support existingClaim for PVC

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

Author: funkypenguin

charts/stable/skypilot/Chart.yaml

@@ -3,7 +3,7 @@ name: skypilot
 description: A Helm chart for deploying SkyPilot API server on Kubernetes
 icon: "https://raw.githubusercontent.com/skypilot-org/skypilot/master/charts/skypilot/skypilot.svg"
 type: application
-version: 0.0.2-pre-14
+version: 0.0.2-pre-15
 appVersion: "0.0"
 dependencies:
   - name: ingress-nginx

charts/stable/skypilot/templates/api-deployment.yaml

@@ -706,9 +706,10 @@ spec:
 
       volumes:
       {{- if .Values.storage.enabled }}
+      {{- $claimName := default (printf "%s-state" .Release.Name) .Values.storage.existingClaim }}
       - name: state-volume
         persistentVolumeClaim:
-          claimName: {{ .Release.Name }}-state
+          claimName: {{ $claimName }}
       {{- else }}
       - name: state-volume
         emptyDir: {}

charts/stable/skypilot/templates/pvc.yaml

@@ -1,4 +1,5 @@
-{{- if .Values.storage.enabled }}
+{{- $existingClaim := default "" .Values.storage.existingClaim }}
+{{- if and .Values.storage.enabled (eq $existingClaim "") }}
 apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:

charts/stable/skypilot/values.schema.json

@@ -674,6 +674,9 @@
                 },
                 "volumeName": {
                     "type": "string"
+                },
+                "existingClaim": {
+                    "type": "string"
                 }
             }
         },

charts/stable/skypilot/values.yaml

@@ -263,6 +263,8 @@ storage:
     #   environment: prod
   # Optional volume name for binding to specific PV
   volumeName: ""
+  # Use an existing PVC instead of creating one
+  existingClaim: ""
   # Optional annotations
   annotations: {}