/
cluster_view.php
783 lines (667 loc) · 23.7 KB
/
cluster_view.php
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<?php
$refresh = isset($_GET['refresh']);
include_once "./eval_conf.php";
// ATD - function.php must be included before get_context.php.
// It defines some needed functions.
include_once "./functions.php";
include_once "./get_context.php";
include_once "./ganglia.php";
include_once "./get_ganglia.php";
include_once "./dwoo/dwooAutoload.php";
if ($refresh) {
try {
$dwoo = new Dwoo($conf['dwoo_compiled_dir'], $conf['dwoo_cache_dir']);
} catch (Exception $e) {
print "<H4>There was an error initializing the Dwoo PHP Templating Engine: " .
$e->getMessage() .
"<br><br>The compile directory should be owned and writable by the apache user.</H4>";
exit;
}
}
function get_picker_metrics($metrics, $reports, $gweb_root, $graph_engine) {
$context_metrics = array();
if (count($metrics)) {
foreach ($metrics as $host_metrics) {
foreach ($host_metrics as $metric_name => $metric_value) {
$context_metrics[$metric_name] = rawurldecode($metric_name);
}
}
foreach ($reports as $report_name => $report_value)
$context_metrics[] = $report_name;
}
if (!is_array($context_metrics))
return NULL;
$picker_metrics = array();
// Find all the optional reports
if ($handle = opendir($gweb_root . '/graph.d')) {
// If we are using RRDtool reports can be json or PHP suffixes
$report_suffix = ($graph_engine == "rrdtool") ? "php|json" : "json";
while (false !== ($file = readdir($handle))) {
if (preg_match("/(.*)(_report)\.(" . $report_suffix .")/",
$file,
$out)) {
if (!in_array($out[1] . "_report", $context_metrics))
$context_metrics[] = $out[1] . "_report";
}
}
closedir($handle);
}
sort($context_metrics);
foreach ($context_metrics as $metric) {
$url = rawurlencode($metric);
$picker_metrics[] = "<option value=\"$url\">$metric</option>";
}
return $picker_metrics;
}
function get_load($host, $metrics) {
if (isset($metrics[$host]["cpu_num"]['VAL']) and
$metrics[$host]["cpu_num"]['VAL'] != 0 ) {
$cpus = $metrics[$host]["cpu_num"]['VAL'];
} else {
$cpus = 1;
}
if (isset($metrics[$host]["load_one"]['VAL'])) {
$load_one = $metrics[$host]["load_one"]['VAL'];
} else {
$load_one = 0;
}
$load = ((float) $load_one) / $cpus;
return $load;
}
function get_load_pie($showhosts,
$hosts_up,
$hosts_down,
$user,
$load_colors,
$metrics,
$cluster,
$name,
$tpl_data) {
if ($showhosts != 0) {
$percent_hosts = array();
foreach ($hosts_up as $host => $val) {
// If host_regex is defined
if (isset($user['host_regex']) &&
! preg_match("/" . $user['host_regex'] . "/", $host))
continue;
$load_color = load_color(get_load($host, $metrics));
if (isset($percent_hosts[$load_color])) {
$percent_hosts[$load_color] += 1;
} else {
$percent_hosts[$load_color] = 1;
}
}
$num_hosts_down = count($hosts_down);
if ($num_hosts_down > 0)
$percent_hosts[load_color(-1)] = $num_hosts_down;
// 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_data->assign("pie_args", $pie_args);
} 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_data->assign("pie_args", $pie_args);
}
}
function get_host_metric_graphs($showhosts,
$hosts_up,
$hosts_down,
$host_regex,
$max_graphs,
$conf,
$metrics,
$metricname,
$sort,
$clustername,
$get_metric_string,
$cluster_localtime,
$always_timestamp,
$reports_metricname,
$clustergraphsize,
$range,
$start,
$end,
$cs,
$ce,
$vlabel,
$tpl_data) {
$sorted_hosts = array();
$down_hosts = array();
if ($showhosts == 0)
return;
foreach ($hosts_up as $host => $val) {
// If host_regex is defined
if ($host_regex &&
! preg_match("/" . $host_regex . "/", $host))
continue;
$load = get_load($host, $metrics);
$host_load[$host] = $load;
if ($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_up
foreach ($hosts_down as $host => $val) {
$down_hosts[$host] = -1.0;
}
$tpl_data->assign("node_legend", 1);
if (!is_array($hosts_up))
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.
