Update unimplemented function with message

Updated sample yaml to end with ... Updated references to yaml
in the code for input file for load parts to instead be in_file
since the input may not be yaml someday.

drydock_provisioner/cli/part/actions.py

@@ -38,24 +38,23 @@ class PartList(PartBase): # pylint: disable=too-few-public-methods
 
     def invoke(self):
         #TODO: change the api call
-        #return self.api_client.get_design_ids()
-        pass
+        return 'This function does not yet have an implementation to support the request'
 
 class PartCreate(PartBase): # pylint: disable=too-few-public-methods
     """ Action to create parts of a design
     """
-    def __init__(self, api_client, design_id, yaml):
+    def __init__(self, api_client, design_id, in_file):
         """
             :param DrydockClient api_client: The api client used for invocation.
             :param string design_id: The UUID of the design for which to create a part
-            :param yaml: The file containing the specification of the part
+            :param in_file: The file containing the specification of the part
         """
         super().__init__(api_client, design_id)
-        self.yaml = yaml
-        self.logger.debug('PartCreate action initialized with yaml=%s', yaml[:100])
+        self.in_file = in_file
+        self.logger.debug('PartCreate action init. Input file (trunc to 100 chars)=%s', in_file[:100])
 
     def invoke(self):
-        return self.api_client.load_parts(self.design_id, self.yaml)
+        return self.api_client.load_parts(self.design_id, self.in_file)
 
 class PartShow(PartBase): # pylint: disable=too-few-public-methods
     """ Action to show a part of a design.

drydock_provisioner/cli/part/commands.py

@@ -46,10 +46,10 @@ def part_create(ctx, file=None):
 
     with open(file, 'r') as file_input:
         file_contents = file_input.read()
-        # here is where some yaml validation could be done
+        # here is where some potential validation could be done on the input file
         click.echo(PartCreate(ctx.obj['CLIENT'],
                               design_id=ctx.obj['DESIGN_ID'],
-                              yaml=file_contents).invoke())
+                              in_file=file_contents).invoke())
 
 @part.command(name='list')
 @click.pass_context

examples/designparts_v1.0.yaml

@@ -346,4 +346,4 @@ spec:
       address: 'dhcp'
     - network: 'mgmt'
       address: '172.16.1.83'
----
+...