424cc36d52
Log messages are no longer being translated, which can simplify logging and avoid confusion with new contributions. OpenStack no longer supports log translation and depreciated since Pike release. Please refer: http://lists.openstack.org/pipermail/openstack-i18n/2016-November/002574.html http://lists.openstack.org/pipermail/openstack-dev/2017-March/113365.html Co-Authored-By: Manpreet Kaur kaurmanpreet2620@gmail.com Change-Id: Icd3977cf87feaea3d7883d260843ec4404cd17cb
298 lines
14 KiB
Python
298 lines
14 KiB
Python
# 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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import os
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from toscaparser.common.exception import ExceptionCollector
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from toscaparser.common.exception import InvalidPropertyValueError
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from toscaparser.common.exception import MissingRequiredFieldError
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from toscaparser.common.exception import UnknownFieldError
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from toscaparser.common.exception import ValidationError
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from toscaparser.elements.tosca_type_validation import TypeValidation
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from toscaparser.utils.gettextutils import _
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import toscaparser.utils.urlutils
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import toscaparser.utils.yamlparser
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YAML_LOADER = toscaparser.utils.yamlparser.load_yaml
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log = logging.getLogger("tosca")
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class ImportsLoader(object):
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IMPORTS_SECTION = (FILE, REPOSITORY, NAMESPACE_URI, NAMESPACE_PREFIX) = \
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('file', 'repository', 'namespace_uri',
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'namespace_prefix')
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def __init__(self, importslist, path, type_definition_list=None,
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tpl=None):
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self.importslist = importslist
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self.custom_defs = {}
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self.nested_tosca_tpls = []
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self.nested_imports = {}
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if not path and not tpl:
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msg = _('Input tosca template is not provided.')
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log.warning(msg)
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ExceptionCollector.appendException(ValidationError(message=msg))
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self.path = path
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self.repositories = {}
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if tpl and tpl.get('repositories'):
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self.repositories = tpl.get('repositories')
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self.type_definition_list = []
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if type_definition_list:
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if isinstance(type_definition_list, list):
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self.type_definition_list = type_definition_list
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else:
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self.type_definition_list.append(type_definition_list)
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self._validate_and_load_imports()
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def get_custom_defs(self):
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return self.custom_defs
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def get_nested_tosca_tpls(self):
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return self.nested_tosca_tpls
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def get_nested_imports(self):
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return self.nested_imports
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def _validate_and_load_imports(self):
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imports_names = set()
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if not self.importslist:
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msg = _('"imports" keyname is defined without including '
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'templates.')
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log.error(msg)
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ExceptionCollector.appendException(ValidationError(message=msg))
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return
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for import_def in self.importslist:
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if isinstance(import_def, dict):
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for import_name, import_uri in import_def.items():
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if import_name in imports_names:
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msg = (_('Duplicate import name "%s" was found.') %
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import_name)
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log.error(msg)
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ExceptionCollector.appendException(
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ValidationError(message=msg))
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imports_names.add(import_name)
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full_file_name, custom_type = self._load_import_template(
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import_name, import_uri)
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namespace_prefix = None
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if isinstance(import_uri, dict):
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namespace_prefix = import_uri.get(
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self.NAMESPACE_PREFIX)
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if custom_type:
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TypeValidation(custom_type, import_def)
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self._update_custom_def(custom_type, namespace_prefix)
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else: # old style of imports
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full_file_name, custom_type = self._load_import_template(
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None, import_def)
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if custom_type:
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TypeValidation(
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custom_type, import_def)
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self._update_custom_def(custom_type, None)
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if custom_type and 'imports' in custom_type.keys():
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self.nested_imports.update(
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{full_file_name: custom_type['imports']})
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self._update_nested_tosca_tpls(full_file_name, custom_type)
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def _update_custom_def(self, custom_type, namespace_prefix):
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outer_custom_types = {}
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for type_def in self.type_definition_list:
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outer_custom_types = custom_type.get(type_def)
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if outer_custom_types:
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if type_def == "imports":
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for i in self.custom_defs.get('imports', []):
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if i not in outer_custom_types:
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outer_custom_types.append(i)
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self.custom_defs.update({'imports': outer_custom_types})
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else:
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if namespace_prefix:
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prefix_custom_types = {}
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for type_def_key in outer_custom_types.keys():
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namespace_prefix_to_key = (namespace_prefix +
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"." + type_def_key)
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prefix_custom_types[namespace_prefix_to_key] = \
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outer_custom_types[type_def_key]
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self.custom_defs.update(prefix_custom_types)
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else:
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self.custom_defs.update(outer_custom_types)
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def _update_nested_tosca_tpls(self, full_file_name, custom_tpl):
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if full_file_name and custom_tpl:
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topo_tpl = {full_file_name: custom_tpl}
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self.nested_tosca_tpls.append(topo_tpl)
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def _validate_import_keys(self, import_name, import_uri_def):
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if self.FILE not in import_uri_def.keys():
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log.warning('Missing keyname "file" in import "%(name)s".'
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% {'name': import_name})
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ExceptionCollector.appendException(
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MissingRequiredFieldError(
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what='Import of template "%s"' % import_name,
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required=self.FILE))
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for key in import_uri_def.keys():
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if key not in self.IMPORTS_SECTION:
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log.warning('Unknown keyname "%(key)s" error in '
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'imported definition "%(def)s".'
