New directory to for perfdata and reporting scripts

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@210 f882894a-f735-0410-b71e-b25c423dba1c

contrib-reporting/process_perfdata.pl

@@ -0,0 +1,193 @@
+#!/usr/local/bin/perl -w
+# author: Al Tobey <albert.tobey@priority-health.com>
+# what:    process perfdata from Nagios and put it into RRD files
+# license: GPL - http://www.fsf.org/licenses/gpl.txt
+#
+# Todo:
+# * more documentation (POD) & comments
+# * clean up a bit, make it more configurable - possibly a config file
+
+use strict;
+use lib qw( /opt/nagios/libexec );
+use utils qw( %ERRORS );
+use vars qw( $debug_file %data $debug $rrd_base $process_func $rrd_type );
+use RRDs;
+$debug_file = undef; #"/var/opt/nagios/perfdata.out";
+$rrd_base = '/var/opt/nagios/rrds';
+$process_func = \&process_multi;
+$rrd_type = 'GAUGE';
+$data{hostname}  = shift(@ARGV);
+$data{metric}    = shift(@ARGV);
+$data{timestamp} = shift(@ARGV);
+$data{perfdata}  = join( " ", @ARGV ); $data{perfdata} =~ s/\s+/ /g;
+
+# make sure there's data to work with
+exit $ERRORS{OK} if ( !defined($data{hostname}) || !defined($data{metric})
+    || !defined($data{timestamp}) || !defined($data{perfdata})
+    || $data{perfdata} eq ' ' || $data{perfdata} eq '' );
+
+if ( defined($debug_file) ) {
+    open( LOGFILE, ">>$debug_file" );
+    print LOGFILE "$data{hostname}\t$data{metric}\t$data{timestamp}\t$data{perfdata}\n\n";
+}
+
+# make sure host directory exists
+if ( !-d "$rrd_base/$data{hostname}" ) {
+    mkdir( "$rrd_base/$data{hostname}" )
+        || warn "could not create host directory $rrd_base/$data{hostname}: $!";
+}
+our $rrd_dir = $rrd_base .'/'. $data{hostname};
+
+# --------------------------------------------------------------------------- #
+# do some setup based on the name of the metric
+
+# host data
+if ( $data{metric} eq "HOSTCHECK" ) {
+    $rrd_dir .= '/hostperf';
+}
+# processing disk information
+elsif ( $data{metric} =~ /_DISK$/ ) {
+    $rrd_dir .= '/disk';
+}
+# network interface information
+elsif ( $data{metric} =~ /^IFACE_/ ) {
+    $rrd_dir .= '/interfaces';
+    $rrd_type = [ 'COUNTER', 'COUNTER' ];
+}
+# process performance statistics
+elsif ( $data{metric} =~ /_PROC$/ ) {
+    $rrd_dir .= '/processes';
+    $process_func = \&process_single;
+    $rrd_type = [ 'COUNTER', 'GAUGE' ];
+}
+# a resonable guess
+elsif ( $data{perfdata} =~ /=/ ) {
+    $process_func = \&process_single;
+}
+# everything else
+else {
+    $rrd_dir .= '/other';
+}
+
+# --------------------------------------------------------------------------- #
+# call the proper processing function set up above (functions defined below)
+our @processed = ( $process_func->() );
+
+# --------------------------------------------------------------------------- #
+
+if ( !-d $rrd_dir ) {
+    mkdir( $rrd_dir ) || warn "could not mkdir( $rrd_dir ): $!";
+}
+foreach my $datum ( @processed ) {
+    if ( defined($debug_file) ) {
+        print LOGFILE $datum->{rrd_name}, " = ", join('--',@{$datum->{data}}), "\n"
+    }
+
+    my $rrdfile = $rrd_dir.'/'.$datum->{rrd_name};
+
+    # create the RRD file if it doesn't already exist
+    if ( !-e $rrdfile ) {
+        # create a non-useful datasource title for each "part"
+        RRDs::create( $rrdfile, "-b", $data{timestamp}, "-s", 300, $process_func->($datum, 1),
+            "RRA:AVERAGE:0.5:1:600",
+            "RRA:MAX:0.5:1:600",
+            "RRA:AVERAGE:0.5:6:600",
+            "RRA:MAX:0.5:6:600",
+            "RRA:AVERAGE:0.5:24:600",
+            "RRA:MAX:0.5:24:600",
+            "RRA:AVERAGE:0.5:288:600",
