ssh login nova vm

$ sudo cat >> /usr/bin/nova-ssh  << END

FIRST=$1

IDX=`expr index $1 "@"`
if [[ $IDX  == "0" ]] ; then
    echo "please input the user name"
    exit 1
fi
USER=${FIRST%@*}

IP=${FIRST#*@}
NINFO=`nova list | grep $IP | awk '{print $12}'`
NID=${NINFO%=*}
PIP=${NINFO#*=}
PIP=${PIP%,}
NAME=`nova list | grep $IP |awk '{print $4}'`
echo "VM name: $NAME"
if [ -z $NID ]; then
    echo "invalid $IP"
    echo "not find the network id of $IP for $NAME"
    exit 1
fi

NS=`nova network-show $NID | grep "|\s\+id\s\+|"`
NS=${NS%|}
NS=${NS/|*id*| /qdhcp-}
shift
echo "login $USER@$PIP, it will take some time..."
sudo ip netns exec $NS ssh "$USER@$PIP" $@ -i $HOME/.ssh/id_rsa

END

$ sudo chmod a+x /usr/bin/nova-ssh

$ #  nova-ssh user@private_ip/id/name

$ nova-ssh minion@3a76ccfc-fc55-4102-8848-fa62003110be