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serments / metrics models refactoring

pull/1/head
Alexey Velikiy 6 years ago
parent
8a49e2dba2
commit
dc6c120261
8 changed files with 142 additions and 189 deletions
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  1. 139
      server/src/controllers/analytics_controller.ts
  2. 21
      server/src/models/analytic_unit_model.ts
  3. 35
      server/src/models/metric_model.ts
  4. 78
      server/src/models/segment_model.ts
  5. 3
      server/src/models/task_model.ts
  6. 11
      server/src/routes/analytic_units_router.ts
  7. 26
      server/src/routes/segments_router.ts
  8. 18
      server/src/services/data_service.ts

139
server/src/controllers/analytics_controller.ts
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@ -30,15 +30,6 @@ async function onMessage(message: AnalyticsMessage) {
resolvedMethod = true; resolvedMethod = true;
} }
if(message.method === 'FILE_SAVE') {
responsePayload = await onFileSave(message.payload);
resolvedMethod = true;
}
if(message.method === 'FILE_LOAD') {
responsePayload = await onFileLoad(message.payload);
resolvedMethod = true;
}
if(!resolvedMethod) { if(!resolvedMethod) {
throw new TypeError('Unknown method ' + message.method); throw new TypeError('Unknown method ' + message.method);
} }
@ -59,72 +50,72 @@ export function terminate() {
} }
async function runTask(task): Promise<any> { async function runTask(task): Promise<any> {
let anomaly: AnalyticUnit.AnalyticUnit = await AnalyticUnit.findById(task.analyticUnitId); // let anomaly: AnalyticUnit.AnalyticUnit = await AnalyticUnit.findById(task.analyticUnitId);
task.metric = { // task.metric = {
datasource: anomaly.metric.datasource, // datasource: anomaly.metric.datasource,
targets: anomaly.metric.targets.map(getTarget) // targets: anomaly.metric.targets.map(getTarget)
}; // };
task._taskId = nextTaskId++; // task._taskId = nextTaskId++;
await analyticsService.sendTask(task); // await analyticsService.sendTask(task);
return new Promise<void>(resolve => { // return new Promise<void>(resolve => {
taskMap[task._taskId] = resolve; // taskMap[task._taskId] = resolve;
}) // })
} }
export async function runLearning(id: AnalyticUnit.AnalyticUnitId) { export async function runLearning(id: AnalyticUnit.AnalyticUnitId) {
let segments = getLabeledSegments(id); // let segments = getLabeledSegments(id);
AnalyticUnit.setStatus(id, 'LEARNING'); // AnalyticUnit.setStatus(id, 'LEARNING');
let unit = await AnalyticUnit.findById(id); // let unit = await AnalyticUnit.findById(id);
let pattern = unit.type; // let pattern = unit.type;
let task = { // let task = {
analyticUnitId: id, // analyticUnitId: id,
type: 'LEARN', // type: 'LEARN',
pattern, // pattern,
segments: segments // segments: segments
}; // };
let result = await runTask(task); // let result = await runTask(task);
if (result.status === 'SUCCESS') { // if (result.status === 'SUCCESS') {
AnalyticUnit.setStatus(id, 'READY'); // AnalyticUnit.setStatus(id, 'READY');
insertSegments(id, result.segments, false); // insertSegments(id, result.segments, false);
AnalyticUnit.setPredictionTime(id, result.lastPredictionTime); // AnalyticUnit.setPredictionTime(id, result.lastPredictionTime);
} else { // } else {
AnalyticUnit.setStatus(id, 'FAILED', result.error); // AnalyticUnit.setStatus(id, 'FAILED', result.error);
} // }
} }
export async function runPredict(id: AnalyticUnit.AnalyticUnitId) { export async function runPredict(id: AnalyticUnit.AnalyticUnitId) {
let unit = await AnalyticUnit.findById(id); // let unit = await AnalyticUnit.findById(id);
let pattern = unit.type; // let pattern = unit.type;
let task = { // let task = {
type: 'PREDICT', // type: 'PREDICT',
analyticUnitId: id, // analyticUnitId: id,
pattern, // pattern,
lastPredictionTime: unit.lastPredictionTime // lastPredictionTime: unit.lastPredictionTime
}; // };
let result = await runTask(task); // let result = await runTask(task);
if(result.status === 'FAILED') { // if(result.status === 'FAILED') {
return []; // return [];
} // }
// Merging segments // // Merging segments
let segments = getLabeledSegments(id); // let segments = getLabeledSegments(id);
if(segments.length > 0 && result.segments.length > 0) { // if(segments.length > 0 && result.segments.length > 0) {
let lastOldSegment = segments[segments.length - 1]; // let lastOldSegment = segments[segments.length - 1];
let firstNewSegment = result.segments[0]; // let firstNewSegment = result.segments[0];
if(firstNewSegment.start <= lastOldSegment.finish) { // if(firstNewSegment.start <= lastOldSegment.finish) {
result.segments[0].start = lastOldSegment.start; // result.segments[0].start = lastOldSegment.start;
removeSegments(id, [lastOldSegment.id]); // removeSegments(id, [lastOldSegment.id]);
} // }
} // }
insertSegments(id, result.segments, false); // insertSegments(id, result.segments, false);
AnalyticUnit.setPredictionTime(id, result.lastPredictionTime); // AnalyticUnit.setPredictionTime(id, result.lastPredictionTime);
return result.segments; // return result.segments;
} }
export function isAnalyticReady(): boolean { export function isAnalyticReady(): boolean {
@ -132,12 +123,8 @@ export function isAnalyticReady(): boolean {
} }
export async function createAnalyticUnitFromObject(obj: any): Promise<AnalyticUnit.AnalyticUnitId> { export async function createAnalyticUnitFromObject(obj: any): Promise<AnalyticUnit.AnalyticUnitId> {
let unit: AnalyticUnit.AnalyticUnit = AnalyticUnit.analyticUnitFromObj(obj);
AnalyticUnit.create(unit);
// runLearning(unit);
runLearning(newId);
return return
} }

