Merge branch 'install-theodolite-volumes-using-helm' into 'master'

Install Theodolite volumes using Helm

Closes #114

See merge request !192

helm/README.md

@@ -9,8 +9,6 @@ helm dependencies update .
 helm install theodolite .
 ```
 
-Additionally, a PersistentVolumeClaim with the name `theodolite-pv-claim` needs to be created or the results volume can be disabled as done with the minimal configuration, described below.
-
 ## Customize Installation
 
 As usual, the installation with Helm can be configured by passing a values YAML file:

helm/preconfigs/oci.yaml

+operator:
+  resultsVolume:
+    storageClassName: "oci-bv"
+    size: 50Gi # minimal size in OCI
\ No newline at end of file

helm/templates/_helpers.tpl

@@ -60,3 +60,10 @@ Create the name of the service account to use
 {{- default "default" .Values.serviceAccount.name }}
 {{- end }}
 {{- end }}
+
+{{/*
+Create the name of the results volume to use
+*/}}
+{{- define "theodolite.resultsClaimName" -}}
+{{- default (printf "%s-results" (include "theodolite.fullname" .)) .Values.operator.resultsVolume.existingClaim }}
+{{- end }}

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

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

helm/templates/theodolite/theodolite-operator.yaml

@@ -94,7 +94,7 @@ spec:
       {{- if .Values.operator.resultsVolume.enabled }}
       - name: theodolite-pv-storage
         persistentVolumeClaim:
-          claimName: {{ .Values.operator.resultsVolume.persistentVolumeClaim.name | quote }}
+          claimName: {{ include "theodolite.resultsClaimName" . | quote }}
       {{- end }}
       - name: benchmark-resources-uc1-kstreams
         configMap:

helm/values.yaml

@@ -264,8 +264,11 @@ operator:
 
   resultsVolume:
     enabled: true
-    persistentVolumeClaim:
-      name: theodolite-pv-claim
+    # existingClaim:
+    # storageClassName:
+    accessModes:
+      - ReadWriteOnce
+    size: 1Gi
     accessSidecar:
       enabled: true
       image: busybox