added proper logging of specs a json

pom.xml

@@ -171,6 +171,12 @@
       <version>0.1</version>
     </dependency>
 
+    <dependency>
+      <groupId>com.google.code.gson</groupId>
+      <artifactId>gson</artifactId>
+      <version>2.8.5</version>
+    </dependency>
+
     <!-- Workload-API client -->
     <dependency>
       <groupId>de.uulm.omi.dbms.workload</groupId>

src/main/java/de/uulm/omi/evaluation/task/DeployDB.java

@@ -184,7 +184,7 @@ public class DeployDB extends EvaluationTask {
         + File.separator + EvaluationTask.SPECS_FOLDER
         + File.separator + EvaluationTask.RESOURCE_MAPPING_SPEC;
 
-    this.writeReport(specUri, resourceMapping.toString());
+    this.writeReport(specUri, GSON.toJson(resourceMapping));
 
   }
 
@@ -192,7 +192,6 @@ public class DeployDB extends EvaluationTask {
   public WorkReport call() {
 
 
-
     String loggerPrefix= "RUN " + this.evaluationContext.getRunCounter().intValue() +": ";
 
 
@@ -209,7 +208,7 @@ public class DeployDB extends EvaluationTask {
       if(databaseSingle != null && databaseCluster == null){
         LOGGER.debug( loggerPrefix + "deploying a single DBMS node...");
 
-        this.writeReport(specUri, this.databaseSingle.toString());
+        this.writeReport(specUri, GSON.toJson(this.databaseSingle));
 
         this.logResourceIdMapping(this.databaseSingle.getDatabaseSeedComponent());
 
@@ -220,7 +219,7 @@ public class DeployDB extends EvaluationTask {
       }else if(databaseCluster != null && databaseSingle == null){
         LOGGER.debug( loggerPrefix + "deploying a DBMS cluster...");
 
-        this.writeReport(specUri, this.databaseCluster.toString());
+        this.writeReport(specUri, GSON.toJson(this.databaseCluster));
         this.logResourceIdMapping(this.databaseCluster.getDatabaseSeedComponent().get(0));
 
         result = databaseClient

src/main/java/de/uulm/omi/evaluation/task/EvaluationTask.java

 package de.uulm.omi.evaluation.task;
 
+import com.google.gson.Gson;
 import de.uulm.omi.cloudiator.dbms.evaluator.model.EvaluationContext;
 import de.uulm.omi.utils.EntrypointProperties;
 import java.io.IOException;
@@ -40,6 +41,7 @@ public abstract class EvaluationTask implements Work, ReportService {
   public static final String TIMESERIES_FOLDER = "timeseries";
   public static final String TASK_LOG_FOLDER = "taskLogs";
 
+  public static final Gson GSON = new Gson();
 
   protected final EvaluationContext evaluationContext;
   protected final TaskType taskType;

src/main/java/de/uulm/omi/evaluation/task/Gibbon.java

@@ -42,7 +42,7 @@ public class Gibbon extends EvaluationTask {
     String specUri =  this.evaluationContext.getEvluationRun()
         + File.separator + EvaluationTask.SPECS_FOLDER
         + File.separator + EvaluationTask.GIBBON_SPEC;
-    this.writeReport(specUri, this.gibbonSpec.toString());
+    this.writeReport(specUri, GSON.toJson(this.gibbonSpec));
 
 
     try {

src/main/java/de/uulm/omi/evaluation/task/Scale.java

@@ -68,7 +68,7 @@ public class Scale extends EvaluationTask {
     String specUri =  this.evaluationContext.getEvluationRun()
         + File.separator + EvaluationTask.SPECS_FOLDER
         + File.separator + EvaluationTask.ELASTICITY_SPEC;
-    this.writeReport(specUri, this.elasticitySpec.toString());
+    this.writeReport(specUri, GSON.toJson(this.elasticitySpec));
 
     if(elasticitySpec.get(0).getScalingType().equals(ScalingTypeEnum.OUT)){
       LOGGER.info(loggerPrefix + " Executing SCALE-OUT as specified!");

src/main/java/de/uulm/omi/evaluation/task/TpcCWorkload.java

@@ -63,7 +63,7 @@ public class TpcCWorkload extends EvaluationTask {
     LOGGER.debug(loggerPrefix + "Running Workload Spec: " + tpccWorkload.toString());
     String specUri = this.evaluationContext.getEvluationRun() +   File.separator + EvaluationTask.SPECS_FOLDER
         + File.separator + EvaluationTask.TRANSACTION_SPEC;
-    this.writeReport(specUri, tpccWorkload.toString());
+    this.writeReport(specUri, GSON.toJson(tpccWorkload));
 
 
 

src/main/java/de/uulm/omi/evaluation/task/YcsbWorkload.java

@@ -155,11 +155,14 @@ public class YcsbWorkload extends EvaluationTask {
   }
 
   private void writeWorkloadSpec(int instanceCounter, String workloadSpecName){
+
+    String ycsbJSON = GSON.toJson(ycsbWorkload);
+
     //Write Spec to disk
-    LOGGER.debug(loggerPrefix + "Running Workload Spec: " + ycsbWorkload.toString());
+    LOGGER.debug(loggerPrefix + "Running Workload Spec: " + ycsbJSON);
     String specUri = this.evaluationContext.getEvluationRun() +   File.separator + EvaluationTask.SPECS_FOLDER
         + File.separator + instanceCounter + "_" + workloadSpecName;
-    this.writeReport(specUri, ycsbWorkload.toString());
+    this.writeReport(specUri, ycsbJSON);
   }