source: trunk/web/addons/job_monarch/host_view.php @ 410

<?php
/*
 *
 * This file is part of Jobmonarch
 *
 * Copyright (C) 2006  Ramon Bastiaans
 *
 * Jobmonarch 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.
 *
 * Jobmonarch 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * SVN $Id: host_view.php 399 2007-07-01 16:38:47Z bastiaans $
 */

include_once "./libtoga.php";

//$tpl = new TemplatePower( "templates/host_view.tpl" );
//$tpl->assignInclude("extra", "templates/host_extra.tpl");
//$tpl->prepare();

function datetimeToEpoch( $datetime ) {

        //printf("datetime = %s\n", $datetime );
        $datetime_fields = explode( ' ', $datetime );

        $date = $datetime_fields[0];
        $time = $datetime_fields[1];

        $date_fields = explode( '-', $date );

        $days = $date_fields[0];
        $months = $date_fields[1];
        $years = $date_fields[2];

        //printf( "days = %s months = %s years = %s\n", $days, $months, $years );

        $time_fields = explode( ':', $time );

        $hours = $time_fields[0];
        $minutes = $time_fields[1];
        $seconds = $time_fields[2];

        //printf( "hours = %s minutes = %s seconds = %s\n", $hours, $minutes, $seconds );

        $timestamp = mktime( $hours, $minutes, $seconds, $months, $days, $years );

        //printf( "timestamp = %s\n", $timestamp );

        return $timestamp;
}

function makeHostView() {

        global $tpl, $metrics, $clustername, $hostname;
        global $cluster_ul, $hosts_up, $get_metric_string;
        global $cluster, $period_start, $period_stop;
        global $job_start, $job_stop;

        //print_r( $metrics );

        //printf( "c %s\n", $clustername );

        $trd = new TarchRrdGraph( $clustername, $hostname );
        $rrdirs = $trd->getRrdDirs( $period_start, $period_stop );

        $metrics = $metrics[$hostname];
        $mymetrics = array();

        foreach( $rrdirs as $rrdir ) 
        {
                $ml     = $trd->dirList( $rrdir );

                foreach( $ml as $lmetr )
                {
                        $metrn_fields   = explode( '.', $lmetr );

                        $metrn          = $metrn_fields[0];

                        if( !in_array( $metrn, $mymetrics ) )
                        {
                                $mymetrics[$metrn]      = $metrics[$metrn];
                        }
                }
        }

        $hosts_up = $hosts_up[$hostname];
        //print_r( $hosts_up );

        $tpl->assign("cluster", $clustername);
        $tpl->assign("host", $hostname);
        $tpl->assign("node_image", "../../".node_image($metrics));
        $tpl->assign("sort",$sort);
        $tpl->assign("range",$range);

        if( !is_numeric( $period_start ) ) {
                $period_start = datetimeToEpoch( $period_start );
        }
        if( !is_numeric( $period_stop ) ) {
                $period_stop = datetimeToEpoch( $period_stop );
        }

        if($hosts_up)
              $tpl->assign("node_msg", "This host is up and running."); 
        else
              $tpl->assign("node_msg", "This host is down."); 

        $cluster_url=rawurlencode($clustername);
        $tpl->assign("cluster_url", $cluster_url);
        $tpl->assign("graphargs", "h=$hostname&$get_metric_string&st=$cluster[LOCALTIME]&job_start=$job_start&job_stop=$job_stop&period_start=$period_start&period_stop=$period_stop");

        # For the node view link.
        $tpl->assign("node_view","./?p=2&c=$cluster_url&h=$hostname");

        //# No reason to go on if this node is down.
        //if ($hosts_down)
        //   {
        //      $tpl->printToScreen();
        //      return;
        //   }

        $tpl->assign("ip", $hosts_up[IP]);

        foreach ($mymetrics as $name => $v)
           {
               if ($v[TYPE] == "string" or $v[TYPE]=="timestamp" or $always_timestamp[$name])
                  {
                     # Long gmetric name/values will disrupt the display here.
                     if ($v[SOURCE] == "gmond") $s_metrics[$name] = $v;
                  }
               elseif ($v[SLOPE] == "zero" or $always_constant[$name])
                  {
                     $c_metrics[$name] = $v;
                  }
               else if ($reports[$metric])
                  continue;
               else
                  {
                     $graphargs = "c=$cluster_url&h=$hostname&v=$v[VAL]&m=$name"
                       ."&z=medium&st=$cluster[LOCALTIME]&job_start=$job_start&job_stop=$job_stop&period_start=$period_start&period_stop=$period_stop";
                     # Adding units to graph 2003 by Jason Smith <smithj4@bnl.gov>.
                     if ($v[UNITS]) {
                        $encodeUnits = rawurlencode($v[UNITS]);
                        $graphargs .= "&vl=$encodeUnits";
                     }
                     $g_metrics[$name][graph] = $graphargs;
          }
           }
        # Add the uptime metric for this host. Cannot be done in ganglia.php,
        # since it requires a fully-parsed XML tree. The classic contructor problem.
        $s_metrics[uptime][TYPE] = "string";
        $s_metrics[uptime][VAL] = uptime($cluster[LOCALTIME] - $metrics[boottime][VAL]);

        # Add the gmond started timestamps & last reported time (in uptime format) from
        # the HOST tag:
        $s_metrics[gmond_started][TYPE] = "timestamp";
        $s_metrics[gmond_started][VAL] = $hosts_up[GMOND_STARTED];
        $s_metrics[last_reported][TYPE] = "string";
        $s_metrics[last_reported][VAL] = uptime($cluster[LOCALTIME] - $hosts_up[REPORTED]);

        # Show string metrics
        if (is_array($s_metrics))
           {
              ksort($s_metrics);
              foreach ($s_metrics as $name => $v )
             {
                $tpl->newBlock("string_metric_info");
                $tpl->assign("name", $name);
                if( $v[TYPE]=="timestamp" or $always_timestamp[$name])
                   {
                      $tpl->assign("value", date("r", $v[VAL]));
                   }
                else
                   {
                      $tpl->assign("value", "$v[VAL] $v[UNITS]");
                   }
             }
           }

        # Show constant metrics.
        if (is_array($c_metrics))
           {
              ksort($c_metrics);
              foreach ($c_metrics as $name => $v )
             {
                $tpl->newBlock("const_metric_info");
                $tpl->assign("name", $name);
                $tpl->assign("value", "$v[VAL] $v[UNITS]");
             }
           }

        # Show graphs.
        if (is_array($g_metrics))
           {
              ksort($g_metrics);

              $i = 0;
              foreach ( $g_metrics as $name => $v )
                 {
                    $tpl->newBlock("vol_metric_info");
                    $tpl->assign("graphargs", $v[graph]);
                    $tpl->assign("alt", "$hostname $name");
                    if($i++ %2)
                       $tpl->assign("br", "<BR>");
                 }
           }
}

        //$tpl->printToScreen();
?>