Add bi-directional GRPC python executor.

Python based bidirectional communication script executor microservice.

Issue-ID: CCSDK-1747
Signed-off-by: Brinda Santh <bs2796@att.com>
Change-Id: If2e8f862ca4cb97d10714df2ab1cccccef2d576a

10 files changed, 909 insertions, 0 deletions

diff --git a/ms/py-executor/blueprints_grpc/__init__.py b/ms/py-executor/blueprints_grpc/__init__.py
new file mode 100644
index 000000000..726849f2d
--- /dev/null
+++ b/ms/py-executor/blueprints_grpc/__init__.py
@@ -0,0 +1,19 @@
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+from .proto.BluePrintCommon_pb2 import *
+from .proto.BluePrintProcessing_pb2 import *
+from .script_executor_configuration import *
+from .executor_utils import *
+from .blueprint_processing_server import *
\ No newline at end of file
diff --git a/ms/py-executor/blueprints_grpc/blueprint_processing_server.py b/ms/py-executor/blueprints_grpc/blueprint_processing_server.py
new file mode 100644
index 000000000..0c432d4cd
--- /dev/null
+++ b/ms/py-executor/blueprints_grpc/blueprint_processing_server.py
@@ -0,0 +1,49 @@
+#!/usr/bin/python
+#
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import logging
+from google.protobuf.json_format import MessageToJson
+from .proto import BluePrintProcessing_pb2_grpc as BluePrintProcessing_pb2_grpc
+from .script_executor_configuration import ScriptExecutorConfiguration
+from .executor_utils import instance_for_input
+
+
+class AbstractScriptFunction:
+
+    def set_context(self, context):
+        self.context = context
+
+    def process(self, request):
+        pass
+
+    def recover(self, runtime_exception, execution_request):
+        pass
+
+
+class BluePrintProcessingServer(BluePrintProcessing_pb2_grpc.BluePrintProcessingServiceServicer):
+
+    def __init__(self, configuration: ScriptExecutorConfiguration):
+        self.logger = logging.getLogger(self.__class__.__name__)
+        self.configuration = configuration
+
+    def process(self, request_iterator, context):
+        for request in request_iterator:
+            jsonObj = MessageToJson(request.payload)
+            self.logger.info(jsonObj)
+            # Get the Dynamic Process Instance based on request
+            instance: AbstractScriptFunction = instance_for_input(self.configuration, request)
+            instance.set_context(context)
+            return instance.process(request)
diff --git a/ms/py-executor/blueprints_grpc/executor_utils.py b/ms/py-executor/blueprints_grpc/executor_utils.py
new file mode 100644
index 000000000..224e35ef9
--- /dev/null
+++ b/ms/py-executor/blueprints_grpc/executor_utils.py
@@ -0,0 +1,138 @@
+#!/usr/bin/python
+#
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+from google.protobuf.timestamp_pb2 import Timestamp
+from google.protobuf import struct_pb2
+from google.protobuf import json_format
+import sys, importlib, importlib.util, json, time, datetime
+import logging
+from .proto.BluePrintProcessing_pb2 import ExecutionServiceInput, ExecutionServiceOutput
+from .proto.BluePrintCommon_pb2 import Status, EVENT_COMPONENT_TRACE, EVENT_COMPONENT_PROCESSING, \
+    EVENT_COMPONENT_EXECUTED, EVENT_COMPONENT_NOTIFICATION
+from .script_executor_configuration import ScriptExecutorConfiguration
+
+logger = logging.getLogger("Utils")
+
+
+def current_time():
+    ts = time.time()
+    return datetime.datetime.fromtimestamp(ts).strftime("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'")
+
+
+def blueprint_id(input: ExecutionServiceInput):
+    blueprint_name = input.actionIdentifiers.blueprintName
+    blueprint_version = input.actionIdentifiers.blueprintVersion
+    return blueprint_name + '/' + blueprint_version
+
+
+def blueprint_location(config: ScriptExecutorConfiguration, input: ExecutionServiceInput):
+    blueprint_name = input.actionIdentifiers.blueprintName
+    blueprint_version = input.actionIdentifiers.blueprintVersion
+    return config.blueprints_processor('blueprintDeployPath') + '/' + blueprint_name + '/' + blueprint_version
+
+
+def instance_for_input(config: ScriptExecutorConfiguration, input: ExecutionServiceInput):
+    blueprint_name = input.actionIdentifiers.blueprintName
+    blueprint_version = input.actionIdentifiers.blueprintVersion
+    action_name = input.actionIdentifiers.actionName
