Move python files to root dir

Change-Id: I16a66e1f6bcb65cbb68f2b622618252885ab47fc
Issue-Id: MODELING-20
Signed-off-by: Zhaoxing <meng.zhaoxing1@zte.com.cn>

1 files changed, 298 insertions, 0 deletions

diff --git a/nfvparser/toscaparser/nodetemplate.py b/nfvparser/toscaparser/nodetemplate.py
new file mode 100644
index 0000000..0d65ac5
--- /dev/null
+++ b/nfvparser/toscaparser/nodetemplate.py
@@ -0,0 +1,298 @@
+#    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 ExceptionCollector
+from toscaparser.common.exception import InvalidPropertyValueError
+from toscaparser.common.exception import MissingRequiredFieldError
+from toscaparser.common.exception import TypeMismatchError
+from toscaparser.common.exception import UnknownFieldError
+from toscaparser.common.exception import ValidationError
+from toscaparser.dataentity import DataEntity
+from toscaparser.elements.interfaces import CONFIGURE
+from toscaparser.elements.interfaces import CONFIGURE_SHORTNAME
+from toscaparser.elements.interfaces import INTERFACE_DEF_RESERVED_WORDS
+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 = {}
+        self.substitution_mapped = None
+
+    @property
+    def relationships(self):
+        if not self._relationships:
+            requires = self.requirements
+            if requires and isinstance(requires, list):
+                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 is not supported. '
+                    'Requirement node "%(node)s" for "%(name)s"'
+                    ' can not be full-filled.') \
+                % {'node': node, 'name': self.name}
+            if (node in list(self.type_definition.TOSCA_DEF.keys())
+               or node in self.custom_def):
+                ExceptionCollector.appendException(NotImplementedError(msg))
+                return
+
+            if node not in self.templates:
+                ExceptionCollector.appendException(
+                    KeyError(_('Node template "%(node)s" was not found'
+                               ' in "%(name)s".')
+                             % {'node': node, 'name': self.name}))
+                return
+
+            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()
+                if parent_reqs is None:
+                    ExceptionCollector.appendException(
+                        ValidationError(message='parent_req is ' +
+                                        str(parent_reqs)))
+                else:
+                    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
+                if self.available_rel_tpls:
+                    for tpl in self.available_rel_tpls:
+                        if tpl.name == relationship:
+                            rtype = RelationshipType(tpl.type, None,
+                                                     self.custom_def)
+                            explicit_relation[rtype] = related_tpl
+                            tpl.target = related_tpl
+                            tpl.source = self
+                            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 relationship:
+                            if self.available_rel_types and \
+                               relationship in self.available_rel_types.keys():
+                                pass
+                            elif not relationship.startswith(rel_prfx):
+                                relationship = rel_prfx + relationship
+                        else:
+                            ExceptionCollector.appendException(
+                                MissingRequiredFieldError(
+                                    what=_('"relationship" used in template '
+                                           '"%s"') % related_tpl.name,
+                                    required=self.TYPE))
+                    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,
+                                                                   self)
+                        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, self)
+        return explicit_relation
+
+    def _add_relationship_template(self, requirement, rtype, source):
+        req = requirement.copy()
+        req['type'] = rtype
+        tpl = RelationshipTemplate(req, rtype, self.custom_def, self, source)
+        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):
+                ExceptionCollector.appendException(
+                    TypeMismatchError(
+                        what='"requirements" of template "%s"' % self.name,
+                        type='list'))
+            else:
+                for req in requires:
+                    for r1, value in req.items():
+                        if isinstance(value, dict):
+                            self._validate_requirements_keys(value)
+                            self._validate_requirements_properties(value)
+                            allowed_reqs.append(r1)
+                    self._common_validate_field(req, allowed_reqs,
+                                                'requirements')
+
+    def _validate_requirements_properties(self, requirements):
+        # TODO(anyone): Only occurrences property of the requirements is
+        # validated here. Validation of other requirement properties are being
+        # validated in different files. Better to keep all the requirements
+        # properties validation here.
+        for key, value in requirements.items():
+            if key == 'occurrences':
+                self._validate_occurrences(value)
+                break
+
+    def _validate_occurrences(self, occurrences):
+        DataEntity.validate_datatype('list', occurrences)
+        for value in occurrences:
+            DataEntity.validate_datatype('integer', value)
+        if len(occurrences) != 2 or not (0 <= occurrences[0] <= occurrences[1]) \
+                or occurrences[1] == 0:
+            ExceptionCollector.appendException(
+                InvalidPropertyValueError(what=(occurrences)))
+
+    def _validate_requirements_keys(self, requirement):
+        for key in requirement.keys():
+            if key not in self.REQUIREMENTS_SECTION:
+                ExceptionCollector.appendException(
+                    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 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_configure_operations,
+                        'interfaces')
+                elif name in self.type_definition.interfaces.keys():
+                    self._common_validate_field(
+                        value,
+                        self._collect_custom_iface_operations(name),
+                        'interfaces')
+                else:
+                    ExceptionCollector.appendException(
+                        UnknownFieldError(
+                            what='"interfaces" of template "%s"' %
+                            self.name, field=name))
+
+    def _collect_custom_iface_operations(self, name):
+        allowed_operations = []
+        nodetype_iface_def = self.type_definition.interfaces[name]
+        allowed_operations.extend(nodetype_iface_def.keys())
+        if 'type' in nodetype_iface_def:
+            iface_type = nodetype_iface_def['type']
+            if iface_type in self.type_definition.custom_def:
+                iface_type_def = self.type_definition.custom_def[iface_type]
+            else:
+                iface_type_def = self.type_definition.TOSCA_DEF[iface_type]
+            allowed_operations.extend(iface_type_def.keys())
+        allowed_operations = [op for op in allowed_operations if
+                              op not in INTERFACE_DEF_RESERVED_WORDS]
+        return allowed_operations
+
+    def _validate_fields(self, nodetemplate):
+        for name in nodetemplate.keys():
+            if name not in self.SECTIONS and name not in self.SPECIAL_SECTIONS:
+                ExceptionCollector.appendException(
+                    UnknownFieldError(what='Node template "%s"' % self.name,
+                                      field=name))