/
ec2-spot-prices.htm
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/
ec2-spot-prices.htm
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<!doctype html>
<html>
<head>
<title>PubNub Stream</title>
<link href=http://fonts.googleapis.com/css?family=Cabin|Kameron
rel=stylesheet>
<meta http-equiv=Content-Type content=text/html;charset=utf-8>
<meta name=viewport content=width=320,height=480,user-scalable=0>
<meta name=apple-mobile-web-app-capable content=yes>
<style>
body {
margin: 0;
padding: 0;
font-size: 14px;
line-height: 14px;
font-family: Cabin,'Helvetica Neue',Helvetica,Arial,sans-serif;
text-shadow: rgba(0,0,0,0.3) 0 -1px 1px;
color: #fff;
background-color: #000;
}
.template { display: none }
.relative { position: relative }
.os-title {
margin: 10px 0 0 10px;
}
.clear { clear: both }
.list-footer {
color: #fff;
font-size: 18px;
line-height: 18px;
}
#list-footer {
text-align: center;
margin: 10px 4px 4px 4px;
padding: 20px;
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
-ms-border-radius: 4px;
-o-border-radius: 4px;
border-radius: 4px;
}
/* -----------------------------------------------------------------------
INSTANCES
----------------------------------------------------------------------- */
.instance {
float: left;
position: relative;
cursor: default;
width: 312px;
height: 66px;
background: #778 url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAABCCAYAAACbx8wMAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAABQSURBVHjaYvz//38QA3YgxAIk/uOQ/D9Qkv9wSP4j21iGweYgGoXQMIqy/zSM7EEXn+T7c3h45f9A5eyREEJMDHjAQLh2IBxEIzvxGgsQYADsCHjfVTwmSwAAAABJRU5ErkJggg==');
margin: 10px 4px 4px 4px;
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
-ms-border-radius: 4px;
-o-border-radius: 4px;
border-radius: 4px;
-webkit-transition: all 0.5s;
-moz-transition: all 0.5s;
-ms-transition: all 0.5s;
-o-transition: all 0.5s;
transition: all 0.5s;
}
.type {
position: absolute;
top: 10px;
left: 10px;
font-size: 18px;
line-height: 18px;
}
.platform {
position: absolute;
top: 30px;
left: 10px;
color: #ddd;
font-size: 12px;
line-height: 12px;
}
.price {
position: absolute;
top: 22px;
right: 110px;
font-family: Kameron;
font-weight: 700;
text-align: right;
font-size: 22px;
line-height: 22px;
}
.price-range {
position: absolute;
top: 10px;
right: 110px;
font-weight: 700;
text-align: right;
font-size: 12px;
line-height: 12px;
}
.high {
color: #f22;
text-shadow: rgba(0,0,0,0.4) 0 1px 1px;
}
.avg {
color: #dd2;
text-shadow: rgba(0,0,0,0.4) 0 1px 1px;
}
.low {
color: #0e0;
text-shadow: rgba(0,0,0,0.4) 0 1px 1px;
}
.price-change {
position: absolute;
top: 10px;
right: 10px;
width: 90px;
height: 26px;
background-repeat: repeat-x;
background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAaCAYAAACD+r1hAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAAA5SURBVHjaYvz///8kBhIACxD/oLmG76NOooWGn4NPwy+aa/hNcw1/Bp+GvzTX8I/mGv7T1AaAAAMA1RYcZ0WJbPgAAAAASUVORK5CYII=');
font-family: Kameron;
font-weight: 700;
text-align: center;
padding-top: 4px;
font-size: 15px;
line-height: 22px;
-webkit-border-radius: 6px;
-moz-border-radius: 6px;
-ms-border-radius: 6px;
-o-border-radius: 6px;
border-radius: 6px;
}
.up {
background-color: #f00;
border: 2px solid #a00;
}
.flat {
background-color: #dd0;
border: 2px solid #cc0;
}
.down {
background-color: #0c0;
border: 2px solid #0a0;
}
.remove {
position: absolute;
cursor: pointer;
right: -4px;
top: -8px;
width: 20px;
height: 20px;
background: #000 url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAaCAYAAACD+r1hAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAAA5SURBVHjaYvz///8kBhIACxD/oLmG76NOooWGn4NPwy+aa/hNcw1/Bp+GvzTX8I/mGv7T1AaAAAMA1RYcZ0WJbPgAAAAASUVORK5CYII=') repeat-x;
text-align: center;
font-size: 14px;
line-height: 20px;
-webkit-border-radius: 60px;
-moz-border-radius: 60px;
-ms-border-radius: 60px;
-o-border-radius: 60px;
border-radius: 60px;
}
/* -----------------------------------------------------------------------
PERCENT BOX
----------------------------------------------------------------------- */
.percent-container {
position: absolute;
top: 55px;
left: 10px;
overflow: hidden;
width: 291px;
height: 3px;
border-bottom: 1px solid rgba(255,255,255,0.4);
border-right: 1px solid rgba(255,255,255,0.4);
}
.percent-range {
background: rgba(255,255,255,0.7);
height: 3px;
border-right: 2px solid rgba(255,255,255,0.6);
-webkit-transition: all 0.9s;
-moz-transition: all 0.9s;
-ms-transition: all 0.9s;
-o-transition: all 0.9s;
transition: all 0.9s;
}
.percent-high {
background: #b22;
}
.percent-avg {
background: #dd2;
}
.percent-low {
background: #2a2;
}
</style>
</head>
<body>
<!-- ITEM TEMPLATE -->
<div id=instance-template class=template>
<div class=instance id={id}>
<div class=type>{type}</div>
<div class=platform>{platform}</div>
<div
id={id}-range
class='{range} price-range'
>{range_name}</div>
<div
id={id}
class=price
>{price}</div>
<div
id={id}-change
class='{direction} price-change'