+    # Get Blueprint python script location
+    script_location = blueprint_location(config, input) + '/' + 'Scripts/python/__init__.py'
+    logger.info(script_location)
+
+    # Create Dynamic Module Name
+    module_name = blueprint_name + '-' + blueprint_version
+    spec = importlib.util.spec_from_file_location(module_name, script_location)
+    logger.info(spec)
+    dynamic_module = importlib.util.module_from_spec(spec)
+    # Add blueprint modules
+    sys.modules[spec.name] = dynamic_module
+    spec.loader.exec_module(dynamic_module)
+    script_clazz = getattr(dynamic_module, action_name)
+    return script_clazz()
+
+
+def log_response(input: ExecutionServiceInput, message: str):
+    payload = struct_pb2.Struct()
+    payload['message'] = message
+    status = Status()
+    status.timestamp = current_time()
+    status.eventType = EVENT_COMPONENT_TRACE
+    return ExecutionServiceOutput(commonHeader=input.commonHeader,
+                                  actionIdentifiers=input.actionIdentifiers,
+                                  payload=payload, status=status)
+
+
+def send_notification(input: ExecutionServiceInput, message: str):
+    payload = struct_pb2.Struct()
+    payload['message'] = message
+    status = Status()
+    status.timestamp = current_time()
+    status.eventType = EVENT_COMPONENT_NOTIFICATION
+    return ExecutionServiceOutput(commonHeader=input.commonHeader,
+                                  actionIdentifiers=input.actionIdentifiers,
+                                  payload=payload, status=status)
+
+
+def ack_response(input: ExecutionServiceInput):
+    timestamp = Timestamp()
+    timestamp.GetCurrentTime()
+    response_common_header = input.commonHeader
+    status = Status()
+    status.timestamp = current_time()
+    status.eventType = EVENT_COMPONENT_PROCESSING
+    return ExecutionServiceOutput(commonHeader=response_common_header,
+                                  actionIdentifiers=input.actionIdentifiers,
+                                  status=status)
+
+
+def success_response(input: ExecutionServiceInput, property_json: json, code: int):
+    timestamp = Timestamp()
+    timestamp.GetCurrentTime()
+    status = Status()
+    status.timestamp = current_time()
+    status.eventType = EVENT_COMPONENT_EXECUTED
+    status.code = code
+    status.message = 'success'
+    payload_struct = create_response_payload_from_json(input.actionIdentifiers.actionName, property_json)
+    return ExecutionServiceOutput(commonHeader=input.commonHeader,
+                                  actionIdentifiers=input.actionIdentifiers, status=status, payload=payload_struct)
+
+
+def failure_response(input: ExecutionServiceInput, property_json: json, error_code: int,
+                     error_message: str):
+    timestamp = Timestamp()
+    timestamp.GetCurrentTime()
+    status = Status()
+    status.timestamp = current_time()
+    status.eventType = EVENT_COMPONENT_EXECUTED
+    status.code = error_code
+    status.message = 'failure'
+    payload_struct = create_response_payload_from_json(input.actionIdentifiers.actionName, property_json)
+    status.errorMessage = error_message
+    return ExecutionServiceOutput(commonHeader=input.commonHeader,
+                                  actionIdentifiers=input.actionIdentifiers, status=status, payload=payload_struct)
+
+
+def create_response_payload_from_json(action_name, property_json: json):
+    # Create response Pay load json from property Json
+    payload_key = action_name + '-response'
+    response_payload = {}
+    response_payload[payload_key] = property_json
+    response_payload_json = json.dumps(response_payload)
+    # Create Struct from Json
+    payload_struct = struct_pb2.Struct()
+    json_format.Parse(str(response_payload_json), payload_struct, ignore_unknown_fields=True)
+    return payload_struct
diff --git a/ms/py-executor/blueprints_grpc/proto/BluePrintCommon_pb2.py b/ms/py-executor/blueprints_grpc/proto/BluePrintCommon_pb2.py
new file mode 100644
index 000000000..db78b2b48
--- /dev/null
+++ b/ms/py-executor/blueprints_grpc/proto/BluePrintCommon_pb2.py
@@ -0,0 +1,331 @@
+# -*- coding: utf-8 -*-
+
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  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.
