generic Image class'''
self.image1 = Image('1234abcd')
self.image2 = TestImage('5678efgh')
self.image3 = TestImage('f380a61e')