def extract(dockerfile, contact, container_name=None, output_html=True):
'''extract a dataset from a given dockerfile, write to html output file.
Use container-diff and spython to get information about the container.
'''
# Step 0. Define absolute paths to our Dockerfile, recipe, output
here = os.path.abspath(os.path.dirname(__file__))
recipe_yml = os.path.join(here, "recipe.yml")
spec_yml = os.path.join(here, "specification.yml")
# Step 1: Show required and recommended fields from recipe
recipe = RecipeParser(recipe_yml)
# Step 2: Create Dataset
parser = DockerRecipe(dockerfile)
image = Schema(spec_yml)
# We can obtain these from the environment, or use reasonable defaults
thumbnail = os.environ.get(
'IMAGE_THUMBNAIL',
'https://vsoch.github.io/datasets/assets/img/avocado.png')
about = os.environ.get(
'IMAGE_ABOUT',
'This is a Dockerfile parsed by the openschemas/extractors container.')
repository = os.environ.get('GITHUB_REPOSITORY', 'openschemas/extractors')
description = os.environ.get('IMAGE_DESCRIPTION',
'A Dockerfile build recipe')
# Step 3: Generate a Person (these are Google Helper functions)
contact = os.environ.get('GITHUB_ACTOR', contact)
contact_url = os.environ.get('CONTACT_URL', repository)
contact_description = os.environ.get('CONTACT_DESCRIPTION',
'Dockerfile maintainer')
contact_type = os.environ.get('CONTACT_TYPE', 'customer support')
contact_telephone = os.environ.get('CONTACT_TELEPHONE')
# Get the repository full url for contact
if not contact_url.startswith('http'):
contact_url = "https://www.github.com/%s" % contact_url
if contact is not None:
person = make_person(name=contact,
description=contact_description,
url=contact_url,
contact_type=contact_type,
telephone=contact_telephone)
image.properties['creator'] = person
image.properties['author'] = person
# image.properties
if len(parser.environ) > 0:
image.properties['environment'] = parser.environ
image.properties['entrypoint'] = parser.entrypoint
image.properties['version'] = image.version
image.properties['description'] = description
image.properties['ContainerImage'] = parser.fromHeader
image.properties['name'] = container_name
# Fun properties :)
image.properties['thumbnailUrl'] = thumbnail
image.properties['sameAs'] = 'ImageDefinition'
image.properties['about'] = about
image.properties[
'codeRepository'] = 'https://www.github.com/%s' % repository
image.properties['runtime'] = 'Docker'
# Generate temporary filename
output_file = "%s.json" % get_tmpfile("image-definition")
# Try using container name, if not available default to ContainerImage (FROM)
layers = run_container_diff(container_name, parser.fromHeader, output_file)
if len(layers) > 0:
# softwareRequirements
requires = [] # APT and PIP
# note that the top level key here can be history, files, pip, apt, etc.
for layer in layers:
## Pip and Apt will go into softwareRequirements
if layer['AnalyzeType'] in ["Pip", "Apt"]:
for pkg in layer['Analysis']:
requires.append(
'%s > %s==%s' %
(layer['AnalyzeType'], pkg['Name'], pkg['Version']))
image.properties["softwareRequirements"] = requires
if output_html:
return make_dataset(image)
return image.dump_json(pretty_print=True)
def extract(name,
version=None,
contact=None,
output_html=True,
description=None,
thumbnail=None,
sameAs=None,
about=None,
repository=None):
''' extract a Dataset to describe some Github repository. To add more
properties, just add them via additional keyword args (kwargs)
Parameters
==========
url: the url to get the catalog
name: the name of the DataCatalog
contact: name of a person that is in charge of the dataset
description: a description of the DataCatalog
thumbnail: an image thumbnail (web url)
about: text about the data catalog (optional).
'''
# Step 0. Define absolute paths to our Dockerfile, recipe, output
here = os.path.abspath(os.path.dirname(__file__))
recipe_yml = os.path.join(here, "recipe.yml")
# Step 1: Show required and recommended fields from recipe
recipe = RecipeParser(recipe_yml)
# Step 2: Create Dataset
dataset = Schema("Dataset")
# We can obtain these from the environment, or use reasonable defaults
thumbnail = os.environ.get(
'DATASET_THUMBNAIL', thumbnail
or 'https://vsoch.github.io/datasets/assets/img/avocado.png')
about = os.environ.get(
'DATASET_ABOUT', about
or 'This is a Dataset parsed by the openschemas/extractors container.')
repository = os.environ.get('GITHUB_REPOSITORY', repository
or 'openschemas/extractors')
description = os.environ.get('DATASET_DESCRIPTION', 'A Dataset')
email = os.environ.get('DATASET_EMAIL')
template = os.environ.get('DATASET_TEMPLATE', "google/dataset-table.html")
# Can be one of:
# google/dataset-table.html (bootstrap)
# google/visual-dataset.html (see vsoch.github.io/zenodo-ml)
# google/dataset.html (just blank page, json metadata)
# google/dataset-vue-table.html
# see https://openschemas.github.io/schemaorg#7-embed-in-html-with-json-ld
# Contact metadata
contact = os.environ.get('GITHUB_ACTOR', contact)
contact_url = os.environ.get('CONTACT_URL', repository)
contact_description = os.environ.get('CONTACT_DESCRIPTION',
'Dataset maintainer')
contact_type = os.environ.get('CONTACT_TYPE', 'customer support')
contact_telephone = os.environ.get('CONTACT_TELEPHONE')
contact = add_kwargs(contact, 'DATASET_DOWNLOAD_KWARGS')
# Download Link
download_link = os.environ.get('DATASET_DOWNLOAD_LINK')
encoding = os.environ.get('DATASET_ENCODING_FORMAT')
if download != None:
download = Schema('DataDownload')
download.add_property('encodingFormat', encoding)
download.add_property('contentUrl', download_link)
download = add_kwargs(download, 'DATASET_DOWNLOAD_KWARGS')
dataset.add_property('distribution', [download])
# Get the repository full url for contact
if not contact_url.startswith('http'):
contact_url = "https://www.github.com/%s" % contact_url
if contact is not None:
person = make_person(name=contact,
description=contact_description,
url=contact_url,
contact_type=contact_type,
telephone=contact_telephone)
person = add_kwargs(person, 'CONTACT_KWARGS')
dataset.add_property('creator', person)
# dataset.properties
dataset.add_property('version', version)
dataset.add_property('description', description)
dataset.add_property('name', name)
dataset.add_property('thumbnailUrl', thumbnail)
dataset.add_property('about', about)
dataset = add_kwargs(dataset, 'DATASET_KWARGS')
# Step 5: Validate Data Structure
recipe.validate(dataset)
if output_html:
return make_dataset(dataset, template=template)
return dataset.dump_json(pretty_print=True)