Fix: Option to add user defined YAML_SERVICES_DIRECTORY.

[rishangbhavsar]

Fix: Option to add user defined YAML_SERVICES_DIRECTORY via env variable BALCONY_YAML_SERVICES_DIR

Currently i don't find any way by which i can create my own custom file which are not present there like cognito and use it eg.

service_name: cognito-idp
resource_nodes:
  - resource_node_name: UserPool
    operations:
      - operation_name: ListUserPools
        pagination_token_mapping:
          output_key: NextToken
          parameter_name: NextToken

  - resource_node_name: UserPoolClient
    operations:
      - operation_name: ListUserPoolClients
        required_parameters: ["UserPoolId"]
        pagination_token_mapping:
          output_key: NextToken
          parameter_name: NextToken
        jmespath_selector: "[].UserPools[].{UserPoolId: Id}[]"
        explicit_relations:
          - service_name: cognito-idp
            resource_node_name: UserPool
            operation_name: ListUserPools
            required_shape_name: ---
            target_shape_name: ---
            target_shape_type: ---
            target_path: ---
      
      - operation_name: DescribeUserPoolClient
        required_parameters: ["UserPoolId", "ClientId"]
        jmespath_selector: "[].UserPoolClients[].{UserPoolId: UserPoolId, ClientId: ClientId}[]"
        explicit_relations:
          - service_name: cognito-idp
            resource_node_name: UserPoolClient
            operation_name: ListUserPoolClients
            required_shape_name: ---
            target_shape_name: ---
            target_shape_type: ---
            target_path: ---
            ```

[oguzhan-yilmaz]

Thanks for your interest in this project. Can you tell me what for are you using it for?

Your changes would break loading the existing balcony/custom_yamls/*.yaml files, so I can't accept it in this state.

You could take example from the TerraformImport config in the same file

[rishangbhavsar]

As mentioned above currently is am not able to load service like cognito-idp UserPoolClient which requires UserPool id as an argument so i need the BALCONY_YAML_SERVICES_DIR to load files from my defined path so that i can use it for resource which are not supported yet and also can contribute, meanwhile it will overwrite balcony/custom_yamls/*.yaml but i will copy the available services form your repo to my custom dir.

Problem is if i want to use it a service like cognito which is not supported right now, i have to wait for someone to merge in this repo and the new python release. Anyway BALCONY_YAML_SERVICES_DIR is an optional env variable it will get trigger only when defined so exising users will not have any impact due to this.

I am creating a Terraform Import app in StreamlitUI where i am using this project as a python library. I task is to import various aws resources to terraform where we are also using cognito and waf which is not supported by this project currently.

[oguzhan-yilmaz]

I've implemented what you've requested, please check new versions

[rishangbhavsar]

@oguzhan-yilmaz Thanks for the update, any doc ref to know how to do it for my case