kube/mirko: add kube.CephObjectStoreUser

Change-Id: I2a67076eeaf41ada41f5ae3ee588025e4c16b9e1
diff --git a/cluster/kube/cluster.jsonnet b/cluster/kube/cluster.jsonnet
index c07e5b9..3952f66 100644
--- a/cluster/kube/cluster.jsonnet
+++ b/cluster/kube/cluster.jsonnet
@@ -475,18 +475,7 @@
         },
 
         # Used for owncloud.hackerspace.pl, which for now lices on boston-packets.hackerspace.pl.
-        nextcloudWaw2: kube._Object("ceph.rook.io/v1", "CephObjectStoreUser", "nextcloud") {
-            metadata+: {
-                namespace: "ceph-waw2",
-            },
-            spec: {
-                store: "waw-hdd-redundant-2-object",
-                displayName: "nextcloud",
-            },
-        },
-
-        # Used for owncloud.hackerspace.pl, which for now lices on boston-packets.hackerspace.pl.
-        nextcloudWaw3: kube._Object("ceph.rook.io/v1", "CephObjectStoreUser", "nextcloud") {
+        nextcloudWaw3: kube.CephObjectStoreUser("nextcloud") {
             metadata+: {
                 namespace: "ceph-waw3",
             },