+            "RRA:MAX:0.5:288:600"
+        );
+        if ( my $ERROR = RRDs::error ) { print "ERROR: $ERROR\n"; exit $ERRORS{UNKNOWN}; }
+    }
+    else {
+        # create a template to make sure data goes into the RRD as planned
+        if ( defined($debug_file) ) {
+            print LOGFILE "updating $rrdfile with data:\n\t",
+                join(':', $data{timestamp}, @{$datum->{data}}), "\n";
+        }
+        # update the RRD file
+        RRDs::update( $rrdfile, '-t', $process_func->($datum),
+            join(':', $data{timestamp}, @{$datum->{data}}) );
+        if ( my $ERROR = RRDs::error ) { print "ERROR: $ERROR\n"; exit $ERRORS{UNKNOWN}; }
+    }
+}
+
+# --------------------------------------------------------------------------- #
+
+if ( defined($debug_file) ) {
+    print LOGFILE "-------------------------------------------------------------------------------\n";
+    close( LOGFILE );
+}
+
+exit $ERRORS{OK};
+
+# /opt=value,value,value:/=value,value,value - into multiple rrd's
+sub process_multi {
+    my( $datum, $create ) = @_;
+
+    # return a string for creating new RRDs
+    if ( defined($create) && $create == 1 ) {
+        my @DS = ();
+        for ( my $i=0; $i<scalar(@{$datum->{data}}); $i++ ) {
+            # allow the RRD type to be set in the switch/if above
+            my $tmp_rrd_type = $rrd_type;
+            if ( ref($rrd_type) eq 'ARRAY' ) { $tmp_rrd_type = $rrd_type->[$i] } 
+            # put the new datasource into the list
+            push( @DS, "DS:$data{metric}$i:GAUGE:86400:U:U" );
+        }
+        return @DS;
+    }
+    # return a template for updating an RRD
+    elsif ( defined($datum) && !defined($create) ) {
+        my @template = ();
+        for ( my $i=0; $i<scalar(@{$datum->{data}}); $i++ ) {
+            push( @template, $data{metric}.$i );
+        }
+        return join( ':', @template );
+    }
+    # break the data up into parts for processing (updates and creates)
+    else {
+        my @processed = ();
+        foreach my $part ( split(/:/, $data{perfdata}) ) { # break the line into parts
+            my @parts = split( /,/, $part ); # break the part into parts
+            my $rrd_name = $parts[0]; # figure out a good name for the RRD
+            if ( $parts[0] =~ /^\// ) { # handle /'s in disk names
+                $rrd_name = $parts[0];
+                $rrd_name =~ s#/#_#g; $rrd_name =~ s/^_//; $rrd_name =~ s/_$//;
+                if ( $parts[0] eq '/' ) { $rrd_name = 'root' };
+            }
+            # store our munged data in an array of hashes
+            push( @processed, { rrd_name => $rrd_name, name => shift(@parts), data => [ @parts ] } );
+        }
+        return @processed;
+    }
+}
+
+# name=value:name=value - into one rrd
+sub process_single {
+    my( $datum, $create ) = @_;
+
+    my( @names, @values ) = ();
+    foreach my $part ( split(/:/, $data{perfdata}) ) {
+        my( $name, $value ) = split( /=/, $part );
+        push( @names,  $name  );
+        push( @values, $value );
+    }
+
+    if ( defined($create) && $create == 1 ) {
+        my @DS = ();
+        for( my $i=0; $i<scalar(@names); $i++ ) {
+            my $tmp_rrd_type = $rrd_type;
+            if ( ref($rrd_type) eq 'ARRAY' ) { $tmp_rrd_type = $rrd_type->[$i] } 
+            push( @DS, 'DS:'.$names[$i].":$tmp_rrd_type:86400:U:U" );
+        }
+        return @DS;
+    }
+    elsif ( defined($datum) && !defined($create) ) {
+        return join( ':', @names );
+    }
+    else {
+        return( {rrd_name=>lc($data{metric}), name=>$data{metric}, data=>[@values]} );
+    }
+}