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import { secondsIn, timeWindowsKeyNames } from './constants';
export const getTimeDiff = timeWindow => {
const end = Math.floor(Date.now() / 1000); // convert milliseconds to seconds
const difference = secondsIn[timeWindow] || secondsIn.eightHours;
const start = end - difference;
return {
start: new Date(start * 1000).toISOString(),
end: new Date(end * 1000).toISOString(),
};
};
export const getTimeWindow = ({ start, end }) =>
Object.entries(secondsIn).reduce((acc, [timeRange, value]) => {
if (end - start === value) {
return timeRange;
}
return acc;
}, timeWindowsKeyNames.eightHours);
/**
* This method is used to validate if the graph data format for a chart component
* that needs a time series as a response from a prometheus query (query_range) is
* of a valid format or not.
* @param {Object} graphData the graph data response from a prometheus request
* @returns {boolean} whether the graphData format is correct
*/
export const graphDataValidatorForValues = (isValues, graphData) => {
const responseValueKeyName = isValues ? 'value' : 'values';
return (
Array.isArray(graphData.queries) &&
graphData.queries.filter(query => {
if (Array.isArray(query.result)) {
return (
query.result.filter(res => Array.isArray(res[responseValueKeyName])).length ===
query.result.length
);
}
return false;
}).length === graphData.queries.length
);
};
export default {};
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