edit '''/etc/default/snmpd''' : remove ''-u snmp'' and replace ''127.0.0.1'' with your ip(ie : 207.46.250.119), Full'''/etc/default/snmpd''' example:

echo rouser my_username priv >> /etc/snmp/snmpd.conf

snmpwalk -v 3 -u my_usrname my_username -l authPriv -a MD5 -A my_password -x DES -X my_password 207.46.250.119$(hostname -i)

if [ $RET1 -gt $RET2 ]; then

=== nagios plugin/failcnt in python check_vzquota Without SNMP ===<source lang=python"bash">#!/bin/bashRET=0DATA=`echo;sudo /usr/sbin/vzlist -1 2>/dev/null | xargs -I {} bash -c "echo {}:;sudo /usr/sbin/vzquota stat {} | sed 's/\*//g'"`if [ -z "$DATA" ]; then VPS_err=$(sudo /usr/binsbin/vzlist -1 2>&1 1>/dev/pythonnull)# Copyright if [ -n "$VPS_err" ] && [ "$VPS_err" == "Container(Cs) 2008 Christian Benkenot found" ]; then echo "OK - $VPS_err"; exit 0; else# Distributed under the terms of the GNU General Public License v2 if [ -n "$VPS_err" ]; then# v0.1 2008 echo "UNKNOWN -04Error: $VPS_err"; else echo "UNKNOWN -03VZquota stats are not readable or empty. Maybe it is only readable for root and this script should be called by sudo."; fi exit 3; fi# Christian Benke <benkokakao gmail com>fi

veid=''== check_ubc Without SNMP ===<source lang="bash">#!/bin/bash# Servicestate description can have a http-link to the openvz-wiki# in case that a ressource is warning/critical. To use it:# 1. set "escape_html_tags=0" in nagios/etc/cgi.cfg# 2. set "my $linked=1;" in the first perl lines in this script#current_dataexport FILE=dict()/tmp/check_ubcoptsRET=None0beancounter_dataubc_file=open('/proc/user_beancounters',;DATA='';if [ -r')$ubc_file ]; thenpicklefilepath DATA='/tmp/beancounters_pickledump'`cat $ubc_file`fiif [ -z "$DATA" ]; then echo "UNKNOWN - $ubc_file is not readable or empty. Maybe it is only readable for root and this script should be called by sudo."; exit 3;fi

#if [ -f $FILE ]; thenecho "$DATA" | perl -n -e'use Data::Dumper;my $linked=1; # 0:plain text output, 1:resourcename is a http-link to OpenVZ-wikimy $file=$ENV{"FILE"};my $ret=0 ;my $vid ;my $resource ;my $held ;my $maxheld ;my $barrier ;my $limit ;my $failcnt ;my %beancounters ;my %beancounters_old ;while(<STDIN>){ my %vmachine; if ( /\D*(\d+):.*/ ){ $vid=$1; $beancounters{$vid}=\%vmachine ; } if ( /^[\W\d]+([a-z]+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+).*/ ) { $resource=$1 ; $held=$2 ; $maxheld=$3 ; $barrier=$4 ; $limit=$5 ; $failcnt=$6 ; ${beancounters{$vid}}{$resource}=[$held , $maxheld , $barrier , $limit ,$failcnt ]; if ( ($held > $barrier) && ($barrier != 0) ) { print "WARNING: Limits on $vid: ".&url($resource,$linked)." held->$held , barrier- find the hostname for each veid -->$barrier ( limit->$limit ) " ; $ret=1; } #print "$vid:$resource $held Barrier:$barrier "; }}

def find_veid# read and parse old dataopen(MYINPUTFILE, "<$file");while(veid<MYINPUTFILE>):{ my %vmachine; veid_conf=openif ('/etc/vz/conf/' \D*(\d+ str(veid) + ':.conf','r'*/ ){ $vid=$1; $beancounters_old{$vid}=\%vmachine ; } for line in veid_conf: if "HOSTNAME" in line: quotes=re.compile("/^[\W\""d]+([a-z]+) line=quotes.sub\s+("",line\d+) linefeed=re.compile\s+("\n"d+) line=linefeed.sub\s+("",line\d+) fqdn=re.split\s+('=',line\d+) hostname=re.split\s+('\d+).',fqdn[*/ ) { $resource=$1]); $held=$2 ; $maxheld=$3 ; $barrier=$4 ; $limit=$5 ; $failcnt=$6 ; ${beancounters_old{$vid}}{$resource}=[0$held , $maxheld , $barrier , $limit ,$failcnt ]; } return hostname}

