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Add in-flight identifier for Prometheus requests

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Repeat Prometheus requests with the same query
will cancel preceding requests.
This commit is contained in:
stuart nelson 2016-06-08 18:05:46 +02:00
parent 6da7ed9706
commit 18f9f6c159
1 changed files with 4 additions and 3 deletions
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7
public/app/plugins/datasource/prometheus/datasource.ts
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@ -21,10 +21,11 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
this.withCredentials = instanceSettings.withCredentials; this.withCredentials = instanceSettings.withCredentials;
this.lastErrors = {}; this.lastErrors = {};
this._request = function(method, url) { this._request = function(method, url, cacheKey) {
var options: any = { var options: any = {
url: this.url + url, url: this.url + url,
method: method method: method,
cacheKey: cacheKey
}; };
if (this.basicAuth || this.withCredentials) { if (this.basicAuth || this.withCredentials) {
@ -122,7 +123,7 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
this.performTimeSeriesQuery = function(query, start, end) { this.performTimeSeriesQuery = function(query, start, end) {
var url = '/api/v1/query_range?query=' + encodeURIComponent(query.expr) + '&start=' + start + '&end=' + end + '&step=' + query.step; var url = '/api/v1/query_range?query=' + encodeURIComponent(query.expr) + '&start=' + start + '&end=' + end + '&step=' + query.step;
return this._request('GET', url); return this._request('GET', url, query.expr.toString());
}; };
this.performSuggestQuery = function(query) { this.performSuggestQuery = function(query) {