enable pvc volume expansion

lib/addons/extended-ebscsi-driver-addon.ts

@@ -0,0 +1,33 @@
+import * as blueprints from "@aws-quickstart/eks-blueprints";
+import { Construct } from "constructs";
+
+export class ExtendedEbsCsiDriverAddOn extends blueprints.EbsCsiDriverAddOn {
+    constructor() {
+        super(); // keep the managed add-on config
+    }
+
+    async deploy(clusterInfo: blueprints.ClusterInfo): Promise<Construct> {
+        super.deploy(clusterInfo);
+
+        const cluster = clusterInfo.cluster;
+
+        const sc = cluster.addManifest("Gp3WffcStorageClass", {
+            apiVersion: "storage.k8s.io/v1",
+            kind: "StorageClass",
+            metadata: {
+                name: "gp3-wffc",
+                annotations: {
+                    "storageclass.kubernetes.io/is-default-class": "true",
+                },
+            },
+            provisioner: "ebs.csi.aws.com",
+            allowVolumeExpansion: true,
+            volumeBindingMode: "WaitForFirstConsumer",
+            parameters: { type: "gp3", encrypted: "true" },
+            reclaimPolicy: "Delete",
+        });
+
+        return sc;
+    }
+
+}

lib/config/cluster/index.ts

@@ -1,8 +1,10 @@
 import * as blueprints from "@aws-quickstart/eks-blueprints";
 import * as eks from "aws-cdk-lib/aws-eks";
 
 import cluster from "cluster";
 
+import { ExtendedEbsCsiDriverAddOn } from "../../addons/extended-ebscsi-driver-addon";
+
 // ArgoCd credential prefix in secret Manager
 const argocdCredentialName = "argocdAdmin";
 
@@ -29,10 +31,10 @@
         createClusterSecretStore: true,
       },
       configs: {
-        cm: { create: false},
-        rbac: { create: false}
+        cm: { create: false },
+        rbac: { create: false }
       },
-      secretStore: { create: true, name: "gen3-secret-store"}
+      secretStore: { create: true, name: "gen3-secret-store" }
     },
   });
 
@@ -55,10 +57,10 @@
         service: {
           type: serviceType || "NodePort",
         },
-      configs: {
-        cm:   { create: false },
-        rbac: { create: false }
-      },
+        configs: {
+          cm: { create: false },
+          rbac: { create: false }
+        },
       },
       notifications: { enabled: true, livenessProbe: { enabled: true }, readinessProbe: { enabled: true } },
       commitServer: { enabled: false },
@@ -76,7 +78,7 @@
   new blueprints.addons.CertManagerAddOn(),
   new blueprints.addons.MetricsServerAddOn(),
   new blueprints.addons.CalicoOperatorAddOn(),
-  new blueprints.addons.EbsCsiDriverAddOn(),     
+  new ExtendedEbsCsiDriverAddOn(),
   new blueprints.addons.SecretsStoreAddOn(),
   new blueprints.addons.SSMAgentAddOn(),
   new blueprints.addons.ClusterAutoScalerAddOn(),