126 lines
3.5 KiB
Bash
126 lines
3.5 KiB
Bash
#!/bin/bash
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#
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#/
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#/ Usage:
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#/ check-env-temp.sh --critical-min=<centigrade> --warning-min=<centigrade> --warning-max=<centigrade> --critical-min=<centigrade> --help
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#/
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#/ Checks the memory usage
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#/
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#/ Options:
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#/ -c, --critical-min=<centigrade> The minimal degree centigrade of when to trigger a critical warning
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#/ -w, --warning-min=<centigrade> The minimal degree centigrade of when to trigger a warning
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#/ -W, --warning-max=<centigrade> The maximum degree centigrade of when to trigger a warning
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#/ -C, --critical-max=<centigrade> The maximum degree centigrade of when to trigger a critical warning
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#/ -h, --help Display this help message
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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=c:w:W:C:h
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LONGOPTS=critical-min:,warning-min:,:warning-max:,critical-max:,help
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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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-c|--critital-min)
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critmin="$2"
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shift 2
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;;
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-w|--warning-min)
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warnmin="$2"
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shift 2
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;;
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-W|--warning-max)
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warnmax="$2"
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shift 2
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;;
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-C|--critital-max)
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critmax="$2"
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shift 2
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;;
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-h|--help)
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Usage
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exit 0
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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 - ${1} is not a valid parameter"
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exit 3
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;;
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esac
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done
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}
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LC_NUMERIC="C"
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critmin=5
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warnmin=15
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warnmax=40
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critmax=45
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script_name=$(basename "${0}")
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script_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
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GetOptions "$@"
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json=$(temper --json)
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if [[ ${json} == '[]' ]]; then
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echo "MEMORY UNKNOWN - Temper USB not found"
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exit 3
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fi
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val=$(echo ${json} | jq '.[0]."internal temperature"' | bc -l)
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if (( $(echo "$val < ${critmin}" | bc -l) )); then
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rval=2
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rmsg="CRITICAL"
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elif (( $(echo "$val < ${warnmin}" | bc -l) )); then
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rval=1
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rmsg="WARNING"
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elif (( $(echo "$val < ${warnmax}" | bc -l) )); then
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rval=0
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rmsg="OK"
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elif (( $(echo "$val < ${critmax}" | bc -l) )); then
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rval=1
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rmsg="WARNING"
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else
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rval=2
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rmsg="CRITICAL"
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fi
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dval=$(printf %.2f $(echo ${val}\ | bc -l))
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dcritmin=$(printf %.2f $(echo ${critmin}\ | bc -l))
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dwarnmin=$(printf %.2f $(echo ${warnmin}\ | bc -l))
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dwarnmax=$(printf %.2f $(echo ${warnmax}\ | bc -l))
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dcritmax=$(printf %.2f $(echo ${critmax}\ | bc -l))
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unit="°"
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echo "ENV TEMP ${rmsg} - Temperature: ${dval} |temp=${dval}${unit};${dwarnmin}:${dwarnmax};${dcritmin}:${dcritmax}"
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exit $rval
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