Browse Source
Pass options to chartwerk 2 See merge request chartwerk/grafana-chartwerk-panel!7merge-requests/7/merge
10 changed files with 324 additions and 198 deletions
@ -1,5 +1,5 @@
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import React from 'react'; |
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export function NotSupportedText() { |
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return <div>To be supported soon...</div> |
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return <div>To be supported soon...</div>; |
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} |
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@ -1,69 +1,165 @@
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import { PanelOptions, Aggregation } from 'types'; |
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import { PanelOptions, Aggregation, Threshold, Icon, IconPosition, Condition } from 'types'; |
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import { filterMetricListByAlias, getAggregatedValueFromSerie } from '../utils'; |
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import { getValueFormat } from '@grafana/data'; |
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import _ from 'lodash'; |
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// Convert Grafana options into Chartwerk Gauge options
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export class Options { |
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private minValue: number | undefined; |
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private maxValue: number | undefined; |
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private thresholds: Array<{ value: number; color: string }> = []; |
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private icons: Array<{ src: string; position: string; size: number }> = []; |
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constructor(private grafanaSeriesList: any[], private grafanaOptions: PanelOptions) { |
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this._setMin(); |
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this._setMax(); |
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this._setThresholds(); |
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this._setIcons(); |
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} |
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private _setMin(): any { |
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if (!this.grafanaOptions.gauge.min.metricName) { |
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private _setMin(): void { |
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if (!this.grafanaOptions.gauge.min.useMetric) { |
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this.minValue = this.grafanaOptions.gauge.min.value; |
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return; |
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} |
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const filteredSeries = filterMetricListByAlias( |
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this.grafanaSeriesList, |
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this.grafanaOptions.gauge.min.metricName, |
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'Min' |
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); |
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const serie = filteredSeries[0]; |
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// Last value for now
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const aggregatedValue = getAggregatedValueFromSerie(serie, Aggregation.LAST); |
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const aggregatedValue = this.getLastValueFromMetrics(this.grafanaOptions.gauge.min.metricName, 'Min'); |
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this.minValue = aggregatedValue ? aggregatedValue : undefined; |
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} |
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private _setMax(): any { |
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if (!this.grafanaOptions.gauge.max.metricName) { |
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private _setMax(): void { |
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if (!this.grafanaOptions.gauge.max.useMetric) { |
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this.maxValue = this.grafanaOptions.gauge.max.value; |
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return; |
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} |
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const filteredSeries = filterMetricListByAlias( |
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this.grafanaSeriesList, |
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this.grafanaOptions.gauge.max.metricName, |
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'Max' |
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); |
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const serie = filteredSeries[0]; |
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// Last value for now
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const aggregatedValue = getAggregatedValueFromSerie(serie, Aggregation.LAST); |
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const aggregatedValue = this.getLastValueFromMetrics(this.grafanaOptions.gauge.max.metricName, 'Max'); |
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this.maxValue = aggregatedValue ? aggregatedValue : undefined; |
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} |
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private _setThresholds(): void { |
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if (_.isEmpty(this.grafanaOptions.gauge.thresholds.thresholds)) { |
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return; |
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} |
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for (let [idx, threshold] of this.grafanaOptions.gauge.thresholds.thresholds.entries()) { |
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this._setThreshold(threshold, idx); |
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} |
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} |
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private _setThreshold(threshold: Threshold, idx: number): void { |
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const value = threshold.useMetric |
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? this.getLastValueFromMetrics(threshold.metricName, `Threshold ${idx + 1}`) |
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: threshold.value; |
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if (value === null || value === undefined) { |
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// TODO: may be throw an error
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return; |
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} |
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this.thresholds.push({ |
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value, |
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color: threshold.color, |
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}); |
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} |
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private _valueFormatter(value: number): string { |
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const suffix = getValueFormat(this.grafanaOptions.gauge.unit)(0)?.suffix || ''; |
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const decimals = _.isNumber(this.grafanaOptions.gauge.decimals) ? this.grafanaOptions.gauge.decimals : 2; |
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return `${value.toFixed(decimals)} ${suffix}`; |
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} |
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private _setIcons(): void { |
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if (_.isEmpty(this.grafanaOptions.gauge.icons)) { |
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return; |
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} |
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for (let [idx, icon] of this.grafanaOptions.gauge.icons.entries()) { |
