Shell输出json

#!/bin/sh

#deion: get server hardware info

#author: liuxin

#date: 20180122

#需要安装jq工具 yum install jq

 

#用于存放该服务器的所有信息，个人喜欢把全局变量写到外面

#写到函数里面，没有加local的变量也是全局变量

INFO="{}"

#定义一个工具函数，用于生成json数值，后面将会频繁用到

function create_json(){

#utility function

local key=$1

local value="$2"

local json=""

#if value is string

if test -z "$(echo "$value" |egrep "\[|\]|\{|\}")"

then

json=$(jq -n {"$key":"\"$value\""})

#if value is json, object

elif [ "$(echo "$value" |jq -r type)" == "object" ]

then

json=$(jq -n {"$key":"$value"})

#if value is array

elif [ "$(echo "$value" |jq -r type)" == "array" ]

then

json=$(jq -n "{$key:$value}")

else

echo "value type error..."

exit 1

return 0

fi

echo $json

return 0

}

#获取CPU信息

function get_cpu()

{

#获取cpu信息，去掉空格和制表符和空行，以便于for循环

local cpu_model_1=$(dmidecode -s processor-version |grep ‘@‘ |tr -d " " |tr -s "\n" |tr -d "\t")

local cpu_info="{}"

local i=0

#因为去掉了空格和制表符，以下默认使用换行符分隔

for line in $(echo "$cpu_model_1")

do

local cpu_model="$line"

local cpu1=$(create_json "cpu_model" "$cpu_model")

#获取每块cpu的信息，这里只记录了型号

local cpu=$(create_json "cpu_$i" "$cpu1")

local cpu_info=$(jq -n "$cpu_info + $cpu")

i=$[ $i + 1]

done

#将cpu的信息整合成一个json，key是cpu

local info=$(create_json "cpu" "$cpu_info")

#将信息加入到全局变量中

INFO=$(jq -n "$INFO + $info")

return 0

}

function get_mem()

{

#generate json {Locator:{sn:sn,size:size}}

local mem_info="{}"

#获取每个内存的信息，包括Size:|Locator:|Serial Number:

local mem_info_1=$(dmidecode -t memory |egrep ‘Size:|Locator:|Serial Number:‘ |grep -v ‘Bank Locator:‘ |awk ‘

{

if (NR%3==1 && $NF=="MB")

{

size=$2;

getline (NR+1);

locator=$2;

getline (NR+2);

sn=$NF;

printf("%s,%s,%s\n",locator,size,sn)

}

}‘)

#根据上面的信息，将信息过滤并整合成json

local i=0

for line in $(echo "$mem_info_1")

do

local locator=$(echo $line |awk -F , ‘{print $1}‘)

local sn=$(echo $line |awk -F , ‘{print $3}‘)

local size=$(echo $line |awk -F , ‘{print $2}‘)

local mem1=$(create_json "locator" "$locator")

local mem2=$(create_json "sn" "$sn")

local mem3=$(create_json "size" "$size")

local mem4=$(jq -n "$mem1 + $mem2 + $mem3")

#每条内存的信息，key是内存从0开始的序号

local mem=$(create_json "mem_$i" "$mem4")

#将这些内存的信息组合到一个json中

mem_info=$(jq -n "$mem_info + $mem")

i=$[ $i + 1 ]

done

#给这些内存的信息设置key，mem

local info=$(create_json "mem" "$mem_info")

INFO=$(jq -n "$INFO + $info")

return 0

}

function get_megacli_disk()

{

#设置megacli工具的路径，此条可以根据情况更改

local raid_tool="/opt/MegaRAID/MegaCli/MegaCli64"

#将硬盘信息获取，保存下来，省去每次都执行的操作

$raid_tool pdlist aall > /tmp/megacli_pdlist.txt

local disk_info="{}"

#获取硬盘的必要信息

local disk_info_1=$(cat /tmp/megacli_pdlist.txt |egrep ‘Enclosure Device ID:|Slot Number:|PD Type:|Raw Size:|Inquiry Data:|Media Type:‘|awk ‘

{

if(NR%6==1 && $1$2=="EnclosureDevice")

{

E=$NF;

getline (NR+1);

S=$NF;

getline (NR+2);

pdtype=$NF;

getline (NR+3);

size=$3$4;

getline (NR+4);

sn=$3$4$5$6;

getline (NR+5);

mediatype=$3$4$5$6;

printf("%s,%s,%s,%s,%s,%s\n",E,S,pdtype,size,sn,mediatype)

}

}‘)

