/
process_perfdata.pl.in
1642 lines (1510 loc) · 54.8 KB
/
process_perfdata.pl.in
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#!@PERL@
# nagios: -epn
## @PKG_NAME@–@PKG_VERSION@
## Copyright (c) 2005-2015 Joerg Linge (http://www.pnp4nagios.org)
##
## This program is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 2
## of the License, or (at your option) any later version.
##
## 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.
@PERL_LIB_PATH_CODE@
if( $< == 0 ){
print "dont try this as root \n";
exit 1;
}
use warnings;
use strict;
use POSIX;
use Getopt::Long;
use Time::HiRes qw(gettimeofday tv_interval);
use vars qw ( $TEMPLATE %NAGIOS $t0 $t1 $rt $delayed_write $rrdfile @ds_create $count $line $name $ds_update $dstype %CTPL);
my %conf = (
TIMEOUT => 15,
CFG_DIR => "@sysconfdir@/",
USE_RRDs => 1,
RRDPATH => "@PERFDATA_DIR@",
RRDTOOL => "@RRDTOOL@",
RRD_STORAGE_TYPE => "SINGLE",
RRD_HEARTBEAT => 8640,
RRA_STEP => 60,
RRA_CFG => "@sysconfdir@/rra.cfg",
STATS_DIR => "@localstatedir@/stats",
LOG_FILE => "@PERFDATA_LOG@",
LOG_FILE_MAX_SIZE => "10485760", #Truncate after 10MB
LOG_LEVEL => @DEBUG@,
XML_ENC => "UTF-8",
XML_UPDATE_DELAY => 0, # Write XML only if file is older then XML_UPDATE_DELAY seconds
RRD_DAEMON_OPTS => "",
GEARMAN_HOST => "localhost:4730", # How many gearman worker childs to start
PREFORK => 2, # How many gearman worker childs to start
REQUESTS_PER_CHILD => 20000, # Restart after a given count of requests
ENCRYPTION => 1, # Decrypt mod_gearman packets
KEY => 'should_be_changed',
KEY_FILE => '@sysconfdir@/secret.key',
UOM2TYPE => { 'c' => 'DERIVE', 'd' => 'DERIVE' },
IGNORE_HOST_PATTERN => '',
IGNORE_SERVICE_PATTERN => '',
IGNORE_LABEL_PATTERN => '',
);
my %const = (
XML_STRUCTURE_VERSION => "@XML_STRUCTURE_VERSION@",
VERSION => "@PKG_VERSION@",
);
#
# Dont change anything below these lines ...
#
#
# "rrdtool create" Syntax
#
my @default_rrd_create = ( "RRA:AVERAGE:0.5:1:2880", "RRA:AVERAGE:0.5:5:2880", "RRA:AVERAGE:0.5:30:4320", "RRA:AVERAGE:0.5:360:5840", "RRA:MAX:0.5:1:2880", "RRA:MAX:0.5:5:2880", "RRA:MAX:0.5:30:4320", "RRA:MAX:0.5:360:5840", "RRA:MIN:0.5:1:2880", "RRA:MIN:0.5:5:2880", "RRA:MIN:0.5:30:4320", "RRA:MIN:0.5:360:5840", );
Getopt::Long::Configure('bundling');
my ( $opt_d, $opt_V, $opt_h, $opt_i, $opt_n, $opt_b, $opt_s, $opt_gm, $opt_pidfile,$opt_daemon );
my $opt_t = my $opt_t_default = $conf{TIMEOUT}; # Default Timeout
my $opt_c = $conf{CFG_DIR} . "process_perfdata.cfg";
GetOptions(
"V" => \$opt_V,
"version" => \$opt_V,
"h" => \$opt_h,
"help" => \$opt_h,
"i" => \$opt_i,
"inetd" => \$opt_i,
"b=s" => \$opt_b,
"bulk=s" => \$opt_b,
"d=s" => \$opt_d,
"datatype=s" => \$opt_d,
"t=i" => \$opt_t,
"timeout=i" => \$opt_t,
"c=s" => \$opt_c,
"config=s" => \$opt_c,
"n" => \$opt_n,
"npcd" => \$opt_n,
"s" => \$opt_s,
"stdin" => \$opt_s,
"gearman:s" => \$opt_gm,
"daemon" => \$opt_daemon,
"pidfile=s" => \$opt_pidfile,
);
parse_config($opt_c);
$conf{'GLOBAL_RRD_STORAGE_TYPE'} = uc($conf{'RRD_STORAGE_TYPE'}); # store the initial value for later use
my %stats = init_stats();
my $cypher;
#
# RRDs Perl Module Detection
#
if ( $conf{USE_RRDs} == 1 ) {
unless ( eval "use RRDs;1" ) {
$conf{USE_RRDs} = 0;
}
}
#
# Include Gearman modules if needed
#
if ( defined($opt_gm) ) {
unless ( eval "use Gearman::Worker;1" ) {
print "Perl module Gearman::Worker not found\n";