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% {'key': key, 'def': import_name})
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ExceptionCollector.appendException(
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UnknownFieldError(
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what='Import of template "%s"' % import_name,
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field=key))
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def _load_import_template(self, import_name, import_uri_def):
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"""Handle custom types defined in imported template files
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This method loads the custom type definitions referenced in "imports"
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section of the TOSCA YAML template by determining whether each import
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is specified via a file reference (by relative or absolute path) or a
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URL reference.
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Possibilities:
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+----------+--------+------------------------------+
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| template | import | comment |
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+----------+--------+------------------------------+
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| file | file | OK |
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| file | URL | OK |
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| preparsed| file | file must be a full path |
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| preparsed| URL | OK |
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| URL | file | file must be a relative path |
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| URL | URL | OK |
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+----------+--------+------------------------------+
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"""
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short_import_notation = False
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if isinstance(import_uri_def, dict):
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self._validate_import_keys(import_name, import_uri_def)
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file_name = import_uri_def.get(self.FILE)
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repository = import_uri_def.get(self.REPOSITORY)
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repos = self.repositories.keys()
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if repository is not None:
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if repository not in repos:
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ExceptionCollector.appendException(
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InvalidPropertyValueError(
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what=_('Repository is not found in "%s"') % repos))
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else:
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file_name = import_uri_def
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repository = None
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short_import_notation = True
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if not file_name:
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msg = (_('A template file name is not provided with import '
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'definition "%(import_name)s".')
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% {'import_name': import_name})
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log.error(msg)
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ExceptionCollector.appendException(ValidationError(message=msg))
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return None, None
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if toscaparser.utils.urlutils.UrlUtils.validate_url(file_name):
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return file_name, YAML_LOADER(file_name, False)
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elif not repository:
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import_template = None
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if self.path:
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if toscaparser.utils.urlutils.UrlUtils.validate_url(self.path):
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if os.path.isabs(file_name):
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msg = (_('Absolute file name "%(name)s" cannot be '
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'used in a URL-based input template '
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'"%(template)s".')
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% {'name': file_name, 'template': self.path})
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log.error(msg)
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ExceptionCollector.appendException(ImportError(msg))
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return None, None
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import_template = toscaparser.utils.urlutils.UrlUtils.\
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join_url(self.path, file_name)
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a_file = False
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else:
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a_file = True
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main_a_file = os.path.isfile(self.path)
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if main_a_file:
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if os.path.isfile(file_name):
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import_template = file_name
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else:
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full_path = os.path.join(
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os.path.dirname(os.path.abspath(self.path)),
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file_name)
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if os.path.isfile(full_path):
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import_template = full_path
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else:
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file_path = file_name.rpartition("/")
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dir_path = os.path.dirname(os.path.abspath(
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self.path))
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if file_path[0] != '' and dir_path.endswith(
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file_path[0]):
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import_template = dir_path + "/" +\
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file_path[2]
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if not os.path.isfile(import_template):
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msg = (_('"%(import_template)s" is '
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'not a valid file')
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% {'import_template':
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import_template})
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log.error(msg)
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ExceptionCollector.appendException
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(ValueError(msg))
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else: # template is pre-parsed
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if os.path.isabs(file_name) and os.path.isfile(file_name):
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a_file = True
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import_template = file_name
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else:
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msg = (_('Relative file name "%(name)s" cannot be used '
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'in a pre-parsed input template.')
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% {'name': file_name})
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log.error(msg)
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ExceptionCollector.appendException(ImportError(msg))
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return None, None
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if not import_template:
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log.error('Import "%(name)s" is not valid.' %
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{'name': import_uri_def})
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ExceptionCollector.appendException(
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ImportError(_('Import "%s" is not valid.') %
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import_uri_def))
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return None, None
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return import_template, YAML_LOADER(import_template, a_file)
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if short_import_notation:
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log.error('Import "%(name)s" is not valid.' % import_uri_def)
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ExceptionCollector.appendException(
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ImportError(_('Import "%s" is not valid.') % import_uri_def))
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return None, None
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full_url = ""
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if repository:
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if self.repositories:
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for repo_name, repo_def in self.repositories.items():
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if repo_name == repository:
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# Remove leading, ending spaces and strip
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# the last character if "/"
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repo_url = ((repo_def['url']).strip()).rstrip("//")
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full_url = repo_url + "/" + file_name
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if not full_url:
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msg = (_('referenced repository "%(n_uri)s" in import '
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'definition "%(tpl)s" not found.')
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% {'n_uri': repository, 'tpl': import_name})
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log.error(msg)
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ExceptionCollector.appendException(ImportError(msg))
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return None, None
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if toscaparser.utils.urlutils.UrlUtils.validate_url(full_url):
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return full_url, YAML_LOADER(full_url, False)
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else:
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msg = (_('repository url "%(n_uri)s" is not valid in import '
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'definition "%(tpl)s".')
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% {'n_uri': repo_url, 'tpl': import_name})
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log.error(msg)
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ExceptionCollector.appendException(ImportError(msg))
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