#将获取到的硬盘信息进行整合，生成json

local i=0

for line in $(echo $disk_info_1)

do

#local key=$(echo $line |awk -F , ‘{printf("ES%s_%s\n",$1,$2)}‘)

local E=$(echo $line |awk -F , ‘{print $1}‘)

local S=$(echo $line |awk -F , ‘{print $2}‘)

local pdtype=$(echo $line |awk -F , ‘{print $3}‘)

local size=$(echo $line |awk -F , ‘{print $4}‘)

local sn=$(echo $line |awk -F , ‘{print $5}‘)

local mediatype=$(echo $line |awk -F , ‘{print $6}‘)

local disk1=$(create_json "pdtype" "$pdtype")

local disk1_1=$(create_json "enclosure_id" "$E")

local disk1_2=$(create_json "slot_id" "$S")

local disk2=$(create_json "size" "$size")

local disk3=$(create_json "sn" "$sn")

local disk4=$(create_json "mediatype" "$mediatype")

local disk5=$(jq -n "$disk1 + $disk1_1 + $disk1_2 + $disk2 + $disk3 + $disk4")

local disk=$(create_json "disk_$i" "$disk5")

disk_info=$(jq -n "$disk_info + $disk")

i=$[ $i + 1 ]

done

#echo $disk_info

local info=$(create_json "disk" "$disk_info")

INFO=$(jq -n "$INFO + $info")

return 0

}

function get_hba_disk()

{

#对于hba卡的硬盘，使用smartctl获取硬盘信息

local disk_tool="smartctl"

local disk_info="{}"

#lsscsi 需要使用yum install lsscsi 安装

local disk_info_1=$(lsscsi -g |grep -v ‘enclosu‘ |awk ‘{printf("%s,%s,%s,%s\n",$1,$2,$(NF-1),$NF)}‘)

local i=0

for line in $(echo $disk_info_1)

do

local E=$(echo $line |awk -F , ‘{print $1}‘ |awk -F ‘:‘ ‘{print $1}‘ |tr -d ‘\[|\]‘)

local S=$(echo $line |awk -F , ‘{print $NF}‘ |egrep -o [0-9]*)

local sd=$(echo $line |awk -F , ‘{print $(NF-1)}‘)

$disk_tool -i $sd > /tmp/disk_info.txt

local pdtype="SATA"

if test "$(cat /tmp/disk_info.txt |grep ‘Transport protocol:‘ |awk ‘{print $NF}‘)" == "SAS"

then

local pdtype="SAS"

fi

local size=$(cat /tmp/disk_info.txt |grep ‘User Capacity:‘ |awk ‘{printf("%s%s\n",$(NF-1),$NF)}‘ |tr -d ‘\[|\]‘)

local sn=$(cat /tmp/disk_info.txt |grep ‘Serial Number:‘ |awk ‘{print $NF}‘)

local mediatype="disk"

local disk1=$(create_json "pdtype" "$pdtype")

local disk1_1=$(create_json "enclosure_id" "$E")

local disk1_2=$(create_json "slot_id" "$S")

local disk2=$(create_json "size" "$size")

local disk3=$(create_json "sn" "$sn")

local disk4=$(create_json "mediatype" "$mediatype")

local disk5=$(jq -n "$disk1 + $disk1_1 + $disk1_2 + $disk2 + $disk3 + $disk4")

local disk=$(create_json "disk_$i" "$disk5")

disk_info=$(jq -n "$disk_info + $disk")

i=$[ $i + 1 ]

done

#echo $disk_info

local info=$(create_json "disk" "$disk_info")

INFO=$(jq -n "$INFO + $info")

return 0

}

function get_disk()

{

#根据获取到的硬盘控制器类型，来判断使用什么工具采集硬盘信息

if test "$(echo "$INFO" |jq -r .disk_ctrl.disk_ctrl_0.type)" == "raid"

then

get_megacli_disk

elif [ "$(echo "$INFO" |jq -r .disk_ctrl.disk_ctrl_0.type)" == "hba" ]

then

get_hba_disk

else

local info=$(create_json "disk" "error")

INFO=$(jq -n "$INFO + $info")

fi

#hp机器比较特殊，这里我没有做hp机器硬盘信息采集，有兴趣的朋友可以自行添加上

#if hp machine

return 0

}

function get_diskController()

{

local disk_ctrl="{}"

#if LSI Controller

local disk_ctrl_1="$(lspci -nn |grep LSI)"

local i=0

#以换行符分隔

IFS_OLD=$IFS && IFS=$‘\n‘

for line in $(echo "$disk_ctrl_1")

do

#echo $line

local ctrl_id=$(echo "$line" |awk -F ‘]:‘ ‘{print $1}‘ |awk ‘{print $NF}‘ |tr -d ‘\[|\]‘)

case "$ctrl_id" in

#根据控制器的id或进行判断是raid卡还是hba卡，因为品牌比较多，后续可以在此处进行扩展添加

0104)

