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Posted to dev@ariatosca.apache.org by em...@apache.org on 2017/02/15 18:49:52 UTC

[1/2] incubator-ariatosca git commit: ARIA-88 Add TOSCA use-case examples

Repository: incubator-ariatosca
Updated Branches:
  refs/heads/ARIA-88-tosca-examples [created] feda8aefc


http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/simple_v1_0/functions.py
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/simple_v1_0/functions.py b/extensions/aria_extension_tosca/simple_v1_0/functions.py
index d17a960..e385817 100644
--- a/extensions/aria_extension_tosca/simple_v1_0/functions.py
+++ b/extensions/aria_extension_tosca/simple_v1_0/functions.py
@@ -171,15 +171,20 @@ class GetProperty(Function):
     def _evaluate(self, context, container):
         modelable_entities = get_modelable_entities(context, container, self.locator,
                                                     self.modelable_entity_name)
-
         req_or_cap_name = self.nested_property_name_or_index[0]
 
         for modelable_entity in modelable_entities:
+            properties = None
+            
             if hasattr(modelable_entity, 'requirement_templates') \
                 and modelable_entity.requirement_templates \
-                and (req_or_cap_name in modelable_entity.requirement_templates):
-                # First argument refers to a requirement
-                properties = modelable_entity.requirement_templates[req_or_cap_name].properties
+                and (req_or_cap_name in [v.name for v in modelable_entity.requirement_templates]):
+                for requirement_template in modelable_entity.requirement_templates:
+                    if requirement_template.name == req_or_cap_name:
+                        # First argument refers to a requirement
+                        # TODO: should follow to matched capability in other node...
+                        raise CannotEvaluateFunctionException()
+                        break
                 nested_property_name_or_index = self.nested_property_name_or_index[1:]
             elif hasattr(modelable_entity, 'capability_templates') \
                 and modelable_entity.capability_templates \
@@ -501,8 +506,7 @@ def get_host(context, container): # pylint: disable=unused-argument
     ends.
     """
 
-    print container.relationships
-    exit()
+    return []
 
 def get_source(context, container): # pylint: disable=unused-argument
     """
@@ -510,6 +514,8 @@ def get_source(context, container): # pylint: disable=unused-argument
     source end of the relationship that contains the referencing function.
     """
 
+    return []
+
 def get_target(context, container): # pylint: disable=unused-argument
     """
     A TOSCA orchestrator will interpret this keyword as the Node Template instance that is at the

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/simple_v1_0/misc.py
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/simple_v1_0/misc.py b/extensions/aria_extension_tosca/simple_v1_0/misc.py
index 4453c7a..42fc1ad 100644
--- a/extensions/aria_extension_tosca/simple_v1_0/misc.py
+++ b/extensions/aria_extension_tosca/simple_v1_0/misc.py
@@ -85,6 +85,7 @@ class MetaData(ExtensiblePresentation):
         :rtype: dict
         """
 
+@short_form_field('url')
 @has_fields
 @dsl_specification('3.5.5', 'tosca-simple-1.0')
 class Repository(ExtensiblePresentation):

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/simple_v1_0/modeling/__init__.py
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/simple_v1_0/modeling/__init__.py b/extensions/aria_extension_tosca/simple_v1_0/modeling/__init__.py
index 811da19..f340954 100644
--- a/extensions/aria_extension_tosca/simple_v1_0/modeling/__init__.py
+++ b/extensions/aria_extension_tosca/simple_v1_0/modeling/__init__.py
@@ -22,6 +22,7 @@ from aria.parser.modeling import (Type, RelationshipType, PolicyType, ServiceMod
                                   ArtifactTemplate, Metadata, Parameter)
 
 from ..data_types import coerce_value
+from platform import node
 
 def create_service_model(context): # pylint: disable=too-many-locals,too-many-branches
     model = ServiceModel()
@@ -106,7 +107,8 @@ def create_service_model(context): # pylint: disable=too-many-locals,too-many-br
     return model
 
 def create_node_template(context, node_template):
-    model = NodeTemplate(name=node_template._name, type_name=node_template.type)
+    node_type = node_template._get_type(context)
+    model = NodeTemplate(name=node_template._name, type_name=node_type._name)
 
     if node_template.description:
         model.description = node_template.description.value
@@ -137,12 +139,11 @@ def create_node_template(context, node_template):
     return model
 
 def create_interface_template(context, interface):
-    the_type = interface._get_type(context)
+    interface_type = interface._get_type(context)
+    model = InterfaceTemplate(name=interface._name, type_name=interface_type._name)
 
-    model = InterfaceTemplate(name=interface._name, type_name=the_type._name)
-
-    if the_type.description:
-        model.description = the_type.description.value
+    if interface_type.description:
+        model.description = interface_type.description.value
 
     inputs = interface.inputs
     if inputs:

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/simple_v1_0/modeling/requirements.py
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/simple_v1_0/modeling/requirements.py b/extensions/aria_extension_tosca/simple_v1_0/modeling/requirements.py
index 97e30ee..2a68da2 100644
--- a/extensions/aria_extension_tosca/simple_v1_0/modeling/requirements.py
+++ b/extensions/aria_extension_tosca/simple_v1_0/modeling/requirements.py
@@ -171,7 +171,8 @@ def convert_requirement_from_definition_to_assignment(context, requirement_defin
         # Make sure the type is derived
         if not definition_relationship_type._is_descendant(context, relationship_type):
             context.validation.report(
-                'assigned relationship type "%s" is not a descendant of declared relationship type "%s"'
+                'assigned relationship type "%s" is not a descendant of declared relationship type'
+                ' "%s"' \
                 % (relationship_type._name, definition_relationship_type._name),
                 locator=container._locator, level=Issue.BETWEEN_TYPES)
 
@@ -189,11 +190,11 @@ def convert_requirement_from_definition_to_assignment(context, requirement_defin
 
         if relationship_template is not None:
             # Property values from template
-            raw['properties'] = relationship_template._get_property_values(context)
+            raw['relationship']['properties'] = relationship_template._get_property_values(context)
         else:
             if relationship_property_definitions:
                 # Convert property definitions to values
-                raw['properties'] = \
+                raw['relationship']['properties'] = \
                     convert_property_definitions_to_values(context,
                                                            relationship_property_definitions)
 
@@ -210,9 +211,9 @@ def convert_requirement_from_definition_to_assignment(context, requirement_defin
         if relationship_definition:
             # Merge extra interface definitions
             # InterfaceDefinition:
-            relationship_interface_definitions = relationship_definition.interfaces
+            definition_interface_definitions = relationship_definition.interfaces
             merge_interface_definitions(context, relationship_interface_definitions,
-                                        relationship_interface_definitions, requirement_definition,
+                                        definition_interface_definitions, requirement_definition,
                                         container)
 
         if relationship_template is not None:
@@ -272,15 +273,10 @@ def merge_requirement_assignment(context, relationship_property_definitions,
         requirement._raw['node_filter'] = deepcopy_with_locators(our_node_filter._raw)
 
     our_relationship = our_requirement.relationship # RelationshipAssignment
-    if our_relationship is not None:
+    if (our_relationship is not None) and (our_relationship.type is None):
         # Make sure we have a dict
         if 'relationship' not in requirement._raw:
             requirement._raw['relationship'] = OrderedDict()
-        elif not isinstance(requirement._raw['relationship'], dict):
-            # Convert existing short form to long form
-            the_type = requirement._raw['relationship']
-            requirement._raw['relationship'] = OrderedDict()
-            requirement._raw['relationship']['type'] = deepcopy_with_locators(the_type)
 
         merge_requirement_assignment_relationship(context, our_relationship,
                                                   relationship_property_definitions,
@@ -289,11 +285,6 @@ def merge_requirement_assignment(context, relationship_property_definitions,
 
 def merge_requirement_assignment_relationship(context, presentation, property_definitions,
                                               interface_definitions, requirement, our_relationship):
-    the_type = our_relationship.type
-    if the_type is not None:
-        # Could be a type or a template:
-        requirement._raw['relationship']['type'] = deepcopy_with_locators(the_type)
-
     our_relationship_properties = our_relationship._raw.get('properties')
     if our_relationship_properties:
         # Make sure we have a dict
@@ -310,7 +301,7 @@ def merge_requirement_assignment_relationship(context, presentation, property_de
                 context.validation.report(
                     'relationship property "%s" not declared at definition of requirement "%s"'
                     ' in "%s"'
-                    % (property_name, presentation._fullname,
+                    % (property_name, requirement._fullname,
                        presentation._container._container._fullname),
                     locator=our_relationship._get_child_locator('properties', property_name),
                     level=Issue.BETWEEN_TYPES)
@@ -333,9 +324,9 @@ def merge_requirement_assignment_relationship(context, presentation, property_de
                                 interface_definition, interface_name)
             else:
                 context.validation.report(
-                    'interface definition "%s" not declared at definition of requirement "%s"'
+                    'relationship interface "%s" not declared at definition of requirement "%s"'
                     ' in "%s"'
-                    % (interface_name, presentation._fullname,
+                    % (interface_name, requirement._fullname,
                        presentation._container._container._fullname),
                     locator=our_relationship._locator, level=Issue.BETWEEN_TYPES)
 

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/simple_v1_0/presentation/field_validators.py
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/simple_v1_0/presentation/field_validators.py b/extensions/aria_extension_tosca/simple_v1_0/presentation/field_validators.py
index f1b0a20..6ff4384 100644
--- a/extensions/aria_extension_tosca/simple_v1_0/presentation/field_validators.py
+++ b/extensions/aria_extension_tosca/simple_v1_0/presentation/field_validators.py
@@ -332,8 +332,8 @@ def node_template_or_type_validator(field, presentation, context):
         node_templates = \
             context.presentation.get('service_template', 'topology_template', 'node_templates') \
             or {}
-        node_types = context.presentation.get('service_template', 'node_types') or {}
-        if (value not in node_templates) and (value not in node_types):
+        if (value not in node_templates) and \
+            (get_type_by_full_or_shorthand_name(context, value, 'node_types') is None):
             report_issue_for_unknown_type(context, presentation, 'node template or node type',
                                           field.name)
 
@@ -358,8 +358,7 @@ def capability_definition_or_type_validator(field, presentation, context):
             if value in capabilities:
                 return
 
-        capability_types = context.presentation.get('service_template', 'capability_types')
-        if (capability_types is not None) and (value in capability_types):
+        if get_type_by_full_or_shorthand_name(context, value, 'capability_types') is not None:
             if node is not None:
                 context.validation.report(
                     '"%s" refers to a capability type even though "node" has a value in "%s"'
@@ -419,9 +418,8 @@ def relationship_template_or_type_validator(field, presentation, context):
             context.presentation.get('service_template', 'topology_template',
                                      'relationship_templates') \
             or {}
-        relationship_types = \
-            context.presentation.get('service_template', 'relationship_types') or {}
-        if (value not in relationship_templates) and (value not in relationship_types):
+        if (value not in relationship_templates) and \
+            (get_type_by_full_or_shorthand_name(context, value, 'relationship_types') is None):
             report_issue_for_unknown_type(context, presentation,
                                           'relationship template or relationship type', field.name)
 
@@ -442,9 +440,9 @@ def list_node_type_or_group_type_validator(field, presentation, context):
     values = getattr(presentation, field.name)
     if values is not None:
         for value in values:
-            node_types = context.presentation.get('service_template', 'node_types') or {}
-            group_types = context.presentation.get('service_template', 'group_types') or {}
-            if (value not in node_types) and (value not in group_types):
+            if \
+                (get_type_by_full_or_shorthand_name(context, value, 'node_types') is None) and \
+                (get_type_by_full_or_shorthand_name(context, value, 'group_types') is None):
                 report_issue_for_unknown_type(context, presentation, 'node type or group type',
                                               field.name, value)
 

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/end2end/test_parser.py
----------------------------------------------------------------------
diff --git a/tests/end2end/test_parser.py b/tests/end2end/test_parser.py
deleted file mode 100644
index 7c243ab..0000000
--- a/tests/end2end/test_parser.py
+++ /dev/null
@@ -1,40 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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 tests.parser.service_templates import consume_node_cellar
-
-
-def test_validation():
-    consume_node_cellar('validate')
-
-
-def test_validation_no_cache():
-    consume_node_cellar('validate', False)
-
-
-def test_presentation():
-    consume_node_cellar('presentation')
-
-
-def test_model():
-    consume_node_cellar('model')
-
-
-def test_types():
-    consume_node_cellar('types')
-
-
-def test_instance():
-    consume_node_cellar('instance')

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/end2end/test_tosca_simple_v1_0.py
----------------------------------------------------------------------
diff --git a/tests/end2end/test_tosca_simple_v1_0.py b/tests/end2end/test_tosca_simple_v1_0.py
new file mode 100644
index 0000000..f2a41ce
--- /dev/null
+++ b/tests/end2end/test_tosca_simple_v1_0.py
@@ -0,0 +1,112 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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 tests.parser.service_templates import (consume_use_case, consume_node_cellar)
+
+
+# Use Cases
+
+def test_use_case_compute_1():
+    consume_use_case('compute-1', 'instance')
+
+
+def test_use_case_software_component_1():
+    consume_use_case('software-component-1', 'instance')
+
+
+def test_use_case_block_storage_1():
+    consume_use_case('block-storage-1', 'instance')
+
+
+def test_use_case_block_storage_2():
+    consume_use_case('block-storage-2', 'instance')
+
+
+def test_use_case_block_storage_3():
+    consume_use_case('block-storage-3', 'instance')
+
+
+def test_use_case_block_storage_4():
+    consume_use_case('block-storage-4', 'instance')
+
+
+def test_use_case_block_storage_5():
+    consume_use_case('block-storage-5', 'instance')
+
+
+def test_use_case_block_storage_6():
+    consume_use_case('block-storage-6', 'instance')
+
+
+def test_use_case_object_storage_1():
+    consume_use_case('object-storage-1', 'instance')
+
+
+def test_use_case_network_1():
+    consume_use_case('network-1', 'instance')
+
+
+def test_use_case_network_2():
+    consume_use_case('network-2', 'instance')
+
+
+def test_use_case_network_3():
+    consume_use_case('network-3', 'instance')
+
+
+def test_use_case_network_4():
+    consume_use_case('network-4', 'instance')
+
+
+def test_use_case_webserver_dbms_1():
+    consume_use_case('webserver-dbms-1', 'model')
+
+
+def test_use_case_webserver_dbms_2():
+    consume_use_case('webserver-dbms-2', 'instance')
+
+
+def test_use_case_multi_tier_1():
+    consume_use_case('multi-tier-1', 'instance')
+
+
+def test_use_case_container_1():
+    consume_use_case('container-1', 'model')
+
+
+# NodeCellar
+
+def test_node_cellar_validation():
+    consume_node_cellar('validate')
+
+
+def test_node_cellar_validation_no_cache():
+    consume_node_cellar('validate', False)
+
+
+def test_node_cellar_presentation():
+    consume_node_cellar('presentation')
+
+
+def test_node_cellar_model():
+    consume_node_cellar('model')
+
+
+def test_node_cellar_types():
+    consume_node_cellar('types')
+
+
+def test_node_cellar_instance():
+    consume_node_cellar('instance')

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/parser/service_templates.py
----------------------------------------------------------------------
diff --git a/tests/parser/service_templates.py b/tests/parser/service_templates.py
index 8c361e6..103026a 100644
--- a/tests/parser/service_templates.py
+++ b/tests/parser/service_templates.py
@@ -15,14 +15,28 @@
 
 from aria.utils.caching import cachedmethod
 
-from .utils import (get_uri, create_context, create_consumer)
+from .utils import (get_example_uri, get_test_uri, create_context, create_consumer)
+
+
+def consume_use_case(use_case_name, consumer_class_name='instance', cache=True):
+    cachedmethod.ENABLED = cache
+    uri = get_example_uri('tosca-simple-1.0', 'use-cases', use_case_name,
+                          '{}.yaml'.format(use_case_name))
+    context = create_context(uri)
+    #context.args.append('--inputs=' + get_example_uri('node-cellar', 'inputs.yaml'))
+    consumer, dumper = create_consumer(context, consumer_class_name)
+    consumer.consume()
+    context.validation.dump_issues()
+    assert not context.validation.has_issues
+    return context, dumper
 
 
 def consume_node_cellar(consumer_class_name='instance', cache=True):
     cachedmethod.ENABLED = cache
-    uri = get_uri('node-cellar', 'node-cellar.yaml')
+    uri = get_test_uri('tosca-simple-1.0', 'node-cellar', 'node-cellar.yaml')
     context = create_context(uri)
-    context.args.append('--inputs=' + get_uri('node-cellar', 'inputs.yaml'))
+    context.args.append('--inputs=' + get_test_uri('tosca-simple-1.0', 'node-cellar',
+                                                   'inputs.yaml'))
     consumer, dumper = create_consumer(context, consumer_class_name)
     consumer.consume()
     context.validation.dump_issues()

