0d23118af2
Parse the TOSCA template as per the specification defined in TOSCA Simple Profile in YAML v1.0 working draft 1. Partially Implements: blueprint heat-translator-tosca Change-Id: I9d71a28b7b48b7591a55c2b0947ce63beb335bbf
84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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from translator.toscalib.nodetemplate import NodeTemplate
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from translator.toscalib.parameters import Input, Output
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from translator.toscalib.tpl_relationship_graph import ToscaGraph
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from translator.toscalib.utils.gettextutils import _
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import translator.toscalib.utils.yamlparser
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SECTIONS = (VERSION, DESCRIPTION, INPUTS,
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NODE_TEMPLATES, OUTPUTS) = \
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('tosca_definitions_version', 'description', 'inputs',
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'node_templates', 'outputs')
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log = logging.getLogger("tosca.model")
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class ToscaTemplate(object):
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'''Load the template data.'''
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def __init__(self, path):
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self.tpl = translator.toscalib.utils.yamlparser.load_yaml(path)
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self.version = self._tpl_version()
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self.description = self._tpl_description()
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self.inputs = self._inputs()
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self.nodetemplates = self._nodetemplates()
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self.outputs = self._outputs()
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self.graph = ToscaGraph(self.nodetemplates)
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def _inputs(self):
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inputs = []
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for name, attrs in self._tpl_inputs().items():
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input = Input(name, attrs)
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if not isinstance(input.schema, dict):
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raise ValueError(_("The input %(input)s has no attributes.")
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% {'input': input})
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input.validate()
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inputs.append(input)
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return inputs
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def _nodetemplates(self):
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nodetemplates = []
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tpls = self._tpl_nodetemplates()
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for name, value in tpls.items():
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tpl = NodeTemplate(name, tpls)
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tpl.validate()
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nodetemplates.append(tpl)
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return nodetemplates
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def _outputs(self):
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outputs = []
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for name, attrs in self._tpl_outputs().items():
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outputs.append(Output(name, attrs))
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return outputs
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def _tpl_version(self):
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return self.tpl[VERSION]
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def _tpl_description(self):
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return self.tpl[DESCRIPTION].rstrip()
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def _tpl_inputs(self):
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return self.tpl[INPUTS]
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def _tpl_nodetemplates(self):
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return self.tpl[NODE_TEMPLATES]
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def _tpl_outputs(self):
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return self.tpl[OUTPUTS]
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