tosca2heat/tosca-parser/toscaparser/elements/interfaces.py

   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
   4 #
   5 #         http://www.apache.org/licenses/LICENSE-2.0
   6 #
   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
  11 #    under the License.
  12
  13 from toscaparser.common.exception import ExceptionCollector
  14 from toscaparser.common.exception import UnknownFieldError
  15 from toscaparser.elements.statefulentitytype import StatefulEntityType
  16
  17 SECTIONS = (LIFECYCLE, CONFIGURE, LIFECYCLE_SHORTNAME,
  18             CONFIGURE_SHORTNAME) = \
  19            ('tosca.interfaces.node.lifecycle.Standard',
  20             'tosca.interfaces.relationship.Configure',
  21             'Standard', 'Configure')
  22
  23 INTERFACEVALUE = (IMPLEMENTATION, INPUTS) = ('implementation', 'inputs')
  24
  25
  26 class InterfacesDef(StatefulEntityType):
  27     '''TOSCA built-in interfaces type.'''
  28
  29     def __init__(self, node_type, interfacetype,
  30                  node_template=None, name=None, value=None):
  31         self.ntype = node_type
  32         self.node_template = node_template
  33         self.type = interfacetype
  34         self.name = name
  35         self.value = value
  36         self.implementation = None
  37         self.inputs = None
  38         self.defs = {}
  39         if interfacetype == LIFECYCLE_SHORTNAME:
  40             interfacetype = LIFECYCLE
  41         if interfacetype == CONFIGURE_SHORTNAME:
  42             interfacetype = CONFIGURE
  43         if node_type:
  44             self.defs = self.TOSCA_DEF[interfacetype]
  45         if value:
  46             if isinstance(self.value, dict):
  47                 for i, j in self.value.items():
  48                     if i == IMPLEMENTATION:
  49                         self.implementation = j
  50                     elif i == INPUTS:
  51                         self.inputs = j
  52                     else:
  53                         what = ('"interfaces" of template "%s"' %
  54                                 self.node_template.name)
  55                         ExceptionCollector.appendException(
  56                             UnknownFieldError(what=what, field=i))
  57             else:
  58                 self.implementation = value
  59
  60     @property
  61     def lifecycle_ops(self):
  62         if self.defs:
  63             if self.type == LIFECYCLE:
  64                 return self._ops()
  65
  66     @property
  67     def configure_ops(self):
  68         if self.defs:
  69             if self.type == CONFIGURE:
  70                 return self._ops()
  71
  72     def _ops(self):
  73         ops = []
  74         for name in list(self.defs.keys()):
  75             ops.append(name)
  76         return ops