def _load_package(self, pkg_loader, name):
try:
parts = name.rsplit('/')
if len(parts) == 2:
name, pkg_version = parts
version_spec = helpers.parse_version_spec(pkg_version)
else:
version_spec = helpers.parse_version_spec('*')
package = pkg_loader.load_package(name, version_spec)
except exceptions.NoPackageFound:
if not CONF.engine.load_packages_from:
msg = _('Local package is not found since "load-packages-from"'
' engine parameter is not provided and specified '
'packages is not loaded to murano-api')
else:
msg = _('Specified package is not found: {0} were scanned '
'together with murano database').format(','.join(
CONF.engine.load_packages_from))
LOG.error(msg)
self.error(msg, show_help=False)
except exc.CommunicationError:
msg = ('Murano API is not running. '
'Check configuration parameters.')
LOG.error(msg)
self.error(msg, show_help=False)
return package
def _load_package(self, pkg_loader, name):
try:
parts = name.rsplit('/')
if len(parts) == 2:
name, pkg_version = parts
version_spec = helpers.parse_version_spec(pkg_version)
else:
version_spec = helpers.parse_version_spec('*')
package = pkg_loader.load_package(name, version_spec)
except exceptions.NoPackageFound:
if not CONF.packages_opts.load_packages_from:
msg = _('Local package is not found since "load-packages-from"'
' engine parameter is not provided and specified '
'packages is not loaded to murano-api')
else:
msg = _('Specified package is not found: {0} were scanned '
'together with murano database'
).format(','.join(
CONF.packages_opts.load_packages_from))
LOG.error(msg)
self.error(msg, show_help=False)
except exc.CommunicationError:
msg = ('Murano API is not running. '
'Check configuration parameters.')
LOG.error(msg)
self.error(msg, show_help=False)
return package
def _process_item(self, obj, owner_id, path):
if isinstance(obj, dict) and '?' in obj:
obj_rule = self._create_object_rule(obj, owner_id)
self._rules.append(obj_rule)
# the environment has 'services' relationships
# to all its top-level applications
# traversal path is used to test whether
# we are at the right place within the tree
if path == ('applications', ):
self._rules.append(
RelationshipRule(self._env_id, obj_rule.obj_id,
"services"))
self._rules.extend(self._create_propety_rules(
obj_rule.obj_id, obj))
cls = obj['?']['type']
if 'classVersion' in obj['?']:
version_spec = helpers.parse_version_spec(
semantic_version.Version(obj['?']['classVersion']))
else:
version_spec = semantic_version.Spec('*')
types = self._get_parent_types(cls, self._package_loader,
version_spec)
self._rules.extend(
self._create_parent_type_rules(obj['?']['id'], types))
# current object will be the owner for its subtree
return obj_rule.obj_id
def generate_schema(pkg_loader, context_manager,
class_name, method_names=None,
class_version=None, package_name=None):
"""Generate JSON schema
JSON Schema is generated either for the class with all model builders
or for specified model builders only. The return value is a dictionary
with keys being model builder names and the values are JSON schemas for
them. The class itself is represented by an empty string key.
