feat: Add disk, load and memory check scripts
Added three new scripts to check the status of disk usage, system load and memory usage. Each script takes in options for warning and critical levels, as well as an option to choose which average to use for the load level. The output includes information on used, available and total space/usage along with percentage values.
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117
check-disk.sh
Normal file
117
check-disk.sh
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#!/bin/bash
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#
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#/
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#/ Usage:
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#/ music-sync <options> -s|--source <source> -d|--dest <destination>
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#/ music-sync <options> <source> <destination>
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#/
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#/ Syncronises music from one folder to another.
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#/
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#/ Options:
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#/ -w, --warning=<level> The level of when to trigger a warning (level=loadavg/nproc)
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#/ -c, --critical=<level> The level of when to trigger a critical warning (level=loadavg/nproc)
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#/
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#/ Exit Codes:
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#/ 0 Everything OK
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#/ 1 Warning level exceeded
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#/ 2 Critical level exceeded
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#/ 3 Unknown status
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#/
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Usage() {
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grep '^#/' "${script_dir}/${script_name}" | sed 's/^#\/\w*//'
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}
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GetOptions() {
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# https://stackoverflow.com/a/29754866
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OPTIONS=w:c:
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LONGOPTS=warning:,critical:
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# -use ! and PIPESTATUS to get exit code with errexit set
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# -temporarily store output to be able to check for errors
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# -activate quoting/enhanced mode (e.g. by writing out “--options”)
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# -pass arguments only via -- "$@" to separate them correctly
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! PARSED=$(getopt --options=$OPTIONS --longoptions=$LONGOPTS --name "$0" -- "$@")
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if [[ ${PIPESTATUS[0]} -ne 0 ]]; then
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# e.g. return value is 1
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# then getopt has complained about wrong arguments to stdout
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Usage
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exit 2
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fi
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# read getopt's output this way to handle the quoting right:
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eval set -- "$PARSED"
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# now enjoy the options in order and nicely split until we see --
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while true; do
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case "$1" in
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-w|--warning)
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warn="$2"
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shift 2
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;;
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-c|--critital)
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crit="$2"
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shift 2
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;;
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--)
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shift
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break
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;;
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*)
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echo "DISK UNKNOWN - ${1} is not a valid parameter"
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exit 3
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;;
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esac
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done
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if [ -z ${1+x} ]; then
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echo "DISK UNKNOWN - Mountpoint not given"
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exit 3
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elif [ ! -d ${1} ]; then
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echo "DISK UNKNOWN - Mountpoint is not a directory"
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exit 3
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else
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disk=${1}
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fi
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}
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LC_NUMERIC="C"
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warn=0.7
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crit=0.9
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disk='/'
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script_name=$(basename "${0}")
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script_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
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possibleavarages=("1" "5" "15")
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GetOptions "$@"
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totalfull=$(df --output=size -B 1024 "${disk}" | tail -n 1 | xargs)
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availfull=$(df --output=avail -B 1024 "${disk}" | tail -n 1 | xargs)
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usedfull=$(df --output=used -B 1024 "${disk}" | tail -n 1 | xargs)
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val=$(echo "${usedfull}/${totalfull}" | bc -l)
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if (( $(echo "$val < ${warn}" | bc -l) )); then
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rval=0
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rmsg="OK"
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elif (( $(echo "$val < ${crit}" | bc -l) )); then
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rval=1
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rmsg="WARNING"
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else
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rval=2
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rmsg="CRITICAL"
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fi
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critfull=$(echo ${totalfull}\*${crit} | bc -l | awk '{ print int($1+0.5) }')
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warnfull=$(echo ${totalfull}\*${warn} | bc -l | awk '{ print int($1+0.5) }')
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minfull=0
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maxfull=${totalfull}
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unitfull="KiB"
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used100=$(printf %.1f $(echo ${val}\*100 | bc -l))
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crit100=$(printf %.1f $(echo ${crit}\*100 | bc -l))
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warn100=$(printf %.1f $(echo ${warn}\*100 | bc -l))
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min100=0
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max100=100
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unit100="%"
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echo "DISK ${rmsg} - Used: ${usedfull} Available: ${availfull} Total: ${totalfull}|disk=${usedfull}${unitfull};$warnfull;$critfull;$minfull;$maxfull disk%=${used100}${unit100};$warn100;$crit100;$min100;$max100"
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exit $rval
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121
check-load.sh
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121
check-load.sh
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@ -0,0 +1,121 @@
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#!/bin/bash
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#
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#/
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#/ Usage:
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#/ music-sync <options> -s|--source <source> -d|--dest <destination>
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#/ music-sync <options> <source> <destination>
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#/
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#/ Syncronises music from one folder to another.
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#/
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#/ Options:
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#/ -w, --warning=<level> The level of when to trigger a warning (level=loadavg/nproc)
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#/ -c, --critical=<level> The level of when to trigger a critical warning (level=loadavg/nproc)
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#/ -a, --average=<average> Which avarage to use for the load level (possible values are 1, 5 and 15)
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#/
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#/ Exit Codes:
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#/ 0 Everything OK
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#/ 1 Warning level exceeded
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#/ 2 Critical level exceeded
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#/ 3 Unknown status
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#/
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Usage() {
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grep '^#/' "${script_dir}/${script_name}" | sed 's/^#\/\w*//'
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}
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GetOptions() {
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# https://stackoverflow.com/a/29754866
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OPTIONS=w:c:a:
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LONGOPTS=warning:,critical:,avarage:
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# -use ! and PIPESTATUS to get exit code with errexit set
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# -temporarily store output to be able to check for errors
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# -activate quoting/enhanced mode (e.g. by writing out “--options”)
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# -pass arguments only via -- "$@" to separate them correctly
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! PARSED=$(getopt --options=$OPTIONS --longoptions=$LONGOPTS --name "$0" -- "$@")
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if [[ ${PIPESTATUS[0]} -ne 0 ]]; then
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# e.g. return value is 1
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# then getopt has complained about wrong arguments to stdout
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Usage
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exit 2
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fi
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# read getopt's output this way to handle the quoting right:
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eval set -- "$PARSED"
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# now enjoy the options in order and nicely split until we see --
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while true; do
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case "$1" in
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-w|--warning)
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warn="$2"
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shift 2
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;;
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-c|--critital)
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crit="$2"
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shift 2
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;;
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-a|--average)
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if [[ ! " ${possibleavarages[*]} " =~ " ${2} " ]]; then
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echo "LOAD UNKNOWN - ${2} is not a valid load avarage"
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exit 3
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fi
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check="$2"
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shift 2
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;;
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--)
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shift
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break
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;;
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*)
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echo "LOAD UNKNOWN - ${1} is not a valid parameter"
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exit 3
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;;
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esac
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done
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}
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warn=0.7
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crit=1
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check=5
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script_name=$(basename "${0}")
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script_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
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possibleavarages=("1" "5" "15")
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GetOptions "$@"
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nproc=$(nproc)
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LOADVAL1=$(awk '{ print $1; }' < /proc/loadavg)
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LOADVAL5=$(awk '{ print $2; }' < /proc/loadavg)
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LOADVAL15=$(awk '{ print $3; }' < /proc/loadavg)
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checkval=${LOADVAL5}
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case "$check" in
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"1")
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checkval=${LOADVAL1}
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;;
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"5")
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checkval=${LOADVAL5}
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;;
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"15")
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checkval=${LOADVAL15}
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;;
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esac
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val=$(echo ${checkval}/${nproc} | bc -l)
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if (( $(echo "$val < ${warn}" | bc -l) )); then
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rval=0
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rmsg="OK"
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elif (( $(echo "$val < ${crit}" | bc -l) )); then
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rval=1
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rmsg="WARNING"
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else
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rval=2
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rmsg="CRITICAL"
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fi
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crit=${nproc}
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warn=$(echo ${nproc}\*${warn} | bc -l)
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min=0
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unit=""
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echo "LOAD ${rmsg} - ${LOADVAL1} ${LOADVAL5} ${LOADVAL15}|load1m=${LOADVAL1}${unit};$warn;$crit;$min load5m=${LOADVAL5}${unit};$warn;$crit;$min load15m=${LOADVAL15}${unit};$warn;$crit;$min"
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exit $rval
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107
check-mem.sh
Normal file
107
check-mem.sh
Normal file
@ -0,0 +1,107 @@
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#!/bin/bash
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#
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#/
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#/ Usage:
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#/ music-sync <options> -s|--source <source> -d|--dest <destination>
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#/ music-sync <options> <source> <destination>
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#/
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#/ Syncronises music from one folder to another.
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#/
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#/ Options:
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#/ -w, --warning=<level> The level of when to trigger a warning (level=loadavg/nproc)
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#/ -c, --critical=<level> The level of when to trigger a critical warning (level=loadavg/nproc)
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#/
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#/ Exit Codes:
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#/ 0 Everything OK
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#/ 1 Warning level exceeded
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#/ 2 Critical level exceeded
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#/ 3 Unknown status
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#/
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Usage() {
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grep '^#/' "${script_dir}/${script_name}" | sed 's/^#\/\w*//'
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}
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GetOptions() {
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# https://stackoverflow.com/a/29754866
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OPTIONS=w:c:
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LONGOPTS=warning:,critical:
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# -use ! and PIPESTATUS to get exit code with errexit set
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# -temporarily store output to be able to check for errors
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# -activate quoting/enhanced mode (e.g. by writing out “--options”)
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# -pass arguments only via -- "$@" to separate them correctly
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! PARSED=$(getopt --options=$OPTIONS --longoptions=$LONGOPTS --name "$0" -- "$@")
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if [[ ${PIPESTATUS[0]} -ne 0 ]]; then
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# e.g. return value is 1
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# then getopt has complained about wrong arguments to stdout
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Usage
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exit 2
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fi
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# read getopt's output this way to handle the quoting right:
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eval set -- "$PARSED"
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# now enjoy the options in order and nicely split until we see --
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while true; do
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case "$1" in
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-w|--warning)
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warn="$2"
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shift 2
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;;
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-c|--critital)
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crit="$2"
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shift 2
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;;
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--)
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shift
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break
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;;
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*)
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echo "MEMORY UNKNOWN - ${1} is not a valid parameter"
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exit 3
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;;
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esac
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done
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}
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LC_NUMERIC="C"
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warn=0.7
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crit=0.9
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script_name=$(basename "${0}")
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script_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
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possibleavarages=("1" "5" "15")
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GetOptions "$@"
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totalfull=$(cat /proc/meminfo | grep MemTotal | awk '{ print $2; }')
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availfull=$(cat /proc/meminfo | grep MemAvailable | awk '{ print $2; }')
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usedfull=$(echo ${totalfull}-${availfull} | bc)
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val=$(echo "${usedfull}/${totalfull}" | bc -l)
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if (( $(echo "$val < ${warn}" | bc -l) )); then
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rval=0
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rmsg="OK"
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elif (( $(echo "$val < ${crit}" | bc -l) )); then
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rval=1
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rmsg="WARNING"
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else
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rval=2
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rmsg="CRITICAL"
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fi
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critfull=$(echo ${totalfull}\*${crit} | bc -l | awk '{ print int($1+0.5) }')
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warnfull=$(echo ${totalfull}\*${warn} | bc -l | awk '{ print int($1+0.5) }')
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minfull=0
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maxfull=${totalfull}
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unitfull="KiB"
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used100=$(printf %.1f $(echo ${val}\*100 | bc -l))
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crit100=$(printf %.1f $(echo ${crit}\*100 | bc -l))
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warn100=$(printf %.1f $(echo ${warn}\*100 | bc -l))
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min100=0
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max100=100
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unit100="%"
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echo "MEMORY ${rmsg} - Used: ${usedfull} Available: ${availfull} Total: ${totalfull}|mem=${usedfull}${unitfull};$warnfull;$critfull;$minfull;$maxfull mem%=${used100}${unit100};$warn100;$crit100;$min100;$max100"
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exit $rval
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