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/parser/utils.py
----------------------------------------------------------------------
diff --git a/tests/parser/utils.py b/tests/parser/utils.py
index e55e6e5..994aac6 100644
--- a/tests/parser/utils.py
+++ b/tests/parser/utils.py
@@ -28,13 +28,18 @@ from aria.parser.consumption import (
 )
 from aria.utils.imports import import_fullname
 
+from tests import ROOT_DIR
 from tests.resources import DIR
 
 
-SERVICE_TEMPLATES_DIR = os.path.join(DIR, 'service_templates')
+SERVICE_TEMPLATES_DIR = os.path.join(DIR, 'service-templates')
 
 
-def get_uri(*args):
+def get_example_uri(*args):
+    return os.path.join(ROOT_DIR, 'examples', *args)
+
+
+def get_test_uri(*args):
     return os.path.join(SERVICE_TEMPLATES_DIR, *args)
 
 

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service-templates/tosca-simple-1.0/node-cellar/inputs.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service-templates/tosca-simple-1.0/node-cellar/inputs.yaml b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/inputs.yaml
new file mode 100644
index 0000000..37ab9ea
--- /dev/null
+++ b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/inputs.yaml
@@ -0,0 +1,3 @@
+openstack_credential:
+    user: username
+    token: password

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service-templates/tosca-simple-1.0/node-cellar/node-cellar.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service-templates/tosca-simple-1.0/node-cellar/node-cellar.yaml b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/node-cellar.yaml
new file mode 100644
index 0000000..3afcf5f
--- /dev/null
+++ b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/node-cellar.yaml
@@ -0,0 +1,299 @@
+#
+# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
+# 
+# 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.
+#
+
+# NFV is not used here, but we are using it just to validate the imports
+tosca_definitions_version: tosca_simple_profile_for_nfv_1_0
+#tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  Node Cellar TOSCA blueprint.
+  Here is some Unicode: \u4e2d\u570b.
+
+metadata:
+  template_name: node-cellar
+  template_author: ARIA
+  template_version: '1.0.0'
+  aria_version: '0.0'
+
+imports:
+  - types/openstack.yaml
+  - types/nodejs.yaml
+  - types/mongodb.yaml
+  - types/nginx.yaml
+  - types/aria.yaml
+
+dsl_definitions:
+
+  default_openstack_credential: &DEFAULT_OPENSTACK_CREDENTIAL
+    user: openstackadmin
+    token: { concat: [ openstack, 123 ] }
+
+repositories:
+
+  node_cellar:
+    description: >-
+      The repository for the Node Cellar application and its dependencies.
+    url: https://github.com/ccoenraets/nodecellar/archive/
+    credential:
+      user: guest
+      token: ''
+
+interface_types:
+
+  Maintenance:
+    derived_from: tosca.interfaces.Root
+    enable: {}
+    disable: {}
+
+node_types:
+
+  NodeMongoApplication:
+    derived_from: nodejs.Application
+    interfaces:
+      Maintenance:
+        type: Maintenance
+    requirements:
+      - database:
+          capability: tosca.capabilities.Endpoint.Database
+          node: mongodb.Database
+
+topology_template:
+
+  inputs:
+    openstack_credential:
+      type: openstack.Credential
+      value: *DEFAULT_OPENSTACK_CREDENTIAL
+
+  node_templates:
+  
+    # Application
+
+    node_cellar:
+      description: >-
+        Node Cellar Node.js web application.
+      type: NodeMongoApplication
+      artifacts:
+        node_cellar:
+          description: >-
+            The Node Cellar application package.
+          type: os.Archive
+          file: master.zip
+          repository: node_cellar
+          deploy_path: /opt/nodejs/applications/node-cellar
+          properties:
+            unpack_credential:
+              user: gigaspaces
+              token: { get_property: [ SELF, app_endpoint, protocol ] }
+              #token: { get_property: [ HOST, flavor_name ] }
+      interfaces:
+        Maintenance:
+          enable: juju > charm.maintenance_on
+          disable: juju > charm.maintenance_off
+      requirements:
+        - database: node_cellar_database
+      capabilities:
+        app_endpoint:
+          properties:
+            protocol: udp
+            url_path: /nodecellar
+    
+    node_cellar_database:
+      description: >-
+        Node Cellar MongoDB database.
+      type: mongodb.Database
+      properties:
+        name: node_cellar
+      artifacts:
+        initial:
+          description: >-
+            The Node Cellar initial database.
+          type: mongodb.DatabaseDump
+          file: node-cellar.json
+          repository: node_cellar
+
+    # Server software
+    
+    nodejs:
+      description: >-
+        Node.js instance.
+      type: nodejs.Server
+      requirements:
+        - host: application_host
+      node_filter: # cannot be validated
+        properties:
+          #- flavor_name: { valid_values: [ {concat:[m1,.,small]} ] } # won't work because not validated :/
+          - flavor_name: { valid_values: [ m1.small ] }
+        capabilities:
+          - scalable:
+              properties:
+                - max_instances: { greater_or_equal: 8 }
+
+    mongodb:
+      description: >-
+        MongoDB instance.
+      type: mongodb.Server
+      requirements:
+        - host:
+            node: openstack.Instance
+            node_filter:
+              properties:
+                - flavor_name: { valid_values: [ m1.medium, { concat: [ { concat: [ m1, . ] }, large ] } ] }
+                #- flavor_name: { valid_values: [ m1.medium, m1.large ] }
+              capabilities:
+                - scalable:
+                    properties:
+                      - max_instances: { greater_or_equal: 8 }
+    
+    loadbalancer:
+      type: nginx.LoadBalancer
+      properties:
+        algorithm: round-robin      
+      requirements:
+        - host: loadbalancer_host
+    
+    # Hosts
+
+    loadbalancer_host:
+      description: >-
+        Host for the loadbalancer.
+      type: openstack.Instance
+      properties:
+        flavor_name: m1.small
+        os_users: # map of os.UserInfo
+          root:
+            password: admin123
+      interfaces:
+        Standard:
+          inputs:
+            openstack_credential: { get_input: openstack_credential }
+          configure: juju > charm.loadbalancer
+
+    application_host:
+      copy: loadbalancer_host
+      description: >-
+        Host for applications.
+      properties:
+        flavor_name: m1.small
+        os_users: # map of os.UserInfo
+          nodejs:
+            password: nodejs123
+            groups:
+              - www-data
+      capabilities:
+        scalable:
+          properties:
+            max_instances: 10
+
+    data_host:
+      copy: loadbalancer_host
+      description: >-
+        Host for data.
+      properties:
+        flavor_name: m1.large
+        flavor_id: 5d62e82c-924e-4fa9-b1e4-c133867596f7
+        os_users: # map of os.UserInfo
+          mongodb:
+            password: mongo123
+      requirements:
+        - local_storage:
+            node: data_volume
+            relationship:
+              properties:
+                location: /mnt/volume
+      capabilities:
+        scalable:
+          properties:
+            max_instances: 10
+
+    data_volume:
+      type: openstack.Volume
+      properties:
+        size: 10 GB
+      interfaces:
+        Standard:
+          inputs:
+            openstack_credential: { get_input: openstack_credential }
+
+  groups:
+  
+    node_cellar_group:
+      type: openstack.Secured
+      members:
+        - loadbalancer
+        - application_host
+        - data_host
+      interfaces:
+        Standard:
+          inputs:
+            openstack_credential: { get_input: openstack_credential }
+
+  policies:
+  
+    scaling:
+      type: openstack.Scaling
+      properties:
+        bandwidth_threshold: 2 GB
+      targets: # node templates or groups
+        - node_cellar_group
+    
+    juju:
+      description: >-
+        Juju plugin executes charms.
+      type: aria.Plugin
+      properties:
+        executor: host_agent
+        install: false
+    
+    maintenance_on:
+      type: MaintenanceWorkflow
+      properties:
+        enabled: true
+
+    maintenance_off:
+      type: MaintenanceWorkflow
+      properties:
+        enabled: false
+
+  substitution_mappings:
+
+    node_type: tosca.nodes.WebApplication
+    requirements:
+      host: [ node_cellar, host ] # doesn't really make sense; just for testing
+    capabilities:
+      app_endpoint: [ loadbalancer, client ]
+
+policy_types:
+
+  MaintenanceWorkflow:
+    description: >-
+      Workflow to put all nodes in/out of maintenance mode. For web servers, this will show a "this
+      site is under maintenance and we'll be back soon" web page. Database nodes will then close all
+      client connections cleanly and shut down services. 
+    derived_from: aria.Workflow
+    properties:
+      function: # @override
+        type: string
+        default: workflows.maintenance
+      implementation:
+        type: string
+        default: tests/resources/service-templates/tosca-simple-1.0/node-cellar
+      enabled:
+        description: >-
+          Whether to turn maintenance mode on or off.
+        type: boolean
+      #ctx:
+      #  type: string
+      #  default: abc

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/aria.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/aria.yaml b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/aria.yaml
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index 0000000..2ddb238
--- /dev/null
+++ b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/aria.yaml
@@ -0,0 +1,93 @@
+
+policy_types:
+
+  aria.Plugin:
+    _extensions:
+      role: plugin
+    description: >-
+      ARIA Plugin definition.
+    derived_from: tosca.policies.Root
+    properties:
+      executor:
+        description: >-
+          Where to execute the plugin's operations.
+        type: string
+        constraints:
+          - valid_values: [ central_deployment_agent, host_agent ]
+      source:
+        description: >-
+          Where to execute the plugin's operations. Where to retrieve the plugin from. Could be
+          either a path relative to the plugins dir inside the blueprint's root dir or a url. If
+          install is false, source is redundant. If install is true, source (or package_name) is
+          mandatory.
+        type: string
+        required: false
+      install_arguments:
+        description: >-
+          Optional arguments passed to the 'pip install' command created for the plugin
+          installation.
+        type: string
+        required: false
+      install:
+        description: >-
+          Whether to install the plugin or not as it might already be installed as part of the
+          agent.
+        type: boolean
+        default: true
+      package_name:
+        description: >-
+          Managed plugin package name. If install is false, package_name is redundant. If install is
+          true, package_name (or source) is mandatory.
+        type: string
+        required: false
+      package_version:
+        description: >-
+          Managed plugin package version.
+        type: string
+        required: false
+      supported_platform:
+        description: >-
+          Managed plugin supported platform (e.g. linux_x86_64).
+        type: string
+        required: false
+      supported_distribution:
+        description: >-
+          Managed plugin distribution.
+        type: string
+        required: false
+      distribution_version:
+        description: >-
+          Managed plugin distribution version.
+        type: string
+        required: false
+      distribution_release:
+        description: >-
+          Managed plugin distribution release.
+        type: string
+        required: false
+
+  aria.Workflow:
+    _extensions:
+      role: workflow
+    description: >-
+      ARIA Workflow definition.
+    derived_from: tosca.policies.Root
+    properties:
+      function:
+        description: >-
+          Python workflow function.
+        type: string
+      implementation:
+        description: >-
+          The implementation artifact name (i.e., the primary script file name within a TOSCA CSAR
+          file).
+        type: string
+        required: false
+      dependencies:
+        description: >-
+          The optional ordered list of one or more dependent or secondary implementation artifact
+          name which are referenced by the primary implementation artifact (e.g., a library the
+          script installs or a secondary script).
+        type: list
+        entry_schema: string
+        required: false

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/mongodb.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/mongodb.yaml b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/mongodb.yaml
new file mode 100644
index 0000000..612dbcb
--- /dev/null
+++ b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/mongodb.yaml
@@ -0,0 +1,73 @@
+#
+# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
+# 
+# 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.
+#
+
+imports:
+  - os.yaml
+
+node_types:
+
+  mongodb.Server:
+    description: >-
+      MongoDB server application.
+    derived_from: tosca.nodes.DBMS
+    properties:
+      root_password: # @override
+        type: string
+        default: admin
+      port: # @override
+        type: integer
+        default: 27017
+    artifacts:
+      mongodb:
+        description: >-
+          MongoDB application package.
+        type: os.Archive
+        file: https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu1604-3.2.8.tgz
+        deploy_path: /opt/mongodb
+    capabilities:
+      host: # @override
+        type: tosca.capabilities.Container
+        valid_source_types: [ mongodb.Database ]
+
+  mongodb.Database:
+    description: >-
+      MongoDB database.
+      
+      Supports importing database data if a mongodb.DatabaseDump is provided.
+    derived_from: tosca.nodes.Database
+    interfaces:
+      Standard:
+        type: tosca.interfaces.node.lifecycle.Standard
+        create:
+          implementation:
+            primary: mongodb/create_and_import_database.sh
+            dependencies:
+              - mongodb/utils/api.sh
+              - utils/os.sh
+    requirements:
+      - host: # @override
+          capability: tosca.capabilities.Container
+          node: mongodb.Server
+          relationship: tosca.relationships.HostedOn
+
+artifact_types:
+
+  mongodb.DatabaseDump:
+    description: >-
+      Dump of a MongoDB database.
+    derived_from: tosca.artifacts.Root
+    file_ext:
+      - json

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/nginx.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/nginx.yaml b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/nginx.yaml
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index 0000000..8986a21
--- /dev/null
+++ b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/nginx.yaml
@@ -0,0 +1,27 @@
+#
+# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
+# 
+# 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.
+#
+
+node_types:
+
+  nginx.LoadBalancer:
+    description: >-
+      Nginx as a loadbalancer.
+    derived_from: tosca.nodes.LoadBalancer
+    requirements:
+      - host:
+          capability: tosca.capabilities.Container
+          node: tosca.nodes.Compute
+          relationship: tosca.relationships.HostedOn

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/nodejs.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/nodejs.yaml b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/nodejs.yaml
new file mode 100644
index 0000000..ec8dd83
--- /dev/null
+++ b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/nodejs.yaml
@@ -0,0 +1,69 @@
+#
+# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
+# 
+# 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.
+#
+
+imports:
+  - os.yaml
+
+node_types:
+
+  nodejs.Server:
+    description: >-
+      Node.js server application.
+    derived_from: tosca.nodes.WebServer
+    artifacts:
+      nodejs:
+        description: >-
+          Node.js application package.
+        type: os.Archive
+        file: https://nodejs.org/dist/v4.4.7/node-v4.4.7-linux-x64.tar.xz
+        deploy_path: /opt/nodejs
+    capabilities:
+      data_endpoint: # @override 
+        type: tosca.capabilities.Endpoint
+        properties:
+          port:
+            type: tosca.datatypes.network.PortDef
+            default: 8080
+          url_path:
+            type: string
+            default: /
+      admin_endpoint: # @override
+        type: tosca.capabilities.Endpoint.Admin
+        properties:
+          port:
+            type: tosca.datatypes.network.PortDef
+            default: 8080
+          url_path:
+            type: string
+            default: /admin
+      host: # @override
+        type: tosca.capabilities.Container
+        valid_source_types: [ nodejs.Application ]
+
+  nodejs.Application:
+    derived_from: tosca.nodes.WebApplication
+    capabilities:
+      app_endpoint: # @override
+        type: tosca.capabilities.Endpoint
+        properties:
+          port:
+            type: tosca.datatypes.network.PortDef
+            default: 8080
+    requirements:
+      - host: # @override
+          capability: tosca.capabilities.Container
+          node: nodejs.Server
+          relationship: tosca.relationships.HostedOn

