def build(self):
"""Information related to the build image."""
# Map the final image to the correct build image
run_image = self.container_config['base']['image']
spack_version = self.container_config['base']['spack']
image, tag = build_info(run_image, spack_version)
Build = collections.namedtuple('Build', ['image', 'tag'])
return Build(image=image, tag=tag)
def _stage_base_images(images_config):
"""Return a tuple with the base images to be used at the various stages.
Args:
images_config (dict): configuration under container:images
"""
# If we have custom base images, just return them verbatim.
build_stage = images_config.get('build', None)
if build_stage:
final_stage = images_config['final']
return None, build_stage, final_stage
# Check the operating system: this will be the base of the bootstrap
# stage, if there, and of the final stage.
operating_system = images_config.get('os', None)
# Check the OS is mentioned in the internal data stored in a JSON file
images_json = data()['images']
if not any(os_name == operating_system for os_name in images_json):
msg = ('invalid operating system name "{0}". '
'[Allowed values are {1}]')
msg = msg.format(operating_system, ', '.join(data()['images']))
raise ValueError(msg)
# Retrieve the build stage
spack_info = images_config['spack']
if isinstance(spack_info, dict):
build_stage = 'bootstrap'
else:
spack_version = images_config['spack']
image_name, tag = build_info(operating_system, spack_version)
build_stage = 'bootstrap'
if image_name:
build_stage = ':'.join([image_name, tag])
# Retrieve the bootstrap stage
bootstrap_stage = None
if build_stage == 'bootstrap':
bootstrap_stage = images_json[operating_system]['bootstrap'].get(
'image', operating_system
)
# Retrieve the final stage
final_stage = images_json[operating_system].get(
'final', {'image': operating_system}
)['image']
return bootstrap_stage, build_stage, final_stage
def build(self):
"""Information related to the build image."""
images_config = self.container_config['images']
# Check if we have custom images
image = images_config.get('build', None)
# If not select the correct build image based on OS and Spack version
if image is None:
operating_system = images_config['os']
spack_version = images_config['spack']
image_name, tag = build_info(operating_system, spack_version)
image = ':'.join([image_name, tag])
Build = collections.namedtuple('Build', ['image'])
return Build(image=image)