def load(base_path, template_name):
with (base_path / template_name).open() as input_fd:
input_yaml = yaml.load(input_fd, str(template_name))
if not isinstance(input_yaml.value, dict):
raise ParseError(
"Top level structure should be a map.",
yaml_node.loc,
)
tosca_version = _get_tosca_version(input_yaml)
parser = _get_parser(tosca_version)
stdlib_yaml = stdlib.load(tosca_version)
service = parser.parse(
stdlib_yaml,
base_path,
PurePath("STDLIB"),
set(),
)[0]
service.merge(
parser.parse(
input_yaml,
base_path,
template_name,
set(),
)[0])
service.visit("resolve_path", base_path)
service.visit("resolve_reference", service)
return service
def deploy(args):
csar.save(args.name, args.csar.name)
print("Loading service template ...")
service_template = types.ServiceTemplate.from_data(stdlib.load())
service_template.merge(
types.ServiceTemplate.from_data(yaml.safe_load(args.csar)))
print("Resolving service template links ...")
service_template.resolve()
print("Creating instance model ...")
instances = service_template.instantiate()
print("Deploying instance model ...")
instances.deploy()
print("Done.")
return 0
def undeploy(args):
template_name = csar.load(args.name)
print("Loading service template ...")
service_template = types.ServiceTemplate.from_data(stdlib.load())
with open(template_name) as fd:
service_template.merge(
types.ServiceTemplate.from_data(yaml.safe_load(fd))
)
print("Resolving service template links ...")
service_template.resolve()
print("Loading instance model ...")
instances = service_template.instantiate()
instances.load()
print("Undeploying instance model ...")
instances.undeploy()
print("Done.")
return 0