# 获取Logic以后的字符串，并进行拼接

local ctrl_name=$(echo "${line##*"Logic"}" |awk ‘{printf("%s_%s_%s\n",$1,$2,$3)}‘)

local ctrl1=$(create_json "id" "$ctrl_id")

local ctrl2=$(create_json "type" "raid")

local ctrl3=$(create_json "name" "$ctrl_name")

;;

0100|0107)

local ctrl_name=$(echo "${line##*"Logic"}" |awk ‘{printf("%s_%s_%s\n",$1,$3,$4)}‘)

local ctrl1=$(create_json "id" "$ctrl_id")

local ctrl2=$(create_json "type" "hba")

local ctrl3=$(create_json "name" "$ctrl_name")

;;

*)

local ctrl1=$(create_json "id" "----")

local ctrl2=$(create_json "type" "----")

local ctrl3=$(create_json "name" "----")

;;

esac

local ctrl_tmp=$(jq -n "$ctrl1 + $ctrl2 + $ctrl3")

local ctrl=$(create_json "disk_ctrl_$i" "$ctrl_tmp")

disk_ctrl=$(jq -n "$disk_ctrl + $ctrl")

i=$[ $i + 1 ]

done

IFS=$IFS_OLD

local info=$(create_json "disk_ctrl" "$disk_ctrl")

INFO=$(jq -n "$INFO + $info")

return 0

}

function get_netcard()

{

local netcard_info="{}"

local netcard_info_1="$(lspci -nn |grep Ether)"

local i=0

#echo "$netcard_info_1"

IFS_OLD=$IFS && IFS=$‘\n‘

for line in $(echo "$netcard_info_1")

do

local net_id=$(echo $line |egrep -o ‘[0-9a-z]{4}:[0-9a-z]{4}‘)

local net_id_1=$(echo $net_id |awk -F : ‘{print $1}‘)

case "$net_id_1" in

8086)

local net_name=$(echo "${line##*": "}" |awk ‘{printf("%s_%s_%s_%s\n",$1,$3,$4,$5)}‘)

local type=$(echo $line |egrep -o SFP || echo "TP")

local net1=$(create_json "id" "$net_id")

local net2=$(create_json "name" "$net_name")

local net3=$(create_json "type" "$type")

;;

14e4)

local net_name=$(echo "${line##*": "}" |awk ‘{printf("%s_%s_%s_%s\n",$1,$3,$4,$5)}‘)

local type=$(echo $line |egrep -o SFP || echo "TP")

local net1=$(create_json "id" "$net_id")

local net2=$(create_json "name" "$net_name")

local net3=$(create_json "type" "$type")

;;

*)

local net_name=$(echo "${line##*": "}" |awk ‘{printf("%s_%s_%s_%s\n",$1,$3,$4,$5)}‘)

local type=$(echo $line |egrep -o SFP || echo "TP")

local net1=$(create_json "id" "$net_id")

local net2=$(create_json "name" "$net_name")

local net3=$(create_json "type" "$type")

;;

esac

local net1=$(jq -n "$net1 + $net2 + $net3")

#echo $net

local net2=$(create_json "net_$i" "$net1")

netcard_info=$(jq -n "$netcard_info + $net2")

i=$[ $i + 1 ]

done

IFS=$IFS_OLD

local info=$(create_json "net" "$netcard_info")

INFO=$(jq -n "$INFO + $info")

return 0

}

function get_server()

{

local product=$(dmidecode -s system-product-name |grep -v ‘^#‘ |tr -d ‘ ‘ |head -n1)

local manufacturer=$(dmidecode -s system-manufacturer |grep -v ‘^#‘ |tr -d ‘ ‘ |head -n1)

local server1=$(create_json "manufacturer" "$manufacturer")

local server2=$(create_json "product" "$product")

local server3=$(jq -n "$server1 + $server2")

local info=$(create_json "basic_info" "$server3")

INFO=$(jq -n "$INFO + $info")

return 0

}

ALL_INFO=""

function get_all()

{

#因为硬盘信息的获取依赖硬盘控制器的信息，所以get_diskController要放到get_disk前面

get_server

get_cpu

get_mem

get_diskController

get_disk

get_netcard

local sn=$(dmidecode -s system-serial-number |grep -v ‘^#‘ |tr -d ‘ ‘ |head -n1)

ALL_INFO=$(create_json "$sn" "$INFO")

return 0

}

function main(){

get_all

echo $ALL_INFO

return 0