+
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: BluePrintCommon.proto
+
+import sys
+_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
+from google.protobuf.internal import enum_type_wrapper
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from google.protobuf import reflection as _reflection
+from google.protobuf import symbol_database as _symbol_database
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='BluePrintCommon.proto',
+  package='org.onap.ccsdk.cds.controllerblueprints.common.api',
+  syntax='proto3',
+  serialized_options=_b('P\001'),
+  serialized_pb=_b('\n\x15\x42luePrintCommon.proto\x12\x32org.onap.ccsdk.cds.controllerblueprints.common.api\"\xa8\x01\n\x0c\x43ommonHeader\x12\x11\n\ttimestamp\x18\x01 \x01(\t\x12\x14\n\x0coriginatorId\x18\x17 \x01(\t\x12\x11\n\trequestId\x18\x03 \x01(\t\x12\x14\n\x0csubRequestId\x18\x04 \x01(\t\x12\x46\n\x04\x66lag\x18\x05 \x01(\x0b\x32\x38.org.onap.ccsdk.cds.controllerblueprints.common.api.Flag\"$\n\x04\x46lag\x12\x0f\n\x07isForce\x18\x01 \x01(\x08\x12\x0b\n\x03ttl\x18\x02 \x01(\x05\"f\n\x11\x41\x63tionIdentifiers\x12\x15\n\rblueprintName\x18\x01 \x01(\t\x12\x18\n\x10\x62lueprintVersion\x18\x02 \x01(\t\x12\x12\n\nactionName\x18\x03 \x01(\t\x12\x0c\n\x04mode\x18\x04 \x01(\t\"\xa2\x01\n\x06Status\x12\x0c\n\x04\x63ode\x18\x01 \x01(\x05\x12\x14\n\x0c\x65rrorMessage\x18\x02 \x01(\t\x12\x0f\n\x07message\x18\x03 \x01(\t\x12P\n\teventType\x18\x04 \x01(\x0e\x32=.org.onap.ccsdk.cds.controllerblueprints.common.api.EventType\x12\x11\n\ttimestamp\x18\x05 \x01(\t*\xa3\x01\n\tEventType\x12\x1b\n\x17\x45VENT_COMPONENT_FAILURE\x10\x00\x12\x1e\n\x1a\x45VENT_COMPONENT_PROCESSING\x10\x01\x12 \n\x1c\x45VENT_COMPONENT_NOTIFICATION\x10\x02\x12\x1c\n\x18\x45VENT_COMPONENT_EXECUTED\x10\x03\x12\x19\n\x15\x45VENT_COMPONENT_TRACE\x10\x04\x42\x02P\x01\x62\x06proto3')
+)
+
+_EVENTTYPE = _descriptor.EnumDescriptor(
+  name='EventType',
+  full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.EventType',
+  filename=None,
+  file=DESCRIPTOR,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='EVENT_COMPONENT_FAILURE', index=0, number=0,
+      serialized_options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='EVENT_COMPONENT_PROCESSING', index=1, number=1,
+      serialized_options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='EVENT_COMPONENT_NOTIFICATION', index=2, number=2,
+      serialized_options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='EVENT_COMPONENT_EXECUTED', index=3, number=3,
+      serialized_options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='EVENT_COMPONENT_TRACE', index=4, number=4,
+      serialized_options=None,
+      type=None),
+  ],
+  containing_type=None,
+  serialized_options=None,
+  serialized_start=556,
+  serialized_end=719,
+)
+_sym_db.RegisterEnumDescriptor(_EVENTTYPE)
+
+EventType = enum_type_wrapper.EnumTypeWrapper(_EVENTTYPE)
+EVENT_COMPONENT_FAILURE = 0
+EVENT_COMPONENT_PROCESSING = 1
+EVENT_COMPONENT_NOTIFICATION = 2
+EVENT_COMPONENT_EXECUTED = 3
+EVENT_COMPONENT_TRACE = 4
+
+
+
+_COMMONHEADER = _descriptor.Descriptor(
+  name='CommonHeader',
+  full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='timestamp', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader.timestamp', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='originatorId', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader.originatorId', index=1,
+      number=23, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='requestId', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader.requestId', index=2,
+      number=3, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='subRequestId', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader.subRequestId', index=3,
+      number=4, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='flag', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader.flag', index=4,
+      number=5, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=78,
+  serialized_end=246,
+)
+
+
+_FLAG = _descriptor.Descriptor(
+  name='Flag',
+  full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.Flag',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='isForce', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.Flag.isForce', index=0,
