add an user on all nodes in a cluster

add_user.sh

# 在所有机器上配置部署账号和权限
set -x

ROOT_PASS=rootpassword
USR=dev
PASS=password

OTHER_NODES_IP="ip1 ip2" #以空格分割


#read ROOT_PASS
#read USR
#read PASS


useradd $USR
echo "$USR:$PASS" | chpasswd
cat /dev/zero |sudo -u $USR ssh-keygen -q -N ''
echo "$USR    ALL=(ALL)       NOPASSWD:ALL" > /etc/sudoers.d/${USR//-/_}
chown -R $USR:$USR /data

for node in $OTHER_NODES_IP ; do

        sshpass -p$ROOT_PASS ssh root@$node "useradd $USR; echo '$USR:$PASS' | chpasswd";

        sshpass -p$ROOT_PASS ssh root@$node "echo '$USR    ALL=(ALL)       NOPASSWD:ALL' > /etc/sudoers.d/${USR//-/_}"

        sudo -u $USR sshpass -p$PASS ssh-copy-id -o StrictHostKeyChecking=no $USR@$node

        sshpass  -p$ROOT_PASS ssh root@$node "chown -R $USR:$USR /data"
done