Fix propagation of failures in installer scripts

Change-Id: Ie83a4c9284ea63b40c37975da261634f930b6317
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/install_kubeadm_cluster.sh b/installers/install_kubeadm_cluster.sh
index 1e72f37..c0f067a 100755
--- a/installers/install_kubeadm_cluster.sh
+++ b/installers/install_kubeadm_cluster.sh
@@ -272,25 +272,25 @@
 
 
 install_kube
-track install_k8s
+track k8scluster install_k8s_ok
 init_kubeadm $OSM_DOCKER_WORK_DIR/cluster-config.yaml
 kube_config_dir
-track init_k8s
+track k8scluster init_k8s_ok
 if [ -n "$INSTALL_K8S_MONITOR" ]; then
     # uninstall OSM MONITORING
     uninstall_k8s_monitoring
-    track uninstall_k8s_monitoring
+    track k8scluster uninstall_k8s_monitoring_ok
 fi
 #remove old namespace
 remove_k8s_namespace osm
 deploy_cni_provider
 taint_master_node
 install_helm
-track install_helm
+track k8scluster install_helm_ok
 install_k8s_storageclass
-track k8s_storageclass
+track k8scluster k8s_storageclass_ok
 install_helm_metallb
-track k8s_metallb
+track k8scluster k8s_metallb_ok
 check_for_readiness
-track k8s_ready
+track k8scluster k8s_ready_ok