Linux自動安裝JDK的shell指令碼

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Linux自動安裝JDK的shell指令碼

A：本指令碼啟動並執行機器，Linux

B：待安裝JDK的機器, Linux

首先在指令碼啟動並執行機器A上確定可以ssh無密碼登入到待安裝jdk的機器B上，然後就可以在A上運行本指令碼:

$ ./install-jdk.sh B的IP

or:

$ ./install-jdk.sh "B的IP" "JDK的URI"

就可以在機器B上安裝JDK。jdk使用的tar包需要使用者自己設定DEFAULT_JDK_SRC=？，保證可以wget得到即可。下面是全部指令碼內容：

#!/bin/bash## @file#   install-jdk.sh## @date#   2013-12-19## @author#   cheungmine## @version#   0.0.1pre## @usage:#   ./install-jdk.sh 192.168.122.206#################################################################################. common.sh#***********************************************************# install_jdk#   install jdk on machine: /usr/local/lib## Parameters:#   machine - [email protected]#   jdkUri  - uri for fetching tarball## Example:##   install_jdk [email protected] ftp://vm-ftp/pub/tarball/jdk-7u67-linux-x64.tar.gz##***********************************************************. common.sh# YOU MIGHT CHANGE BELOW LINE TO GET YOUR JDK TARBALL:DEFAULT_JDK_SRC="ftp://vm-ftp/pub/tarball/jdk-7u67-linux-x64.tar.gz"# DO NOT CHANGE BELOW TWO LINES:INSTALL_DIR="/usr/local/lib/java"LOCAL_DIR="./.tmp"function install_jdk() {    echo -e "<INFO> install jdk on machine: $1"    local DEST_LOGIN=$1    local JDK_URI=$2    local TAR=$(basename $JDK_URI)    echo -e "<INFO> jdk: ‘$JDK_URI‘"    wget -c $JDK_URI -P $LOCAL_DIR -O $LOCAL_DIR/$TAR    $(is_empty_dir "$LOCAL_DIR/jdk_untar")    local ret=$?    case $ret in    $DIR_NOT_EXISTED)        mkdir -p $LOCAL_DIR/jdk_untar        ;;    $DIR_IS_EMPTY)        ;;    $DIR_NOT_EMPTY)        rm -rf $LOCAL_DIR/jdk_untar/*        ;;    *)        exit $ERR_FATAL_ERROR        ;;    esac    # untar to jdk_untar    tar -zxf $LOCAL_DIR/$TAR -C $LOCAL_DIR/jdk_untar    $(is_empty_dir "$LOCAL_DIR/jdk_untar")    local ret=$?    if [ "$ret" -eq "$DIR_NOT_EMPTY" ]; then        local jdk_home=`ls $LOCAL_DIR/jdk_untar 2>/dev/null`        echo $jdk_home    else        exit $ERR_FATAL_ERROR    fi    echo -e "<INFO> create folder on: $DEST_LOGIN:$INSTALL_DIR"    local ret=`ssh $DEST_LOGIN "mkdir $INSTALL_DIR"`    echo -e "<INFO> copy $jdk_home/ to: $DEST_LOGIN:$INSTALL_DIR/"    local ret=`scp -r $LOCAL_DIR/jdk_untar/$jdk_home $DEST_LOGIN:$INSTALL_DIR`    # remove local tar    rm -rf $LOCAL_DIR/jdk_untar    local DEST_JAVA_HOME=$INSTALL_DIR/$jdk_home    echo -e "<TODO> remove old settings for install_jdk in /etc/profile"    echo -e "<INFO> set /etc/profile: JAVA_HOME=$DEST_JAVA_HOME"    local ret=`ssh $DEST_LOGIN "echo ‘‘ >> /etc/profile"`    local ret=`ssh $DEST_LOGIN "echo ‘#!{{[email protected]==>‘ >> /etc/profile"`    local ret=`ssh $DEST_LOGIN "echo ‘export JAVA_HOME=$DEST_JAVA_HOME‘ >> /etc/profile"`    local ret=`ssh $DEST_LOGIN "echo ‘export CLASSPATH=.:\\$JAVA_HOME/lib/tools.jar:\\$JAVA_HOME/lib/dt.jar‘ >> /etc/profile"`    local ret=`ssh $DEST_LOGIN "echo ‘export PATH=\\$JAVA_HOME/bin:\\$JAVA_HOME/jre/bin:\\$PATH‘ >> /etc/profile"`    local ret=`ssh $DEST_LOGIN "echo ‘#!<[email protected]}}‘>> /etc/profile"`    local ret=`ssh $DEST_LOGIN ". /etc/profile"`}function uninstall_jdk() {    echo -e "<TODO> uninstall jdk from: $1"}#=======================================================================# ---- main() ----if [ -n $1 ]; then    DEST_IP=$1    JDK_SRC=$DEFAULT_JDK_SRC    if [ $# == 2 ]; then        JDK_SRC=$2    fi    echo -e "<INFO> install jdk on ‘$DEST_IP‘, jdk: ‘$JDK_SRC‘"    install_jdk "[email protected]$DEST_IP" "$JDK_SRC"fi