21
server/src/models/analytic_unit_model.ts
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@ -1,11 +1,10 @@
import { Metric, metricFromObj } from './metric_model'; import { Metric } from './metric_model';
import { Collection, makeDBQ } from '../services/data_service'; import { Collection, makeDBQ } from '../services/data_service';
let db = makeDBQ(Collection.ANALYTIC_UNITS); let db = makeDBQ(Collection.ANALYTIC_UNITS);
export type AnalyticUnitId = string; export type AnalyticUnitId = string;
export type AnalyticUnit = { export type AnalyticUnit = {
@ -16,11 +15,9 @@ export type AnalyticUnit = {
metric: Metric metric: Metric
status: string, status: string,
error?: string, error?: string,
lastPredictionTime: number, lastPredictionTime: number
nextId: number
} }
export function analyticUnitFromObj(obj: any): AnalyticUnit { export function analyticUnitFromObj(obj: any): AnalyticUnit {
if(obj === undefined) { if(obj === undefined) {
throw new Error('obj is undefined'); throw new Error('obj is undefined');
@ -48,11 +45,9 @@ export function analyticUnitFromObj(obj: any): AnalyticUnit {
name: obj.name, name: obj.name,
panelUrl: obj.panelUrl, panelUrl: obj.panelUrl,
type: obj.type, type: obj.type,
datasource: obj.datasource, metric: obj.metric,
metric: metric,
status: 'LEARNING', status: 'LEARNING',
lastPredictionTime: 0, lastPredictionTime: 0
nextId: 0
}; };
return unit; return unit;
@ -62,8 +57,14 @@ export async function findById(id: AnalyticUnitId): Promise<AnalyticUnit> {
return db.findOne(id); return db.findOne(id);
} }
/**
* Creates and updates new unit.id
*
* @param unit to create
* @returns unit.id
*/
export async function create(unit: AnalyticUnit): Promise<AnalyticUnitId> { export async function create(unit: AnalyticUnit): Promise<AnalyticUnitId> {
return db.insert(unit); return unit.id = await db.insert(unit);
} }
export async function remove(id: AnalyticUnitId): Promise<void> { export async function remove(id: AnalyticUnitId): Promise<void> {

35
server/src/models/metric_model.ts
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@ -12,38 +12,35 @@ export type Datasource = {
url: string url: string
} }
export type MetricId = string;
export type Metric = { export type Metric = {
id?: MetricId,
datasource: Datasource, datasource: Datasource,
targets: string[] targets: string[]
} }
export function metricFromObj(obj: any): Metric { export function metricFromObj(obj: any): Metric {
const metric: Metric = { return {
datasource: obj.datasource, datasource: obj.datasource,
targets: obj.targets; targets: obj.targets
}; };
return metric;
} }
export async function saveTargets(targets: string[]) { // export async function saveTargets(targets: string[]) {
let metrics = []; // let metrics = [];
for (let target of targets) { // for (let target of targets) {
metrics.push(saveTarget(target)); // metrics.push(create(target));
} // }
return metrics; // return metrics;
} // }
export async function saveTarget(target: string) { export async function create(metric: Metric): Promise<MetricId> {
//const md5 = crypto.createHash('md5') return metric.id = await db.insert(metric);
const targetId = crypto.createHash('md5').update(JSON.stringify(target)).digest('hex');
let filename = path.join(METRICS_PATH, `${targetId}.json`);
writeJsonDataSync(filename, target);
return targetId;
} }
export async function getTarget(targetId) { export async function findMetric(id: MetricId): Promise<Metric> {
let filename = path.join(METRICS_PATH, `${targetId}.json`); return db.findOne(id);
return getJsonDataSync(filename);
} }

