ONOS-487: Allow ONOS to be installed using different user/group

Change-Id: Ica926a2a6e0870e3aeab1e1585073196358c8184

@@ -33,4 +33,5 @@ export ONOS_ZIP=$ONOS_STAGE.zip
 export ONOS_INSTALL_DIR="/opt/onos"     # Installation directory on remote
 export OCI="${OCI:-192.168.56.101}"     # ONOS Controller Instance
 export ONOS_USER="${ONOS_USER:-sdn}"    # ONOS user on remote system
+export ONOS_GROUP="${ONOS_GROUP:-sdn}"  # ONOS group on remote system
 export ONOS_PWD="rocks"                 # ONOS user password on remote system

@@ -77,7 +77,7 @@ function cell {
     if [ -n "$1" ]; then
         [ ! -f $ONOS_ROOT/tools/test/cells/$1 ] && \
             echo "No such cell: $1" >&2 && return 1
-        unset ONOS_CELL ONOS_NIC ONOS_FEATURES
+        unset ONOS_CELL ONOS_NIC ONOS_FEATURES ONOS_USER ONOS_GROUP
         unset OC0 OC1 OC2 OC3 OC4 OC5 OC6 OC7 OC8 OC9 OCN OCI
         export ONOS_CELL=$1
         . $ONOS_ROOT/tools/test/cells/$1

@@ -27,7 +27,7 @@ ssh $remote "
     [ -d $ONOS_INSTALL_DIR/bin ] && echo \"ONOS is already installed\" && exit 1
 
     # Prepare a landing zone and unroll the bits
-    sudo mkdir -p $ONOS_INSTALL_DIR && sudo chown ${ONOS_USER}:${ONOS_USER} $ONOS_INSTALL_DIR
+    sudo mkdir -p $ONOS_INSTALL_DIR && sudo chown ${ONOS_USER}:${ONOS_GROUP} $ONOS_INSTALL_DIR
     tar zxmf /tmp/$ONOS_BITS.tar.gz -C $ONOS_INSTALL_DIR --strip-components=1
 
     # Make a link to the log file directory and make a home for auxiliaries