use a pvc, not emptydir, for registry storage (#470)

use a registry, not emptydir, for registry storage

Author: laverya

e2e/scripts/single-node-airgap-install.sh

@@ -116,6 +116,14 @@ check_pod_install_order() {
     fi
 }
 
+check_airgap_pvc() {
+    if ! kubectl get pvc -n registry --no-headers=true | wc -l | grep -q 1 ; then
+        echo "Failed to find registry pvc"
+        kubectl get pvc -A
+        return 1
+    fi
+}
+
 wait_for_installation() {
     ready=$(kubectl get installations --no-headers | grep -c "Installed" || true)
     counter=0
@@ -175,6 +183,9 @@ main() {
     if ! check_pod_install_order; then
         exit 1
     fi
+    if ! check_airgap_pvc; then
+        exit 1
+    fi
     if ! systemctl status embedded-cluster; then
         echo "Failed to get status of embedded-cluster service"
         exit 1

pkg/addons/registry/registry.go

@@ -40,7 +40,13 @@ var helmValues = map[string]interface{}{
 	"image": map[string]interface{}{
 		"tag": ImageVersion,
 	},
-	"storage": "filesystem", // this is not a recognized option but gets us past all the storage options
+	"storage": "filesystem",
+	"persistence": map[string]interface{}{
+		"enabled":      true,
+		"size":         "10Gi",
+		"accessMode":   "ReadWriteOnce",
+		"storageClass": "openebs-hostpath",
+	},
 	"configData": map[string]interface{}{
 		"auth": map[string]interface{}{
 			"htpasswd": map[string]interface{}{