Created
June 16, 2016 11:26
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nagios check file age
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| #!/bin/bash | |
| NAGIOS_EXIT_OK=0 | |
| NAGIOS_EXIT_WARNING=1 | |
| NAGIOS_EXIT_CRITICAL=2 | |
| NAGIOS_EXIT_UNKOWN=3 | |
| FILES= | |
| function help_and_exit() { | |
| cat << EOF | |
| Usage: $0 -w [warning %] -c [critical %] filename filename ... | |
| Options: | |
| -w [0-99] = file age in hours | |
| -c [0-99] = file age in hours | |
| EOF | |
| exit $NAGIOS_EXIT_UNKOWN | |
| } | |
| while (( $# )); do | |
| case $1 in | |
| --help|-h) help_and_exit ;; | |
| -w) WARN="$2"; shift 2 ;; | |
| -c) CRIT="$2"; shift 2 ;; | |
| *) FILES+=" $1"; shift ;; | |
| esac | |
| done | |
| # no files given as parameters | |
| [[ -z "$FILES" ]] && help_and_exit | |
| # defaults | |
| [ -z "$WARN" ] && WARN=24 | |
| [ -z "$CRIT" ] && CRIT=48 | |
| TIME_WARN=$(date +%s --date="$WARN hours ago") | |
| TIME_CRIT=$(date +%s --date="$CRIT hours ago") | |
| EXIT_MSG=() | |
| EXIT_CODE=$NAGIOS_EXIT_OK | |
| for FILE in $FILES; do | |
| test -s $FILE | |
| case $? in | |
| 0) | |
| FILE_AGE=$(stat --format="%Y" $FILE) | |
| if [[ $FILE_AGE -lt $TIME_WARN ]]; then | |
| EXIT_MSG+=("WARNING - $FILE: $(date -d @$FILE_AGE)") | |
| (( EXIT_CODE |= NAGIOS_EXIT_WARNING )) | |
| continue | |
| fi | |
| if [[ $FILE_AGE -lt $TIME_CRIT ]]; then | |
| EXIT_MSG+=("CRITICAL - $FILE: $(date -d @$FILE_AGE)") | |
| (( EXIT_CODE |= NAGIOS_EXIT_CRITICAL )) | |
| continue | |
| fi | |
| EXIT_MSG+=("OK - $FILE: $(date -d @$FILE_AGE)") | |
| (( EXIT_CODE |= NAGIOS_EXIT_OK )) | |
| ;; | |
| *) | |
| EXIT_MSG+=("CRITICAL - zero size or does not exist: $FILE") | |
| (( EXIT_CODE |= NAGIOS_EXIT_CRITICAL )) | |
| ;; | |
| esac | |
| done | |
| (( EXIT_CODE & $NAGIOS_EXIT_CRITICAL )) && EXIT_CODE=$NAGIOS_EXIT_CRITICAL | |
| printf '%s\n' "${EXIT_MSG[@]}" | |
| exit $EXIT_CODE |
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