Rename INSTALL_NODOCKER to INSTALL_DOCKER in full_install_osm.sh

Change-Id: I62a3a7c650e40477a3a1c46e26ca8b440f253c3a
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index 21a654d..c38a364 100755
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -483,7 +483,7 @@
 
     track prereq prereqok_ok
 
-    if [ ! -n "$INSTALL_NODOCKER" ]; then
+    if [ -n "$INSTALL_DOCKER" ]; then
         DOCKER_CE_OPTS="-D ${OSM_DEVOPS} ${DEBUG_INSTALL}"
         [ -n "${DOCKER_PROXY_URL}" ] && DOCKER_CE_OPTS="${DOCKER_CE_OPTS} -p ${DOCKER_PROXY_URL}"
         [ -n "${OSM_BEHIND_PROXY}" ] && DOCKER_CE_OPTS="${DOCKER_CE_OPTS} -P"
@@ -641,7 +641,7 @@
     echo "INSTALL_LIGHTWEIGHT=$INSTALL_LIGHTWEIGHT"
     echo "INSTALL_LXD=$INSTALL_LXD"
     echo "INSTALL_NGSA=$INSTALL_NGSA"
-    echo "INSTALL_NODOCKER=$INSTALL_NODOCKER"
+    echo "INSTALL_DOCKER=$INSTALL_DOCKER"
     echo "INSTALL_ONLY=$INSTALL_ONLY"
     echo "INSTALL_PLA=$INSTALL_PLA"
     echo "INSTALL_TO_OPENSTACK=$INSTALL_TO_OPENSTACK"
@@ -722,7 +722,7 @@
 OPENSTACK_PYTHON_VENV="$HOME/.virtual-envs/osm"
 INSTALL_ONLY=""
 TO_REBUILD=""
-INSTALL_NODOCKER=""
+INSTALL_DOCKER="y"
 INSTALL_JUJU=""
 INSTALL_NOHOSTCLIENT=""
 INSTALL_CACHELXDIMAGES=""
@@ -882,7 +882,8 @@
             [ "${OPTARG}" == "lxdinstall" ] && INSTALL_LXD="y" && continue
             [ "${OPTARG}" == "lxd" ] && INSTALL_LXD="y" && continue
             [ "${OPTARG}" == "nolxd" ] && INSTALL_LXD="" && continue
-            [ "${OPTARG}" == "nodocker" ] && INSTALL_NODOCKER="y" && continue
+            [ "${OPTARG}" == "docker" ] && INSTALL_DOCKER="y" && continue
+            [ "${OPTARG}" == "nodocker" ] && INSTALL_DOCKER="" && continue
             [ "${OPTARG}" == "showopts" ] && SHOWOPTS="y" && continue
             [ "${OPTARG}" == "nohostports" ] && NO_HOST_PORTS="y" && continue
             [ "${OPTARG}" == "juju" ] && INSTALL_JUJU="y" && continue