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/openstack.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/openstack.yaml b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/openstack.yaml
new file mode 100644
index 0000000..a18da53
--- /dev/null
+++ b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/openstack.yaml
@@ -0,0 +1,201 @@
+#
+# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
+# 
+# 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.
+#
+
+imports:
+  - os.yaml
+
+dsl_definitions:
+
+  openstack:
+    uuid_constraints: &OPENSTACK_UUID_CONSTRAINTS
+      - pattern: '^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$'
+
+node_types:
+
+  openstack.Instance:
+    description: >-
+      OpenStack instance.
+
+      You may assign an image_id or attach an openstack.Image artifact (the artifact
+      will take precedence).
+    
+      You may assign either flavor_id or flavor_name (flavor_id will take precedence).
+      If neither are assigned, flavor_name has a default value.
+    derived_from: tosca.nodes.Compute
+    properties:
+      image_id:
+        description: >-
+          See: https://s3itwiki.uzh.ch/display/clouddoc/Supported+Images
+        type: openstack.UUID
+        default: 5d62e82c-924e-4fa9-b1e4-c133867596f7
+      flavor_id:
+        type: openstack.UUID
+        required: false
+      flavor_name:
+        type: string
+        default: m1.medium
+        required: false
+      availability_zone:
+        description: >-
+          OpenStack availability zone.
+        type: string
+        required: false
+      os_users:
+        type: map
+        entry_schema: os.UserInfo
+    interfaces:
+      Standard:
+        type: tosca.interfaces.node.lifecycle.Standard
+        inputs:
+          openstack_credential:
+            description: The OpenStack API credential for all operations.
+            type: openstack.Credential
+        create:
+          implementation:
+            primary: openstack/create_instance.sh
+            dependencies:
+              - openstack/utils/api.sh
+              - utils/os.sh
+    requirements:
+      - local_storage: # @override
+          capability: tosca.capabilities.Attachment
+          node: openstack.Volume
+          relationship: tosca.relationships.AttachesTo
+#          relationship:
+#            type: tosca.relationships.AttachesTo
+#            interfaces:
+#              Standard:
+#                inputs:
+#                  xxx:
+#                    type: string
+#                    default: { concat: [ a, b ] }
+          occurrences: [ 0, UNBOUNDED ]
+
+  openstack.Volume:
+    description: >-
+      OpenStack volume.
+      
+      See: http://developer.openstack.org/api-ref-blockstorage-v2.html
+    derived_from: tosca.nodes.BlockStorage
+    properties:
+      tenant_id:
+        type: openstack.UUID
+        required: false
+      availability_zone:
+        type: string
+        required: false
+      source_volid:
+        type: openstack.UUID
+        required: false
+      description:
+        type: string
+        required: false
+      multiattach:
+        type: boolean
+        default: false
+      #snapshot_id: # @override
+      #  type: openstack.UUID
+      #  required: false
+      name:
+        type: string
+        required: false
+      volume_type:
+        type: string
+        required: false
+      metadata:
+        type: map
+        entry_schema: string
+        required: false
+      source_replica:
+        type: openstack.UUID
+        required: false
+      consistencygroup_id:
+        type: openstack.UUID
+        required: false
+      scheduler_hints:
+        type: map
+        entry_schema: string
+        required: false
+    interfaces:
+      Standard:
+        type: tosca.interfaces.node.lifecycle.Standard
+        inputs:
+          openstack_credential:
+            description: The OpenStack API credential for all operations.
+            type: openstack.Credential
+        create:
+          implementation:
+            primary: openstack/create_volume.sh
+            dependencies:
+              - openstack/utils/api.sh
+              - utils/os.sh
+
+group_types:
+
+  openstack.Secured:
+    description: >-
+      OpenStack secured group.
+    derived_from: tosca.groups.Root
+    members:
+      - openstack.Instance
+    interfaces:
+      Standard:
+        type: tosca.interfaces.node.lifecycle.Standard
+        inputs:
+          openstack_credential:
+            description: The OpenStack API credential for all operations.
+            type: openstack.Credential
+        create:
+          implementation:
+            primary: openstack/create_secured_group.sh
+            dependencies:
+              - openstack/utils/api.sh
+              - utils/os.sh
+
+policy_types:
+
+  openstack.Scaling:
+    description: >-
+      OpenStack scaling policy.
+    derived_from: tosca.policies.Scaling
+    properties:
+      bandwidth_threshold:
+        type: scalar-unit.size
+        default: 1 GB
+    targets:
+      - openstack.Instance
+      - openstack.Secured
+
+data_types:
+
+  openstack.Credential:
+    derived_from: tosca.datatypes.Credential
+
+  openstack.UUID:
+    description: >-
+      OpenStack UUID (in GUID format).
+    derived_from: string
+    constraints: *OPENSTACK_UUID_CONSTRAINTS
+
+artifact_types:
+
+  openstack.Image:
+    description: >-
+      OpenStack image artifact.
+    derived_from: tosca.artifacts.Deployment.Image.VM
+    file_ext:
+      - img
+      - iso

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/os.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/os.yaml b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/os.yaml
new file mode 100644
index 0000000..43ea78c
--- /dev/null
+++ b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/types/os.yaml
@@ -0,0 +1,75 @@
+#
+# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
+# 
+# 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.
+#
+
+dsl_definitions:
+
+  os:
+    user_and_group_name_constraints: &OS_USER_AND_GROUP_NAME_CONSTRAINTS
+      - pattern: '^[a-z0-9_-]{3,16}$'
+    password_constraints: &OS_PASSWORD_CONSTRAINTS
+      - pattern: '^[a-z0-9_-]{6,18}$'
+
+artifact_types:
+
+  os.Package:
+    description: >-
+      Generic application package.
+    derived_from: tosca.artifacts.Root
+
+  os.Archive:
+    description: >-
+      Application package in an archive.
+    derived_from: os.Package
+    file_ext:
+      - zip
+      - tar
+      - tar.gz
+      - tar.xz
+    properties:
+      unpack_credential:
+        type: tosca.datatypes.Credential
+        required: false
+
+  os.Deb:
+    description: >-
+      Debian application package.
+    derived_from: os.Package
+    file_ext:
+      - deb
+
+  os.RPM:
+    description: >-
+      RPM application package.
+    derived_from: os.Package
+    file_ext:
+      - rpm
+
+data_types:
+
+  os.UserInfo:
+    description: >-
+      Information about an operating system user.
+    derived_from: tosca.datatypes.Root
+    properties:
+      password:
+        type: string
+        constraints: *OS_PASSWORD_CONSTRAINTS
+      groups:
+        type: list
+        entry_schema:
+          type: string
+          constraints: *OS_USER_AND_GROUP_NAME_CONSTRAINTS
+        required: false

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service-templates/tosca-simple-1.0/node-cellar/workflows.py
----------------------------------------------------------------------
diff --git a/tests/resources/service-templates/tosca-simple-1.0/node-cellar/workflows.py b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/workflows.py
new file mode 100644
index 0000000..fff78bf
--- /dev/null
+++ b/tests/resources/service-templates/tosca-simple-1.0/node-cellar/workflows.py
@@ -0,0 +1,16 @@
+
+from aria import workflow
+from aria.orchestrator.workflows.api.task import OperationTask
+
+
+@workflow
+def maintenance(ctx, graph, enabled):
+    """
+    Custom workflow to call the operations on the Maintenance interface.
+    """
+
+    operation = 'Maintenance.enable' if enabled else 'Maintenance.disable'
+
+    for node in ctx.model.node.iter():
+        for interface in node.interfaces.filter_by(name='Maintenance', type_name='Maintenance'):
+            graph.add_tasks(OperationTask.node(instance=node, name=operation))

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service_templates/node-cellar/inputs.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service_templates/node-cellar/inputs.yaml b/tests/resources/service_templates/node-cellar/inputs.yaml
deleted file mode 100644
index 37ab9ea..0000000
--- a/tests/resources/service_templates/node-cellar/inputs.yaml
+++ /dev/null
@@ -1,3 +0,0 @@
-openstack_credential:
-    user: username
-    token: password

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service_templates/node-cellar/node-cellar.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service_templates/node-cellar/node-cellar.yaml b/tests/resources/service_templates/node-cellar/node-cellar.yaml
deleted file mode 100644
index 3e579bd..0000000
--- a/tests/resources/service_templates/node-cellar/node-cellar.yaml
+++ /dev/null
@@ -1,299 +0,0 @@
-#
-# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
-# 
-# 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.
-#
-
-# NFV is not used here, but we are using it just to validate the imports
-tosca_definitions_version: tosca_simple_profile_for_nfv_1_0
-#tosca_definitions_version: tosca_simple_yaml_1_0
-
-description: >-
-  Node Cellar TOSCA blueprint.
-  Here is some Unicode: \u4e2d\u570b.
-
-metadata:
-  template_name: node-cellar
-  template_author: ARIA
-  template_version: '1.0.0'
-  aria_version: '0.0'
-
-imports:
-  - types/openstack.yaml
-  - types/nodejs.yaml
-  - types/mongodb.yaml
-  - types/nginx.yaml
-  - types/aria.yaml
-
-dsl_definitions:
-
-  default_openstack_credential: &DEFAULT_OPENSTACK_CREDENTIAL
-    user: openstackadmin
-    token: { concat: [ openstack, 123 ] }
-
-repositories:
-
-  node_cellar:
-    description: >-
-      The repository for the Node Cellar application and its dependencies.
-    url: https://github.com/ccoenraets/nodecellar/archive/
-    credential:
-      user: guest
-      token: ''
-
-interface_types:
-
-  Maintenance:
-    derived_from: tosca.interfaces.Root
-    enable: {}
-    disable: {}
-
-node_types:
-
-  NodeMongoApplication:
-    derived_from: nodejs.Application
-    interfaces:
-      Maintenance:
-        type: Maintenance
-    requirements:
-      - database:
-          capability: tosca.capabilities.Endpoint.Database
-          node: mongodb.Database
-
-topology_template:
-
-  inputs:
-    openstack_credential:
-      type: openstack.Credential
-      value: *DEFAULT_OPENSTACK_CREDENTIAL
-
-  node_templates:
-  
-    # Application
-
-    node_cellar:
-      description: >-
-        Node Cellar Node.js web application.
-      type: NodeMongoApplication
-      artifacts:
-        node_cellar:
-          description: >-
-            The Node Cellar application package.
-          type: os.Archive
-          file: master.zip
-          repository: node_cellar
-          deploy_path: /opt/nodejs/applications/node-cellar
-          properties:
-            unpack_credential:
-              user: gigaspaces
-              token: { get_property: [ SELF, app_endpoint, protocol ] }
-              #token: { get_property: [ HOST, flavor_name ] }
-      interfaces:
-        Maintenance:
-          enable: juju > charm.maintenance_on
-          disable: juju > charm.maintenance_off
-      requirements:
-        - database: node_cellar_database
-      capabilities:
-        app_endpoint:
-          properties:
-            protocol: udp
-            url_path: /nodecellar
-    
-    node_cellar_database:
-      description: >-
-        Node Cellar MongoDB database.
-      type: mongodb.Database
-      properties:
-        name: node_cellar
-      artifacts:
-        initial:
-          description: >-
-            The Node Cellar initial database.
-          type: mongodb.DatabaseDump
-          file: node-cellar.json
-          repository: node_cellar
-
-    # Server software
-    
-    nodejs:
-      description: >-
-        Node.js instance.
-      type: nodejs.Server
-      requirements:
-        - host: application_host
-      node_filter: # cannot be validated
-        properties:
-          #- flavor_name: { valid_values: [ {concat:[m1,.,small]} ] } # won't work because not validated :/
-          - flavor_name: { valid_values: [ m1.small ] }
-        capabilities:
-          - scalable:
-              properties:
-                - max_instances: { greater_or_equal: 8 }
-
-    mongodb:
-      description: >-
-        MongoDB instance.
-      type: mongodb.Server
-      requirements:
-        - host:
-            node: openstack.Instance
-            node_filter:
-              properties:
-                - flavor_name: { valid_values: [ m1.medium, { concat: [ { concat: [ m1, . ] }, large ] } ] }
-                #- flavor_name: { valid_values: [ m1.medium, m1.large ] }
-              capabilities:
-                - scalable:
-                    properties:
-                      - max_instances: { greater_or_equal: 8 }
-    
-    loadbalancer:
-      type: nginx.LoadBalancer
-      properties:
-        algorithm: round-robin      
-      requirements:
-        - host: loadbalancer_host
-    
-    # Hosts
-
-    loadbalancer_host:
-      description: >-
-        Host for the loadbalancer.
-      type: openstack.Instance
-      properties:
-        flavor_name: m1.small
-        os_users: # map of os.UserInfo
-          root:
-            password: admin123
-      interfaces:
-        Standard:
-          inputs:
-            openstack_credential: { get_input: openstack_credential }
-          configure: juju > charm.loadbalancer
-
-    application_host:
-      copy: loadbalancer_host
-      description: >-
-        Host for applications.
-      properties:
-        flavor_name: m1.small
-        os_users: # map of os.UserInfo
-          nodejs:
-            password: nodejs123
-            groups:
-              - www-data
-      capabilities:
-        scalable:
-          properties:
-            max_instances: 10
-
-    data_host:
-      copy: loadbalancer_host
-      description: >-
-        Host for data.
-      properties:
-        flavor_name: m1.large
-        flavor_id: 5d62e82c-924e-4fa9-b1e4-c133867596f7
-        os_users: # map of os.UserInfo
-          mongodb:
-            password: mongo123
-      requirements:
-        - local_storage:
-            node: data_volume
-            relationship:
-              properties:
-                location: /mnt/volume
-      capabilities:
-        scalable:
-          properties:
-            max_instances: 10
-
-    data_volume:
-      type: openstack.Volume
-      properties:
-        size: 10 GB
-      interfaces:
-        Standard:
-          inputs:
-            openstack_credential: { get_input: openstack_credential }
-
-  groups:
-  
-    node_cellar_group:
-      type: openstack.Secured
-      members:
-        - loadbalancer
-        - application_host
-        - data_host
-      interfaces:
-        Standard:
-          inputs:
-            openstack_credential: { get_input: openstack_credential }
-
-  policies:
-  
-    scaling:
-      type: openstack.Scaling
-      properties:
-        bandwidth_threshold: 2 GB
-      targets: # node templates or groups
-        - node_cellar_group
-    
-    juju:
-      description: >-
-        Juju plugin executes charms.
-      type: aria.Plugin
-      properties:
-        executor: host_agent
-        install: false
-    
-    maintenance_on:
-      type: MaintenanceWorkflow
-      properties:
-        enabled: true
-
-    maintenance_off:
-      type: MaintenanceWorkflow
-      properties:
-        enabled: false
-
-  substitution_mappings:
-
-    node_type: tosca.nodes.WebApplication
-    requirements:
-      host: [ node_cellar, host ] # doesn't really make sense; just for testing
-    capabilities:
-      app_endpoint: [ loadbalancer, client ]
-
-policy_types:
-
-  MaintenanceWorkflow:
-    description: >-
-      Workflow to put all nodes in/out of maintenance mode. For web servers, this will show a "this
-      site is under maintenance and we'll be back soon" web page. Database nodes will then close all
-      client connections cleanly and shut down services. 
-    derived_from: aria.Workflow
-    properties:
-      function: # @override
-        type: string
-        default: workflows.maintenance
-      implementation:
-        type: string
-        default: tests/resources/service_templates/node-cellar
-      enabled:
-        description: >-
-          Whether to turn maintenance mode on or off.
-        type: boolean
-      #ctx:
-      #  type: string
-      #  default: abc