// Do this only if person has not selected a maximum set of graphs to display
if ($max_graphs == 0 && $showhosts == 1) {
if ($cs and (is_numeric($cs) or strtotime($cs)))
$start = $cs;
if ($ce and (is_numeric($ce) or strtotime($ce)))
$end = $ce;
list($min, $max) = find_limits($clustername,
$sorted_hosts,
$metricname,
$start,
$end,
$metrics,
$conf,
$rrd_options);
}
// Second pass to output the graphs or metrics.
$i = 1;
// Initialize overflow list
$overflow_list = array();
$overflow_counter = 1;
$cluster_url = rawurlencode($clustername);
$size = isset($clustergraphsize) ? $clustergraphsize : 'small';
if ($conf['hostcols'] == 0) // enforce small size in multi-host report
$size = 'small';
$zoom_support = isset($conf['zoom_support']) &&
$conf['zoom_support'] === true;
foreach ($sorted_hosts as $host => $value) {
if (isset($hosts_down[$host]) &&
$hosts_down[$host] &&
isset($conf['cluster_hide_down_hosts']) &&
$conf['cluster_hide_down_hosts']) {
// If we're hiding DOWN hosts, we skip to next iteration of the loop.
continue;
}
$host_url = ($case_sensitive_hostnames) ?
rawurlencode($host) : strtolower(rawurlencode($host));
$host_link="\"?c=$cluster_url&h=$host_url&$get_metric_string\"";
$textval = NULL;
//echo "$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 > $max_graphs))) {
if (isset($reports_metricname) and $reports_metricname)
// No "current" values available for reports
$textval = "N/A";
else
$textval = "$val[VAL]";
if (isset($val['UNITS']))
$textval .= " $val[UNITS]";
}
}
$graphargs = "z=$size&c=$cluster_url&h=$host_url";
if (isset($host_load[$host])) {
$load_color = load_color($host_load[$host]);
$graphargs .= "&l=$load_color&v=$val[VAL]";
}
$graphargs .= "&r=$range&su=1&st=$cluster_localtime";
if ($cs)
$graphargs .= "&cs=" . rawurlencode($cs);
if ($ce)
$graphargs .= "&ce=" . rawurlencode($ce);
$report_graphargs = $graphargs;
// If we want scaling to be the same in clusterview we need to set
// $max and $min values
if ($showhosts == 1 && $max_graphs == 0 )
$graphargs .= "&x=$max&n=$min";
if (isset($vlabel))
$graphargs .= "&vl=" . urlencode($vlabel);
$host_item = array();
$host_item['name'] = $host;
$host_item['host_link'] = $host_link;
$host_item['textval'] = $textval;
$host_item['class'] = $class;
$host_item['report_graphargs'] = $report_graphargs;
$host_item['metric_graphargs'] = $graphargs;
$host_item['size'] = $size;
$host_item['zoom_support'] = $zoom_support;
// Check if max_graphs is set.
// If it put cells in an overflow list since that one is hidden by default
if ($max_graphs > 0 and $i++ > $max_graphs ) {
$overflow_list[] = $host_item;
} else {
$sorted_list[] = $host_item;
}
} // foreach sorted_hosts
$tpl_data->assign("sorted_list", $sorted_list);
// If there is an overflow list. These are hosts for which we don't
// show graphs just names
$overflow = array();
$overflow['list'] = $overflow_list;
$overflow['count'] = count($overflow_list);
$tpl_data->assign("overflow", $overflow);
}
function get_cluster_overview($showhosts,
$metrics,
$cluster,
$range,
$clustername,
$tpl_data) {
$cpu_num = !$showhosts ? $metrics["cpu_num"]['SUM'] :
cluster_sum("cpu_num", $metrics);
$overview = array();
$overview["cpu_num"] = $cpu_num;
$overview["num_nodes"] =
isset($cluster['HOSTS_UP']) ? intval($cluster['HOSTS_UP']) : 0;
$overview["num_dead_nodes"] =
isset($cluster['HOSTS_DOWN']) ? intval($cluster['HOSTS_DOWN']) : 0;
if (!$cpu_num)
$cpu_num = 1;
$cluster_load = array();
foreach (array("load_fifteen", "load_five", "load_one") as $load_metric) {
$load_sum = !$showhosts ? $metrics[$load_metric]['SUM'] :
cluster_sum($load_metric, $metrics);
$cluster_load[] = sprintf("%.0f%%",
((double) $load_sum / $cpu_num) * 100);
}
$overview["cluster_load"] = join(", ", $cluster_load);
$avg_cpu_num = find_avg($clustername, "", "cpu_num");
if ($avg_cpu_num == 0)
$avg_cpu_num = 1;
$cluster_util =
sprintf("%.0f%%",
((double) find_avg($clustername,
"",
"load_one") / $avg_cpu_num ) * 100);
$overview["cluster_util"] = "$cluster_util";
$overview["range"] = $range;
$tpl_data->assign("overview", $overview);
}
function get_cluster_optional_reports($clustername,
$conf_dir,
$optional_graphs,
$range,
$cs,
$ce,
$zoom_support,
$default_optional_graph_size,
$localtime,
$tpl_data) {
$graph_args = "c=" . rawurlencode($clustername) .
