configuration values configured for a deployment ignored in function call

[mklaehn]

Having

package com.example.fn;

import com.fnproject.fn.api.FnConfiguration;
import com.fnproject.fn.api.RuntimeContext;

public class PojoFunction {

    private String greeting;

    @FnConfiguration
    public void setUp(RuntimeContext ctx) {
        greeting = ctx.getConfigurationByKey("GREETING").orElse("Hello");
    }

    public Object greet(String name) {
        if (name == null || name.isEmpty()) {
            name = "World";
        }
//        System.out.println(name);
        return new Greeting(greeting, name);
    }

    public static class Greeting {

        public final String name;
        public final String salutation;

        public Greeting(String salutation, String name) {
            this.salutation = salutation;
            this.name = name;
        }
    }
}

and deploying PojoFunction to Fn Server allows PojoFunction to be seen in a running fn-ui container.
It is then possible to add Configurations for PojoFunction by executing the Edit button for that deployment.

There's several problems with this.

1. already configured config values are not shown
2. configuration values added here are of no relevance to a fn call execution. i.e. the value are ignored