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service_templates/node-cellar/types/aria.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service_templates/node-cellar/types/aria.yaml b/tests/resources/service_templates/node-cellar/types/aria.yaml
deleted file mode 100644
index 2ddb238..0000000
--- a/tests/resources/service_templates/node-cellar/types/aria.yaml
+++ /dev/null
@@ -1,93 +0,0 @@
-
-policy_types:
-
-  aria.Plugin:
-    _extensions:
-      role: plugin
-    description: >-
-      ARIA Plugin definition.
-    derived_from: tosca.policies.Root
-    properties:
-      executor:
-        description: >-
-          Where to execute the plugin's operations.
-        type: string
-        constraints:
-          - valid_values: [ central_deployment_agent, host_agent ]
-      source:
-        description: >-
-          Where to execute the plugin's operations. Where to retrieve the plugin from. Could be
-          either a path relative to the plugins dir inside the blueprint's root dir or a url. If
-          install is false, source is redundant. If install is true, source (or package_name) is
-          mandatory.
-        type: string
-        required: false
-      install_arguments:
-        description: >-
-          Optional arguments passed to the 'pip install' command created for the plugin
-          installation.
-        type: string
-        required: false
-      install:
-        description: >-
-          Whether to install the plugin or not as it might already be installed as part of the
-          agent.
-        type: boolean
-        default: true
-      package_name:
-        description: >-
-          Managed plugin package name. If install is false, package_name is redundant. If install is
-          true, package_name (or source) is mandatory.
-        type: string
-        required: false
-      package_version:
-        description: >-
-          Managed plugin package version.
-        type: string
-        required: false
-      supported_platform:
-        description: >-
-          Managed plugin supported platform (e.g. linux_x86_64).
-        type: string
-        required: false
-      supported_distribution:
-        description: >-
-          Managed plugin distribution.
-        type: string
-        required: false
-      distribution_version:
-        description: >-
-          Managed plugin distribution version.
-        type: string
-        required: false
-      distribution_release:
-        description: >-
-          Managed plugin distribution release.
-        type: string
-        required: false
-
-  aria.Workflow:
-    _extensions:
-      role: workflow
-    description: >-
-      ARIA Workflow definition.
-    derived_from: tosca.policies.Root
-    properties:
-      function:
-        description: >-
-          Python workflow function.
-        type: string
-      implementation:
-        description: >-
-          The implementation artifact name (i.e., the primary script file name within a TOSCA CSAR
-          file).
-        type: string
-        required: false
-      dependencies:
-        description: >-
-          The optional ordered list of one or more dependent or secondary implementation artifact
-          name which are referenced by the primary implementation artifact (e.g., a library the
-          script installs or a secondary script).
-        type: list
-        entry_schema: string
-        required: false

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service_templates/node-cellar/types/mongodb.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service_templates/node-cellar/types/mongodb.yaml b/tests/resources/service_templates/node-cellar/types/mongodb.yaml
deleted file mode 100644
index 612dbcb..0000000
--- a/tests/resources/service_templates/node-cellar/types/mongodb.yaml
+++ /dev/null
@@ -1,73 +0,0 @@
-#
-# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
-# 
-# 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.
-#
-
-imports:
-  - os.yaml
-
-node_types:
-
-  mongodb.Server:
-    description: >-
-      MongoDB server application.
-    derived_from: tosca.nodes.DBMS
-    properties:
-      root_password: # @override
-        type: string
-        default: admin
-      port: # @override
-        type: integer
-        default: 27017
-    artifacts:
-      mongodb:
-        description: >-
-          MongoDB application package.
-        type: os.Archive
-        file: https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu1604-3.2.8.tgz
-        deploy_path: /opt/mongodb
-    capabilities:
-      host: # @override
-        type: tosca.capabilities.Container
-        valid_source_types: [ mongodb.Database ]
-
-  mongodb.Database:
-    description: >-
-      MongoDB database.
-      
-      Supports importing database data if a mongodb.DatabaseDump is provided.
-    derived_from: tosca.nodes.Database
-    interfaces:
-      Standard:
-        type: tosca.interfaces.node.lifecycle.Standard
-        create:
-          implementation:
-            primary: mongodb/create_and_import_database.sh
-            dependencies:
-              - mongodb/utils/api.sh
-              - utils/os.sh
-    requirements:
-      - host: # @override
-          capability: tosca.capabilities.Container
-          node: mongodb.Server
-          relationship: tosca.relationships.HostedOn
-
-artifact_types:
-
-  mongodb.DatabaseDump:
-    description: >-
-      Dump of a MongoDB database.
-    derived_from: tosca.artifacts.Root
-    file_ext:
-      - json

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service_templates/node-cellar/types/nginx.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service_templates/node-cellar/types/nginx.yaml b/tests/resources/service_templates/node-cellar/types/nginx.yaml
deleted file mode 100644
index 8986a21..0000000
--- a/tests/resources/service_templates/node-cellar/types/nginx.yaml
+++ /dev/null
@@ -1,27 +0,0 @@
-#
-# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
-# 
-# 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.
-#
-
-node_types:
-
-  nginx.LoadBalancer:
-    description: >-
-      Nginx as a loadbalancer.
-    derived_from: tosca.nodes.LoadBalancer
-    requirements:
-      - host:
-          capability: tosca.capabilities.Container
-          node: tosca.nodes.Compute
-          relationship: tosca.relationships.HostedOn

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service_templates/node-cellar/types/nodejs.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service_templates/node-cellar/types/nodejs.yaml b/tests/resources/service_templates/node-cellar/types/nodejs.yaml
deleted file mode 100644
index ec8dd83..0000000
--- a/tests/resources/service_templates/node-cellar/types/nodejs.yaml
+++ /dev/null
@@ -1,69 +0,0 @@
-#
-# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
-# 
-# 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.
-#
-
-imports:
-  - os.yaml
-
-node_types:
-
-  nodejs.Server:
-    description: >-
-      Node.js server application.
-    derived_from: tosca.nodes.WebServer
-    artifacts:
-      nodejs:
-        description: >-
-          Node.js application package.
-        type: os.Archive
-        file: https://nodejs.org/dist/v4.4.7/node-v4.4.7-linux-x64.tar.xz
-        deploy_path: /opt/nodejs
-    capabilities:
-      data_endpoint: # @override 
-        type: tosca.capabilities.Endpoint
-        properties:
-          port:
-            type: tosca.datatypes.network.PortDef
-            default: 8080
-          url_path:
-            type: string
-            default: /
-      admin_endpoint: # @override
-        type: tosca.capabilities.Endpoint.Admin
-        properties:
-          port:
-            type: tosca.datatypes.network.PortDef
-            default: 8080
-          url_path:
-            type: string
-            default: /admin
-      host: # @override
-        type: tosca.capabilities.Container
-        valid_source_types: [ nodejs.Application ]
-
-  nodejs.Application:
-    derived_from: tosca.nodes.WebApplication
-    capabilities:
-      app_endpoint: # @override
-        type: tosca.capabilities.Endpoint
-        properties:
-          port:
-            type: tosca.datatypes.network.PortDef
-            default: 8080
-    requirements:
-      - host: # @override
-          capability: tosca.capabilities.Container
-          node: nodejs.Server
-          relationship: tosca.relationships.HostedOn

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service_templates/node-cellar/types/openstack.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service_templates/node-cellar/types/openstack.yaml b/tests/resources/service_templates/node-cellar/types/openstack.yaml
deleted file mode 100644
index a18da53..0000000
--- a/tests/resources/service_templates/node-cellar/types/openstack.yaml
+++ /dev/null
@@ -1,201 +0,0 @@
-#
-# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
-# 
-# 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.
-#
-
-imports:
-  - os.yaml
-
-dsl_definitions:
-
-  openstack:
-    uuid_constraints: &OPENSTACK_UUID_CONSTRAINTS
-      - pattern: '^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$'
-
-node_types:
-
-  openstack.Instance:
-    description: >-
-      OpenStack instance.
-
-      You may assign an image_id or attach an openstack.Image artifact (the artifact
-      will take precedence).
-    
-      You may assign either flavor_id or flavor_name (flavor_id will take precedence).
-      If neither are assigned, flavor_name has a default value.
-    derived_from: tosca.nodes.Compute
-    properties:
-      image_id:
-        description: >-
-          See: https://s3itwiki.uzh.ch/display/clouddoc/Supported+Images
-        type: openstack.UUID
-        default: 5d62e82c-924e-4fa9-b1e4-c133867596f7
-      flavor_id:
-        type: openstack.UUID
-        required: false
-      flavor_name:
-        type: string
-        default: m1.medium
-        required: false
-      availability_zone:
-        description: >-
-          OpenStack availability zone.
-        type: string
-        required: false
-      os_users:
-        type: map
-        entry_schema: os.UserInfo
-    interfaces:
-      Standard:
-        type: tosca.interfaces.node.lifecycle.Standard
-        inputs:
-          openstack_credential:
-            description: The OpenStack API credential for all operations.
-            type: openstack.Credential
-        create:
-          implementation:
-            primary: openstack/create_instance.sh
-            dependencies:
-              - openstack/utils/api.sh
-              - utils/os.sh
-    requirements:
-      - local_storage: # @override
-          capability: tosca.capabilities.Attachment
-          node: openstack.Volume
-          relationship: tosca.relationships.AttachesTo
-#          relationship:
-#            type: tosca.relationships.AttachesTo
-#            interfaces:
-#              Standard:
-#                inputs:
-#                  xxx:
-#                    type: string
-#                    default: { concat: [ a, b ] }
-          occurrences: [ 0, UNBOUNDED ]
-
-  openstack.Volume:
-    description: >-
-      OpenStack volume.
-      
-      See: http://developer.openstack.org/api-ref-blockstorage-v2.html
-    derived_from: tosca.nodes.BlockStorage
-    properties:
-      tenant_id:
-        type: openstack.UUID
-        required: false
-      availability_zone:
-        type: string
-        required: false
-      source_volid:
-        type: openstack.UUID
-        required: false
-      description:
-        type: string
-        required: false
-      multiattach:
-        type: boolean
-        default: false
-      #snapshot_id: # @override
-      #  type: openstack.UUID
-      #  required: false
-      name:
-        type: string
-        required: false
-      volume_type:
-        type: string
-        required: false
-      metadata:
-        type: map
-        entry_schema: string
-        required: false
-      source_replica:
-        type: openstack.UUID
-        required: false
-      consistencygroup_id:
-        type: openstack.UUID
-        required: false
-      scheduler_hints:
-        type: map
-        entry_schema: string
-        required: false
-    interfaces:
-      Standard:
-        type: tosca.interfaces.node.lifecycle.Standard
-        inputs:
-          openstack_credential:
-            description: The OpenStack API credential for all operations.
-            type: openstack.Credential
-        create:
-          implementation:
-            primary: openstack/create_volume.sh
-            dependencies:
-              - openstack/utils/api.sh
-              - utils/os.sh
-
-group_types:
-
-  openstack.Secured:
-    description: >-
-      OpenStack secured group.
-    derived_from: tosca.groups.Root
-    members:
-      - openstack.Instance
-    interfaces:
-      Standard:
-        type: tosca.interfaces.node.lifecycle.Standard
-        inputs:
-          openstack_credential:
-            description: The OpenStack API credential for all operations.
-            type: openstack.Credential
-        create:
-          implementation:
-            primary: openstack/create_secured_group.sh
-            dependencies:
-              - openstack/utils/api.sh
-              - utils/os.sh
-
-policy_types:
-
-  openstack.Scaling:
-    description: >-
-      OpenStack scaling policy.
-    derived_from: tosca.policies.Scaling
-    properties:
-      bandwidth_threshold:
-        type: scalar-unit.size
-        default: 1 GB
-    targets:
-      - openstack.Instance
-      - openstack.Secured
-
-data_types:
-
-  openstack.Credential:
-    derived_from: tosca.datatypes.Credential
-
-  openstack.UUID:
-    description: >-
-      OpenStack UUID (in GUID format).
-    derived_from: string
-    constraints: *OPENSTACK_UUID_CONSTRAINTS
-
-artifact_types:
-
-  openstack.Image:
-    description: >-
-      OpenStack image artifact.
-    derived_from: tosca.artifacts.Deployment.Image.VM
-    file_ext:
-      - img
-      - iso

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service_templates/node-cellar/types/os.yaml
----------------------------------------------------------------------
diff --git a/tests/resources/service_templates/node-cellar/types/os.yaml b/tests/resources/service_templates/node-cellar/types/os.yaml
deleted file mode 100644
index 43ea78c..0000000
--- a/tests/resources/service_templates/node-cellar/types/os.yaml
+++ /dev/null
@@ -1,75 +0,0 @@
-#
-# Copyright (c) 2016 GigaSpaces Technologies Ltd. All rights reserved.
-# 
-# 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.
-#
-
-dsl_definitions:
-
-  os:
-    user_and_group_name_constraints: &OS_USER_AND_GROUP_NAME_CONSTRAINTS
-      - pattern: '^[a-z0-9_-]{3,16}$'
-    password_constraints: &OS_PASSWORD_CONSTRAINTS
-      - pattern: '^[a-z0-9_-]{6,18}$'
-
-artifact_types:
-
-  os.Package:
-    description: >-
-      Generic application package.
-    derived_from: tosca.artifacts.Root
-
-  os.Archive:
-    description: >-
-      Application package in an archive.
-    derived_from: os.Package
-    file_ext:
-      - zip
-      - tar
-      - tar.gz
-      - tar.xz
-    properties:
-      unpack_credential:
-        type: tosca.datatypes.Credential
-        required: false
-
-  os.Deb:
-    description: >-
-      Debian application package.
-    derived_from: os.Package
-    file_ext:
-      - deb
-
-  os.RPM:
-    description: >-
-      RPM application package.
-    derived_from: os.Package
-    file_ext:
-      - rpm
-
-data_types:
-
-  os.UserInfo:
-    description: >-
-      Information about an operating system user.
-    derived_from: tosca.datatypes.Root
-    properties:
-      password:
-        type: string
-        constraints: *OS_PASSWORD_CONSTRAINTS
-      groups:
-        type: list
-        entry_schema:
-          type: string
-          constraints: *OS_USER_AND_GROUP_NAME_CONSTRAINTS
-        required: false

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/tests/resources/service_templates/node-cellar/workflows.py
----------------------------------------------------------------------
diff --git a/tests/resources/service_templates/node-cellar/workflows.py b/tests/resources/service_templates/node-cellar/workflows.py
deleted file mode 100644
index fff78bf..0000000
--- a/tests/resources/service_templates/node-cellar/workflows.py
+++ /dev/null
@@ -1,16 +0,0 @@
-
-from aria import workflow
-from aria.orchestrator.workflows.api.task import OperationTask
-
-
-@workflow
-def maintenance(ctx, graph, enabled):
-    """
-    Custom workflow to call the operations on the Maintenance interface.
-    """
-
-    operation = 'Maintenance.enable' if enabled else 'Maintenance.disable'
-
-    for node in ctx.model.node.iter():
-        for interface in node.interfaces.filter_by(name='Maintenance', type_name='Maintenance'):
-            graph.add_tasks(OperationTask.node(instance=node, name=operation))


[2/2] incubator-ariatosca git commit: ARIA-88 Add TOSCA use-case examples

Posted by em...@apache.org.
ARIA-88 Add TOSCA use-case examples


Project: http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/commit/feda8aef
Tree: http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/tree/feda8aef
Diff: http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/diff/feda8aef

Branch: refs/heads/ARIA-88-tosca-examples
Commit: feda8aefc7dfe5c3e4082903f130515e80e6b14b
Parents: b619335
Author: Tal Liron <ta...@gmail.com>
Authored: Wed Feb 15 12:48:56 2017 -0600
Committer: Tal Liron <ta...@gmail.com>
Committed: Wed Feb 15 12:48:56 2017 -0600

