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check_onehost 2.65 KiB
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#!/bin/bash
# ======================================================================
#
# Check ONEHOST
#
# requirements:
# - sudo onehost
#
# ----------------------------------------------------------------------
# 2023-06-09  v1.0  <axel.hahn@unibe.ch>  initial version
# ======================================================================


. $(dirname $0)/inc_pluginfunctions

self_APPNAME=$( basename $0 | tr [:lower:] [:upper:] )
self_APPVERSION=1.0

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

function showHelp(){
cat <<EOF
______________________________________________________________________

$self_APPNAME 
v$self_APPVERSION

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

show count of hosts in OpenNebula and warn if a host is down.

SYNTAX:
$(basename $0) [ -w value -c value -h ]

    -w VALUE       cpu usage warning level  (default: 1)
    -c VALUE       cpu usage critical level (default: 2)
    -h or --help   show this help.

PARAMETERS:

    None.

EXAMPLE:
$(basename $0) -c 1   set to critical if the 1st host is off.

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

# --- check required tools
ph.require onehost

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

# --- set optional limits
typeset -i iWarnLimit=$(     ph.getValueWithParam 1 w "$@")
typeset -i iCriticalLimit=$( ph.getValueWithParam 2 c "$@")


# --- get data
cmdout=$( sudo onehost list --csv 2>&1 )

if ! grep "ID,NAME" <<< "$cmdout" >/dev/null; then
        ph.setStatus "unknown"
        echo "$cmdout"
        ph.exit
fi

# header=$( head -1 <<< "$cmdout" )
csvdata=$( echo "$cmdout" | sed -n '2,$p' )

# --- get result

out=""
typeset -i iTotal; iTotal=$( echo "$csvdata" | wc -l )
typeset -i iOn;    iOn=$(    echo "$csvdata" | grep -c "on$" )
typeset -i iOther; iOther=$iTotal-$iOn

ph.perfadd "total"   "${iTotal}"
ph.perfadd "on"      "${iOn}"
ph.perfadd "other"   "${iOther}"


if [ $iOther -ge $iCriticalLimit ]; then
        out="ERROR: not all hosts are up - count $iOther reached critical value $iCriticalLimit"
        ph.setStatus "critical"
elif [ $iOther -ge $iWarnLimit ]; then
        out="ERROR: not all hosts are up - count $iOther reached critical value $iWarnLimit"
        ph.setStatus "warning"        
fi

ph.status "ONEHOST - Total: $iTotal .. on: $iOn .. other: $iOther"
echo "$cmdout"
echo "$out"
ph.exit