exit 1;
}
unless ( eval "use MIME::Base64;1" ) {
print "Perl module MIME::Base64 not found\n";
exit 1;
}
unless ( eval "use Crypt::Rijndael;1" ) {
print "Perl module Crypt::Rijndael not found\n";
exit 1;
}
}
print_help() if ($opt_h);
print_version() if ($opt_V);
# Use the timeout specified on the command line and if none use what is in the configuration
# If timeout is not in command line or the config file use the default
$opt_t = $conf{TIMEOUT} if ( $opt_t == $opt_t_default && $opt_t != $conf{TIMEOUT} );
print_log( "Default Timeout: $opt_t_default secs.", 2 );
print_log( "Config Timeout: $conf{TIMEOUT} secs.", 2 );
print_log( "Actual Timeout: $opt_t secs.", 2 );
init_signals();
my %children = (); # keys are current child process IDs
my $children = 0; # current number of children
if( ! defined($opt_gm) ){
#
# synchronos / bulk / npcd mode
#
main();
}else{
#
# Gearman worker main loop
#
print_log( "process_perfdata.pl-$const{VERSION} Gearman Worker Daemon", 0 );
if($opt_gm =~ /:\d+/ ){
$conf{'GEARMAN_HOST'} = $opt_gm;
}
if($conf{ENCRYPTION} == 1){
print_log( "Encryptions is enabled", 0 );
read_keyfile($conf{'KEY_FILE'});
# fill key up to 32 bytes
$conf{'KEY'} = substr($conf{'KEY'},0,32) . chr(0) x ( 32 - length( $conf{'KEY'} ) );
$cypher = Crypt::Rijndael->new( $conf{'KEY'}, Crypt::Rijndael::MODE_ECB() );
}
daemonize();
}
#
# Subs
#
# Main function to switch to the right mode.
sub main {
my $job = shift;
my $t0 = [gettimeofday];
my $rt;
my $lines = 0;
# Gearman Worker
if (defined $opt_gm) {
print_log( "Gearman Worker Job start", 1 );
%NAGIOS = parse_env($job->arg);
$lines = process_perfdata();
$rt = tv_interval($t0, [gettimeofday]);
$stats{runtime} += $rt;
$stats{rows}++;
if( ( int $stats{timet} / 60 ) < ( int time / 60 )){
store_internals();
init_stats();
}
print_log( "Gearman job end (runtime ${rt}s) ...", 1 );
return 1;
} elsif ( $opt_b && !$opt_n && !$opt_s ) {
# Bulk mode
alarm($opt_t);
print_log( "process_perfdata.pl-$const{VERSION} starting in BULK Mode called by Nagios", 1 );
$lines = process_perfdata_file();
} elsif ( $opt_b && $opt_n && !$opt_s ) {
# Bulk mode with npcd
alarm($opt_t);
print_log( "process_perfdata.pl-$const{VERSION} starting in BULK Mode called by NPCD", 1 );
$lines = process_perfdata_file();
} elsif ( $opt_s ) {
# STDIN mode
alarm($opt_t);
print_log( "starting in STDIN Mode", 1 );
$lines = process_perfdata_stdin();
} else {
# Synchronous mode
$opt_t = 5 if $opt_t > 5; # maximum timeout
alarm($opt_t);
print_log( "process_perfdata.pl-$const{VERSION} starting in SYNC Mode", 1 );
%NAGIOS = parse_env();
$lines = process_perfdata();
}
$rt = tv_interval($t0, [gettimeofday]);
$stats{runtime} = $rt;
$stats{rows} = $lines;
store_internals();
print_log( "PNP exiting (runtime ${rt}s) ...", 1 );
exit 0;
}
#
# Parse %ENV and return a global hash %NAGIOS
#
sub parse_env {
my $job_data = shift;
%NAGIOS = ();
$NAGIOS{DATATYPE} = "SERVICEPERFDATA";
if(defined $opt_gm){
# Gearman Worker
$job_data = decode_base64($job_data);
if($conf{ENCRYPTION} == 1){
$job_data = $cypher->decrypt( $job_data );
}
my @LINE = split(/\t/, $job_data);
foreach my $k (@LINE) {
$k =~ /([A-Z 0-9_]+)::(.*)$/;
$NAGIOS{$1} = $2 if ($2);
}
if ( !$NAGIOS{HOSTNAME} ) {
print_log( "Gearman job data missmatch. Please check your encryption key.", 0 );
return %NAGIOS;
}
} elsif ( defined($opt_b) || defined($opt_s) ){