"""
if method_names and not isinstance(method_names, (list, tuple)):
method_names = (method_names,)
version = helpers.parse_version_spec(class_version)
if package_name:
package = pkg_loader.load_package(package_name, version)
else:
package = pkg_loader.load_class_package(class_name, version)
cls = package.find_class(class_name, search_requirements=False)
exc = executor.MuranoDslExecutor(pkg_loader, context_manager)
with helpers.with_object_store(exc.object_store):
context = exc.create_object_context(cls)
model_builders = set(list_model_builders(cls, context))
method_names = model_builders.intersection(
method_names or model_builders)
result = {
name: generate_entity_schema(
get_entity(cls, name), context, cls,
get_meta(cls, name, context))
for name in method_names
}
return result
def load_package(self, package_name, version_spec):
fixed_versions = self._fixations[package_name]
version = version_spec.select(fixed_versions)
if version:
version_spec = helpers.parse_version_spec(version)
packages = self._package_cache.get(package_name)
if packages:
version = version_spec.select(packages.keys())
if version:
return packages[version]
filter_opts = {'fqn': package_name,
'version': helpers.breakdown_spec_to_query(
version_spec)}
try:
package_definition = self._get_definition(filter_opts)
self._lock_usage(package_definition)
except LookupError:
exc_info = sys.exc_info()
six.reraise(exceptions.NoPackageFound,
exceptions.NoPackageFound(package_name),
exc_info[2])
else:
package = self._get_package_by_definition(package_definition)
self._fixations[package_name].add(package.version)
self._new_fixations[package_name].add(package.version)
return self._to_dsl_package(package)
def __init__(self,
package_loader,
name,
version=None,
runtime_version=None,
requirements=None,
meta=None):
super(MuranoPackage, self).__init__()
self._package_loader = weakref.proxy(package_loader)
self._name = name
self._version = helpers.parse_version(version)
self._runtime_version = helpers.parse_version(runtime_version)
self._requirements = {
name: semantic_version.Spec('==' + str(self._version.major))
}
if name != constants.CORE_LIBRARY:
self._requirements[constants.CORE_LIBRARY] = \
semantic_version.Spec('==0')
self._classes = {}
self._imported_types = {object, murano_object.MuranoObject}
for key, value in six.iteritems(requirements or {}):
self._requirements[key] = helpers.parse_version_spec(value)
self._load_queue = {}
self._native_load_queue = {}
if self.name == constants.CORE_LIBRARY:
principal_objects.register(self)
self._package_class = self._create_package_class()
self._meta = lambda: dslmeta.MetaData(meta, dsl_types.MetaTargets.
Package, self._package_class)
def __init__(self, package_loader, name, version=None,
runtime_version=None, requirements=None, meta=None):
super(MuranoPackage, self).__init__()
self._package_loader = weakref.proxy(package_loader)
self._name = name
self._version = helpers.parse_version(version)
self._runtime_version = helpers.parse_version(runtime_version)
self._requirements = {
name: semantic_version.Spec('==' + str(self._version.major))
}
if name != constants.CORE_LIBRARY:
self._requirements[constants.CORE_LIBRARY] = \
semantic_version.Spec('==0')
self._classes = {}
self._imported_types = {object, murano_object.MuranoObject}
for key, value in six.iteritems(requirements or {}):
self._requirements[key] = helpers.parse_version_spec(value)
self._load_queue = {}
self._native_load_queue = {}
if self.name == constants.CORE_LIBRARY:
principal_objects.register(self)
self._package_class = self._create_package_class()
self._meta = lambda: dslmeta.MetaData(
meta, dsl_types.MetaTargets.Package, self._package_class)
def load_package(self, package_name, version_spec):
fixed_versions = self._fixations[package_name]
version = version_spec.select(fixed_versions)
if version:
version_spec = helpers.parse_version_spec(version)
packages = self._package_cache.get(package_name)
if packages:
version = version_spec.select(six.iterkeys(packages))
if version:
return packages[version]
filter_opts = {'fqn': package_name,
'version': helpers.breakdown_spec_to_query(
version_spec)}
try:
package_definition = self._get_definition(filter_opts)
self._lock_usage(package_definition)
except LookupError:
exc_info = sys.exc_info()
six.reraise(exceptions.NoPackageFound(package_name),
None, exc_info[2])
else:
package = self._get_package_by_definition(package_definition)
self._fixations[package_name].add(package.version)
self._new_fixations[package_name].add(package.version)
return self._to_dsl_package(package)
def find_class(self, name, search_requirements=True):
payload = self._native_load_queue.pop(name, None)
if payload is not None:
return self._register_native_class(payload, name)
payload = self._load_queue.pop(name, None)
if payload is not None:
result = self._register_mpl_classes(payload, name)
if result:
return result
result = self._classes.get(name)
if result:
return result
if search_requirements:
pkgs_for_search = []
for package_name, version_spec in six.iteritems(
self._requirements):
if package_name == self.name:
continue
referenced_package = self._package_loader.load_package(