+      number=1, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='ttl', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.Flag.ttl', index=1,
+      number=2, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=248,
+  serialized_end=284,
+)
+
+
+_ACTIONIDENTIFIERS = _descriptor.Descriptor(
+  name='ActionIdentifiers',
+  full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.ActionIdentifiers',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='blueprintName', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.ActionIdentifiers.blueprintName', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='blueprintVersion', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.ActionIdentifiers.blueprintVersion', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='actionName', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.ActionIdentifiers.actionName', index=2,
+      number=3, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='mode', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.ActionIdentifiers.mode', index=3,
+      number=4, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=286,
+  serialized_end=388,
+)
+
+
+_STATUS = _descriptor.Descriptor(
+  name='Status',
+  full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.Status',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='code', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.Status.code', index=0,
+      number=1, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='errorMessage', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.Status.errorMessage', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='message', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.Status.message', index=2,
+      number=3, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='eventType', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.Status.eventType', index=3,
+      number=4, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='timestamp', full_name='org.onap.ccsdk.cds.controllerblueprints.common.api.Status.timestamp', index=4,
+      number=5, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=391,
+  serialized_end=553,
+)
+
+_COMMONHEADER.fields_by_name['flag'].message_type = _FLAG
+_STATUS.fields_by_name['eventType'].enum_type = _EVENTTYPE
+DESCRIPTOR.message_types_by_name['CommonHeader'] = _COMMONHEADER
+DESCRIPTOR.message_types_by_name['Flag'] = _FLAG
+DESCRIPTOR.message_types_by_name['ActionIdentifiers'] = _ACTIONIDENTIFIERS
+DESCRIPTOR.message_types_by_name['Status'] = _STATUS
+DESCRIPTOR.enum_types_by_name['EventType'] = _EVENTTYPE
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+CommonHeader = _reflection.GeneratedProtocolMessageType('CommonHeader', (_message.Message,), {
+  'DESCRIPTOR' : _COMMONHEADER,
+  '__module__' : 'BluePrintCommon_pb2'
+  # @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader)
+  })
+_sym_db.RegisterMessage(CommonHeader)
+
+Flag = _reflection.GeneratedProtocolMessageType('Flag', (_message.Message,), {
+  'DESCRIPTOR' : _FLAG,
+  '__module__' : 'BluePrintCommon_pb2'
+  # @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.common.api.Flag)
+  })
+_sym_db.RegisterMessage(Flag)
+
+ActionIdentifiers = _reflection.GeneratedProtocolMessageType('ActionIdentifiers', (_message.Message,), {
+  'DESCRIPTOR' : _ACTIONIDENTIFIERS,
+  '__module__' : 'BluePrintCommon_pb2'
+  # @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.common.api.ActionIdentifiers)
+  })
+_sym_db.RegisterMessage(ActionIdentifiers)
+
+Status = _reflection.GeneratedProtocolMessageType('Status', (_message.Message,), {
+  'DESCRIPTOR' : _STATUS,
+  '__module__' : 'BluePrintCommon_pb2'
+  # @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.common.api.Status)
+  })
+_sym_db.RegisterMessage(Status)
+
+
+DESCRIPTOR._options = None
+# @@protoc_insertion_point(module_scope)
diff --git a/ms/py-executor/blueprints_grpc/proto/BluePrintCommon_pb2_grpc.py b/ms/py-executor/blueprints_grpc/proto/BluePrintCommon_pb2_grpc.py
new file mode 100644
index 000000000..0129ff944
--- /dev/null
+++ b/ms/py-executor/blueprints_grpc/proto/BluePrintCommon_pb2_grpc.py
@@ -0,0 +1,17 @@
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  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.