# Bulk Mode/Stdin Mode
my @LINE = split(/\t/, $job_data);
foreach my $k (@LINE) {
$k =~ /([A-Z 0-9_]+)::(.*)$/;
$NAGIOS{$1} = $2 if ($2);
}
}else{
if ( ( !$ENV{NAGIOS_HOSTNAME} ) and ( !$ENV{ICINGA_HOSTNAME} ) ) {
print_log( "Cant find Nagios Environment. Exiting ....", 1 );
exit 2;
}
foreach my $key ( sort keys %ENV ) {
if ( $key =~ /^(NAGIOS|ICINGA)_(.*)/ ) {
$NAGIOS{$2} = $ENV{$key};
}
}
}
if ($opt_d) {
$NAGIOS{DATATYPE} = $opt_d;
}
$NAGIOS{DISP_HOSTNAME} = $NAGIOS{HOSTNAME};
$NAGIOS{DISP_SERVICEDESC} = $NAGIOS{SERVICEDESC};
$NAGIOS{HOSTNAME} = cleanup( $NAGIOS{HOSTNAME} );
$NAGIOS{SERVICEDESC} = cleanup( $NAGIOS{SERVICEDESC} );
$NAGIOS{PERFDATA} = $NAGIOS{SERVICEPERFDATA};
$NAGIOS{CHECK_COMMAND} = $NAGIOS{SERVICECHECKCOMMAND};
if ( $NAGIOS{DATATYPE} eq "HOSTPERFDATA" ) {
$NAGIOS{SERVICEDESC} = "_HOST_";
$NAGIOS{DISP_SERVICEDESC} = "Host Perfdata";
$NAGIOS{PERFDATA} = $NAGIOS{HOSTPERFDATA};
$NAGIOS{CHECK_COMMAND} = $NAGIOS{HOSTCHECKCOMMAND};
}
print_log( "Datatype set to '$NAGIOS{DATATYPE}' ", 2 );
return %NAGIOS;
}
#
# Perfdata sanity check
#
sub process_perfdata {
if ( keys( %NAGIOS ) == 1 && defined($opt_gm) ) {
$stats{skipped}++;
return 1;
}
if ( ! defined($NAGIOS{PERFDATA}) && ! defined($opt_gm) ) {
print_log( "No Performance Data for $NAGIOS{HOSTNAME} / $NAGIOS{SERVICEDESC} ", 1 );
if ( !$opt_b && !$opt_s ) {
print_log( "PNP exiting ...", 1 );
exit 3;
}
}
# Check if we want to ignore the host
my $pattern = $conf{IGNORE_HOST_PATTERN};
if ( $pattern ne '' && $NAGIOS{HOSTNAME} =~ /$pattern/) {
print_log( "Ignoring host due to a pattern: $NAGIOS{HOSTNAME}", 1 );
next;
}
# Check if we want to ignore the service
$pattern = $conf{IGNORE_SERVICE_PATTERN};
if ( $pattern ne '' && $NAGIOS{SERVICEDESC} =~ /$pattern/) {
print_log( "Ignoring service due to a pattern: $NAGIOS{SERVICEDESC}", 1 );
next;
}
if ( $NAGIOS{PERFDATA} =~ /^(.*)\s\[(.*)\]$/ ) {
$NAGIOS{PERFDATA} = $1;
$NAGIOS{CHECK_COMMAND} = $2;
print_log( "Found Perfdata from Distributed Server $NAGIOS{HOSTNAME} / $NAGIOS{SERVICEDESC} ($NAGIOS{PERFDATA})", 1 );
}
else {
print_log( "Found Performance Data for $NAGIOS{HOSTNAME} / $NAGIOS{SERVICEDESC} ($NAGIOS{PERFDATA}) ", 1 );
}
$NAGIOS{PERFDATA} =~ s/,/./g;
$NAGIOS{PERFDATA} =~ s/\s+=/=/g;
$NAGIOS{PERFDATA} =~ s/=\s+/=/g;
$NAGIOS{PERFDATA} =~ s/\\n//g;
$NAGIOS{PERFDATA} .= " ";
parse_perfstring( $NAGIOS{PERFDATA} );
return 1;
}
#
# Process Perfdata in Bulk Mode
#
sub process_perfdata_file {
if ( $opt_b =~ /-PID-(\d+)/ ) {
print_log( "Oops: $opt_b already processed by $1 - please check timeout settings", 0 );
}
print_log( "searching for $opt_b", 2 );
if ( -e "$opt_b" ) {
my $pdfile = "$opt_b" . "-PID-" . $$;
print_log( "renaming $opt_b to $pdfile for bulk update", 2 );
unless ( rename "$opt_b", "$pdfile" ) {
print_log( "ERROR: rename $opt_b to $pdfile failed", 1 );
exit 4;
}
print_log( "reading $pdfile for bulk update", 2 );
open( PDFILE, "< $pdfile" );
my $count = 0;
while (<PDFILE>) {
my $job_data = $_;
$count++;
print_log( "Processing Line $count", 2 );
my @LINE = split(/\t/);
%NAGIOS = (); # cleaning %NAGIOS Hash
#foreach my $k (@LINE) {
# $k =~ /([A-Z 0-9_]+)::(.*)$/;
# $ENV{ 'NAGIOS_' . $1 } = $2 if ($2);
#}
parse_env($job_data);
if ( $NAGIOS{SERVICEPERFDATA} || $NAGIOS{HOSTPERFDATA} ) {
process_perfdata();
} else {
print_log( "No Perfdata. Skipping line $count", 2 );
