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cluster_view.php
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cluster_view.php
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<?php
/* $Id: cluster_view.php 1710 2008-08-21 16:44:54Z bernardli $ */
$tpl = new TemplatePower( template("cluster_view.tpl") );
$tpl->assignInclude("extra", template("cluster_extra.tpl"));
$tpl->prepare();
$tpl->assign("images","./templates/$template_name/images");
$cpu_num = !$showhosts ? $metrics["cpu_num"]['SUM'] : cluster_sum("cpu_num", $metrics);
$load_one_sum = !$showhosts ? $metrics["load_one"]['SUM'] : cluster_sum("load_one", $metrics);
$load_five_sum = !$showhosts ? $metrics["load_five"]['SUM'] : cluster_sum("load_five", $metrics);
$load_fifteen_sum = !$showhosts ? $metrics["load_fifteen"]['SUM'] : cluster_sum("load_fifteen", $metrics);
#
# Correct handling of *_report metrics
#
if (!$showhosts) {
if(array_key_exists($metricname, $metrics))
$units = $metrics[$metricname]['UNITS'];
}
else {
if(array_key_exists($metricname, $metrics[key($metrics)]))
$units = $metrics[key($metrics)][$metricname]['UNITS'];
}
if(isset($cluster['HOSTS_UP'])) {
$tpl->assign("num_nodes", intval($cluster['HOSTS_UP']));
} else {
$tpl->assign("num_nodes", 0);
}
if(isset($cluster['HOSTS_DOWN'])) {
$tpl->assign("num_dead_nodes", intval($cluster['HOSTS_DOWN']));
} else {
$tpl->assign("num_dead_nodes", 0);
}
$tpl->assign("cpu_num", $cpu_num);
$tpl->assign("localtime", date("Y-m-d H:i", $cluster['LOCALTIME']));
if (!$cpu_num) $cpu_num = 1;
$cluster_load15 = sprintf("%.0f", ((double) $load_fifteen_sum / $cpu_num) * 100);
$cluster_load5 = sprintf("%.0f", ((double) $load_five_sum / $cpu_num) * 100);
$cluster_load1 = sprintf("%.0f", ((double) $load_one_sum / $cpu_num) * 100);
$tpl->assign("cluster_load", "$cluster_load15%, $cluster_load5%, $cluster_load1%");
$cluster_url=rawurlencode($clustername);
$tpl->assign("cluster", $clustername);
#
# Summary graphs
#
$graph_args = "c=$cluster_url&$get_metric_string&st=$cluster[LOCALTIME]";
$tpl->assign("graph_args", $graph_args);
if (!isset($optional_graphs))
$optional_graphs = array();
foreach ($optional_graphs as $g) {
$tpl->newBlock('optional_graphs');
$tpl->assign('name',$g);
$tpl->assign('graph_args',$graph_args);
$tpl->gotoBlock('_ROOT');
}
#
# Correctly handle *_report cases and blank (" ") units
#
if (isset($units)) {
if ($units == " ")
$units = "";
else
$units=$units ? "($units)" : "";
}
else {
$units = "";
}
$tpl->assign("metric","$metricname $units");
$tpl->assign("sort", $sort);
$tpl->assign("range", $range);
$tpl->assign("checked$showhosts", "checked");
$sorted_hosts = array();
$down_hosts = array();
$percent_hosts = array();
if ($showhosts)
{
foreach ($hosts_up as $host => $val)
{
$cpus = $metrics[$host]["cpu_num"]['VAL'];
if (!$cpus) $cpus=1;
$load_one = $metrics[$host]["load_one"]['VAL'];
$load = ((float) $load_one)/$cpus;
$host_load[$host] = $load;
if(isset($percent_hosts[load_color($load)])) {
$percent_hosts[load_color($load)] += 1;
} else {
$percent_hosts[load_color($load)] = 1;
}
if ($metricname=="load_one")
$sorted_hosts[$host] = $load;
else if (isset($metrics[$host][$metricname]))
$sorted_hosts[$host] = $metrics[$host][$metricname]['VAL'];
else
$sorted_hosts[$host] = "";
}
foreach ($hosts_down as $host => $val)
{
$load = -1.0;
$down_hosts[$host] = $load;
if(isset($percent_hosts[load_color($load)])) {
