10_awlan.redirector_addr.json.sh

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if [ -z "$CONTROLLER_ADDR" ]; then
    # do nothing if not set
    echo '["Open_vSwitch"]'
    exit
fi

cat << EOF
[
    "Open_vSwitch",
    {
        "op":"update",
        "table":"AWLAN_Node",
        "where":[],
        "row": {
            "redirector_addr": "$CONTROLLER_ADDR"
        }
    }
]
EOF