#!/bin/bash
# ======================================================================
#
# NAGIOS CLIENT CHECK :: check status of cronjobs executed with cronwrapper
#
# REQUIREMENTS
# - client uses a cronjob with cronwrapper (it creates parsable logs)
#
# It returns 
# - UNKNOWN if no job was found
# - OK if all jobs are ok
# - ERROR if minimum one job failes (wrong exitcode or is expired) 
#
# ----------------------------------------------------------------------
#
# ah=axel.hahn@iml.unibe.ch
# ds=daniel.schueler@iml.unibe.ch
#
# 2017-10-13  v1.0  ah,ds
# 2017-10-17  v1.1  ah,ds  remove PIPESTATUS for Debian8 compatibility
# 2019-04-30  v1.2  ah,ds  show scriptlabel of failed jobs in 1st line
# 2020-02-28  v1.3  ah,ds  ouput with separated error jobs and OK jobs
# 2020-03-05  v1.4  <axel.hahn@iml.unibe.ch> switch to ph.* helper functions
# 2022-02-28  v1.5  <axel.hahn@iml.unibe.ch> fix output of error counter
# 2022-08-23  v2.0  <axel.hahn@iml.unibe.ch> simplify it: use cronstatus.sh (it has exitcode >0 on errors now)
# ======================================================================


. $( dirname $0 )/inc_pluginfunctions

self_APPNAME=$( basename $0 | tr [:lower:] [:upper:] )
self_APPVERSION=2.0
statusScript=/opt/cronwrapper/cronstatus.sh

# ----------------------------------------------------------------------
# functions
# ----------------------------------------------------------------------

function showHelp(){
cat <<EOF
______________________________________________________________________

$self_APPNAME 
v$self_APPVERSION

(c) Institute for Medical Education - University of Bern
Licence: GNU GPL 3
______________________________________________________________________

Show status of all Cronjobs using Axels Cronwrapper
https://github.com/axelhahn/cronwrapper

The last run of each job is verified to these conditions:
- exitcode was 0
- last run is younger than given TTL


SYNTAX:
$(basename $0) [-h] [SCRIPT]

OPTIONS:

    -h or --help   show this help.

PARAMETERS:

    SCRIPT         optional: custom status script
                   default: $statusScript

EOF
}
# ----------------------------------------------------------------------
# MAIN
# ----------------------------------------------------------------------

# --- check param -h
case "$1" in
    "--help"|"-h")
        showHelp
        exit 0
        ;;
    *)
esac

test "$1" && statusScript="$1"

if [ ! -x "${statusScript}" ]; then
        ph.setStatus "unknown"
        ph.status Cronjob status - script not found/ not executable: "${statusScript}"
else

        out=$( $statusScript )
        rc=$?

        if [ $rc -ne 0 ]; then
                ph.setStatus "critical"
        else
                ph.setStatus "ok"
        fi
        ph.status Cronjob status $( echo "$out" | tail -1 )
        echo "$out" |  sed -r "s/\x1B\[([0-9]{1,3}(;[0-9]{1,2})?)?[mGK]//g"
fi
ph.exit

# ----------------------------------------------------------------------