----------------------------------------------------------------------
 MANIFEST.in                                     |   1 +
 aria/parser/modeling/instance_elements.py       |   4 +-
 aria/parser/modeling/model_elements.py          |  10 +-
 .../block-storage-1/block-storage-1.yaml        |  68 +++++
 .../block-storage-2/block-storage-2.yaml        |  75 +++++
 .../block-storage-3/block-storage-3.yaml        |  68 +++++
 .../block-storage-4/block-storage-4.yaml        |  96 ++++++
 .../block-storage-5/block-storage-5.yaml        | 109 +++++++
 .../block-storage-6/block-storage-6.yaml        | 102 +++++++
 .../use-cases/compute-1/compute-1.yaml          |  42 +++
 .../use-cases/container-1/container-1.yaml      |  68 +++++
 .../multi-tier-1/custom_types/collectd.yaml     |  10 +
 .../custom_types/elasticsearch.yaml             |   6 +
 .../multi-tier-1/custom_types/kibana.yaml       |  10 +
 .../multi-tier-1/custom_types/logstash.yaml     |  10 +
 .../multi-tier-1/custom_types/rsyslog.yaml      |  10 +
 .../use-cases/multi-tier-1/multi-tier-1.yaml    | 237 +++++++++++++++
 .../use-cases/network-1/network-1.yaml          |  49 +++
 .../use-cases/network-2/network-2.yaml          |  46 +++
 .../use-cases/network-3/network-3.yaml          |  81 +++++
 .../use-cases/network-4/network-4.yaml          |  70 +++++
 .../use-cases/non-normative-types.yaml          | 177 +++++++++++
 .../object-storage-1/object-storage-1.yaml      |  24 ++
 .../software-component-1.yaml                   |  54 ++++
 .../webserver-dbms-1/webserver-dbms-1.yaml      | 122 ++++++++
 .../paypalpizzastore_nodejs_app.yaml            |  15 +
 .../webserver-dbms-2/webserver-dbms-2.yaml      | 115 +++++++
 .../profiles/tosca-simple-1.0/artifacts.yaml    |  12 +-
 .../profiles/tosca-simple-1.0/capabilities.yaml |   4 +-
 .../profiles/tosca-simple-1.0/data.yaml         |   4 +-
 .../profiles/tosca-simple-1.0/groups.yaml       |   2 +-
 .../profiles/tosca-simple-1.0/interfaces.yaml   |   2 +-
 .../profiles/tosca-simple-1.0/nodes.yaml        |  11 +-
 .../profiles/tosca-simple-1.0/policies.yaml     |  10 +-
 .../tosca-simple-1.0/relationships.yaml         |   4 +-
 .../tosca-simple-nfv-1.0/capabilities.yaml      |   3 +-
 .../profiles/tosca-simple-nfv-1.0/data.yaml     |   2 +-
 .../profiles/tosca-simple-nfv-1.0/groups.yaml   |   2 +-
 .../profiles/tosca-simple-nfv-1.0/nodes.yaml    |  12 +-
 .../simple_v1_0/assignments.py                  |   2 +-
 .../simple_v1_0/functions.py                    |  18 +-
 .../aria_extension_tosca/simple_v1_0/misc.py    |   1 +
 .../simple_v1_0/modeling/__init__.py            |  13 +-
 .../simple_v1_0/modeling/requirements.py        |  29 +-
 .../presentation/field_validators.py            |  18 +-
 tests/end2end/test_parser.py                    |  40 ---
 tests/end2end/test_tosca_simple_v1_0.py         | 112 +++++++
 tests/parser/service_templates.py               |  20 +-
 tests/parser/utils.py                           |   9 +-
 .../tosca-simple-1.0/node-cellar/inputs.yaml    |   3 +
 .../node-cellar/node-cellar.yaml                | 299 +++++++++++++++++++
 .../node-cellar/types/aria.yaml                 |  93 ++++++
 .../node-cellar/types/mongodb.yaml              |  73 +++++
 .../node-cellar/types/nginx.yaml                |  27 ++
 .../node-cellar/types/nodejs.yaml               |  69 +++++
 .../node-cellar/types/openstack.yaml            | 201 +++++++++++++
 .../tosca-simple-1.0/node-cellar/types/os.yaml  |  75 +++++
 .../tosca-simple-1.0/node-cellar/workflows.py   |  16 +
 .../service_templates/node-cellar/inputs.yaml   |   3 -
 .../node-cellar/node-cellar.yaml                | 299 -------------------
 .../node-cellar/types/aria.yaml                 |  93 ------
 .../node-cellar/types/mongodb.yaml              |  73 -----
 .../node-cellar/types/nginx.yaml                |  27 --
 .../node-cellar/types/nodejs.yaml               |  69 -----
 .../node-cellar/types/openstack.yaml            | 201 -------------
 .../service_templates/node-cellar/types/os.yaml |  75 -----
 .../service_templates/node-cellar/workflows.py  |  16 -
 67 files changed, 2737 insertions(+), 984 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/MANIFEST.in
----------------------------------------------------------------------
diff --git a/MANIFEST.in b/MANIFEST.in
index f9bd145..d934e18 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,2 @@
 include requirements.txt
+recursive-include examples *

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/aria/parser/modeling/instance_elements.py
----------------------------------------------------------------------
diff --git a/aria/parser/modeling/instance_elements.py b/aria/parser/modeling/instance_elements.py
index 523de0b..8310d62 100644
--- a/aria/parser/modeling/instance_elements.py
+++ b/aria/parser/modeling/instance_elements.py
@@ -451,8 +451,8 @@ class Relationship(Element):
                  template_name=None):
         if name is not None and not isinstance(name, basestring):
             raise ValueError('name must be a string or None')
-        if (source_requirement_index is not None and
-                (not isinstance(source_requirement_index, int) or (source_requirement_index < 0))):
+        if source_requirement_index is not None and \
+                (not isinstance(source_requirement_index, int) or (source_requirement_index < 0)):
             raise ValueError('source_requirement_index must be int > 0')
         if type_name is not None and not isinstance(type_name, basestring):
             raise ValueError('type_name must be a string or None')

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/aria/parser/modeling/model_elements.py
----------------------------------------------------------------------
diff --git a/aria/parser/modeling/model_elements.py b/aria/parser/modeling/model_elements.py
index 7346a54..69da60e 100644
--- a/aria/parser/modeling/model_elements.py
+++ b/aria/parser/modeling/model_elements.py
@@ -296,9 +296,8 @@ class RequirementTemplate(ModelElement):
         if target_capability_name is not None and not isinstance(target_capability_name,
                                                                  basestring):
             raise ValueError('target_capability_name must be a string or None')
-        if target_node_type_name is not None and target_node_template_name is not None \
-                or target_node_type_name is None and target_node_template_name is None:
-            raise ValueError('must set either target_node_type_name or target_node_template_name')
+        if target_node_type_name is not None and target_node_template_name is not None:
+            raise ValueError('can set either target_node_type_name or target_node_template_name')
         if target_capability_type_name is not None and target_capability_name is not None:
             raise ValueError('can set either target_capability_type_name or target_capability_name')
 
@@ -552,8 +551,7 @@ class RelationshipTemplate(ModelElement):
             raise ValueError('type_name must be a string or None')
         if (template_name is not None) and (not isinstance(template_name, basestring)):
             raise ValueError('template_name must be a string or None')
-        if type_name is not None and template_name is not None \
-                or type_name is None and template_name is None:
+        if (type_name is None) and (template_name is None):
             raise ValueError('must set either type_name or template_name')
 
         self.type_name = type_name
@@ -576,7 +574,7 @@ class RelationshipTemplate(ModelElement):
             ('target_interface_templates', as_raw_list(self.target_interface_templates))))
 
     def instantiate(self, context, container):
-        relationship = Relationship(self.type_name, self.template_name)
+        relationship = Relationship(name=self.template_name, type_name=self.type_name)
         instantiate_dict(context, container,
                          relationship.properties, self.properties)
         instantiate_dict(context, container,

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/block-storage-1/block-storage-1.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/block-storage-1/block-storage-1.yaml b/examples/tosca-simple-1.0/use-cases/block-storage-1/block-storage-1.yaml
new file mode 100644
index 0000000..ff6dc92
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/block-storage-1/block-storage-1.yaml
@@ -0,0 +1,68 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with server and attached block storage using the normative AttachesTo
+  Relationship Type.
+
+metadata:
+  template_name: block-storage-1
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+topology_template:
+
+  inputs:
+    cpus:
+      type: integer
+      description: Number of CPUs for the server.
+      constraints:
+        - valid_values: [ 1, 2, 4, 8 ]
+    storage_size:
+      type: scalar-unit.size
+      description: Size of the storage to be created.
+      default: 1 GB
+    storage_snapshot_id:
+      type: string
+      description: >-
+        Optional identifier for an existing snapshot to use when creating storage.    
+    storage_location:
+      type: string
+      description: Block storage mount point (filesystem path).
+
+  node_templates:
+
+    my_server:
+      type: Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 1 GB
+        os:
+          properties:
+            architecture: x86_64
+            type: linux 
+            distribution: fedora 
+            version: 18.0
+      requirements:
+        - local_storage:
+            node: my_storage
+            relationship:
+              type: AttachesTo
+              properties:
+                location: { get_input: storage_location }
+
+    my_storage:
+      type: BlockStorage
+      properties:
+        size: { get_input: storage_size }
+        snapshot_id: { get_input: storage_snapshot_id }
+
+  outputs:
+    private_ip:
+      description: The private IP address of the newly created compute instance.
+      value: { get_attribute: [ my_server, private_address ] }
+    volume_id:
+      description: The volume id of the block storage instance.
+      value: { get_attribute: [ my_storage, volume_id ] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/block-storage-2/block-storage-2.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/block-storage-2/block-storage-2.yaml b/examples/tosca-simple-1.0/use-cases/block-storage-2/block-storage-2.yaml
new file mode 100644
index 0000000..09c30a7
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/block-storage-2/block-storage-2.yaml
@@ -0,0 +1,75 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with server and attached block storage using a custom AttachesTo Relationship
+  Type.
+
+metadata:
+  template_name: block-storage-2
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+relationship_types:
+
+  MyCustomAttachesTo:
+     derived_from: AttachesTo
+
+topology_template:
+
+  inputs:
+    cpus:
+      type: integer
+      description: Number of CPUs for the server.
+      constraints:
+        - valid_values: [ 1, 2, 4, 8 ]
+    storage_size:
+      type: scalar-unit.size
+      description: Size of the storage to be created.
+      default: 1 GB
+    storage_snapshot_id:
+      type: string
+      description: >-
+        Optional identifier for an existing snapshot to use when creating storage.    
+    storage_location:
+      type: string
+      description: Block storage mount point (filesystem path).
+
+  node_templates:
+
+    my_server:
+      type: Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 4 GB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux 
+            distribution: Fedora 
+            version: 18.0
+      requirements:
+        - local_storage:
+            node: my_storage
+            # Declare custom AttachesTo type using the 'relationship' keyword
+            relationship:
+              type: MyCustomAttachesTo
+              properties:
+                location: { get_input: storage_location }
+
+    my_storage:
+      type: BlockStorage
+      properties:
+        size: { get_input: storage_size }
+        snapshot_id: { get_input: storage_snapshot_id }
+
+  outputs:
+    private_ip:
+      description: The private IP address of the newly created compute instance.
+      value: { get_attribute: [ my_server, private_address ] }
+
+    volume_id:
+      description: The volume id of the block storage instance.
+      value: { get_attribute: [ my_storage, volume_id ] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/block-storage-3/block-storage-3.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/block-storage-3/block-storage-3.yaml b/examples/tosca-simple-1.0/use-cases/block-storage-3/block-storage-3.yaml
new file mode 100644
index 0000000..3018fe9
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/block-storage-3/block-storage-3.yaml
@@ -0,0 +1,68 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with server and attached block storage using a named Relationship Template
+  for the storage attachment.
+
+metadata:
+  template_name: block-storage-3
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+topology_template:
+
+  inputs:
+    cpus:
+      type: integer
+      description: Number of CPUs for the server.
+      constraints:
+        - valid_values: [ 1, 2, 4, 8 ]
+    storage_size:
+      type: scalar-unit.size
+      description: Size of the storage to be created.
+      default: 1 GB
+    storage_location:
+      type: string
+      description: Block storage mount point (filesystem path).
+
+  node_templates:
+
+    my_server:
+      type: Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 4 GB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux 
+            distribution: Fedora 
+            version: 18.0
+      requirements:
+        - local_storage:
+            node: my_storage
+            # Declare template to use with 'relationship' keyword
+            relationship: storage_attachment
+
+    my_storage:
+      type: BlockStorage
+      properties:
+        size: { get_input: storage_size }
+
+  relationship_templates:
+
+    storage_attachment:
+      type: AttachesTo
+      properties:
+        location: { get_input: storage_location }
+
+  outputs:
+    private_ip:
+      description: The private IP address of the newly created compute instance.
+      value: { get_attribute: [ my_server, private_address ] }
+    volume_id:
+      description: The volume id of the block storage instance.
+      value: { get_attribute: [ my_storage, volume_id ] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/block-storage-4/block-storage-4.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/block-storage-4/block-storage-4.yaml b/examples/tosca-simple-1.0/use-cases/block-storage-4/block-storage-4.yaml
new file mode 100644
index 0000000..0693ddd
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/block-storage-4/block-storage-4.yaml
@@ -0,0 +1,96 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with a Single Block Storage node shared by 2-Tier Application with custom
+  AttachesTo Type and implied relationships.
+
+metadata:
+  template_name: block-storage-4
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+relationship_types:
+
+  MyAttachesTo:
+    derived_from: tosca.relationships.AttachesTo
+    properties:
+      location:
+        type: string
+        default: /default_location
+
+topology_template:
+
+  inputs:
+    cpus:
+      type: integer
+      description: Number of CPUs for the server.
+      constraints:
+        - valid_values: [ 1, 2, 4, 8 ]
+    storage_size:
+      type: scalar-unit.size
+      default: 1 GB
+      description: Size of the storage to be created.
+    storage_snapshot_id:
+      type: string
+      description: >-
+        Optional identifier for an existing snapshot to use when creating storage.    
+
+  node_templates:
+
+    my_web_app_tier_1:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: Fedora
+            version: 18.0
+      requirements:
+        - local_storage:
+            node: my_storage
+            relationship: MyAttachesTo
+
+    my_web_app_tier_2:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: Fedora
+            version: 18.0
+      requirements:
+        - local_storage:
+            node: my_storage
+            relationship:
+              type: MyAttachesTo
+              properties:
+                location: /some_other_data_location
+
+    my_storage:
+      type: tosca.nodes.BlockStorage
+      properties:
+        size: { get_input: storage_size }
+        snapshot_id: { get_input: storage_snapshot_id }
+
+  outputs:
+    private_ip_1:
+      description: The private IP address of the application's first tier.
+      value: { get_attribute: [ my_web_app_tier_1, private_address ] }
+    private_ip_2:
+      description: The private IP address of the application's second tier.
+      value: { get_attribute: [ my_web_app_tier_2, private_address ] }
+    volume_id:
+      description: The volume id of the block storage instance.
+      value: { get_attribute: [ my_storage, volume_id ] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/block-storage-5/block-storage-5.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/block-storage-5/block-storage-5.yaml b/examples/tosca-simple-1.0/use-cases/block-storage-5/block-storage-5.yaml
new file mode 100644
index 0000000..5f5cf71
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/block-storage-5/block-storage-5.yaml
@@ -0,0 +1,109 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with a single Block Storage node shared by 2-Tier Application with custom
+  AttachesTo Type and explicit Relationship Templates.
+
+metadata:
+  template_name: block-storage-5
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+relationship_types:
+
+  MyAttachesTo:
+    derived_from: tosca.relationships.AttachesTo
+    properties:
+      location:
+        type: string
+        default: /default_location
+
+topology_template:
+
+  inputs:
+    cpus:
+      type: integer
+      description: Number of CPUs for the server.
+      constraints:
+        - valid_values: [ 1, 2, 4, 8 ]
+    storage_size:
+      type: scalar-unit.size
+      default: 1 GB
+      description: Size of the storage to be created.
+    storage_snapshot_id:
+      type: string
+      description: >-
+        Optional identifier for an existing snapshot to use when creating storage.
+    storage_location:
+      type: string
+      description: >-
+        Block storage mount point (filesystem path).
+
+  node_templates:
+
+    my_web_app_tier_1:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: Fedora
+            version: 18.0
+      requirements:
+        - local_storage:
+            node: my_storage
+            relationship: storage_attachesto_1
+
+    my_web_app_tier_2:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: Fedora
+            version: 18.0
+      requirements:
+        - local_storage:
+            node: my_storage
+            relationship: storage_attachesto_2
+
+    my_storage:
+      type: tosca.nodes.BlockStorage
+      properties:
+        size: { get_input: storage_size }
+        snapshot_id: { get_input: storage_snapshot_id }
+
+  relationship_templates:
+
+    storage_attachesto_1:
+      type: MyAttachesTo
+      properties:
+        location: /my_data_location
+
+    storage_attachesto_2:
+      type: MyAttachesTo
+      properties:
+        location: /some_other_data_location
+
+  outputs:
+    private_ip_1:
+      description: The private IP address of the application's first tier.
+      value: { get_attribute: [my_web_app_tier_1, private_address] }
+    private_ip_2:
+      description: The private IP address of the application's second tier.
+      value: { get_attribute: [my_web_app_tier_2, private_address] }
+    volume_id:
+      description: The volume id of the block storage instance.
+      value: { get_attribute: [my_storage, volume_id] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/block-storage-6/block-storage-6.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/block-storage-6/block-storage-6.yaml b/examples/tosca-simple-1.0/use-cases/block-storage-6/block-storage-6.yaml
new file mode 100644
index 0000000..808245b
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/block-storage-6/block-storage-6.yaml
@@ -0,0 +1,102 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with 2 servers each with different attached block storage.
+
+metadata:
+  template_name: block-storage-6
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+topology_template:
+
+  inputs:
+    cpus:
+      type: integer
+      description: Number of CPUs for the server.
+      constraints:
+        - valid_values: [ 1, 2, 4, 8 ]
+    storage_size:
+      type: scalar-unit.size
+      default: 1 GB
+      description: Size of the storage to be created.
+    storage_snapshot_id:
+      type: string
+      description: >-
+        Optional identifier for an existing snapshot to use when creating storage.
+    storage_location:
+      type: string
+      description: >-
+        Block storage mount point (filesystem path).
+
+  node_templates:
+
+    my_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: Fedora
+            version: 18.0
+      requirements:
+         - local_storage:
+             node: my_storage
+             relationship:
+               type: AttachesTo
+               properties:
+                 location: { get_input: storage_location }
+
+    my_storage:
+      type: tosca.nodes.BlockStorage
+      properties:
+        size: { get_input: storage_size }
+        snapshot_id: { get_input: storage_snapshot_id }
+
+    my_server2:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: Fedora
+            version: 18.0
+      requirements:
+         - local_storage:
+             node: my_storage2
+             relationship:
+               type: AttachesTo
+               properties:
+                 location: { get_input: storage_location }
+
+    my_storage2:
+      type: tosca.nodes.BlockStorage
+      properties:
+        size: { get_input: storage_size }
+        snapshot_id: { get_input: storage_snapshot_id }
+
+  outputs:
+    server_ip_1:
+      description: The private IP address of the application's first server.
+      value: { get_attribute: [ my_server, private_address ] }
+    server_ip_2:
+      description: The private IP address of the application's second server.
+      value: { get_attribute: [ my_server2, private_address ] }
+    volume_id_1:
+      description: The volume id of the first block storage instance.
+      value: { get_attribute: [my_storage, volume_id] }
+    volume_id_2:
+      description: The volume id of the second block storage instance.
+      value: { get_attribute: [ my_storage2, volume_id ] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/compute-1/compute-1.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/compute-1/compute-1.yaml b/examples/tosca-simple-1.0/use-cases/compute-1/compute-1.yaml
new file mode 100644
index 0000000..254d2b6
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/compute-1/compute-1.yaml
@@ -0,0 +1,42 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile that just defines a single compute instance and selects a (guest) host
+  Operating System from the Compute node's properties. Note, this example does not include default
+  values on inputs properties.
+
+metadata:
+  template_name: compute-1
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+topology_template:
+
+  inputs:
+    cpus:
+      type: integer
+      description: Number of CPUs for the server.
+      constraints:
+        - valid_values: [ 1, 2, 4, 8 ]
+
+  node_templates:
+
+    my_server:
+      type: Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 1 GB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: ubuntu
+            version: 12.04
+
+  outputs:
+    private_ip:
+      description: The private IP address of the deployed server instance.
+      value: { get_attribute: [ my_server, private_address ] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/container-1/container-1.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/container-1/container-1.yaml b/examples/tosca-simple-1.0/use-cases/container-1/container-1.yaml
new file mode 100644
index 0000000..f6f69fc
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/container-1/container-1.yaml
@@ -0,0 +1,68 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with wordpress, web server and mysql on the same server.
+
+metadata:
+  template_name: compute-1
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+imports:
+  - ../non-normative-types.yaml
+
+# Repositories to retrieve code artifacts from
+
+repositories:
+
+  docker_hub: https://registry.hub.docker.com/
+
+topology_template:
+
+  inputs:
+    wp_host_port:
+      type: integer
+      description: The host port that maps to port 80 of the WordPress container.
+    db_root_pwd:
+      type: string
+      description: Root password for MySQL.
+
+  node_templates:
+
+    # The MYSQL container based on official MySQL image in Docker hub
+
+    mysql_container:
+      type: tosca.nodes.Container.Application.Docker
+      # ARIA NOTE: moved to a requirement in the node type
+      #capabilities:
+      #  # This is a capability that would mimic the Docker \u2013link feature
+      #  database_link: tosca.capabilities.Docker.Link
+      artifacts:
+        my_image:
+          file: mysql
+          type: tosca.artifacts.Deployment.Image.Container.Docker
+          repository: docker_hub
+      interfaces:
+        Standard:
+          create:
+            implementation: my_image
+            inputs:
+              db_root_password: { get_input: db_root_pwd }
+
+    # The WordPress container based on official WordPress image in Docker hub
+
+    wordpress_container:
+      type: tosca.nodes.Container.Application.Docker
+      requirements:
+        - database_link: mysql_container
+      artifacts:
+        my_image:
+          file: wordpress
+          type: tosca.artifacts.Deployment.Image.Container.Docker
+          repository: docker_hub
+      interfaces:
+        Standard:
+          create:
+            implementation: my_image
+            inputs:
+              host_port: { get_input: wp_host_port }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/collectd.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/collectd.yaml b/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/collectd.yaml
new file mode 100644
index 0000000..6d28899
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/collectd.yaml
@@ -0,0 +1,10 @@
+# ARIA NOTE: missing in spec
+
+node_types:
+
+  tosca.nodes.SoftwareComponent.Collectd:
+    derived_from: tosca.nodes.SoftwareComponent
+    requirements:
+      - collectd_endpoint:
+          capability: tosca.capabilities.Endpoint
+          relationship: tosca.relationships.ConnectsTo

