腳本實(shí)現(xiàn)功能:批量或單個(gè)SSH免交互登錄認(rèn)證
腳本應(yīng)用場(chǎng)景:當(dāng)部署集群時(shí),大多數(shù)實(shí)現(xiàn)要配置好管理節(jié)點(diǎn)與從節(jié)點(diǎn)的SSH免交互登錄,針對(duì)這樣的情況,寫(xiě)了下面腳本,簡(jiǎn)化工作。
腳本支持系統(tǒng):Ubuntu和CentOS
#!/bin/bash # Description: configuration local host and remote host ssh keypair authentication, Support Ubuntu and CentOS operation system. # Blog: http://lizhenliang.blog.51cto.com function color_echo() { if [ $1 == "green" ]; then echo -e "\033[32;40m$2\033[0m" elif [ $1 == "red" ]; then echo -e "\033[31;40m$2\033[0m" fi } function os_version() { local OS_V=$(cat /etc/issue |awk 'NR==1{print $1}') if [ $OS_V == "\S" -o $OS_V == "CentOS" ]; then echo "CentOS" elif [ $OS_V == "Ubuntu" ]; then echo "Ubuntu" fi } function check_ssh_auth() { if $(grep "Permission denied" $EXP_TMP_FILE >/dev/null); then color_echo red "Host $IP SSH authentication failure! Login password error." exit 1 elif $(ssh $INFO 'echo yes >/dev/null'); then color_echo green "Host $IP SSH authentication successfully." fi rm $EXP_TMP_FILE >/dev/null } function check_pkg() { local PKG_NAME=$1 if [ $(os_version) == "CentOS" ]; then if ! $(rpm -ql $PKG_NAME >/dev/null 2>&1); then echo no else echo yes fi elif [ $(os_version) == "Ubuntu" ]; then if ! $(dpkg -l $PKG_NAME >/dev/null 2>&1); then echo no else echo yes fi fi } function install_pkg() { local PKG_NAME=$1 if [ $(os_version) == "CentOS" ]; then if [ $(check_pkg $PKG_NAME) == "no" ]; then yum install $PKG_NAME -y if [ $(check_pkg $PKG_NAME) == "no" ]; then color_echo green "The $PKG_NAME installation failure! Try to install again." yum makecache yum install $PKG_NAME -y [ $(check_pkg $PKG_NAME) == "no" ] && color_echo red "The $PKG_NAME installation failure!" && exit 1 fi fi elif [ $(os_version) == "Ubuntu" ]; then if [ $(check_pkg $PKG_NAME) == "no" ]; then apt-get install $PKG_NAME -y if [ $(check_pkg $PKG_NAME) == "no" ]; then color_echo green "$PKG_NAME installation failure! Try to install again." apt-get autoremove && apt-get update apt-get install $PKG_NAME --force-yes -y [ $(check_pkg $PKG_NAME) == "no" ] && color_echo red "The $PKG_NAME installation failure!" && exit 1 fi fi fi } function generate_keypair() { if [ ! -e ~/.ssh/id_rsa.pub ]; then color_echo green "The public/private rsa key pair not exist, start Generating..." expect -c " spawn ssh-keygen expect { \"ssh/id_rsa):\" {send \"\r\";exp_continue} \"passphrase):\" {send \"\r\";exp_continue} \"again:\" {send \"\r\";exp_continue} } " >/dev/null 2>&1 if [ -e ~/.ssh/id_rsa.pub ]; then color_echo green "Generating public/private rsa key pair successfully." else color_echo red "Generating public/private rsa key pair failure!" exit 1 fi fi } EXP_TMP_FILE=/tmp/expect_ssh.tmp if [[ $1 =~ ^[a-z]+@[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}@.* ]]; then install_pkg expect ; generate_keypair for i in $@; do USER=$(echo $i|cut -d@ -f1) IP=$(echo $i|cut -d@ -f2) PASS=$(echo $i|cut -d@ -f3) INFO=$USER@$IP expect -c " spawn ssh-copy-id $INFO expect { \"(yes/no)?\" {send \"yes\r\";exp_continue} \"password:\" {send \"$PASS\r\";exp_continue} } " > $EXP_TMP_FILE # if login failed, login error info append temp file check_ssh_auth done elif [[ $1 =~ ^[a-z]+@[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}-[0-9]{1,3}@.* ]]; then install_pkg expect ; generate_keypair START_IP_NUM=$(echo $1|sed -r 's/.*\.(.*)-(.*)@.*/\1/') END_IP_NUM=$(echo $1|sed -r 's/.*\.(.*)-(.*)@.*/\2/') for ((i=$START_IP_NUM;i<=$END_IP_NUM;i++)); do USER=$(echo $1|cut -d@ -f1) PASS=$(echo $1|cut -d@ -f3) IP_RANGE=$(echo $1|sed -r 's/.*@(.*\.).*/\1/') IP=$IP_RANGE$i INFO=$USER@$IP_RANGE$i expect -c " spawn ssh-copy-id $INFO expect { \"(yes/no)?\" {send \"yes\r\";exp_continue} \"password:\" {send \"$PASS\r\";exp_continue} } " > $EXP_TMP_FILE check_ssh_auth done else echo "Example1: $0 <root@192.168.1.10-15@password>" echo "Example2: $0 <root@192.168.1.10@password>" echo "Example3: $0 [root@192.168.1.10@password root@192.168.1.11@password root@192.168.1.12@password ...]" fi另外有需要云服務(wù)器可以了解下創(chuàng)新互聯(lián)cdcxhl.cn,海內(nèi)外云服務(wù)器15元起步,三天無(wú)理由+7*72小時(shí)售后在線,公司持有idc許可證,提供“云服務(wù)器、裸金屬服務(wù)器、高防服務(wù)器、香港服務(wù)器、美國(guó)服務(wù)器、虛擬主機(jī)、免備案服務(wù)器”等云主機(jī)租用服務(wù)以及企業(yè)上云的綜合解決方案,具有“安全穩(wěn)定、簡(jiǎn)單易用、服務(wù)可用性高、性價(jià)比高”等特點(diǎn)與優(yōu)勢(shì),專(zhuān)為企業(yè)上云打造定制,能夠滿足用戶豐富、多元化的應(yīng)用場(chǎng)景需求。
當(dāng)前名稱:Shell批量SSH免交互登錄認(rèn)證-創(chuàng)新互聯(lián)
文章源于:http://jinyejixie.com/article48/dediep.html
成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián),為您提供定制開(kāi)發(fā)、電子商務(wù)、虛擬主機(jī)、自適應(yīng)網(wǎng)站、軟件開(kāi)發(fā)、動(dòng)態(tài)網(wǎng)站
聲明:本網(wǎng)站發(fā)布的內(nèi)容(圖片、視頻和文字)以用戶投稿、用戶轉(zhuǎn)載內(nèi)容為主,如果涉及侵權(quán)請(qǐng)盡快告知,我們將會(huì)在第一時(shí)間刪除。文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng),如需處理請(qǐng)聯(lián)系客服。電話:028-86922220;郵箱:631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載,或轉(zhuǎn)載時(shí)需注明來(lái)源: 創(chuàng)新互聯(lián)
猜你還喜歡下面的內(nèi)容