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| author | Federico Ceratto <federico.ceratto@gmail.com> | 2018-03-27 21:28:21 +0000 |
|---|---|---|
| committer | Federico Ceratto <federico.ceratto@gmail.com> | 2018-03-27 21:28:21 +0000 |
| commit | d4dd00f58a502c9ca4b63e36ce6bc7a9945dc63c (patch) | |
| tree | faac99f51f182bb8c0a03e95e393d421ac9ddf42 /web/refresh-badges.js | |
| parent | New upstream version 1.9.0+dfsg (diff) | |
| download | netdata-d4dd00f58a502c9ca4b63e36ce6bc7a9945dc63c.tar.xz netdata-d4dd00f58a502c9ca4b63e36ce6bc7a9945dc63c.zip | |
New upstream version 1.10.0+dfsgupstream/1.10.0+dfsg
Diffstat (limited to 'web/refresh-badges.js')
| -rw-r--r-- | web/refresh-badges.js | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/web/refresh-badges.js b/web/refresh-badges.js new file mode 100644 index 00000000..27a5fe7b --- /dev/null +++ b/web/refresh-badges.js @@ -0,0 +1,97 @@ +// ---------------------------------------------------------------------------- +// This script periodically updates all the netdata badges you have added to a +// page as images. You don't need this script if you add the badges with +// <embed src="..."/> - embedded badges auto-refresh by themselves. +// +// You can set the following variables before loading this script: + +/*global netdata_update_every *//* number, the time in seconds to update the badges + * (default: 15) */ +/*global netdata_live_callback *//* function, callback to be called on each iteration while updating the badges + * (default: null) */ +/*global netdata_paused_callback *//* function, callback to be called when the update pauses + * (default: null) */ + +/* +// EXAMPLE HTML PAGE: + +<html> +<head> +<script> +// how frequently to update the badges? +var netdata_update_every = 15; + +// show a count-down for badge refreshes +var netdata_live_callback = function(secs, count) { + document.body.style.opacity = 1; + if(count) + document.getElementById("pageliveinfo").innerHTML = "This page is live - updated <b>" + count + "</b> badges..."; + else + document.getElementById("pageliveinfo").innerHTML = "This page is live - badges will be updated in <b>" + secs + "</b> seconds..."; +}; + +// show that we paused refreshes +var netdata_paused_callback = function() { + document.body.style.opacity = 0.5; + document.getElementById("pageliveinfo").innerHTML = "Refresh paused - the page does not have your focus"; +}; +</script> +<script src="https://localhost:19999/refresh-badges.js"></script> + +</head> +<body> +<div id="pageliveinfo">Please wait... loading...</div> +<img src="http://localhost:19999/api/v1/badge.svg?chart=system.cpu"/> +</body> +</html> + +*/ + +if(typeof netdata_update_every === 'undefined') + netdata_update_every = 15; + +var netdata_was_live = false; +var netdata_is_live = true; +var netdata_loops = 0; + +function update_netdata_badges() { + netdata_loops++; + netdata_is_live = false; + + var updated = 0; + var focus = document.hasFocus(); + + if(focus && netdata_loops >= netdata_update_every) { + var len = document.images.length; + while(len--) { + var url = document.images[len].src; + if(url.match(/\api\/v1\/badge\.svg/)) { + if(url.match(/\?/)) + url = url.replace(/&cacheBuster=\d*/, "") + "&cacheBuster=" + new Date().getTime().toString(); + else + url = url.replace(/\?cacheBuster=\d*/, "") + "?cacheBuster=" + new Date().getTime().toString(); + + document.images[len].src = url; + updated++; + } + } + netdata_loops = 0; + } + + if(focus || updated) + netdata_is_live = true; + + try { + if(netdata_is_live && typeof netdata_live_callback === 'function') + netdata_live_callback(netdata_update_every - netdata_loops, updated); + else if(netdata_was_live !== netdata_is_live && typeof netdata_paused_callback === 'function') + netdata_paused_callback(); + } + catch(e) { + console.log(e); + } + netdata_was_live = netdata_is_live; + + setTimeout(update_netdata_badges, 1000); +} +setTimeout(update_netdata_badges, 1000); |