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/elasticsearch.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/elasticsearch.yaml b/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/elasticsearch.yaml
new file mode 100644
index 0000000..32623d1
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/elasticsearch.yaml
@@ -0,0 +1,6 @@
+# ARIA NOTE: missing in spec
+
+node_types:
+
+  tosca.nodes.SoftwareComponent.Elasticsearch:
+    derived_from: tosca.nodes.SoftwareComponent

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/kibana.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/kibana.yaml b/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/kibana.yaml
new file mode 100644
index 0000000..7af00d0
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/kibana.yaml
@@ -0,0 +1,10 @@
+# ARIA NOTE: missing in spec
+
+node_types:
+
+  tosca.nodes.SoftwareComponent.Kibana:
+    derived_from: tosca.nodes.SoftwareComponent
+    requirements:
+      - search_endpoint:
+          capability: tosca.capabilities.Endpoint
+          relationship: tosca.relationships.ConnectsTo

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/logstash.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/logstash.yaml b/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/logstash.yaml
new file mode 100644
index 0000000..a3eebbe
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/logstash.yaml
@@ -0,0 +1,10 @@
+# ARIA NOTE: missing in spec
+
+node_types:
+
+  tosca.nodes.SoftwareComponent.Logstash:
+    derived_from: tosca.nodes.SoftwareComponent
+    requirements:
+      - search_endpoint:
+          capability: tosca.capabilities.Endpoint
+          relationship: tosca.relationships.ConnectsTo

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/rsyslog.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/rsyslog.yaml b/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/rsyslog.yaml
new file mode 100644
index 0000000..3bd7c2b
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/multi-tier-1/custom_types/rsyslog.yaml
@@ -0,0 +1,10 @@
+# ARIA NOTE: missing in spec
+
+node_types:
+
+  tosca.nodes.SoftwareComponent.Rsyslog:
+    derived_from: tosca.nodes.SoftwareComponent
+    requirements:
+      - rsyslog_endpoint:
+          capability: tosca.capabilities.Endpoint
+          relationship: tosca.relationships.ConnectsTo

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/multi-tier-1/multi-tier-1.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/multi-tier-1/multi-tier-1.yaml b/examples/tosca-simple-1.0/use-cases/multi-tier-1/multi-tier-1.yaml
new file mode 100644
index 0000000..3485e49
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/multi-tier-1/multi-tier-1.yaml
@@ -0,0 +1,237 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  This TOSCA simple profile deploys nodejs, mongodb, elasticsearch, logstash and kibana each on a
+  separate server with monitoring enabled for nodejs server where a sample nodejs application is
+  running. The syslog and collectd are installed on a nodejs server.
+
+metadata:
+  template_name: multi-tier-1
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+imports:
+  - ../webserver-dbms-2/custom_types/paypalpizzastore_nodejs_app.yaml # ARIA NOTE: moved
+  - custom_types/elasticsearch.yaml
+  - custom_types/logstash.yaml
+  - custom_types/kibana.yaml
+  - custom_types/collectd.yaml
+  - custom_types/rsyslog.yaml
+
+dsl_definitions:
+
+  host_capabilities: &host_capabilities
+    # container properties (flavor)
+    disk_size: 10 GB
+    num_cpus: { get_input: my_cpus }
+    mem_size: 4096 MB
+  os_capabilities: &os_capabilities
+    architecture: x86_64
+    type: Linux
+    distribution: Ubuntu
+    version: 14.04
+
+topology_template:
+
+  inputs:
+    my_cpus:
+      type: integer
+      description: Number of CPUs for the server.
+      constraints:
+        - valid_values: [ 1, 2, 4, 8 ]
+    github_url:
+       type: string
+       description: The URL to download nodejs.
+       default: https://github.com/sample.git
+
+  node_templates:
+
+    paypal_pizzastore:
+      type: tosca.nodes.WebApplication.PayPalPizzaStore
+      properties:
+        github_url: { get_input: github_url }
+      requirements:
+        - host: nodejs
+        - database_connection: mongo_db
+      interfaces:
+        Standard:
+           configure:
+             implementation: scripts/nodejs/configure.sh
+             inputs:
+               github_url: { get_property: [ SELF, github_url ] }
+               mongodb_ip: { get_attribute: [mongo_server, private_address] }
+           start: scripts/nodejs/start.sh
+
+    nodejs:
+      type: tosca.nodes.WebServer.Nodejs
+      requirements:
+        - host: app_server
+      interfaces:
+        Standard:
+          create: scripts/nodejs/create.sh
+
+    mongo_db:
+      type: tosca.nodes.Database
+      properties:
+        name: 'pizzastore' # ARIA NOTE: missing in spec
+      requirements:
+        - host: mongo_dbms
+      interfaces:
+        Standard:
+         create: create_database.sh
+
+    mongo_dbms:
+      type: tosca.nodes.DBMS
+      requirements:
+        - host: mongo_server
+      interfaces:
+        Standard: # ARIA NOTE: wrong in spec
+          create: scripts/mongodb/create.sh
+          configure:
+            implementation: scripts/mongodb/config.sh
+            inputs:
+              mongodb_ip: { get_attribute: [mongo_server, ip_address] }
+          start: scripts/mongodb/start.sh
+
+    elasticsearch:
+      type: tosca.nodes.SoftwareComponent.Elasticsearch
+      requirements:
+        - host: elasticsearch_server
+      interfaces:
+        Standard: # ARIA NOTE: wrong in spec
+          create: scripts/elasticsearch/create.sh
+          start: scripts/elasticsearch/start.sh
+
+    logstash:
+      type: tosca.nodes.SoftwareComponent.Logstash
+      requirements:
+        - host: logstash_server
+        # ARIA NOTE: mangled in the spec
+        - search_endpoint:
+            node: elasticsearch
+            relationship:
+              interfaces:
+                Configure:
+                  pre_configure_source:
+                    implementation: python/logstash/configure_elasticsearch.py
+                    inputs:
+                      elasticsearch_ip: { get_attribute: [elasticsearch_server, ip_address] }
+      interfaces:
+        Standard: # ARIA NOTE: wrong in spec
+          create: scripts/lostash/create.sh
+          configure: scripts/logstash/config.sh
+          start: scripts/logstash/start.sh
+
+    kibana:
+      type: tosca.nodes.SoftwareComponent.Kibana
+      requirements:
+        - host: kibana_server
+        - search_endpoint: elasticsearch
+      interfaces:
+        Standard: # ARIA NOTE: wrong in spec
+          create: scripts/kibana/create.sh
+          configure:
+            implementation: scripts/kibana/config.sh
+            inputs:
+              elasticsearch_ip: { get_attribute: [ elasticsearch_server, ip_address ] }
+              kibana_ip: { get_attribute: [ kibana_server, ip_address ] }
+          start: scripts/kibana/start.sh
+
+    app_collectd:
+      type: tosca.nodes.SoftwareComponent.Collectd
+      requirements:
+        - host: app_server
+        # ARIA NOTE: mangled in the spec
+        - collectd_endpoint:
+            node: logstash
+            relationship:
+              interfaces:
+                Configure:
+                  pre_configure_target:
+                    implementation: python/logstash/configure_collectd.py
+      interfaces:
+        Standard: # ARIA NOTE: wrong in spec
+          create: scripts/collectd/create.sh
+          configure:
+            implementation: python/collectd/config.py
+            inputs:
+              logstash_ip: { get_attribute: [ logstash_server, ip_address ] }
+          start: scripts/collectd/start.sh
+
+    app_rsyslog:
+      type: tosca.nodes.SoftwareComponent.Rsyslog
+      requirements:
+        - host: app_server
+        # ARIA NOTE: mangled in the spec
+        - rsyslog_endpoint:
+            node: logstash
+            relationship:
+              interfaces:
+                Configure:
+                  pre_configure_target:
+                    implementation: python/logstash/configure_rsyslog.py
+      interfaces:
+        Standard: # ARIA NOTE: wrong in spec
+          create: scripts/rsyslog/create.sh
+          configure:
+            implementation: scripts/rsyslog/config.sh
+            inputs:
+              logstash_ip: { get_attribute: [ logstash_server, ip_address ] }
+          start: scripts/rsyslog/start.sh
+
+    app_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties: *host_capabilities
+        os:
+          properties: *os_capabilities
+
+    mongo_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties: *host_capabilities
+        os:
+          properties: *os_capabilities
+
+    elasticsearch_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties: *host_capabilities
+        os:
+          properties: *os_capabilities
+
+    logstash_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties: *host_capabilities
+        os:
+          properties: *os_capabilities
+
+    kibana_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties: *host_capabilities
+        os:
+          properties: *os_capabilities
+
+  outputs:
+    nodejs_url:
+      description: URL for the nodejs server.
+      value: { get_attribute: [ app_server, private_address ] }
+    mongodb_url:
+      description: URL for the mongodb server.
+      value: { get_attribute: [ mongo_server, private_address ] }
+    elasticsearch_url:
+      description: URL for the elasticsearch server.
+      value: { get_attribute: [ elasticsearch_server, private_address ] }
+    logstash_url:
+      description: URL for the logstash server.
+      value: { get_attribute: [ logstash_server, private_address ] }
+    kibana_url:
+      description: URL for the kibana server.
+      value: { get_attribute: [ kibana_server, private_address ] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/network-1/network-1.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/network-1/network-1.yaml b/examples/tosca-simple-1.0/use-cases/network-1/network-1.yaml
new file mode 100644
index 0000000..c66964f
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/network-1/network-1.yaml
@@ -0,0 +1,49 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with 1 server bound to a new network.
+
+metadata:
+  template_name: network-1
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+topology_template:
+
+  inputs:
+    network_name:
+      type: string
+      description: Network name
+
+  node_templates:
+
+    my_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: 1
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: CirrOS
+            version: 0.3.2
+
+    my_network:
+      type: tosca.nodes.network.Network
+      properties:
+        network_name: { get_input: network_name }
+        ip_version: 4
+        cidr: '192.168.0.0/24'
+        start_ip: '192.168.0.50'
+        end_ip: '192.168.0.200'
+        gateway_ip: '192.168.0.1'
+
+    my_port:
+      type: tosca.nodes.network.Port
+      requirements:
+        - binding: my_server
+        - link: my_network

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/network-2/network-2.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/network-2/network-2.yaml b/examples/tosca-simple-1.0/use-cases/network-2/network-2.yaml
new file mode 100644
index 0000000..017950d
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/network-2/network-2.yaml
@@ -0,0 +1,46 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with 1 server bound to an existing network.
+
+metadata:
+  template_name: network-2
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+topology_template:
+
+  inputs:
+    network_name:
+      type: string
+      description: Network name
+
+  node_templates:
+
+    my_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: 1
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: CirrOS
+            version: 0.3.2
+
+    my_network:
+      type: tosca.nodes.network.Network
+      properties:
+        network_name: { get_input: network_name }
+
+    my_port:
+      type: tosca.nodes.network.Port
+      requirements:
+        - binding:
+            node: my_server
+        - link:
+            node: my_network