$stats{skipped}++;
}
}
print_log( "$count lines processed", 1 );
if ( unlink("$pdfile") == 1 ) {
print_log( "$pdfile deleted", 1 );
}else {
print_log( "Could not delete $pdfile:$!", 1 );
}
return $count;
}
else {
print_log( "ERROR: File $opt_b not found", 1 );
}
}
#
# Process Perfdata in STDIN Mode
#
sub process_perfdata_stdin {
print_log( "reading from STDIN for bulk update", 2 );
my $count = 0;
while (<STDIN>) {
my $job_data = $_;
$count++;
print_log( "Processing Line $count", 2 );
my @LINE = split(/\t/);
%NAGIOS = (); # cleaning %NAGIOS Hash
parse_env($job_data);
if ( $NAGIOS{SERVICEPERFDATA} || $NAGIOS{HOSTPERFDATA} ) {
process_perfdata();
} else {
print_log( "No Perfdata. Skipping line $count", 2 );
$stats{skipped}++;
}
}
print_log( "$count lines processed", 1 );
return $count;
}
#
# Write Data to RRD Files
#
sub data2rrd {
my @data = @_;
my @rrd_state = ();
my $rrd_storage_type;
print_log( "data2rrd called", 2 );
$NAGIOS{XMLFILE} = $conf{RRDPATH} . "/" . $data[0]{hostname} . "/" . $data[0]{servicedesc} . ".xml";
$NAGIOS{SERVICEDESC} = $data[0]{servicedesc};
$NAGIOS{DISP_SERVICEDESC} = $data[0]{disp_servicedesc};
$NAGIOS{AUTH_SERVICEDESC} = $data[0]{auth_servicedesc} || "";
$NAGIOS{AUTH_HOSTNAME} = $data[0]{auth_hostname} || "";
$NAGIOS{MULTI_PARENT} = "";
$NAGIOS{MULTI_PARENT} = $data[0]{multi_parent} || "";
$TEMPLATE = $data[0]{template};
unless ( -d "$conf{RRDPATH}" ) {
unless ( mkdir "$conf{RRDPATH}" ) {
print_log( "mkdir $conf{RRDPATH}, permission denied ", 1 );
print_log( "PNP exiting ...", 1 );
exit 5;
}
}
unless ( -d "$conf{RRDPATH}/$NAGIOS{HOSTNAME}" ) {
unless ( mkdir "$conf{RRDPATH}/$NAGIOS{HOSTNAME}" ) {
print_log( "mkdir $conf{RRDPATH}/$NAGIOS{HOSTNAME}, permission denied ", 1 );
print_log( "PNP exiting ...", 1 );
exit 6;
}
}
#
# Create PHP Template File
#
open_template( $NAGIOS{XMLFILE} );
@ds_create = ();
$ds_update = '';
for my $i ( 0 .. $#data ) {
print_log( " -- Job $i ", 3 );
my $DS = $i + 1;
#
# for each datasource
#
for my $job ( sort keys %{ $data[$i] } ) {
if ( defined $data[$i]{$job} ) {
print_log( " -- $job -> $data[$i]{$job}", 3 );
}
}
if ( uc($conf{'GLOBAL_RRD_STORAGE_TYPE'}) eq "MULTIPLE" ) {
my $file = $conf{RRDPATH} . "/" . $data[$i]{hostname} . "/" . $data[$i]{servicedesc} . ".rrd";
if ( -e $file ){
print_log("RRD_STORAGE_TYPE=MULTIPLE ignored because $file exists!", 1 ) if $i == 0;
$data[$i]{rrd_storage_type} = "SINGLE";
}
}
if ( $i == 0 ){
$ds_update = "$data[$i]{timet}";
}
if ( $data[$i]{rrd_storage_type} eq "MULTIPLE" ) {
print_log( "DEBUG: MULTIPLE Storage Type", 3 );
$DS = 1;
# PNP 0.4.x Template compatibility
$NAGIOS{RRDFILE} = "";
#
$rrd_storage_type = "MULTIPLE";
$rrdfile = $conf{RRDPATH} . "/" . $data[$i]{hostname} . "/" . $data[$i]{servicedesc} . "_" . $data[$i]{name} . ".rrd";
# DS is set to 1
@ds_create = "DS:$DS:$data[$i]{dstype}:$data[$i]{rrd_heartbeat}:$data[$i]{rrd_min}:$data[$i]{rrd_max}";
$ds_update = "$data[$i]{timet}:$data[$i]{value}";
@rrd_state = write_rrd();
@ds_create = ();
$ds_update = "";
}
else {
print_log( "DEBUG: SINGLE Storage Type", 3 );
# PNP 0.4.x Template compatibility
$NAGIOS{RRDFILE} = $conf{RRDPATH} . "/" . $data[0]{hostname} . "/" . $data[0]{servicedesc} . ".rrd";
#
$rrd_storage_type = "SINGLE";
$rrdfile = $conf{RRDPATH} . "/" . $data[$i]{hostname} . "/" . $data[$i]{servicedesc} . ".rrd";
