1 files changed, 55 insertions, 0 deletions
diff --git a/nfvparser/toscaparser/groups.py b/nfvparser/toscaparser/groups.py
new file mode 100644
index 0000000..6a3e5c7
--- /dev/null
+++ b/nfvparser/toscaparser/groups.py
@@ -0,0 +1,55 @@
+#    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.
+
+from toscaparser.common.exception import ExceptionCollector
+from toscaparser.common.exception import UnknownFieldError
+from toscaparser.entity_template import EntityTemplate
+from toscaparser.utils import validateutils
+
+SECTIONS = (TYPE, METADATA, DESCRIPTION, PROPERTIES, MEMBERS, INTERFACES) = \
+           ('type', 'metadata', 'description',
+            'properties', 'members', 'interfaces')
+
+
+class Group(EntityTemplate):
+
+    def __init__(self, name, group_templates, member_nodes, custom_defs=None):
+        super(Group, self).__init__(name,
+                                    group_templates,
+                                    'group_type',
+                                    custom_defs)
+        self.name = name
+        self.tpl = group_templates
+        self.meta_data = None
+        if self.METADATA in self.tpl:
+            self.meta_data = self.tpl.get(self.METADATA)
+            validateutils.validate_map(self.meta_data)
+        self.member_nodes = member_nodes
+        self._validate_keys()
+
+    @property
+    def members(self):
+        return self.entity_tpl.get('members')
+
+    @property
+    def description(self):
+        return self.entity_tpl.get('description')
+
+    def get_member_nodes(self):
+        return self.member_nodes
+
+    def _validate_keys(self):
+        for key in self.entity_tpl.keys():
+            if key not in SECTIONS:
+                ExceptionCollector.appendException(
+                    UnknownFieldError(what='Groups "%s"' % self.name,
+                                      field=key))