>{change}</div>
<div
id={id}-percent-container
class='percent-{range} percent-container'>
<div
id={id}-percent
class=percent-range
style=width:{percent}%
></div>
</div>
<div class=remove>✖</div>
</div>
</div>
<!-- LIST OF INSTANCES -->
<div id=oses-lists>
<div class=os-title>Linux/UNIX</div>
<div id=instances-linux-unix><div></div><div id=instances-linux></div></div>
<div class=clear></div>
<div class=os-title>SUSE Linux</div>
<div id=instances-suse-linux><div></div></div>
<div class=clear></div>
<div class=os-title>Windows</div>
<div id=instances-windows><div></div></div>
<div class=clear></div>
</div>
<!-- FOOTER -->
<div id=list-footer><a
href=http://www.pubnub.com/
class=list-footer
target=pubnubwebsite
>Powered by PubNub</a></div>
<div id=pubnub sub-key=e19f2bb0-623a-11df-98a1-fbd39d75aa3f></div>
<script src=http://cdn.pubnub.com/pubnub-3.1.min.js></script>
<script>(function(){
// =======================================================================
// COMMON VARS
// =======================================================================
var p = PUBNUB
, instances = {
'windows' : p.$('instances-windows'),
'linux' : p.$('instances-linux'),
'linux-unix' : p.$('instances-linux-unix'),
'suse-linux' : p.$('instances-suse-linux')
}
, instance_template = p.$('instance-template').innerHTML
, rx_space = /[ \/]/g
, ranges = ['low', 'avg', 'high', 'high'];
// =======================================================================
// ADD UPDATE INSTANCE
// =======================================================================
function add_update_instance(details) {
var inst_id = (details.type + '-' + details.platform)
.replace( rx_space, '-' ).toLowerCase()
, type = details.platform
.replace( rx_space, '-' ).toLowerCase()
, exists = p.$(inst_id)
, percent = Math.abs(details.price - details.avg.low /
details.avg.high - details.avg.low)
, instance = exists && exists.parentNode || p.create('div');
instance.innerHTML = p.supplant( instance_template, {
id : inst_id,
type : details.type.toUpperCase(),
platform : details.platform,
range : ' ',
range_name : ' ',
price : '$' + details.price,
direction : 'flat',
change : '--',
percent : (instance.last_percent || percent) * 100
} );
// -----------
// Display New
// -----------
if (!exists && type in instances) {
instance.last_price = details.price;
instance.last_percent = percent;
instances[type].appendChild(
instance
);
return;
}
// ---------
// Do Update
// ---------
var diff = instance.last_price - details.price
, rng = ranges[Math.floor(percent * 3)]
, change = p.$(inst_id + '-change')
, range_name = p.$(inst_id + '-range')
, bar = p.$(inst_id + '-percent')
, insta = p.$(inst_id)
, bar_conta = p.$(inst_id + '-percent-container')
, direction = diff > 0 ? 'up' : 'down';
// Difference Box
p.attr( change, 'class', direction + ' price-change' );
change.innerHTML = (''+diff).slice( 0, 6 ) +
(diff > 0 ? '↑' : '↓');
// Percent Bar
p.css( bar, { width : (percent * 100) + '%' } );
p.attr(
bar_conta,
'class',
'percent-' + rng + ' percent-container'
);
// Price Indicator
range_name.innerHTML = rng.toUpperCase();
p.attr( range_name, 'class', rng + ' price-range' );
// Show Highlighting
p.css( insta, { backgroundColor : diff > 0 ? '#b22' : '#2a2' } );
setTimeout( function() {
p.css( insta, { backgroundColor : '#778' } );
}, 5000 );
// Save History for Next Update
exists.last_price = details.price;
instance.last_percent = percent;
}
// =======================================================================
// REMOVE BUTTON
// =======================================================================
p.bind( 'click', p.$('oses-lists'), function(e) {
var target = e.target || e.srcElement || {};
if (p.attr( target, 'class' ) !== 'remove') return;
p.css( target.parentNode, {
overflow : 'hidden',
width : 1,
height : 1
} );
setTimeout( function() {
p.css( target.parentNode.parentNode, { display : 'none' } );
}, 600 );
return true;
} );
// =======================================================================
// RECEIVE UPDATES
// =======================================================================
p.subscribe({
channel : 'ec2-spot-price-history',
callback : add_update_instance
});
// =======================================================================
// HISTORY
// =======================================================================
p.history({
channel : 'ec2-spot-price-history',
limit : 72,
callback : function(updates) {
updates = updates.sort(function(a,b){ return a.price - b.price });
p.each( updates, add_update_instance );
}
});
})();</script>
<script>var _gaq=_gaq||[];_gaq.push(['_setAccount','UA-16927549-1']);_gaq.push(['_trackPageview']);(function(){var ga=document.createElement('script');ga.type='text/javascript';ga.async=true;ga.src='http://www.google-analytics.com/ga.js';var s=document.getElementsByTagName('script')[0];s.parentNode.insertBefore(ga,s);})()</script>
</body>
</html>