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node_status.html
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<!DOCTYPE HTML>
<html>
<head>
<style>
div.title {
height: 100px;
font-size: 40px;
font-weight: bold;
text-align: center;
font-family: sans-serif;
line-height: 100px;
}
/*** CSS for demo bar that shows different levels of full nodes ***/
div.gradient_demo_container {
height: auto;
display: flex;
flex-direction: row;
margin-bottom: 10px;
margin-right: 100px;
margin-left: 100px;
}
div.gradient_demo_title,
div.gradient_demo_empty,
div.gradient_demo_low,
div.gradient_demo_med,
div.gradient_demo_high,
div.gradient_demo_very_high,
div.gradient_demo_full,
div.gradient_demo_null,
div.gradient_demo_low_no_job,
div.gradient_demo_med_no_job,
div.gradient_demo_high_no_job,
div.gradient_demo_very_high_no_job,
div.gradient_demo_full_no_job
{
text-align: center;
flex-grow: 1;
height: 40px;
line-height: 40px;
border: 1px solid #000000;
font-family: sans-serif;
color: black;
font-size: 20px;
}
div.gradient_demo_very_high,
div.gradient_demo_full,
div.gradient_demo_null
{
color: white;
text-shadow: none
}
div.display_container {
height: auto;
display: flex;
flex-direction: column;
}
div.partition_container {
margin-bottom: 4px;
margin-right: 100px;
/*margin-left: 100px;*/
flex-grow: 1;
display: flex;
flex-direction: row;
}
div.partition_title {
width: 250px;
/*border: 1px solid #000000;*/
font-size: 20px;
text-align: center;
font-family: sans-serif;
line-height: 80px;
}
/*** make nodes fill area, give black border ***/
div.node_null_no_job,
div.node_empty_no_job,
div.node_low_no_job,
div.node_med_no_job,
div.node_high_no_job,
div.node_very_high_no_job,
div.node_full_no_job,
div.node_null,
div.node_empty,
div.node_low,
div.node_med,
div.node_high,
div.node_very_high,
div.node_full
{
flex-grow: 1;
border: 1px solid #000000;
}
/*** N/A node background stripes ***/
div.gradient_demo_null,
div.node_null
{
background: repeating-linear-gradient(
45deg,
#555555,
#666666 10px,
#444444 10px,
#333333 20px
);
}
/*** No jobs running stripes **/
div.gradient_demo_low_no_job,
div.node_low_no_job {
background: repeating-linear-gradient(
135deg,
white,
white .4em,
#ffff6d 0,
#ffff6d .75em
);
}
div.gradient_demo_med_no_job,
div.node_med_no_job {
background: repeating-linear-gradient(
135deg,
white,
white .4em,
#24ff24 0,
#24ff24 .75em
);
}
div.gradient_demo_high_no_job,
div.node_high_no_job
{
background: repeating-linear-gradient(
135deg,
white,
white .4em,
#db9500 0,
#db9500 .75em
);
}
div.gradient_demo_very_high_no_job,
div.node_very_high_no_job
{
background: repeating-linear-gradient(
135deg,
white,
white .4em,
#924900 0,
#924900 .75em
);
}
div.gradient_demo_full_no_job,
div.node_full_no_job
{
background: repeating-linear-gradient(
135deg,
white,
white .4em,
#920000 0,
#920000 .75em
);
}
/*** node background colours by load ***/
/*** Colours were chosen to be visible as different shades for users with any kind of colour blindness ***/
div.node_empty,
div.gradient_demo_empty
{background-color: white;}/*No Colour*/
div.node_low,
div.gradient_demo_low
{background-color: #ffff6d;}/*Lowest Colour*/
div.node_med,
div.gradient_demo_med
{background-color: #24ff24;}/*2nd Colour*/
div.node_high,
div.gradient_demo_high
{background-color: #db9500;}/*3rd Colour*/
div.node_very_high,
div.gradient_demo_very_high
{background-color: #924900;}/*4th Colour*/
div.node_full,
div.gradient_demo_full
{background-color: #920000;}/*Highest Colour*/
/*** highlight node when hovered ***/
div.node_null_no_job:hover,
div.node_empty_no_job:hover,
div.node_low_no_job:hover,
div.node_med_no_job:hover,
div.node_high_no_job:hover,
div.node_very_high_no_job:hover,
div.node_full_no_job:hover,
div.node_null:hover,
div.node_empty:hover,
div.node_low:hover,
div.node_med:hover,
div.node_high:hover,
div.node_very_high:hover,
div.node_full:hover
{
border-color: white;
}
/*** tooltip base, default to hidden ***/
div.node_null_no_job .tooltip-span,
div.node_empty_no_job .tooltip-span,
div.node_low_no_job .tooltip-span,
