CASMPET-7117: iSCSI SBPS provision and DNS config fails when HSN is not configured/ CASMPET-7126: CFS play for k8s labelling fails when it is already applied

CASMPET-7117: iSCSI SBPS provision and DNS config fails when HSN is not configured/ CASMPET-7126: CFS play for k8s labelling fails when it is already applied #567