Use emptyDir if no PVC should be created

helm/preconfigs/oci.yaml

 operator:
   resultsVolume:
+    persistent:
+      enabled: true
       storageClassName: "oci-bv"
       size: 50Gi # minimal size in OCI

helm/templates/theodolite/results-volume/pvc.yaml

-{{- if and .Values.operator.resultsVolume.enabled (not .Values.operator.resultsVolume.existingClaim) -}}
+{{- if and .Values.operator.resultsVolume.persistent.enabled (not .Values.operator.resultsVolume.persistent.existingClaim) -}}
 apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
   name: {{ include "theodolite.resultsClaimName" . }}
 spec:
-  {{- if .Values.operator.resultsVolume.storageClassName }}
-  storageClassName: {{ .Values.operator.resultsVolume.storageClassName }}
+  {{- if .Values.operator.resultsVolume.persistent.storageClassName }}
+  storageClassName: {{ .Values.operator.resultsVolume.persistent.storageClassName }}
   {{- end }}
   accessModes:
     - ReadWriteOnce
-    {{- range .Values.operator.resultsVolume.accessModes }}
+    {{- range .Values.operator.resultsVolume.persistent.accessModes }}
     - {{ . | quote }}
     {{- end }}
   resources:
     requests:
-      storage: {{ .Values.operator.resultsVolume.size | quote }}
+      storage: {{ .Values.operator.resultsVolume.persistent.size | quote }}
 {{- end }}
\ No newline at end of file

helm/templates/theodolite/theodolite-operator.yaml

@@ -31,10 +31,8 @@ spec:
             - name: RESULTS_FOLDER
               value: "./results"
           volumeMounts:
-            {{- if .Values.operator.resultsVolume.enabled }}
-            - name: theodolite-pv-storage
+            - name: theodolite-results-volume
               mountPath: "/deployments/results"
-            {{- end }}
             - name: benchmark-resources-uc1-kstreams
               mountPath: /deployments/benchmark-resources/uc1-kstreams
             - name: benchmark-resources-uc2-kstreams
@@ -77,7 +75,7 @@ spec:
           - name: LOG_LEVEL
             value: INFO
         {{- end }}
-        {{- if and .Values.operator.resultsVolume.enabled .Values.operator.resultsVolume.accessSidecar.enabled }}
+        {{- if .Values.operator.resultsVolume.accessSidecar.enabled }}
         - name: results-access
           image: busybox:stable
           image: "{{ .Values.operator.resultsVolume.accessSidecar.image }}:{{ .Values.operator.resultsVolume.accessSidecar.imageTag }}"
@@ -88,13 +86,15 @@ spec:
           - exec tail -f /dev/null
           volumeMounts:
           - mountPath: /results
-            name: theodolite-pv-storage
+            name: theodolite-results-volume
         {{- end }}
       volumes:
-      {{- if .Values.operator.resultsVolume.enabled }}
-      - name: theodolite-pv-storage
+      - name: theodolite-results-volume
+        {{- if .Values.operator.resultsVolume.persistent.enabled }}
         persistentVolumeClaim:
           claimName: {{ include "theodolite.resultsClaimName" . | quote }}
+        {{- else }}
+        emptyDir: {}
         {{- end }}
       - name: benchmark-resources-uc1-kstreams
         configMap:

helm/values.yaml

@@ -263,7 +263,8 @@ operator:
       imagePullPolicy: Always
 
   resultsVolume:
-    enabled: true
+    persistent:
+      enabled: false
       # existingClaim:
       # storageClassName:
       accessModes: