Michael Erdely
7b0b703510
Replace all references to Splunk Add-on with Technical Add-on Replace URLs Remove splunkbase stuff Add copyright
68 lines
4.8 KiB
Bash
Executable file
68 lines
4.8 KiB
Bash
Executable file
#!/bin/sh
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# Copyright (C) 2025 Michael Erdely All Rights Reserved.
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# SPDX-FileCopyrightText: 2024 Splunk, Inc.
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# SPDX-License-Identifier: Apache-2.0
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# suggested command for testing reads: $ find / -type f 2>/dev/null | xargs wc &> /dev/null &
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# shellcheck disable=SC1091
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. "$(dirname "$0")"/common.sh
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if [ "$KERNEL" = "Linux" ] ; then
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CMD='iostat -xky 1 1'
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assertHaveCommand "$CMD"
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if [ ! -f "/etc/os-release" ] ; then
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DEFINE="-v OSName=$(cat /etc/*release | head -n 1| awk -F" release " '{print $1}'| tr ' ' '_') -v OS_version=$(cat /etc/*release | head -n 1| awk -F" release " '{print $2}' | cut -d\. -f1) -v IP_address=$(ip -4 route show default | awk '{print $9}')"
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else
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DEFINE="-v OSName=$(cat /etc/*release | grep '\bNAME=' | cut -d '=' -f2 | tr ' ' '_' | cut -d\" -f2) -v OS_version=$(cat /etc/*release | grep -E '\b(VERSION|BUILD)_ID=' | cut -d '=' -f2 | cut -d\" -f2) -v IP_address=$(ip -4 route show default | awk '{print $9}')"
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fi
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FILTER='/Device/ && /r\/s/ && /w\/s/ {f=1;}f'
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# shellcheck disable=SC2016
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PRINTF='{if ($0~/Device/) {printf "%s OSName OS_version IP_address \n", $0} else if (NF!=0) {printf "%s %s %s %s\n", $0, OSName, OS_version, IP_address}}'
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elif [ "$KERNEL" = "SunOS" ] ; then
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CMD='iostat -xn 1 2'
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# jscpd:ignore-start
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assertHaveCommand "$CMD"
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DEFINE="-v OSName=$(uname -s) -v OS_version=$(uname -r) -v IP_address=$(ifconfig -a | grep 'inet ' | grep -v 127.0.0.1 | cut -d\ -f2 | head -n 1)"
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FILTER='/device/ && /r\/s/ && /w\/s/ {f++;} f==2'
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# shellcheck disable=SC2016
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PRINTF='{if ($0~/device/ && /r\/s/ && /w\/s/) {printf "%s OSName OS_version IP_address \n", $0} else if (NF!=0) {printf "%s %s %s %s\n", $0, OSName, OS_version, IP_address}}'
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# jscpd:ignore-end
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elif [ "$KERNEL" = "AIX" ] ; then
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CMD='iostat 1 2'
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assertHaveCommand "$CMD"
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DEFINE="-v OSName=$(uname -s) -v OS_version=$(oslevel -r | cut -d'-' -f1) -v IP_address=$(ifconfig -a | grep 'inet ' | grep -v 127.0.0.1 | cut -d\ -f2 | head -n 1)"
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FILTER='/^cd/ {next} /Disks/ && /Kb_read/ && /Kb_wrtn/ {f++;} f==2'
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# shellcheck disable=SC2016
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PRINTF='{if ($0~/Disks/ && /Kb_read/ && /Kb_wrtn/) {printf "%s OSName OS_version IP_address \n", $0} else if (NF!=0) {printf "%s %s %s %s\n", $0, OSName, OS_version/1000, IP_address}}'
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elif [ "$KERNEL" = "FreeBSD" ] ; then
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CMD='iostat -x -c 2'
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assertHaveCommand "$CMD"
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DEFINE="-v OSName=$(uname -s) -v OS_version=$(uname -r) -v IP_address=$(ifconfig -a | grep 'inet ' | grep -v 127.0.0.1 | cut -d\ -f2 | head -n 1)"
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FILTER='/device/ && /r\/s/ && /w\/s/ {f++;} f==2'
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# shellcheck disable=SC2016
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PRINTF='{if ($0~/device/ && /r\/s/ && /w\/s/) {printf "%s OSName OS_version IP_address \n", $0} else if (NF!=0) {printf "%s %s %s %s\n", $0, OSName, OS_version, IP_address}}'
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elif [ "$KERNEL" = "Darwin" ] ; then
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CMD="eval $SPLUNK_HOME/bin/darwin_disk_stats ; sleep 2; echo Pause; $SPLUNK_HOME/bin/darwin_disk_stats"
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# shellcheck disable=SC2086
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assertHaveCommandGivenPath $CMD
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HEADER='Device rReq_PS wReq_PS rKB_PS wKB_PS avgWaitMillis avgSvcMillis bandwUtilPct OSName OS_version IP_address'
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HEADERIZE="BEGIN {print \"$HEADER\"}"
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PRINTF='{printf "%-10s %11s %11s %12s %12s %13s %13s %13s %-35s %15s %-16s\n", device, rReq_PS, wReq_PS, rKB_PS, wKB_PS, avgWaitMillis, avgSvcMillis, bandwUtilPct, OSName, OS_version, IP_address}'
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DEFINE="-v OSName=$(uname -s) -v OS_version=$(uname -r) -v IP_address=$(ifconfig -a | grep 'inet ' | grep -v 127.0.0.1 | cut -d\ -f2 | head -n 1)"
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# shellcheck disable=SC2016
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FILTER='BEGIN {FS="|"; after=0} /^Pause$/ {after=1; next} !/Bytes|Operations/ {next} {devices[$1]=$1; values[after,$1,$2]=$3; next}'
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FORMAT='{avgSvcMillis=bandwUtilPct="?";OSName=OSName;OS_version=OS_version;IP_address=IP_address;}'
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FUNC1='function getDeltaPS(disk, metric) {delta=values[1,disk,metric]-values[0,disk,metric]; return delta/2.0}'
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# Calculates the latency by pulling the read and write latency fields from darwin__disk_stats and evaluating their sum
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LATENCY='function getLatency(disk) {read=getDeltaPS(disk,"Latency Time (Read)"); write=getDeltaPS(disk,"Latency Time (Write)"); return expr read + write;}'
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FUNC2='function getAllDeltasPS(disk) {rReq_PS=getDeltaPS(disk,"Operations (Read)"); wReq_PS=getDeltaPS(disk,"Operations (Write)"); rKB_PS=getDeltaPS(disk,"Bytes (Read)")/1024; wKB_PS=getDeltaPS(disk,"Bytes (Write)")/1024; avgWaitMillis=getLatency(disk);}'
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SCRIPT="$HEADERIZE $FILTER $FUNC1 $LATENCY $FUNC2 END {$FORMAT for (device in devices) {getAllDeltasPS(device); $PRINTF}}"
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# shellcheck disable=SC2086
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$CMD | tee "$TEE_DEST" | awk $DEFINE "$SCRIPT" header="$HEADER"
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echo "Cmd = [$CMD]; | awk $DEFINE '$SCRIPT' header=\"$HEADER\"" >> "$TEE_DEST"
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exit 0
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fi
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# shellcheck disable=SC2086
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$CMD | tee "$TEE_DEST" | $AWK $DEFINE "$FILTER $PRINTF"
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echo "Cmd = [$CMD]; | $AWK $DEFINE '$FILTER'" >> "$TEE_DEST"
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