80 lines
1.9 KiB
Bash
Executable File
80 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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export LC_ALL=""
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export LANG="en_US.UTF-8"
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#
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if [[ -z "$1" || -z "$2" || -z "$3" ]]; then
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##### DISCOVERY #####
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DEVICES=`iostat -d | awk '{print $1}' | sed -e '/\(^nvme[0-9]n*[0-9]*\)\|^\([xhsv]*d[a-z][0-9]*\)$/!d'`
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if [[ -n ${DEVICES} ]]; then
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JSON="{ \"data\":["
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SEP=""
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for DEV in ${DEVICES}; do
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JSON=${JSON}"$SEP{\"{#HDNAME}\":\"${DEV}\"}"
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SEP=", "
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done
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JSON=${JSON}"]}"
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echo ${JSON}
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fi
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exit 0
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fi
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##### PARAMETERS #####
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RESERVED="$1"
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METRIC="$2"
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DISK="$3"
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CACHE_TTL="25"
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CACHE_FILE="/tmp/zabbix.iostat.cache"
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EXEC_TIMEOUT="2"
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NOW_TIME=`date '+%s'`
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##### RUN #####
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if [ ${METRIC} = "read" ]; then
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iostat -k | grep ${DISK} | head -n 1 | awk '{print $5}'
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exit 0
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fi
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if [ ${METRIC} = "write" ]; then
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iostat -k | grep ${DISK} | head -n 1 | awk '{print $6}'
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exit 0
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fi
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##### CACHE #####
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if [ -s "${CACHE_FILE}" ]; then
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CACHE_TIME=`stat -c"%Y" "${CACHE_FILE}"`
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else
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CACHE_TIME=0
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fi
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DELTA_TIME=$((${NOW_TIME} - ${CACHE_TIME}))
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#
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if [ ${DELTA_TIME} -lt ${EXEC_TIMEOUT} ]; then
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sleep $((${EXEC_TIMEOUT} - ${DELTA_TIME}))
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elif [ ${DELTA_TIME} -gt ${CACHE_TTL} ]; then
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echo "" >> "${CACHE_FILE}" # !!!
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DATACACHE=`iostat -x 1 2 2>&1`
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echo "${DATACACHE}" > "${CACHE_FILE}" # !!!
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chmod 640 "${CACHE_FILE}"
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fi
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#
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if [ ${METRIC} = "util" ]; then
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cat ${CACHE_FILE} | grep ${DISK} | tail -n 1 | awk '{print $12}'
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exit 0
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fi
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if [ ${METRIC} = "svctm" ]; then
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cat ${CACHE_FILE} | grep ${DISK} | tail -n 1 | awk '{print $11}'
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exit 0
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fi
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if [ ${METRIC} = "await" ]; then
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cat ${CACHE_FILE} | grep ${DISK} | tail -n 1 | awk '{print $10}'
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exit 0
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fi
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if [ ${METRIC} = "avgqu" ]; then
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cat ${CACHE_FILE} | grep ${DISK} | tail -n 1 | awk '{print $9}'
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exit 0
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fi
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if [ ${METRIC} = "rs" ]; then
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cat ${CACHE_FILE} | grep ${DISK} | tail -n 1 | awk '{print $4}'
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exit 0
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fi
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if [ ${METRIC} = "ws" ]; then
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cat ${CACHE_FILE} | grep ${DISK} | tail -n 1 | awk '{print $5}'
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exit 0
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fi
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