div.node_med_no_job .tooltip-span,
div.node_high_no_job .tooltip-span,
div.node_very_high_no_job .tooltip-span,
div.node_full_no_job .tooltip-span,
div.node_null .tooltip-span,
div.node_empty .tooltip-span,
div.node_low .tooltip-span,
div.node_med .tooltip-span,
div.node_high .tooltip-span,
div.node_very_high .tooltip-span,
div.node_full .tooltip-span
{
display: none;
color: #fff;
background-color: #333;
padding: 5px;
font-family: sans-serif;
border-radius: 5px;
}
/*** tooltip show on hover ***/
div.node_null_no_job:hover .tooltip-span,
div.node_empty_no_job:hover .tooltip-span,
div.node_low_no_job:hover .tooltip-span,
div.node_med_no_job:hover .tooltip-span,
div.node_high_no_job:hover .tooltip-span,
div.node_very_high_no_job:hover .tooltip-span,
div.node_full_no_job:hover .tooltip-span,
div.node_null:hover .tooltip-span,
div.node_empty:hover .tooltip-span,
div.node_low:hover .tooltip-span,
div.node_med:hover .tooltip-span,
div.node_high:hover .tooltip-span,
div.node_very_high:hover .tooltip-span,
div.node_full:hover .tooltip-span
{
display: block;
position: fixed;
}
/*** tooltip bottom arrow ***/
div.node_null_no_job .tooltip-span:after,
div.node_empty_no_job .tooltip-span:after,
div.node_low_no_job .tooltip-span:after,
div.node_med_no_job .tooltip-span:after,
div.node_high_no_job .tooltip-span:after,
div.node_very_high_no_job .tooltip-span:after,
div.node_full_no_job .tooltip-span:after,
div.node_null .tooltip-span:after,
div.node_empty .tooltip-span:after,
div.node_low .tooltip-span:after,
div.node_med .tooltip-span:after,
div.node_high .tooltip-span:after,
div.node_very_high .tooltip-span:after,
div.node_full .tooltip-span:after
{
content: " ";
top: 100%;
left: 50%;
position: absolute;
margin-left: -8px;
border-width: 8px;
border-style: solid;
border-color: #333 transparent transparent transparent;
}
#timestamp {
font-family: sans-serif;
font-size: 15px;
}
</style>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore.js"></script>
<script type="text/javascript">
//gets json data from a url
var getJSON = function(url, callback) {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = 'json';
xhr.onload = function() {
var status = xhr.status;
if (status === 200) {
callback(null, xhr.response);
} else {
callback(status, xhr.response);
}
};
xhr.send();
};
//builds up the full cluster data, one partition at a time, and the nodes to hold the partitions
function cluster(data) {
var newCluster = document.createDocumentFragment();
_.each(data, function(part, key){
var newPart = buildpartition(part, key)
newCluster.appendChild(newPart);
});
document.getElementById("div_contain").appendChild(newCluster);
}
//builds the partitions data and nodes that hold it
function buildpartition(part, partkey) {
var newPart = document.createElement('div');
newPart.className = "partition_container";
// From highest priority to lowest, top to bottom
if (typeof part.priority !== 'undefined'){
newPart.style.order = -part.priority;
}
var newPartTitle = document.createElement('div');
newPartTitle.className = "partition_title";
newPartTitle.innerHTML = partkey;
newPart.appendChild(newPartTitle);
_.each(part.nodes, function(node, key) {
var newNode = buildpartitionnode(node, key, partkey);
newPart.appendChild(newNode);
});
return newPart;
}
//builds the nodes inside a partition and populates with the data
function buildpartitionnode(node, key, partname) {
var newNode = document.createElement('div');
if (node["active"] != true){
newNode.className = "node_null";
}
else {
var perc = 0;
var perc_cpu = node['total_used_cpus'] / node['total_cpus'];
var perc_mem = node['total_used_mem'] / node['total_memory'];
if (perc_mem > .95){// >95% is effectively full
perc_mem = 1;
}
if (perc_cpu > perc_mem){
perc = perc_cpu;
} else {
perc = perc_mem;
}
var num_running = node['running_jobs'];
var node_class = "";
/*** TODO: add these cutoff values to variables somewhere ***/
if (num_running > 0) {
if (perc == 1){ node_class = "node_full";}
else if (perc > 0.75){node_class = "node_very_high";}
