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,
42 sub_mapped_node_template, custom_defs):
43 self.nodetemplates = nodetemplates
44 self.sub_mapping_def = sub_mapping_def
45 self.inputs = inputs or []
46 self.outputs = outputs or []
47 self.sub_mapped_node_template = sub_mapped_node_template
48 self.custom_defs = custom_defs or {}
51 self._capabilities = None
52 self._requirements = None
54 def getJyNodeTemplates(self):
55 return self.nodetemplates
57 def getJyInputs(self):
60 def getJyNodeDefinition(self):
61 return self.node_definition
65 if self.sub_mapping_def:
66 return self.sub_mapping_def.get(self.NODE_TYPE)
69 def get_node_type(cls, sub_mapping_def):
70 if isinstance(sub_mapping_def, dict):
71 return sub_mapping_def.get(cls.NODE_TYPE)
75 return self.sub_mapping_def.get(self.NODE_TYPE)
78 def capabilities(self):
79 return self.sub_mapping_def.get(self.CAPABILITIES)
82 def requirements(self):
83 return self.sub_mapping_def.get(self.REQUIREMENTS)
86 def node_definition(self):
87 return NodeType(self.node_type, self.custom_defs)
94 # SubstitutionMapping class syntax validation
95 self._validate_inputs()
96 self._validate_capabilities()
97 self._validate_requirements()
98 self._validate_outputs()
100 def _validate_keys(self):
101 """validate the keys of substitution mappings."""
102 for key in self.sub_mapping_def.keys():
103 if key not in self.SECTIONS:
104 ExceptionCollector.appendException(
105 UnknownFieldError(what=_('SubstitutionMappings'),
108 def _validate_type(self):
109 """validate the node_type of substitution mappings."""
110 node_type = self.sub_mapping_def.get(self.NODE_TYPE)
112 ExceptionCollector.appendException(
113 MissingRequiredFieldError(
114 what=_('SubstitutionMappings used in topology_template'),
115 required=self.NODE_TYPE))
117 node_type_def = self.custom_defs.get(node_type)
118 if not node_type_def:
119 ExceptionCollector.appendException(
120 InvalidNodeTypeError(what=node_type))
122 def _validate_inputs(self):
123 """validate the inputs of substitution mappings.
125 The inputs defined by the topology template have to match the
126 properties of the node type or the substituted node. If there are
127 more inputs than the substituted node has properties, default values
128 must be defined for those inputs.
131 all_inputs = set([input.name for input in self.inputs])
132 required_properties = set([p.name for p in
133 self.node_definition.
134 get_properties_def_objects()
135 if p.required and p.default is None])
136 # Must provide inputs for required properties of node type.
137 for property in required_properties:
138 # Check property which is 'required' and has no 'default' value
139 if property not in all_inputs:
140 ExceptionCollector.appendException(
141 MissingRequiredInputError(
142 what=_('SubstitutionMappings with node_type ')
144 input_name=property))
146 # If the optional properties of node type need to be customized by
147 # substituted node, it also is necessary to define inputs for them,
148 # otherwise they are not mandatory to be defined.
149 customized_parameters = set(self.sub_mapped_node_template
150 .get_properties().keys()
151 if self.sub_mapped_node_template else [])
152 all_properties = set(self.node_definition.get_properties_def())
153 for parameter in customized_parameters - all_inputs:
154 if parameter in all_properties:
155 ExceptionCollector.appendException(
156 MissingRequiredInputError(
157 what=_('SubstitutionMappings with node_type ')
159 input_name=parameter))
161 # Additional inputs are not in the properties of node type must
162 # provide default values. Currently the scenario may not happen
163 # because of parameters validation in nodetemplate, here is a
165 for input in self.inputs:
166 if input.name in all_inputs - all_properties \
167 and input.default is None:
168 ExceptionCollector.appendException(
169 MissingDefaultValueError(
170 what=_('SubstitutionMappings with node_type ')
172 input_name=input.name))
174 def _validate_capabilities(self):
175 """validate the capabilities of substitution mappings."""
177 # The capabilites must be in node template wchich be mapped.
178 tpls_capabilities = self.sub_mapping_def.get(self.CAPABILITIES)
179 node_capabiliteys = self.sub_mapped_node_template.get_capabilities() \
180 if self.sub_mapped_node_template else None
181 for cap in node_capabiliteys.keys() if node_capabiliteys else []:
182 if (tpls_capabilities and
183 cap not in list(tpls_capabilities.keys())):
185 # ExceptionCollector.appendException(
186 # UnknownFieldError(what='SubstitutionMappings',
189 def _validate_requirements(self):
190 """validate the requirements of substitution mappings."""
192 # The requirements must be in node template wchich be mapped.
193 tpls_requirements = self.sub_mapping_def.get(self.REQUIREMENTS)
194 node_requirements = self.sub_mapped_node_template.requirements \
195 if self.sub_mapped_node_template else None
196 for req in node_requirements if node_requirements else []:
197 if (tpls_requirements and
198 req not in list(tpls_requirements.keys())):
200 # ExceptionCollector.appendException(
201 # UnknownFieldError(what='SubstitutionMappings',
204 def _validate_outputs(self):
205 """validate the outputs of substitution mappings.
207 The outputs defined by the topology template have to match the
208 attributes of the node type or the substituted node template,
209 and the observable attributes of the substituted node template
210 have to be defined as attributes of the node type or outputs in
211 the topology template.
214 # The outputs defined by the topology template have to match the
215 # attributes of the node type according to the specification, but
216 # it's reasonable that there are more inputs than the node type
217 # has properties, the specification will be amended?
218 for output in self.outputs:
219 if output.name not in self.node_definition.get_attributes_def():
220 ExceptionCollector.appendException(
222 where=_('SubstitutionMappings with node_type ')
224 output_name=output.name))