[apigateway] add volumeClaimDeletePolicy support for Elasticsearch

Author: mmatokovic

apigateway/helm/Chart.yaml

@@ -33,7 +33,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 3.12.1
+version: 3.13.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

apigateway/helm/templates/elasticsearch.yaml

@@ -36,6 +36,9 @@ spec:
   {{- if .Values.elasticsearch.image }}
   image: {{ .Values.elasticsearch.image }}
   {{- end }}
+  {{- if .Values.elasticsearch.volumeClaimDeletePolicy }}
+  volumeClaimDeletePolicy: { { .Values.elasticsearch.volumeClaimDeletePolicy } }
+  {{- end }}
   http:
     tls:
     {{- if .Values.elasticsearch.tlsEnabled }}

apigateway/helm/values.yaml

@@ -729,6 +729,10 @@ elasticsearch:
   # -- Set Pods' Priority Class Name
   priorityClassName: ""
 
+  # -- Volume claim delete policy. Controls when ECK deletes PVCs.
+  # By default the value is DeleteOnScaledownAndClusterDeletion
+  volumeClaimDeletePolicy: ""
+
   # -- Node sets. See official ElasticSearch documentation at:
   # https://www.elastic.co/guide/en/cloud-on-k8s/current/k8s-orchestration.html
   # if you specify node sets here the defaultNodeSet will not be used.