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Add UI warning for time drift >30 seconds (#3276)

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* Add UI warning for time drift >30 seconds

* Yellow time drift warning & better warning message

* Set warning threshold to 30 sec

* Include changed assets
This commit is contained in:
BasPH 2017-10-11 15:11:04 +02:00 committed by Fabian Reinartz
parent ea879df6aa
commit a91d3bcb83
2 changed files with 73 additions and 43 deletions
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86
web/ui/bindata.go
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File diff suppressed because one or more lines are too long

30
web/ui/static/js/graph.js
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@ -182,6 +182,7 @@ Prometheus.Graph.prototype.initialize = function() {
return false;
});
self.checkTimeDrift();
self.populateInsertableMetrics();
if (self.expr.val()) {
@ -189,6 +190,35 @@ Prometheus.Graph.prototype.initialize = function() {
}
};
Prometheus.Graph.prototype.checkTimeDrift = function() {
var self = this;
var browserTime = new Date().getTime() / 1000;
$.ajax({
method: "GET",
url: PATH_PREFIX + "/api/v1/query?query=time()",
dataType: "json",
success: function(json, textStatus) {
if (json.status !== "success") {
self.showError("Error querying time.");
return;
}
var serverTime = json.data.result[0];
var diff = Math.abs(browserTime - serverTime);
if (diff >= 30) {
$("#graph_wrapper0").prepend(
"<div class=\"alert alert-warning\"><strong>Warning!</strong> Detected " +
diff.toFixed(2) +
" seconds time difference between your browser and the server. Prometheus relies on accurate time and time drift might cause unexpected query results.</div>"
);
}
},
error: function() {
self.showError("Error loading time.");
}
});
};
Prometheus.Graph.prototype.populateInsertableMetrics = function() {
var self = this;
$.ajax({