Add additional logging!

src/main/kotlin/Service.kt

@@ -47,6 +47,9 @@ class Service(file: String = "app.yml") {
     val collector = ReportCollector(importApiUrl)
 
     fun run() {
+        log.info("Begin reading from topic ${settings.inputTopic} on kafka cluster.")
+        log.info("Sending aggregated reports to ${importApiUrl}.")
+        log.info("Reading the following steps: ${stepWhitelist.str()}")
         while (true) {
             consumer.consume()
                 .mapNotNull { klaxon.parse<IndexReport>(it.value()) }

src/main/kotlin/StepWhitelist.kt

 package org.memobase
 
+import org.apache.logging.log4j.LogManager
 import java.io.File
 import java.nio.charset.Charset
 
 class StepWhitelist(path: String) {
-
+    private val log = LogManager.getLogger(this::class.java)
     private val whitelist = File(path).readLines(Charset.defaultCharset())
 
     fun check(step: String): Boolean {
-        return whitelist.contains(step)
+        return if (whitelist.contains(step)) {
+            log.info("Step $step is present in whitelist. Processing report.")
+            true
+        } else {
+            log.info("Step $step is not present in whitelist. Not processing.")
+            false
+        }
+    }
+
+    fun str(): String {
+        return whitelist.joinToString(", ")
     }
 }
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