help: Attempt to take over cluster resources and become the active node
run: local -a grp ;
     local -a params ;
     eval "grp=($(cli-shell-api listActiveNodes cluster group))"
     if [ -n "$grp" ]; then
       params=($(cli-shell-api returnActiveValue cluster group $grp auto-failback))
       if [ "$params" == "true" ]; then
         echo "Warning: Auto-failback is configured."
       fi
       sudo /usr/share/heartbeat/hb_takeover >&/dev/null
       echo "Requesting to take over cluster resources"
     else
       echo "Clustering is not configured"
     fi
