pnp-templates/default.php

   1 <?php
   2
   3 # Fetch dynamic PNP template from Check_MK's new metrics system
   4
   5 # avoid redeclaration errors if this file is include multiple times (e.g. by basket)
   6 if (!function_exists('get_apache_port')) {
   7     function get_apache_port() {
   8         $path = getenv("OMD_ROOT") . "/etc/omd/site.conf";
   9         foreach (file($path) as $line) {
  10             if (strpos($line, "CONFIG_APACHE_TCP_PORT") === 0) {
  11                 list($key, $val) = explode("=", $line);
  12                 return trim($val, "'\n\r");
  13             }
  14         }
  15     }
  16 }
  17
  18 $omd_site = getenv("OMD_SITE");
  19 if ($omd_site) {
  20     $url = "http://localhost:".get_apache_port()."/$omd_site/check_mk/";
  21     $template_cache_dir = getenv("OMD_ROOT") . "/var/check_mk/pnp_template_cache";
  22 }
  23 else {
  24     $url = "http://localhost/check_mk/";
  25     $template_cache_dir = "/tmp/check_mk_pnp_template_cache";
  26 }
  27
  28 if (!file_exists($template_cache_dir))
  29     mkdir($template_cache_dir, 0755, TRUE);
  30
  31 # Get the list of performance variables and convert them to a string,
  32 # prepend the command name, # e.g. "check_mk-hr_fs:fs_trend,fs_used,zabelfoobar"
  33 $perf_vars = Array();
  34 foreach ($NAME as $i => $n) {
  35     $perf_vars[] = $n;
  36 }
  37 sort($perf_vars);
  38 # We have to separate the check command name from the rest on
  39 # the right place, i.d. the first "!", to prevent errors while
  40 # creating the default template, e.g. for the custom check
  41 #
  42 # check-mk-custom!$USER2$/check_mssql_health_new --server $HOSTNAME$ --username=$USER6$
  43 # --password=$USER5$ --mode database-free --name filr --warning 20: --critical 10: --commit
  44 #
  45 # If no "!" exists then $CHECK_COMMAND = $NAGIOS_CHECK_COMMAND
  46 $check_command_parts = explode("!", $NAGIOS_CHECK_COMMAND);
  47 $id_string = $check_command_parts[0] . ":" . implode(",", $perf_vars);
  48
  49 # Get current state of previously cached template data for this ID
  50 $template_cache_path = $template_cache_dir . "/" . md5($id_string);
  51 if (file_exists($template_cache_path)) {
  52     $age = time() - filemtime($template_cache_path);
  53     if ($age < 60 * 10)
  54         $cache_state = "uptodate";
  55     else
  56         $cache_state = "stale";
  57 }
  58 else
  59     $cache_state = "missing";
  60
  61 # cache file missing or stale: try to fetch live template via HTTP
  62 if ($cache_state != "uptodate")
  63 {
  64     // always speaking to local host, so a small connect timeout is good to
  65     // catch to long hanging requests when e.g. the system apache is not
  66     // listening on localhost
  67     ini_set('default_socket_timeout', 2);
  68     $fd = @fopen($url . "pnp_template.py?id=" . urlencode($id_string), "r");
  69     if ($fd) {
  70         $data = "";
  71         while (!feof($fd)) {
  72             $data .= fread($fd, 4096);
  73         }
  74         fclose($fd);
  75         $fd = fopen($template_cache_path, "w");
  76         fwrite($fd, $data);
  77         fclose($fd);
  78         $cache_state = "uptodate";
  79     }
  80 }
  81
  82 if (!function_exists("replace_cmk_expression")) {
  83     function replace_cmk_expression($NAME, $MIN, $MAX, $WARN, $CRIT, $text)
  84     {
  85         # Replace expressions in the title. This not a full implementation of
  86         # the complete RPN expression syntax of Check_MK - but sufficient for
  87         # all used cases.
  88         foreach ($NAME as $i => $n) {
  89             $text = str_replace("%($n:min@count)", "$MIN[$i]", $text);
  90             $text = str_replace("%($n:max@count)", "$MAX[$i]", $text);
  91             $text = str_replace("%($n:warn@count)", "$WARN[$i]", $text);
  92             $text = str_replace("%($n:crit@count)", "$CRIT[$i]", $text);
  93         }
  94         return $text;
  95     }
  96 }
  97
  98 # Now read template information from cache file, if present
  99 if (($cache_state == "uptodate" || $cache_state == "stale") && filesize($template_cache_path) > 0) {
 100     $rrdbase = substr($NAGIOS_XMLFILE, 0, strlen($NAGIOS_XMLFILE) - 4);
 101     $fd = fopen($template_cache_path, "r");
 102     while (!feof($fd)) {
 103         $dsname_line = trim(fgets($fd));
 104         $option_line = replace_cmk_expression($NAME, $MIN, $MAX, $WARN, $CRIT, trim(fgets($fd)));
 105         $graph_line = str_replace('$RRDBASE$', $rrdbase, fgets($fd));
 106         if ($dsname_line && $option_line && $graph_line) {
 107             $ds_name[] = $dsname_line;
 108             $opt[] = $option_line;
 109             $def[] = $graph_line;
 110         }
 111     }
 112     fclose($fd);
 113 }
 114
 115
 116 # PNP Default template starts here...
