Helm and k8s storage initialization for k8s-based installation

Change-Id: I373018f10549f84ca5e99e40e4232d63ebcaba6d
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index 22cb9f9..a8ac828 100755
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -1165,6 +1165,10 @@
     if [ -n "$KUBERNETES" ]; then
         juju_addk8s
         track juju_addk8s
+        install_helm
+        track install_helm
+        install_k8s_storageclass
+        track install_k8s_storageclass
     fi
 
     [ -z "$DOCKER_NOBUILD" ] && generate_docker_images