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Ensure that step is in milliseconds in console graphs. (#7773) 

Further precision is truncated by the Prometheus API, so the
steps don't end up quite aligning subsequently.

Fixes #7711

Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>
This commit is contained in:
Brian Brazil 2020-08-11 12:33:40 +01:00 committed by GitHub
parent 20ab94fedf
commit ce838ad6fc
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1 changed files with 2 additions and 3 deletions
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5
web/ui/static/js/prom_console.js
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@ -3,7 +3,6 @@
* as graphs.
*
*/
PromConsole = {};
PromConsole.NumberFormatter = {};
@ -474,7 +473,7 @@ PromConsole.Graph.prototype._render = function(data) {
var newSeries = [];
var pos = 0;
var start = self.params.endTime - self.params.duration;
var step = self.params.duration / this.graphTd.offsetWidth;
var step = Math.floor(self.params.duration / this.graphTd.offsetWidth * 1000) / 1000;
for (var t = start; t <= self.params.endTime; t += step) {
// Allow for floating point inaccuracy.
if (series[seriesLen].data.length > pos && series[seriesLen].data[pos].x < t + step / 100) {
@ -562,7 +561,7 @@ PromConsole.Graph.prototype.buildQueryUrl = function(expr) {
var p = this.params;
return PATH_PREFIX + "/api/v1/query_range?query=" +
encodeURIComponent(expr) +
"&step=" + p.duration / this.graphTd.offsetWidth +
"&step=" + Math.floor(p.duration / this.graphTd.offsetWidth * 1000) / 1000 +
"&start=" + (p.endTime - p.duration) + "&end=" + p.endTime;
};