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
347 lines
15 KiB
Python
347 lines
15 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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from toscaparser.common import exception
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from toscaparser.dataentity import DataEntity
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from toscaparser import functions
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from toscaparser.groups import Group
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from toscaparser.nodetemplate import NodeTemplate
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from toscaparser.parameters import Input
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from toscaparser.parameters import Output
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from toscaparser.policy import Policy
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from toscaparser.relationship_template import RelationshipTemplate
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from toscaparser.substitution_mappings import SubstitutionMappings
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from toscaparser.tpl_relationship_graph import ToscaGraph
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from toscaparser.utils.gettextutils import _
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# Topology template key names
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SECTIONS = (DESCRIPTION, INPUTS, NODE_TEMPLATES,
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RELATIONSHIP_TEMPLATES, OUTPUTS, GROUPS,
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SUBSTITUION_MAPPINGS, POLICIES) = \
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('description', 'inputs', 'node_templates',
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'relationship_templates', 'outputs', 'groups',
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'substitution_mappings', 'policies')
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log = logging.getLogger("tosca.model")
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class TopologyTemplate(object):
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'''Load the template data.'''
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def __init__(self, template, custom_defs,
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rel_types=None, parsed_params=None,
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sub_mapped_node_template=None):
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self.tpl = template
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self.sub_mapped_node_template = sub_mapped_node_template
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if self.tpl:
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self.custom_defs = custom_defs
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self.rel_types = rel_types
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self.parsed_params = parsed_params
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self._validate_field()
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self.description = self._tpl_description()
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self.inputs = self._inputs()
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self.relationship_templates = self._relationship_templates()
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self.nodetemplates = self._nodetemplates()
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self.outputs = self._outputs()
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if hasattr(self, 'nodetemplates'):
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self.graph = ToscaGraph(self.nodetemplates)
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self.groups = self._groups()
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self.policies = self._policies()
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self._process_intrinsic_functions()
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self.substitution_mappings = self._substitution_mappings()
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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 self.parsed_params and name in self.parsed_params:
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input.validate(self.parsed_params[name])
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else:
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default = input.default
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if default:
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input.validate(default)
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if (self.parsed_params and input.name not in self.parsed_params
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or self.parsed_params is None) and input.required \
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and input.default is None:
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log.warning('The required parameter %s '
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'is not provided' % input.name)
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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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if tpls:
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for name in tpls:
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tpl = NodeTemplate(name, tpls, self.custom_defs,
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self.relationship_templates,
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self.rel_types)
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if (tpl.type_definition and
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(tpl.type in tpl.type_definition.TOSCA_DEF or
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(tpl.type not in tpl.type_definition.TOSCA_DEF and
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bool(tpl.custom_def)))):
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tpl.validate(self)
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nodetemplates.append(tpl)
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return nodetemplates
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def _relationship_templates(self):
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rel_templates = []
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tpls = self._tpl_relationship_templates()
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for name in tpls:
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tpl = RelationshipTemplate(tpls[name], name, self.custom_defs)
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rel_templates.append(tpl)
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return rel_templates
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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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output = Output(name, attrs)
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output.validate()
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outputs.append(output)
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return outputs
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def _substitution_mappings(self):
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tpl_substitution_mapping = self._tpl_substitution_mappings()
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# if tpl_substitution_mapping and self.sub_mapped_node_template:
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if tpl_substitution_mapping:
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return SubstitutionMappings(tpl_substitution_mapping,
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self.nodetemplates,
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self.inputs,
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self.outputs,
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self.sub_mapped_node_template,
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self.custom_defs)
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def _policies(self):
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policies = []
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for policy in self._tpl_policies():
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for policy_name, policy_tpl in policy.items():
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target_list = policy_tpl.get('targets')
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target_objects = []
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targets_type = "groups"
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if target_list and len(target_list) >= 1:
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target_objects = self._get_policy_groups(target_list)
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if not target_objects:
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targets_type = "node_templates"
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target_objects = self._get_group_members(target_list)
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policyObj = Policy(policy_name, policy_tpl,
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target_objects, targets_type,
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self.custom_defs)
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# If the policyObj.type is defined in TOSCA_definition_1_0.yaml
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# or is defined as a custom definition, validate the properties
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# before adding it to the policies list.
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if (policyObj.type_definition and
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(policyObj.type in policyObj.type_definition.TOSCA_DEF or
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(policyObj.type not in policyObj.type_definition.TOSCA_DEF
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and bool(policyObj.custom_def)))):
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policyObj.validate()
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policies.append(policyObj)
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return policies
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def _groups(self):
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groups = []
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member_nodes = None
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for group_name, group_tpl in self._tpl_groups().items():
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member_names = group_tpl.get('members')
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if member_names is not None:
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DataEntity.validate_datatype('list', member_names)
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if len(member_names) < 1 or \
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len(member_names) != len(set(member_names)):
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exception.ExceptionCollector.appendException(
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exception.InvalidGroupTargetException(
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message=_('Member nodes "%s" should be >= 1 '
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'and not repeated') % member_names))
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else:
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member_nodes = self._get_group_members(member_names)
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group = Group(group_name, group_tpl,
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member_nodes,
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self.custom_defs)
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groups.append(group)
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return groups
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def _get_group_members(self, member_names):
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member_nodes = []
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self._validate_group_members(member_names)
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for member in member_names:
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for node in self.nodetemplates:
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if node.name == member:
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member_nodes.append(node)
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return member_nodes
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def _get_policy_groups(self, member_names):
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member_groups = []
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for member in member_names:
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for group in self.groups:
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if group.name == member:
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member_groups.append(group)
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return member_groups
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def _validate_group_members(self, members):
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node_names = []
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for node in self.nodetemplates:
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node_names.append(node.name)
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for member in members:
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if member not in node_names:
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exception.ExceptionCollector.appendException(
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exception.InvalidGroupTargetException(
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message=_('Target member "%s" is not found in '
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'node_templates') % member))
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# topology template can act like node template
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# it is exposed by substitution_mappings.