else if (perc > 0.5){node_class = "node_high";}
else if (perc > 0.25){node_class = "node_med";}
else if (perc > 0){node_class = "node_low";}
else {node_class = "node_empty";}
}
else {
if (perc == 1){ node_class = "node_full_no_job";}
else if (perc > 0.75){node_class = "node_very_high_no_job";}
else if (perc > 0.5){node_class = "node_high_no_job";}
else if (perc > 0.25){node_class = "node_med_no_job";}
else if (perc > 0){node_class = "node_low_no_job";}
else {node_class = "node_empty";}
}
var newTip = document.createElement('span');
newTip.className = "tooltip-span";
var display_text = "<b>Node: " + key + " @ " + partname + "</b>";
display_text += "<br/>Running Jobs: " + node['running_jobs'];
display_text += "<br/>CPUs: " + node['cpus_allocated'] + "/" + node['total_cpus'] + " : " + (node['cpus_allocated'] / node['total_cpus'] *100 | 0) + "%";
display_text += "<br/>Memory: " + node['mem_allocated'] + "/" + node['total_memory'] + " MB : " + (node['mem_allocated'] / node['total_memory'] *100 | 0) + "%";
display_text += "<br/><b>Total Usage on Node</b>";
display_text += "<br/>CPUs: " + node['total_used_cpus'] + "/" + node['total_cpus'] + " : " + (node['total_used_cpus'] / node['total_cpus'] *100 | 0) + "%";
display_text += "<br/>Memory: " + node['total_used_mem'] + "/" + node['total_memory'] + " MB : " + (node['total_used_mem'] / node['total_memory'] *100 | 0) + "%";
newTip.innerHTML = display_text;
newNode.appendChild(newTip);
newNode.className = node_class;
}
return newNode;
}
//auto update the status
function timerfn() {
//TODO: this url should be an a variable that's easy to access
getJSON('http://my.slurm-rest-api.url/usage',
function(err, json_data) {
if (err !== null) {
alert('Something went wrong! Tell a developer: ' + err);
} else {
//Draw stuff here
var node = document.getElementById("div_contain");
while (node.hasChildNodes()) {
node.removeChild(node.lastChild);
}
cluster(json_data.data.partitions);
}
});
var div_time = document.getElementById('timestamp');
var d = new Date();
div_time.innerHTML = "↻ Last Updated: " + d.toString();
}
//draw the mouse over info
window.onmousemove = function (e) {
var tooltips = document.getElementsByClassName('tooltip-span');
var x = e.clientX,
y = e.clientY;
_.each(tooltips, function(tip) {
var offsetW = tip.offsetWidth;
var offsetH = tip.offsetHeight + 25;
if(offsetW != 0){
tip.style.left = (x - offsetW/2) + 'px';
tip.style.top = (y - offsetH) + 'px';
}
});
};
window.onload = function() {
timerfn();
var div_time = document.getElementById('timestamp');
div_time.style.cursor = 'pointer';
div_time.onclick = function() {
timerfn();
}
//TODO:
//Auto refresh could be an option but the way the the tooptips get drawn does not allow it to draw cleanly.
//need to have tooltips draw to mouse location by default so that they dont go to the default location on interval
//also, this may not be a good idea because it calls a semi-expensive process on the backend each time.
//setInterval(timerfn, 1 * 1000);
}
</script>
</head>
<body>
<div class="title">Cluster Status</div>
<div id="div_contain" class="display_container"></div>
<div id="timestamp">↺ Last Updated...</div>
<div class="title">Legend</div>
<div id="gradient_demo" class="gradient_demo_container">
<div class="gradient_demo_title">Node Load Status</div>
<div class="gradient_demo_empty">Empty</div>
<div class="gradient_demo_low">Low</div>
<div class="gradient_demo_med">Medium</div>
<div class="gradient_demo_high">High</div>
<div class="gradient_demo_very_high">Very High</div>
<div class="gradient_demo_full">Full</div>
<div class="gradient_demo_null">Not Available</div>
</div>
<div id="gradient_demo" class="gradient_demo_container">
<div class="gradient_demo_title">Node Load [with no jobs on this tier]</div>
<div class="gradient_demo_low_no_job"></div>
<div class="gradient_demo_med_no_job"></div>
<div class="gradient_demo_high_no_job"></div>
<div class="gradient_demo_very_high_no_job"></div>
<div class="gradient_demo_full_no_job"></div>
</div>
</body>
</html>