Merge branch 'feature/184-Remove-Kafka-Lag-Exporter-Pod' into 'theodolite-kotlin'

Feature/184 remove kafka lag exporter pod

See merge request !104

theodolite-quarkus/src/main/kotlin/theodolite/benchmark/KafkaLagExporterRemover.kt

+package theodolite.benchmark;
+
+import io.fabric8.kubernetes.client.NamespacedKubernetesClient
+import mu.KotlinLogging
+
+private val logger = KotlinLogging.logger {}
+
+class KafkaLagExporterRemover(private val client : NamespacedKubernetesClient) {
+
+    fun remove(label: String){
+        this.client.pods().withLabel(label).delete()
+        logger.info{"Pod with label: $label deleted"}
+    }
+}

theodolite-quarkus/src/main/kotlin/theodolite/benchmark/KubernetesBenchmarkDeployment.kt

@@ -15,6 +15,9 @@ class KubernetesBenchmarkDeployment(
     private val kafkaController = TopicManager(this.kafkaConfig)
     private val kubernetesManager = K8sManager(DefaultKubernetesClient().inNamespace(namespace))
 
+    private val LABEL = "app.kubernetes.io/name=kafka-lag-exporter"
+    private val client = DefaultKubernetesClient().inNamespace(namespace)
+
     override fun setup() {
         kafkaController.createTopics(this.topics)
         resources.forEach {
@@ -23,6 +26,7 @@ class KubernetesBenchmarkDeployment(
     }
 
     override fun teardown() {
+        KafkaLagExporterRemover(client).remove(LABEL)
         kafkaController.removeTopics(this.topics.map { topic -> topic.name() })
         resources.forEach {
             kubernetesManager.remove(it)