+
+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+import grpc
+
diff --git a/ms/py-executor/blueprints_grpc/proto/BluePrintProcessing_pb2.py b/ms/py-executor/blueprints_grpc/proto/BluePrintProcessing_pb2.py
new file mode 100644
index 000000000..36f8c4155
--- /dev/null
+++ b/ms/py-executor/blueprints_grpc/proto/BluePrintProcessing_pb2.py
@@ -0,0 +1,193 @@
+# -*- coding: utf-8 -*-
+
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  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.
+
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: BluePrintProcessing.proto
+
+import sys
+_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from google.protobuf import reflection as _reflection
+from google.protobuf import symbol_database as _symbol_database
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+from google.protobuf import struct_pb2 as google_dot_protobuf_dot_struct__pb2
+from blueprints_grpc.proto import BluePrintCommon_pb2 as BluePrintCommon__pb2
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='BluePrintProcessing.proto',
+  package='org.onap.ccsdk.cds.controllerblueprints.processing.api',
+  syntax='proto3',
+  serialized_options=_b('P\001'),
+  serialized_pb=_b('\n\x19\x42luePrintProcessing.proto\x12\x36org.onap.ccsdk.cds.controllerblueprints.processing.api\x1a\x1cgoogle/protobuf/struct.proto\x1a\x15\x42luePrintCommon.proto\"\xfb\x01\n\x15\x45xecutionServiceInput\x12V\n\x0c\x63ommonHeader\x18\x01 \x01(\x0b\x32@.org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader\x12`\n\x11\x61\x63tionIdentifiers\x18\x02 \x01(\x0b\x32\x45.org.onap.ccsdk.cds.controllerblueprints.common.api.ActionIdentifiers\x12(\n\x07payload\x18\x03 \x01(\x0b\x32\x17.google.protobuf.Struct\"\xc8\x02\n\x16\x45xecutionServiceOutput\x12V\n\x0c\x63ommonHeader\x18\x01 \x01(\x0b\x32@.org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader\x12`\n\x11\x61\x63tionIdentifiers\x18\x02 \x01(\x0b\x32\x45.org.onap.ccsdk.cds.controllerblueprints.common.api.ActionIdentifiers\x12J\n\x06status\x18\x03 \x01(\x0b\x32:.org.onap.ccsdk.cds.controllerblueprints.common.api.Status\x12(\n\x07payload\x18\x04 \x01(\x0b\x32\x17.google.protobuf.Struct2\xcb\x01\n\x1a\x42luePrintProcessingService\x12\xac\x01\n\x07process\x12M.org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput\x1aN.org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput(\x01\x30\x01\x42\x02P\x01\x62\x06proto3')
+  ,
+  dependencies=[google_dot_protobuf_dot_struct__pb2.DESCRIPTOR,BluePrintCommon__pb2.DESCRIPTOR,])
+
+
+
+
+_EXECUTIONSERVICEINPUT = _descriptor.Descriptor(
+  name='ExecutionServiceInput',
+  full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='commonHeader', full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput.commonHeader', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='actionIdentifiers', full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput.actionIdentifiers', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='payload', full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput.payload', index=2,
+      number=3, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=139,
+  serialized_end=390,
+)
+
+
+_EXECUTIONSERVICEOUTPUT = _descriptor.Descriptor(
+  name='ExecutionServiceOutput',
+  full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='commonHeader', full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput.commonHeader', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='actionIdentifiers', full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput.actionIdentifiers', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='status', full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput.status', index=2,
+      number=3, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='payload', full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput.payload', index=3,
+      number=4, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=393,
+  serialized_end=721,
+)
+
