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97 lines
2.6 KiB
97 lines
2.6 KiB
import { |
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Anomaly, |
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AnomalyId, getAnomalyTypeInfo, |
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loadAnomalyById, |
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setAnomalyPredictionTime, |
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setAnomalyStatus |
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} from './anomalyType' |
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import { getTarget } from './metrics'; |
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import { getLabeledSegments, insertSegments, removeSegments } from './segments' |
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import { AnalyticsConnection } from './analyticsConnection' |
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const taskMap = {}; |
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let nextTaskId = 0; |
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const analyticsConnection = new AnalyticsConnection(onResponse); |
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function onResponse(response: any) { |
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let taskId = response.__task_id; |
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let status = response.status; |
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if(status === 'success' || status === 'failed') { |
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if(taskId in taskMap) { |
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let resolver = taskMap[taskId]; |
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resolver(response); |
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delete taskMap[taskId]; |
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} |
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} |
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} |
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async function runTask(task): Promise<any> { |
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let anomaly: Anomaly = loadAnomalyById(task.anomaly_id); |
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task.metric = { |
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datasource: anomaly.metric.datasource, |
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targets: anomaly.metric.targets.map(t => getTarget(t)) |
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}; |
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task.__task_id = nextTaskId++; |
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await analyticsConnection.sendTask(task); |
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return new Promise<void>(resolve => { |
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taskMap[task.__task_id] = resolve; |
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}) |
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} |
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export async function runLearning(anomalyId:AnomalyId) { |
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let segments = getLabeledSegments(anomalyId); |
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setAnomalyStatus(anomalyId, 'learning'); |
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let anomaly:Anomaly = loadAnomalyById(anomalyId); |
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let pattern = anomaly.pattern; |
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let task = { |
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type: 'learn', |
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anomaly_id: anomalyId, |
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pattern, |
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segments: segments |
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}; |
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let result = await runTask(task); |
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if (result.status === 'success') { |
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setAnomalyStatus(anomalyId, 'ready'); |
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insertSegments(anomalyId, result.segments, false); |
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setAnomalyPredictionTime(anomalyId, result.last_prediction_time); |
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} else { |
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setAnomalyStatus(anomalyId, 'failed', result.error); |
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} |
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} |
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export async function runPredict(anomalyId:AnomalyId) { |
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let anomaly:Anomaly = loadAnomalyById(anomalyId); |
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let pattern = anomaly.pattern; |
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let task = { |
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type: 'predict', |
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anomaly_id: anomalyId, |
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pattern, |
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last_prediction_time: anomaly.last_prediction_time |
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}; |
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let result = await runTask(task); |
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if(result.status === 'failed') { |
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return []; |
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} |
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// Merging segments |
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let segments = getLabeledSegments(anomalyId); |
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if(segments.length > 0 && result.segments.length > 0) { |
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let lastOldSegment = segments[segments.length - 1]; |
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let firstNewSegment = result.segments[0]; |
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if(firstNewSegment.start <= lastOldSegment.finish) { |
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result.segments[0].start = lastOldSegment.start; |
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removeSegments(anomalyId, [lastOldSegment.id]); |
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} |
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} |
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insertSegments(anomalyId, result.segments, false); |
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setAnomalyPredictionTime(anomalyId, result.last_prediction_time); |
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return result.segments; |
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} |