pnp4nagios

This is a preview of the rrd::gradient function which will be introduced in version 0.6.5 of pnp4nagios
Template Helper Functions

1.)

2.)

gradient1.php

<?php
#
# Copyright (c) 2006-2010 Joerg Linge (http://www.pnp4nagios.org)
# Plugin: check_icmp [Multigraph]
#
# RTA
#
$ds_name[1] = "Round Trip Times";
$opt[1]  = "--lower=0 --vertical-label \"RTA\" --title \"Ping times\" ";
$def[1]  =  rrd::def("var1", $RRDFILE[1], $DS[1], "AVERAGE") ;
$def[1] .=  rrd::gradient('var1','f0f0f0','0000a0','Round Trip Times',20);
$def[1] .=  rrd::gprint("var1", array("LAST", "MAX", "AVERAGE"), "%6.2lf $UNIT[1]") ;
 
if($WARN[1] != ""){
    if($UNIT[1] == "%%"){ $UNIT[1] = "%"; };
    $def[1] .= rrd::hrule($WARN[1], "#FF8c00", "Warning  ".$WARN[1].$UNIT[1]."\\n");
}
if($CRIT[1] != ""){
    if($UNIT[1] == "%%"){ $UNIT[1] = "%"; };
    $def[1] .= rrd::hrule($CRIT[1], "#FF0000", "Critical  ".$CRIT[1].$UNIT[1]."\\n");
}
 
?>

gradient2.php

<?php
#
#
$_WARNRULE = '#FFFF00';
$_CRITRULE = '#FF0000';
 
$lower = $MAX[2] * -1;
if (strlen ($LABEL[1]) >= strlen ($LABEL[2])){
    $lenlabel = strlen ($LABEL[1]) + 2;
} else {
    $lenlabel = strlen ($LABEL[2]) + 2;
}
$label1 = sprintf("%' -".$lenlabel."s", $LABEL[1]);
$label2 = sprintf("%' -".$lenlabel."s", $LABEL[2]);
 
    $ds_name[1] = "$LABEL[1] / $LABEL[2] " ;
    $opt[1] = "--vertical-label $UNIT[1] --title \"Traffic For $hostname / $servicedesc\" ";
    $opt[1] .= '--color=BACK#000000 ';
    $opt[1] .= '--color=FONT#F7F7F7 ';
    $opt[1] .= '--color=SHADEA#ffffff ';
    $opt[1] .= '--color=SHADEB#ffffff ';
    $opt[1] .= '--color=CANVAS#000000 ';
    $opt[1] .= '--color=GRID#00991A ';
    $opt[1] .= '--color=MGRID#00991A ';
    $opt[1] .= '--color=ARROW#00FF00 ';
    $opt[1] .= '--slope-mode ';
    $def[1] =  "DEF:inb=$RRDFILE[1]:$DS[1]:MAX " ;
    $def[1] .= "DEF:outb=$RRDFILE[2]:$DS[2]:MAX " ;
    $def[1] .= "CDEF:outbi=outb,-1,* " ;
    $def[1] .= rrd::gradient('inb','f0f0f0','0000a0',$label1,20);
    $def[1] .= "GPRINT:inb:LAST:\"%3.3lf $UNIT[1] LAST \" ";
    $def[1] .= "GPRINT:inb:MAX:\"%3.3lf $UNIT[1] MAX \" ";
    $def[1] .= "GPRINT:inb" . ':AVERAGE:"%3.3lf ' . $UNIT[1] . ' AVERAGE \j" ';
    $def[1] .= rrd::gradient('outbi','ffff42','ee7318',$label2,20);
    $def[1] .= "GPRINT:outb:LAST:\"%3.3lf $UNIT[2] LAST \" ";
    $def[1] .= "GPRINT:outb:MAX:\"%3.3lf $UNIT[2] MAX \" ";
    $def[1] .= "GPRINT:outb" . ':AVERAGE:"%3.3lf ' . $UNIT[2] . ' AVERAGE \j" ';
    $def[1] .= "COMMENT:\"  \\l\" " ;
    $def[1] .= "LINE1:0#ffffff " ;
    $def[1] .= "HRULE:" . $WARN[1] . $_WARNRULE . ':"Inbound Warning on  ' . $WARN[1] . ' ' . $UNIT[1] . '" ' ;
    $def[1] .= "HRULE:" . $WARN[2] * -1 . $_WARNRULE . ':"Outbound Warning on  ' . $WARN[2] . ' ' . $UNIT[2] . '\j" ';
    $def[1] .= "HRULE:" . $CRIT[1] . $_CRITRULE . ':"Inbound Critical on ' . $CRIT[1] . ' ' . $UNIT[1] . '" ';
    $def[1] .= "HRULE:" . $CRIT[2] * -1 . $_CRITRULE . ':"Outbound Critical on ' . $CRIT[2] . ' ' . $UNIT[2] . '\j" ';
?>