package_name, version_spec)
try:
return referenced_package.find_class(name, False)
except exceptions.NoClassFound:
pkgs_for_search.append(referenced_package)
continue
return self._package_loader.load_class_package(name, helpers.parse_version_spec(None)).find_class(name, False)
#raise exceptions.NoClassFound(
# name, packages=pkgs_for_search + [self])
raise exceptions.NoClassFound(name, packages=[self])
def _process_item(self, obj, owner_id, path):
if isinstance(obj, dict) and '?' in obj:
obj_rule = self._create_object_rule(obj, owner_id)
self._rules.append(obj_rule)
# the environment has 'services' relationships
# to all its top-level applications
# traversal path is used to test whether
# we are at the right place within the tree
if path == ('applications',):
self._rules.append(RelationshipRule(self._env_id,
obj_rule.obj_id,
"services"))
self._rules.extend(
self._create_propety_rules(obj_rule.obj_id, obj))
cls = obj['?']['type']
if 'classVersion' in obj['?']:
version_spec = helpers.parse_version_spec(
semantic_version.Version(obj['?']['classVersion']))
else:
version_spec = semantic_version.Spec('*')
types = self._get_parent_types(
cls, self._package_loader, version_spec)
self._rules.extend(self._create_parent_type_rules(obj['?']['id'],
types))
# current object will be the owner for its subtree
return obj_rule.obj_id
def _get_parent_types(type_name, package_loader, version_spec):
type_name, version_spec, _ = helpers.parse_type_string(
type_name, version_spec, None)
version_spec = helpers.parse_version_spec(version_spec)
result = {type_name}
if package_loader:
pkg = package_loader.load_class_package(type_name, version_spec)
cls = pkg.find_class(type_name, False)
if cls:
result.update(t.name for t in cls.ancestors())
return result
def _load_package(pkg_loader, name):
try:
parts = name.rsplit('/')
if len(parts) == 2:
name, pkg_version = parts
version_spec = helpers.parse_version_spec(pkg_version)
else:
version_spec = helpers.parse_version_spec('*')
package = pkg_loader.load_package(name, version_spec)
except exceptions.NoPackageFound:
if not CONF.engine.load_packages_from:
msg = _('Local package is not found since "load-packages-from" '
'engine parameter is not provided and specified packages '
'is not loaded to murano-api')
else:
msg = _('Specified package is not found: {0} were scanned together'
' with murano database'
).format(','.join(CONF.engine.load_packages_from))
LOG.error(msg)
sys.stderr.write("ERROR: {msg}".format(msg=msg))
sys.exit(1)
return package
def load_package(self, package_name, version_spec):
fixed_versions = self._fixations[package_name]
version = version_spec.select(fixed_versions)
if version:
version_spec = helpers.parse_version_spec(version)
packages = self._packages_by_name.get(package_name)
if not packages:
raise exceptions.NoPackageFound(package_name)
version = version_spec.select(six.iterkeys(packages))
if not version:
raise exceptions.NoPackageFound(package_name)
self._fixations[package_name].add(version)
self._new_fixations[package_name].add(version)
return packages[version]
def load(self, value, owner, context=None):
if value is None:
return None
if '?' not in value or 'type' not in value['?']:
raise ValueError()
system_key = value['?']
object_id = system_key['id']
obj_type = system_key['type']
version_spec = helpers.parse_version_spec(
system_key.get('classVersion'))
if 'package' not in system_key:
package = self.executor.package_loader.load_class_package(
obj_type, version_spec)
else:
package = self.executor.package_loader.load_package(
system_key['package'], version_spec)
class_obj = package.find_class(obj_type, False)
try:
if owner is None:
self._initializing = True
if object_id in self._store:
factory = self._store[object_id]
if isinstance(factory, dsl_types.MuranoObject):
return factory
else:
factory = class_obj.new(owner,
self,
self.executor,
name=system_key.get('name'),
object_id=object_id)
self._store[object_id] = factory
system_value = ObjectStore._get_designer_attributes(system_key)
self._designer_attributes_store[object_id] = system_value
init_context = self.executor.create_object_context(
factory.object, context)
obj = factory(init_context, **value)
if not self._initializing:
self._store[object_id] = obj
if owner is None:
self._initializing = False
self._store[object_id] = factory(init_context, **value)
finally:
if owner is None:
self._initializing = False
return factory.object
def load_package(self, package_name, version_spec):
fixed_versions = self._fixations[package_name]
version = version_spec.select(fixed_versions)
if version:
version_spec = helpers.parse_version_spec(version)
packages = self._packages_by_name.get(package_name)
if not packages:
raise exceptions.NoPackageFound(package_name)
version = version_spec.select(packages.keys())
if not version:
raise exceptions.NoPackageFound(package_name)
self._fixations[package_name].add(version)
self._new_fixations[package_name].add(version)
return packages[version]
def load(self, value, owner, context=None, defaults=None):
if value is None:
return None
if '?' not in value or 'type' not in value['?']:
raise ValueError()
system_key = value['?']