 117 #
 118 # Copyright (c) 2006-2010 Joerg Linge (http://www.pnp4nagios.org)
 119 # Default Template used if no other template is found.
 120 # Don`t delete this file !
 121 #
 122 # Define some colors ..
 123 #
 124 else
 125 {
 126     $_WARNRULE = '#FFFF00';
 127     $_CRITRULE = '#FF0000';
 128     $_AREA     = '#256aef';
 129     $_LINE     = '#000000';
 130     #
 131     # Initial Logic ...
 132     #
 133
 134     foreach ($this->DS as $KEY=>$VAL) {
 135
 136             $maximum  = "";
 137             $minimum  = "";
 138             $critical = "";
 139             $crit_min = "";
 140             $crit_max = "";
 141             $warning  = "";
 142             $warn_max = "";
 143             $warn_min = "";
 144             $vlabel   = " ";
 145             $lower    = "";
 146             $upper    = "";
 147
 148             if ($VAL['WARN'] != "" && is_numeric($VAL['WARN']) ){
 149                     $warning = $VAL['WARN'];
 150             }
 151             if ($VAL['WARN_MAX'] != "" && is_numeric($VAL['WARN_MAX']) ) {
 152                     $warn_max = $VAL['WARN_MAX'];
 153             }
 154             if ( $VAL['WARN_MIN'] != "" && is_numeric($VAL['WARN_MIN']) ) {
 155                     $warn_min = $VAL['WARN_MIN'];
 156             }
 157             if ( $VAL['CRIT'] != "" && is_numeric($VAL['CRIT']) ) {
 158                     $critical = $VAL['CRIT'];
 159             }
 160             if ( $VAL['CRIT_MAX'] != "" && is_numeric($VAL['CRIT_MAX']) ) {
 161                     $crit_max = $VAL['CRIT_MAX'];
 162             }
 163             if ( $VAL['CRIT_MIN'] != "" && is_numeric($VAL['CRIT_MIN']) ) {
 164                     $crit_min = $VAL['CRIT_MIN'];
 165             }
 166             if ( $VAL['MIN'] != "" && is_numeric($VAL['MIN']) ) {
 167                     $lower = " --lower-limit=" . $VAL['MIN'];
 168                     $minimum = $VAL['MIN'];
 169             }
 170             if ( $VAL['MAX'] != "" && is_numeric($VAL['MAX']) ) {
 171                     $maximum = $VAL['MAX'];
 172             }
 173             if ($VAL['UNIT'] == "%%") {
 174                     $vlabel = "%";
 175                     $upper = " --upper-limit=101 ";
 176                     $lower = " --lower-limit=0 ";
 177             }
 178             else {
 179                     $vlabel = $VAL['UNIT'];
 180             }
 181
 182             $opt[$KEY] = '--vertical-label "' . $vlabel . '" --title "' . $this->MACRO['DISP_HOSTNAME'] . ' / ' . $this->MACRO['DISP_SERVICEDESC'] . '"' . $upper . $lower;
 183             $ds_name[$KEY] = $VAL['LABEL'];
 184             $def[$KEY]  = rrd::def     ("var1", $VAL['RRDFILE'], $VAL['DS'], "AVERAGE");
 185             $def[$KEY] .= rrd::gradient("var1", "3152A5", "BDC6DE", rrd::cut($VAL['NAME'],16), 20);
 186             $def[$KEY] .= rrd::line1   ("var1", $_LINE );
 187             $def[$KEY] .= rrd::gprint  ("var1", array("LAST","MAX","AVERAGE"), "%3.4lf %S".$VAL['UNIT']);
 188             if ($warning != "") {
 189                     $def[$KEY] .= rrd::hrule($warning, $_WARNRULE, "Warning  $warning \\n");
 190             }
 191             if ($warn_min != "") {
 192                     $def[$KEY] .= rrd::hrule($warn_min, $_WARNRULE, "Warning  (min)  $warn_min \\n");
 193             }
 194             if ($warn_max != "") {
 195                     $def[$KEY] .= rrd::hrule($warn_max, $_WARNRULE, "Warning  (max)  $warn_max \\n");
 196             }
 197             if ($critical != "") {
 198                     $def[$KEY] .= rrd::hrule($critical, $_CRITRULE, "Critical $critical \\n");
 199             }
 200             if ($crit_min != "") {
 201                     $def[$KEY] .= rrd::hrule($crit_min, $_CRITRULE, "Critical (min)  $crit_min \\n");
 202             }
 203             if ($crit_max != "") {
 204                     $def[$KEY] .= rrd::hrule($crit_max, $_CRITRULE, "Critical (max)  $crit_max \\n");
 205             }
 206             $def[$KEY] .= rrd::comment("Default Template\\r");
 207             $def[$KEY] .= rrd::comment("Command " . $VAL['TEMPLATE'] . "\\r");
 208     }
 209 }
 210
 211 ?>