From c8201c119ec686e79797721156767685fe848aca Mon Sep 17 00:00:00 2001 From: shangxdy Date: Thu, 7 Apr 2016 14:08:49 -0400 Subject: Update tosca lib to version 0.5 Use tosca-parser and heat-translator to analyze to the basic nfv-tosca type definitions, and use simple tosca new feature such as policy, group and trigger, which are now supported by the latest version of tosca-parser and heat-translator. JIRA:PARSER-18 Change-Id: I797bcacbb5b32005d0aeb0f3f32851ac96e30f01 Signed--off-by: shangxdy Signed-off-by: shangxdy --- .../toscaparser/elements/entity_type.py | 145 +++++++++++++++++++++ 1 file changed, 145 insertions(+) create mode 100644 tosca2heat/tosca-parser/toscaparser/elements/entity_type.py (limited to 'tosca2heat/tosca-parser/toscaparser/elements/entity_type.py') diff --git a/tosca2heat/tosca-parser/toscaparser/elements/entity_type.py b/tosca2heat/tosca-parser/toscaparser/elements/entity_type.py new file mode 100644 index 0000000..5d620a5 --- /dev/null +++ b/tosca2heat/tosca-parser/toscaparser/elements/entity_type.py @@ -0,0 +1,145 @@ +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +import copy +import logging +import os +from toscaparser.common.exception import ExceptionCollector +from toscaparser.common.exception import ValidationError +from toscaparser.extensions.exttools import ExtTools +import toscaparser.utils.yamlparser + +log = logging.getLogger('tosca') + + +class EntityType(object): + '''Base class for TOSCA elements.''' + + SECTIONS = (DERIVED_FROM, PROPERTIES, ATTRIBUTES, REQUIREMENTS, + INTERFACES, CAPABILITIES, TYPE, ARTIFACTS) = \ + ('derived_from', 'properties', 'attributes', 'requirements', + 'interfaces', 'capabilities', 'type', 'artifacts') + + '''TOSCA definition file.''' + TOSCA_DEF_FILE = os.path.join( + os.path.dirname(os.path.abspath(__file__)), + "TOSCA_definition_1_0.yaml") + + loader = toscaparser.utils.yamlparser.load_yaml + + TOSCA_DEF = loader(TOSCA_DEF_FILE) + + RELATIONSHIP_TYPE = (DEPENDSON, HOSTEDON, CONNECTSTO, ATTACHESTO, + LINKSTO, BINDSTO) = \ + ('tosca.relationships.DependsOn', + 'tosca.relationships.HostedOn', + 'tosca.relationships.ConnectsTo', + 'tosca.relationships.AttachesTo', + 'tosca.relationships.network.LinksTo', + 'tosca.relationships.network.BindsTo') + + NODE_PREFIX = 'tosca.nodes.' + RELATIONSHIP_PREFIX = 'tosca.relationships.' + CAPABILITY_PREFIX = 'tosca.capabilities.' + INTERFACE_PREFIX = 'tosca.interfaces.' + ARTIFACT_PREFIX = 'tosca.artifacts.' + POLICY_PREFIX = 'tosca.policies.' + GROUP_PREFIX = 'tosca.groups.' + # currently the data types are defined only for network + # but may have changes in the future. + DATATYPE_PREFIX = 'tosca.datatypes.network.' + TOSCA = 'tosca' + + def derived_from(self, defs): + '''Return a type this type is derived from.''' + return self.entity_value(defs, 'derived_from') + + def is_derived_from(self, type_str): + '''Check if object inherits from the given type. + + Returns true if this object is derived from 'type_str'. + False otherwise. + ''' + if not self.type: + return False + elif self.type == type_str: + return True + elif self.parent_type: + return self.parent_type.is_derived_from(type_str) + else: + return False + + def entity_value(self, defs, key): + if key in defs: + return defs[key] + + def get_value(self, ndtype, defs=None, parent=None): + value = None + if defs is None: + if not hasattr(self, 'defs'): + return None + defs = self.defs + if ndtype in defs: + # copy the value to avoid that next operations add items in the + # item definitions + value = copy.copy(defs[ndtype]) + if parent: + p = self + if p: + while p: + if ndtype in p.defs: + # get the parent value + parent_value = p.defs[ndtype] + if value: + if isinstance(value, dict): + for k, v in parent_value.items(): + if k not in value.keys(): + value[k] = v + if isinstance(value, list): + for p_value in parent_value: + if p_value not in value: + value.append(p_value) + else: + value = copy.copy(parent_value) + p = p.parent_type + return value + + def get_definition(self, ndtype): + value = None + if not hasattr(self, 'defs'): + defs = None + ExceptionCollector.appendException( + ValidationError(message="defs is " + str(defs))) + else: + defs = self.defs + if defs is not None and ndtype in defs: + value = defs[ndtype] + p = self.parent_type + if p: + inherited = p.get_definition(ndtype) + if inherited: + inherited = dict(inherited) + if not value: + value = inherited + else: + inherited.update(value) + value.update(inherited) + return value + + +def update_definitions(version): + exttools = ExtTools() + extension_defs_file = exttools.get_defs_file(version) + + loader = toscaparser.utils.yamlparser.load_yaml + + EntityType.TOSCA_DEF.update(loader(extension_defs_file)) -- cgit 1.2.3-korg