1. #!/bin/bash
    2. PASS=magedu
    3. #设置网段最后的地址，4-255之间，越小扫描越快
    4. END=254
    6. IP=`ip a s eth0 | awk -F'[ /]+' 'NR==3{print $3}'`
    7. NET=${IP%.*}.
    9. . /etc/os-release
    11. rm -f /root/.ssh/id_rsa
    12. [ -e ./SCANIP.log ] && rm -f SCANIP.log
    14. for((i=3;i<="$END";i++));do
    15.     ping -c 1 -w 1  ${NET}$i &> /dev/null  && echo "${NET}$i" >> SCANIP.log &
    16. done
    17. wait
    19. ssh-keygen -P "" -f /root/.ssh/id_rsa
    20. if [ $ID = "centos" -o $ID = "rocky" ];then
    21.     rpm -q sshpass || yum -y install sshpass
    22. else
    23.     dpkg -i sshpass &> /dev/null || apt -y install sshpass
    24. fi
    26. sshpass -p $PASS ssh-copy-id -o StrictHostKeyChecking=no $IP 
    28. AliveIP=(`cat SCANIP.log`)
    29. for n in ${AliveIP[*]};do
    30.     sshpass -p $PASS scp -o StrictHostKeyChecking=no -r /root/.ssh root@${n}:
    31. done
    33. #把.ssh/known_hosts拷贝到所有主机，使它们第一次互相访问时不需要输入回车
    34. for n in ${AliveIP[*]};do
    35.     scp /root/.ssh/known_hosts ${n}:.ssh/
    36. done
    1. #!/bin/bash
    2. #当前用户的密码
    3. PASS="magedu"
    4. #设置网段最小和最大的地址的尾数
    5. BEGIN=3
    6. END=254
    8. IP=$(ip addr show eth0 | awk -F'[ /]+' 'NR==3{print $3}')
    9. NET=${IP%.*}.
    11. . /etc/os-release
    13. function color()
    14. {
    15.   RES_COL=60;
    16.   MOVE_TO_COL="echo -en \\033[${RES_COL}G";
    17.   SETCOLOR_SUCCESS="echo -en \\033[1;32m";
    18.   SETCOLOR_FAILURE="echo -en \\033[1;31m";
    19.   SETCOLOR_WARNING="echo -en \\033[1;33m";
    20.   SETCOLOR_NORMAL="echo -en \E[0m";
    21.   echo -n "$1" && $MOVE_TO_COL;
    22.   echo -n "[";
    23.   if [ $2 = "success" -o $2 = "0" ] ;then
    24.     ${SETCOLOR_SUCCESS};
    25.     echo -n $"  OK  ";
    26.   elif [ $2 = "failure" -o $2 = "1" ] ;then
    27.     ${SETCOLOR_FAILURE};
    28.     echo -n $"FAILED";
    29.   else
    30.     ${SETCOLOR_WARNING};
    31.     echo -n $"WARNING";
    32.   fi
    33.   ${SETCOLOR_NORMAL};
    34.   echo -n "]";
    35.   echo
    36. }
    38. #安装sshpass
    39. function install_sshpass()
    40. {
    41.   if [[ $ID =~ centos|rocky|rhel ]] ;then
    42.     rpm -q sshpass &> /dev/null || yum install -y sshpass
    43.   else
    44.     dpkg -l sshpass &> /dev/null || { sudo apt update;sudo apt install -y sshpass; }
    45.   fi
    46.   if [ $? -ne 0 ] ;then
    47.     color '安装 sshpass 失败！' 1
    48.     exit 1
    49.   fi
    50. }
    52. function scan_host()
    53. {
    54.   [ -e ./SCANIP.log ] && rm -rf SCANIP.log
    55.   for ((i=$BEGIN;i<="$END";i++));do
    56.     ping -c 1 -W 1 ${NET}$i &> /dev/null && echo "${NET}$i" >> SCANIP.log &
    57.   done
    58.   wait
    59. }
    61. function push_ssh_key()
    62. {
    63.   #生成ssh key
    64.   [ -e ~/.ssh/id_rsa ] || ssh-keygen -P "" -f ~/.ssh/id_rsa
    65.   sshpass -P $PASS ssh-copy-id StrictHostKeyChecking=no ${USER}@${IP} &> /dev/null
    67.   ip_list=(`sort -t . -k 4 -n SCANIP.log`)
    68.   for ip in ${ip_list[*]};do
    69.     sshpass -p $PASS scp -o StrictHostKeyChecking=no -r ~/.ssh ${USER}@${ip}: &> /dev/null
    70.   done
    72.   #把.ssh/known_hosts拷贝到所有主机，使得它们第一次互相访问时不需要输入yes回车
    73.   for ip in ${ip_list[*]};do
    74.     scp ~/.ssh/known_hosts ${USER}@${ip}:.ssh/ &> /dev/null
    75.     color "$ip" 0
    76.   done
    77. }
    79. install_sshpass
    80. scan_host
    81. push_ssh_key
    cat > hosts.list <<EOF
10.0.0.51
10.0.0.52
EOF

vim push_ssh_key.sh
#!/bin/bash
#Description:   The script is kubesphere
rpm -q sshpass &> /dev/null || yum install -y sshpass
[ -f /root/.ssh/id_rsa ] || ssh-keygen -f /root/.ssh/id_rsa -P ''
export SSHPASS=Admin@h3c
while read IP;do
  sshpass -e ssh-copy-id $IP
done < hosts.list