/usr/lib/python3/dist-packages/toscaparser/nodetemplate.py is in python3-tosca-parser 0.1.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 | # 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
from toscaparser.common.exception import TypeMismatchError
from toscaparser.common.exception import UnknownFieldError
from toscaparser.elements.interfaces import CONFIGURE
from toscaparser.elements.interfaces import CONFIGURE_SHORTNAME
from toscaparser.elements.interfaces import InterfacesDef
from toscaparser.elements.interfaces import LIFECYCLE
from toscaparser.elements.interfaces import LIFECYCLE_SHORTNAME
from toscaparser.elements.relationshiptype import RelationshipType
from toscaparser.entity_template import EntityTemplate
from toscaparser.relationship_template import RelationshipTemplate
from toscaparser.utils.gettextutils import _
log = logging.getLogger('tosca')
class NodeTemplate(EntityTemplate):
'''Node template from a Tosca profile.'''
def __init__(self, name, node_templates, custom_def=None,
available_rel_tpls=None, available_rel_types=None):
super(NodeTemplate, self).__init__(name, node_templates[name],
'node_type',
custom_def)
self.templates = node_templates
self._validate_fields(node_templates[name])
self.custom_def = custom_def
self.related = {}
self.relationship_tpl = []
self.available_rel_tpls = available_rel_tpls
self.available_rel_types = available_rel_types
self._relationships = {}
@property
def relationships(self):
if not self._relationships:
requires = self.requirements
if requires:
for r in requires:
for r1, value in r.items():
explicit = self._get_explicit_relationship(r, value)
if explicit:
for key, value in explicit.items():
self._relationships[key] = value
return self._relationships
def _get_explicit_relationship(self, req, value):
"""Handle explicit relationship
For example,
- req:
node: DBMS
relationship: tosca.relationships.HostedOn
"""
explicit_relation = {}
node = value.get('node') if isinstance(value, dict) else value
if node:
# TODO(spzala) implement look up once Glance meta data is available
# to find a matching TOSCA node using the TOSCA types
msg = _('Lookup by TOSCA types are not supported. '
'Requirement for %s can not be full-filled.') % self.name
if (node in list(self.type_definition.TOSCA_DEF.keys())
or node in self.custom_def):
raise NotImplementedError(msg)
related_tpl = NodeTemplate(node, self.templates, self.custom_def)
relationship = value.get('relationship') \
if isinstance(value, dict) else None
# check if it's type has relationship defined
if not relationship:
parent_reqs = self.type_definition.get_all_requirements()
for key in req.keys():
for req_dict in parent_reqs:
if key in req_dict.keys():
relationship = (req_dict.get(key).
get('relationship'))
break
if relationship:
found_relationship_tpl = False
# apply available relationship templates if found
for tpl in self.available_rel_tpls:
if tpl.name == relationship:
rtype = RelationshipType(tpl.type, None,
self.custom_def)
explicit_relation[rtype] = related_tpl
self.relationship_tpl.append(tpl)
found_relationship_tpl = True
# create relationship template object.
rel_prfx = self.type_definition.RELATIONSHIP_PREFIX
if not found_relationship_tpl:
if isinstance(relationship, dict):
relationship = relationship.get('type')
if self.available_rel_types and \
relationship in self.available_rel_types.keys():
pass
elif not relationship.startswith(rel_prfx):
relationship = rel_prfx + relationship
for rtype in self.type_definition.relationship.keys():
if rtype.type == relationship:
explicit_relation[rtype] = related_tpl
related_tpl._add_relationship_template(req,
rtype.type)
elif self.available_rel_types:
if relationship in self.available_rel_types.keys():
rel_type_def = self.available_rel_types.\
get(relationship)
if 'derived_from' in rel_type_def:
super_type = \
rel_type_def.get('derived_from')
if not super_type.startswith(rel_prfx):
super_type = rel_prfx + super_type
if rtype.type == super_type:
explicit_relation[rtype] = related_tpl
related_tpl.\
_add_relationship_template(
req, rtype.type)
return explicit_relation
def _add_relationship_template(self, requirement, rtype):
req = requirement.copy()
req['type'] = rtype
tpl = RelationshipTemplate(req, rtype, None)
self.relationship_tpl.append(tpl)
def get_relationship_template(self):
return self.relationship_tpl
def _add_next(self, nodetpl, relationship):
self.related[nodetpl] = relationship
@property
def related_nodes(self):
if not self.related:
for relation, node in self.type_definition.relationship.items():
for tpl in self.templates:
if tpl == node.type:
self.related[NodeTemplate(tpl)] = relation
return self.related.keys()
def validate(self, tosca_tpl=None):
self._validate_capabilities()
self._validate_requirements()
self._validate_properties(self.entity_tpl, self.type_definition)
self._validate_interfaces()
for prop in self.get_properties_objects():
prop.validate()
def _validate_requirements(self):
type_requires = self.type_definition.get_all_requirements()
allowed_reqs = ["template"]
if type_requires:
for treq in type_requires:
for key, value in treq.items():
allowed_reqs.append(key)
if isinstance(value, dict):
for key in value:
allowed_reqs.append(key)
requires = self.type_definition.get_value(self.REQUIREMENTS,
self.entity_tpl)
if requires:
if not isinstance(requires, list):
raise TypeMismatchError(
what='Requirements of template %s' % self.name,
type='list')
for req in requires:
for r1, value in req.items():
if isinstance(value, dict):
self._validate_requirements_keys(value)
allowed_reqs.append(r1)
self._common_validate_field(req, allowed_reqs, 'Requirements')
def _validate_requirements_keys(self, requirement):
for key in requirement.keys():
if key not in self.REQUIREMENTS_SECTION:
raise UnknownFieldError(
what='Requirements of template %s' % self.name,
field=key)
def _validate_interfaces(self):
ifaces = self.type_definition.get_value(self.INTERFACES,
self.entity_tpl)
if ifaces:
for i in ifaces:
for name, value in ifaces.items():
if name in (LIFECYCLE, LIFECYCLE_SHORTNAME):
self._common_validate_field(
value, InterfacesDef.
interfaces_node_lifecycle_operations,
'Interfaces')
elif name in (CONFIGURE, CONFIGURE_SHORTNAME):
self._common_validate_field(
value, InterfacesDef.
interfaces_relationship_confiure_operations,
'Interfaces')
else:
raise UnknownFieldError(
what='Interfaces of template %s' % self.name,
field=name)
def _validate_fields(self, nodetemplate):
for name in nodetemplate.keys():
if name not in self.SECTIONS:
raise UnknownFieldError(what='Node template %s'
% self.name, field=name)
|