push( @ds_create, "DS:$DS:$data[$i]{dstype}:$data[$i]{rrd_heartbeat}:$data[$i]{rrd_min}:$data[$i]{rrd_max}" );
$ds_update = "$ds_update:$data[$i]{value}";
}
write_to_template( "TEMPLATE", $data[0]{template} );
write_to_template( "RRDFILE", $rrdfile );
write_to_template( "RRD_STORAGE_TYPE", $data[$i]{rrd_storage_type} );
write_to_template( "RRD_HEARTBEAT", $data[$i]{rrd_heartbeat} );
write_to_template( "IS_MULTI", $data[0]{multi} );
write_to_template( "DS", $DS );
write_to_template( "NAME", $data[$i]{name} );
write_to_template( "LABEL", $data[$i]{label} );
write_to_template( "UNIT", $data[$i]{uom} );
write_to_template( "ACT", $data[$i]{value} );
write_to_template( "WARN", $data[$i]{warning} );
write_to_template( "WARN_MIN", $data[$i]{warning_min} );
write_to_template( "WARN_MAX", $data[$i]{warning_max} );
write_to_template( "WARN_RANGE_TYPE", $data[$i]{warning_range_type} );
write_to_template( "CRIT", $data[$i]{critical} );
write_to_template( "CRIT_MIN", $data[$i]{critical_min} );
write_to_template( "CRIT_MAX", $data[$i]{critical_max} );
write_to_template( "CRIT_RANGE_TYPE", $data[$i]{critical_range_type} );
write_to_template( "MIN", $data[$i]{min} );
write_to_template( "MAX", $data[$i]{max} );
}
if ( $rrd_storage_type eq "SINGLE" ) {
@rrd_state = write_rrd();
}
write_state_to_template(@rrd_state);
write_env_to_template();
close_template( $NAGIOS{XMLFILE} );
}
sub write_rrd {
my @rrd_create = ();
my @rrd_state = ();
print_log( "DEBUG: TPL-> $TEMPLATE", 3 );
print_log( "DEBUG: CRE-> @ds_create", 3 );
print_log( "DEBUG: UPD-> $ds_update", 3 );
if ( !-e "$rrdfile" ) {
@rrd_create = parse_rra_config($TEMPLATE);
if ( $conf{USE_RRDs} == 1 ) {
print_log( "RRDs::create $rrdfile @rrd_create @ds_create --start=$NAGIOS{TIMET} --step=$conf{RRA_STEP}", 2 );
RRDs::create( "$rrdfile", @rrd_create, @ds_create, "--start=$NAGIOS{TIMET}", "--step=$conf{RRA_STEP}" );
my $err = RRDs::error();
if ($err) {
print_log( "RRDs::create $rrdfile @rrd_create @ds_create --start=$NAGIOS{TIMET} --step=$conf{RRA_STEP}", 0 );
print_log( "RRDs::create ERROR $err", 0 );
@rrd_state = ( 1, $err );
$stats{error}++;
}
else {
print_log( "$rrdfile created", 2 );
@rrd_state = ( 0, "just created" );
$stats{create}++;
}
}
else {
print_log( "RRDs Perl Modules are not installed. Falling back to rrdtool system call.", 2 );
print_log( "$conf{RRDTOOL} create $rrdfile @rrd_create @ds_create --start=$NAGIOS{TIMET} --step=$conf{RRA_STEP}", 2 );
system("$conf{RRDTOOL} create $rrdfile @rrd_create @ds_create --start=$NAGIOS{TIMET} --step=$conf{RRA_STEP}");
if ( $? > 0 ) {
print_log( "$conf{RRDTOOL} create $rrdfile @rrd_create @ds_create --start=$NAGIOS{TIMET} --step=$conf{RRA_STEP}", 0 );
print_log( "rrdtool create returns $?", 0 );
@rrd_state = ( $?, "create failed" );
$stats{error}++;
}
else {
print_log( "rrdtool create returns $?", 1 );
@rrd_state = ( 0, "just created" );
$stats{create}++;
}
}
}
else {
if ( $conf{USE_RRDs} == 1 ) {
if ( $conf{RRD_DAEMON_OPTS} ) {
print_log( "RRDs::update --daemon=$conf{RRD_DAEMON_OPTS} $rrdfile $ds_update", 2 );
RRDs::update( "--daemon=$conf{RRD_DAEMON_OPTS}", "$rrdfile", "$ds_update" );
}
else {
print_log( "RRDs::update $rrdfile $ds_update", 2 );
RRDs::update( "$rrdfile", "$ds_update" );
}
my $err = RRDs::error();
if ($err) {
print_log( "RRDs::update $rrdfile $ds_update", 0 );
print_log( "RRDs::update ERROR $err", 0 );
