full_install_osm.sh: fix k8s installation, node must be tainted before juju_addk8s and install_helm

Change-Id: I1c14736ad832f184f7a8f4f9bfa389705511c558
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
(cherry picked from commit ac5bd33c65d4a8a108efd788022d1ef2a994945b)
diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index fcb7ec1..e1c9175 100755
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -1184,6 +1184,12 @@
             deploy_osm_pla_service
         fi
         track deploy_osm_services_k8s
+        install_k8s_storageclass
+        track k8s_storageclass
+        juju_addk8s
+        track juju_addk8s
+        install_helm
+        track install_helm
         if [ -n "$INSTALL_K8S_MONITOR" ]; then
             # install OSM MONITORING
             install_k8s_monitoring