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def nodetype(self):
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return self.substitution_mappings.node_type \
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if self.substitution_mappings else None
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def capabilities(self):
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return self.substitution_mappings.capabilities \
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if self.substitution_mappings else None
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def requirements(self):
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return self.substitution_mappings.requirements \
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if self.substitution_mappings else None
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def _tpl_description(self):
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description = self.tpl.get(DESCRIPTION)
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if description:
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return description.rstrip()
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def _tpl_inputs(self):
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inputs = self.tpl.get(INPUTS) or {}
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if not isinstance(inputs, dict):
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exception.ExceptionCollector.appendException(
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exception.TypeMismatchError(what=INPUTS, type="dict"))
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return inputs
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def _tpl_nodetemplates(self):
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nodetemplates = self.tpl.get(NODE_TEMPLATES)
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if nodetemplates and not isinstance(nodetemplates, dict):
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exception.ExceptionCollector.appendException(
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exception.TypeMismatchError(what=NODE_TEMPLATES, type="dict"))
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return nodetemplates
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def _tpl_relationship_templates(self):
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relationship_templates = self.tpl.get(RELATIONSHIP_TEMPLATES) or {}
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if not isinstance(relationship_templates, dict):
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exception.ExceptionCollector.appendException(
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exception.TypeMismatchError(what=RELATIONSHIP_TEMPLATES,
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type="dict"))
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return relationship_templates
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def _tpl_outputs(self):
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outputs = self.tpl.get(OUTPUTS) or {}
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if not isinstance(outputs, dict):
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exception.ExceptionCollector.appendException(
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exception.TypeMismatchError(what=OUTPUTS, type="dict"))
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return outputs
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def _tpl_substitution_mappings(self):
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substitution_mappings = self.tpl.get(SUBSTITUION_MAPPINGS) or {}
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if not isinstance(substitution_mappings, dict):
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exception.ExceptionCollector.appendException(
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exception.TypeMismatchError(what=SUBSTITUION_MAPPINGS,
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type="dict"))
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return substitution_mappings
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def _tpl_groups(self):
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groups = self.tpl.get(GROUPS) or {}
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if not isinstance(groups, dict):
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exception.ExceptionCollector.appendException(
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exception.TypeMismatchError(what=GROUPS, type="dict"))
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return groups
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def _tpl_policies(self):
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policies = self.tpl.get(POLICIES) or []
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if not isinstance(policies, list):
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exception.ExceptionCollector.appendException(
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exception.TypeMismatchError(what=POLICIES, type="list"))
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return policies
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def _validate_field(self):
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for name in self.tpl:
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if name not in SECTIONS:
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exception.ExceptionCollector.appendException(
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exception.UnknownFieldError(what='Template', field=name))
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def _process_intrinsic_functions(self):
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"""Process intrinsic functions
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Current implementation processes functions within node template
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properties, requirements, interfaces inputs and template outputs.
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"""
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if hasattr(self, 'nodetemplates'):
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for node_template in self.nodetemplates:
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for prop in node_template.get_properties_objects():
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prop.value = functions.get_function(self,
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node_template,
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prop.value)
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for interface in node_template.interfaces:
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if interface.inputs:
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for name, value in interface.inputs.items():
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interface.inputs[name] = functions.get_function(
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self,
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node_template,
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value)
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if node_template.requirements and \
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isinstance(node_template.requirements, list):
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for req in node_template.requirements:
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rel = req
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for req_name, req_item in req.items():
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if isinstance(req_item, dict):
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rel = req_item.get('relationship')
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break
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if rel and 'properties' in rel:
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for key, value in rel['properties'].items():
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rel['properties'][key] = \
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functions.get_function(self,
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req,
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value)
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if node_template.get_capabilities_objects():
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for cap in node_template.get_capabilities_objects():
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if cap.get_properties_objects():
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for prop in cap.get_properties_objects():
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propvalue = functions.get_function(
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self,
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node_template,
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prop.value)
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if isinstance(propvalue, functions.GetInput):
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propvalue = propvalue.result()
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for p, v in cap._properties.items():
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if p == prop.name:
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cap._properties[p] = propvalue
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for rel, node in node_template.relationships.items():
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rel_tpls = node.relationship_tpl
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if rel_tpls:
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for rel_tpl in rel_tpls:
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for interface in rel_tpl.interfaces:
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if interface.inputs:
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for name, value in \
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interface.inputs.items():
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interface.inputs[name] = \
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functions.get_function(self,
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rel_tpl,
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value)
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for output in self.outputs:
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func = functions.get_function(self, self.outputs, output.value)
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if isinstance(func, functions.GetAttribute):
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output.attrs[output.VALUE] = func
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@classmethod
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def get_sub_mapping_node_type(cls, topology_tpl):
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if topology_tpl and isinstance(topology_tpl, dict):
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submap_tpl = topology_tpl.get(SUBSTITUION_MAPPINGS)
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return SubstitutionMappings.get_node_type(submap_tpl)
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