"&r=$range&st=$localtime";
if ($cs)
$graph_args .= "&cs=" . rawurlencode($cs);
if ($ce)
$graph_args .= "&ce=" . rawurlencode($ce);
// If we want zoomable support on graphs we need to add correct zoomable
// class to every image
$zoom_support = isset($zoom_support) && $zoom_support === true;
##############################################################################
# Let's find out what optional reports are included
# First we find out what the default (site-wide) reports are then look
# for host specific included or excluded reports
##############################################################################
$default_reports = array("included_reports" => array(),
"excluded_reports" => array());
if (is_file($conf_dir . "/default.json")) {
$default_reports = array_merge(
$default_reports,
json_decode(file_get_contents($conf_dir . "/default.json"), TRUE));
}
$cluster_file = $conf_dir .
"/cluster_" .
str_replace(" ", "_", $clustername) .
".json";
$override_reports = array("included_reports" => array(),
"excluded_reports" => array());
if (is_file($cluster_file)) {
$override_reports =
array_merge($override_reports,
json_decode(file_get_contents($cluster_file), TRUE));
}
# Merge arrays
foreach (array('included_reports', 'excluded_reports') as $report_type) {
$reports[$report_type] =
array_merge($default_reports[$report_type],
$override_reports[$report_type]);
$reports[$report_type] = array_unique($reports[$report_type]);
}
$optional_reports = array();
foreach ($reports["included_reports"] as $report_name ) {
if (! in_array( $report_name, $reports["excluded_reports"])) {
$report = array();
$report['name'] = $report_name;
$report['graph_args'] = $graph_args;
$report['zoom_support'] = $zoom_support;
$report['size'] = $default_optional_graph_size;
$optional_reports[] = $report;
}
}
$tpl_data->assign("optional_reports", $optional_reports);
$tpl_optional_graphs = array();
if (isset($optional_graphs)) {
foreach ($optional_graphs as $g) {
$tpl_optional_graphs[$g]['name'] = $g;
$tpl_optional_graphs[$g]['graph_args'] = $graph_args;
$tpl_optional_graphs[$g]['zoom_support'] = $zoom_support;
}
}
$tpl_data->assign('optional_graphs', $tpl_optional_graphs);
}
function show_stacked_graphs($clustername,
$metricname,
$range,
$localtime,
$host_regex,
$cs,
$ce,
$tpl_data) {
$stacked_args = "m=$metricname&c=" . rawurlencode($clustername) .