@rrd_state = ( 1, $err );
$stats{error}++;
}
else {
print_log( "$rrdfile updated", 2 );
@rrd_state = ( 0, "successful updated" );
$stats{update}++;
}
}
else {
print_log( "RRDs Perl Modules are not installed. Falling back to rrdtool system call.", 2 );
if ( $conf{RRD_DAEMON_OPTS} ) {
print_log( "$conf{RRDTOOL} update --daemon=$conf{RRD_DAEMON_OPTS} $rrdfile $ds_update", 2 );
system("$conf{RRDTOOL} update --daemon=$conf{RRD_DAEMON_OPTS} $rrdfile $ds_update");
}
else {
print_log( "$conf{RRDTOOL} update $rrdfile $ds_update", 2 );
system("$conf{RRDTOOL} update $rrdfile $ds_update");
}
if ( $? > 0 ) {
print_log( "$conf{RRDTOOL} update $rrdfile $ds_update", 0 );
print_log( "rrdtool update returns $?", 0 );
@rrd_state = ( $?, "update failed" );
$stats{error}++;
}
else {
print_log( "rrdtool update returns $?", 1 );
@rrd_state = ( $?, "successful updated" );
$stats{update}++;
}
}
}
return @rrd_state;
}
#
# Write Template
#
sub open_template {
my $xmlfile = shift;
$delayed_write = 0;
if( -e $xmlfile ){
my $mtime = (stat(_))[9];
my $t = time();
my $age = ($t - $mtime);
if ( $age < $conf{'XML_UPDATE_DELAY'} ){
print_log( "DEBUG: XML File is $age seconds old. No update needed", 3 );
$delayed_write = 1;
return;
}
print_log( "DEBUG: XML File is $age seconds old. UPDATE!", 3 );
}
open( XML, "> $xmlfile.$$" ) or die "Cant create temporary XML file ", $!;
print XML "<?xml version=\"1.0\" encoding=\"" . $conf{XML_ENC} . "\" standalone=\"yes\"?>\n";
print XML "<NAGIOS>\n";
}
#
# Close Template FH
#
sub close_template {
return if $delayed_write == 1;
my $xmlfile = shift;
printf( XML " <XML>\n" );
printf( XML " <VERSION>%d</VERSION>\n", $const{'XML_STRUCTURE_VERSION'} );
printf( XML " </XML>\n" );
printf( XML "</NAGIOS>\n" );
close(XML);
rename( "$xmlfile.$$", "$xmlfile" );
}
#
# Add Lines
#
sub write_to_template {
return if $delayed_write == 1;
my $tag = shift;
my $data = shift;
if ( !defined $data ) {
$data = "";
}
if ( $tag =~ /^TEMPLATE$/ ) {
printf( XML " <DATASOURCE>\n" );
printf( XML " <%s>%s</%s>\n", $tag, "$data", $tag );
}
elsif ( $tag =~ /^MAX$/ ) {
printf( XML " <%s>%s</%s>\n", $tag, "$data", $tag );
printf( XML " </DATASOURCE>\n" );
}
else {
printf( XML " <%s>%s</%s>\n", $tag, "$data", $tag );
}
}
sub write_state_to_template {
return if $delayed_write == 1;
my @rrd_state = @_;
printf( XML " <RRD>\n" );
printf( XML " <RC>%s</RC>\n", $rrd_state[0] );
printf( XML " <TXT>%s</TXT>\n", $rrd_state[1] );
printf( XML " </RRD>\n" );
}
#
# Store the complete Nagios ENV
#
sub write_env_to_template {
return if $delayed_write == 1;
foreach my $key ( sort keys %NAGIOS ) {
$NAGIOS{$key} = urlencode($NAGIOS{$key});
printf( XML " <NAGIOS_%s>%s</NAGIOS_%s>\n", $key, $NAGIOS{$key}, $key );
}
}
#
# Recursive Template search
#
sub adjust_template {
my $command = shift;
my $uom = shift;
my $count = shift;
my @temp_template = split /\!/, $command;
my $initial_template = cleanup( $temp_template[0] );
my $template = cleanup( $temp_template[0] );
%CTPL = (
UOM => $uom,
COUNT => $count,
COMMAND => $command,
TEMPLATE => $template,
DSTYPE => $dstype,
RRD_STORAGE_TYPE => $conf{'RRD_STORAGE_TYPE'},
RRD_HEARTBEAT => $conf{'RRD_HEARTBEAT'},
USE_MIN_ON_CREATE => 0,
USE_MAX_ON_CREATE => 0,
);
read_custom_template ( );
#
if ( $CTPL{'TEMPLATE'} ne $initial_template ){
read_custom_template ( );
}
return %CTPL;
