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check_apt_cacher_ng
check_apt_cacher_ng
Permit to specify auth info by using -a parameter and improve wget call
Benjamin Renard
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6601dd9
at 2015-06-30 15:41:43
check_apt_cacher_ng
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#!/bin/bash # # Nagios plugin to check Apt-cacher-ng status # # This plugin check apt-cacher-ng status by asking report page. # It's able to parse result to retreive performance data. # # Copyright (c) 2015 Benjamin Renard <brenard@zionetrix.net> # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License version 2 # as published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # HOST=127.0.0.1 PORT=3142 REPORTPAGE=acng-report.html AUTHINFO="" USER="" PASS="" DO_PERFDATA=0 DEBUG=0 function usage() { cat << EOF Usage : check_apt_cacher_ng [-H hostaddress] [-p port] [-r reportpage] [-a user:pass] [-Pdh] -H hostaddress Specify apt-cacher-ng host address (default=127.0.0.1) -p post Specify apt-cacher-ng TCP port (default=3142) -r reportpage Specify apt-cacher-ng ReportPage parameter value (default=acng-report.html) -a user:pass Specify authentication informations with format 'user:pass' -P Include performance data -d Enable debug mode -h Show this help message EOF } while getopts "H:p:r:a:Pdh" OPTION do case $OPTION in H) HOST=$OPTARG ;; p) PORT=$OPTARG ;; r) REPORTPAGE=$OPTARG ;; a) AUTHINFO=$OPTARG USER=$( echo "$AUTHINFO"|cut -d':' -f 1 ) PASS=$( echo "$AUTHINFO"|cut -d':' -f 2 ) if [ -z "$USER" -o -z "$PASS" -o $( echo "$AUTHINFO"|grep -c ':' ) -ne 1 ] then echo "Authentification informations invalid. You must specify it using format : 'user:password'" usage exit 1 fi ;; P) DO_PERFDATA=1 ;; d) DEBUG=1 ;; h) usage exit 0 ;; \?) echo "Invalid option: -$OPTARG" >&2 usage exit 1 ;; :) echo "Option -$OPTARG requires an argument." >&2 usage exit 1 ;; esac done function debug() { [ $DEBUG -eq 1 ] && echo "[DEBUG] $1" } html2text -version > /dev/null 2>&1 if [ $? -ne 0 ] then echo "UNKNOWN : html2text command not found" exit 3 fi stats_url="http://$HOST:$PORT/$REPORTPAGE?doCount=Count+Data#top" debug "Get apt-cacher-ng stats from $HOST:$PORT (URL : $stats_url)" wget_cmd="wget -O - $stats_url" if [ -n "$AUTHINFO" ] then debug "Using auth info $USER:*****" wget_cmd="$wget_cmd --user=$USER --password=$PASS" fi [ $DEBUG -ne 1 ] && wget_cmd="$wget_cmd -q" stats=$( $wget_cmd ) res=$? debug "Wget return code : $res" if [ $res -ne 0 ] then case $res in 4) comment="(Network failure)" ;; 5) comment="(SSL verification failure)" ;; 6) comment="(Auth required)" ;; 7) comment="(Protocol errors)" ;; 8) comment="(Server issued an error response)" ;; *) comment="" ;; esac echo "CRITICAL : Fail to connect to apt-cacher-ng $comment" exit 2 fi stats_line=$( echo -e "$stats"|html2text -width 300|grep '^ *Period' -A 2|tail -n 1 ) if [ -z "$stats_line" ] then echo "WARNING : Fail to parse apt-cacher-ng stats page" exit 1 fi if [ $DO_PERFDATA -eq 1 ] then cache_req_hits_count=$( echo -e "$stats_line"|awk '{print $6}'|sed 's/^[^0-9]*//' ) cache_req_hits_per=$( echo -e "$stats_line"|cut -d '(' -f 2|cut -d')' -f 1|sed 's/^[^0-9]*//' ) cache_req_misses_count=$( echo -e "$stats_line"|awk '{print $8}'|sed 's/^[^0-9]*//' ) cache_req_misses_per=$( echo -e "$stats_line"|cut -d '(' -f 3|cut -d')' -f 1|sed 's/^[^0-9]*//' ) cache_req_total_count=$( echo -e "$stats_line"|awk '{print $10}'|sed 's/^[^0-9]*//' ) cache_data_hits_count=$( echo -e "$stats_line"|awk '{print $11$12}'|sed 's/^[^0-9]*//' ) cache_data_hits_per=$( echo -e "$stats_line"|cut -d '(' -f 4|cut -d')' -f 1|sed 's/^[^0-9]*//' ) cache_data_misses_count=$( echo -e "$stats_line"|awk '{print $14$15}'|sed 's/^[^0-9]*//' ) cache_data_misses_per=$( echo -e "$stats_line"|cut -d '(' -f 4|cut -d')' -f 1|sed 's/^[^0-9]*//' ) cache_data_total_count=$( echo -e "$stats_line"|awk '{print $17$18}'|sed 's/^[^0-9]*//' ) PERF_DATA="|cache_req_hits_count=$cache_req_hits_count" PERF_DATA="$PERF_DATA,cache_req_hits_per=$cache_req_hits_per" PERF_DATA="$PERF_DATA,cache_req_misses_count=$cache_req_misses_count" PERF_DATA="$PERF_DATA,cache_req_misses_per=$cache_req_misses_per" PERF_DATA="$PERF_DATA,cache_req_total_count=$cache_req_total_count" PERF_DATA="$PERF_DATA,cache_data_hits_count=$cache_data_hits_count" PERF_DATA="$PERF_DATA,cache_data_hits_per=$cache_data_hits_per" PERF_DATA="$PERF_DATA,cache_data_misses_count=$cache_data_misses_count" PERF_DATA="$PERF_DATA,cache_data_misses_per=$cache_data_misses_per" PERF_DATA="$PERF_DATA,cache_data_total_count=$cache_data_total_count" else PERF_DATA="" fi echo "OK - Apt-cacher-ng is running$PERF_DATA" exit 0