108 lines
3.0 KiB
Bash
108 lines
3.0 KiB
Bash
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#!/bin/bash
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PLACE=".1.3.6.1.4.1.5000001.1.3.1" # MEM-MIB::memEntry的根OID
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#
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# 脚本会接收到两个参数
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# $1 --请求类型
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# -s --snmpset
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# -g --snmpget
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# -n --snmpgetnext/snmpwalk 注：snmpwalk的本质是循环执行snmpgetnext，以当次snmpgetnext的最终执行OID作为下次snmpgetnext的请求OID
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# $2 --请求的OID
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#
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REQ="$2" # 请求的OID
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RET="" # 最终执行的OID
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#
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# 提取mem监测结果文件的内容
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#
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basePath=$(cd `dirname $0`; pwd) # 脚本所在目录
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while read line;do # 读取配置文件
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eval "$line"
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done < ${basePath}/config
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declare -A devices_arr # 所有设备所有mem数据存放的数组，最后从这里取数据，格式：devices_arr[“项”“设备序号"]
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# 例如，取第2台设备的总内存大小：devices_arr[42]
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item_num=7 # 项目数量，根据业务而定
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details=`awk 'NR>2{print}' ${snmp_result_dir}"/mem.csv"` # 取得details内容
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details_rownum=`echo "$details"|awk '{print NR}'|tail -n1` # details行数
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for((i=0;i<$details_rownum;i++));do
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device_index=$((i+1))
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detail_row=`echo "$details"|awk 'NR=="'$device_index'"{print}'` # details某行的整行数据
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OLD_IFS="$IFS"
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IFS=","
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detail_row_arr=($detail_row) # 将整行数据用逗号隔开转为数组
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IFS=$OLD_IFS
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for((j=3;j<${#detail_row_arr[@]};j++));do
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devices_arr+=([$((j-1))${device_index}]=${detail_row_arr[$((j))]})
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done
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done
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#
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# 处理snmpgetnext请求，获取REQ的递增后的下个OID，递增规则需要自定义
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#
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if [ "$1" = "-n" ]; then
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caseFlag=1
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# 机器编号 -------------------开始
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case $REQ in
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$PLACE| \
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$PLACE.0| \
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$PLACE.0.*| \
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$PLACE.1) RET=$PLACE.1.1; caseFlag=0 ;;
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esac
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for((i=1;i<=$device_index&&$caseFlag==1;i++));do
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case $REQ in
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$PLACE.1.$((i-1))| \
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$PLACE.1.$((i-1)).*) RET=$PLACE.1.$i; caseFlag=0 ;;
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esac
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done
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# 机器编号 -------------------结束
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# mem信息 --------------------开始
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for((i=2;i<=$item_num&&$caseFlag==1;i++));do
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case $REQ in
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$PLACE.$((i-1)).*| \
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$PLACE.$i) RET=$PLACE.$i.1; caseFlag=0 ;;
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esac
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for((j=1;j<=$device_index&&$caseFlag==1;j++));do
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case $REQ in
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$PLACE.$i.$((j-1))| \
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$PLACE.$i.$((j-1)).*) RET=$PLACE.$i.$j; caseFlag=0 ;;
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#$PLACE.$i.$((j-1)).*| \
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#$PLACE.$i.$j) RET=$PLACE.$i.$j; caseFlag=0 ;;
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esac
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done
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done
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# cpu信息 --------------------结束
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fi
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#
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# 根据RET输出查询结果
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#
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echo "$RET"
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for((i=1;i<=$device_index;i++));do
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case "$RET" in
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$PLACE.1.$i) echo "integer"; echo $i; exit 0 ;;
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esac
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done
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for((i=2;i<=$item_num;i++));do
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for((j=1;j<=device_index;j++));do
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case "$RET" in
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$PLACE.$i.$j) echo "string"; echo ${devices_arr[$i$j]}; exit 0 ;;
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esac
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done
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done
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echo "string"; echo "error OID"; exit 0
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