object_id = system_key['id']
obj_type = system_key['type']
version_spec = helpers.parse_version_spec(
system_key.get('classVersion'))
if 'package' not in system_key:
package = self.executor.package_loader.load_class_package(
obj_type, version_spec)
else:
package = self.executor.package_loader.load_package(
system_key['package'], version_spec)
class_obj = package.find_class(obj_type, False)
try:
if owner is None:
self._initializing = True
if object_id in self._store:
factory = self._store[object_id]
if isinstance(factory, dsl_types.MuranoObject):
return factory
else:
factory = class_obj.new(
owner, self,
name=system_key.get('name'),
object_id=object_id, defaults=defaults)
self._store[object_id] = factory
system_value = ObjectStore._get_designer_attributes(system_key)
self._designer_attributes_store[object_id] = system_value
init_context = self.executor.create_object_context(
factory.object, context)
obj = factory(init_context, **value)
if not self._initializing:
self._store[object_id] = obj
if owner is None:
self._initializing = False
self._store[object_id] = factory(init_context, **value)
finally:
if owner is None:
self._initializing = False
return factory.object
def _invoke(self, mpl_executor):
class_name = self.action['class_name']
pkg_name = self.action['pkg_name']
class_version = self.action['class_version']
version_spec = helpers.parse_version_spec(class_version)
if pkg_name:
package = mpl_executor.package_loader.load_package(
pkg_name, version_spec)
else:
package = mpl_executor.package_loader.load_class_package(
class_name, version_spec)
cls = package.find_class(class_name, search_requirements=False)
method_name, kwargs = self.action['method'], self.action['args']
return mpl_executor.run(cls, method_name, None, (), kwargs)
def test_execute(self, mock_package_loader, mock_serializer):
mock_class = mock.Mock()
mock_package = mock.Mock(spec=murano_package.MuranoPackage)
mock_package.find_class.return_value = mock_class
mock_package_loader.load_package.return_value = mock_package
version_spec = helpers.parse_version_spec(self.action['class_version'])
self.task_executor.execute()
mock_package_loader.load_package.assert_called_once_with(
'TestPackage', version_spec)
mock_package.find_class.assert_called_once_with(
self.action['class_name'], search_requirements=False)
mock_class.invoke.assert_called_once_with('TestAction', None, (),
{'name': 'foo'})
self.assertTrue(mock_serializer.serialize.called)
def _invoke(self, mpl_executor):
class_name = self.action['class_name']
pkg_name = self.action['pkg_name']
class_version = self.action['class_version']
version_spec = helpers.parse_version_spec(class_version)
if pkg_name:
package = mpl_executor.package_loader.load_package(
pkg_name, version_spec)
else:
package = mpl_executor.package_loader.load_class_package(
class_name, version_spec)
cls = package.find_class(class_name, search_requirements=False)
method_name, kwargs = self.action['method'], self.action['args']
return mpl_executor.run(cls, method_name, None, (), kwargs)
def check(self, expected, version_spec):
self.assertEqual(expected, helpers.parse_version_spec(version_spec))
def on_class(self, class_name):
cls = self.executor.package_loader.load_class_package(
class_name,
helpers.parse_version_spec(None)).find_class(class_name, False)
return Runner.DslObjectWrapper(cls, self)