# ---------- send mail in case of a counter-changeforeach my $vmachine_id (keys %beancounters) {def send_mail foreach my $resource (count_changekeys %{$beancounters{$vmachine_id}} ):{ mailfrom = 'root@' + str if ( defined($beancounters{$vmachine_id}{$resource}[4]) && defined(host$beancounters_old{$vmachine_id}{$resource}[4]) ){ my $failcnt=$beancounters{$vmachine_id}{$resource}[4]; my $failcnt_old=$beancounters_old{$vmachine_id}{$resource}[4]; mailto my $held= 'tech@inqnet.at'$beancounters{$vmachine_id}{$resource}[0]; mailsubject my $maxheld= 'Beancounters changed in the last 5 minutes'$beancounters{$vmachine_id}{$resource}[1]; mailbody my $barrier=$beancounters{$vmachine_id}{$resource}[2]; my $limit= 'The Beancounter-failcnt value of the following veid(s) and $beancounters{$vmachine_id}{$resource}[3]; if (s$failcnt_old < $failcnt ) has \nincreased in the last 5 minutes{ print "CRITICAL: Increased failcnt $vmachine_id:\n\n' server = smtplib".SMTPurl('localhost'$resource,$linked) server.sendmail" from $failcnt_old to $failcnt (mailfromheld->$held , maxheld->$maxheld , [mailto]barrier->$barrier , '''\limit->$limit ) " ; $ret=2; }From #print "$vmachine_id: Old_Failcnt: $failcnt_old Failcnt:''' + mailfrom + '''$failcnt \n";\nTo:''' + mailto + '''\ }\nSubject:''' + mailsubject + '''\ }

}sub url { my ($name,$with_link) = @_; if ($with_link) { return "<a target=\"_blank\" href=\"http://wiki.openvz.org/".$name."#".$name."\">$name</a>"; } else { return $name; }}if ($ret == 0 ) { print "OK: All bean counters fine \n''' + mailbody + count_change" ; }# print Dumper(%beancounters_old);# print "\n"; server.quitexit($ret);'

def compare_data(beancounter_data,data_read,count): barrier_break=str() count_change=str() for line in beancounter_data: if 'Version' in line or 'uid' in line or 'dummy' in line: continue else: fields=line.split( ) if len(fields) == 7: i=0 veid=int(fields[0][:-1]) fields.pop(0) #remove the first element current_data[veid]=dict() current_data[veid][fields[0]]=fields else: i=i+1 current_data[veid][fields[0]]=fields if data_read and count == True and data_read is not '0': #comparing counters of new data with previous run if data_read[veid][fields[0]][5] < current_data[veid][fields[0]][5]: if int(veid) != 0: hostname=find_veid(veid) else: hostname='OpenVZ Hardware Node' count_change=str(count_change) + str(hostname) + ': ' + str(fields[0]) + ' failcnt has changed from ' + data_read[veid][fields[0]][5] + ' to ' + str(current_data[veid][fields[0]][5]) + '\n'  if count == False: #comparing current level with barrier/limit if current_data[veid][fields[0]][0] == 'oomguarpages': #for oomguarpages and physpages only the limit-value is relevant if int(current_data[veid][fields[0]][1]) > int(current_data[veid][fields[0]][4])*0.9: barrier_break = str(barrier_break) + str(veid) + ': ' + str(current_data[veid][fields[0]][0]) + ' ' elif current_data[veid][fields[0]][0] == 'physpages': if int(current_data[veid][fields[0]][1]) > int(current_data[veid][fields[0]][4])*0.9: barrier_break = str(barrier_break) + str(veid) + ': ' + str(current_data[veid][fields[0]][0]) + ' ' else: if int(current_data[veid][fields[0]][1]) > int(current_data[veid][fields[0]][3])*0.9: barrier_break = str(barrier_break) + str(veid) + ': ' + str(current_data[veid][fields[0]][0]) + ' ' if barrier_break and count == False: print barrier_break sys.exit(2) elif count == False: print 'All Beancounters OK' sys.exit(0)  if count_change and count == True: send_mail(count_change) return current_data elif count == True: return current_data  # ----- pickle data - read or write def pickle_data(current_data,action,count,picklefilepath): try: picklefile = None if action == 'write': if current_data: picklefile=open(picklefilepath,'w') pickle.dump(current_data, picklefile) picklefile.close() return else: print 'current_data is empty: ' + str(current_data) elif action == 'read': picklefile=open(picklefilepath,'r') data_read=pickle.load(picklefile) picklefile.close() if data_read: return data_read else: print 'DATA_READ IS NONE:' + str(data_read) return data_read except IOError: current_data = compare_data(beancounter_data,'0',count) picklefile=open(picklefilepath,'w') pickle.dump(current_data,picklefile) picklefile.close() # ------- print script usage def usage(prog=echo "check_beancounters.py$DATA"):> $FILE print """check_beancounters.py : Check if resource-values break barriers or limits and failcounters increase  check_beancounters.py [-tfh]  -h print this message  -t Check if failcnt-values have increased since the last run -f Check if current value of a resource is higher than barrier/limit """  opts=getopt.getopt(sys.argv[1:], 'thf')if opts: if opts[0]==[]: usage(); sys.exit(0) elif opts[0][0][0]=='-h': usage(); sys.exit(0) elif opts[0][0][0]=='-t': count=True elif opts[0][0][0]=='-f': count=False  data_read=pickle_data(current_data,'read',count,picklefilepath)current_data = compare_data(beancounter_data,data_read,count)pickle_data(current_data,'write',count,picklefilepath)$RET

 [[Category: HOWTOMonitoring]]