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config.ts
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config.ts
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import { DataSourceInstanceSettings, DataSourceJsonData } from '@grafana/data';
import { config } from '@grafana/runtime';
import { isValidPrometheusDuration, parsePrometheusDuration } from './time';
export function getAllDataSources(): Array<DataSourceInstanceSettings<DataSourceJsonData>> {
return Object.values(config.datasources);
}
export function checkEvaluationIntervalGlobalLimit(alertGroupEvaluateEvery?: string) {
// config.unifiedAlerting.minInterval should be Prometheus-compatible duration
// However, Go's gtime library has issues with parsing y,w,d
if (!isValidPrometheusDuration(config.unifiedAlerting.minInterval)) {
return { globalLimit: 0, exceedsLimit: false };
}
const evaluateEveryGlobalLimitMs = parsePrometheusDuration(config.unifiedAlerting.minInterval);
if (!alertGroupEvaluateEvery || !isValidPrometheusDuration(alertGroupEvaluateEvery)) {
return { globalLimit: evaluateEveryGlobalLimitMs, exceedsLimit: false };
}
const evaluateEveryMs = parsePrometheusDuration(alertGroupEvaluateEvery);
const exceedsLimit = evaluateEveryGlobalLimitMs > evaluateEveryMs && evaluateEveryMs > 0;
return { globalLimit: evaluateEveryGlobalLimitMs, exceedsLimit };
}