mirror of https://github.com/grafana/grafana.git
47 lines
1.5 KiB
TypeScript
47 lines
1.5 KiB
TypeScript
import { DataFrame } from '@grafana/data';
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import { GrafanaAlertState, isGrafanaAlertState, Labels } from '../../../../../types/unified-alerting-dto';
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interface AlertPreviewInstance {
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state: GrafanaAlertState;
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info?: string;
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labels: Labels;
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}
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interface AlertPreview {
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instances: AlertPreviewInstance[];
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}
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// Alerts previews come in a DataFrame format which is more suited for displaying time series data
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// In order to display a list of tags we need to transform DataFrame into set of labels
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export function mapDataFrameToAlertPreview({ fields }: DataFrame): AlertPreview {
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const labelFields = fields.filter((field) => !['State', 'Info'].includes(field.name));
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const stateFieldIndex = fields.findIndex((field) => field.name === 'State');
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const infoFieldIndex = fields.findIndex((field) => field.name === 'Info');
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const labelIndexes = labelFields.map((labelField) => fields.indexOf(labelField));
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const instanceStatusCount = fields[stateFieldIndex]?.values.length ?? 0;
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const instances: AlertPreviewInstance[] = [];
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for (let index = 0; index < instanceStatusCount; index++) {
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const labelValues = labelIndexes.map((labelIndex) => [
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fields[labelIndex].name,
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fields[labelIndex].values.get(index),
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]);
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const state = fields[stateFieldIndex]?.values?.get(index);
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const info = fields[infoFieldIndex]?.values?.get(index);
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if (isGrafanaAlertState(state)) {
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instances.push({
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state: state,
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info: info,
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labels: Object.fromEntries(labelValues),
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});
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}
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}
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return { instances };
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}
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