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|
cd $(dirname "$0")
. setup/parameters.sh
function nagios_find_host {
echo "$@" | grep -oP '\-H\s*\K[^\s]*'
}
function find_host_param {
local id="$1" && shift
local pname="$1" && shift
local defval="$1" && shift
local val=$(cat setup/${pname}.txt | grep -P "^$id" | awk '{ print $2 }')
[ -n "$val" ] || val="$defval"
echo -n "$val"
}
function nagios_find_host_param {
local pname="$1" && shift
local defval="$1" && shift
local host=$(nagios_find_host "$@")
find_host_param "$host" "$pname" "$defval"
}
function resolve_fqdn {
local host="$1" && shift
if [[ ! $host =~ \. ]]; then
local domain=$(find_host_param "$host" domains "$default_domain")
host+=".$domain"
fi
echo -n $host
}
function resolve_ip {
local host="$1" && shift
if [[ ! "$host" =~ ^[[:digit:]] ]]; then
local fqdn=$(resolve_fqdn "$host")
host=$(dig +short "$fqdn" A | head -n 1 | tr -d '\n')
if [ $? -ne 0 -o -z "$host" ]; then
echo "DNS resolution for host ($fqdn) failed: $(dig +short "$fqdn" A 2>&1)"
exit 2
fi
fi
echo -n "$host"
}
function nagios_run {
if [[ "$1" =~ ^- ]]; then
cmd=${nagios_plugins}/$(basename $0)
else
cmd=$1 && shift
[[ "$cmd" =~ ^/ ]] || cmd="${nagios_plugins}/$cmd"
fi
ARGS=""
while [[ $# -gt 0 ]]; do
key="$1" && shift
case "$key" in
-H)
host="$1" && shift
ip=$(resolve_ip "$host")
if [ $? -eq 0 -a -n "$ip" ]; then
ARGS+=" ${key} $ip"
else
echo "$ip"
exit $?
fi
;;
*)
ARGS+=" $key"
esac
done
[ -n "$debug" ] && echo "$(date) $cmd" "$ARGS" >> /tmp/nagios.log
eval "$cmd" "$ARGS"
}
function nagios_parse {
cmd="$1"; shift
output=$($cmd "$@")
exit_code=$?
if [ $exit_code -eq 0 ]; then
last_line=$(echo "$output" | tail -1)
status=$(echo $last_line | cut -d ' ' -f 1)
[[ "$status" =~ ^[0-9]$ ]] || status=0
echo -n ${last_line#$status}
else
status=0
fi
if [ $status -ne 1 ]; then
echo -n " -- "
lines=$(echo "$output" | sed '/^[[:space:]]*$/d' | wc -l)
if [ $lines -gt 1 ]; then
echo "$output" | sed '/^[[:space:]]*$/d' | head -n 1 | tr -d '\n'
echo " ... "
echo "------------------"
echo "$output" | head -n -1
else
echo "$output" | sed '/^[[:space:]]*$/d' | head -n -1
fi
else
echo
fi
if [ "$status" -eq 0 ]; then
exit "2"
elif [ "$status" -eq 1 ]; then
exit "0"
else
exit "1"
fi
}
|
