diff options
Diffstat (limited to 'nscaw')
-rwxr-xr-x | nscaw | 81 |
1 files changed, 0 insertions, 81 deletions
@@ -1,81 +0,0 @@ -#!/usr/bin/env bash - -# -# Command wrapper that sends an appropriate passive check to an NSCA server -# using send_nsca, depending on the command's outcome. -# -# Make sure send_nsca is in $PATH and that NSCAW_SERVER is set. -# -# $ nscaw IMPORTANT_JOB -- important-job -o options args ... -# -# Author: Tom Ryder <tom@sanctum.geek.nz> -# License: MIT -# - -# Name ourself -self=nscaw - -# If there's a defaults file with environment variables for us, source it -if [[ -r /etc/default/$self ]] ; then - source /etc/default/"$self" -fi - -# Define a function to explain how to use this script -usage() { - printf 'Usage: %s SERVICE -- COMMAND...\n' \ - "$self" -} - -# Respond to requests for help with usage (exit success) -case $1 in - -h|--help) - usage - exit 0 - ;; -esac - -# Check that at least three arguments are present and in the correct form -if (( $# < 3 )) || [[ $2 != -- ]] ; then - usage >&2 - exit 1 -fi - -# Pull the service from the first argument and shift the first two arguments -# off the arguments array; the rest of the array should be the command to run -service=$1 -shift 2 - -# Figure out our hostname; most of the time `hostname -s` will be fine, but -# it can be overridden with the value of NSCAW_HOSTNAME if defined -hostname=${NSCAW_HOSTNAME:-$(hostname -s)} - -# Figure out our username -username=$(whoami) - -# Attempt to run command within a time wrapper -# <http://mywiki.wooledge.org/BashFAQ/032> -exec 3>&1 4>&2 -TIMEFORMAT=$'real %3lR, user %3lU, sys %3lS\n' \ - time=$( { time "$@" 1>&3 2>&4 ; } 2>&1) ; ret=$? -exec 3>&- 4>&- - -# Decide return code and message based on command exit value -case $ret in - 0) - code=0 # OK - message=$(printf '%s: `%s` succeeded: %s' \ - "$self" "$*" "$time") - ;; - *) - code=2 # CRITICAL - message=$(printf '%s: `%s` failed (exit %d), USER %s, PATH=%s: %s' \ - "$self" "$*" "$ret" "$username" "$PATH" "$time") - ;; -esac - -# Format the passive check and pipe it into send_nsca; note that we ignore the -# stdout of send_nsca as it's just a diagnostic message -printf '%s\t%s\t%u\t%s\n' \ - "$hostname" "$service" "$code" "$message" | - send_nsca -H "${NSCAW_SERVER:-nsca}" \ - -c "${NSCAW_CONFIG:-/etc/send_nsca.cfg}" >/dev/null |