}
#
# Analyse check_command to find PNP Template .
#
sub read_custom_template {
my $command = $CTPL{'COMMAND'};
my $uom = $CTPL{'UOM'};
my $count = $CTPL{'COUNT'};
my @dstype_list = ();
my $use_min_on_create = 0;
my $use_max_on_create = 0;
my $rrd_storage_type = $CTPL{'RRD_STORAGE_TYPE'};
my $rrd_heartbeat = $CTPL{'RRD_HEARTBEAT'};
if ( defined($conf{'UOM2TYPE'}{$uom}) ) {
$dstype = $conf{'UOM2TYPE'}{$uom};
print_log( "DEBUG: DSTYPE adjusted to $dstype by UOM", 3 );
}else {
$dstype = 'GAUGE';
}
print_log( "DEBUG: RAW Command -> $command", 3 );
my @temp_template = split /\!/, $command;
my $template = cleanup( $temp_template[0] );
$template = trim($template);
my $template_cfg = "$conf{CFG_DIR}/check_commands/$template.cfg";
print_log( "DEBUG: read_custom_template() => $command", 3 );
if ( -e $template_cfg ) {
print_log( "DEBUG: adjust_template() => $template_cfg", 3 );
my $initial_dstype = $dstype;
open FH, "<", $template_cfg;
while (<FH>) {
next if /^#/;
next if /^$/;
s/#.*//;
s/ //g;
if (/^(.*)=(.*)$/) {
if ( $1 eq "DATATYPE" ) {
$dstype = uc($2);
$dstype =~ s/ //g;
@dstype_list = split /,/, $dstype;
if ( exists $dstype_list[$count] && $dstype_list[$count] =~ /^(COUNTER|GAUGE|ABSOLUTE|DERIVE)$/ ) {
$dstype = $dstype_list[$count];
print_log( "Adapting RRD Datatype to \"$dstype\" as defined in $template_cfg with key $count", 2 );
}
elsif ( $dstype =~ /^(COUNTER|GAUGE|ABSOLUTE|DERIVE)$/ ) {
print_log( "Adapting RRD Datatype to \"$dstype\" as defined in $template_cfg", 2 );
}
else {
print_log( "RRD Datatype \"$dstype\" defined in $template_cfg is invalid", 2 );
$dstype = $initial_dstype;
}
}
if ( $1 eq "CUSTOM_TEMPLATE" ) {
print_log( "Adapting Template using ARG $2", 2 );
my $i = 1;
my @keys = split /,/, $2;
foreach my $keys (@keys) {
if ( $i == 1 && exists $temp_template[$keys] ) {
$template = trim( $temp_template[$keys] );
print_log( "Adapting Template to $template.php (added ARG$keys)", 2 );
}elsif( exists $temp_template[$keys] ){
$template .= "_" . trim( $temp_template[$keys] );
print_log( "Adapting Template to $template.php (added ARG$keys)", 2 );
}
$i++;
}
print_log( "Adapting Template to $template.php as defined in $template_cfg", 2 );
}
if ( $1 eq "USE_MIN_ON_CREATE" && $2 eq "1" ) {
$use_min_on_create = 1;
}
if ( $1 eq "USE_MAX_ON_CREATE" && $2 eq "1" ) {
$use_max_on_create = 1;
}
if ( $1 eq "RRD_STORAGE_TYPE" && uc($2) eq "MULTIPLE" ) {
$rrd_storage_type = uc($2);
}
if ( $1 eq "RRD_HEARTBEAT" ) {
$rrd_heartbeat = $2;
}
}
}
close FH;
}
else {
print_log( "No Custom Template found for $template ($template_cfg) ", 3 );
print_log( "RRD Datatype is $dstype", 3 );
}
print_log( "Template is $template.php", 3 );
$CTPL{'COMMAND'} = $template;
$CTPL{'TEMPLATE'} = $template;
$CTPL{'DSTYPE'} = $dstype;
$CTPL{'RRD_STORAGE_TYPE'} = $rrd_storage_type;
$CTPL{'RRD_HEARTBEAT'} = $rrd_heartbeat;
$CTPL{'USE_MIN_ON_CREATE'} = $use_min_on_create;
$CTPL{'USE_MAX_ON_CREATE'} = $use_max_on_create;
return %CTPL;
}
#
# Parse process_perfdata.cfg
#
sub parse_config {
