mirror of
https://github.com/yldio/copilot.git
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8295bd6882
this shall be a progressive process
125 lines
2.7 KiB
JavaScript
125 lines
2.7 KiB
JavaScript
'use strict';
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const CMonClient = require('cmon-client');
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const PortalData = require('portal-data');
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const VAsync = require('vasync');
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module.exports = class {
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constructor (options) {
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options = options || {};
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this._settings = options;
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this._data = new PortalData(options.data);
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this._cmon = new CMonClient(options.cmon);
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this._deployments = {};
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}
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start (cb) {
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this._data.connect((err) => {
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if (err) {
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return cb(err);
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}
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this._poll();
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this._data.deploymentChanges((err, changes) => {
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if (err) {
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console.error(err);
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}
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if (changes) {
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this._refreshContainers(changes.id);
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}
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});
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});
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}
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_refreshContainers (deploymentId) {
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this._data.getServices(deploymentId).then((services) => {
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this._deployments[deploymentId] = services[0].containers;
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});
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}
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_listContainers () {
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let containers = [];
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const deploymentIds = Object.keys(this._deployments);
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deploymentIds.forEach((deploymentId) => {
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containers = containers.concat(this._deployments[deploymentId]);
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});
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return containers;
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}
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_poll () {
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if (this._isPolling) {
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return;
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}
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const finish = () => {
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this._isPolling = false;
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setTimeout(() => { this._poll(); }, this._settings.frequency || 5000);
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};
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const containers = this._listContainers();
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if (!containers || !containers.length) {
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return finish();
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}
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this._isPolling = true;
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VAsync.forEachParallel({
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func: (containerId, next) => {
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this._cmon.metrics(containerId, (err, metrics) => {
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if (err) {
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return next(err);
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}
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next(null, { containerId, metrics });
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});
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},
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inputs: containers
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}, (err, results) => {
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if (err) {
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console.error(err);
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return finish();
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}
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if (!results.successes || !results.successes.length) {
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return finish();
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}
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this._saveMetrics(results.successes, finish);
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});
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}
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_saveMetrics (successes, cb) {
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const metricOperations = successes.map((success) => {
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const metrics = this._formatMetrics(success);
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return this._data.insertMetrics(success.containerId, metrics);
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});
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Promise.all(metricOperations).then(() => {
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cb();
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}).catch((err) => {
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cb(err);
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});
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}
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_formatMetrics (success) {
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const time = success.metrics.find((metric) => {
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if (metric.name === 'time_of_day') {
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return metric;
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}
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});
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const formatted = success.metrics.map((metric) => {
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return {
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name: metric.name,
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value: metric.metrics[0].value,
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time: time.metrics[0].value
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};
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});
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return formatted;
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}
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};
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