communicator interface done

Dockerfile

@@ -6,4 +6,4 @@ COPY . ./
 
 RUN pip3 install --no-cache-dir -r requirements.txt
 
-CMD ["python3" "app.py"]
+CMD ["python3", "app.py"]

communicator.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
+import requests
+
 """
 Main Flask RESTful API
 """
@@ -8,3 +10,35 @@ __author__ = "@tormakris"
 __copyright__ = "Copyright 2020, GoldenPogácsa Team"
 __module_name__ = "messagesender"
 __version__text__ = "1"
+
+class Communicator:
+    """
+    Class handling low level communication with consumers.
+    """
+    def __init__(self):
+        """
+        Initalize class
+        """
+        pass
+
+    def sendmessage(self, message: str) -> None:
+        """
+        Send message to consumer.
+        :param message:
+        :return: none
+        """
+        pass
+
+    def discoveravailableconsumers(self) -> list:
+        """
+        Get the list of available consumer from the current primary consumer.
+        :return:
+        """
+        pass
+
+    def isconsumeravailable(self) -> bool:
+        """
+        Readiness probe primary consumer.
+        :return:
+        """
+        pass