@atomist/sdm-pack-aspect
Version:
an Atomist SDM Extension Pack for visualizing drift across an organization
76 lines • 3.38 kB
JavaScript
;
/*
* Copyright © 2019 Atomist, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const _ = require("lodash");
/**
* Retrieve all fingerprints, then compute and store fingerprint_analytics for the whole workspace
*/
function computeAnalytics(persister, workspaceId) {
return __awaiter(this, void 0, void 0, function* () {
const allFingerprints = yield persister.fingerprintsInWorkspace(workspaceId, false);
const fingerprintKinds = yield persister.distinctFingerprintKinds(workspaceId);
const persistThese = fingerprintKinds.map((kind) => {
const fingerprintsOfKind = allFingerprints.filter(f => f.type === kind.type && f.name === kind.name);
const cohortAnalysis = analyzeCohort(fingerprintsOfKind);
return { workspaceId, kind, cohortAnalysis };
});
yield persister.persistAnalytics(persistThese);
});
}
exports.computeAnalytics = computeAnalytics;
/**
* Calculate and persist entropy for one fingerprint kind
*/
function computeAnalyticsForFingerprintKind(persister, workspaceId, type, name) {
return __awaiter(this, void 0, void 0, function* () {
const fingerprints = yield persister.fingerprintsInWorkspace(workspaceId, false, type, name);
if (fingerprints.length === 0) {
return;
}
const cohortAnalysis = analyzeCohort(fingerprints);
yield persister.persistAnalytics([{ workspaceId, kind: { type, name }, cohortAnalysis }]);
});
}
exports.computeAnalyticsForFingerprintKind = computeAnalyticsForFingerprintKind;
/**
* Analyze a cohort of the same kind of fingerprints
*/
function analyzeCohort(fps) {
const groups = _.groupBy(fps, fp => fp.sha);
const count = fps.length;
const entropy = -1 * Object.values(groups).reduce((agg, fp) => {
const p = fp.length / count;
return agg + p * Math.log(p);
}, 0);
return {
entropy,
variants: Object.values(groups).length,
count,
compliance: undefined,
};
}
exports.analyzeCohort = analyzeCohort;
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