78
server/src/models/segment_model.ts
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@ -1,76 +1,36 @@
import * as AnalyticUnit from './analytic_unit_model'; import { AnalyticUnitId } from './analytic_unit_model';
import { Collection, makeDBQ } from '../services/data_service';
import * as _ from 'lodash';
import * as path from 'path';
import * as fs from 'fs';
import * as _ from 'lodash';
export function getLabeledSegments(id: AnalyticUnit.AnalyticUnitId) { type SegmentId = string;
let filename = path.join(SEGMENTS_PATH, `${id}_labeled.json`);
if(!fs.existsSync(filename)) { type Segment = {
return []; id?: SegmentId,
} else { from: number,
let segments = getJsonDataSync(filename); to: number,
for(let segment of segments) { labeled: boolean
if(segment.labeled === undefined) {
segment.labeled = false;
}
}
return segments;
}
} }
export function getPredictedSegments(id: AnalyticUnit.AnalyticUnitId) { let db = makeDBQ(Collection.SEGMENTS);
let filename = path.join(SEGMENTS_PATH, `${id}_segments.json`);
let jsonData; export function getLabeledSegments(id: AnalyticUnitId) {
try { return
jsonData = getJsonDataSync(filename);
} catch(e) {
console.error(e.message);
jsonData = [];
}
return jsonData;
} }
export function saveSegments(id: AnalyticUnit.AnalyticUnitId, segments) { export function getPredictedSegments(id: AnalyticUnitId) {
let filename = path.join(SEGMENTS_PATH, `${id}_labeled.json`);
try {
return writeJsonDataSync(filename, _.uniqBy(segments, 'start'));
} catch(e) {
console.error(e.message);
throw new Error('Can`t write to db');
}
} }
export async function insertSegments(id: AnalyticUnit.AnalyticUnitId, addedSegments, labeled: boolean) { export function saveSegments(id: AnalyticUnitId, segments: Segment[]) {
// Set status
let info = await AnalyticUnit.findById(id); }
let segments = getLabeledSegments(id);
let nextId = info.nextId; export async function insertSegments(id: AnalyticUnitId, addedSegments: Segment[], labeled: boolean) {
let addedIds = []
for (let segment of addedSegments) {
segment.id = nextId;
segment.labeled = labeled;
addedIds.push(nextId);
nextId++;
segments.push(segment);
}
info.nextId = nextId;
saveSegments(id, segments);
await AnalyticUnit.update(id, info);
return addedIds;
} }
export function removeSegments(id: AnalyticUnit.AnalyticUnitId, removedSegments) { export function removeSegments(idsToRemove: SegmentId[]) {
let segments = getLabeledSegments(id);
for (let segmentId of removedSegments) {
segments = segments.filter(el => el.id !== segmentId);
}
saveSegments(id, segments);
} }

3
server/src/models/task_model.ts
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@ -0,0 +1,3 @@
class Task {
}

11
server/src/routes/analytic_units_router.ts
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@ -12,7 +12,6 @@ async function sendStatus(ctx: Router.IRouterContext) {
throw new Error('Id is undefined'); throw new Error('Id is undefined');
} }
let unit = await AnalyticUnit.findById(id); let unit = await AnalyticUnit.findById(id);
if(unit.status === undefined) { if(unit.status === undefined) {
throw new Error('status is undefined'); throw new Error('status is undefined');
} }
@ -52,16 +51,8 @@ async function findItem(ctx: Router.IRouterContext) {
async function createItem(ctx: Router.IRouterContext) { async function createItem(ctx: Router.IRouterContext) {
try { try {
let newId = await createAnalyticUnitFromObject(ctx.request.body);
let body = ctx.request.body;
await createAnalyticUnitFromObject(body);
let newId = await AnalyticUnit.create(unit);
ctx.response.body = { id: newId }; ctx.response.body = { id: newId };
} catch(e) { } catch(e) {
ctx.response.status = 500; ctx.response.status = 500;
ctx.response.body = { ctx.response.body = {

