Recreate deployment if volumes used with a single replica to avoid stuck pods

charts/onechart/templates/deployment.yaml

@@ -10,6 +10,11 @@ spec:
   selector:
     matchLabels:
       {{- include "helm-chart.selectorLabels" . | nindent 6 }}
+  {{- $singleReplica := eq (.Values.replicas | int64) 1 }}
+  {{- if and .Values.volumes $singleReplica }}
+  strategy:
+    type: Recreate
+  {{- end }}
   template:
     metadata:
       annotations:

charts/onechart/tests/deployment_volumes_test.yaml

@@ -31,3 +31,14 @@ tests:
             - name: data
               persistentVolumeClaim:
                 claimName: RELEASE-NAME-data
+  - it: Should recreate to avoid stuck deployments
+    set:
+      volumes:
+        - name: data
+          path: /var/lib/1clickinfra/data
+          size: 10Gi
+          storageClass: default
+    asserts:
+      - equal:
+          path: spec.strategy.type
+          value: Recreate