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Loki: Apply start parameter to speed up test query (#18266)

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David 2019-08-03 16:58:08 +02:00 committed by Torkel Ödegaard
parent 48d436ea6d
commit e8790c32ca
1 changed files with 4 additions and 1 deletions
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5
public/app/plugins/datasource/loki/datasource.ts
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@ -357,7 +357,10 @@ export class LokiDatasource extends DataSourceApi<LokiQuery, LokiOptions> {
};
testDatasource() {
return this._request('/api/prom/label')
// Consider only last 10 minutes otherwise request takes too long
const startMs = Date.now() - 10 * 60 * 1000;
const start = `${startMs}000000`; // API expects nanoseconds
return this._request('/api/prom/label', { start })
.then((res: DataQueryResponse) => {
if (res && res.data && res.data.values && res.data.values.length > 0) {
return { status: 'success', message: 'Data source connected and labels found.' };