From 3f00d4ad0d3e3f23fa2c81879630253a551aede3 Mon Sep 17 00:00:00 2001
From: Filipe Souza <filipe.souza@mestre8d.com>
Date: Thu, 25 Jan 2024 00:43:55 -0300
Subject: [PATCH] - Now supports a external PVC to be attached to the
 container; - Added parameters to include a external PVC;

---
 chart/VALUES_SUMMARY.md          | 4 +++-
 chart/templates/deployments.yaml | 4 ++++
 chart/templates/pvcs.yaml        | 4 +++-
 chart/values.yaml                | 4 ++++
 4 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/chart/VALUES_SUMMARY.md b/chart/VALUES_SUMMARY.md
index f76fb43..ef8ad5b 100644
--- a/chart/VALUES_SUMMARY.md
+++ b/chart/VALUES_SUMMARY.md
@@ -54,7 +54,9 @@ This chart can provide an rAthena emulator installation on a Kubernetes cluster.
 | server.service.ports[2] | dict | `{"name":"rcon","port":25575,"protocol":"UDP","targetPort":25575}` | The "rcon" port definition . If you change this, make sure to change the server.ports.rcon and server.config.rcon.port accordingly. |
 | server.service.ports[3] | dict | `{"name":"healthz","port":80,"protocol":"TCP","targetPort":80}` | The "healthz" port definition . Used only to create a health check for load balancers on cloud services. |
 | server.service.type | string | `"LoadBalancer"` | The type of service to be created. |
-| server.storage | dict | `{"preventDelete":false,"size":"10Gi","storageClassName":""}` | Define some parameters for the storage volume |
+| server.storage | dict | `{"external":false,"externalName":"","preventDelete":false,"size":"10Gi","storageClassName":""}` | Define some parameters for the storage volume |
+| server.storage.external | bool | `false` | Define if it will use an existing PVC containing the installation data. |
+| server.storage.externalName | bool | `""` | The external PVC name to use. |
 | server.storage.preventDelete | bool | `false` | Keeps helm from deleting the PVC. By default, helm does not delete pvcs. |
 | server.storage.size | string | `"10Gi"` | The size of the pvc storage. |
 | server.storage.storageClassName | string | `""` | The storage class name. |
diff --git a/chart/templates/deployments.yaml b/chart/templates/deployments.yaml
index 823261b..105909b 100644
--- a/chart/templates/deployments.yaml
+++ b/chart/templates/deployments.yaml
@@ -55,4 +55,8 @@ spec:
       volumes:
         - name: datadir
           persistentVolumeClaim:
+            {{- if not .Values.server.storage.external }}
             claimName: "{{ .Release.Name }}-datadir-pvc"
+            {{ else }}
+            claimName: "{{ .Values.server.storage.externalName }}"
+            {{ end }}
diff --git a/chart/templates/pvcs.yaml b/chart/templates/pvcs.yaml
index b4d9a5f..c16e754 100644
--- a/chart/templates/pvcs.yaml
+++ b/chart/templates/pvcs.yaml
@@ -1,3 +1,4 @@
+{{- if not .Values.server.storage.external }}
 apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
@@ -26,4 +27,5 @@ spec:
   resources:
     requests:
       storage: {{ .Values.server.storage.size }}
-  storageClassName: {{ .Values.server.storage.storageClassName }}
\ No newline at end of file
+  storageClassName: {{ .Values.server.storage.storageClassName }}
+{{ end }}
\ No newline at end of file
diff --git a/chart/values.yaml b/chart/values.yaml
index 3172d7a..e72af11 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -9,6 +9,10 @@ server:
   labels: { }
   # -- (dict) Define some parameters for the storage volume
   storage:
+    # -- (bool) Define if it will use an existing PVC containing the installation data.
+    external: false
+    # -- (bool) The external PVC name to use.
+    externalName: ""
     # -- Keeps helm from deleting the PVC. By default, helm does not delete pvcs.
     preventDelete: false
     # -- The size of the pvc storage.