def load_config(config_details):
"""Load the configuration from a working directory and a list of
configuration files. Files are loaded in order, and merged on top
of each other to create the final configuration.
Return a fully interpolated, extended and validated configuration.
"""
processed_files = [
process_kraftfile(config_file, config_details.environment)
for config_file in config_details.config_files
]
config_details = config_details._replace(config_files=processed_files)
main_file = config_details.config_files[0]
if main_file.config is None:
raise CannotReadKraftfile(main_file.filename)
name = load_mapping(config_details.config_files, 'get_name', 'name',
config_details.working_dir)
if name is None or len(name) == 0:
name = get_project_name(config_details.working_dir, None,
config_details.environment)
unikraft = load_mapping(config_details.config_files, 'get_unikraft',
'unikraft', config_details.working_dir)
arguments = load_mapping(config_details.config_files, 'get_arguments',
'arguments', config_details.working_dir)
before = load_mapping(config_details.config_files, 'get_before', 'before',
config_details.working_dir)
after = load_mapping(config_details.config_files, 'get_after', 'after',
config_details.working_dir)
targets = load_mapping(config_details.config_files, 'get_targets',
'targets', config_details.working_dir)
libraries = load_mapping(config_details.config_files, 'get_libraries',
'libraries', config_details.working_dir)
volumes = load_mapping(config_details.config_files, 'get_volumes',
'volumes', config_details.working_dir)
networks = load_mapping(config_details.config_files, 'get_networks',
'networks', config_details.working_dir)
if isinstance(unikraft, six.string_types):
core = Unikraft(version=unikraft)
else:
core = Unikraft(**unikraft)
return Config(
specification=main_file.version,
name=name,
arguments=arguments,
before=before,
after=after,
unikraft=core,
targets=TargetManager(targets, core),
libraries=LibraryManager(libraries),
volumes=VolumeManager(volumes),
networks=NetworkManager(networks),
)
def __init__(ctx, self, *args, **kwargs):
super(Application, self).__init__(*args, **kwargs)
# Determine name from localdir
if self._name is None and self._localdir is not None:
self._name = os.path.basename(self._localdir)
self._config = kwargs.get('config', None)
# Determine how configuration is passed to this class
if self._config is None:
unikraft = kwargs.get("unikraft", dict())
if not isinstance(unikraft, Unikraft):
unikraft = Unikraft(unikraft)
targets = kwargs.get("targets", dict())
if not isinstance(targets, TargetManager):
targets = TargetManager(targets)
libraries = kwargs.get("libraries", dict())
if not isinstance(unikraft, LibraryManager):
libraries = LibraryManager(libraries)
networks = kwargs.get("networks", dict())
if not isinstance(networks, NetworkManager):
networks = NetworkManager(networks)
volumes = kwargs.get("volumes", dict())
if not isinstance(volumes, VolumeManager):
volumes = VolumeManager(volumes)
self._config = Config(
name=kwargs.get('name', None),
arguments=kwargs.get("arguments", None),
before=kwargs.get("before", None),
after=kwargs.get("after", None),
unikraft=unikraft,
targets=targets,
libraries=libraries,
volumes=volumes,
networks=networks,
)
# Check the integrity of the application
if self.config.unikraft is None:
raise MissingComponent("unikraft")
# Initialize the location of the known binaries
for target in self.config.targets.all():
binname = target.binary_name(self.config.name)
binary = os.path.join(self.localdir, UNIKRAFT_BUILDDIR, binname)
if binname is not None:
target.binary = binary
if self._config is None:
self._config = dict()
def unikraft(self, unikraft=None):
if unikraft is None:
return
if isinstance(unikraft, dict):
unikraft = Unikraft(**unikraft)
elif not isinstance(unikraft, Unikraft):
logger.warn("Cannot apply Unikraft to configuration")
return
self._unikraft = unikraft
def load_config(config_details, use_versions=[]): # noqa: C901
"""Load the configuration from a working directory and a list of
configuration files. Files are loaded in order, and merged on top
of each other to create the final configuration.
Return a fully interpolated, extended and validated configuration.
"""
processed_files = [
process_kraftfile(config_file, config_details.environment)
for config_file in config_details.config_files
]
config_details = config_details._replace(config_files=processed_files)
main_file = config_details.config_files[0]
if main_file.config is None:
raise CannotReadKraftfile(main_file.filename)
name = load_mapping(config_details.config_files, 'get_name', 'name',
config_details.working_dir)
if name is None or len(name) == 0:
name = get_project_name(config_details.working_dir, None,
config_details.environment)
unikraft = load_mapping(config_details.config_files, 'get_unikraft',
'unikraft', config_details.working_dir)
arguments = load_mapping(config_details.config_files, 'get_arguments',
'arguments', config_details.working_dir)
before = load_mapping(config_details.config_files, 'get_before', 'before',
config_details.working_dir)
after = load_mapping(config_details.config_files, 'get_after', 'after',
config_details.working_dir)
targets = load_mapping(config_details.config_files, 'get_targets',
'targets', config_details.working_dir)
libraries = load_mapping(config_details.config_files, 'get_libraries',
'libraries', config_details.working_dir)
volumes = load_mapping(config_details.config_files, 'get_volumes',
'volumes', config_details.working_dir)
networks = load_mapping(config_details.config_files, 'get_networks',
'networks', config_details.working_dir)
# Dynamically update the configuration specification based on version
# overrides provided by use_versions
for use in use_versions:
_type, name, _, version = break_component_naming_format(use)
if _type is ComponentType.CORE:
unikraft['version'] = version
for i, conf in enumerate(targets):
if _type is ComponentType.ARCH or _type is None:
if 'architecture' in conf and \
conf['architecture']['name'] == name:
targets[i]['architecture']['version'] = version
if _type is ComponentType.PLAT or _type is None:
if 'platform' in conf and \
conf['platform']['name'] == name:
targets[i]['platform']['version'] = version
if _type is ComponentType.LIB or _type is None:
for lib, conf in libraries.items():
if lib == name:
libraries[lib]['version'] = version
core = Unikraft(**unikraft)
return Config(
specification=main_file.version,
name=name,
arguments=arguments,
before=before,
after=after,
unikraft=core,
targets=TargetManager(targets, core),
libraries=LibraryManager(libraries),
volumes=VolumeManager(volumes),
networks=NetworkManager(networks),
)