Update installer shell scripts to set env vars after getopts

Change-Id: I656df0d03d986928768d0f108719cf16002c8f40
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/install_cluster_addons.sh b/installers/install_cluster_addons.sh
index 58c64ee..b546418 100755
--- a/installers/install_cluster_addons.sh
+++ b/installers/install_cluster_addons.sh
@@ -15,11 +15,6 @@
 
 set +eux
 
-INSTALL_STORAGECLASS=""
-INSTALL_METALLB=""
-INSTALL_CERTMANAGER=""
-INSTALL_NGINX=""
-
 function install_k8s_storageclass() {
     [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
     # Openebs versions can be found here: https://github.com/openebs/openebs/releases
@@ -257,14 +252,22 @@
     esac
 done
 
+DEBUG_INSTALL=${DEBUG_INSTALL:-}
+DEFAULT_IP=${DEFAULT_IP:-}
+OSM_DEVOPS=${OSM_DEVOPS:-}
+OSM_CLUSTER_WORK_DIR=${OSM_CLUSTER_WORK_DIR:-}
+INSTALL_STORAGECLASS=${INSTALL_STORAGECLASS:-}
+INSTALL_METALLB=${INSTALL_METALLB:-}
+INSTALL_CERTMANAGER=${INSTALL_CERTMANAGER:-}
+INSTALL_NGINX=${INSTALL_NGINX:-}
+echo "DEBUG_INSTALL=${DEBUG_INSTALL}"
+echo "DEFAULT_IP=${DEFAULT_IP}"
+echo "OSM_DEVOPS=${OSM_DEVOPS}"
+echo "OSM_CLUSTER_WORK_DIR=${OSM_CLUSTER_WORK_DIR}"
+
 source $OSM_DEVOPS/common/logging
 source $OSM_DEVOPS/common/track
 
-echo "DEBUG_INSTALL=${DEBUG_INSTALL:-}"
-echo "DEFAULT_IP=${DEFAULT_IP:-}"
-echo "OSM_DEVOPS=${OSM_DEVOPS:-}"
-echo "OSM_CLUSTER_WORK_DIR=${OSM_CLUSTER_WORK_DIR:-}"
-
 if [ -n "${INSTALL_STORAGECLASS}" ]; then
     install_k8s_storageclass
     track k8scluster k8s_storageclass_ok