收集主机OS相关数据

#!/usr/bin/ksh

touch hostinfo$(date +%Y%m%d).csv
filename=hostinfo$(date +%Y%m%d).csv

>${filename}
for ip in $(cat iplist);
do
    SYSTEM=`ssh -q ${ip} uname -s`
    HOST_NAME=`ssh -q ${ip} hostname`
    SERNUM=""
    OS=""

    printf "${ip}," >> ${filename}
    if [ "${SYSTEM}"x = "HP-UX"x ];
    then
        SERNUM=`ssh -q ${ip} /usr/contrib/bin/machinfo | awk '/serial number/ {print $NF}'`
        OS=`ssh -q ${ip} /usr/contrib/bin/machinfo | grep 'Release' | awk -F':' '{print $2}'`
    elif [ "${SYSTEM}"x = "AIX"x ];
    then
        SERNUM=`ssh -q ${ip} prtconf | awk '/Machine Serial Number/ {print $NF}'`
        OS=${SYSTEM}
    elif [ "${SYSTEM}"x = "Linux"x ];
    then
        SERNUM=`ssh -q ${ip} dmidecode -t system | grep 'Serial Number' | awk -F':' '{print $2}'`
    ssh ${ip} "ls /etc/redhat-release" > /dev/null >&
    if [ $? -eq  ];
    then
        OS=`ssh -q ${ip} cat /etc/redhat-release | awk '{printf("%s%s %s\n", $1, $2, $(NF-1))}'`
        tmp=`echo ${OS} | grep "^CentOS"`
        if [ "$tmp" != "" ]; then
            OS=`echo ${tmp} | awk '{printf("CentOS %s\n", $NF)}'`
        fi
        else
            OS=`ssh -q ${ip} cat /etc/issue | awk '{printf("%s %s %s", $3, $7, $8)}'`
        fi
    else
        echo "other system!"
    fi

    printf "${SERNUM}, ${HOST_NAME}, ${OS}\n" >> ${filename}
done