+_EXECUTIONSERVICEINPUT.fields_by_name['commonHeader'].message_type = BluePrintCommon__pb2._COMMONHEADER
+_EXECUTIONSERVICEINPUT.fields_by_name['actionIdentifiers'].message_type = BluePrintCommon__pb2._ACTIONIDENTIFIERS
+_EXECUTIONSERVICEINPUT.fields_by_name['payload'].message_type = google_dot_protobuf_dot_struct__pb2._STRUCT
+_EXECUTIONSERVICEOUTPUT.fields_by_name['commonHeader'].message_type = BluePrintCommon__pb2._COMMONHEADER
+_EXECUTIONSERVICEOUTPUT.fields_by_name['actionIdentifiers'].message_type = BluePrintCommon__pb2._ACTIONIDENTIFIERS
+_EXECUTIONSERVICEOUTPUT.fields_by_name['status'].message_type = BluePrintCommon__pb2._STATUS
+_EXECUTIONSERVICEOUTPUT.fields_by_name['payload'].message_type = google_dot_protobuf_dot_struct__pb2._STRUCT
+DESCRIPTOR.message_types_by_name['ExecutionServiceInput'] = _EXECUTIONSERVICEINPUT
+DESCRIPTOR.message_types_by_name['ExecutionServiceOutput'] = _EXECUTIONSERVICEOUTPUT
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+ExecutionServiceInput = _reflection.GeneratedProtocolMessageType('ExecutionServiceInput', (_message.Message,), {
+  'DESCRIPTOR' : _EXECUTIONSERVICEINPUT,
+  '__module__' : 'BluePrintProcessing_pb2'
+  # @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput)
+  })
+_sym_db.RegisterMessage(ExecutionServiceInput)
+
+ExecutionServiceOutput = _reflection.GeneratedProtocolMessageType('ExecutionServiceOutput', (_message.Message,), {
+  'DESCRIPTOR' : _EXECUTIONSERVICEOUTPUT,
+  '__module__' : 'BluePrintProcessing_pb2'
+  # @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput)
+  })
+_sym_db.RegisterMessage(ExecutionServiceOutput)
+
+
+DESCRIPTOR._options = None
+
+_BLUEPRINTPROCESSINGSERVICE = _descriptor.ServiceDescriptor(
+  name='BluePrintProcessingService',
+  full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.BluePrintProcessingService',
+  file=DESCRIPTOR,
+  index=0,
+  serialized_options=None,
+  serialized_start=724,
+  serialized_end=927,
+  methods=[
+  _descriptor.MethodDescriptor(
+    name='process',
+    full_name='org.onap.ccsdk.cds.controllerblueprints.processing.api.BluePrintProcessingService.process',
+    index=0,
+    containing_service=None,
+    input_type=_EXECUTIONSERVICEINPUT,
+    output_type=_EXECUTIONSERVICEOUTPUT,
+    serialized_options=None,
+  ),
+])
+_sym_db.RegisterServiceDescriptor(_BLUEPRINTPROCESSINGSERVICE)
+
+DESCRIPTOR.services_by_name['BluePrintProcessingService'] = _BLUEPRINTPROCESSINGSERVICE
+
+# @@protoc_insertion_point(module_scope)
diff --git a/ms/py-executor/blueprints_grpc/proto/BluePrintProcessing_pb2_grpc.py b/ms/py-executor/blueprints_grpc/proto/BluePrintProcessing_pb2_grpc.py
new file mode 100644
index 000000000..a482f5652
--- /dev/null
+++ b/ms/py-executor/blueprints_grpc/proto/BluePrintProcessing_pb2_grpc.py
@@ -0,0 +1,60 @@
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  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.
+
+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+import grpc
+
+from blueprints_grpc.proto import BluePrintProcessing_pb2 as BluePrintProcessing__pb2
+
+
+class BluePrintProcessingServiceStub(object):
+  # missing associated documentation comment in .proto file
+  pass
+
+  def __init__(self, channel):
+    """Constructor.
+
+    Args:
+      channel: A grpc.Channel.
+    """
+    self.process = channel.stream_stream(
+        '/org.onap.ccsdk.cds.controllerblueprints.processing.api.BluePrintProcessingService/process',
+        request_serializer=BluePrintProcessing__pb2.ExecutionServiceInput.SerializeToString,
+        response_deserializer=BluePrintProcessing__pb2.ExecutionServiceOutput.FromString,
+        )
+
+
+class BluePrintProcessingServiceServicer(object):
+  # missing associated documentation comment in .proto file
+  pass
+
+  def process(self, request_iterator, context):
+    # missing associated documentation comment in .proto file
+    pass
+    context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+    context.set_details('Method not implemented!')