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/network-3/network-3.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/network-3/network-3.yaml b/examples/tosca-simple-1.0/use-cases/network-3/network-3.yaml
new file mode 100644
index 0000000..5fa40b7
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/network-3/network-3.yaml
@@ -0,0 +1,81 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with 2 servers bound to the 1 network.
+
+metadata:
+  template_name: network-3
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+topology_template:
+
+  inputs:
+    network_name:
+      type: string
+      description: Network name
+    network_cidr:
+      type: string
+      default: 10.0.0.0/24
+      description: CIDR for the network
+    network_start_ip:
+      type: string
+      default: 10.0.0.100
+      description: Start IP for the allocation pool
+    network_end_ip:
+      type: string
+      default: 10.0.0.150
+      description: End IP for the allocation pool
+
+  node_templates:
+
+    my_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: 1
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: CirrOS
+            version: 0.3.2
+
+    my_server2:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: 1
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: CirrOS
+            version: 0.3.2
+
+    my_network:
+      type: tosca.nodes.network.Network
+      properties:
+        ip_version: 4
+        cidr: { get_input: network_cidr }
+        network_name: { get_input: network_name }
+        start_ip: { get_input: network_start_ip }
+        end_ip: { get_input: network_end_ip }
+
+    my_port:
+      type: tosca.nodes.network.Port
+      requirements:
+        - binding: my_server
+        - link: my_network
+
+    my_port2:
+      type: tosca.nodes.network.Port
+      requirements:
+        - binding: my_server2
+        - link: my_network

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/network-4/network-4.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/network-4/network-4.yaml b/examples/tosca-simple-1.0/use-cases/network-4/network-4.yaml
new file mode 100644
index 0000000..5b51117
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/network-4/network-4.yaml
@@ -0,0 +1,70 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with 1 server bound to 3 networks.
+
+metadata:
+  template_name: network-4
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+topology_template:
+
+  node_templates:
+
+    my_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: 1
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: Linux
+            distribution: CirrOS
+            version: 0.3.2
+
+    my_network1:
+      type: tosca.nodes.network.Network
+      properties:
+        cidr: '192.168.1.0/24'
+        network_name: net1
+
+    my_network2:
+      type: tosca.nodes.network.Network
+      properties:
+        cidr: '192.168.2.0/24'
+        network_name: net2
+
+    my_network3:
+      type: tosca.nodes.network.Network
+      properties:
+        cidr: '192.168.3.0/24'
+        network_name: net3
+
+    my_port1:
+      type: tosca.nodes.network.Port
+      properties:
+        order: 0
+      requirements:
+        - binding: my_server
+        - link: my_network1
+
+    my_port2:
+      type: tosca.nodes.network.Port
+      properties:
+        order: 1
+      requirements:
+        - binding: my_server
+        - link: my_network2
+
+    my_port3:
+      type: tosca.nodes.network.Port
+      properties:
+        order: 2
+      requirements:
+        - binding: my_server
+        - link: my_network3

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/non-normative-types.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/non-normative-types.yaml b/examples/tosca-simple-1.0/use-cases/non-normative-types.yaml
new file mode 100644
index 0000000..fa826f5
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/non-normative-types.yaml
@@ -0,0 +1,177 @@
+
+artifact_types:
+
+  tosca.artifacts.Deployment.Image.Container.Docker:
+    _extensions:
+      specification: tosca-simple-1.0
+      specification_section: 8.1.1
+    derived_from: tosca.artifacts.Deployment.Image
+    description: Docker Container Image
+
+  tosca.artifacts.Deployment.Image.VM.ISO:
+    _extensions:
+      specification: tosca-simple-1.0
+      specification_section: 8.1.2
+    derived_from: tosca.artifacts.Deployment.Image.VM
+    description: Virtual Machine (VM) image in ISO disk format
+    mime_type: application/octet-stream
+    file_ext: [ iso ]
+
+  tosca.artifacts.Deployment.Image.VM.QCOW2:
+    _extensions:
+      specification: tosca-simple-1.0
+      specification_section: 8.1.3
+    derived_from: tosca.artifacts.Deployment.Image.VM
+    description: Virtual Machine (VM) image in QCOW v2 standard disk format
+    mime_type: application/octet-stream
+    file_ext: [ qcow2 ]
+
+capability_types:
+
+  tosca.capabilities.Container.Docker:
+    _extensions:
+      specification: tosca-simple-1.0
+      specification_section: 8.2.1
+    derived_from: tosca.capabilities.Container
+    description: The type indicates capabilities of a Docker runtime environment (client).
+    properties:
+      version:
+        description: >-
+          The Docker version capability (i.e., the versions supported by the capability).
+        type: list
+        required: false
+        entry_schema: version
+      publish_all:
+        description: >-
+          Indicates that all ports (ranges) listed in the dockerfile using the EXPOSE keyword be
+          published.
+        type: boolean
+        default: false
+        required: false
+      publish_ports:
+        description: >-
+          List of ports mappings from source (Docker container) to target (host) ports to publish. 
+        type: list
+        entry_schema: PortSpec
+        required: false
+      expose_ports:
+        description: >-
+          List of ports mappings from source (Docker container) to expose to other Docker containers
+          (not accessible outside host).
+        type: list
+        entry_schema: PortSpec
+        required: false
+      volumes:
+        description: >-
+          The dockerfile VOLUME command which is used to enable access from the Docker container to
+          a directory on the host machine.
+        type: list
+        entry_schema: string
+        required: false
+      # ARIA NOTE: these are missing in the spec
+      host_id:
+        description: >-
+          The optional identifier of an existing host resource that should be used to run this
+          container on.
+        type: string
+        required: false
+      volume_id:
+        description: >-
+          The optional identifier of an existing storage volume (resource) that should be used to
+          create the container's mount point(s) on.
+        type: string
+        required: false
+
+  # ARIA NOTE: missing in spec
+  tosca.capabilities.Docker.Link:
+    derived_from: tosca.capabilities.Root
+    description: This is a capability that would mimic the Docker \u2013link feature
+
+node_types:
+
+  tosca.nodes.Database.MySQL:
+    _extensions:
+      specification: tosca-simple-1.0
+      specification_section: 8.3.1
+    derived_from: tosca.nodes.Database
+    requirements:
+      - host:
+          capability: tosca.capabilities.Container # ARIA NOTE: missing in spec
+          node: tosca.nodes.DBMS.MySQL
+
+  tosca.nodes.DBMS.MySQL:
+    _extensions:
+      specification: tosca-simple-1.0
+      specification_section: 8.3.2
+    derived_from: tosca.nodes.DBMS
+    properties:
+      port:
+        description: reflect the default MySQL server port
+        type: integer # AIRA NOTE: missing in spec
+        default: 3306
+      root_password:
+        # MySQL requires a root_password for configuration
+        # Override parent DBMS definition to make this property required
+        type: string # AIRA NOTE: missing in spec
+        required: true
+    capabilities:
+      # Further constrain the 'host' capability to only allow MySQL databases
+      host:
+        type: tosca.capabilities.Container # ARIA NOTE: missing in spec
+        valid_source_types: [ tosca.nodes.Database.MySQL ] 
+
+  tosca.nodes.WebServer.Apache:
+    _extensions:
+      specification: tosca-simple-1.0
+      specification_section: 8.3.3
+    derived_from: tosca.nodes.WebServer
+
+  tosca.nodes.WebApplication.WordPress:
+    _extensions:
+      specification: tosca-simple-1.0
+      specification_section: 8.3.4
+    derived_from: tosca.nodes.WebApplication
+    properties:
+      admin_user:
+        type: string
+        required: false # ARIA NOTE: missing in spec
+      admin_password:
+        type: string
+        required: false # ARIA NOTE: missing in spec
+      db_host:
+        type: string
+        required: false # ARIA NOTE: missing in spec
+    requirements:
+      - database_endpoint:
+          capability: tosca.capabilities.Endpoint.Database  
+          node: tosca.nodes.Database
+          relationship: tosca.relationships.ConnectsTo
+
+  tosca.nodes.WebServer.Nodejs:
+    _extensions:
+      specification: tosca-simple-1.0
+      specification_section: 8.3.5
+    derived_from: tosca.nodes.WebServer
+    properties:
+      # Property to supply the desired implementation in the Github repository
+      github_url:
+        required: no
+        type: string
+        description: location of the application on the github.
+        default: https://github.com/mmm/testnode.git
+    interfaces:
+      Standard:
+        inputs:
+          github_url:
+            type: string
+
+  tosca.nodes.Container.Application.Docker:
+    _extensions:
+      specification: tosca-simple-1.0
+      specification_section: 8.3.6
+    derived_from: tosca.nodes.Container.Application
+    requirements:
+      - host:
+          capability: tosca.capabilities.Container.Docker
+      - database_link: # ARIA NOTE: missing in spec
+          capability: tosca.capabilities.Docker.Link

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/object-storage-1/object-storage-1.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/object-storage-1/object-storage-1.yaml b/examples/tosca-simple-1.0/use-cases/object-storage-1/object-storage-1.yaml
new file mode 100644
index 0000000..c55a4db
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/object-storage-1/object-storage-1.yaml
@@ -0,0 +1,24 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+    TOSCA template for creating an object storage service.
+
+metadata:
+  template_name: object-storage-1
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+topology_template:
+
+  inputs:
+    objectstore_name:
+      type: string
+
+  node_templates:
+
+    obj_store_server:
+      type: tosca.nodes.ObjectStorage
+      properties:
+        name: { get_input: objectstore_name }
+        size: 4096 MB
+        maxsize: 20 GB

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/software-component-1/software-component-1.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/software-component-1/software-component-1.yaml b/examples/tosca-simple-1.0/use-cases/software-component-1/software-component-1.yaml
new file mode 100644
index 0000000..fc1cfd7
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/software-component-1/software-component-1.yaml
@@ -0,0 +1,54 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA Simple Profile with a SoftwareComponent node with a declared Virtual machine (VM) deployment
+  artifact that automatically deploys to its host Compute node.
+
+metadata:
+  template_name: software-component-1
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+imports:
+  - ../non-normative-types.yaml
+
+topology_template:
+
+  # ARIA NOTE: missing in spec
+  inputs:
+    cpus:
+      type: integer
+      description: Number of CPUs for the server.
+      constraints:
+        - valid_values: [ 1, 2, 4, 8 ]
+
+  node_templates:
+
+    my_virtual_machine:
+      type: SoftwareComponent
+      artifacts:
+        my_vm_image:
+          file: images/fedora-18-x86_64.qcow2
+          type: tosca.artifacts.Deployment.Image.VM.QCOW2
+      requirements:
+        - host: my_server
+      # Automatically deploy the VM image referenced on the create operation
+      interfaces:
+        Standard:
+          create: my_vm_image
+
+    # Compute instance with no Operating System guest host
+    my_server:
+      type: Compute
+      capabilities:
+        # Note: no guest OperatingSystem requirements as these are in the image.
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 4 GB
+
+  outputs:
+    private_ip:
+      description: The private IP address of the deployed server instance.
+      value: { get_attribute: [ my_server, private_address ] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/webserver-dbms-1/webserver-dbms-1.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/webserver-dbms-1/webserver-dbms-1.yaml b/examples/tosca-simple-1.0/use-cases/webserver-dbms-1/webserver-dbms-1.yaml
new file mode 100644
index 0000000..faf109d
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/webserver-dbms-1/webserver-dbms-1.yaml
@@ -0,0 +1,122 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with WordPress, a web server, a MySQL DBMS hosting the application's database
+  content on the same server. Does not have input defaults or constraints.
+
+metadata:
+  template_name: webserver-dbms-1
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+imports:
+  - ../non-normative-types.yaml
+
+topology_template:
+
+  inputs:
+    cpus:
+      type: integer
+      description: Number of CPUs for the server.
+    db_name:
+      type: string
+      description: The name of the database.
+    db_user:
+      type: string
+      description: The username of the DB user.
+    db_pwd:
+      type: string
+      description: The WordPress database admin account password.
+    db_root_pwd:
+      type: string
+      description: Root password for MySQL.
+    db_port:
+      type: PortDef
+      description: Port for the MySQL database
+    # ARIA NOTE: missing in spec
+    context_root:
+      type: string
+      description: Context root for WordPress.
+
+  node_templates:
+
+    wordpress:
+      type: tosca.nodes.WebApplication.WordPress
+      properties:
+        context_root: { get_input: context_root }
+      requirements:
+        - host: webserver
+        - database_endpoint: mysql_database
+      interfaces:
+        Standard:
+          create: wordpress_install.sh
+          configure:
+            implementation: wordpress_configure.sh           
+            inputs:
+              wp_db_name: { get_property: [ mysql_database, name ] }
+              wp_db_user: { get_property: [ mysql_database, user ] }
+              wp_db_password: { get_property: [ mysql_database, password ] }  
+              # In my own template, find requirement/capability, find port property
+              wp_db_port: { get_property: [ SELF, database_endpoint, port ] }
+
+    mysql_database:
+      type: Database
+      properties:
+        name: { get_input: db_name }
+        user: { get_input: db_user }
+        password: { get_input: db_pwd }
+        port: { get_input: db_port }
+      capabilities:
+        database_endpoint:
+          properties:
+            port: { get_input: db_port }
+      requirements:
+        - host: mysql_dbms
+      interfaces:
+        Standard:
+          configure: mysql_database_configure.sh
+
+    mysql_dbms:
+      type: DBMS
+      properties:
+        root_password: { get_input: db_root_pwd }
+        port: { get_input: db_port }
+      requirements:
+        - host: server
+      interfaces:
+        Standard:
+          # ARIA NOTE: not declared in spec              
+          #inputs:
+          #  db_root_password: { get_property: [ mysql_dbms, root_password ] }
+          create: mysql_dbms_install.sh
+          start: mysql_dbms_start.sh
+          configure: mysql_dbms_configure.sh
+
+    webserver:
+      type: WebServer
+      requirements:
+        - host: server
+      interfaces:
+        Standard:
+          create: webserver_install.sh
+          start: webserver_start.sh
+
+    server:
+      type: Compute
+      capabilities:
+        host:
+          properties:
+            disk_size: 10 GB
+            num_cpus: { get_input: cpus }
+            mem_size: 4096 MB
+        os:
+          properties:
+            architecture: x86_64
+            type: linux 
+            distribution: fedora 
+            version: 17.0
+
+  outputs:
+    website_url:
+      description: URL for Wordpress wiki.
+      value: { get_attribute: [ server, public_address ] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/webserver-dbms-2/custom_types/paypalpizzastore_nodejs_app.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/webserver-dbms-2/custom_types/paypalpizzastore_nodejs_app.yaml b/examples/tosca-simple-1.0/use-cases/webserver-dbms-2/custom_types/paypalpizzastore_nodejs_app.yaml
new file mode 100644
index 0000000..4723a3f
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/webserver-dbms-2/custom_types/paypalpizzastore_nodejs_app.yaml
@@ -0,0 +1,15 @@
+# ARIA NOTE: missing in spec
+
+node_types:
+
+  tosca.nodes.WebApplication.PayPalPizzaStore:
+    derived_from: tosca.nodes.WebApplication
+    properties:
+      github_url:
+        type: string
+    requirements:
+      - database_connection:
+          capability: tosca.capabilities.Container
+
+  tosca.nodes.WebServer.Nodejs:
+    derived_from: tosca.nodes.WebServer

