function build_graphite_url($rrd_graphite_link, $rrd_dir, $conf, $clustername, $host, $size, $height, $width, $graph_config, $context, $metric_name, $cs, $ce, $start, $end, $min, $max, $title, $range)
{
// Check whether the link exists from Ganglia RRD tree to the graphite
// storage/rrd_dir area
if (!is_link($rrd_graphite_link)) {
// Does the directory exist for the cluster. If not create it
if (!is_dir($conf['graphite_rrd_dir'] . "/" . str_replace(" ", "_", $clustername))) {
mkdir($conf['graphite_rrd_dir'] . "/" . str_replace(" ", "_", $clustername));
}
symlink($rrd_dir, str_replace(" ", "_", $rrd_graphite_link));
}
// Generate host cluster string
if (isset($clustername)) {
$host_cluster = str_replace(" ", "_", $clustername) . "." . $host;
} else {
$host_cluster = $host;
}
$height += 70;
if ($size == "small") {
$width += 20;
}
// If graph_config is already set we can use it immediately
if (isset($graph_config)) {
$target = build_graphite_series($context, $graph_config, "");
} else {
if (isset($_GET['g'])) {
// if it's a report increase the height for additional 30 pixels
$height += 40;
$report_name = sanitize($_GET['g']);
$report_definition_file = $conf['gweb_root'] . "/graph.d/" . $report_name . ".json";
// Check whether report is defined in graph.d directory
if (is_file($report_definition_file)) {
$graph_config = json_decode(file_get_contents($report_definition_file), TRUE);
} else {
error_log("There is JSON config file specifying {$report_name}.");
exit(1);
}
if (isset($graph_config)) {
switch ($graph_config["report_type"]) {
case "template":
$target = str_replace("HOST_CLUSTER", $conf['graphite_prefix'] . $host_cluster, $graph_config["graphite"]);
break;
case "standard":
$target = build_graphite_series($context, $graph_config, $conf['graphite_prefix'] . $host_cluster);
break;
default:
error_log("No valid report_type specified in the " . $report_name . " definition.");
break;
}
$title = $graph_config['title'];
} else {
error_log("Configuration file to {$report_name} exists; " . "however, it doesn't appear it's a valid JSON file");
exit(1);
}
} else {
// It's a simple metric graph
$vlabel = isset($_GET["vl"]) ? sanitize($_GET["vl"]) : NULL;
$target = "target=" . $conf['graphite_prefix'] . "{$host_cluster}.{$metric_name}.sum&hideLegend=true&vtitle=" . urlencode($vlabel) . "&areaMode=all&colorList=" . $conf['default_metric_color'];
$title = " ";
}
}
if ($cs) {
$start = date("H:i_Ymd", strtotime($cs));
}
if ($ce) {
$end = date("H:i_Ymd", strtotime($ce));
}
if ($max == 0) {
$max = "";
}
$graphite_url = $conf['graphite_url_base'] . "?width={$width}&height={$height}&" . $target . "&from=" . $start . "&until=" . $end . "&yMin=" . $min . "&yMax=" . $max . "&bgcolor=FFFFFF&fgcolor=000000&title=" . urlencode($title . " last " . $range);
return $graphite_url;
}
// Check whether report is defined in graph.d directory
if ( is_file($report_definition_file) ) {
$graph_config = json_decode(file_get_contents($report_definition_file), TRUE);
} else {
error_log("There is JSON config file specifying $report_name.");
exit(1);
}
if ( isset($graph_config) ) {
switch ( $graph_config["report_type"] ) {
case "template":
$target = str_replace("HOST_CLUSTER", $host_cluster, $graph_config["graphite"]);
break;
case "standard":
$target = build_graphite_series( $graph_config, $host_cluster );
break;
default:
error_log("No valid report_type specified in the $report_name definition.");
break;
}
$title = $graph_config['title'];
} else {
error_log("Configuration file to $report_name exists however it doesn't appear it's a valid JSON file");
exit(1);
}
} else {
// It's a simple metric graph
$target = "target=$host_cluster.$metric_name.sum&hideLegend=true&vtitle=" . urlencode($vlabel) . "&areaMode=all";
$report_name = sanitize($_GET['g']);
$report_definition_file = $conf['gweb_root'] . "/graph.d/" . $report_name . ".json";
// Check whether report is defined in graph.d directory
if (is_file($report_definition_file)) {
$graph_config = json_decode(file_get_contents($report_definition_file), TRUE);
} else {
error_log("There is JSON config file specifying {$report_name}.");
exit(1);
}
if (isset($graph_config)) {
switch ($graph_config["report_type"]) {
case "template":
$target = str_replace("HOST_CLUSTER", $conf['graphite_prefix'] . $host_cluster, $graph_config["graphite"]);
break;
case "standard":
$target = build_graphite_series($graph_config, $conf['graphite_prefix'] . $host_cluster);
break;
default:
error_log("No valid report_type specified in the " . $report_name . " definition.");
break;
}
$title = $graph_config['title'];
} else {
error_log("Configuration file to {$report_name} exists however it doesn't appear it's a valid JSON file");
exit(1);
}
} else {
// It's a simple metric graph
$target = "target=" . $conf['graphite_prefix'] . "{$host_cluster}.{$metric_name}.sum&hideLegend=true&vtitle=" . urlencode($vlabel) . "&areaMode=all&colorList=" . $conf['default_metric_color'];
$title = " ";
}
