Draft: Add Spark Structured Streaming based Benchmarks

This merge request includes Spark Structured Streaming benchmarks for use-cases 1 to 3. Furthermore, all necessary resources for execution with Theodolite on a Kubernetes cluster are included.

theodolite-benchmarks/definitions/uc2-spark/resources/driver-deployment.yaml

@@ -18,7 +18,7 @@ spec:
     spec:
       containers:
         - name: spark
-          image: "happyente/uc1-spark:latest"
+          image: "happyente/uc2-spark:latest"
           args: [
           "driver"
           , "--conf"  , "spark.driver.port=7077"
@@ -31,7 +31,7 @@ spec:
           , "org.apache.spark:spark-sql-kafka-0-10_2.12:3.2.0,org.apache.spark:spark-avro_2.12:3.2.0"
           , "--master", "spark://spark-master:7077"
           , "--class" , "theodolite.uc2.application.HistoryServiceSparkJob"
-          , "/libs-mount/uc2-spark-all.jar"
+          , "/opt/spark/usrlib/artifacts/uc2-spark-all.jar"
           ]
           env:
             - name: SPARK_DRIVER_BIND_ADDRESS
@@ -45,11 +45,11 @@ spec:
               name: blockmanager
             - containerPort: 4040
               name: ui
-          volumeMounts:
-            - mountPath: /libs-mount
-              name: test-volume
-      volumes:
-        - name: test-volume
-          hostPath:
-             path: /home/christian/Projects/theodolite/theodolite-benchmarks/uc2-spark/build/libs/
-             type: Directory
+          # volumeMounts:
+          #   - mountPath: /libs-mount
+          #     name: test-volume
+      # volumes:
+      #   - name: test-volume
+      #     hostPath:
+      #        path: /home/christian/Projects/theodolite/theodolite-benchmarks/uc2-spark/build/libs/
+      #        type: Directory