#!/bin/bash

# 定义主机列表
hosts=("10.200.1.10" "10.200.1.11" "10.200.1.12")

# 当前主机的用户名
user="root"

# 检查ssh-keygen是否已经生成密钥对
if [ ! -f ~/.ssh/id_rsa ]; then
    echo "生成SSH密钥对..."
    ssh-keygen -t rsa -b 4096 -N "" -f ~/.ssh/id_rsa
else
    echo "SSH密钥对已经存在..."
fi

# 分发公钥到其他主机
for host in "${hosts[@]}"; do
    if [ "$host" != "$(hostname -I | awk '{print $1}')" ]; then
        echo "将公钥复制到$host..."
        ssh-copy-id -i ~/.ssh/id_rsa.pub "$user@$host"
    fi
done

echo "密钥认证配置完成。"