/**
* Return a common graph, defined here and shared across dashboards
*/
function getCommonGraph($type, $params = array())
{
$title = isset($params['title']) ? $params['title'] : $type;
if (isset($params['title_prefix'])) {
$title = $params['title_prefix'] . $title;
}
if (isset($params['title_suffix'])) {
$title = $title . $params['title_suffix'];
}
$base = $params['server'];
$site = isset($params['site']) ? $params['site'] : null;
$width = isset($params['width ']) ? $params['width '] : 380;
$height = isset($params['height']) ? $params['height'] : 220;
// Server
switch (strtolower($type)) {
case "apache":
return Graphite::inst()->setTitle($title)->addMetric('alias(secondYAxis(divideSeries(' . $base . '.memory.rss.apache,' . $base . '.apache.process-count)),"Memory per process")', '#0000ff')->addMetric('alias(' . $base . '.apache.workers.busy,"Busy Workers")', '#00cc00')->addMetric('alias(' . $base . '.apache.process-count,"All Workers")', '#cc00cc')->setSize($width, $height);
case "mysql":
return Graphite::inst()->setTitle($title)->addMetric('alias(derivative(' . $base . '.mysql.queries.select),"Read Queries / min")')->addMetric('alias(secondYAxis(derivative(sumSeries(' . $base . '.mysql.queries.update,' . $base . '.mysql.queries.delete,' . $base . '.mysql.queries.insert))),"Write Queries / min")')->setSize($width, $height);
case "load average":
return Graphite::inst()->setTitle($title)->addMetric('lineWidth(movingAverage(' . $base . '.loadavg.1min,10),3)', '#dddddd')->addMetric($base . '.loadavg.1min', '#00cc00')->hideLegend(true)->setSize($width, $height);
case "cpu usage":
return Graphite::inst()->setTitle($title)->addMetric('alias(divideSeries(derivative(' . $base . '.cpu.non-nice),derivative(' . $base . '.cpu.total)),"User")', '#0000cc')->addMetric('alias(divideSeries(derivative(' . $base . '.cpu.io-wait),derivative(' . $base . '.cpu.total)),"I/O wait")', '#770000')->addMetric('alias(divideSeries(derivative(sumSeries(' . $base . '.cpu.system,' . $base . '.cpu.stolen,' . $base . '.cpu.irg,' . $base . '.cpu.soft-irq)),derivative(' . $base . '.cpu.total)),"system")', '#cc00cc')->addMetric('alias(divideSeries(derivative(' . $base . '.cpu.nice),derivative(' . $base . '.cpu.total)),"Nice")', '#00cc00')->displayStacked(true)->setYMax(1)->setSize($width, $height);
case "memory free":
return Graphite::inst()->setTitle($title)->addMetric('alias(' . $base . '.memory.free,"Free")', '#00cc00')->addMetric('alias(' . $base . '.memory.buffer,"Buffer")', '#00cccc')->addMetric('alias(' . $base . '.memory.swap-cache,"Swap Cache")', '#000077')->displayStacked(true)->setSize($width, $height);
case "physical memory used":
$graph = Graphite::inst()->setTitle($title)->displayStacked(true)->setSize($width, $height);
foreach (array('apache', 'nginx', 'varnish', 'mysql', 'postgres', 'solr', 'php', 'java', 'exim', 'console', 'ssh', 'other') as $rssMetric) {
$graph->addMetric('alias(' . $base . '.memory.rss.' . $rssMetric . ',"' . $rssMetric . '")');
}
return $graph;
case "swapping":
return Graphite::inst()->setTitle($title)->addMetric('alias(derivative(' . $base . '.memory.swapped-in),"Swap In")', '#00cc00')->addMetric('alias(derivative(' . $base . '.memory.swapped-out),"Swap Out")', '#cc00cc')->setSize($width, $height);
case "apc":
return Graphite::inst()->setTitle($title)->addMetric('alias(' . $base . '.php.apc.cache-misses,"Cache misses (spikes OK)")')->addMetric('alias(secondYAxis(' . $base . '.php.apc.free-mem),"Free APC memory")')->setSize($width, $height);
// Site-specific
// Site-specific
case "requests":
return Graphite::inst()->setTitle($site)->addMetric('alias(' . $base . '.apache.' . $site . '.request.req_per_min,"Requests per min")', '#00cc00')->addMetric('alias(secondYAxis(' . $base . '.apache.' . $site . '.request.time_95),"Response time (95th percentile)")', '#cc0000')->addMetric('alias(secondYAxis(' . $base . '.apache.' . $site . '.request.time_avg),"Response time (avg)")', '#aa5500')->setSize($width, $height);
case "% by http code":
return Graphite::inst()->setTitle($site)->addMetric('alias(secondYAxis(drawAsInfinite(' . $base . '.apache.' . $site . '.status.http_5xx)),"5xx error occurred")', '#0000FF')->addMetric('alias(scale(divideSeries(' . $base . '.apache.' . $site . '.status.http_3xx,' . $base . '.apache.' . $site . '.request.req_per_min),100),"3xx (%)")', '#cc0000')->addMetric('alias(scale(divideSeries(' . $base . '.apache.' . $site . '.status.http_4xx,' . $base . '.apache.' . $site . '.request.req_per_min),100),"4xx (%)")', '#00cc00')->addMetric('alias(scale(divideSeries(' . $base . '.apache.' . $site . '.status.http_5xx,' . $base . '.apache.' . $site . '.request.req_per_min),100),"5xx (%)")', '#0000cc')->setSize($width, $height);
}
}