/usr/lib/python3/dist-packages/toscaparser/tosca_template.py is in python3-tosca-parser 0.1.0-3.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | # 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 logging
import os
from toscaparser.common.exception import InvalidTemplateVersion
from toscaparser.common.exception import MissingRequiredFieldError
from toscaparser.common.exception import UnknownFieldError
from toscaparser.topology_template import TopologyTemplate
from toscaparser.tpl_relationship_graph import ToscaGraph
import toscaparser.utils.yamlparser
# TOSCA template key names
SECTIONS = (DEFINITION_VERSION, DEFAULT_NAMESPACE, TEMPLATE_NAME,
TOPOLOGY_TEMPLATE, TEMPLATE_AUTHOR, TEMPLATE_VERSION,
DESCRIPTION, IMPORTS, DSL_DEFINITIONS, NODE_TYPES,
RELATIONSHIP_TYPES, RELATIONSHIP_TEMPLATES,
CAPABILITY_TYPES, ARTIFACT_TYPES, DATATYPE_DEFINITIONS) = \
('tosca_definitions_version', 'tosca_default_namespace',
'template_name', 'topology_template', 'template_author',
'template_version', 'description', 'imports', 'dsl_definitions',
'node_types', 'relationship_types', 'relationship_templates',
'capability_types', 'artifact_types', 'datatype_definitions')
log = logging.getLogger("tosca.model")
YAML_LOADER = toscaparser.utils.yamlparser.load_yaml
class ToscaTemplate(object):
VALID_TEMPLATE_VERSIONS = ['tosca_simple_yaml_1_0']
'''Load the template data.'''
def __init__(self, path, parsed_params=None):
self.tpl = YAML_LOADER(path)
self.path = path
self.parsed_params = parsed_params
self._validate_field()
self.version = self._tpl_version()
self.relationship_types = self._tpl_relationship_types()
self.description = self._tpl_description()
self.topology_template = self._topology_template()
self.inputs = self._inputs()
self.relationship_templates = self._relationship_templates()
self.nodetemplates = self._nodetemplates()
self.outputs = self._outputs()
self.graph = ToscaGraph(self.nodetemplates)
def _topology_template(self):
return TopologyTemplate(self._tpl_topology_template(),
self._get_all_custom_defs(),
self.relationship_types,
self.parsed_params)
def _inputs(self):
return self.topology_template.inputs
def _nodetemplates(self):
return self.topology_template.nodetemplates
def _relationship_templates(self):
return self.topology_template.relationship_templates
def _outputs(self):
return self.topology_template.outputs
def _tpl_version(self):
return self.tpl[DEFINITION_VERSION]
def _tpl_description(self):
return self.tpl[DESCRIPTION].rstrip()
def _tpl_imports(self):
if IMPORTS in self.tpl:
return self.tpl[IMPORTS]
def _tpl_relationship_types(self):
return self._get_custom_types(RELATIONSHIP_TYPES)
def _tpl_relationship_templates(self):
topology_template = self._tpl_topology_template()
if RELATIONSHIP_TEMPLATES in topology_template.keys():
return topology_template[RELATIONSHIP_TEMPLATES]
else:
return None
def _tpl_topology_template(self):
return self.tpl.get(TOPOLOGY_TEMPLATE)
def _get_all_custom_defs(self):
types = [NODE_TYPES, CAPABILITY_TYPES, RELATIONSHIP_TYPES,
DATATYPE_DEFINITIONS]
custom_defs = {}
for type in types:
custom_def = self._get_custom_types(type)
if custom_def:
custom_defs.update(custom_def)
return custom_defs
def _get_custom_types(self, type_definition):
# Handle custom types defined in outer template file
custom_defs = {}
imports = self._tpl_imports()
if imports:
for definition in imports:
if os.path.isabs(definition):
def_file = definition
else:
tpl_dir = os.path.dirname(os.path.abspath(self.path))
def_file = os.path.join(tpl_dir, definition)
custom_type = YAML_LOADER(def_file)
outer_custom_types = custom_type.get(type_definition)
if outer_custom_types:
custom_defs.update(outer_custom_types)
# Handle custom types defined in current template file
inner_custom_types = self.tpl.get(type_definition) or {}
if inner_custom_types:
custom_defs.update(inner_custom_types)
return custom_defs
def _validate_field(self):
try:
version = self._tpl_version()
self._validate_version(version)
except KeyError:
raise MissingRequiredFieldError(what='Template',
required=DEFINITION_VERSION)
for name in self.tpl:
if name not in SECTIONS:
raise UnknownFieldError(what='Template', field=name)
def _validate_version(self, version):
if version not in self.VALID_TEMPLATE_VERSIONS:
raise InvalidTemplateVersion(
what=version,
valid_versions=', '. join(self.VALID_TEMPLATE_VERSIONS))
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