"&r=$range&st=$localtime";
if ($host_regex)
$stacked_args .= "&host_regex=" . $host_regex;
if ($cs)
$stacked_args .= "&cs=" . rawurlencode($cs);
if ($ce)
$stacked_args .= "&ce=" . rawurlencode($ce);
$tpl_data->assign("stacked_graph_args", $stacked_args);
}
function get_load_heatmap($hosts_up, $host_regex, $metrics, $load_scale, $tpl_data, $sort) {
foreach ($hosts_up as $host => $val) {
// If host_regex is defined
if (isset($host_regex) &&
! preg_match("/" . $host_regex . "/", $host))
continue;
$load = get_load($host, $metrics);
$host_load[$host] = $load / $load_scale;
}
$num_hosts = count($host_load);
if ($num_hosts == 0)
return;
switch ($sort) {
case "descending":
arsort($host_load);
break;
case "by name":
uksort($host_load, "strnatcmp");
break;
default:
case "ascending":
asort($host_load);
break;
}
$num_cols = ceil(sqrt($num_hosts));
$col_index = 0;
$row_index = 0;
$heatmap = '[';
foreach ($host_load as $host => $load) {
if ($col_index == 0) {
if ($row_index > 0)
$heatmap .= ',';
$heatmap .= '[';
}
if ($col_index > 0)
$heatmap .= ',';
$heatmap .= "{host:\"$host\",load:$load}";
if ($col_index == $num_cols - 1) {
$heatmap .= ']';
$col_index = 0;
$row_index++;
} else
$col_index++;
}
for( $i = $row_index; $i < $num_cols; $i++ ) {
for( $j = $col_index; $j < $num_cols; $j++ ) {
if ($j == 0) {
if ($i > 0)
$heatmap .= ',';
$heatmap .= '[';
}
if ($j > 0) {
$heatmap .= ',';
}
$heatmap .= "{host:\"unused\",load:0}";
}
$heatmap .= ']';
$col_index = 0;
}
$heatmap .= ']';
$tpl_data->assign("heatmap_data", $heatmap);
}
$fn = "cluster_" . ($refresh ? "refresh" : "view") . ".tpl";
$tpl = new Dwoo_Template_File(template($fn));
$tpl_data = new Dwoo_Data();
if (! $refresh) {
$tpl_data->assign(
"php_gd",
(function_exists('imagegif') or function_exists('imagepng')));
$tpl_data->assign("extra", template("cluster_extra.tpl"));
$tpl_data->assign("user_may_edit",
checkAccess($user['clustername'],
GangliaAcl::EDIT, $conf ) );
$tpl_data->assign("graph_engine", $conf['graph_engine']);
}
$tpl_data->assign("cluster", $user['clustername']);
$tpl_data->assign("localtimestamp", $cluster['LOCALTIME']);
$tpl_data->assign("localtime", date("Y-m-d H:i", $cluster['LOCALTIME']));
get_cluster_overview($user['showhosts'],
$metrics,
$cluster,
$user['range'],
$user['clustername'],
$tpl_data);
$user_metricname = $user['metricname'];
if (!$user['showhosts']) {
if (array_key_exists($user_metricname, $metrics))
$units = $metrics[$user_metricname]['UNITS'];
} else {
if ((!is_null($metrics[key($metrics)])) && array_key_exists($user_metricname, $metrics[key($metrics)]))
if (isset($metrics[key($metrics)][$user_metricname]['UNITS']))
$units = $metrics[key($metrics)][$user_metricname]['UNITS'];
else
$units = '';
}
if (isset($units)) {
$vlabel = $units;
}
if (! $refresh) {
get_cluster_optional_reports($user['clustername'],
$conf['conf_dir'],
$conf['optional_graphs'],
$user['range'],
$user['cs'],
$user['ce'],
$conf['zoom_support'],
$conf['default_optional_graph_size'],
$cluster['LOCALTIME'],
$tpl_data);
//////////////////////////////////////////////////////////////////////////////
// Begin Host Display Controller
//////////////////////////////////////////////////////////////////////////////
// Correctly handle *_report cases and blank (" ") units
if (isset($units)) {
if ($units == " ")
$units = "";
else
$units = $units ? "($units)" : "";
} else {
$units = "";
}
$tpl_data->assign("metric", "{$user['metricname']} $units");
$tpl_data->assign("metric_name", "{$user['metricname']}");
$tpl_data->assign("sort", $user['sort']);
$tpl_data->assign("range", $user['range']);
$showhosts_levels = array(2 => array('checked' => '', 'name' => 'Auto'),
1 => array('checked' => '', 'name' => 'Same'),
0 => array('checked' => '', 'name' => 'None'));
$showhosts_levels[$user['showhosts']]['checked'] = 'checked';
$tpl_data->assign("showhosts_levels", $showhosts_levels);
if ($user['showhosts']) {
$tpl_data->assign("columns_size_dropdown", 1);
$tpl_data->assign("cols_menu", $cols_menu);
$tpl_data->assign("size_menu", $size_menu);
}
$set_host_regex_value =
(isset($user['host_regex']) &&
$user['host_regex'] != "") ?