my $config_file = shift;
my $line = 0;
if ( -e $config_file ) {
open CFG, '<', "$config_file";
while (<CFG>) {
$line++;
chomp;
s/ //g;
next if /^#/;
next if /^$/;
s/#.*//;
if (/^(.*)=(.*)$/) {
if ( defined $conf{$1} ) {
$conf{$1} = $2;
}
}
}
close CFG;
print_log( "Using Config File $config_file parameters", 2 );
}
else {
print_log( "Config File $config_file not found, using defaults", 2 );
}
}
#
# Parse rra.cfg
#
sub parse_rra_config {
my $template = shift;
my $rra_template = "";
my @rrd_create = @default_rrd_create;
if ( -r $conf{'CFG_DIR'} . "/" . $template . ".rra.cfg" ) {
$rra_template = $conf{'CFG_DIR'} . "/" . $template . ".rra.cfg";
print_log( "Reading $rra_template", 2 );
}
elsif ( -r $conf{'RRA_CFG'} ) {
$rra_template = $conf{'RRA_CFG'};
print_log( "Reading $conf{'RRA_CFG'}", 2 );
}
else {
print_log( "No usable rra.cfg found. Using default values.", 2 );
}
if ( $rra_template ne "" ) {
@rrd_create = ();
open RRA, "<", $rra_template;
while (<RRA>) {
next if /^#/;
next if /^$/;
s/#.*//;
if(/^RRA_STEP=(\d+)/i){
$conf{'RRA_STEP'} = $1;
next;
}
chomp;
push @rrd_create, "$_";
}
close RRA;
}
else {
@rrd_create = @default_rrd_create;
}
return @rrd_create;
}
#
# Function adapted from Nagios::Plugin::Performance
# Thanks to Gavin Carr and Ton Voon
#
sub _parse {
# Nagios::Plugin::Performance
my $string = shift;
my $tmp_string = $string;
$string =~ s/^([^=]+)=(U|[\d\.\-]+)([\w\/%]*);?([\d\.\-:~@]+)?;?([\d\.\-:~@]+)?;?([\d\.\-]+)?;?([\d\.\-]+)?;?\s*//;
if ( $tmp_string eq $string ) {
print_log( "No pattern match in function _parse($string)", 2 );
return undef;
}
return undef unless ( ( defined $1 && $1 ne "" ) && ( defined $2 && $2 ne "" ) );
# create hash from all performance data values
my %p = (
"label" => $1,
"name" => $1,
"value" => $2,
"uom" => $3,
"warning" => $4,
"critical" => $5,
"min" => $6,
"max" => $7
);
$p{label} =~ s/[&"']//g; # cleanup
$p{name} =~ s/["']//g; # cleanup
$p{name} =~ s/[\/\\]/_/g; # cleanup
$p{name} = cleanup($p{name});
if ( $p{uom} eq "%" ) {
$p{uom} = "%%";
print_log( "DEBUG: UOM adjust = $p{uom}", 3 );
}
#
# Check for warning and critical ranges
#
if ( $p{warning} && $p{warning} =~ /^([\d\.\-~@]+)?:([\d\.\-~@]+)?$/ ) {
print_log( "DEBUG: Processing warning ranges ( $p{warning} )", 3 );
$p{warning_min} = $1;
$p{warning_max} = $2;
delete( $p{warning} );
if ( $p{warning_min} =~ /^@/ ) {
$p{warning_min} =~ s/@//;
$p{warning_range_type} = "inside";
}
else {
$p{warning_range_type} = "outside";
}
}
if ( $p{critical} && $p{critical} =~ /^([\d\.\-~@]+)?:([\d\.\-~@]+)?$/ ) {
print_log( "DEBUG: Processing critical ranges ( $p{critical} )", 3 );
$p{critical_min} = $1;
$p{critical_max} = $2;
delete( $p{critical} );
if ( $p{critical_min} =~ /^@/ ) {
$p{critical_min} =~ s/@//;
$p{critical_range_type} = "inside";
}
else {
$p{critical_range_type} = "outside";
}
}
# Strip Range indicators
$p{warning} =~ s/[~@]// if($p{warning});
$p{critical} =~ s/[~@]// if($p{critical});
return ( $string, %p );