1 # Licensed under the Apache License, Version 2.0 (the "License"); you may
2 # not use this file except in compliance with the License. You may obtain
3 # a copy of the License at
5 # http://www.apache.org/licenses/LICENSE-2.0
7 # Unless required by applicable law or agreed to in writing, software
8 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
9 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
10 # License for the specific language governing permissions and limitations
15 from toscaparser.common.exception import ExceptionCollector
16 from toscaparser.common.exception import InvalidNodeTypeError
17 from toscaparser.common.exception import MissingDefaultValueError
18 from toscaparser.common.exception import MissingRequiredFieldError
19 from toscaparser.common.exception import MissingRequiredInputError
20 from toscaparser.common.exception import UnknownFieldError
21 from toscaparser.common.exception import UnknownOutputError
22 from toscaparser.elements.nodetype import NodeType
23 from toscaparser.utils.gettextutils import _
24 from org.openecomp.sdc.toscaparser.jython import JySubstitutionMappings
26 log = logging.getLogger('tosca')
29 class SubstitutionMappings(JySubstitutionMappings):
30 '''SubstitutionMappings class declaration
32 SubstitutionMappings exports the topology template as an
33 implementation of a Node type.
36 SECTIONS = (NODE_TYPE, REQUIREMENTS, CAPABILITIES) = \
37 ('node_type', 'requirements', 'capabilities')
39 OPTIONAL_OUTPUTS = ['tosca_id', 'tosca_name', 'state']
41 def __init__(self, sub_mapping_def, nodetemplates, inputs, outputs, groups,
42 sub_mapped_node_template, custom_defs, metadata):
43 self.nodetemplates = nodetemplates
44 self.sub_mapping_def = sub_mapping_def
45 self.inputs = inputs or []
46 self.outputs = outputs or []
47 self.groups = groups or []
48 self.sub_mapped_node_template = sub_mapped_node_template
49 self.custom_defs = custom_defs or {}
51 self.metadata = metadata
52 self._capabilities = None
53 self._requirements = None
55 def getJyNodeTemplates(self):
56 return self.nodetemplates
58 def getJyInputs(self):
61 def getJyGroups(self):
64 def getJyNodeDefinition(self):
65 return self.node_definition
67 def getJyMetadata(self):
72 if self.sub_mapping_def:
73 return self.sub_mapping_def.get(self.NODE_TYPE)
76 def get_node_type(cls, sub_mapping_def):
77 if isinstance(sub_mapping_def, dict):
78 return sub_mapping_def.get(cls.NODE_TYPE)
82 return self.sub_mapping_def.get(self.NODE_TYPE)
85 def capabilities(self):
86 return self.sub_mapping_def.get(self.CAPABILITIES)
89 def requirements(self):
90 return self.sub_mapping_def.get(self.REQUIREMENTS)
93 def node_definition(self):
94 return NodeType(self.node_type, self.custom_defs)
101 # SubstitutionMapping class syntax validation
102 self._validate_inputs()
103 self._validate_capabilities()
104 self._validate_requirements()
105 self._validate_outputs()
107 def _validate_keys(self):
108 """validate the keys of substitution mappings."""
109 for key in self.sub_mapping_def.keys():
110 if key not in self.SECTIONS:
111 ExceptionCollector.appendException(
112 UnknownFieldError(what=_('SubstitutionMappings'),
115 def _validate_type(self):
116 """validate the node_type of substitution mappings."""
117 node_type = self.sub_mapping_def.get(self.NODE_TYPE)
119 ExceptionCollector.appendException(
120 MissingRequiredFieldError(
121 what=_('SubstitutionMappings used in topology_template'),
122 required=self.NODE_TYPE))
124 node_type_def = self.custom_defs.get(node_type)
125 if not node_type_def:
126 ExceptionCollector.appendException(
127 InvalidNodeTypeError(what=node_type))
129 def _validate_inputs(self):
130 """validate the inputs of substitution mappings.
132 The inputs defined by the topology template have to match the
133 properties of the node type or the substituted node. If there are
134 more inputs than the substituted node has properties, default values
135 must be defined for those inputs.
138 all_inputs = set([input.name for input in self.inputs])
139 required_properties = set([p.name for p in
140 self.node_definition.
141 get_properties_def_objects()
142 if p.required and p.default is None])
143 # Must provide inputs for required properties of node type.
144 for property in required_properties:
145 # Check property which is 'required' and has no 'default' value
146 if property not in all_inputs:
147 ExceptionCollector.appendException(
148 MissingRequiredInputError(
149 what=_('SubstitutionMappings with node_type ')
151 input_name=property))
153 # If the optional properties of node type need to be customized by
154 # substituted node, it also is necessary to define inputs for them,
155 # otherwise they are not mandatory to be defined.
156 customized_parameters = set(self.sub_mapped_node_template
157 .get_properties().keys()
158 if self.sub_mapped_node_template else [])
159 all_properties = set(self.node_definition.get_properties_def())
160 for parameter in customized_parameters - all_inputs:
161 if parameter in all_properties:
162 ExceptionCollector.appendException(
163 MissingRequiredInputError(
164 what=_('SubstitutionMappings with node_type ')
166 input_name=parameter))
168 # Additional inputs are not in the properties of node type must
169 # provide default values. Currently the scenario may not happen
170 # because of parameters validation in nodetemplate, here is a
172 for input in self.inputs:
173 if input.name in all_inputs - all_properties \
174 and input.default is None:
175 ExceptionCollector.appendException(
176 MissingDefaultValueError(
177 what=_('SubstitutionMappings with node_type ')
179 input_name=input.name))
181 def _validate_capabilities(self):
182 """validate the capabilities of substitution mappings."""
184 # The capabilites must be in node template wchich be mapped.
185 tpls_capabilities = self.sub_mapping_def.get(self.CAPABILITIES)
186 node_capabiliteys = self.sub_mapped_node_template.get_capabilities() \
187 if self.sub_mapped_node_template else None
188 for cap in node_capabiliteys.keys() if node_capabiliteys else []:
189 if (tpls_capabilities and
190 cap not in list(tpls_capabilities.keys())):
192 # ExceptionCollector.appendException(
193 # UnknownFieldError(what='SubstitutionMappings',
196 def _validate_requirements(self):
197 """validate the requirements of substitution mappings."""
199 # The requirements must be in node template wchich be mapped.
200 tpls_requirements = self.sub_mapping_def.get(self.REQUIREMENTS)
201 node_requirements = self.sub_mapped_node_template.requirements \
202 if self.sub_mapped_node_template else None
203 for req in node_requirements if node_requirements else []:
204 if (tpls_requirements and
205 req not in list(tpls_requirements.keys())):
207 # ExceptionCollector.appendException(
208 # UnknownFieldError(what='SubstitutionMappings',
211 def _validate_outputs(self):
212 """validate the outputs of substitution mappings.
214 The outputs defined by the topology template have to match the
215 attributes of the node type or the substituted node template,
216 and the observable attributes of the substituted node template
217 have to be defined as attributes of the node type or outputs in
218 the topology template.
221 # The outputs defined by the topology template have to match the
222 # attributes of the node type according to the specification, but
223 # it's reasonable that there are more inputs than the node type
224 # has properties, the specification will be amended?
225 for output in self.outputs:
226 if output.name not in self.node_definition.get_attributes_def():
227 ExceptionCollector.appendException(
229 where=_('SubstitutionMappings with node_type ')
231 output_name=output.name))