+    raise NotImplementedError('Method not implemented!')
+
+
+def add_BluePrintProcessingServiceServicer_to_server(servicer, server):
+  rpc_method_handlers = {
+      'process': grpc.stream_stream_rpc_method_handler(
+          servicer.process,
+          request_deserializer=BluePrintProcessing__pb2.ExecutionServiceInput.FromString,
+          response_serializer=BluePrintProcessing__pb2.ExecutionServiceOutput.SerializeToString,
+      ),
+  }
+  generic_handler = grpc.method_handlers_generic_handler(
+      'org.onap.ccsdk.cds.controllerblueprints.processing.api.BluePrintProcessingService', rpc_method_handlers)
+  server.add_generic_rpc_handlers((generic_handler,))
diff --git a/ms/py-executor/blueprints_grpc/proto/__init__.py b/ms/py-executor/blueprints_grpc/proto/__init__.py
new file mode 100644
index 000000000..b63c94c9c
--- /dev/null
+++ b/ms/py-executor/blueprints_grpc/proto/__init__.py
@@ -0,0 +1,14 @@
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  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.
+
diff --git a/ms/py-executor/blueprints_grpc/request_header_validator_interceptor.py b/ms/py-executor/blueprints_grpc/request_header_validator_interceptor.py
new file mode 100644
index 000000000..d9906abc3
--- /dev/null
+++ b/ms/py-executor/blueprints_grpc/request_header_validator_interceptor.py
@@ -0,0 +1,40 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2019 Bell Canada.
+# Modifications Copyright © 2018-2019 AT&T Intellectual Property.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import grpc
+
+
+def _unary_unary_rpc_terminator(code, details):
+    def terminate(ignored_request, context):
+        context.abort(code, details)
+
+    return grpc.unary_unary_rpc_method_handler(terminate)
+
+
+class RequestHeaderValidatorInterceptor(grpc.ServerInterceptor):
+
+    def __init__(self, header, value, code, details):
+        self._header = header
+        self._value = value
+        self._terminator = _unary_unary_rpc_terminator(code, details)
+
+    def intercept_service(self, continuation, handler_call_details):
+        if (self._header, self._value) in handler_call_details.invocation_metadata:
+            return continuation(handler_call_details)
+        else:
+            return self._terminator
diff --git a/ms/py-executor/blueprints_grpc/script_executor_configuration.py b/ms/py-executor/blueprints_grpc/script_executor_configuration.py
new file mode 100644
index 000000000..2f0553b62
--- /dev/null
+++ b/ms/py-executor/blueprints_grpc/script_executor_configuration.py
@@ -0,0 +1,48 @@
+#!/usr/bin/python
+#
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import os
+import logging
+import configparser
+from pathlib import Path, PurePath
+
+
+class ScriptExecutorConfiguration:
+
+    def __init__(self, file_path: str):
+        self.logger = logging.getLogger(self.__class__.__name__)
+        self.logger.info('loading configuration file : {}'.format(file_path))
+        self.config = configparser.ConfigParser(os.environ)
+        self.config.read(file_path, encoding='utf-8')
+
+    def get_section(self, section_name: str):
+        return self.config[section_name]
+
+    def get_property(self, section_name: str, property_name: str):
+        return self.config.get(section_name, property_name)
+
+    def script_executor_property(self, property_name: str):
+        return self.config.get('scriptExecutor', property_name)
+
+    def blueprints_processor(self, property_name: str):
+        return self.config.get('blueprintsprocessor', property_name)
+
+
+if __name__ == '__main__':
+    config_file = str(PurePath(Path().absolute())) + '/../configuration.ini'
+    scriptExecutorConfiguration = ScriptExecutorConfiguration(config_file)
+    blueprintDeployPath = scriptExecutorConfiguration.get_property('blueprintsprocessor', 'blueprintDeployPath')
+    print(blueprintDeployPath)