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/examples/tosca-simple-1.0/use-cases/webserver-dbms-2/webserver-dbms-2.yaml
----------------------------------------------------------------------
diff --git a/examples/tosca-simple-1.0/use-cases/webserver-dbms-2/webserver-dbms-2.yaml b/examples/tosca-simple-1.0/use-cases/webserver-dbms-2/webserver-dbms-2.yaml
new file mode 100644
index 0000000..66eab8e
--- /dev/null
+++ b/examples/tosca-simple-1.0/use-cases/webserver-dbms-2/webserver-dbms-2.yaml
@@ -0,0 +1,115 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+  TOSCA simple profile with a nodejs web server hosting a PayPal sample application which connects
+  to a mongodb database.
+
+metadata:
+  template_name: webserver-dbms-2
+  template_author: TOSCA Simple Profile in YAML
+  template_version: '1.0'
+
+imports:
+  - custom_types/paypalpizzastore_nodejs_app.yaml
+
+dsl_definitions:
+
+  ubuntu_node: &ubuntu_node
+    disk_size: 10 GB
+    num_cpus: { get_input: my_cpus }
+    mem_size: 4096 MB
+  os_capabilities: &os_capabilities
+    architecture: x86_64
+    type: Linux
+    distribution: Ubuntu
+    version: 14.04
+
+topology_template:
+
+  inputs:
+    my_cpus:
+      type: integer
+      description: Number of CPUs for the server.
+      constraints:
+        - valid_values: [ 1, 2, 4, 8 ]
+      default: 1
+    github_url:
+      type: string
+      description: The URL to download nodejs.
+      default:  https://github.com/sample.git
+
+  node_templates:
+
+    paypal_pizzastore:
+      type: tosca.nodes.WebApplication.PayPalPizzaStore
+      properties:
+          github_url: { get_input: github_url }
+      requirements:
+        - host: nodejs
+        - database_connection: mongo_db
+      interfaces:
+        Standard:
+           configure:
+             implementation: scripts/nodejs/configure.sh
+             inputs:
+               github_url: { get_property: [ SELF, github_url ] }
+               mongodb_ip: { get_attribute: [mongo_server, private_address] }
+           start: scripts/nodejs/start.sh
+
+    nodejs:
+      type: tosca.nodes.WebServer.Nodejs
+      requirements:
+        - host: app_server
+      interfaces:
+        Standard:
+          create: scripts/nodejs/create.sh
+
+    mongo_db:
+      type: tosca.nodes.Database
+      properties:
+        name: 'pizzastore' # ARIA NOTE: missing in spec
+      requirements:
+        - host: mongo_dbms
+      interfaces:
+        Standard:
+         create: create_database.sh
+
+    mongo_dbms:
+      type: tosca.nodes.DBMS
+      requirements:
+        - host: mongo_server
+      properties:
+        port: 27017
+      interfaces:
+        Standard: # ARIA NOTE: mistaken in spec
+          create: mongodb/create.sh
+          configure:
+            implementation: mongodb/config.sh
+            inputs:
+              mongodb_ip: { get_attribute: [mongo_server, private_address] }
+          start: mongodb/start.sh
+
+    mongo_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        os:
+          properties: *os_capabilities
+        host:
+          properties: *ubuntu_node
+
+    app_server:
+      type: tosca.nodes.Compute
+      capabilities:
+        os:
+          properties: *os_capabilities
+        host:
+          properties: *ubuntu_node
+
+  outputs:
+
+    nodejs_url:
+      description: URL for the nodejs server, http://<IP>:3000
+      value: { get_attribute: [app_server, private_address] }
+    mongodb_url:
+      description: URL for the mongodb server.
+      value: { get_attribute: [ mongo_server, private_address ] }

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/artifacts.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/artifacts.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/artifacts.yaml
index ef9e5f2..af99340 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/artifacts.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/artifacts.yaml
@@ -17,7 +17,7 @@ artifact_types:
 
   tosca.artifacts.Root:
     _extensions:
-      shorthand_name: Root # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Root # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Root
       specification: tosca-simple-1.0
       specification_section: 5.3.1
@@ -41,7 +41,7 @@ artifact_types:
   
   tosca.artifacts.Deployment:
     _extensions:
-      shorthand_name: Deployment # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Deployment # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Deployment
       specification: tosca-simple-1.0
       specification_section: 5.3.3.1
@@ -67,7 +67,7 @@ artifact_types:
   
   tosca.artifacts.Deployment.Image.VM:
     _extensions:
-      shorthand_name: Deployment.VM # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Deployment.VM # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Deployment.VM
       specification: tosca-simple-1.0
       specification_section: 5.3.3.4
@@ -85,7 +85,7 @@ artifact_types:
   
   tosca.artifacts.Implementation:
     _extensions:
-      shorthand_name: Implementation # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Implementation # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Implementation
       specification: tosca-simple-1.0
       specification_section: 5.3.4.1
@@ -97,7 +97,7 @@ artifact_types:
   
   tosca.artifacts.Implementation.Bash:
     _extensions:
-      shorthand_name: Implementation.Bash # mistake in spec? shouldn't we have "Implementation." as prefix?
+      shorthand_name: Implementation.Bash # ARIA NOTE: mistake in spec? shouldn't we have "Implementation." as prefix?
       type_qualified_name: tosca:Implementation.Bash
       specification: tosca-simple-1.0
       specification_section: 5.3.4.3
@@ -109,7 +109,7 @@ artifact_types:
   
   tosca.artifacts.Implementation.Python:
     _extensions:
-      shorthand_name: Implementation.Python # mistake in spec? shouldn't we have "Implementation." as prefix?
+      shorthand_name: Implementation.Python # ARIA NOTE: mistake in spec? shouldn't we have "Implementation." as prefix?
       type_qualified_name: tosca:Implementation.Python
       specification: tosca-simple-1.0
       specification_section: 5.3.4.4

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/capabilities.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/capabilities.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/capabilities.yaml
index 2578799..72f6f0e 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/capabilities.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/capabilities.yaml
@@ -17,7 +17,7 @@ capability_types:
 
   tosca.capabilities.Root:
     _extensions:
-      shorthand_name: Root # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Root # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Root
       specification: tosca-simple-1.0
       specification_section: 5.4.1
@@ -296,7 +296,7 @@ capability_types:
 
   tosca.capabilities.network.Bindable:
     _extensions:
-      shorthand_name: Bindable # mistake in spec? has "network." as a prefix 
+      shorthand_name: Bindable # ARIA NOTE: mistake in spec? has "network." as a prefix 
       type_qualified_name: tosca:Bindable
       specification: tosca-simple-1.0
       specification_section: 5.4.11

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/data.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/data.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/data.yaml
index ef787b7..5210aa0 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/data.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/data.yaml
@@ -95,7 +95,7 @@ data_types:
 
   tosca.datatypes.Root:
     _extensions:
-      shorthand_name: Root # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Root # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Root
       specification: tosca-simple-1.0
       specification_section: 5.2.1
@@ -220,7 +220,7 @@ data_types:
       specification_url: 'http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.0/cos01/TOSCA-Simple-Profile-YAML-v1.0-cos01.html#TYPE_TOSCA_DATA_PORTDEF'
     description: >-
       The PortDef type is a TOSCA data Type used to define a network port.
-    derived_from: integer # ARIA allows deriving from primitives; it's unclear if the TOSCA spec does
+    derived_from: integer # ARIA NOTE: we allow deriving from primitives
     constraints:
       - in_range: [ 1, 65535 ]
 

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/groups.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/groups.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/groups.yaml
index a252a7c..31cfc55 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/groups.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/groups.yaml
@@ -17,7 +17,7 @@ group_types:
 
   tosca.groups.Root:
     _extensions:
-      shorthand_name: Root # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Root # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Root
       specification: tosca-simple-1.0
       specification_section: 5.9.1

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/interfaces.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/interfaces.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/interfaces.yaml
index dd84d43..de1d34f 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/interfaces.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/interfaces.yaml
@@ -17,7 +17,7 @@ interface_types:
 
   tosca.interfaces.Root:
     _extensions:
-      shorthand_name: Root # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Root # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Root
       specification: tosca-simple-1.0
       specification_section: 5.7.3

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/nodes.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/nodes.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/nodes.yaml
index 2d1b407..414a388 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/nodes.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/nodes.yaml
@@ -126,7 +126,7 @@ node_types:
         description: >-
           The Floating (IP) client's on the public network can connect to.
         type: tosca.capabilities.Endpoint.Public
-        occurrences: [ 0, UNBOUNDED ] # Note: it seems unnecessary to specify this, as it is the implied default
+        occurrences: [ 0, UNBOUNDED ] # ARIA NOTE: it seems unnecessary to specify this, as it is the implied default
     requirements:
       - application:
           capability: tosca.capabilities.Endpoint
@@ -195,7 +195,7 @@ node_types:
     description: >-
       The TOSCA WebApplication node represents a software application that can be managed and run by a TOSCA WebServer node.
       Specific types of web applications such as Java, etc. could be derived from this type.
-    derived_from: tosca.nodes.SoftwareComponent # the spec says tosca.nodes.Root, but this seems to be a mistake
+    derived_from: tosca.nodes.SoftwareComponent # ARIA NOTE: the spec says tosca.nodes.Root
     properties:
       context_root:
         description: >-
@@ -213,7 +213,7 @@ node_types:
   
   tosca.nodes.DBMS:
     _extensions:
-      shorthand_name: DBMS # ommitted in the spec (seems to be a mistake)
+      shorthand_name: DBMS # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:DBMS
       specification: tosca-simple-1.0
       specification_section: 5.8.6
@@ -246,7 +246,7 @@ node_types:
       specification_url: 'http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.0/cos01/TOSCA-Simple-Profile-YAML-v1.0-cos01.html#DEFN_TYPE_NODES_DATABASE'
     description: >-
       The TOSCA Database node represents a logical database that can be managed and hosted by a TOSCA DBMS node.
-    derived_from: tosca.nodes.Root # note, it's *not* a SoftwareComponent
+    derived_from: tosca.nodes.Root # ARIA NOTE: it's *not* a SoftwareComponent
     properties:
       name:
         description: >-
@@ -310,7 +310,8 @@ node_types:
     requirements:
       - host:
           capability: tosca.capabilities.Container
-          #node: tosca.nodes.Container # seems to be a mistake in the spec
+          # ARIA NOTE: seems a mistake in the spec
+          #node: tosca.nodes.Container
           relationship: tosca.relationships.HostedOn
 
   #

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/policies.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/policies.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/policies.yaml
index d840b14..015d2b0 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/policies.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/policies.yaml
@@ -17,7 +17,7 @@ policy_types:
 
   tosca.policies.Root:
     _extensions:
-      shorthand_name: Root # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Root # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Root
       specification: tosca-simple-1.0
       specification_section: 5.10.1
@@ -27,7 +27,7 @@ policy_types:
   
   tosca.policies.Placement:
     _extensions:
-      shorthand_name: Placement # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Placement # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Placement
       specification: tosca-simple-1.0
       specification_section: 5.10.2
@@ -38,7 +38,7 @@ policy_types:
   
   tosca.policies.Scaling:
     _extensions:
-      shorthand_name: Scaling # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Scaling # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Scaling
       specification: tosca-simple-1.0
       specification_section: 5.10.3
@@ -49,7 +49,7 @@ policy_types:
   
   tosca.policies.Update:
     _extensions:
-      shorthand_name: Update # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Update # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Update
       specification: tosca-simple-1.0
       specification_section: 5.10.4
@@ -60,7 +60,7 @@ policy_types:
   
   tosca.policies.Performance:
     _extensions:
-      shorthand_name: Performance # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Performance # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Performance
       specification: tosca-simple-1.0
       specification_section: 5.10.5

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/relationships.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/relationships.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/relationships.yaml
index 212ccfa..6ea4d12 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/relationships.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-1.0/relationships.yaml
@@ -17,7 +17,7 @@ relationship_types:
 
   tosca.relationships.Root:
     _extensions:
-      shorthand_name: Root # ommitted in the spec (seems to be a mistake)
+      shorthand_name: Root # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:Root
       specification: tosca-simple-1.0
       specification_section: 5.6.1
@@ -147,7 +147,7 @@ relationship_types:
   
   tosca.relationships.network.BindsTo:
     _extensions:
-      shorthand_name: network.BindsTo # mistake in spec? this seems different than the usual shorthand convention
+      shorthand_name: BindsTo # ARIA NOTE: the spec says "network.BindsTo" which seems wrong
       type_qualified_name: tosca:BindsTo
       specification: tosca-simple-1.0
       specification_section: 7.5.5

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/capabilities.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/capabilities.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/capabilities.yaml
index 7be18a6..6bc6b67 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/capabilities.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/capabilities.yaml
@@ -35,7 +35,8 @@ capability_types:
           * any page size maps to system default
           * custom MB value: sets TLB size to this specific value
         type: string
-        #constraints: # seems wrong in the spec
+        # ARIA NOTE: seems wrong in the spec
+        #constraints:
         #  - [ normal, huge ]
       cpu_allocation:
         description: >-

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/data.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/data.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/data.yaml
index 97467ba..89e3565 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/data.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/data.yaml
@@ -57,7 +57,7 @@ data_types:
 
   tosca.datatypes.compute.Container.Architecture.NUMA:
     _extensions:
-      shorthand_name: Container.Architecture.NUMA # seems to be a mistake in the spec; the norm is to add a "Container.Architecture." prefix
+      shorthand_name: Container.Architecture.NUMA # ARIA NOTE: seems to be a mistake in the spec; the norm is to add a "Container.Architecture." prefix
       type_qualified_name: tosca:Container.Architecture.NUMA
       specification: tosca-simple-nfv-1.0
       specification_section: 8.3.2

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/groups.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/groups.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/groups.yaml
index 4a01519..5eb87c8 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/groups.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/groups.yaml
@@ -17,7 +17,7 @@ group_types:
 
   tosca.groups.nfv.VNFFG:
     _extensions:
-      shorthand_name: VNFFG # the spec must be mistaken here, says "VL"
+      shorthand_name: VNFFG # ARIA NOTE: the spec must be mistaken here, says "VL"
       type_qualified_name: tosca:VNFFG
       specification: tosca-simple-nfv-1.0
       specification_section: 10.6.1

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/nodes.yaml
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/nodes.yaml b/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/nodes.yaml
index 5b9a653..0dfe38d 100644
--- a/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/nodes.yaml
+++ b/extensions/aria_extension_tosca/profiles/tosca-simple-nfv-1.0/nodes.yaml
@@ -17,7 +17,7 @@ node_types:
 
   tosca.nodes.nfv.VNF:
     _extensions:
-      shorthand_name: VNF # ommitted in the spec (seems to be a mistake)
+      shorthand_name: VNF # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:VNF
       specification: tosca-simple-nfv-1.0
       specification_section: 8.5.1
@@ -103,7 +103,7 @@ node_types:
 
   tosca.nodes.nfv.FP:
     _extensions:
-      shorthand_name: FP # the spec must be mistaken here, says "VL"
+      shorthand_name: FP # ARIA NOTE: the spec must be mistaken here, says "VL"
       type_qualified_name: tosca:FP
       specification: tosca-simple-nfv-1.0
       specification_section: 10.5.1
@@ -147,7 +147,7 @@ node_types:
 
   tosca.nodes.nfv.VL.ELine:
     _extensions:
-      shorthand_name: VL.ELine # ommitted in the spec (seems to be a mistake)
+      shorthand_name: VL.ELine # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:VL.ELine
       specification: tosca-simple-nfv-1.0
       specification_section: 9.2
@@ -158,11 +158,11 @@ node_types:
     capabilities:
       virtual_linkable:
         type: tosca.capabilities.nfv.VirtualLinkable
-        occurrences: [ 2, UNBOUNDED ] # the spec is wrong here, must be a range
+        occurrences: [ 2, UNBOUNDED ] # ARIA NOTE: the spec is wrong here, must be a range
 
   tosca.nodes.nfv.VL.ELAN:
     _extensions:
-      shorthand_name: VL.ELAN # ommitted in the spec (seems to be a mistake)
+      shorthand_name: VL.ELAN # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:VL.ELAN
       specification: tosca-simple-nfv-1.0
       specification_section: 9.3
@@ -173,7 +173,7 @@ node_types:
 
   tosca.nodes.nfv.VL.ETree:
     _extensions:
-      shorthand_name: VL.ETree # ommitted in the spec (seems to be a mistake)
+      shorthand_name: VL.ETree # ARIA NOTE: ommitted in the spec
       type_qualified_name: tosca:VL.ETree
       specification: tosca-simple-nfv-1.0
       specification_section: 9.4

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/feda8aef/extensions/aria_extension_tosca/simple_v1_0/assignments.py
----------------------------------------------------------------------
diff --git a/extensions/aria_extension_tosca/simple_v1_0/assignments.py b/extensions/aria_extension_tosca/simple_v1_0/assignments.py
index 14fee96..2a39ed9 100644
--- a/extensions/aria_extension_tosca/simple_v1_0/assignments.py
+++ b/extensions/aria_extension_tosca/simple_v1_0/assignments.py
@@ -232,7 +232,7 @@ class RequirementAssignment(ExtensiblePresentation):
         * Relationship Type that the provider will use to select a type-compatible relationship
           template to relate the source node to the target node at runtime.
 
-        :rtype: :class:`RequirementRelationshipAssignment`
+        :rtype: :class:`RelationshipAssignment`
         """
 
     @field_validator(node_filter_validator)