Make members field in each side of the trunk be a drop down list

.gitignore

@@ -2,3 +2,4 @@ __pycache__/
 *.egg-info
 .coverage
 coverage.xml
+.tox/

README.md

@@ -65,7 +65,6 @@ Is process the same as subscription? If not, what’s the endpoint/way to create
 
 ## TODO
 - Fix flake8 errors for main.py products and workflows imports
-- The current input form for the members list in create_trunk_config_side is not apprpriate for a list
 - Integrate provision step (in CreateTrunkConfigSide) with IPAM/Infoblox
 
 ## Resources

geant_service_orchestrator/workflows/trunk_config_side/create_trunk_config_side.py

@@ -43,6 +43,25 @@ def trunk_config_selector() -> list:
     )
 
 
+def member_selector() -> list:
+    interfaces_dict = {
+        "ge-0/0/1": "ge-0/0/1",
+        "ge-0/0/2": "ge-0/0/2",
+        "ge-0/0/3": "ge-0/0/3",
+        "ge-0/0/4": "ge-0/0/4",
+        "ge-0/0/5": "ge-0/0/5"
+    }
+
+    return choice_list(
+        Choice("Member Interfaces", zip(
+            interfaces_dict.keys(),
+            interfaces_dict.items())),  # type:ignore
+        min_items=1,
+        max_items=4,
+        unique_items=True,
+    )
+
+
 def initial_input_form_generator(product_name: str) -> FormGenerator:
     class CreateTrunkConfigSideForm(FormPage):
         class Config:
@@ -53,7 +72,7 @@ def initial_input_form_generator(product_name: str) -> FormGenerator:
         geant_a_sid: str
         ipv4_address: Optional[str]
         ipv6_address: Optional[str]
-        members: List[str]
+        members: member_selector()  # type:ignore
         trunk_config_ids: trunk_config_selector()  # type:ignore
 
     user_input = yield CreateTrunkConfigSideForm