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Initial control tower impl
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4
control-tower/.gitignore
vendored
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4
control-tower/.gitignore
vendored
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node_modules
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.DS_Store
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npm-debug.log
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.eslintcache
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1
control-tower/README.md
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1
control-tower/README.md
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# command-tower
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15
control-tower/bin/control-tower
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control-tower/bin/control-tower
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#!/usr/bin/env node
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'use strict';
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const ControlTower = require('../');
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const tower = new ControlTower();
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tower.start((err) => {
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if (err) {
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console.error(err);
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process.exit(1);
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}
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console.log('Control Tower Started');
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});
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79
control-tower/lib/index.js
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79
control-tower/lib/index.js
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'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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const internals = {};
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module.exports = class {
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constructor (options) {
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options = 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 (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.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(), 1000);
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};
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this._isPolling = true;
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VAsync.forEachParallel({
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func: this._cmon.metrics,
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inputs: this._listContainers()
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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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this._saveMetrics(results, finish);
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});
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}
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_saveMetrics (metrics, cb) {
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cb();
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}
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}
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28
control-tower/package.json
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28
control-tower/package.json
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{
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"name": "control-tower",
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"version": "0.0.0",
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"description": "portal service metrics watcher",
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"main": "lib",
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"bin": {
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"control-tower": "./bin/control-tower"
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},
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"scripts": {
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"lint": "belly-button",
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"rethinkdb-up": "docker run -d -p 8080:8080 -p 28015:28015 -p 29015:29015 --name rethinkdb rethinkdb",
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"rethinkdb-down": "docker rm -f rethinkdb",
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"test": "npm run lint && lab -t 40"
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},
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"keywords": [],
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"author": "wyatt",
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"license": "MPL-2.0",
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"devDependencies": {
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"belly-button": "^3.1.0",
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"code": "^4.0.0",
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"lab": "^13.0.4"
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},
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"dependencies": {
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"cmon-client": "^1.1.0",
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"portal-data": "^1.0.0",
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"vasync": "^1.6.4"
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}
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}
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26
control-tower/test/index.js
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26
control-tower/test/index.js
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'use strict';
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const Code = require('code');
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const Lab = require('lab');
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const ControlTower = require('../');
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// Test shortcuts
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const lab = exports.lab = Lab.script();
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const describe = lab.describe;
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const it = lab.it;
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const expect = Code.expect;
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const internals = {
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options: { data: { test: true, name: 'test' } }
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};
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describe('start()', () => {
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it.skip('starts to listen for service changes and monitors metrics', (done) => {
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const controlTower = new ControlTower(internals.options);
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done();
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});
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});
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