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this._setIcon(icon, idx); |
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} |
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} |
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private _setIcon(icon: Icon, idx: number): void { |
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if (!this._areIconConditionsFulfilled(icon, idx)) { |
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return; |
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} |
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this.icons.push({ |
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src: icon.url, |
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size: icon.size, |
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position: this._getChartwerkIconPosition(icon.position), |
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}); |
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} |
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private _areIconConditionsFulfilled(icon: Icon, iconIdx: number): boolean { |
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if (_.isEmpty(icon.metrics)) { |
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return true; |
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} |
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// check each condition and return false if something goes wrong
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for (let [conditionIdx, metric] of icon.metrics.entries()) { |
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const value = this.getLastValueFromMetrics(metric, `Icon ${iconIdx + 1}, Condition ${conditionIdx + 1}`); |
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if (value === null || value === undefined) { |
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// TODO: may be throw an error
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return false; |
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} |
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if (!this.checkIconCondition(value, icon.values[conditionIdx], icon.conditions[conditionIdx])) { |
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return false; |
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} |
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} |
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return true; |
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} |
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private checkIconCondition(metricValue: number, inputValue: number, condition: Condition): boolean { |
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if (inputValue === undefined || inputValue === null) { |
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return true; |
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} |
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switch (condition) { |
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case Condition.EQUAL: |
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return metricValue === inputValue; |
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case Condition.GREATER: |
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return metricValue > inputValue; |
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case Condition.GREATER_OR_EQUAL: |
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return metricValue >= inputValue; |
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case Condition.LESS: |
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return metricValue < inputValue; |
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case Condition.LESS_OR_EQUAL: |
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return metricValue <= inputValue; |
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default: |
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throw new Error(`Unknown condition: ${condition}`); |
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} |
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} |
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private _getChartwerkIconPosition(position: IconPosition): string { |
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// TODO: use chartwerk types
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switch (position) { |
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case IconPosition.MIDDLE: |
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return 'middle'; |
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case IconPosition.UPPER_LEFT: |
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return 'left'; |
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case IconPosition.UPPER_RIGHT: |
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return 'right'; |
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default: |
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throw new Error(`Unknown Icon Position ${position}`); |
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} |
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} |
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getChartwerkOptions(): any { |
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console.log('opt', this.maxValue, this.minValue); |
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return { |
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maxValue: this.maxValue, |
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minValue: this.minValue, |
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valueFormatter: (val: any) => val.toFixed(2), |
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defaultColor: 'green', |
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valueFormatter: (val: number) => this._valueFormatter(val), |
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defaultColor: this.grafanaOptions.gauge.thresholds.defaultColor, |
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valueArcBackgroundColor: this.grafanaOptions.gauge.thresholds.arcBackground, |
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reversed: this.grafanaOptions.gauge.reversed, |
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stops: [ |
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{ |
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color: 'green', |
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value: 100, |
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}, |
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{ |
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color: 'orange', |
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value: 140, |
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}, |
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], |
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// @ts-ignore
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icons: [{ src: 'https://cityhost.ua/upload_img/blog5ef308ea5529c_trash2-01.jpg', position: 'middle', size: 30 }], |
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stops: this.thresholds, |
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valueFontSize: this.grafanaOptions.gauge.valueSize, |
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icons: this.icons, |
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}; |
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} |
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getLastValueFromMetrics(metricName: string | undefined, optionName: string): number | null { |
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// optionName -> helper in Error, mb use option path instead
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const filteredSeries = filterMetricListByAlias(this.grafanaSeriesList, metricName, optionName); |
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const serie = filteredSeries[0]; |
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// Last value for now
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return getAggregatedValueFromSerie(serie, Aggregation.LAST); |
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} |
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} |
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