此外使用到了common.sh這個指令碼：

#!/bin/bash## @file#   common.sh## @date#   2013-12-18## @author#   cheungmine## @version#   0.0.1pre########################################################################## Error Codes:#ERR_NOERROR=0ERR_FATAL_ERROR=-100# current user is not a rootERR_NOT_ROOT=100# file is already existedERR_FILE_EXISTED=200#***********************************************************# chk_root#   check if is a root user## Example:#   chk_root#***********************************************************function chk_root() {    if [ $UID -ne 0 ]; then        echo -e "<chk_root> current user is not a root.\n"             "   Because you will run all the steps from this shell with root"             "privileges,\n"             "   you must become root right by typing:\n"             "   $ sudo su"        exit $ERR_NOT_ROOT    fi}#***********************************************************# read_cfg#   read section and key from ini file## Example:#   value=$(read_cfg $CFG_FILE $SEC_NAME ‘key‘)#***********************************************************function read_cfg() {    CFGFILE=$1    SECTION=$2    KEYNAME=$3    RETVAL=`awk -F ‘=‘ ‘/\[‘$SECTION‘\]/{a=1}a==1&&$1~/‘$KEYNAME‘/{print $2;exit}‘ $CFGFILE`    echo $RETVAL | tr -d ‘"‘}#***********************************************************# write_cfg#   write section and key to ini file## Example:#   $(write_cfg $CFG_FILE ‘secname‘ ‘key‘ $value)#***********************************************************function write_cfg() {    CFGFILE=$1    SECTION=$2    KEYNAME=$3    NEWVAL=$4    RETVAL=`sed -i "/^\[$SECTION\]/,/^\[/ {/^\[$SECTION\]/b;/^\[/b;s/^$KEYNAME*=.*/$KEYNAME=$NEWVAL/g;}" $CFGFILE`    echo $RETVAL}#***********************************************************# real_path#   get real path of given relative path## Example:#   ABS_PATH=$(real_path $(dirname $0))#***********************************************************function real_path() {    \cd "$1"    /bin/pwd}#***********************************************************# copy_file#   copy source file to destigation file without overwriting## Example:#   copy_file $file1 $file2#***********************************************************function copy_file() {    src=$1    dst=$2    if [ -a $dst ]    then        echo -e "<copy_file> file is already existed: ‘$dst‘"        exit $ERR_FILE_EXISTED    fi    echo -e "<copy_file> ‘$src‘ =>\n            ‘$dst‘"    dstdir=$(dirname $dst)    if [ -d $dstdir ]    then        :    else        mkdir -p $dstdir    fi    cp -p $src $dst}#***********************************************************# is_empty_dir#    if a dir is empty# Returns:#    0 - not empty dir#    1 - is empty dir#    2 - dir not existed# Example:#    is_empty_dir ~/workspace#    echo $?##    $(is_empty_dir ‘./‘#    echo $?#***********************************************************DIR_NOT_EXISTED=2DIR_IS_EMPTY=1DIR_NOT_EMPTY=0function is_empty_dir() {    local olddir=$PWD    local indir=$1    if [ ! -d "$indir" ]; then        return $DIR_NOT_EXISTED    fi    cd $indir    local files=`ls 2>/dev/null`    cd $olddir    if [ -n "$files" ]; then        return $DIR_NOT_EMPTY    else        return $DIR_IS_EMPTY    fi}

Linux自動安裝JDK的shell指令碼