"value='" . htmlentities($user['host_regex'], ENT_QUOTES) . "'" : "";
// In some clusters you may have thousands of hosts which may load
// for a long time. For those cases we have the ability to display
// only the max amount of graphs and put place holders for the rest ie.
// it will say only print host name without an image
$max_graphs_options = array(1000,500,200,100,50,25,20,15,10);
if (isset($user['max_graphs']) && is_numeric($user['max_graphs']))
$max_graphs = $user['max_graphs'];
else
$max_graphs = $conf['max_graphs'];
$max_graphs_values = "<option value=0>all</option>";
foreach ($max_graphs_options as $value) {
if ($max_graphs == $value)
$max_graphs_values .= "<option selected>" . $value . "</option>";
else
$max_graphs_values .= "<option>" . $value . "</option>";
}
$tpl_data->assign("additional_filter_options", "");
if ($user['showhosts']) {
$tpl_data->assign(
"additional_filter_options",
'Show only nodes matching <input name=host_regex ' .
$set_host_regex_value . '>' .
'<input class="header_btn" type="SUBMIT" VALUE="Filter">' .
'<div style="display:inline;padding-left:10px;" class="nobr">Max graphs to show <select onChange="ganglia_submit();" name="max_graphs">' .
$max_graphs_values .
'</select></div>' .
'<div style="display:inline;padding-left:10px;" class="nobr">' .
make_sort_menu($context, $user['sort']) .
'</div>');
}
//////////////////////////////////////////////////////////////////////////////
// End Host Display Controller
//////////////////////////////////////////////////////////////////////////////
}
if ((count($hosts_up) == 0) ||
!(isset($conf['heatmaps_enabled']) and $conf['heatmaps_enabled'] == 1))
get_load_pie($user['showhosts'],
$hosts_up,
$hosts_down,
$user,
$conf['load_colors'],
$metrics,
$cluster,
$name,
$tpl_data);
if ($user['showhosts'] != 0)
get_host_metric_graphs($user['showhosts'],
$hosts_up,
$hosts_down,
isset($user['host_regex']) ? $user['host_regex'] : NULL,
isset($user['max_graphs']) ? $user['max_graphs'] : $conf['max_graphs'],
$conf,
$metrics,
$user['metricname'],
$user['sort'],
$user['clustername'],
$get_metric_string,
$cluster['LOCALTIME'],
$always_timestamp,
$reports[$user['metricname']],
$clustergraphsize,
$user['range'],
$start,
$end,
$user['cs'],
$user['ce'],
$vlabel,
$tpl_data);
///////////////////////////////////////////////////////////////////////////////
// Creates a heatmap
///////////////////////////////////////////////////////////////////////////////
if (isset($conf['heatmaps_enabled']) and
$conf['heatmaps_enabled'] == 1 and
(count($hosts_up) > 0))
get_load_heatmap($hosts_up, $user['host_regex'], $metrics, $conf['load_scale'], $tpl_data, $user['sort']);
$tpl_data->assign("conf", $conf);
$tpl_data->assign("showhosts", $user['showhosts']);
$tpl_data->assign("reports_metricname",
isset($reports[$user['metricname']]) &&
$reports[$user['metricname']]);
$tpl_data->assign("hostcols", $conf['hostcols']);
// No reason to go on if we are not displaying individual hosts
if (!is_array($hosts_up) or !$user['showhosts']) {
$dwoo->output($tpl, $tpl_data);
return;
}
///////////////////////////////////////////////////////////////////////////////
// Show stacked graphs
///////////////////////////////////////////////////////////////////////////////
if (isset($conf['show_stacked_graphs']) and
$conf['show_stacked_graphs'] == 1 and
! preg_match("/_report$/", $user['metricname']))
show_stacked_graphs($user['clustername'],
$user['metricname'],
$user['range'],
$cluster['LOCALTIME'],
$user['host_regex'],
$user['cs'],
$user['ce'],
$tpl_data);
if ($conf['picker_autocomplete'] == true) {
$tpl_data->assign('picker_autocomplete', true);
} else {
$picker_metrics = get_picker_metrics($metrics,
$reports,
$conf['gweb_root'],
$conf['graph_engine']);
if ($picker_metrics != NULL)
$tpl_data->assign("picker_metrics", join("", $picker_metrics));
}
$dwoo->output($tpl, $tpl_data);
?>