Implemented view

program_service/schemas/__init__.py

@@ -1 +1,2 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python3
+from .program_schema import ProgramSchema

program_service/schemas/program_schema.py

@@ -0,0 +1,28 @@
+from marshmallow import Schema, fields
+from marshmallow.validate import Length, Equal
+from marshmallow import RAISE
+
+from datetime import datetime
+
+SUPPORTED_PROGRAM_STRUCTURE_VERSION = 1
+
+
+class CommandSchema(Schema):
+    command = fields.Str(required=True)
+    args = fields.Dict(required=True)
+
+    class Meta:
+        unknown = RAISE
+
+
+class ProgramSchema(Schema):
+    _id = fields.Str(required=False)
+    created_at = fields.DateTime(required=False, missing=datetime.now)
+    name = fields.Str()
+
+    version = fields.Int(required=True, validate=Equal(SUPPORTED_PROGRAM_STRUCTURE_VERSION))
+    load_plugins = fields.List(fields.Str(), required=True)
+    program = fields.Nested(CommandSchema, many=True, required=True, validate=Length(min=1))
+
+    class Meta:
+        unknown = RAISE