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#!/bin/sh
# Copyright 2017 Peter Palfrader
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# wrap a nagios check and write a status-file to be used with dsa-check-statusfile
set -u
STATUSDIR=/var/cache/dsa/nagios
usage(){
ret=$1
cat <<EOF
$0: usage:
$0 <options> <nagios-check> [nagios-check-options]
Calls nagios-check and stores its result in a state
file in status-dir. The state file is named after
the nagios check (but can be overridden with -s).
-S <dir> state dir ($STATUSDIR)
-s <filename> state file name
-h print this help
EOF
exit $ret
}
while getopts S:s:h opt ; do
case "$opt" in
S) STATUSDIR="$OPTARG" ;;
s) STATUSFILE="$OPTARG";;
h) usage 0 ;;
?) usage 1 ;;
esac
done
shift $(($OPTIND - 1))
if [ "$#" = 0 ]; then
usage 1 >&2
fi
if [ -z "${STATUSFILE:-}" ]; then
STATUSFILE="$(basename "$1")"
fi
if ! [ -d "$STATUSDIR" ]; then
echo >&2 "status directory $STATUSDIR does not exist."
exit 3
fi
tmp=`mktemp`
trap "rm -f '$tmp'" exit
"$@" > "$tmp" 2>&1
result="$?"
case "$result" in
0)
st="OK"
;;
1)
st="WARNING"
;;
2)
st="CRITICAL"
;;
*)
st="UNKNOWN"
;;
esac
(echo "$st"; cat "$tmp") > "$STATUSDIR/$STATUSFILE"
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