26
server/src/routes/segments_router.ts
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@ -17,21 +17,21 @@ async function sendSegments(ctx: Router.IRouterContext) {
let timeFrom = ctx.request.query.from; let timeFrom = ctx.request.query.from;
let timeTo = ctx.request.query.to; let timeTo = ctx.request.query.to;
let segments = getLabeledSegments(id); let segments = await getLabeledSegments(id);
// Id filtering // // Id filtering
if(lastSegmentId !== undefined) { // if(lastSegmentId !== undefined) {
segments = segments.filter(el => el.id > lastSegmentId); // segments = segments.filter(el => el.id > lastSegmentId);
} // }
// Time filtering // // Time filtering
if(timeFrom !== undefined) { // if(timeFrom !== undefined) {
segments = segments.filter(el => el.finish > timeFrom); // segments = segments.filter(el => el.finish > timeFrom);
} // }
if(timeTo !== undefined) { // if(timeTo !== undefined) {
segments = segments.filter(el => el.start < timeTo); // segments = segments.filter(el => el.start < timeTo);
} // }
ctx.response.body = { segments } ctx.response.body = { segments }
@ -42,7 +42,7 @@ async function updateSegments(ctx: Router.IRouterContext) {
let segmentsUpdate = ctx.request.body; let segmentsUpdate = ctx.request.body;
let id = segmentsUpdate.id; let id = segmentsUpdate.id;
let addedIds = insertSegments(id, segmentsUpdate.addedSegments, true); let addedIds = insertSegments(id, segmentsUpdate.addedSegments, true);
removeSegments(id, segmentsUpdate.removedSegments); // removeSegments(id, segmentsUpdate.removedSegments);
ctx.response.body = { addedIds }; ctx.response.body = { addedIds };
runLearning(id); runLearning(id);
} catch(e) { } catch(e) {

18
server/src/services/data_service.ts
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@ -14,6 +14,7 @@ export enum Collection { ANALYTIC_UNITS, METRICS, SEGMENTS };
*/ */
export type DBQ = { export type DBQ = {
insert: (document: object) => string, insert: (document: object) => string,
insertMany: (documents: object[]) => string[],
update: (query: string | object, updateQuery: any) => void, update: (query: string | object, updateQuery: any) => void,
findOne: (query: string | object) => any, findOne: (query: string | object) => any,
remove: (query: string | object) => number remove: (query: string | object) => number
@ -22,6 +23,7 @@ export type DBQ = {
export function makeDBQ(collection: Collection): DBQ { export function makeDBQ(collection: Collection): DBQ {
return { return {
insert: dbInsert.bind(null, collection), insert: dbInsert.bind(null, collection),
insertMany: dbInsertMany.bind(null, collection),
update: dbUpdate.bind(null, collection), update: dbUpdate.bind(null, collection),
findOne: dbFindOne.bind(null, collection), findOne: dbFindOne.bind(null, collection),
remove: dbRemove.bind(null, collection) remove: dbRemove.bind(null, collection)
@ -49,6 +51,18 @@ let dbInsert = (collection: Collection, doc: object) => {
}); });
} }
let dbInsertMany = (collection: Collection, docs: object[]) => {
return new Promise<string[]>((resolve, reject) => {
db[collection].insert(docs, (err, newDocs: any[]) => {
if(err) {
reject(err);
} else {
resolve(newDocs.map(d => d._id));
}
});
});
}
let dbUpdate = (collection: Collection, query: string | object, updateQuery: object) => { let dbUpdate = (collection: Collection, query: string | object, updateQuery: object) => {
query = wrapIdToQuery(query); query = wrapIdToQuery(query);
return new Promise<void>((resolve, reject) => { return new Promise<void>((resolve, reject) => {
@ -88,7 +102,7 @@ let dbRemove = (collection: Collection, query: string | object) => {
}); });
} }
function maybeCreate(path: string): void { function maybeCreateDir(path: string): void {
if(fs.existsSync(path)) { if(fs.existsSync(path)) {
return; return;
} }
@ -100,7 +114,7 @@ function checkDataFolders(): void {
[ [
config.DATA_PATH, config.DATA_PATH,
config.ZMQ_IPC_PATH config.ZMQ_IPC_PATH
].forEach(maybeCreate); ].forEach(maybeCreateDir);
} }
checkDataFolders(); checkDataFolders();

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