$percent_hosts[load_color($load)] += 1;
} else {
$percent_hosts[load_color($load)] = 1;
}
}
# Show pie chart of loads
$pie_args = "title=" . rawurlencode("Cluster Load Percentages");
$pie_args .= "&size=250x150";
foreach($load_colors as $name=>$color)
{
if (!array_key_exists($color, $percent_hosts))
continue;
$n = $percent_hosts[$color];
$name_url = rawurlencode($name);
$pie_args .= "&$name_url=$n,$color";
}
$tpl->assign("pie_args", $pie_args);
# Host columns menu defined in header.php
$tpl->newBlock('columns_size_dropdown');
$tpl->assign("cols_menu", $cols_menu);
$tpl->assign("size_menu", $size_menu);
$tpl->newBlock('node_legend');
}
else
{
# Show pie chart of hosts up/down
$pie_args = "title=" . rawurlencode("Host Status");
$pie_args .= "&size=250x150";
$up_color = $load_colors["25-50"];
$down_color = $load_colors["down"];
$pie_args .= "&Up=$cluster[HOSTS_UP],$up_color";
$pie_args .= "&Down=$cluster[HOSTS_DOWN],$down_color";
$tpl->assign("pie_args", $pie_args);
}
# No reason to go on if we have no up hosts.
if (!is_array($hosts_up) or !$showhosts) {
$tpl->printToScreen();
return;
}
switch ($sort)
{
case "descending":
arsort($sorted_hosts);
break;
case "by name":
uksort($sorted_hosts, "strnatcmp");
break;
default:
case "ascending":
asort($sorted_hosts);
break;
}
$sorted_hosts = array_merge($down_hosts, $sorted_hosts);
# First pass to find the max value in all graphs for this
# metric. The $start,$end variables comes from get_context.php,
# included in index.php.
list($min, $max) = find_limits($sorted_hosts, $metricname);
# Second pass to output the graphs or metrics.
$i = 1;
foreach ( $sorted_hosts as $host => $value )
{
$tpl->newBlock ("sorted_list");
$host_url = rawurlencode($host);
$host_link="\"?c=$cluster_url&h=$host_url&$get_metric_string\"";
$textval = "";
#echo "$host: $value, ";
if (isset($hosts_down[$host]) and $hosts_down[$host])
{
$last_heartbeat = $cluster['LOCALTIME'] - $hosts_down[$host]['REPORTED'];
$age = $last_heartbeat > 3600 ? uptime($last_heartbeat) : "${last_heartbeat}s";
$class = "down";
$textval = "down <br> <font size=-2>Last heartbeat $age ago</font>";
}
else
{
if(isset($metrics[$host][$metricname]))
$val = $metrics[$host][$metricname];
else
$val = NULL;
$class = "metric";
if ($val['TYPE']=="timestamp" or
(isset($always_timestamp[$metricname]) and
$always_timestamp[$metricname]))
{
$textval = date("r", $val['VAL']);
}
elseif ($val['TYPE']=="string" or $val['SLOPE']=="zero" or
(isset($always_constant[$metricname]) and
$always_constant[$metricname] or
($max_graphs > 0 and $i > $max_graphs )))
{
$textval = "$val[VAL] $val[UNITS]";
}
else
{
$load_color = load_color($host_load[$host]);
$size = isset($clustergraphsize) ? $clustergraphsize : 'small';
$graphargs = (isset($reports[$metricname]) and
$reports[$metricname]) ?
"g=$metricname&" : "m=$metricname&";
$graphargs .= "z=$size&c=$cluster_url&h=$host_url"
."&l=$load_color&v=$val[VAL]&x=$max&n=$min"
."&r=$range&su=1&st=$cluster[LOCALTIME]";
}
}
if ($textval)
{
$cell="<td class=$class>".
"<b><a href=$host_link>$host</a></b><br>".
"<i>$metricname:</i> <b>$textval</b></td>";
}
else
{
$cell="<td><a href=$host_link>".
"<img src=\"./graph.php?$graphargs\" ".
"alt=\"$host\" border=0></a></td>";
}
$tpl->assign("metric_image", $cell);
if (! ($i++ % $hostcols) )
$tpl->assign ("br", "</tr><tr>");
}
$tpl->printToScreen();
?>